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'
56 'name': fields.char('Rule Name', size=64, required=True),
57 'model_id': fields.many2one('ir.model', 'Related Document Model',
58 required=True, domain=[('osv_memory', '=', False)]),
59 'model': fields.related('model_id', 'model', type="char", size=256, string='Model'),
60 'create_date': fields.datetime('Create Date', readonly=1),
61 'active': fields.boolean('Active',
62 help="When unchecked, the rule is hidden and will not be executed."),
63 'sequence': fields.integer('Sequence',
64 help="Gives the sequence order when displaying a list of rules."),
65 'kind': fields.selection(
66 [('on_create', 'On Creation'),
67 ('on_write', 'On Update'),
68 ('on_create_or_write', 'On Creation & Update'),
69 ('on_time', 'Based on Timed Condition')],
70 string='When to Run'),
71 'trg_date_id': fields.many2one('ir.model.fields', string='Trigger Date',
72 help="When should the condition be triggered. If present, will be checked by the scheduler. If empty, will be checked at creation and update.",
73 domain="[('model_id', '=', model_id), ('ttype', 'in', ('date', 'datetime'))]"),
74 'trg_date_range': fields.integer('Delay after trigger date',
75 help="Delay after the trigger date." \
76 "You can put a negative number if you need a delay before the" \
77 "trigger date, like sending a reminder 15 minutes before a meeting."),
78 'trg_date_range_type': fields.selection([('minutes', 'Minutes'), ('hour', 'Hours'),
79 ('day', 'Days'), ('month', 'Months')], 'Delay type'),
80 'act_user_id': fields.many2one('res.users', 'Set Responsible'),
81 'act_followers': fields.many2many("res.partner", string="Add Followers"),
82 'server_action_ids': fields.many2many('ir.actions.server', string='Server Actions',
83 domain="[('model_id', '=', model_id)]",
84 help="Examples: email reminders, call object service, etc."),
85 'filter_pre_id': fields.many2one('ir.filters', string='Before Update Filter',
87 domain="[('model_id', '=', model_id.model)]",
88 help="If present, this condition must be satisfied before the update of the record."),
89 'filter_id': fields.many2one('ir.filters', string='Filter',
91 domain="[('model_id', '=', model_id.model)]",
92 help="If present, this condition must be satisfied before executing the action rule."),
93 'last_run': fields.datetime('Last Run', readonly=1),
98 'trg_date_range_type': 'day',
101 def onchange_kind(self, cr, uid, ids, kind, context=None):
103 if kind in ['on_create', 'on_create_or_write']:
104 clear_fields = ['filter_pre_id', 'trg_date_id', 'trg_date_range', 'trg_date_range_type']
105 elif kind in ['on_write', 'on_create_or_write']:
106 clear_fields = ['trg_date_id', 'trg_date_range', 'trg_date_range_type']
107 elif kind == 'on_time':
108 clear_fields = ['filter_pre_id']
109 return {'value': dict.fromkeys(clear_fields, False)}
111 def _filter(self, cr, uid, action, action_filter, record_ids, context=None):
112 """ filter the list record_ids that satisfy the action filter """
113 if record_ids and action_filter:
114 assert action.model == action_filter.model_id, "Filter model different from action rule model"
115 model = self.pool[action_filter.model_id]
116 domain = [('id', 'in', record_ids)] + eval(action_filter.domain)
117 ctx = dict(context or {})
118 ctx.update(eval(action_filter.context))
119 record_ids = model.search(cr, uid, domain, context=ctx)
122 def _process(self, cr, uid, action, record_ids, context=None):
123 """ process the given action on the records """
124 model = self.pool[action.model_id.model]
128 if 'date_action_last' in model._all_columns:
129 values['date_action_last'] = time.strftime(DEFAULT_SERVER_DATETIME_FORMAT)
130 if action.act_user_id and 'user_id' in model._all_columns:
131 values['user_id'] = action.act_user_id.id
133 model.write(cr, uid, record_ids, values, context=context)
135 if action.act_followers and hasattr(model, 'message_subscribe'):
136 follower_ids = map(int, action.act_followers)
137 model.message_subscribe(cr, uid, record_ids, follower_ids, context=context)
139 # execute server actions
140 if action.server_action_ids:
141 server_action_ids = map(int, action.server_action_ids)
142 for record in model.browse(cr, uid, record_ids, context):
143 action_server_obj = self.pool.get('ir.actions.server')
144 ctx = dict(context, active_model=model._name, active_ids=[record.id], active_id=record.id)
145 action_server_obj.run(cr, uid, server_action_ids, context=ctx)
149 def _wrap_create(self, old_create, model):
150 """ Return a wrapper around `old_create` calling both `old_create` and
151 `_process`, in that order.
