Add readonly support for email profile settings.

More to come...  Also this required some form tweaking/overhaul(s).

tailbone/forms/__init__.py

@@ -24,7 +24,10 @@
 Forms
 """
 
-from .simpleform import *
+from formencode import Schema
+
+from .core import Form, Field, FieldSet
+from .simpleform import SimpleForm, FormRenderer
 from .alchemy import AlchemyForm
 from .fields import *
 from .renderers import *

tailbone/forms/alchemy.py

@@ -64,6 +64,9 @@ class AlchemyForm(Object):
             template = '/forms/form.mako'
         return render(template, kwargs)
 
+    def render_fields(self):
+        return self.fieldset.render()
+
     def save(self):
         self.fieldset.sync()
         Session.flush()

tailbone/forms/core.py

@@ -0,0 +1,110 @@
+# -*- coding: utf-8 -*-
+################################################################################
+#
+#  Rattail -- Retail Software Framework
+#  Copyright © 2010-2015 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 Affero 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 Affero General Public License for
+#  more details.
+#
+#  You should have received a copy of the GNU Affero General Public License
+#  along with Rattail.  If not, see <http://www.gnu.org/licenses/>.
+#
+################################################################################
+"""
+Forms Core
+"""
+
+from __future__ import unicode_literals, absolute_import
+
+from edbob.util import prettify
+
+from rattail.util import OrderedDict
+
+from pyramid.renderers import render
+from formalchemy.helpers import content_tag
+
+
+class Form(object):
+    """
+    Base class for all forms.
+    """
+    create_label = "Create"
+    update_label = "Save"
+
+    def __init__(self, request, readonly=False, action_url=None):
+        self.request = request
+        self.readonly = readonly
+        self.action_url = action_url
+
+    def render(self, **kwargs):
+        kwargs.setdefault('form', self)
+        if self.readonly:
+            template = '/forms/form_readonly.mako'
+        else:
+            template = '/forms/form.mako'
+        return render(template, kwargs)
+
+    def render_fields(self, **kwargs):
+        kwargs.setdefault('fieldset', self.fieldset)
+        if self.readonly:
+            template = '/forms/fieldset_readonly.mako'
+        else:
+            template = '/forms/fieldset.mako'
+        return render(template, kwargs)
+
+
+class Field(object):
+    """
+    Manually create instances of this class to populate a simple form.
+    """
+
+    def __init__(self, name, value=None, label=None, requires_label=True):
+        self.name = name
+        self.value = value
+        self._label = label or prettify(self.name)
+        self.requires_label = requires_label
+
+    def is_required(self):
+        return True
+
+    def label(self):
+        return self._label
+
+    def label_tag(self, **html_options):
+        """
+        Logic stolen from FormAlchemy so all fields can render their own label.
+        Original docstring follows.
+
+        return the <label /> tag for the field.
+        """
+        html_options.update(for_=self.name)
+        if 'class_' in html_options:
+            html_options['class_'] += self.is_required() and ' field_req' or ' field_opt'
+        else:
+            html_options['class_'] = self.is_required() and 'field_req' or 'field_opt'
+        return content_tag('label', self.label(), **html_options)
+
+    def render_readonly(self):
+        if self.value is None:
+            return ''
+        return unicode(self.value)
+
+
+class FieldSet(object):
+    """
+    Generic fieldset for use with manually-created simple forms.
+    """
+
+    def __init__(self):
+        self.fields = OrderedDict()
+        self.render_fields = self.fields

tailbone/forms/simpleform.py

@@ -1,9 +1,8 @@
-#!/usr/bin/env python
+# -*- coding: utf-8 -*-
-# -*- coding: utf-8  -*-
 ################################################################################
 #
 #  Rattail -- Retail Software Framework
-#  Copyright © 2010-2012 Lance Edgar
+#  Copyright © 2010-2015 Lance Edgar
 #
 #  This file is part of Rattail.
 #
@@ -21,11 +20,13 @@
 #  along with Rattail.  If not, see <http://www.gnu.org/licenses/>.
 #
 ################################################################################
-
 """
-``pyramid_simpleform`` Forms
+Simple Forms
 """
 
