1 # -*- coding: utf-8 -*-
2 ##############################################################################
4 # OpenERP, Open Source Management Solution
5 # Copyright (C) 2004-2010 Tiny SPRL (<http://tiny.be>).
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 ##############################################################################
22 from datetime import datetime, timedelta
26 from openerp import SUPERUSER_ID
27 from openerp.osv import fields, osv
28 from openerp.tools import DEFAULT_SERVER_DATETIME_FORMAT
30 _logger = logging.getLogger(__name__)
32 DATE_RANGE_FUNCTION = {
33 'minutes': lambda interval: timedelta(minutes=interval),
34 'hour': lambda interval: timedelta(hours=interval),
35 'day': lambda interval: timedelta(days=interval),
36 'month': lambda interval: timedelta(months=interval),
37 False: lambda interval: timedelta(0),
40 def get_datetime(date_str):
41 '''Return a datetime from a date string or a datetime string'''
42 # complete date time if date_str contains only a date
43 if ' ' not in date_str:
44 date_str = date_str + " 00:00:00"
45 return datetime.strptime(date_str, DEFAULT_SERVER_DATETIME_FORMAT)
48 class base_action_rule(osv.osv):
49 """ Base Action Rules """
51 _name = 'base.action.rule'
52 _description = 'Action Rules'
55 'name': fields.char('Rule Name', size=64, required=True),
56 'model_id': fields.many2one('ir.model', 'Related Document Model',
57 required=True, domain=[('osv_memory', '=', False)]),
58 'model': fields.related('model_id', 'model', type="char", size=256, string='Model'),
59 'create_date': fields.datetime('Create Date', readonly=1),
60 'active': fields.boolean('Active',
61 help="When unchecked, the rule is hidden and will not be executed."),
62 'sequence': fields.integer('Sequence',
63 help="Gives the sequence order when displaying a list of rules."),
64 'trg_date_id': fields.many2one('ir.model.fields', string='Trigger Date',
65 domain="[('model_id', '=', model_id), ('ttype', 'in', ('date', 'datetime'))]"),
66 'trg_date_range': fields.integer('Delay after trigger date',
67 help="Delay after the trigger date." \
68 "You can put a negative number if you need a delay before the" \
69 "trigger date, like sending a reminder 15 minutes before a meeting."),
70 'trg_date_range_type': fields.selection([('minutes', 'Minutes'), ('hour', 'Hours'),
71 ('day', 'Days'), ('month', 'Months')], 'Delay type'),
72 'act_user_id': fields.many2one('res.users', 'Set Responsible'),
73 'act_followers': fields.many2many("res.partner", string="Add Followers"),
74 'server_action_ids': fields.many2many('ir.actions.server', string='Server Actions',
75 domain="[('model_id', '=', model_id)]",
76 help="Examples: email reminders, call object service, etc."),
77 'filter_pre_id': fields.many2one('ir.filters', string='Before Update Filter',
79 domain="[('model_id', '=', model_id.model)]",
80 help="If present, this condition must be satisfied before the update of the record."),
81 'filter_id': fields.many2one('ir.filters', string='After Update Filter',
83 domain="[('model_id', '=', model_id.model)]",
84 help="If present, this condition must be satisfied after the update of the record."),
85 'last_run': fields.datetime('Last Run', readonly=1),
90 'trg_date_range_type': 'day',
95 def _filter(self, cr, uid, action, action_filter, record_ids, context=None):
96 """ filter the list record_ids that satisfy the action filter """
97 if record_ids and action_filter:
98 assert action.model == action_filter.model_id, "Filter model different from action rule model"
99 model = self.pool.get(action_filter.model_id)
100 domain = [('id', 'in', record_ids)] + eval(action_filter.domain)
101 ctx = dict(context or {})
102 ctx.update(eval(action_filter.context))
103 record_ids = model.search(cr, uid, domain, context=ctx)
106 def _process(self, cr, uid, action, record_ids, context=None):
107 """ process the given action on the records """
108 # execute server actions
109 model = self.pool.get(action.model_id.model)
110 if action.server_action_ids:
111 server_action_ids = map(int, action.server_action_ids)
112 for record in model.browse(cr, uid, record_ids, context):
113 action_server_obj = self.pool.get('ir.actions.server')
114 ctx = dict(context, active_model=model._name, active_ids=[record.id], active_id=record.id)
115 action_server_obj.run(cr, uid, server_action_ids, context=ctx)
119 if 'date_action_last' in model._all_columns:
120 values['date_action_last'] = time.strftime(DEFAULT_SERVER_DATETIME_FORMAT)
121 if action.act_user_id and 'user_id' in model._all_columns:
122 values['user_id'] = action.act_user_id.id
124 model.write(cr, uid, record_ids, values, context=context)
126 if action.act_followers and hasattr(model, 'message_subscribe'):
127 follower_ids = map(int, action.act_followers)
128 model.message_subscribe(cr, uid, record_ids, follower_ids, context=context)
132 def _wrap_create(self, old_create, model):
133 """ Return a wrapper around `old_create` calling both `old_create` and
134 `_process`, in that order.
