[MERGE]: Merged tpa branch for adding remaining days in leave types dropdown
[odoo/odoo.git] / addons / hr_holidays / hr_holidays.py
1 # -*- coding: utf-8 -*-
2 ##################################################################################
3 #
4 # Copyright (c) 2005-2006 Axelor SARL. (http://www.axelor.com)
5 # and 2004-2010 Tiny SPRL (<http://tiny.be>).
6 #
7 # $Id: hr.py 4656 2006-11-24 09:58:42Z Cyp $
8 #
9 #     This program is free software: you can redistribute it and/or modify
10 #     it under the terms of the GNU Affero General Public License as
11 #     published by the Free Software Foundation, either version 3 of the
12 #     License, or (at your option) any later version.
13 #
14 #     This program is distributed in the hope that it will be useful,
15 #     but WITHOUT ANY WARRANTY; without even the implied warranty of
16 #     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17 #     GNU Affero General Public License for more details.
18 #
19 #     You should have received a copy of the GNU Affero General Public License
20 #     along with this program.  If not, see <http://www.gnu.org/licenses/>.
21 #
22 ##############################################################################
23
24 import datetime, time
25 from itertools import groupby
26 from operator import itemgetter
27
28 import math
29 import netsvc
30 import tools
31 from osv import fields, osv
32 from tools.translate import _
33
34
35 class hr_holidays_status(osv.osv):
36     _name = "hr.holidays.status"
37     _description = "Leave Type"
38
39     def get_days(self, cr, uid, ids, employee_id, return_false, context=None):
40         cr.execute("""SELECT id, type, number_of_days, holiday_status_id FROM hr_holidays WHERE employee_id = %s AND state='validate' AND holiday_status_id in %s""",
41             [employee_id, tuple(ids)])
42         result = sorted(cr.dictfetchall(), key=lambda x: x['holiday_status_id'])
43         grouped_lines = dict((k, [v for v in itr]) for k, itr in groupby(result, itemgetter('holiday_status_id')))
44         res = {}
45         for record in self.browse(cr, uid, ids, context=context):
46             res[record.id] = {}
47             max_leaves = leaves_taken = 0
48             if not return_false:
49                 if record.id in grouped_lines:
50                     leaves_taken = -sum([item['number_of_days'] for item in grouped_lines[record.id] if item['type'] == 'remove'])
51                     max_leaves = sum([item['number_of_days'] for item in grouped_lines[record.id] if item['type'] == 'add'])
52             res[record.id]['max_leaves'] = max_leaves
53             res[record.id]['leaves_taken'] = leaves_taken
54             res[record.id]['remaining_leaves'] = max_leaves - leaves_taken
55         return res
56
57     def _user_left_days(self, cr, uid, ids, name, args, context=None):
58         return_false = False
59         employee_id = False
60         res = {}
61         if context and context.has_key('employee_id'):
62             if not context['employee_id']:
63                 return_false = True
64             employee_id = context['employee_id']
65         else:
66             employee_ids = self.pool.get('hr.employee').search(cr, uid, [('user_id','=',uid)], context=context)
67             if employee_ids:
68                 employee_id = employee_ids[0]
69             else:
70                 return_false = True
71         if employee_id:
72             res = self.get_days(cr, uid, ids, employee_id, return_false, context=context)
73         else:
74             res = dict.fromkeys(ids, {'leaves_taken': 0, 'remaining_leaves': 0, 'max_leaves': 0})
75         return res
76
77     _columns = {
78         'name': fields.char('Leave Type', size=64, required=True, translate=True),
79         'categ_id': fields.many2one('crm.meeting.type', 'Meeting Type',
80             help='Once a leave is validated, OpenERP will create a corresponding meeting of this type in the calendar.'),
81         'color_name': fields.selection([('red', 'Red'),('blue','Blue'), ('lightgreen', 'Light Green'), ('lightblue','Light Blue'), ('lightyellow', 'Light Yellow'), ('magenta', 'Magenta'),('lightcyan', 'Light Cyan'),('black', 'Black'),('lightpink', 'Light Pink'),('brown', 'Brown'),('violet', 'Violet'),('lightcoral', 'Light Coral'),('lightsalmon', 'Light Salmon'),('lavender', 'Lavender'),('wheat', 'Wheat'),('ivory', 'Ivory')],'Color in Report', required=True, help='This color will be used in the leaves summary located in Reporting\Leaves by Department.'),
82         'limit': fields.boolean('Allow to Override Limit', help='If you select this checkbox, the system allows the employees to take more leaves than the available ones for this type.'),