153 def create(cr, uid, vals, context=None):
154 # avoid loops or cascading actions
155 if context and context.get('action'):
156 return old_create(cr, uid, vals, context=context)
158 context = dict(context or {}, action=True)
159 new_id = old_create(cr, uid, vals, context=context)
161 # retrieve the action rules to run on creation
162 action_dom = [('model', '=', model), ('kind', 'in', ['on_create', 'on_create_or_write'])]
163 action_ids = self.search(cr, uid, action_dom, context=context)
165 # check postconditions, and execute actions on the records that satisfy them
166 for action in self.browse(cr, uid, action_ids, context=context):
167 if self._filter(cr, uid, action, action.filter_id, [new_id], context=context):
168 self._process(cr, uid, action, [new_id], context=context)
173 def _wrap_write(self, old_write, model):
174 """ Return a wrapper around `old_write` calling both `old_write` and
175 `_process`, in that order.
177 def write(cr, uid, ids, vals, context=None):
178 # avoid loops or cascading actions
179 if context and context.get('action'):
180 return old_write(cr, uid, ids, vals, context=context)
182 context = dict(context or {}, action=True)
183 ids = [ids] if isinstance(ids, (int, long, str)) else ids
185 # retrieve the action rules to run on update
186 action_dom = [('model', '=', model), ('kind', 'in', ['on_write', 'on_create_or_write'])]
187 action_ids = self.search(cr, uid, action_dom, context=context)
188 actions = self.browse(cr, uid, action_ids, context=context)
190 # check preconditions
192 for action in actions:
193 pre_ids[action] = self._filter(cr, uid, action, action.filter_pre_id, ids, context=context)
196 old_write(cr, uid, ids, vals, context=context)
198 # check postconditions, and execute actions on the records that satisfy them
199 for action in actions:
200 post_ids = self._filter(cr, uid, action, action.filter_id, pre_ids[action], context=context)
202 self._process(cr, uid, action, post_ids, context=context)
207 def _register_hook(self, cr, ids=None):
208 """ Wrap the methods `create` and `write` of the models specified by
209 the rules given by `ids` (or all existing rules if `ids` is `None`.)
212 ids = self.search(cr, SUPERUSER_ID, [])
213 for action_rule in self.browse(cr, SUPERUSER_ID, ids):
214 model = action_rule.model_id.model
215 model_obj = self.pool[model]
216 if not hasattr(model_obj, 'base_action_ruled'):
217 model_obj.create = self._wrap_create(model_obj.create, model)
218 model_obj.write = self._wrap_write(model_obj.write, model)
219 model_obj.base_action_ruled = True
222 def create(self, cr, uid, vals, context=None):
223 res_id = super(base_action_rule, self).create(cr, uid, vals, context=context)
224 self._register_hook(cr, [res_id])
227 def write(self, cr, uid, ids, vals, context=None):
228 if isinstance(ids, (int, long)):
230 super(base_action_rule, self).write(cr, uid, ids, vals, context=context)
231 self._register_hook(cr, ids)
234 def onchange_model_id(self, cr, uid, ids, model_id, context=None):
235 data = {'model': False, 'filter_pre_id': False, 'filter_id': False}
237 model = self.pool.get('ir.model').browse(cr, uid, model_id, context=context)
238 data.update({'model': model.model})
239 return {'value': data}
241 def _check(self, cr, uid, automatic=False, use_new_cursor=False, context=None):
242 """ This Function is called by scheduler. """
243 context = context or {}
244 # retrieve all the action rules to run based on a timed condition
245 action_dom = [('kind', '=', 'on_time')]
246 action_ids = self.search(cr, uid, action_dom, context=context)
247 for action in self.browse(cr, uid, action_ids, context=context):
249 last_run = get_datetime(action.last_run) if action.last_run else False
251 # retrieve all the records that satisfy the action's condition
252 model = self.pool[action.model_id.model]
256 domain = eval(action.filter_id.domain)
257 ctx.update(eval(action.filter_id.context))
258 record_ids = model.search(cr, uid, domain, context=ctx)
260 # determine when action should occur for the records
261 date_field = action.trg_date_id.name
262 if date_field == 'date_action_last' and 'create_date' in model._all_columns:
263 get_record_dt = lambda record: record[date_field] or record.create_date
265 get_record_dt = lambda record: record[date_field]
267 delay = DATE_RANGE_FUNCTION[action.trg_date_range_type](action.trg_date_range)
269 # process action on the records that should be executed
270 for record in model.browse(cr, uid, record_ids, context=context):
271 record_dt = get_record_dt(record)
274 action_dt = get_datetime(record_dt) + delay
275 if last_run and (last_run <= action_dt < now) or (action_dt < now):
277 self._process(cr, uid, action, [record.id], context=context)
280 _logger.error(traceback.format_exc())
282 action.write({'last_run': now.strftime(DEFAULT_SERVER_DATETIME_FORMAT)})