+from __future__ import unicode_literals, absolute_import
+
+import pyramid_simpleform
 from pyramid_simpleform import renderers
 
 from webhelpers.html import tags
@@ -33,8 +34,24 @@ from webhelpers.html import HTML
 
 from edbob.util import prettify
 
+from tailbone.forms import Form
 
-__all__ = ['FormRenderer']
+
+class SimpleForm(Form):
+    """
+    Customized simple form.
+    """
+
+    def __init__(self, request, schema, obj=None, **kwargs):
+        super(SimpleForm, self).__init__(request, **kwargs)
+        self._form = pyramid_simpleform.Form(request, schema=schema, obj=obj)
+
+    def __getattr__(self, attr):
+        return getattr(self._form, attr)
+
+    def render(self, **kwargs):
+        kwargs['form'] = FormRenderer(self)
+        return super(SimpleForm, self).render(**kwargs)
 
 
 class FormRenderer(renderers.FormRenderer):
@@ -42,6 +59,9 @@ class FormRenderer(renderers.FormRenderer):
     Customized form renderer.  Provides some extra methods for convenience.
     """
 
+    def __getattr__(self, attr):
+        return getattr(self.form, attr)
+
     def field_div(self, name, field, label=None):
         errors = self.errors_for(name)
         if errors:

tailbone/newgrids/alchemy.py

@@ -34,6 +34,8 @@ from sqlalchemy import orm
 import formalchemy
 from webhelpers import paginate
 
+from edbob.util import prettify
+
 from tailbone.db import Session
 from tailbone.newgrids import Grid, GridColumn, filters
 
@@ -61,8 +63,10 @@ class AlchemyGrid(Grid):
 
     def __init__(self, *args, **kwargs):
         super(AlchemyGrid, self).__init__(*args, **kwargs)
-        self._fa_grid = formalchemy.Grid(self.model_class, instances=self.data,
+        fa_grid = formalchemy.Grid(self.model_class, instances=self.data,
-                                         session=Session(), request=self.request)
+                                   session=Session(), request=self.request)
+        fa_grid.prettify = prettify
+        self._fa_grid = fa_grid
 
     def __delattr__(self, attr):
         delattr(self._fa_grid, attr)
@@ -150,10 +154,8 @@ class AlchemyGrid(Grid):
         Returns an iterator for all currently-visible columns.
         """
         for field in self._fa_grid.render_fields.itervalues():
-            column = GridColumn()
+            column = GridColumn(field.key, field.label())
             column.field = field
-            column.key = field.key
-            column.label = field.label()
             yield column
 
     def iter_rows(self):

tailbone/newgrids/core.py

@@ -26,6 +26,8 @@ Core Grid Classes
 
 from __future__ import unicode_literals
 
+from edbob.util import prettify
+
 from rattail.db.api import get_setting, save_setting
 
 from pyramid.renderers import render
@@ -136,6 +138,17 @@ class Grid(object):
             sorters.update(updates)
         return sorters
 
+    def make_sorter(self, key, foldcase=False):
+        """
+        Returns a function suitable for a sort map callable, with typical logic
+        built in for sorting a data set comprised of dicts, on the given key.
+        """
+        if foldcase:
+            keyfunc = lambda v: v[key].lower()
+        else:
+            keyfunc = lambda v: v[key]
+        return lambda q, d: sorted(q, key=keyfunc, reverse=d == 'desc')
+
     def load_settings(self, store=True):
         """
         Load current/effective settings for the grid, from the request query
@@ -150,13 +163,15 @@ class Grid(object):
         settings = {
             'sortkey':  self.default_sortkey,
             'sortdir':  self.default_sortdir,
-            'pagesize': self.default_pagesize,
-            'page':     self.default_page,
         }
-        for filtr in self.iter_filters():
+        if self.pageable:
-            settings['filter.{0}.active'.format(filtr.key)] = filtr.default_active
+            settings['pagesize'] = self.default_pagesize
-            settings['filter.{0}.verb'.format(filtr.key)] = filtr.default_verb
+            settings['page'] = self.default_page
-            settings['filter.{0}.value'.format(filtr.key)] = filtr.default_value
+        if self.filterable:
+            for filtr in self.iter_filters():
+                settings['filter.{0}.active'.format(filtr.key)] = filtr.default_active
+                settings['filter.{0}.verb'.format(filtr.key)] = filtr.default_verb
+                settings['filter.{0}.value'.format(filtr.key)] = filtr.default_value
 
