tailbone/tailbone/views/master.py
2018-06-13 21:00:11 -05:00

2913 lines
111 KiB
Python

# -*- coding: utf-8; -*-
################################################################################
#
# Rattail -- Retail Software Framework
# Copyright © 2010-2018 Lance Edgar
#
# This file is part of Rattail.
#
# Rattail is free software: you can redistribute it and/or modify it under the
# terms of the GNU General Public License as published by the Free Software
# Foundation, either version 3 of the License, or (at your option) any later
# version.
#
# Rattail is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along with
# Rattail. If not, see <http://www.gnu.org/licenses/>.
#
################################################################################
"""
Model Master View
"""
from __future__ import unicode_literals, absolute_import
import os
import tempfile
import logging
import six
import sqlalchemy as sa
from sqlalchemy import orm
import sqlalchemy_continuum as continuum
from rattail.db import model, Session as RattailSession
from rattail.db.continuum import model_transaction_query
from rattail.util import prettify
from rattail.time import localtime
from rattail.threads import Thread
from rattail.csvutil import UnicodeDictWriter
from rattail.files import temp_path
from rattail.excel import ExcelWriter
import deform
from pyramid import httpexceptions
from pyramid.renderers import get_renderer, render_to_response, render
from pyramid.response import FileResponse
from webhelpers2.html import HTML, tags
from tailbone import forms, grids, diffs
from tailbone.views import View
from tailbone.progress import SessionProgress
log = logging.getLogger(__name__)
class MasterView(View):
"""
Base "master" view class. All model master views should derive from this.
"""
filterable = True
pageable = True
checkboxes = False
# set to True in order to encode search values as utf-8
use_byte_string_filters = False
listable = True
sortable = True
results_downloadable_csv = False
results_downloadable_xlsx = False
creatable = True
show_create_link = True
viewable = True
editable = True
deletable = True
bulk_deletable = False
populatable = False
mergeable = False
downloadable = False
cloneable = False
executable = False
execute_progress_template = None
execute_progress_initial_msg = None
supports_prev_next = False
supports_mobile = False
mobile_creatable = False
mobile_pageable = True
mobile_filterable = False
mobile_executable = False
listing = False
creating = False
creates_multiple = False
viewing = False
editing = False
deleting = False
executing = False
has_pk_fields = False
row_attrs = {}
cell_attrs = {}
grid_index = None
use_index_links = False
has_versions = False
help_url = None
labels = {'uuid': "UUID"}
# ROW-RELATED ATTRS FOLLOW:
has_rows = False
model_row_class = None
rows_pageable = True
rows_sortable = True
rows_filterable = True
rows_viewable = True
rows_creatable = False
rows_editable = False
rows_deletable = False
rows_deletable_speedbump = False
rows_bulk_deletable = False
rows_default_pagesize = 20
rows_downloadable_csv = False
mobile_rows_creatable = False
mobile_rows_filterable = False
mobile_rows_viewable = False
mobile_rows_editable = False
row_labels = {}
@property
def Session(self):
"""
SQLAlchemy scoped session to use when querying the database. Defaults
to ``tailbone.db.Session``.
"""
from tailbone.db import Session
return Session
@classmethod
def get_grid_factory(cls):
"""
Returns the grid factory or class which is to be used when creating new
grid instances.
"""
return getattr(cls, 'grid_factory', grids.Grid)
@classmethod
def get_row_grid_factory(cls):
"""
Returns the grid factory or class which is to be used when creating new
row grid instances.
"""
return getattr(cls, 'row_grid_factory', grids.Grid)
@classmethod
def get_version_grid_factory(cls):
"""
Returns the grid factory or class which is to be used when creating new
version grid instances.
"""
return getattr(cls, 'version_grid_factory', grids.Grid)
@classmethod
def get_mobile_grid_factory(cls):
"""
Must return a callable to be used when creating new mobile grid
instances. Instead of overriding this, you can set
:attr:`mobile_grid_factory`. Default factory is :class:`MobileGrid`.
"""
return getattr(cls, 'mobile_grid_factory', grids.MobileGrid)
@classmethod
def get_mobile_row_grid_factory(cls):
"""
Must return a callable to be used when creating new mobile row grid
instances. Instead of overriding this, you can set
:attr:`mobile_row_grid_factory`. Default factory is :class:`MobileGrid`.
"""
return getattr(cls, 'mobile_row_grid_factory', grids.MobileGrid)
def set_labels(self, obj):
for key, label in self.labels.items():
obj.set_label(key, label)
def set_row_labels(self, obj):
for key, label in self.row_labels.items():
obj.set_label(key, label)
##############################
# Available Views
##############################
def index(self):
"""
View to list/filter/sort the model data.
If this view receives a non-empty 'partial' parameter in the query
string, then the view will return the rendered grid only. Otherwise
returns the full page.
"""
self.listing = True
grid = self.make_grid()
# If user just refreshed the page with a reset instruction, issue a
# redirect in order to clear out the query string.
if self.request.GET.get('reset-to-default-filters') == 'true':
return self.redirect(self.request.current_route_url(_query=None))
# Stash some grid stats, for possible use when generating URLs.
if grid.pageable and hasattr(grid, 'pager'):
self.first_visible_grid_index = grid.pager.first_item
# Return grid only, if partial page was requested.
if self.request.params.get('partial'):
if six.PY3:
self.request.response.content_type = 'text/html'
else:
self.request.response.content_type = b'text/html'
self.request.response.text = grid.render_grid()
return self.request.response
return self.render_to_response('index', {'grid': grid})
def make_grid(self, factory=None, key=None, data=None, columns=None, **kwargs):
"""
Creates a new grid instance
"""
if factory is None:
factory = self.get_grid_factory()
if key is None:
key = self.get_grid_key()
if data is None:
data = self.get_data(session=kwargs.get('session'))
if columns is None:
columns = self.get_grid_columns()
kwargs.setdefault('request', self.request)
kwargs = self.make_grid_kwargs(**kwargs)
grid = factory(key, data, columns, **kwargs)
self.configure_grid(grid)
grid.load_settings()
return grid
def get_effective_data(self, session=None, **kwargs):
"""
Convenience method which returns the "effective" data for the master
grid, filtered and sorted to match what would show on the UI, but not
paged etc.
"""
if session is None:
session = self.Session()
kwargs.setdefault('pageable', False)
grid = self.make_grid(session=session, **kwargs)
return grid.make_visible_data()
def get_grid_columns(self):
if hasattr(self, 'grid_columns'):
return self.grid_columns
# TODO
raise NotImplementedError
def make_grid_kwargs(self, **kwargs):
"""
Return a dictionary of kwargs to be passed to the factory when creating
new grid instances.
"""
defaults = {
'model_class': getattr(self, 'model_class', None),
'width': 'full',
'filterable': self.filterable,
'use_byte_string_filters': self.use_byte_string_filters,
'sortable': self.sortable,
'pageable': self.pageable,
'extra_row_class': self.grid_extra_class,
'url': lambda obj: self.get_action_url('view', obj),
'checkboxes': self.checkboxes or (
self.mergeable and self.request.has_perm('{}.merge'.format(self.get_permission_prefix()))),
'checked': self.checked,
}
if 'main_actions' not in kwargs and 'more_actions' not in kwargs:
main, more = self.get_grid_actions()
defaults['main_actions'] = main
defaults['more_actions'] = more
defaults.update(kwargs)
return defaults
def configure_grid(self, grid):
self.set_labels(grid)
def grid_extra_class(self, obj, i):
"""
Returns string of extra class(es) for the table row corresponding to
the given object, or ``None``.
"""
def make_row_grid(self, factory=None, key=None, data=None, columns=None, **kwargs):
"""
Make and return a new (configured) rows grid instance.
"""
instance = kwargs.pop('instance', None)
if not instance:
instance = self.get_instance()
if factory is None:
factory = self.get_row_grid_factory()
if key is None:
key = self.get_row_grid_key()
if data is None:
data = self.get_row_data(instance)
if columns is None:
columns = self.get_row_grid_columns()
kwargs.setdefault('request', self.request)
kwargs = self.make_row_grid_kwargs(**kwargs)
grid = factory(key, data, columns, **kwargs)
self.configure_row_grid(grid)
grid.load_settings()
return grid
def get_row_grid_columns(self):
if hasattr(self, 'row_grid_columns'):
return self.row_grid_columns
# TODO
raise NotImplementedError
def make_row_grid_kwargs(self, **kwargs):
"""
Return a dict of kwargs to be used when constructing a new rows grid.
"""
permission_prefix = self.get_permission_prefix()
defaults = {
'model_class': self.model_row_class,
'width': 'full',
'filterable': self.rows_filterable,
'sortable': self.rows_sortable,
'pageable': self.rows_pageable,
'default_pagesize': self.rows_default_pagesize,
'extra_row_class': self.row_grid_extra_class,
'url': lambda obj: self.get_row_action_url('view', obj),
}
if self.has_rows and 'main_actions' not in defaults:
actions = []
# view action
if self.rows_viewable:
view = lambda r, i: self.get_row_action_url('view', r)
actions.append(grids.GridAction('view', icon='zoomin', url=view))
# edit action
if self.rows_editable:
actions.append(grids.GridAction('edit', icon='pencil', url=self.row_edit_action_url))
# delete action
if self.rows_deletable and self.request.has_perm('{}.delete_row'.format(permission_prefix)):
actions.append(grids.GridAction('delete', icon='trash', url=self.row_delete_action_url))
defaults['delete_speedbump'] = self.rows_deletable_speedbump
defaults['main_actions'] = actions
defaults.update(kwargs)
return defaults
def configure_row_grid(self, grid):
# super(MasterView, self).configure_row_grid(grid)
self.set_row_labels(grid)
def row_grid_extra_class(self, obj, i):
"""
Returns string of extra class(es) for the table row corresponding to
the given row object, or ``None``.
"""
def make_version_grid(self, factory=None, key=None, data=None, columns=None, **kwargs):
"""
Creates a new version grid instance
"""
instance = kwargs.pop('instance', None)
if not instance:
instance = self.get_instance()
if factory is None:
factory = self.get_version_grid_factory()
if key is None:
key = self.get_version_grid_key()
if data is None:
data = self.get_version_data(instance)
if columns is None:
columns = self.get_version_grid_columns()
kwargs.setdefault('request', self.request)
kwargs = self.make_version_grid_kwargs(**kwargs)
grid = factory(key, data, columns, **kwargs)
self.configure_version_grid(grid)
grid.load_settings()
return grid
def get_version_grid_columns(self):
if hasattr(self, 'version_grid_columns'):
return self.version_grid_columns
# TODO
return [
'issued_at',
'user',
'remote_addr',
'comment',
]
def make_version_grid_kwargs(self, **kwargs):
"""
Return a dictionary of kwargs to be passed to the factory when
constructing a new version grid.