83         'active': fields.boolean('Active', help="If the active field is set to false, it will allow you to hide the leave type without removing it."),
84         'max_leaves': fields.function(_user_left_days, string='Maximum Allowed', help='This value is given by the sum of all holidays requests with a positive value.', multi='user_left_days'),
85         'leaves_taken': fields.function(_user_left_days, string='Leaves Already Taken', help='This value is given by the sum of all holidays requests with a negative value.', multi='user_left_days'),
86         'remaining_leaves': fields.function(_user_left_days, string='Remaining Leaves', help='Maximum Leaves Allowed - Leaves Already Taken', multi='user_left_days'),
87         'double_validation': fields.boolean('Apply Double Validation', help="When selected, the Allocation/Leave Requests for this type require a second validation to be approved."),
88     }
89     _defaults = {
90         'color_name': 'red',
91         'active': True,
92     }
93
94     def name_get(self, cr, uid, ids, context=None):
95         if not ids:
96             return []
97         datas = self.read(cr, uid, ids, ['name', 'remaining_leaves'], context=context)
98         res = []
99         for record in datas:
100             name = record.get('name')
101             if record.get('remaining_leaves'):
102                 name = name + '  (' +str(record.get('remaining_leaves')) + ')'
103             res.append((record['id'], name))
104         return res
105
106 hr_holidays_status()
107
108 class hr_holidays(osv.osv):
109     _name = "hr.holidays"
110     _description = "Leave"
111     _order = "type desc, date_from asc"
112     _inherit = [ 'mail.thread','ir.needaction_mixin']
113
114     def _employee_get(self, cr, uid, context=None):
115         ids = self.pool.get('hr.employee').search(cr, uid, [('user_id', '=', uid)], context=context)
116         if ids:
117             return ids[0]
118         return False
119
120     def _compute_number_of_days(self, cr, uid, ids, name, args, context=None):
121         result = {}
122         for hol in self.browse(cr, uid, ids, context=context):
123             if hol.type=='remove':
124                 result[hol.id] = -hol.number_of_days_temp
125             else:
126                 result[hol.id] = hol.number_of_days_temp
127         return result
128
129     _columns = {
130         'name': fields.char('Description', size=64),
131         'state': fields.selection([('draft', 'To Submit'), ('cancel', 'Cancelled'),('confirm', 'To Approve'), ('refuse', 'Refused'), ('validate1', 'Second Approval'), ('validate', 'Approved')],
132             'Status', readonly=True, help='The status is set to \'To Submit\', when a holiday request is created.\
133             \nThe status is \'To Approve\', when holiday request is confirmed by user.\
134             \nThe status is \'Refused\', when holiday request is refused by manager.\
135             \nThe status is \'Approved\', when holiday request is approved by manager.'),
136         'user_id':fields.related('employee_id', 'user_id', type='many2one', relation='res.users', string='User', store=True),
137         'date_from': fields.datetime('Start Date', readonly=True, states={'draft':[('readonly',False)], 'confirm':[('readonly',False)]}, select=True),
138         'date_to': fields.datetime('End Date', readonly=True, states={'draft':[('readonly',False)], 'confirm':[('readonly',False)]}),
139         'holiday_status_id': fields.many2one("hr.holidays.status", "Leave Type", required=True,readonly=True, states={'draft':[('readonly',False)], 'confirm':[('readonly',False)]}),
140         'employee_id': fields.many2one('hr.employee', "Employee", select=True, invisible=False, readonly=True, states={'draft':[('readonly',False)], 'confirm':[('readonly',False)]}, help='Leave Manager can let this field empty if this leave request/allocation is for every employee'),
141         'manager_id': fields.many2one('hr.employee', 'First Approval', invisible=False, readonly=True, help='This area is automatically filled by the user who validate the leave'),
142         'notes': fields.text('Reasons',readonly=True, states={'draft':[('readonly',False)], 'confirm':[('readonly',False)]}),
143         'number_of_days_temp': fields.float('Number of Days', readonly=True, states={'draft':[('readonly',False)], 'confirm':[('readonly',False)]}),
144         'number_of_days': fields.function(_compute_number_of_days, string='Number of Days', store=True),
145         'meeting_id': fields.many2one('crm.meeting', 'Meeting'),