         # If user has default settings on file, apply those first.
         if self.user_has_defaults():
@@ -169,7 +184,7 @@ class Grid(object):
 
         # If request has filter settings, grab those, then grab sort/pager
         # settings from request or session.
-        elif self.request_has_settings('filter'):
+        elif self.filterable and self.request_has_settings('filter'):
             self.update_filter_settings(settings, 'request')
             if self.request_has_settings('sort'):
                 self.update_sort_settings(settings, 'request')
@@ -591,7 +606,7 @@ class Grid(object):
             return tags.link_to(action.label, url)
 
     def iter_rows(self):
-        return []
+        return self.make_visible_data()
 
     def get_row_attrs(self, row, i):
         """
@@ -642,7 +657,7 @@ class Grid(object):
         return self.cell_attrs
 
     def render_cell(self, row, column):
-        return ''
+        return unicode(row[column.key])
 
     def get_pagesize_options(self):
         # TODO: Make configurable or something...
@@ -661,8 +676,10 @@ class GridColumn(object):
 
        Human-facing label for the column, i.e. displayed in the header.
     """
-    key = None
+
-    label = None
+    def __init__(self, key, label=None):
+        self.key = key
+        self.label = label or prettify(key)
 
 
 class GridAction(object):
@@ -673,7 +690,7 @@ class GridAction(object):
 
     def __init__(self, key, label=None, url='#', icon=None):
         self.key = key
-        self.label = label or key.capitalize()
+        self.label = label or prettify(key)
         self.icon = icon
         self.url = url
 

tailbone/static/css/forms.css

@@ -73,6 +73,10 @@ div.field-wrapper div.field {
     float: left;
     margin-bottom: 5px;
     line-height: 25px;
+
+    /* NOTE: This was added specifically for email settings (description),
+       who knows what it breaks...hopefully nothing. */
+    width: 800px;
 }
 
 div.field-wrapper div.field input[type=text],

tailbone/templates/email/profiles/view.mako

@@ -0,0 +1,30 @@
+## -*- coding: utf-8 -*-
+<%inherit file="/master/view.mako" />
+
+<%def name="head_tags()">
+  ${parent.head_tags()}
+  <script type="text/javascript">
+    % if not email.get_template('html'):
+      $(function() {
+          $('#preview-html').button('disable');
+          $('#preview-html').attr('title', "There is no HTML template on file for this email.");
+      });
+    % endif
+    % if not email.get_template('txt'):
+      $(function() {
+          $('#preview-txt').button('disable');
+          $('#preview-txt').attr('title', "There is no TXT template on file for this email.");
+      });
+    % endif
+  </script>
+</%def>
+
+${parent.body()}
+
+<form action="${url('email.preview')}" name="send-email-preview" method="post">
+  <a id="preview-html" class="button" href="${url('email.preview')}?key=${instance['key']}&amp;type=html" target="_blank">Preview HTML</a>
+  <a id="preview-txt" class="button" href="${url('email.preview')}?key=${instance['key']}&amp;type=txt" target="_blank">Preview TXT</a>
+  or
+  <input type="text" name="recipient" value="${request.user.email_address}" />
+  <input type="submit" name="send_${instance['key']}" value="Send Preview Email" />
+</form>

tailbone/templates/forms/form.mako

@@ -2,7 +2,7 @@
 <div class="form">
   ${h.form(form.action_url, id=form_id or None, method='post', enctype='multipart/form-data')}
 