"""
defaults = {
'model_class': continuum.transaction_class(self.get_model_class()),
'width': 'full',
'pageable': True,
}
if 'main_actions' not in kwargs:
route = '{}.version'.format(self.get_route_prefix())
instance = kwargs.get('instance') or self.get_instance()
url = lambda txn, i: self.request.route_url(route, uuid=instance.uuid, txnid=txn.id)
defaults['main_actions'] = [
self.make_action('view', icon='zoomin', url=url),
]
defaults.update(kwargs)
return defaults
def configure_version_grid(self, g):
g.set_sort_defaults('issued_at', 'desc')
g.set_renderer('comment', self.render_version_comment)
g.set_label('issued_at', "Changed")
g.set_label('user', "Changed by")
g.set_label('remote_addr', "IP Address")
# TODO: why does this render '#' as url?
# g.set_link('issued_at')
def render_version_comment(self, transaction, column):
return transaction.meta.get('comment', "")
def mobile_index(self):
"""
Mobile "home" page for the data model
"""
self.listing = True
grid = self.make_mobile_grid()
return self.render_to_response('index', {'grid': grid}, mobile=True)
@classmethod
def get_mobile_grid_key(cls):
"""
Must return a unique "config key" for the mobile grid, for sort/filter
purposes etc. (It need only be unique among *mobile* grids.) Instead
of overriding this, you can set :attr:`mobile_grid_key`. Default is
the value returned by :meth:`get_route_prefix()`.
"""
if hasattr(cls, 'mobile_grid_key'):
return cls.mobile_grid_key
return 'mobile.{}'.format(cls.get_route_prefix())
def make_mobile_grid(self, factory=None, key=None, data=None, columns=None, **kwargs):
"""
Creates a new mobile grid instance
"""
if factory is None:
factory = self.get_mobile_grid_factory()
if key is None:
key = self.get_mobile_grid_key()
if data is None:
data = self.get_mobile_data(session=kwargs.get('session'))
if columns is None:
columns = self.get_mobile_grid_columns()
kwargs.setdefault('request', self.request)
kwargs.setdefault('mobile', True)
kwargs = self.make_mobile_grid_kwargs(**kwargs)
grid = factory(key, data, columns, **kwargs)
self.configure_mobile_grid(grid)
grid.load_settings()
return grid
def get_mobile_grid_columns(self):
if hasattr(self, 'mobile_grid_columns'):
return self.mobile_grid_columns
# TODO
return ['listitem']
def get_mobile_data(self, session=None):
"""
Must return the "raw" / full data set for the mobile grid. This data
should *not* yet be sorted or filtered in any way; that happens later.
Default is the value returned by :meth:`get_data()`, in which case all
records visible in the traditional view, are visible in mobile too.
"""
return self.get_data(session=session)
def make_mobile_grid_kwargs(self, **kwargs):
"""
Must return a dictionary of kwargs to be passed to the factory when
creating new mobile grid instances.
"""
defaults = {
'model_class': getattr(self, 'model_class', None),
'pageable': self.mobile_pageable,
'sortable': False,
'filterable': self.mobile_filterable,
'renderers': self.make_mobile_grid_renderers(),
'url': lambda obj: self.get_action_url('view', obj, mobile=True),
}
# TODO: this seems wrong..
if self.mobile_filterable:
defaults['filters'] = self.make_mobile_filters()
defaults.update(kwargs)
return defaults
def make_mobile_grid_renderers(self):
return {
'listitem': self.render_mobile_listitem,
}
def render_mobile_listitem(self, obj, i):
return obj
def configure_mobile_grid(self, grid):
pass
def make_mobile_row_grid(self, factory=None, key=None, data=None, columns=None, **kwargs):
"""
Make a new (configured) rows grid instance for mobile.
"""
instance = kwargs.pop('instance', self.get_instance())
if factory is None:
factory = self.get_mobile_row_grid_factory()
if key is None:
key = 'mobile.{}.{}'.format(self.get_grid_key(), self.request.matchdict[self.get_model_key()])
if data is None:
data = self.get_mobile_row_data(instance)
if columns is None:
columns = self.get_mobile_row_grid_columns()
kwargs.setdefault('request', self.request)
kwargs.setdefault('mobile', True)
kwargs = self.make_mobile_row_grid_kwargs(**kwargs)
grid = factory(key, data, columns, **kwargs)
self.configure_mobile_row_grid(grid)
grid.load_settings()
return grid
def get_mobile_row_grid_columns(self):
if hasattr(self, 'mobile_row_grid_columns'):
return self.mobile_row_grid_columns
# TODO
return ['listitem']
def make_mobile_row_grid_kwargs(self, **kwargs):
"""
Must return a dictionary of kwargs to be passed to the factory when
creating new mobile *row* grid instances.
"""
defaults = {
'model_class': self.model_row_class,
# TODO
'pageable': self.pageable,
'sortable': False,
'filterable': self.mobile_rows_filterable,
'renderers': self.make_mobile_row_grid_renderers(),
'url': lambda obj: self.get_row_action_url('view', obj, mobile=True),
}
# TODO: this seems wrong..
if self.mobile_rows_filterable:
defaults['filters'] = self.make_mobile_row_filters()
defaults.update(kwargs)
return defaults
def make_mobile_row_grid_renderers(self):
return {
'listitem': self.render_mobile_row_listitem,
}
def configure_mobile_row_grid(self, grid):
pass
def make_mobile_filters(self):
"""
Returns a set of filters for the mobile grid, if applicable.
"""
def make_mobile_row_filters(self):
"""
Returns a set of filters for the mobile row grid, if applicable.
"""
def render_mobile_row_listitem(self, obj, i):
return obj
def create(self, form=None):
"""
View for creating a new model record.
"""
self.creating = True
if form is None:
form = self.make_form(self.get_model_class())
if self.request.method == 'POST':
if self.validate_form(form):
# let save_create_form() return alternate object if necessary
obj = self.save_create_form(form)
self.after_create(obj)
self.flash_after_create(obj)
return self.redirect_after_create(obj)
context = {'form': form}
if hasattr(form, 'make_deform_form'):
context['dform'] = form.make_deform_form()
return self.render_to_response('create', context)
def mobile_create(self):
"""
Mobile view for creating a new primary object
"""
self.creating = True
form = self.make_mobile_form(self.get_model_class())
if self.request.method == 'POST':
if self.validate_mobile_form(form):
# let save_create_form() return alternate object if necessary
obj = self.save_mobile_create_form(form)
self.after_create(obj)
self.flash_after_create(obj)
return self.redirect_after_create(obj, mobile=True)
return self.render_to_response('create', {'form': form}, mobile=True)
def save_create_form(self, form):
uploads = self.normalize_uploads(form)
self.before_create(form)
with self.Session().no_autoflush:
obj = self.objectify(form, self.form_deserialized)
self.before_create_flush(obj, form)
self.Session.add(obj)
self.Session.flush()
self.process_uploads(obj, form, uploads)
return obj
def normalize_uploads(self, form, skip=None):
uploads = {}
for node in form.schema:
if isinstance(node.typ, deform.FileData):
if skip and node.name in skip:
continue
filedict = self.form_deserialized.get(node.name)
if filedict:
tempdir = tempfile.mkdtemp()
filepath = os.path.join(tempdir, filedict['filename'])
tmpinfo = form.deform_form[node.name].widget.tmpstore.get(filedict['uid'])
tmpdata = tmpinfo['fp'].read()
with open(filepath, 'wb') as f:
f.write(tmpdata)
uploads[node.name] = {
'tempdir': tempdir,
'temp_path': filepath,
}
return uploads
def process_uploads(self, obj, form, uploads):
pass
def before_create_flush(self, obj, form):
pass
def flash_after_create(self, obj):
self.request.session.flash("{} has been created: {}".format(
self.get_model_title(), self.get_instance_title(obj)))
def save_mobile_create_form(self, form):
self.before_create(form)
with self.Session.no_autoflush:
obj = self.objectify(form, self.form_deserialized)
self.before_create_flush(obj, form)
self.Session.add(obj)
self.Session.flush()
return obj
def redirect_after_create(self, instance, mobile=False):
if self.populatable and self.should_populate(instance):
return self.redirect(self.get_action_url('populate', instance, mobile=mobile))
return self.redirect(self.get_action_url('view', instance, mobile=mobile))
def should_populate(self, obj):
return True
def populate(self):
"""
View for populating a new object. What exactly this means / does will
depend on the logic in :meth:`populate_object()`.
"""
obj = self.get_instance()
route_prefix = self.get_route_prefix()
permission_prefix = self.get_permission_prefix()
# showing progress requires a separate thread; start that first
key = '{}.populate'.format(route_prefix)
progress = SessionProgress(self.request, key)
thread = Thread(target=self.populate_thread, args=(obj.uuid, progress)) # TODO: uuid?
thread.start()
# Send user to progress page.
kwargs = {
'cancel_url': self.get_action_url('view', obj),
'cancel_msg': "{} population was canceled.".format(self.get_model_title()),
}
return self.render_progress(progress, kwargs)
def populate_thread(self, uuid, progress): # TODO: uuid?
"""
Thread target for populating new object with progress indicator.
"""
# mustn't use tailbone web session here
session = RattailSession()
obj = session.query(self.model_class).get(uuid)
try:
self.populate_object(session, obj, progress=progress)
except Exception as error:
session.rollback()
msg = "{} population failed".format(self.get_model_title())
log.warning("{}: {}".format(msg, obj), exc_info=True)
session.close()
if progress:
progress.session.load()
progress.session['error'] = True
progress.session['error_msg'] = "{}: {} {}".format(msg, error.__class__.__name__, error)
progress.session.save()
return
session.commit()
session.refresh(obj)
session.close()
# finalize progress
if progress:
progress.session.load()
progress.session['complete'] = True
progress.session['success_url'] = self.get_action_url('view', obj)
progress.session.save()
def populate_object(self, session, obj, progress=None):
"""
You must define this if new objects require population.
"""
raise NotImplementedError
def view(self, instance=None):
"""
View for viewing details of an existing model record.
"""
self.viewing = True
if instance is None:
instance = self.get_instance()
form = self.make_form(instance)
if self.has_rows:
# must make grid prior to redirecting from filter reset, b/c the
# grid will detect the filter reset request and store defaults in
# the session, that way redirect will then show The Right Thing
grid = self.make_row_grid(instance=instance)
# If user just refreshed the page with a reset instruction, issue a
# redirect in order to clear out the query string.
if self.request.GET.get('reset-to-default-filters') == 'true':
return self.redirect(self.request.current_route_url(_query=None))
if self.request.params.get('partial'):
if six.PY3:
self.request.response.content_type = 'text/html'
else:
self.request.response.content_type = b'text/html'
self.request.response.text = grid.render_grid()
return self.request.response
context = {
'instance': instance,
'instance_title': self.get_instance_title(instance),
'instance_editable': self.editable_instance(instance),
'instance_deletable': self.deletable_instance(instance),
'form': form,
}
if hasattr(form, 'make_deform_form'):
context['dform'] = form.make_deform_form()
if self.has_rows:
context['rows_grid'] = grid.render_complete(allow_save_defaults=False,
tools=self.make_row_grid_tools(instance))
return self.render_to_response('view', context)
def clone(self):
"""
View for cloning an object's data into a new object.
