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
27 from openerp import SUPERUSER_ID
28 from openerp.osv import fields, osv
29 from openerp.tools import DEFAULT_SERVER_DATETIME_FORMAT
31 _logger = logging.getLogger(__name__)
33 DATE_RANGE_FUNCTION = {
34 'minutes': lambda interval: timedelta(minutes=interval),
35 'hour': lambda interval: timedelta(hours=interval),
36 'day': lambda interval: timedelta(days=interval),
37 'month': lambda interval: timedelta(months=interval),
38 False: lambda interval: timedelta(0),
41 def get_datetime(date_str):
42 '''Return a datetime from a date string or a datetime string'''
43 # complete date time if date_str contains only a date
44 if ' ' not in date_str:
45 date_str = date_str + " 00:00:00"
46 return datetime.strptime(date_str, DEFAULT_SERVER_DATETIME_FORMAT)
49 class base_action_rule(osv.osv):
50 """ Base Action Rules """
52 _name = 'base.action.rule'
53 _description = 'Action Rules'
57 'name': fields.char('Rule Name', required=True),
58 'model_id': fields.many2one('ir.model', 'Related Document Model',
59 required=True, domain=[('osv_memory', '=', False)]),
60 'model': fields.related('model_id', 'model', type="char", string='Model'),
61 'create_date': fields.datetime('Create Date', readonly=1),
62 'active': fields.boolean('Active',
63 help="When unchecked, the rule is hidden and will not be executed."),
64 'sequence': fields.integer('Sequence',
65 help="Gives the sequence order when displaying a list of rules."),
66 'kind': fields.selection(
67 [('on_create', 'On Creation'),
68 ('on_write', 'On Update'),
69 ('on_create_or_write', 'On Creation & Update'),
70 ('on_time', 'Based on Timed Condition')],
71 string='When to Run'),
72 'trg_date_id': fields.many2one('ir.model.fields', string='Trigger Date',
73 help="When should the condition be triggered. If present, will be checked by the scheduler. If empty, will be checked at creation and update.",
74 domain="[('model_id', '=', model_id), ('ttype', 'in', ('date', 'datetime'))]"),
75 'trg_date_range': fields.integer('Delay after trigger date',
76 help="Delay after the trigger date." \
77 "You can put a negative number if you need a delay before the" \
78 "trigger date, like sending a reminder 15 minutes before a meeting."),
79 'trg_date_range_type': fields.selection([('minutes', 'Minutes'), ('hour', 'Hours'),
80 ('day', 'Days'), ('month', 'Months')], 'Delay type'),
81 'trg_date_calendar_id': fields.many2one(
82 'resource.calendar', 'Use Calendar',
83 help='When calculating a day-based timed condition, it is possible to use a calendar to compute the date based on working days.',
86 'act_user_id': fields.many2one('res.users', 'Set Responsible'),
87 'act_followers': fields.many2many("res.partner", string="Add Followers"),
88 'server_action_ids': fields.many2many('ir.actions.server', string='Server Actions',
89 domain="[('model_id', '=', model_id)]",
90 help="Examples: email reminders, call object service, etc."),
91 'filter_pre_id': fields.many2one('ir.filters', string='Before Update Filter',
93 domain="[('model_id', '=', model_id.model)]",
94 help="If present, this condition must be satisfied before the update of the record."),
95 'filter_id': fields.many2one('ir.filters', string='Filter',
97 domain="[('model_id', '=', model_id.model)]",
98 help="If present, this condition must be satisfied before executing the action rule."),
99 'last_run': fields.datetime('Last Run', readonly=1, copy=False),
104 'trg_date_range_type': 'day',
107 def onchange_kind(self, cr, uid, ids, kind, context=None):
109 if kind in ['on_create', 'on_create_or_write']:
110 clear_fields = ['filter_pre_id', 'trg_date_id', 'trg_date_range', 'trg_date_range_type']
111 elif kind in ['on_write', 'on_create_or_write']:
112 clear_fields = ['trg_date_id', 'trg_date_range', 'trg_date_range_type']
113 elif kind == 'on_time':
114 clear_fields = ['filter_pre_id']
115 return {'value': dict.fromkeys(clear_fields, False)}
117 def _filter(self, cr, uid, action, action_filter, record_ids, context=None):
118 """ filter the list record_ids that satisfy the action filter """
119 if record_ids and action_filter:
