add category views

rattail/pyramid/templates/categories/base.mako

@@ -0,0 +1,2 @@
+<%inherit file="/base.mako" />
+${parent.body()}

rattail/pyramid/templates/categories/category.mako

@@ -0,0 +1,10 @@
+<%inherit file="/categories/base.mako" />
+<%inherit file="/crud.mako" />
+
+<%def name="crud_name()">Category</%def>
+
+<%def name="menu()">
+  <p>${h.link_to("Back to Categories", url('categories.list'))}</p>
+</%def>
+
+${parent.body()}

rattail/pyramid/templates/categories/index.mako

@@ -0,0 +1,12 @@
+<%inherit file="/categories/base.mako" />
+<%inherit file="/index.mako" />
+
+<%def name="title()">Categories</%def>
+
+<%def name="menu()">
+  % if request.has_perm('categories.create'):
+      <p>${h.link_to("Create a new Category", url('category.new'))}</p>
+  % endif
+</%def>
+
+${parent.body()}

rattail/pyramid/views/__init__.py

@@ -30,4 +30,5 @@
 def includeme(config):
     config.include('rattail.pyramid.views.batches')
     config.include('rattail.pyramid.views.departments')
+    config.include('rattail.pyramid.views.categories')
     config.include('rattail.pyramid.views.products')

rattail/pyramid/views/categories.py

@@ -0,0 +1,182 @@
+#!/usr/bin/env python
+# -*- coding: utf-8  -*-
+################################################################################
+#
+#  Rattail -- Retail Software Framework
+#  Copyright © 2010-2012 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/>.
+#
+################################################################################
+
+"""
+``rattail.pyramid.views.categories`` -- Category Views
+"""
+
+import transaction
+from pyramid.httpexceptions import HTTPFound
+
+from edbob.pyramid import filters
+from edbob.pyramid import forms
+from edbob.pyramid import grids
+from edbob.pyramid import Session
+
+import rattail
+
+
+def filter_map():
+    return filters.get_filter_map(
+        rattail.Category,
+        exact=['number'],
+        ilike=['name'])
+
+def search_config(request, fmap):
+    return filters.get_search_config(
+        'categories.list', request, fmap,
+        include_filter_name=True,
+        filter_type_name='lk')
+
+def search_form(config):
+    return filters.get_search_form(config)
+
+def grid_config(request, search, fmap):
+    return grids.get_grid_config(
+        'categories.list', request, search,
+        filter_map=fmap, sort='name',
+        deletable=True)
+
+def sort_map():
+    return grids.get_sort_map(
+        rattail.Category,
+        ['number', 'name'])
+
+def query(config):
+    smap = sort_map()
+    q = Session.query(rattail.Category)
+    q = filters.filter_query(q, config)
+    q = grids.sort_query(q, config, smap)
+    return q
+
+
+def categories(request):
+
+    fmap = filter_map()
+    config = search_config(request, fmap)
+    search = search_form(config)
+    config = grid_config(request, search, fmap)
+    categories = grids.get_pager(query, config)
+
+    g = forms.AlchemyGrid(
+        rattail.Category, categories, config,
+        gridurl=request.route_url('categories.list'),
+        objurl='category.edit', delurl='category.delete')
+
+    g.configure(
+        include=[
+            g.number,
+            g.name,
+            ],
+        readonly=True)
+
+    grid = g.render(class_='clickable categories')
+    return grids.render_grid(request, grid, search)
+
+
+def category_fieldset(category, request):
+    fs = forms.make_fieldset(category, url=request.route_url,
+                             url_action=request.current_route_url(),
+                             route_name='categories.list')
+    fs.configure(
+        include=[
+            fs.number,
+            fs.name,
+            ])
+    return fs
+
+
+def new_category(request):
+
+    fs = category_fieldset(rattail.Category, request)
+    if not fs.readonly and request.POST:
+        fs.rebind(data=request.params)
+        if fs.validate():
+
+            with transaction.manager:
+                fs.sync()
+                Session.add(fs.model)
+                Session.flush()
+                request.session.flash("%s \"%s\" has been %s." % (
+                        fs.crud_title, fs.get_display_text(),
+                        'updated' if fs.edit else 'created'))
+
+            return HTTPFound(location=request.route_url('categories.list'))
+
+    return {'fieldset': fs, 'crud': True}
+
+
+def edit_category(request):
+    """
+    View for editing a :class:`rattail.Category` instance.
+    """
+
+    uuid = request.matchdict['uuid']
+    category = Session.query(rattail.Category).get(uuid) if uuid else None
+    assert category
+
+    fs = category_fieldset(category, request)
+    if request.POST:
+        fs.rebind(data=request.params)
+        if fs.validate():
+
+            with transaction.manager:
+                fs.sync()
+                fs.model = Session.merge(fs.model)
+                request.session.flash("%s \"%s\" has been %s." % (
+                        fs.crud_title, fs.get_display_text(),
+                        'updated' if fs.edit else 'created'))
+                home = request.route_url('categories.list')
+
+            return HTTPFound(location=home)
+
+    return {'fieldset': fs, 'crud': True}
+
+
+def delete_category(request):
+    uuid = request.matchdict['uuid']
+    category = Session.query(rattail.Category).get(uuid) if uuid else None
+    assert category
+    with transaction.manager:
+        Session.delete(category)
+    return HTTPFound(location=request.route_url('categories.list'))
+
+
+def includeme(config):
+
+    config.add_route('categories.list', '/categories')
+    config.add_view(categories, route_name='categories.list', renderer='/categories/index.mako',
+                    permission='categories.list', http_cache=0)
+
+    config.add_route('category.new', '/categories/new')
+    config.add_view(new_category, route_name='category.new', renderer='/categories/category.mako',
+                    permission='categories.create', http_cache=0)
+
+    config.add_route('category.edit', '/categories/{uuid}/edit')
+    config.add_view(edit_category, route_name='category.edit', renderer='/categories/category.mako',
+                    permission='category.edit', http_cache=0)
+
+    config.add_route('category.delete', '/categories/{uuid}/delete')
+    config.add_view(delete_category, route_name='category.delete',
+                    permission='category.delete', http_cache=0)