"""
self.viewing = True
instance = self.get_instance()
form = self.make_form(instance)
self.configure_clone_form(form)
if self.request.method == 'POST' and self.request.POST.get('clone') == 'clone':
cloned = self.clone_instance(instance)
return self.redirect(self.get_action_url('view', cloned))
return self.render_to_response('clone', {
'instance': instance,
'instance_title': self.get_instance_title(instance),
'instance_url': self.get_action_url('view', instance),
'form': form,
})
def configure_clone_form(self, form):
pass
def clone_instance(self, instance):
raise NotImplementedError
def versions(self):
"""
View to list version history for an object.
"""
instance = self.get_instance()
instance_title = self.get_instance_title(instance)
grid = self.make_version_grid(instance=instance)
# return grid only, if partial page was requested
if self.request.params.get('partial'):
self.request.response.content_type = b'text/html'
self.request.response.text = grid.render_grid()
return self.request.response
return self.render_to_response('versions', {
'instance': instance,
'instance_title': instance_title,
'instance_url': self.get_action_url('view', instance),
'grid': grid,
})
@classmethod
def get_version_grid_key(cls):
"""
Returns the unique key to be used for the version grid, for caching
sort/filter options etc.
"""
if hasattr(cls, 'version_grid_key'):
return cls.version_grid_key
return '{}.history'.format(cls.get_route_prefix())
def get_version_data(self, instance):
"""
Generate the base data set for the version grid.
"""
model_class = self.get_model_class()
transaction_class = continuum.transaction_class(model_class)
query = model_transaction_query(self.Session(), instance, model_class,
child_classes=self.normalize_version_child_classes())
return query.order_by(transaction_class.issued_at.desc())
def get_version_child_classes(self):
"""
If applicable, should return a list of child classes which should be
considered when querying for version history of an object.
"""
return []
def normalize_version_child_classes(self):
classes = []
for cls in self.get_version_child_classes():
if not isinstance(cls, tuple):
cls = (cls, 'uuid', 'uuid')
elif len(cls) == 2:
cls = tuple([cls[0], cls[1], 'uuid'])
classes.append(cls)
return classes
def view_version(self):
"""
View showing diff details of a particular object version.
"""
instance = self.get_instance()
model_class = self.get_model_class()
Transaction = continuum.transaction_class(model_class)
transactions = model_transaction_query(self.Session(), instance, model_class,
child_classes=self.normalize_version_child_classes())
transaction_id = self.request.matchdict['txnid']
transaction = transactions.filter(Transaction.id == transaction_id).first()
if not transaction:
return self.notfound()
older = transactions.filter(Transaction.issued_at <= transaction.issued_at)\
.filter(Transaction.id != transaction_id)\
.order_by(Transaction.issued_at.desc())\
.first()
newer = transactions.filter(Transaction.issued_at >= transaction.issued_at)\
.filter(Transaction.id != transaction_id)\
.order_by(Transaction.issued_at)\
.first()
instance_title = self.get_instance_title(instance)
return self.render_to_response('view_version', {
'instance': instance,
'instance_title': "{} (history)".format(instance_title),
'instance_title_normal': instance_title,
'instance_url': self.get_action_url('versions', instance),
'transaction': transaction,
'changed': localtime(self.rattail_config, transaction.issued_at, from_utc=True),
'versions': self.get_relevant_versions(transaction, instance),
'previous_transaction': older,
'next_transaction': newer,
'title_for_version': self.title_for_version,
'fields_for_version': self.fields_for_version,
'continuum': continuum,
})
def title_for_version(self, version):
cls = continuum.parent_class(version.__class__)
return cls.get_model_title()
def fields_for_version(self, version):
mapper = orm.class_mapper(version.__class__)
fields = sorted(mapper.columns.keys())
fields.remove('transaction_id')
fields.remove('end_transaction_id')
fields.remove('operation_type')
return fields
def get_relevant_versions(self, transaction, instance):
versions = []
version_cls = self.get_model_version_class()
query = self.Session.query(version_cls)\
.filter(version_cls.transaction == transaction)\
.filter(version_cls.uuid == instance.uuid)
versions.extend(query.all())
for cls, foreign_attr, primary_attr in self.normalize_version_child_classes():
version_cls = continuum.version_class(cls)
query = self.Session.query(version_cls)\
.filter(version_cls.transaction == transaction)\
.filter(getattr(version_cls, foreign_attr) == getattr(instance, primary_attr))
versions.extend(query.all())
return versions
def mobile_view(self):
"""
Mobile view for displaying a single object's details
"""
self.viewing = True
instance = self.get_instance()
form = self.make_mobile_form(instance)
context = {
'instance': instance,
'instance_title': self.get_instance_title(instance),
# 'instance_editable': self.editable_instance(instance),
# 'instance_deletable': self.deletable_instance(instance),
'form': form,
}
if self.has_rows:
context['model_row_class'] = self.model_row_class
context['grid'] = self.make_mobile_row_grid(instance=instance)
return self.render_to_response('view', context, mobile=True)
def make_mobile_form(self, instance=None, factory=None, fields=None, schema=None, **kwargs):
"""
Creates a new mobile form for the given model class/instance.
"""
if factory is None:
factory = self.get_mobile_form_factory()
if fields is None:
fields = self.get_mobile_form_fields()
if schema is None:
schema = self.make_mobile_form_schema()
if not self.creating:
kwargs['model_instance'] = instance
kwargs = self.make_mobile_form_kwargs(**kwargs)
form = factory(fields, schema, **kwargs)
self.configure_mobile_form(form)
return form
def get_mobile_form_fields(self):
if hasattr(self, 'mobile_form_fields'):
return self.mobile_form_fields
# TODO
# raise NotImplementedError
def make_mobile_form_schema(self):
if not self.model_class:
# TODO
raise NotImplementedError
def make_mobile_form_kwargs(self, **kwargs):
"""
Return a dictionary of kwargs to be passed to the factory when creating
new mobile forms.
"""
defaults = {
'request': self.request,
'readonly': self.viewing,
'model_class': getattr(self, 'model_class', None),
'action_url': self.request.current_route_url(_query=None),
}
if self.creating:
defaults['cancel_url'] = self.get_index_url(mobile=True)
else:
instance = kwargs['model_instance']
defaults['cancel_url'] = self.get_action_url('view', instance, mobile=True)
defaults.update(kwargs)
return defaults
def configure_mobile_form(self, form):
"""
Configure the primary mobile form.
"""
# TODO: is any of this stuff from configure_form() needed?
# if self.editing:
# model_class = self.get_model_class(error=False)
# if model_class:
# mapper = orm.class_mapper(model_class)
# for key in mapper.primary_key:
# for field in form.fields:
# if field == key.name:
# form.set_readonly(field)
# break
# form.remove_field('uuid')
self.set_labels(form)
def validate_mobile_form(self, form):
controls = self.request.POST.items()
try:
self.form_deserialized = form.validate(controls)
except deform.ValidationFailure:
return False
return True
def make_mobile_row_form(self, instance=None, factory=None, fields=None, schema=None, **kwargs):
"""
Creates a new mobile form for the given model class/instance.
"""
if factory is None:
factory = self.get_mobile_row_form_factory()
if fields is None:
fields = self.get_mobile_row_form_fields()
if schema is None:
schema = self.make_mobile_row_form_schema()
if not self.creating:
kwargs['model_instance'] = instance
kwargs = self.make_mobile_row_form_kwargs(**kwargs)
form = factory(fields, schema, **kwargs)
self.configure_mobile_row_form(form)
return form
def get_mobile_row_form_fields(self):
if hasattr(self, 'mobile_row_form_fields'):
return self.mobile_row_form_fields
# TODO
# raise NotImplementedError
def make_mobile_row_form_schema(self):
if not self.model_row_class:
# TODO
raise NotImplementedError
def make_mobile_row_form_kwargs(self, **kwargs):
"""
Return a dictionary of kwargs to be passed to the factory when creating
new mobile row forms.
"""
defaults = {
'request': self.request,
'mobile': True,
'readonly': self.viewing,
'model_class': getattr(self, 'model_row_class', None),
'action_url': self.request.current_route_url(_query=None),
}
if self.creating:
defaults['cancel_url'] = self.request.get_referrer()
else:
instance = kwargs['model_instance']
defaults['cancel_url'] = self.get_row_action_url('view', instance, mobile=True)
defaults.update(kwargs)
return defaults
def configure_mobile_row_form(self, form):
"""
Configure the mobile row form.
"""
# TODO: is any of this stuff from configure_form() needed?
# if self.editing:
# model_class = self.get_model_class(error=False)
# if model_class:
# mapper = orm.class_mapper(model_class)
# for key in mapper.primary_key:
# for field in form.fields:
# if field == key.name:
# form.set_readonly(field)
# break
# form.remove_field('uuid')
self.set_row_labels(form)
def validate_mobile_row_form(self, form):
controls = self.request.POST.items()
try:
self.form_deserialized = form.validate(controls)
except deform.ValidationFailure:
return False
return True
def get_mobile_row_data(self, parent):
return self.get_row_data(parent)
def mobile_row_route_url(self, route_name, **kwargs):
route_name = 'mobile.{}.{}_row'.format(self.get_route_prefix(), route_name)
return self.request.route_url(route_name, **kwargs)
def mobile_view_row(self):
"""
Mobile view for row items
"""
self.viewing = True
row = self.get_row_instance()
parent = self.get_parent(row)
form = self.make_mobile_row_form(row)
context = {
'row': row,
'parent_instance': parent,
'parent_title': self.get_instance_title(parent),
'parent_url': self.get_action_url('view', parent, mobile=True),
'instance': row,
'instance_title': self.get_row_instance_title(row),
'instance_editable': self.row_editable(row),
'parent_model_title': self.get_model_title(),
'form': form,
}
return self.render_to_response('view_row', context, mobile=True)
def make_default_row_grid_tools(self, obj):
if self.rows_creatable:
link = tags.link_to("Create a new {}".format(self.get_row_model_title()),
self.get_action_url('create_row', obj))
return HTML.tag('p', c=link)
def make_row_grid_tools(self, obj):
return self.make_default_row_grid_tools(obj)
# TODO: depracate / remove this
def get_effective_row_query(self):
"""
Convenience method which returns the "effective" query for the master
grid, filtered and sorted to match what would show on the UI, but not
paged etc.
"""
return self.get_effective_row_data(sort=False)
def get_row_data(self, instance):
"""
Generate the base data set for a rows grid.