120 assert action.model == action_filter.model_id, "Filter model different from action rule model"
121 model = self.pool[action_filter.model_id]
122 domain = [('id', 'in', record_ids)] + eval(action_filter.domain)
123 ctx = dict(context or {})
124 ctx.update(eval(action_filter.context))
125 record_ids = model.search(cr, uid, domain, context=ctx)
128 def _process(self, cr, uid, action, record_ids, context=None):
129 """ process the given action on the records """
130 model = self.pool[action.model_id.model]
134 if 'date_action_last' in model._all_columns:
135 values['date_action_last'] = time.strftime(DEFAULT_SERVER_DATETIME_FORMAT)
136 if action.act_user_id and 'user_id' in model._all_columns:
137 values['user_id'] = action.act_user_id.id
139 model.write(cr, uid, record_ids, values, context=context)
141 if action.act_followers and hasattr(model, 'message_subscribe'):
142 follower_ids = map(int, action.act_followers)
143 model.message_subscribe(cr, uid, record_ids, follower_ids, context=context)
145 # execute server actions
146 if action.server_action_ids:
147 server_action_ids = map(int, action.server_action_ids)
148 for record in model.browse(cr, uid, record_ids, context):
149 action_server_obj = self.pool.get('ir.actions.server')
150 ctx = dict(context, active_model=model._name, active_ids=[record.id], active_id=record.id)
151 action_server_obj.run(cr, uid, server_action_ids, context=ctx)
155 def _register_hook(self, cr, ids=None):
156 """ Wrap the methods `create` and `write` of the models specified by
157 the rules given by `ids` (or all existing rules if `ids` is `None`.)
160 # Note: the patched methods create and write must be defined inside
161 # another function, otherwise their closure may be wrong. For instance,
162 # the function create refers to the outer variable 'create', which you
163 # expect to be bound to create itself. But that expectation is wrong if
164 # create is defined inside a loop; in that case, the variable 'create'
165 # is bound to the last function defined by the loop.
169 """ instanciate a create method that processes action rules """
170 def create(self, cr, uid, vals, context=None, **kwargs):
171 # avoid loops or cascading actions
172 if context and context.get('action'):
173 return create.origin(self, cr, uid, vals, context=context)
175 # call original method with a modified context
176 context = dict(context or {}, action=True)
177 new_id = create.origin(self, cr, uid, vals, context=context, **kwargs)
179 # as it is a new record, we do not consider the actions that have a prefilter
180 action_model = self.pool.get('base.action.rule')
181 action_dom = [('model', '=', self._name),
182 ('kind', 'in', ['on_create', 'on_create_or_write'])]
183 action_ids = action_model.search(cr, uid, action_dom, context=context)
185 # check postconditions, and execute actions on the records that satisfy them
186 for action in action_model.browse(cr, uid, action_ids, context=context):
187 if action_model._filter(cr, uid, action, action.filter_id, [new_id], context=context):
188 action_model._process(cr, uid, action, [new_id], context=context)
194 """ instanciate a write method that processes action rules """
195 def write(self, cr, uid, ids, vals, context=None, **kwargs):
196 # avoid loops or cascading actions
197 if context and context.get('action'):
198 return write.origin(self, cr, uid, ids, vals, context=context)
201 context = dict(context or {}, action=True)
202 ids = [ids] if isinstance(ids, (int, long, str)) else ids
204 # retrieve the action rules to possibly execute
205 action_model = self.pool.get('base.action.rule')
206 action_dom = [('model', '=', self._name),
207 ('kind', 'in', ['on_write', 'on_create_or_write'])]
208 action_ids = action_model.search(cr, uid, action_dom, context=context)
209 actions = action_model.browse(cr, uid, action_ids, context=context)
211 # check preconditions
213 for action in actions:
214 pre_ids[action] = action_model._filter(cr, uid, action, action.filter_pre_id, ids, context=context)
216 # call original method
217 write.origin(self, cr, uid, ids, vals, context=context, **kwargs)
