c1eaf28812
also add 'messaging_enabled' to global template context, so can include (or not) that stuff in the user menu
116 lines
3.6 KiB
Python
116 lines
3.6 KiB
Python
# -*- coding: utf-8; -*-
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################################################################################
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#
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# Rattail -- Retail Software Framework
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# Copyright © 2010-2018 Lance Edgar
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#
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# This file is part of Rattail.
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#
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# Rattail is free software: you can redistribute it and/or modify it under the
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# terms of the GNU General Public License as published by the Free Software
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# Foundation, either version 3 of the License, or (at your option) any later
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# version.
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#
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# Rattail is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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# details.
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#
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# You should have received a copy of the GNU General Public License along with
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# Rattail. If not, see <http://www.gnu.org/licenses/>.
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#
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################################################################################
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"""
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App Menus
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"""
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from __future__ import unicode_literals, absolute_import
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from rattail.core import Object
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from rattail.util import import_module_path
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class MenuGroup(Object):
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title = None
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items = None
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is_link = False
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class MenuItem(Object):
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title = None
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url = None
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target = None
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is_link = True
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is_sep = False
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class MenuSeparator(object):
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is_sep = True
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def make_simple_menus(request):
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"""
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Build the main menu list for the app.
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"""
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menus_module = import_module_path(
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request.rattail_config.require('tailbone', 'menus'))
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if not hasattr(menus_module, 'simple_menus') or not callable(menus_module.simple_menus):
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raise RuntimeError("module does not have a simple_menus() callable: {}".format(menus_module))
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# collect "simple" menus definition, but must refine that somewhat to
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# produce our final menus
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raw_menus = menus_module.simple_menus(request)
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final_menus = []
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for topitem in raw_menus:
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if topitem.get('type') == 'link':
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final_menus.append(
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MenuItem(title=topitem['title'],
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url=topitem['url'],
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target=topitem.get('target')))
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else: # assuming 'menu' type
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# figure out which ones the user has permission to access
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allowed = []
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for item in topitem['items']:
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if item.get('type') == 'sep':
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allowed.append(item)
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if item.get('perm'):
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if request.has_perm(item['perm']):
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allowed.append(item)
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else:
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allowed.append(item)
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if allowed:
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# user must have access to something; construct items for the menu
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menu_items = []
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for item in allowed:
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# separator
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if item.get('type') == 'sep':
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if menu_items and not menu_items[-1].is_sep:
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menu_items.append(MenuSeparator())
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# menu item
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else:
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menu_items.append(
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MenuItem(title=item['title'],
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url=item['url'],
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target=item.get('target')))
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# remove final separator if present
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if menu_items and menu_items[-1].is_sep:
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menu_items.pop()
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# only add if we wound up with something
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if menu_items:
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final_menus.append(
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MenuGroup(title=topitem['title'], items=menu_items))
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return final_menus
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