1 # -*- coding: utf-8 -*-
2 ##############################################################################
4 # OpenERP, Open Source Management Solution
5 # Copyright (C) 2010-today OpenERP SA (<http://www.openerp.com>)
7 # This program is free software: you can redistribute it and/or modify
8 # it under the terms of the GNU Affero General Public License as
9 # published by the Free Software Foundation, either version 3 of the
10 # License, or (at your option) any later version
12 # This program is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU Affero General Public License for more details
17 # You should have received a copy of the GNU Affero General Public License
18 # along with this program. If not, see <http://www.gnu.org/licenses/>
20 ##############################################################################
25 import openerp.tools as tools
26 from operator import itemgetter
28 from osv import fields
32 from tools.translate import _
34 class mail_group(osv.osv):
36 A mail_group is a collection of users sharing messages in a discussion
37 group. Group users are users that follow the mail group, using the
38 subscription/follow mechanism of OpenSocial. A mail group has nothing
39 in common with res.users.group.
40 Additional information on fields:
41 - ``member_ids``: user member of the groups are calculated with
42 ``message_get_subscribers`` method from mail.thread
43 - ``member_count``: calculated with member_ids
44 - ``is_subscriber``: calculated with member_ids
48 _description = 'Discussion group'
50 _inherit = ['mail.thread']
52 def onchange_photo(self, cr, uid, ids, value, context=None):
54 return {'value': {'avatar_big': value, 'avatar': value} }
55 return {'value': {'photo_big': value, 'photo': self._photo_resize(cr, uid, value) } }
57 def _set_photo(self, cr, uid, id, name, value, args, context=None):
59 return self.write(cr, uid, [id], {'photo_big': value}, context=context)
61 return self.write(cr, uid, [id], {'photo_big': value}, context=context)
63 def _photo_resize(self, cr, uid, photo, width=128, height=128, context=None):
64 image_stream = io.BytesIO(photo.decode('base64'))
65 img = Image.open(image_stream)
66 img.thumbnail((width, height), Image.ANTIALIAS)
67 img_stream = StringIO.StringIO()
68 img.save(img_stream, "JPEG")
69 return img_stream.getvalue().encode('base64')
71 def _get_photo(self, cr, uid, ids, name, args, context=None):
72 result = dict.fromkeys(ids, False)
73 for group in self.browse(cr, uid, ids, context=context):
75 result[group.id] = self._photo_resize(cr, uid, group.photo_big, context=context)
78 def get_member_ids(self, cr, uid, ids, field_names, args, context=None):
81 result = dict.fromkeys(ids)
84 result[id]['member_ids'] = self.message_get_subscribers(cr, uid, [id], context=context)
85 result[id]['member_count'] = len(result[id]['member_ids'])
86 result[id]['is_subscriber'] = uid in result[id]['member_ids']
89 def search_member_ids(self, cr, uid, obj, name, args, context=None):
92 sub_obj = self.pool.get('mail.subscription')
93 sub_ids = sub_obj.search(cr, uid, ['&', ('res_model', '=', obj._name), ('user_id', '=', args[0][2])], context=context)
94 subs = sub_obj.read(cr, uid, sub_ids, context=context)
95 return [('id', 'in', map(itemgetter('res_id'), subs))]
97 def get_last_month_msg_nbr(self, cr, uid, ids, name, args, context=None):
99 message_obj = self.pool.get('mail.message')
101 lower_date = (DT.datetime.now() - DT.timedelta(days=30)).strftime(tools.DEFAULT_SERVER_DATE_FORMAT)
102 result[id] = self.message_search(cr, uid, [id], limit=None, domain=[('date', '>=', lower_date)], count=True, context=context)
105 def _get_default_photo(self, cr, uid, context=None):
106 avatar_path = openerp.modules.get_module_resource('mail', 'static/src/img', 'groupdefault.png')
107 return self._photo_resize(cr, uid, open(avatar_path, 'rb').read().encode('base64'), context=context)
110 'name': fields.char('Name', size=64, required=True),
111 'description': fields.text('Description'),
112 'responsible_id': fields.many2one('res.users', string='Responsible',
113 ondelete='set null', required=True, select=1,
114 help="Responsible of the group that has all rights on the record."),
115 'public': fields.boolean('Visible by non members', help='This group is visible by non members. \
116 Invisible groups can add members through the invite button.'),
117 'group_ids': fields.many2many('res.groups', rel='mail_group_res_group_rel',
118 id1='mail_group_id', id2='groups_id', string='Linked groups',
119 help="Members of those groups will automatically added as followers. "\
120 "Note that they will be able to manage their subscription manually "\
122 'photo_big': fields.binary('Full-size photo',
123 help='Field holding the full-sized PIL-supported and base64 encoded "\
124 version of the group image. The photo field is used as an "\
125 interface for this field.'),
126 'photo': fields.function(_get_photo, fnct_inv=_set_photo,
127 string='Photo', type="binary",
129 'mail.group': (lambda self, cr, uid, ids, c={}: ids, ['photo_big'], 10),
131 help='Field holding the automatically resized (128x128) PIL-supported and base64 encoded version of the group image.'),
132 'member_ids': fields.function(get_member_ids, fnct_search=search_member_ids,
133 type='many2many', relation='res.users', string='Group members', multi='get_member_ids'),
134 'member_count': fields.function(get_member_ids, type='integer',
135 string='Member count', multi='get_member_ids'),
136 'is_subscriber': fields.function(get_member_ids, type='boolean',
137 string='Joined', multi='get_member_ids'),
138 'last_month_msg_nbr': fields.function(get_last_month_msg_nbr, type='integer',
139 string='Messages count for last month'),
144 'responsible_id': (lambda s, cr, uid, ctx: uid),
145 'photo': _get_default_photo,
148 def _subscribe_user_with_group_m2m_command(self, cr, uid, ids, group_ids_command, context=None):
149 # form: {'group_ids': [(3, 10), (3, 3), (4, 10), (4, 3)]} or {'group_ids': [(6, 0, [ids]}
150 user_group_ids = [command[1] for command in group_ids_command if command[0] == 4]
151 user_group_ids += [id for command in group_ids_command if command[0] == 6 for id in command[2]]
152 # retrieve the user member of those groups
154 res_groups_obj = self.pool.get('res.groups')
155 for group in res_groups_obj.browse(cr, uid, user_group_ids, context=context):
156 user_ids += [user.id for user in group.users]
157 # subscribe the users
158 return self.message_subscribe(cr, uid, ids, user_ids, context=context)
160 def create(self, cr, uid, vals, context=None):
161 mail_group_id = super(mail_group, self).create(cr, uid, vals, context=context)
162 if vals.get('group_ids'):
163 self._subscribe_user_with_group_m2m_command(cr, uid, [mail_group_id], vals.get('group_ids'), context=context)
166 def write(self, cr, uid, ids, vals, context=None):
167 if vals.get('group_ids'):
168 self._subscribe_user_with_group_m2m_command(cr, uid, ids, vals.get('group_ids'), context=context)
169 return super(mail_group, self).write(cr, uid, ids, vals, context=context)
171 def action_group_join(self, cr, uid, ids, context=None):
172 return self.message_subscribe(cr, uid, ids, context=context)
174 def action_group_leave(self, cr, uid, ids, context=None):
175 return self.message_unsubscribe(cr, uid, ids, context=context)