219 # check postconditions, and execute actions on the records that satisfy them
220 for action in actions:
221 post_ids = action_model._filter(cr, uid, action, action.filter_id, pre_ids[action], context=context)
223 action_model._process(cr, uid, action, post_ids, context=context)
230 ids = self.search(cr, SUPERUSER_ID, [])
231 for action_rule in self.browse(cr, SUPERUSER_ID, ids):
232 model = action_rule.model_id.model
233 model_obj = self.pool[model]
234 if not hasattr(model_obj, 'base_action_ruled'):
235 # monkey-patch methods create and write
236 model_obj._patch_method('create', make_create())
237 model_obj._patch_method('write', make_write())
238 model_obj.base_action_ruled = True
243 def create(self, cr, uid, vals, context=None):
244 res_id = super(base_action_rule, self).create(cr, uid, vals, context=context)
245 if self._register_hook(cr, [res_id]):
246 openerp.modules.registry.RegistryManager.signal_registry_change(cr.dbname)
249 def write(self, cr, uid, ids, vals, context=None):
250 if isinstance(ids, (int, long)):
252 super(base_action_rule, self).write(cr, uid, ids, vals, context=context)
253 if self._register_hook(cr, ids):
254 openerp.modules.registry.RegistryManager.signal_registry_change(cr.dbname)
257 def onchange_model_id(self, cr, uid, ids, model_id, context=None):
258 data = {'model': False, 'filter_pre_id': False, 'filter_id': False}
260 model = self.pool.get('ir.model').browse(cr, uid, model_id, context=context)
261 data.update({'model': model.model})
262 return {'value': data}
264 def _check_delay(self, cr, uid, action, record, record_dt, context=None):
265 if action.trg_date_calendar_id and action.trg_date_range_type == 'day':
266 start_dt = get_datetime(record_dt)
267 action_dt = self.pool['resource.calendar'].schedule_days_get_date(
268 cr, uid, action.trg_date_calendar_id.id, action.trg_date_range,
269 day_date=start_dt, compute_leaves=True, context=context
272 delay = DATE_RANGE_FUNCTION[action.trg_date_range_type](action.trg_date_range)
273 action_dt = get_datetime(record_dt) + delay
276 def _check(self, cr, uid, automatic=False, use_new_cursor=False, context=None):
277 """ This Function is called by scheduler. """
278 context = context or {}
279 # retrieve all the action rules to run based on a timed condition
280 action_dom = [('kind', '=', 'on_time')]
281 action_ids = self.search(cr, uid, action_dom, context=context)
282 for action in self.browse(cr, uid, action_ids, context=context):
285 last_run = get_datetime(action.last_run)
287 last_run = datetime.utcfromtimestamp(0)
289 # retrieve all the records that satisfy the action's condition
290 model = self.pool[action.model_id.model]
294 domain = eval(action.filter_id.domain)
295 ctx.update(eval(action.filter_id.context))
296 if 'lang' not in ctx:
297 # Filters might be language-sensitive, attempt to reuse creator lang
298 # as we are usually running this as super-user in background
299 [filter_meta] = action.filter_id.get_metadata()
300 user_id = filter_meta['write_uid'] and filter_meta['write_uid'][0] or \
301 filter_meta['create_uid'][0]
302 ctx['lang'] = self.pool['res.users'].browse(cr, uid, user_id).lang
303 record_ids = model.search(cr, uid, domain, context=ctx)
305 # determine when action should occur for the records
306 date_field = action.trg_date_id.name
307 if date_field == 'date_action_last' and 'create_date' in model._all_columns:
308 get_record_dt = lambda record: record[date_field] or record.create_date
310 get_record_dt = lambda record: record[date_field]
312 # process action on the records that should be executed
313 for record in model.browse(cr, uid, record_ids, context=context):
314 record_dt = get_record_dt(record)
317 action_dt = self._check_delay(cr, uid, action, record, record_dt, context=context)
318 if last_run <= action_dt < now:
320 context = dict(context or {}, action=True)
321 self._process(cr, uid, action, [record.id], context=context)
324 _logger.error(traceback.format_exc())
326 action.write({'last_run': now.strftime(DEFAULT_SERVER_DATETIME_FORMAT)})
329 # auto-commit for batch processing