146         'type': fields.selection([('remove','Leave Request'),('add','Allocation Request')], 'Request Type', required=True, readonly=True, states={'draft':[('readonly',False)], 'confirm':[('readonly',False)]}, help="Choose 'Leave Request' if someone wants to take an off-day. \nChoose 'Allocation Request' if you want to increase the number of leaves available for someone", select=True),
147         'parent_id': fields.many2one('hr.holidays', 'Parent'),
148         'linked_request_ids': fields.one2many('hr.holidays', 'parent_id', 'Linked Requests',),
149         'department_id':fields.related('employee_id', 'department_id', string='Department', type='many2one', relation='hr.department', readonly=True, store=True),
150         'category_id': fields.many2one('hr.employee.category', "Category", help='Category of Employee', readonly=True, states={'draft':[('readonly',False)], 'confirm':[('readonly',False)]}),
151         'holiday_type': fields.selection([('employee','By Employee'),('category','By Employee Category')], 'Allocation Mode', readonly=True, states={'draft':[('readonly',False)], 'confirm':[('readonly',False)]}, help='By Employee: Allocation/Request for individual Employee, By Employee Category: Allocation/Request for group of employees in category', required=True),
152         'manager_id2': fields.many2one('hr.employee', 'Second Approval', readonly=True, help='This area is automaticly filled by the user who validate the leave with second level (If Leave type need second validation)'),
153         'double_validation': fields.related('holiday_status_id', 'double_validation', type='boolean', relation='hr.holidays.status', string='Apply Double Validation'),
154     }
155     _defaults = {
156         'employee_id': _employee_get,
157         'state': 'draft',
158         'type': 'remove',
159         'user_id': lambda obj, cr, uid, context: uid,
160         'holiday_type': 'employee'
161     }
162     _sql_constraints = [
163         ('type_value', "CHECK( (holiday_type='employee' AND employee_id IS NOT NULL) or (holiday_type='category' AND category_id IS NOT NULL))", "The employee or employee category of this request is missing."),
164         ('date_check2', "CHECK ( (type='add') OR (date_from <= date_to))", "The start date must be anterior to the end date."),
165         ('date_check', "CHECK ( number_of_days_temp >= 0 )", "The number of days must be greater than 0."),
166     ]
167
168     def _create_resource_leave(self, cr, uid, leaves, context=None):
169         '''This method will create entry in resource calendar leave object at the time of holidays validated '''
170         obj_res_leave = self.pool.get('resource.calendar.leaves')
171         for leave in leaves:
172             vals = {
173                 'name': leave.name,
174                 'date_from': leave.date_from,
175                 'holiday_id': leave.id,
176                 'date_to': leave.date_to,
177                 'resource_id': leave.employee_id.resource_id.id,
178                 'calendar_id': leave.employee_id.resource_id.calendar_id.id
179             }
180             obj_res_leave.create(cr, uid, vals, context=context)
181         return True
182
183     def _remove_resource_leave(self, cr, uid, ids, context=None):
184         '''This method will create entry in resource calendar leave object at the time of holidays cancel/removed'''
185         obj_res_leave = self.pool.get('resource.calendar.leaves')
186         leave_ids = obj_res_leave.search(cr, uid, [('holiday_id', 'in', ids)], context=context)
187         return obj_res_leave.unlink(cr, uid, leave_ids, context=context)
188
189     def onchange_type(self, cr, uid, ids, holiday_type):
190         result = {'value': {'employee_id': False}}
191         if holiday_type == 'employee':
192             ids_employee = self.pool.get('hr.employee').search(cr, uid, [('user_id','=', uid)])
193             if ids_employee:
194                 result['value'] = {
195                     'employee_id': ids_employee[0]
196                 }
197         return result
198
199     def onchange_employee(self, cr, uid, ids, employee_id):
200         result = {'value': {'department_id': False}}
201         if employee_id:
202             employee = self.pool.get('hr.employee').browse(cr, uid, employee_id)
203             result['value'] = {'department_id': employee.department_id.id}
204         return result
205
206     # TODO: can be improved using resource calendar method
207     def _get_number_of_days(self, date_from, date_to):
208         """Returns a float equals to the timedelta between two dates given as string."""