"""
raise NotImplementedError
def get_effective_row_data(self, session=None, sort=False, **kwargs):
"""
Convenience method which returns the "effective" data for the row grid,
filtered (and optionally sorted) to match what would show on the UI,
but not paged.
"""
if session is None:
session = self.Session()
kwargs.setdefault('pageable', False)
kwargs.setdefault('sortable', sort)
grid = self.make_row_grid(session=session, **kwargs)
return grid.make_visible_data()
@classmethod
def get_row_url_prefix(cls):
"""
Returns a prefix which (by default) applies to all URLs provided by the
master view class, for "row" views, e.g. '/products/rows'.
"""
return getattr(cls, 'row_url_prefix', '{}/rows'.format(cls.get_url_prefix()))
@classmethod
def get_row_permission_prefix(cls):
"""
Permission prefix specific to the row-level data for this batch type,
e.g. ``'vendorcatalogs.rows'``.
"""
return "{}.rows".format(cls.get_permission_prefix())
def row_editable(self, row):
"""
Returns boolean indicating whether or not the given row can be
considered "editable". Returns ``True`` by default; override as
necessary.
"""
return True
def row_edit_action_url(self, row, i):
if self.row_editable(row):
return self.get_row_action_url('edit', row)
def row_deletable(self, row):
"""
Returns boolean indicating whether or not the given row can be
considered "deletable". Returns ``True`` by default; override as
necessary.
"""
return True
def row_delete_action_url(self, row, i):
if self.row_deletable(row):
return self.get_row_action_url('delete', row)
def row_grid_row_attrs(self, row, i):
return {}
@classmethod
def get_row_model_title(cls):
if hasattr(cls, 'row_model_title'):
return cls.row_model_title
return "{} Row".format(cls.get_model_title())
@classmethod
def get_row_model_title_plural(cls):
return "{} Rows".format(cls.get_model_title())
def view_index(self):
"""
View a record according to its grid index.
"""
try:
index = int(self.request.GET['index'])
except (KeyError, ValueError):
return self.redirect(self.get_index_url())
if index < 1:
return self.redirect(self.get_index_url())
data = self.get_effective_data()
try:
instance = data[index-1]
except IndexError:
return self.redirect(self.get_index_url())
self.grid_index = index
if hasattr(data, 'count'):
self.grid_count = data.count()
else:
self.grid_count = len(data)
return self.view(instance)
def download(self):
"""
View for downloading a data file.
"""
obj = self.get_instance()
filename = self.request.GET.get('filename', None)
if not filename:
raise self.notfound()
path = self.download_path(obj, filename)
response = FileResponse(path, request=self.request)
response.content_length = os.path.getsize(path)
content_type = self.download_content_type(path, filename)
if content_type:
if six.PY3:
response.content_type = content_type
else:
response.content_type = six.binary_type(content_type)
if six.PY3:
filename = os.path.basename(path)
response.content_disposition = 'attachment; filename={}'.format(filename)
else:
filename = os.path.basename(path).encode('ascii', 'replace')
response.content_disposition = b'attachment; filename={}'.format(filename)
return response
def download_content_type(self, path, filename):
"""
Return a content type for a file download, if known.
"""
def edit(self):
"""
View for editing an existing model record.
"""
self.editing = True
instance = self.get_instance()
instance_title = self.get_instance_title(instance)
if not self.editable_instance(instance):
self.request.session.flash("Edit is not permitted for {}: {}".format(
self.get_model_title(), instance_title), 'error')
return self.redirect(self.get_action_url('view', instance))
form = self.make_form(instance)
if self.request.method == 'POST':
if self.validate_form(form):
self.save_edit_form(form)
# note we must fetch new instance title, in case it changed
self.request.session.flash("{} has been updated: {}".format(
self.get_model_title(), self.get_instance_title(instance)))
return self.redirect_after_edit(instance)
context = {
'instance': instance,
'instance_title': instance_title,
'instance_deletable': self.deletable_instance(instance),
'form': form,
}
if hasattr(form, 'make_deform_form'):
context['dform'] = form.make_deform_form()
return self.render_to_response('edit', context)
def save_edit_form(self, form):
obj = self.objectify(form, self.form_deserialized)
self.after_edit(obj)
self.Session.flush()
def redirect_after_edit(self, instance):
return self.redirect(self.get_action_url('view', instance))
def delete(self):
"""
View for deleting an existing model record.
"""
if not self.deletable:
raise httpexceptions.HTTPForbidden()
self.deleting = True
instance = self.get_instance()
instance_title = self.get_instance_title(instance)
if not self.deletable_instance(instance):
self.request.session.flash("Deletion is not permitted for {}: {}".format(
self.get_model_title(), instance_title), 'error')
return self.redirect(self.get_action_url('view', instance))
form = self.make_form(instance)
# TODO: Add better validation, ideally CSRF etc.
if self.request.method == 'POST':
# Let derived classes prep for (or cancel) deletion.
result = self.before_delete(instance)
if isinstance(result, httpexceptions.HTTPException):
return result
self.delete_instance(instance)
self.request.session.flash("{} has been deleted: {}".format(
self.get_model_title(), instance_title))
return self.redirect(self.get_after_delete_url(instance))
form.readonly = True
return self.render_to_response('delete', {
'instance': instance,
'instance_title': instance_title,
'form': form})
def bulk_delete(self):
"""
Delete all records matching the current grid query
"""
if self.request.method == 'POST':
objects = self.get_effective_data()
key = '{}.bulk_delete'.format(self.model_class.__tablename__)
progress = SessionProgress(self.request, key)
thread = Thread(target=self.bulk_delete_thread, args=(objects, progress))
thread.start()
return self.render_progress(progress, {
'cancel_url': self.get_index_url(),
'cancel_msg': "Bulk deletion was canceled",
})
else:
self.request.session.flash("Sorry, you must POST to do a bulk delete operation")
return self.redirect(self.get_index_url())
def bulk_delete_objects(self, session, objects, progress=None):
def delete(obj, i):
session.delete(obj)
if i % 1000 == 0:
session.flush()
self.progress_loop(delete, objects, progress,
message="Deleting objects")
def get_bulk_delete_session(self):
return RattailSession()
def bulk_delete_thread(self, objects, progress):
"""
Thread target for bulk-deleting current results, with progress.
"""
session = self.get_bulk_delete_session()
objects = objects.with_session(session).all()
try:
self.bulk_delete_objects(session, objects, progress=progress)
# If anything goes wrong, rollback and log the error etc.
except Exception as error:
session.rollback()
log.exception("execution failed for batch results")
session.close()
if progress:
progress.session.load()
progress.session['error'] = True
progress.session['error_msg'] = "Bulk deletion failed: {}: {}".format(type(error).__name__, error)
progress.session.save()
# If no error, check result flag (false means user canceled).
else:
session.commit()
session.close()
if progress:
progress.session.load()
progress.session['complete'] = True
progress.session['success_url'] = self.get_index_url()
progress.session.save()
def execute(self):
"""
Execute an object.
"""
obj = self.get_instance()
model_title = self.get_model_title()
if self.request.method == 'POST':
progress = self.make_execute_progress(obj)
kwargs = {'progress': progress}
thread = Thread(target=self.execute_thread, args=(obj.uuid, self.request.user.uuid), kwargs=kwargs)
thread.start()
return self.render_progress(progress, {
'instance': obj,
'initial_msg': self.execute_progress_initial_msg,
'cancel_url': self.get_action_url('view', obj),
'cancel_msg': "{} execution was canceled".format(model_title),
}, template=self.execute_progress_template)
self.request.session.flash("Sorry, you must POST to execute a {}.".format(model_title), 'error')
return self.redirect(self.get_action_url('view', obj))
def make_execute_progress(self, obj):
key = '{}.execute'.format(self.get_grid_key())
return SessionProgress(self.request, key)
def execute_thread(self, uuid, user_uuid, progress=None, **kwargs):
"""
Thread target for executing an object.
"""
session = RattailSession()
obj = session.query(self.model_class).get(uuid)
user = session.query(model.User).get(user_uuid)
try:
self.execute_instance(obj, user, progress=progress, **kwargs)
# If anything goes wrong, rollback and log the error etc.
except Exception as error:
session.rollback()
log.exception("{} failed to execute: {}".format(self.get_model_title(), obj))
session.close()
if progress:
progress.session.load()
progress.session['error'] = True
progress.session['error_msg'] = self.execute_error_message(error)
progress.session.save()
# If no error, check result flag (false means user canceled).
else:
session.commit()
session.refresh(obj)
success_url = self.get_execute_success_url(obj)
session.close()
if progress:
progress.session.load()
progress.session['complete'] = True
progress.session['success_url'] = success_url
progress.session.save()
def execute_error_message(self, error):
return "Execution of {} failed: {}: {}".format(self.get_model_title(),
type(error).__name__, error)
def get_execute_success_url(self, obj, **kwargs):
return self.get_action_url('view', obj, **kwargs)
def get_merge_fields(self):
if hasattr(self, 'merge_fields'):
return self.merge_fields
mapper = orm.class_mapper(self.get_model_class())
return mapper.columns.keys()
def get_merge_coalesce_fields(self):
if hasattr(self, 'merge_coalesce_fields'):
return self.merge_coalesce_fields
return []
def get_merge_additive_fields(self):
if hasattr(self, 'merge_additive_fields'):
return self.merge_additive_fields
return []
def merge(self):
"""
Preview and execute a merge of two records.
"""
object_to_remove = object_to_keep = None
if self.request.method == 'POST':
uuids = self.request.POST.get('uuids', '').split(',')
if len(uuids) == 2:
object_to_remove = self.Session.query(self.get_model_class()).get(uuids[0])
object_to_keep = self.Session.query(self.get_model_class()).get(uuids[1])
if object_to_remove and object_to_keep and self.request.POST.get('commit-merge') == 'yes':
msg = six.text_type(object_to_remove)
try:
self.validate_merge(object_to_remove, object_to_keep)
except Exception as error:
self.request.session.flash("Requested merge cannot proceed (maybe swap kept/removed and try again?): {}".format(error), 'error')
else:
self.merge_objects(object_to_remove, object_to_keep)
self.request.session.flash("{} has been merged into {}".format(msg, object_to_keep))
return self.redirect(self.get_action_url('view', object_to_keep))
if not object_to_remove or not object_to_keep or object_to_remove is object_to_keep:
return self.redirect(self.get_index_url())
remove = self.get_merge_data(object_to_remove)
keep = self.get_merge_data(object_to_keep)
return self.render_to_response('merge', {'object_to_remove': object_to_remove,
'object_to_keep': object_to_keep,
'view_url': lambda obj: self.get_action_url('view', obj),
'merge_fields': self.get_merge_fields(),
'remove_data': remove,
'keep_data': keep,
'resulting_data': self.get_merge_resulting_data(remove, keep)})
def validate_merge(self, removing, keeping):
"""
If applicable, your view should override this in order to confirm that
the requested merge is valid, in your context. If it is not - for *any
reason* - you should raise an exception; the type does not matter.