-  ${form.fieldset.render()|n}
+  ${form.render_fields()|n}
 
   % if buttons:
       ${buttons|n}

tailbone/templates/forms/form_readonly.mako

@@ -1,6 +1,6 @@
 ## -*- coding: utf-8 -*-
 <div class="form">
-  ${form.fieldset.render()|n}
+  ${form.render_fields()|n}
   % if buttons:
       ${buttons|n}
   % endif

tailbone/templates/master/view.mako

@@ -1,7 +1,7 @@
 ## -*- coding: utf-8 -*-
 <%inherit file="/base.mako" />
 
-<%def name="title()">${model_title}: ${unicode(instance)}</%def>
+<%def name="title()">${model_title}: ${instance_title}</%def>
 
 <%def name="context_menu_items()">
   <li>${h.link_to("Back to {0}".format(model_title_plural), url(route_prefix))}</li>

tailbone/views/email.py

@@ -0,0 +1,196 @@
+# -*- coding: utf-8 -*-
+################################################################################
+#
+#  Rattail -- Retail Software Framework
+#  Copyright © 2010-2015 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 Affero 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 Affero General Public License for
+#  more details.
+#
+#  You should have received a copy of the GNU Affero General Public License
+#  along with Rattail.  If not, see <http://www.gnu.org/licenses/>.
+#
+################################################################################
+"""
+Email Views
+"""
+
+from __future__ import unicode_literals, absolute_import
+
+from pyramid.httpexceptions import HTTPFound
+
+from rattail import mail
+
+from tailbone import forms
+from tailbone.views import MasterView, View
+from tailbone.newgrids import Grid, GridColumn
+
+
+class ProfilesView(MasterView):
+    """
+    Master view for email admin (settings/preview).
+    """
+    normalized_model_name = 'emailprofile'
+    model_title = "Email Profile"
+    model_key = 'key'
+    url_prefix = '/email/profiles'
+
+    grid_factory = Grid
+    filterable = False
+    pageable = False
+
+    creatable = False
+    editable = False
+    deletable = False
+
+    def get_data(self, session=None):
+        data = []
+        for email in mail.iter_emails(self.rattail_config):
+            key = email.key or email.__name__
+            email = email(self.rattail_config, key)
+            data.append(self.normalize(email))
+        return data
+
+    def normalize(self, email):
+        return {
+            'key': email.key,
+            'description': email.__doc__,
+            'prefix': email.get_prefix(),
+            'subject': email.get_subject(),
+            'sender': email.get_sender(),
+            'replyto': email.get_replyto(),
+            'to': email.get_recips('to'),
+            'cc': email.get_recips('cc'),
+            'bcc': email.get_recips('bcc'),
+        }
+
+    def configure_grid(self, g):
+        g.columns = [
+            GridColumn('key'),
+            GridColumn('prefix'),
+            GridColumn('subject'),
+        ]
+
+        g.sorters['key'] = g.make_sorter('key', foldcase=True)
+        g.sorters['prefix'] = g.make_sorter('prefix', foldcase=True)
+        g.sorters['subject'] = g.make_sorter('subject', foldcase=True)
+        g.default_sortkey = 'subject'
+
+        # g.main_actions = []
+        g.more_actions = []
+
+    def get_instance(self):
+        key = self.request.matchdict['key']
+        return self.normalize(mail.get_email(self.rattail_config, key))
+
+    def get_instance_title(self, email):
+        return email['key']
+
+    def make_form(self, email, **kwargs):
+        """
+        Make a simple form for use with CRUD views.
+        """
+        # TODO: This needs all kinds of help still...
+
+        class EmailSchema(forms.Schema):
+            pass
+
+        form = forms.SimpleForm(self.request, schema=EmailSchema(), obj=email)
+        form.creating = self.creating
+        form.editing = self.editing
+        form.readonly = self.viewing
+
+        if self.creating:
+            form.cancel_url = self.get_index_url()
+        else:
+            form.cancel_url = self.get_action_url('view', email)
+
+        form.fieldset = forms.FieldSet()
+        form.fieldset.fields['key'] = forms.Field('key', value=email['key'])
+        form.fieldset.fields['prefix'] = forms.Field('prefix', value=email['prefix'], label="Subject Prefix")
+        form.fieldset.fields['subject'] = forms.Field('subject', value=email['subject'], label="Subject Text")