136 def wrapper(cr, uid, vals, context=None):
137 # avoid loops or cascading actions
138 if context and context.get('action'):
139 return old_create(cr, uid, vals, context=context)
141 context = dict(context or {}, action=True)
142 new_id = old_create(cr, uid, vals, context=context)
144 # as it is a new record, we do not consider the actions that have a prefilter
145 action_dom = [('model', '=', model), ('trg_date_id', '=', False), ('filter_pre_id', '=', False)]
146 action_ids = self.search(cr, uid, action_dom, context=context)
148 # check postconditions, and execute actions on the records that satisfy them
149 for action in self.browse(cr, uid, action_ids, context=context):
150 if self._filter(cr, uid, action, action.filter_id, [new_id], context=context):
151 self._process(cr, uid, action, [new_id], context=context)
156 def _wrap_write(self, old_write, model):
157 """ Return a wrapper around `old_write` calling both `old_write` and
158 `_process`, in that order.
160 def wrapper(cr, uid, ids, vals, context=None):
161 # avoid loops or cascading actions
162 if context and context.get('action'):
163 return old_write(cr, uid, ids, vals, context=context)
165 context = dict(context or {}, action=True)
166 ids = [ids] if isinstance(ids, (int, long, str)) else ids
168 # retrieve the action rules to possibly execute
169 action_dom = [('model', '=', model), ('trg_date_id', '=', False)]
170 action_ids = self.search(cr, uid, action_dom, context=context)
171 actions = self.browse(cr, uid, action_ids, context=context)
173 # check preconditions
175 for action in actions:
176 pre_ids[action] = self._filter(cr, uid, action, action.filter_pre_id, ids, context=context)
179 old_write(cr, uid, ids, vals, context=context)
181 # check postconditions, and execute actions on the records that satisfy them
182 for action in actions:
183 post_ids = self._filter(cr, uid, action, action.filter_id, pre_ids[action], context=context)
185 self._process(cr, uid, action, post_ids, context=context)
190 def _register_hook(self, cr, ids=None):
191 """ Wrap the methods `create` and `write` of the models specified by
192 the rules given by `ids` (or all existing rules if `ids` is `None`.)
195 ids = self.search(cr, SUPERUSER_ID, [])
196 for action_rule in self.browse(cr, SUPERUSER_ID, ids):
197 model = action_rule.model_id.model
198 model_obj = self.pool.get(model)
199 if not hasattr(model_obj, 'base_action_ruled'):
200 model_obj.create = self._wrap_create(model_obj.create, model)
201 model_obj.write = self._wrap_write(model_obj.write, model)
202 model_obj.base_action_ruled = True
205 def create(self, cr, uid, vals, context=None):
206 res_id = super(base_action_rule, self).create(cr, uid, vals, context=context)
207 self._register_hook(cr, [res_id])
210 def write(self, cr, uid, ids, vals, context=None):
211 if isinstance(ids, (int, long)):
213 super(base_action_rule, self).write(cr, uid, ids, vals, context=context)
214 self._register_hook(cr, ids)
217 def _check(self, cr, uid, automatic=False, use_new_cursor=False, context=None):
218 """ This Function is called by scheduler. """
219 context = context or {}
220 # retrieve all the action rules that have a trg_date_id and no precondition
221 action_dom = [('trg_date_id', '!=', False), ('filter_pre_id', '=', False)]
222 action_ids = self.search(cr, uid, action_dom, context=context)
223 for action in self.browse(cr, uid, action_ids, context=context):
225 last_run = get_datetime(action.last_run) if action.last_run else False
227 # retrieve all the records that satisfy the action's condition
228 model = self.pool.get(action.model_id.model)
232 domain = eval(action.filter_id.domain)
233 ctx.update(eval(action.filter_id.context))
234 record_ids = model.search(cr, uid, domain, context=ctx)
236 # determine when action should occur for the records
237 date_field = action.trg_date_id.name
238 if date_field == 'date_action_last' and 'create_date' in model._all_columns:
239 get_record_dt = lambda record: record[date_field] or record.create_date
241 get_record_dt = lambda record: record[date_field]
243 delay = DATE_RANGE_FUNCTION[action.trg_date_range_type](action.trg_date_range)
245 # process action on the records that should be executed
246 for record in model.browse(cr, uid, record_ids, context=context):
247 record_dt = get_record_dt(record)
250 action_dt = get_datetime(record_dt) + delay
251 if last_run and (last_run <= action_dt < now) or (action_dt < now):
253 self._process(cr, uid, action, [record.id], context=context)
256 _logger.error(traceback.format_exc())
258 action.write({'last_run': now.strftime(DEFAULT_SERVER_DATETIME_FORMAT)})