"""
def get_merge_data(self, obj):
raise NotImplementedError("please implement `{}.get_merge_data()`".format(self.__class__.__name__))
def get_merge_resulting_data(self, remove, keep):
result = dict(keep)
for field in self.get_merge_coalesce_fields():
if remove[field] and not keep[field]:
result[field] = remove[field]
for field in self.get_merge_additive_fields():
if isinstance(keep[field], (list, tuple)):
result[field] = sorted(set(remove[field] + keep[field]))
else:
result[field] = remove[field] + keep[field]
return result
def merge_objects(self, removing, keeping):
"""
Merge the two given objects. You should probably override this;
default behavior is merely to delete the 'removing' object.
"""
self.Session.delete(removing)
##############################
# Core Stuff
##############################
@classmethod
def get_model_class(cls, error=True):
"""
Returns the data model class for which the master view exists.
"""
if not hasattr(cls, 'model_class') and error:
raise NotImplementedError("You must define the `model_class` for: {}".format(cls))
return getattr(cls, 'model_class', None)
@classmethod
def get_model_version_class(cls):
"""
Returns the version class for the master model class.
"""
return continuum.version_class(cls.get_model_class())
@classmethod
def get_normalized_model_name(cls):
"""
Returns the "normalized" name for the view's model class. This will be
the value of the :attr:`normalized_model_name` attribute if defined;
otherwise it will be a simple lower-cased version of the associated
model class name.
"""
if hasattr(cls, 'normalized_model_name'):
return cls.normalized_model_name
return cls.get_model_class().__name__.lower()
@classmethod
def get_model_key(cls):
"""
Return a string name for the primary key of the model class.
"""
if hasattr(cls, 'model_key'):
return cls.model_key
mapper = orm.class_mapper(cls.get_model_class())
return ','.join([k.key for k in mapper.primary_key])
@classmethod
def get_model_title(cls):
"""
Return a "humanized" version of the model name, for display in templates.
"""
if hasattr(cls, 'model_title'):
return cls.model_title
return cls.get_model_class().get_model_title()
@classmethod
def get_model_title_plural(cls):
"""
Return a "humanized" (and plural) version of the model name, for
display in templates.
"""
if hasattr(cls, 'model_title_plural'):
return cls.model_title_plural
try:
return cls.get_model_class().get_model_title_plural()
except (NotImplementedError, AttributeError):
return '{}s'.format(cls.get_model_title())
@classmethod
def get_route_prefix(cls):
"""
Returns a prefix which (by default) applies to all routes provided by
the master view class. This is the plural, lower-cased name of the
model class by default, e.g. 'products'.
"""
model_name = cls.get_normalized_model_name()
return getattr(cls, 'route_prefix', '{0}s'.format(model_name))
@classmethod
def get_url_prefix(cls):
"""
Returns a prefix which (by default) applies to all URLs provided by the
master view class. By default this is the route prefix, preceded by a
slash, e.g. '/products'.
"""
return getattr(cls, 'url_prefix', '/{0}'.format(cls.get_route_prefix()))
@classmethod
def get_template_prefix(cls):
"""
Returns a prefix which (by default) applies to all templates required by
the master view class. This uses the URL prefix by default.
"""
return getattr(cls, 'template_prefix', cls.get_url_prefix())
@classmethod
def get_permission_prefix(cls):
"""
Returns a prefix which (by default) applies to all permissions leveraged by
the master view class. This uses the route prefix by default.
"""
return getattr(cls, 'permission_prefix', cls.get_route_prefix())
def get_index_url(self, mobile=False, **kwargs):
"""
Returns the master view's index URL.
"""
route = self.get_route_prefix()
if mobile:
route = 'mobile.{}'.format(route)
return self.request.route_url(route)
@classmethod
def get_index_title(cls):
"""
Returns the title for the index page.
"""
return getattr(cls, 'index_title', cls.get_model_title_plural())
def get_action_url(self, action, instance, mobile=False, **kwargs):
"""
Generate a URL for the given action on the given instance
"""
kw = self.get_action_route_kwargs(instance)
kw.update(kwargs)
route_prefix = self.get_route_prefix()
if mobile:
route_prefix = 'mobile.{}'.format(route_prefix)
return self.request.route_url('{}.{}'.format(route_prefix, action), **kw)
def get_help_url(self):
"""
May return a "help URL" if applicable. Default behavior is to simply
return the value of :attr:`help_url` (regardless of which view is in
effect), which in turn defaults to ``None``. If an actual URL is
returned, then a Help button will be shown in the page header;
otherwise it is not shown.
This method is invoked whenever a template is rendered for a response,
so if you like you can return a different help URL depending on which
type of CRUD view is in effect, etc.
"""
return self.help_url
def render_to_response(self, template, data, mobile=False):
"""
Return a response with the given template rendered with the given data.
Note that ``template`` must only be a "key" (e.g. 'index' or 'view').
First an attempt will be made to render using the :attr:`template_prefix`.
If that doesn't work, another attempt will be made using '/master' as
the template prefix.
"""
context = {
'master': self,
'model_title': self.get_model_title(),
'model_title_plural': self.get_model_title_plural(),
'route_prefix': self.get_route_prefix(),
'permission_prefix': self.get_permission_prefix(),
'index_title': self.get_index_title(),
'index_url': self.get_index_url(mobile=mobile),
'action_url': self.get_action_url,
'grid_index': self.grid_index,
'help_url': self.get_help_url(),
}
if self.grid_index:
context['grid_count'] = self.grid_count
if self.has_rows:
context['row_permission_prefix'] = self.get_row_permission_prefix()
context['row_model_title'] = self.get_row_model_title()
context['row_model_title_plural'] = self.get_row_model_title_plural()
context['row_action_url'] = self.get_row_action_url
context.update(data)
context.update(self.template_kwargs(**context))
if hasattr(self, 'template_kwargs_{}'.format(template)):
context.update(getattr(self, 'template_kwargs_{}'.format(template))(**context))
if hasattr(self, 'mobile_template_kwargs_{}'.format(template)):
context.update(getattr(self, 'mobile_template_kwargs_{}'.format(template))(**context))
# First try the template path most specific to the view.
if mobile:
mako_path = '/mobile{}/{}.mako'.format(self.get_template_prefix(), template)
else:
mako_path = '{}/{}.mako'.format(self.get_template_prefix(), template)
try:
return render_to_response(mako_path, context, request=self.request)
except IOError:
# Failing that, try one or more fallback templates.
for fallback in self.get_fallback_templates(template, mobile=mobile):
try:
return render_to_response(fallback, context, request=self.request)
except IOError:
pass
# If we made it all the way here, we found no templates at all, in
# which case re-attempt the first and let that error raise on up.
return render_to_response('{}/{}.mako'.format(self.get_template_prefix(), template),
context, request=self.request)
# TODO: merge this logic with render_to_response()
def render(self, template, data):
"""
Render the given template with the given context data.
"""
context = {
'master': self,
'model_title': self.get_model_title(),
'model_title_plural': self.get_model_title_plural(),
'route_prefix': self.get_route_prefix(),
'permission_prefix': self.get_permission_prefix(),
'index_title': self.get_index_title(),
'index_url': self.get_index_url(),
'action_url': self.get_action_url,
}
context.update(data)
# First try the template path most specific to the view.
try:
return render('{}/{}.mako'.format(self.get_template_prefix(), template),
context, request=self.request)
except IOError:
# Failing that, try one or more fallback templates.
for fallback in self.get_fallback_templates(template):
try:
return render(fallback, context, request=self.request)
except IOError:
pass
# If we made it all the way here, we found no templates at all, in
# which case re-attempt the first and let that error raise on up.
return render('{}/{}.mako'.format(self.get_template_prefix(), template),
context, request=self.request)
def get_fallback_templates(self, template, mobile=False):
if mobile:
return ['/mobile/master/{}.mako'.format(template)]
return ['/master/{}.mako'.format(template)]
def template_kwargs(self, **kwargs):
"""
Supplement the template context, for all views.
"""
return kwargs
##############################
# Grid Stuff
##############################
@classmethod
def get_grid_key(cls):
"""
Returns the unique key to be used for the grid, for caching sort/filter
options etc.
"""
if hasattr(cls, 'grid_key'):
return cls.grid_key
# default previously came from cls.get_normalized_model_name() but this is hopefully better
return cls.get_route_prefix()
def get_row_grid_key(self):
return '{}.{}'.format(self.get_grid_key(), self.request.matchdict[self.get_model_key()])
def get_grid_actions(self):
main, more = self.get_main_actions(), self.get_more_actions()
if len(more) == 1:
main, more = main + more, []
if len(main + more) <= 3:
main, more = main + more, []
return main, more
def get_row_attrs(self, row, i):
"""
Returns a dict of HTML attributes which is to be applied to the row's
``<tr>`` element. Note that ``i`` will be a 1-based index value for
the row within its table. The meaning of ``row`` is basically not
defined; it depends on the type of data the grid deals with.
"""
if callable(self.row_attrs):
attrs = self.row_attrs(row, i)
else:
attrs = dict(self.row_attrs)
if self.mergeable:
attrs['data-uuid'] = row.uuid
return attrs
def get_cell_attrs(self, row, column):
"""
Returns a dictionary of HTML attributes which should be applied to the
``<td>`` element in which the given row and column "intersect".
"""
if callable(self.cell_attrs):
return self.cell_attrs(row, column)
return self.cell_attrs
def get_main_actions(self):
"""
Return a list of 'main' actions for the grid.
"""
actions = []
prefix = self.get_permission_prefix()
if self.viewable and self.request.has_perm('{}.view'.format(prefix)):
url = self.get_view_index_url if self.use_index_links else None
actions.append(self.make_action('view', icon='zoomin', url=url))
return actions
def get_view_index_url(self, row, i):
route = '{}.view_index'.format(self.get_route_prefix())
return '{}?index={}'.format(self.request.route_url(route), self.first_visible_grid_index + i - 1)
def get_more_actions(self):
"""
Return a list of 'more' actions for the grid.
"""
actions = []
prefix = self.get_permission_prefix()
if self.editable and self.request.has_perm('{}.edit'.format(prefix)):
actions.append(self.make_action('edit', icon='pencil', url=self.default_edit_url))
if self.deletable and self.request.has_perm('{}.delete'.format(prefix)):
actions.append(self.make_action('delete', icon='trash', url=self.default_delete_url))
return actions
def default_edit_url(self, row, i=None):
if self.editable_instance(row):
return self.request.route_url('{}.edit'.format(self.get_route_prefix()),
**self.get_action_route_kwargs(row))
def default_delete_url(self, row, i=None):
if self.deletable_instance(row):
return self.request.route_url('{}.delete'.format(self.get_route_prefix()),
**self.get_action_route_kwargs(row))
def make_action(self, key, url=None, **kwargs):
"""
Make a new :class:`GridAction` instance for the current grid.