+        form.fieldset.fields['description'] = forms.Field('description', value=email['description'])
+        form.fieldset.fields['sender'] = forms.Field('sender', value=email['sender'], label="From")
+        form.fieldset.fields['replyto'] = forms.Field('replyto', value=email['replyto'], label="Reply-To")
+        form.fieldset.fields['to'] = forms.Field('to', value=', '.join(email['to']) if email['to'] else None)
+        form.fieldset.fields['cc'] = forms.Field('cc', value=', '.join(email['cc']) if email['cc'] else None)
+        form.fieldset.fields['bcc'] = forms.Field('bcc', value=', '.join(email['bcc']) if email['bcc'] else None)
+
+        return form
+
+    def template_kwargs_view(self, **kwargs):
+        key = self.request.matchdict['key']
+        kwargs['email'] = mail.get_email(self.rattail_config, key)
+        return kwargs
+
+
+class EmailPreview(View):
+    """
+    Lists available email templates, and can show previews of each.
+    """
+
+    def __call__(self):
+
+        # Forms submitted via POST are only used for sending emails.
+        if self.request.method == 'POST':
+            self.email_template()
+            return HTTPFound(location=self.request.get_referrer(
+                default=self.request.route_url('emailprofiles')))
+
+        # Maybe render a preview?
+        key = self.request.GET.get('key')
+        if key:
+            type_ = self.request.GET.get('type', 'html')
+            return self.preview_template(key, type_)
+
+        assert False, "should not be here"
+
+    def email_template(self):
+        recipient = self.request.POST.get('recipient')
+        if recipient:
+            keys = filter(lambda k: k.startswith('send_'), self.request.POST.iterkeys())
+            key = keys[0][5:] if keys else None
+            if key:
+                email = mail.get_email(self.rattail_config, key)
+                data = email.sample_data(self.request)
+                msg = email.make_message(data)
+
+                subject = msg['Subject']
+                del msg['Subject']
+                msg['Subject'] = "[preview] {0}".format(subject)
+
+                del msg['To']
+                del msg['Cc']
+                del msg['Bcc']
+                msg['To'] = recipient
+
+                mail.deliver_message(self.rattail_config, msg)
+
+                self.request.session.flash("Preview for '{0}' was emailed to {1}".format(key, recipient))
+
+    def preview_template(self, key, type_):
+        email = mail.get_email(self.rattail_config, key)
+        template = email.get_template(type_)
+        data = email.sample_data(self.request)
+        self.request.response.text = template.render(**data)
+        if type_ == 'txt':
+            self.request.response.content_type = b'text/plain'
+        return self.request.response
+
+
+def includeme(config):
+    ProfilesView.defaults(config)
+
+    config.add_route('email.preview', '/email/preview/')
+    config.add_view(EmailPreview, route_name='email.preview',
+                    renderer='/email/preview.mako',
+                    permission='admin')

tailbone/views/master.py

@@ -35,15 +35,18 @@ import formalchemy
 from pyramid.renderers import get_renderer, render_to_response
 from pyramid.httpexceptions import HTTPFound, HTTPNotFound
 
+from tailbone import forms
 from tailbone.views import View
 from tailbone.newgrids import filters, AlchemyGrid, GridAction
-from tailbone.forms import AlchemyForm
 
 
 class MasterView(View):
     """
     Base "master" view class.  All model master views should derive from this.
     """
+    filterable = True
+    pageable = True
+
     creatable = True
     viewable = True
     editable = True
@@ -115,7 +118,12 @@ class MasterView(View):
         instance = self.get_instance()
         form = self.make_form(instance)
         return self.render_to_response('view', {
-            'instance': instance, 'form': form})
+            'instance': instance,
+            'form': form,
+            'instance_title': self.get_instance_title(instance)})
+
+    def get_instance_title(self, instance):
+        return unicode(instance)
 
     def edit(self):
         """
@@ -156,13 +164,13 @@ class MasterView(View):
     ##############################
 