"""
if url is None:
route = '{}.{}'.format(self.get_route_prefix(), key)
url = lambda r, i: self.request.route_url(route, **self.get_action_route_kwargs(r))
return grids.GridAction(key, url=url, **kwargs)
def get_action_route_kwargs(self, row):
"""
Hopefully generic kwarg generator for basic action routes.
"""
try:
mapper = orm.object_mapper(row)
except orm.exc.UnmappedInstanceError:
return {self.model_key: row[self.model_key]}
else:
keys = [k.key for k in mapper.primary_key]
values = [getattr(row, k) for k in keys]
return dict(zip(keys, values))
def get_data(self, session=None):
"""
Generate the base data set for the grid. This typically will be a
SQLAlchemy query against the view's model class, but subclasses may
override this to support arbitrary data sets.
Note that if your view is typical and uses a SA model, you should not
override this methid, but override :meth:`query()` instead.
"""
if session is None:
session = self.Session()
return self.query(session)
def query(self, session):
"""
Produce the initial/base query for the master grid. By default this is
simply a query against the model class, but you may override as
necessary to apply any sort of pre-filtering etc. This is useful if
say, you don't ever want to show records of a certain type to non-admin
users. You would modify the base query to hide what you wanted,
regardless of the user's filter selections.
"""
return session.query(self.get_model_class())
def get_effective_query(self, session=None, **kwargs):
return self.get_effective_data(session=session, **kwargs)
def checkbox(self, instance):
"""
Returns a boolean indicating whether ot not a checkbox should be
rendererd for the given row. Default implementation returns ``True``
in all cases.
"""
return True
def checked(self, instance):
"""
Returns a boolean indicating whether ot not a checkbox should be
checked by default, for the given row. Default implementation returns
``False`` in all cases.
"""
return False
def results_csv(self):
"""
Download current list results as CSV
"""
results = self.get_effective_data()
fields = self.get_csv_fields()
data = six.StringIO()
writer = UnicodeDictWriter(data, fields)
writer.writeheader()
for obj in results:
writer.writerow(self.get_csv_row(obj, fields))
response = self.request.response
if six.PY3:
response.text = data.getvalue()
response.content_type = 'text/csv'
response.content_disposition = 'attachment; filename={}.csv'.format(self.get_grid_key())
else:
response.body = data.getvalue()
response.content_type = b'text/csv'
response.content_disposition = b'attachment; filename={}.csv'.format(self.get_grid_key())
data.close()
response.content_length = len(response.body)
return response
def results_xlsx(self):
"""
Download current list results as XLSX.
"""
results = self.get_effective_data()
fields = self.get_xlsx_fields()
path = temp_path(suffix='.xlsx')
writer = ExcelWriter(path, fields, sheet_title=self.get_model_title_plural())
writer.write_header()
rows = []
for obj in results:
data = self.get_xlsx_row(obj, fields)
row = [data[field] for field in fields]
rows.append(row)
writer.write_rows(rows)
writer.auto_freeze()
writer.auto_filter()
writer.auto_resize()
writer.save()
response = self.request.response
with open(path, 'rb') as f:
response.body = f.read()
os.remove(path)
response.content_length = len(response.body)
response.content_type = b'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'
response.content_disposition = b'attachment; filename={}.xlsx'.format(self.get_grid_key())
return response
def get_xlsx_fields(self):
"""
Return the list of fields to be written to XLSX download.
"""
fields = []
mapper = orm.class_mapper(self.model_class)
for prop in mapper.iterate_properties:
if isinstance(prop, orm.ColumnProperty):
fields.append(prop.key)
return fields
def get_xlsx_row(self, obj, fields):
"""
Return a dict for use when writing the row's data to CSV download.
"""
row = {}
for field in fields:
row[field] = getattr(obj, field, None)
return row
def row_results_csv(self):
"""
Download current row results data for an object, as CSV
"""
obj = self.get_instance()
fields = self.get_row_csv_fields()
data = six.StringIO()
writer = UnicodeDictWriter(data, fields)
writer.writeheader()
for row in self.get_effective_row_data(sort=True):
writer.writerow(self.get_row_csv_row(row, fields))
response = self.request.response
filename = self.get_row_results_csv_filename(obj)
if six.PY3:
response.text = data.getvalue()
response.content_type = 'text/csv'
response.content_disposition = 'attachment; filename={}'.format(filename)
else:
response.body = data.getvalue()
response.content_type = b'text/csv'
response.content_disposition = b'attachment; filename={}'.format(filename)
data.close()
response.content_length = len(response.body)
return response
def get_row_results_csv_filename(self, instance):
return '{}.csv'.format(self.get_row_grid_key())
def get_csv_fields(self):
"""
Return the list of fields to be written to CSV download. Default field
list will be constructed from the underlying table columns.
"""
fields = []
mapper = orm.class_mapper(self.model_class)
for prop in mapper.iterate_properties:
if isinstance(prop, orm.ColumnProperty):
fields.append(prop.key)
return fields
def get_row_csv_fields(self):
"""
Return the list of row fields to be written to CSV download.
"""
fields = []
mapper = orm.class_mapper(self.model_row_class)
for prop in mapper.iterate_properties:
if isinstance(prop, orm.ColumnProperty):
fields.append(prop.key)
return fields
def get_csv_row(self, obj, fields):
"""
Return a dict for use when writing the row's data to CSV download.
"""
csvrow = {}
for field in fields:
value = getattr(obj, field, None)
csvrow[field] = '' if value is None else six.text_type(value)
return csvrow
def get_row_csv_row(self, row, fields):
"""
Return a dict for use when writing the row's data to CSV download.
"""
csvrow = {}
for field in fields:
value = getattr(row, field, None)
csvrow[field] = '' if value is None else six.text_type(value)
return csvrow
##############################
# CRUD Stuff
##############################
def get_instance(self):
"""
Fetch the current model instance by inspecting the route kwargs and
doing a database lookup. If the instance cannot be found, raises 404.
"""
# TODO: this can't handle composite model key..is that needed?
key = self.request.matchdict[self.get_model_key()]
instance = self.Session.query(self.get_model_class()).get(key)
if not instance:
raise httpexceptions.HTTPNotFound()
return instance
def get_instance_title(self, instance):
"""
Return a "pretty" title for the instance, to be used in the page title etc.
"""
return six.text_type(instance)
@classmethod
def get_form_factory(cls):
"""
Returns the grid factory or class which is to be used when creating new
grid instances.
"""
return getattr(cls, 'form_factory', forms.Form)
@classmethod
def get_mobile_form_factory(cls):
"""
Returns the factory or class which is to be used when creating new
mobile forms.
"""
return getattr(cls, 'mobile_form_factory', forms.Form)
@classmethod
def get_row_form_factory(cls):
"""
Returns the factory or class which is to be used when creating new row
forms.
"""
return getattr(cls, 'row_form_factory', forms.Form)
@classmethod
def get_mobile_row_form_factory(cls):
"""
Returns the factory or class which is to be used when creating new
mobile row forms.
"""
return getattr(cls, 'mobile_row_form_factory', forms.Form)
def render_downloadable_file(self, obj, field):
filename = getattr(obj, field)
if not filename:
return ""
path = self.download_path(obj, filename)
url = self.get_action_url('download', obj, _query={'filename': filename})
return self.render_file_field(path, url)
def render_file_field(self, path, url=None, filename=None):
"""
Convenience for rendering a file with optional download link
"""
if not filename:
filename = os.path.basename(path)
content = "{} ({})".format(filename, self.readable_size(path))
if url:
return tags.link_to(content, url)
return content
def readable_size(self, path):
# TODO: this was shamelessly copied from FormAlchemy ...
length = self.get_size(path)
if length == 0:
return '0 KB'
if length <= 1024:
return '1 KB'
if length > 1048576:
return '%0.02f MB' % (length / 1048576.0)
return '%0.02f KB' % (length / 1024.0)
def get_size(self, path):
try:
return os.path.getsize(path)
except os.error:
return 0
def make_form(self, instance=None, factory=None, fields=None, schema=None, make_kwargs=None, configure=None, **kwargs):
"""
Creates a new form for the given model class/instance
"""
if factory is None:
factory = self.get_form_factory()
if fields is None:
fields = self.get_form_fields()
if schema is None:
schema = self.make_form_schema()
if make_kwargs is None:
make_kwargs = self.make_form_kwargs
if configure is None:
configure = self.configure_form
# TODO: SQLAlchemy class instance is assumed *unless* we get a dict
# (seems like we should be smarter about this somehow)
# if not self.creating and not isinstance(instance, dict):
if not self.creating:
kwargs['model_instance'] = instance
kwargs = make_kwargs(**kwargs)
form = factory(fields, schema, **kwargs)
configure(form)
return form
def get_form_fields(self):
if hasattr(self, 'form_fields'):
return self.form_fields
# TODO
# raise NotImplementedError
def make_form_schema(self):
if not self.model_class:
# TODO
raise NotImplementedError
def make_form_kwargs(self, **kwargs):
"""
Return a dictionary of kwargs to be passed to the factory when creating
new form instances.
"""
defaults = {
'request': self.request,
'readonly': self.viewing,
'model_class': getattr(self, 'model_class', None),
'action_url': self.request.current_route_url(_query=None),
}
if self.creating:
kwargs.setdefault('cancel_url', self.get_index_url())
else:
instance = kwargs['model_instance']
kwargs.setdefault('cancel_url', self.get_action_url('view', instance))
defaults.update(kwargs)
return defaults
def configure_form(self, form):
"""
Configure the primary form. By default this just sets any primary key
fields to be readonly (if we have a :attr:`model_class`).
"""
if self.editing:
model_class = self.get_model_class(error=False)
if model_class:
mapper = orm.class_mapper(model_class)
for key in mapper.primary_key:
for field in form.fields:
if field == key.name:
form.set_readonly(field)
break
form.remove_field('uuid')
self.set_labels(form)
def validate_form(self, form):
if form.validate(newstyle=True):
self.form_deserialized = form.validated
return True
return False
def objectify(self, form, data):
obj = form.schema.objectify(data, context=form.model_instance)
return obj
def objectify_contact(self, contact, data):
if 'default_email' in data:
address = data['default_email']
if contact.emails:
if address:
email = contact.emails[0]
email.address = address
else:
contact.emails.pop(0)
elif address:
contact.add_email_address(address)
if 'default_phone' in data:
number = data['default_phone']
if contact.phones:
if number:
phone = contact.phones[0]
phone.number = number
else:
contact.phones.pop(0)
elif number:
contact.add_phone_number(number)
return contact
def save_form(self, form):
form.save()
def before_create(self, form):
"""
Event hook, called just after the form to create a new instance has
been validated, but prior to the form itself being saved.
"""
def after_create(self, instance):
"""
Event hook, called just after a new instance is saved.
"""
def editable_instance(self, instance):
"""
Returns boolean indicating whether or not the given instance can be
considered "editable". Returns ``True`` by default; override as
necessary.
"""
return True
def after_edit(self, instance):
"""
Event hook, called just after an existing instance is saved.
"""
def deletable_instance(self, instance):
"""
Returns boolean indicating whether or not the given instance can be
considered "deletable". Returns ``True`` by default; override as
necessary.
"""
return True
def before_delete(self, instance):
"""
Event hook, called just before deletion is attempted.
"""
def delete_instance(self, instance):
"""
Delete the instance, or mark it as deleted, or whatever you need to do.
"""
# Flush immediately to force any pending integrity errors etc.; that
# way we don't set flash message until we know we have success.
self.Session.delete(instance)
self.Session.flush()
def get_after_delete_url(self, instance):
"""
Returns the URL to which the user should be redirected after
successfully "deleting" the given instance.
"""
if hasattr(self, 'after_delete_url'):
if callable(self.after_delete_url):
return self.after_delete_url(instance)
return self.after_delete_url
return self.get_index_url()
##############################
# Associated Rows Stuff
##############################
def create_row(self):
"""
View for creating a new row record.
"""
self.creating = True
parent = self.get_instance()
index_url = self.get_action_url('view', parent)
form = self.make_row_form(self.model_row_class, cancel_url=index_url)
if self.request.method == 'POST':
if self.validate_row_form(form):
self.before_create_row(form)
obj = self.save_create_row_form(form)
self.after_create_row(obj)
return self.redirect_after_create_row(obj)
return self.render_to_response('create_row', {
'index_url': index_url,
'index_title': '{} {}'.format(
self.get_model_title(),
self.get_instance_title(parent)),
'form': form})
# TODO: still need to verify this logic
def save_create_row_form(self, form):
# self.before_create(form)
# with self.Session().no_autoflush:
# obj = self.objectify(form, self.form_deserialized)
# self.before_create_flush(obj, form)
obj = self.objectify(form, self.form_deserialized)
self.Session.add(obj)
self.Session.flush()
return obj
# def save_create_row_form(self, form):
# self.save_row_form(form)
def before_create_row(self, form):
pass
def after_create_row(self, row_object):
pass
def redirect_after_create_row(self, row, mobile=False):
return self.redirect(self.get_row_action_url('view', row, mobile=mobile))
def mobile_create_row(self):
"""
Mobile view for creating a new row object
"""
self.creating = True
parent = self.get_instance()
instance_url = self.get_action_url('view', parent, mobile=True)
form = self.make_mobile_row_form(self.model_row_class, cancel_url=instance_url)
if self.request.method == 'POST':
if self.validate_mobile_row_form(form):
self.before_create_row(form)
# let save() return alternate object if necessary
obj = self.save_create_row_form(form)
self.after_create_row(obj)
return self.redirect_after_create_row(obj, mobile=True)
return self.render_to_response('create_row', {
'instance_title': self.get_instance_title(parent),
'instance_url': instance_url,
'parent_object': parent,
'form': form,
}, mobile=True)
def view_row(self):
"""
View for viewing details of a single data row.
"""
self.viewing = True
row = self.get_row_instance()
form = self.make_row_form(row)
parent = self.get_parent(row)
return self.render_to_response('view_row', {
'instance': row,
'instance_title': self.get_instance_title(parent),
'row_title': self.get_row_instance_title(row),
'instance_url': self.get_action_url('view', parent),
'instance_editable': self.row_editable(row),
'instance_deletable': self.row_deletable(row),
'rows_creatable': self.rows_creatable and self.rows_creatable_for(parent),
'model_title': self.get_row_model_title(),
'model_title_plural': self.get_row_model_title_plural(),
'parent_instance': parent,
'parent_model_title': self.get_model_title(),
'action_url': self.get_row_action_url,
'form': form})
def rows_creatable_for(self, instance):
"""
Returns boolean indicating whether or not the given instance should
allow new rows to be added to it.
"""
return True
def row_editable(self, row):
"""
Returns boolean indicating whether or not the given row can be
considered "editable". Returns ``True`` by default; override as
necessary.
"""
return True
def edit_row(self):
"""
View for editing an existing model record.
"""
self.editing = True
row = self.get_row_instance()
form = self.make_row_form(row)
if self.request.method == 'POST':
if self.validate_row_form(form):
self.save_edit_row_form(form)
return self.redirect_after_edit_row(row)
parent = self.get_parent(row)
return self.render_to_response('edit_row', {
'instance': row,
'row_parent': parent,
'parent_title': self.get_instance_title(parent),
'parent_url': self.get_action_url('view', parent),
'parent_instance': parent,
'instance_title': self.get_row_instance_title(row),
'instance_deletable': self.row_deletable(row),
'form': form,
'dform': form.make_deform_form(),
})
def mobile_edit_row(self):
"""
Mobile view for editing a row object
"""
self.editing = True
row = self.get_row_instance()
instance_url = self.get_row_action_url('view', row, mobile=True)
form = self.make_mobile_row_form(row)
if self.request.method == 'POST':
if self.validate_mobile_row_form(form):
self.save_edit_row_form(form)
return self.redirect_after_edit_row(row, mobile=True)
parent = self.get_parent(row)
return self.render_to_response('edit_row', {
'instance': row,
'instance_title': self.get_row_instance_title(row),
'instance_url': instance_url,
'instance_deletable': self.row_deletable(row),
'parent_instance': parent,
'parent_title': self.get_instance_title(parent),
'parent_url': self.get_action_url('view', parent, mobile=True),
'form': form},
mobile=True)
def save_edit_row_form(self, form):
obj = self.objectify(form, self.form_deserialized)
self.after_edit_row(obj)
self.Session.flush()
return obj
# def save_row_form(self, form):
# form.save()
def after_edit_row(self, row):
"""
Event hook, called just after an existing row object is saved.
"""
def redirect_after_edit_row(self, row, mobile=False):
return self.redirect(self.get_row_action_url('view', row, mobile=mobile))
def row_deletable(self, row):
"""
Returns boolean indicating whether or not the given row can be
considered "deletable". Returns ``True`` by default; override as
necessary.
"""
return True
def delete_row(self):
"""
"Delete" a sub-row from the parent.
"""
row = self.Session.query(self.model_row_class).get(self.request.matchdict['row_uuid'])
if not row:
raise httpexceptions.HTTPNotFound()
self.Session.delete(row)
return self.redirect(self.get_action_url('edit', self.get_parent(row)))
def get_parent(self, row):
raise NotImplementedError
def get_row_instance_title(self, instance):
return self.get_row_model_title()
def get_row_instance(self):
# TODO: is this right..?
# key = self.request.matchdict[self.get_model_key()]
key = self.request.matchdict['row_uuid']
instance = self.Session.query(self.model_row_class).get(key)
if not instance:
raise httpexceptions.HTTPNotFound()
return instance
def make_row_form(self, instance=None, factory=None, fields=None, schema=None, **kwargs):
"""
Creates a new row form for the given model class/instance.
"""
if factory is None:
factory = self.get_row_form_factory()
if fields is None:
fields = self.get_row_form_fields()
if schema is None:
schema = self.make_row_form_schema()
if not self.creating:
kwargs['model_instance'] = instance
kwargs = self.make_row_form_kwargs(**kwargs)
form = factory(fields, schema, **kwargs)
self.configure_row_form(form)
return form
def get_row_form_fields(self):
if hasattr(self, 'row_form_fields'):
return self.row_form_fields
# TODO
# raise NotImplementedError
def make_row_form_schema(self):
if not self.model_row_class:
# TODO
raise NotImplementedError
def make_row_form_kwargs(self, **kwargs):
"""
Return a dictionary of kwargs to be passed to the factory when creating
new row forms.
"""
defaults = {
'request': self.request,
'readonly': self.viewing,
'model_class': getattr(self, 'model_row_class', None),
'action_url': self.request.current_route_url(_query=None),
}
if self.creating:
kwargs.setdefault('cancel_url', self.request.get_referrer())
else:
instance = kwargs['model_instance']
if 'cancel_url' not in kwargs:
kwargs['cancel_url'] = self.get_row_action_url('view', instance)
defaults.update(kwargs)
return defaults
def configure_row_form(self, form):
"""
Configure a row form.
"""
# TODO: is any of this stuff from configure_form() needed?
# if self.editing:
# model_class = self.get_model_class(error=False)
# if model_class:
# mapper = orm.class_mapper(model_class)
# for key in mapper.primary_key:
# for field in form.fields:
# if field == key.name:
# form.set_readonly(field)
# break
# form.remove_field('uuid')
self.set_row_labels(form)
def validate_row_form(self, form):
controls = self.request.POST.items()
try:
self.form_deserialized = form.validate(controls)
except deform.ValidationFailure:
return False
return True
def get_row_action_url(self, action, row, mobile=False):
"""
Generate a URL for the given action on the given row.
"""
route_name = '{}.{}_row'.format(self.get_route_prefix(), action)
if mobile:
route_name = 'mobile.{}'.format(route_name)
return self.request.route_url(route_name, **self.get_row_action_route_kwargs(row))
def get_row_action_route_kwargs(self, row):
"""
Hopefully generic kwarg generator for basic action routes.
"""
# TODO: make this smarter?
parent = self.get_parent(row)
return {
'uuid': parent.uuid,
'row_uuid': row.uuid,
}
def make_diff(self, old_data, new_data, **kwargs):
return diffs.Diff(old_data, new_data, **kwargs)
##############################
# Config Stuff
##############################
@classmethod
def defaults(cls, config):
"""
Provide default configuration for a master view.
"""
cls._defaults(config)
@classmethod
def _defaults(cls, config):
"""
Provide default configuration for a master view.