     @classmethod
-    def get_model_class(cls):
+    def get_model_class(cls, error=True):
         """
         Returns the data model class for which the master view exists.
         """
-        if not hasattr(cls, 'model_class'):
+        if not hasattr(cls, 'model_class') and error:
             raise NotImplementedError("You must define the `model_class` for: {0}".format(cls))
-        return cls.model_class
+        return getattr(cls, 'model_class', None)
 
     @classmethod
     def get_normalized_model_name(cls):
@@ -172,7 +180,9 @@ class MasterView(View):
         otherwise it will be a simple lower-cased version of the associated
         model class name.
         """
-        return getattr(cls, 'normalized_model_name', cls.get_model_class().__name__.lower())
+        if hasattr(cls, 'normalized_model_name'):
+            return cls.normalized_model_name
+        return cls.get_model_class().__name__.lower()
 
     @classmethod
     def get_model_key(cls):
@@ -189,7 +199,9 @@ class MasterView(View):
         """
         Return a "humanized" version of the model name, for display in templates.
         """
-        return getattr(cls, 'model_title', cls.model_class.__name__)
+        if hasattr(cls, 'model_title'):
+            return cls.model_title
+        return cls.model_class.__name__
 
     @classmethod
     def get_model_title_plural(cls):
@@ -313,11 +325,11 @@ class MasterView(View):
         """
         return {
             'width': 'full',
-            'filterable': True,
+            'filterable': self.filterable,
             'sortable': True,
             'default_sortkey': getattr(self, 'default_sortkey', None),
             'sortdir': getattr(self, 'sortdir', 'asc'),
-            'pageable': True,
+            'pageable': self.pageable,
             'main_actions': self.get_main_actions(),
             'more_actions': self.get_more_actions(),
             'checkbox': self.checkbox,
@@ -383,10 +395,14 @@ class MasterView(View):
         """
         Hopefully generic kwarg generator for basic action routes.
         """
-        mapper = orm.object_mapper(row)
+        try:
-        keys = [k.key for k in mapper.primary_key]
+            mapper = orm.object_mapper(row)
-        values = [getattr(row, k) for k in keys]
+        except orm.exc.UnmappedInstanceError:
-        return dict(zip(keys, values))
+            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 make_grid(self):
         """
@@ -394,10 +410,9 @@ class MasterView(View):
         """
         factory = self.get_grid_factory()
         key = self.get_grid_key()
-        data = self.make_query()
+        data = self.get_data()
         kwargs = self.make_grid_kwargs()
-        grid = factory(key, self.request, data=data, model_class=self.model_class, **kwargs)
+        grid = factory(key, self.request, data=data, model_class=self.get_model_class(error=False), **kwargs)
-        grid._fa_grid.prettify = prettify
         self.configure_grid(grid)
         grid.load_settings()
         return grid
@@ -413,12 +428,17 @@ class MasterView(View):
         This requirement is a result of using FormAlchemy under the hood, and
         it is in fact a call to :meth:`formalchemy:formalchemy.tables.Grid.configure()`.
         """
-        grid.configure()
+        if hasattr(grid, 'configure'):
+            grid.configure()
 
-    def make_query(self, session=None):
+    def get_data(self, session=None):
         """
-        Make the base query to be used for the grid.  Subclasses should not
+        Generate the base data set for the grid.  This typically will be a
-        override this method; override :meth:`query()` instead.
+        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()
@@ -484,7 +504,7 @@ class MasterView(View):
             kwargs.setdefault('cancel_url', self.get_index_url())
         else:
             kwargs.setdefault('cancel_url', self.get_action_url('view', instance))
-        form = AlchemyForm(self.request, fieldset, **kwargs)
+        form = forms.AlchemyForm(self.request, fieldset, **kwargs)
         form.readonly = self.viewing
         return form