"""
rattail_config = config.registry.settings.get('rattail_config')
route_prefix = cls.get_route_prefix()
url_prefix = cls.get_url_prefix()
permission_prefix = cls.get_permission_prefix()
model_key = cls.get_model_key()
model_title = cls.get_model_title()
model_title_plural = cls.get_model_title_plural()
if cls.has_rows:
row_model_title = cls.get_row_model_title()
config.add_tailbone_permission_group(permission_prefix, model_title_plural, overwrite=False)
# list/search
if cls.listable:
config.add_tailbone_permission(permission_prefix, '{}.list'.format(permission_prefix),
"List / search {}".format(model_title_plural))
config.add_route(route_prefix, '{}/'.format(url_prefix))
config.add_view(cls, attr='index', route_name=route_prefix,
permission='{}.list'.format(permission_prefix))
if cls.supports_mobile:
config.add_route('mobile.{}'.format(route_prefix), '/mobile{}/'.format(url_prefix))
config.add_view(cls, attr='mobile_index', route_name='mobile.{}'.format(route_prefix),
permission='{}.list'.format(permission_prefix))
if cls.results_downloadable_csv:
config.add_tailbone_permission(permission_prefix, '{}.results_csv'.format(permission_prefix),
"Download {} as CSV".format(model_title_plural))
config.add_route('{}.results_csv'.format(route_prefix), '{}/csv'.format(url_prefix))
config.add_view(cls, attr='results_csv', route_name='{}.results_csv'.format(route_prefix),
permission='{}.results_csv'.format(permission_prefix))
if cls.results_downloadable_xlsx:
config.add_tailbone_permission(permission_prefix, '{}.results_xlsx'.format(permission_prefix),
"Download {} as XLSX".format(model_title_plural))
config.add_route('{}.results_xlsx'.format(route_prefix), '{}/xlsx'.format(url_prefix))
config.add_view(cls, attr='results_xlsx', route_name='{}.results_xlsx'.format(route_prefix),
permission='{}.results_xlsx'.format(permission_prefix))
# create
if cls.creatable or cls.mobile_creatable:
config.add_tailbone_permission(permission_prefix, '{}.create'.format(permission_prefix),
"Create new {}".format(model_title))
if cls.creatable:
config.add_route('{}.create'.format(route_prefix), '{}/new'.format(url_prefix))
config.add_view(cls, attr='create', route_name='{}.create'.format(route_prefix),
permission='{}.create'.format(permission_prefix))
if cls.mobile_creatable:
config.add_route('mobile.{}.create'.format(route_prefix), '/mobile{}/new'.format(url_prefix))
config.add_view(cls, attr='mobile_create', route_name='mobile.{}.create'.format(route_prefix),
permission='{}.create'.format(permission_prefix))
# populate new object
if cls.populatable:
config.add_route('{}.populate'.format(route_prefix), '{}/{{uuid}}/populate'.format(url_prefix))
config.add_view(cls, attr='populate', route_name='{}.populate'.format(route_prefix),
permission='{}.create'.format(permission_prefix))
# bulk delete
if cls.bulk_deletable:
config.add_route('{}.bulk_delete'.format(route_prefix), '{}/bulk-delete'.format(url_prefix))
config.add_view(cls, attr='bulk_delete', route_name='{}.bulk_delete'.format(route_prefix),
permission='{}.bulk_delete'.format(permission_prefix))
config.add_tailbone_permission(permission_prefix, '{}.bulk_delete'.format(permission_prefix),
"Bulk delete {}".format(model_title_plural))
# merge
if cls.mergeable:
config.add_route('{}.merge'.format(route_prefix), '{}/merge'.format(url_prefix))
config.add_view(cls, attr='merge', route_name='{}.merge'.format(route_prefix),
permission='{}.merge'.format(permission_prefix))
config.add_tailbone_permission(permission_prefix, '{}.merge'.format(permission_prefix),
"Merge 2 {}".format(model_title_plural))
# view
if cls.viewable:
config.add_tailbone_permission(permission_prefix, '{}.view'.format(permission_prefix),
"View details for {}".format(model_title))
if cls.has_pk_fields:
config.add_tailbone_permission(permission_prefix, '{}.view_pk_fields'.format(permission_prefix),
"View all PK-type fields for {}".format(model_title_plural))
# view by grid index
config.add_route('{}.view_index'.format(route_prefix), '{}/view'.format(url_prefix))
config.add_view(cls, attr='view_index', route_name='{}.view_index'.format(route_prefix),
permission='{}.view'.format(permission_prefix))
# view by record key
config.add_route('{}.view'.format(route_prefix), '{}/{{{}}}'.format(url_prefix, model_key))
config.add_view(cls, attr='view', route_name='{}.view'.format(route_prefix),
permission='{}.view'.format(permission_prefix))
if cls.supports_mobile:
config.add_route('mobile.{}.view'.format(route_prefix), '/mobile{}/{{{}}}'.format(url_prefix, model_key))
config.add_view(cls, attr='mobile_view', route_name='mobile.{}.view'.format(route_prefix),
permission='{}.view'.format(permission_prefix))
# version history
if cls.has_versions and rattail_config and rattail_config.versioning_enabled():
config.add_tailbone_permission(permission_prefix, '{}.versions'.format(permission_prefix),
"View version history for {}".format(model_title))
config.add_route('{}.versions'.format(route_prefix), '{}/{{{}}}/versions/'.format(url_prefix, model_key))
config.add_view(cls, attr='versions', route_name='{}.versions'.format(route_prefix),
permission='{}.versions'.format(permission_prefix))
config.add_route('{}.version'.format(route_prefix), '{}/{{{}}}/versions/{{txnid}}'.format(url_prefix, model_key))
config.add_view(cls, attr='view_version', route_name='{}.version'.format(route_prefix),
permission='{}.versions'.format(permission_prefix))
# clone
if cls.cloneable:
config.add_tailbone_permission(permission_prefix, '{}.clone'.format(permission_prefix),
"Clone an existing {0} as a new {0}".format(model_title))
config.add_route('{}.clone'.format(route_prefix), '{}/{{{}}}/clone'.format(url_prefix, model_key))
config.add_view(cls, attr='clone', route_name='{}.clone'.format(route_prefix),
permission='{}.clone'.format(permission_prefix))
# download
if cls.downloadable:
config.add_route('{}.download'.format(route_prefix), '{}/{{{}}}/download'.format(url_prefix, model_key))
config.add_view(cls, attr='download', route_name='{}.download'.format(route_prefix),
permission='{}.download'.format(permission_prefix))
config.add_tailbone_permission(permission_prefix, '{}.download'.format(permission_prefix),
"Download associated data for {}".format(model_title))
# edit
if cls.editable:
config.add_route('{0}.edit'.format(route_prefix), '{0}/{{{1}}}/edit'.format(url_prefix, model_key))
config.add_view(cls, attr='edit', route_name='{0}.edit'.format(route_prefix),
permission='{0}.edit'.format(permission_prefix))
config.add_tailbone_permission(permission_prefix, '{0}.edit'.format(permission_prefix),
"Edit {0}".format(model_title))
# execute
if cls.executable or cls.mobile_executable:
config.add_tailbone_permission(permission_prefix, '{}.execute'.format(permission_prefix),
"Execute {}".format(model_title))
if cls.executable:
config.add_route('{}.execute'.format(route_prefix), '{}/{{{}}}/execute'.format(url_prefix, model_key))
config.add_view(cls, attr='execute', route_name='{}.execute'.format(route_prefix),
permission='{}.execute'.format(permission_prefix))
if cls.mobile_executable:
config.add_route('mobile.{}.execute'.format(route_prefix), '/mobile{}/{{{}}}/execute'.format(url_prefix, model_key))
config.add_view(cls, attr='mobile_execute', route_name='mobile.{}.execute'.format(route_prefix),
permission='{}.execute'.format(permission_prefix))
# delete
if cls.deletable:
config.add_route('{0}.delete'.format(route_prefix), '{0}/{{{1}}}/delete'.format(url_prefix, model_key))
config.add_view(cls, attr='delete', route_name='{0}.delete'.format(route_prefix),
permission='{0}.delete'.format(permission_prefix))
config.add_tailbone_permission(permission_prefix, '{0}.delete'.format(permission_prefix),
"Delete {0}".format(model_title))
### sub-rows stuff follows
# download row results as CSV
if cls.has_rows and cls.rows_downloadable_csv:
config.add_tailbone_permission(permission_prefix, '{}.row_results_csv'.format(permission_prefix),
"Download {} results as CSV".format(row_model_title))
config.add_route('{}.row_results_csv'.format(route_prefix), '{}/{{uuid}}/rows-csv'.format(url_prefix))
config.add_view(cls, attr='row_results_csv', route_name='{}.row_results_csv'.format(route_prefix),
permission='{}.row_results_csv'.format(permission_prefix))
# create row
if cls.has_rows:
if cls.rows_creatable or cls.mobile_rows_creatable:
config.add_tailbone_permission(permission_prefix, '{}.create_row'.format(permission_prefix),
"Create new {} rows".format(model_title))
if cls.rows_creatable:
config.add_route('{}.create_row'.format(route_prefix), '{}/{{{}}}/new-row'.format(url_prefix, model_key))
config.add_view(cls, attr='create_row', route_name='{}.create_row'.format(route_prefix),
permission='{}.create_row'.format(permission_prefix))
if cls.mobile_rows_creatable:
config.add_route('mobile.{}.create_row'.format(route_prefix), '/mobile{}/{{{}}}/new-row'.format(url_prefix, model_key))
config.add_view(cls, attr='mobile_create_row', route_name='mobile.{}.create_row'.format(route_prefix),
permission='{}.create_row'.format(permission_prefix))
# view row
if cls.has_rows:
if cls.rows_viewable:
config.add_route('{}.view_row'.format(route_prefix), '{}/{{uuid}}/rows/{{row_uuid}}'.format(url_prefix))
config.add_view(cls, attr='view_row', route_name='{}.view_row'.format(route_prefix),
permission='{}.view'.format(permission_prefix))
if cls.mobile_rows_viewable:
config.add_route('mobile.{}.view_row'.format(route_prefix), '/mobile{}/{{uuid}}/rows/{{row_uuid}}'.format(url_prefix))
config.add_view(cls, attr='mobile_view_row', route_name='mobile.{}.view_row'.format(route_prefix),
permission='{}.view'.format(permission_prefix))
# edit row
if cls.has_rows:
if cls.rows_editable or cls.mobile_rows_editable:
config.add_tailbone_permission(permission_prefix, '{}.edit_row'.format(permission_prefix),
"Edit individual {} rows".format(model_title))
if cls.rows_editable:
config.add_route('{}.edit_row'.format(route_prefix), '{}/{{uuid}}/rows/{{row_uuid}}/edit'.format(url_prefix))
config.add_view(cls, attr='edit_row', route_name='{}.edit_row'.format(route_prefix),
permission='{}.edit_row'.format(permission_prefix))
if cls.mobile_rows_editable:
config.add_route('mobile.{}.edit_row'.format(route_prefix), '/mobile{}/{{uuid}}/rows/{{row_uuid}}/edit'.format(url_prefix))
config.add_view(cls, attr='mobile_edit_row', route_name='mobile.{}.edit_row'.format(route_prefix),
permission='{}.edit_row'.format(permission_prefix))
# delete row
if cls.has_rows and cls.rows_deletable:
config.add_route('{}.delete_row'.format(route_prefix), '{}/{{uuid}}/rows/{{row_uuid}}/delete'.format(url_prefix))
config.add_view(cls, attr='delete_row', route_name='{}.delete_row'.format(route_prefix),
permission='{}.delete_row'.format(permission_prefix))
config.add_tailbone_permission(permission_prefix, '{}.delete_row'.format(permission_prefix),
"Delete individual {} rows".format(model_title))