209
210         DATETIME_FORMAT = "%Y-%m-%d %H:%M:%S"
211         from_dt = datetime.datetime.strptime(date_from, DATETIME_FORMAT)
212         to_dt = datetime.datetime.strptime(date_to, DATETIME_FORMAT)
213         timedelta = to_dt - from_dt
214         diff_day = timedelta.days + float(timedelta.seconds) / 86400
215         return diff_day
216
217     def unlink(self, cr, uid, ids, context=None):
218         for rec in self.browse(cr, uid, ids, context=context):
219             if rec.state not in ['draft', 'cancel', 'confirm']:
220                 raise osv.except_osv(_('Warning!'),_('You cannot delete a leave which is in %s state.')%(rec.state))
221         return super(hr_holidays, self).unlink(cr, uid, ids, context)
222
223     def onchange_date_from(self, cr, uid, ids, date_to, date_from):
224         """
225         If there are no date set for date_to, automatically set one 8 hours later than
226         the date_from.
227         Also update the number_of_days.
228         """
229         # date_to has to be greater than date_from
230         if (date_from and date_to) and (date_from > date_to):
231             raise osv.except_osv(_('Warning!'),_('The start date must be anterior to the end date.'))
232
233         result = {'value': {}}
234
235         # No date_to set so far: automatically compute one 8 hours later
236         if date_from and not date_to:
237             date_to_with_delta = datetime.datetime.strptime(date_from, tools.DEFAULT_SERVER_DATETIME_FORMAT) + datetime.timedelta(hours=8)
238             result['value']['date_to'] = str(date_to_with_delta)
239
240         # Compute and update the number of days
241         if (date_to and date_from) and (date_from <= date_to):
242             diff_day = self._get_number_of_days(date_from, date_to)
243             result['value']['number_of_days_temp'] = round(math.floor(diff_day))+1
244         else:
245             result['value']['number_of_days_temp'] = 0
246
247         return result
248
249     def onchange_date_to(self, cr, uid, ids, date_to, date_from):
250         """
251         Update the number_of_days.
252         """
253
254         # date_to has to be greater than date_from
255         if (date_from and date_to) and (date_from > date_to):
256             raise osv.except_osv(_('Warning!'),_('The start date must be anterior to the end date.'))
257
258         result = {'value': {}}
259
260         # Compute and update the number of days
261         if (date_to and date_from) and (date_from <= date_to):
262             diff_day = self._get_number_of_days(date_from, date_to)
263             result['value']['number_of_days_temp'] = round(math.floor(diff_day))+1
264         else:
265             result['value']['number_of_days_temp'] = 0
266
267         return result
268
269     def set_to_draft(self, cr, uid, ids, context=None):
270         self.write(cr, uid, ids, {
271             'state': 'draft',
272             'manager_id': False,
273             'manager_id2': False,
274         })
275         wf_service = netsvc.LocalService("workflow")
276         for id in ids:
277             wf_service.trg_delete(uid, 'hr.holidays', id, cr)
278             wf_service.trg_create(uid, 'hr.holidays', id, cr)
279         to_unlink = []
280         for record in self.browse(cr, uid, ids, context=context):
281             for record2 in record.linked_request_ids:
282                 self.set_to_draft(cr, uid, [record2.id], context=context)
283                 to_unlink.append(record2.id)
284         if to_unlink:
285             self.unlink(cr, uid, to_unlink, context=context)
286         return True
287
288     def holidays_first_validate(self, cr, uid, ids, context=None):
289         self.check_holidays(cr, uid, ids, context=context)
290         obj_emp = self.pool.get('hr.employee')
291         ids2 = obj_emp.search(cr, uid, [('user_id', '=', uid)])
292         manager = ids2 and ids2[0] or False
293         self.holidays_first_validate_notificate(cr, uid, ids, context=context)
294         return self.write(cr, uid, ids, {'state':'validate1', 'manager_id': manager})
295
296     def holidays_validate(self, cr, uid, ids, context=None):
297         self.check_holidays(cr, uid, ids, context=context)
298         obj_emp = self.pool.get('hr.employee')
299         ids2 = obj_emp.search(cr, uid, [('user_id', '=', uid)])
300         manager = ids2 and ids2[0] or False
301         self.write(cr, uid, ids, {'state':'validate'})
302         data_holiday = self.browse(cr, uid, ids)
303         for record in data_holiday:
304             if record.double_validation:
305                 self.write(cr, uid, [record.id], {'manager_id2': manager})
306             else:
307                 self.write(cr, uid, [record.id], {'manager_id': manager})
308             if record.holiday_type == 'employee' and record.type == 'remove':
309                 meeting_obj = self.pool.get('crm.meeting')
310                 meeting_vals = {
311                     'name': record.name or _('Leave Request'),
312                     'categ_ids': record.holiday_status_id.categ_id and [(6,0,[record.holiday_status_id.categ_id.id])] or [],
313                     'duration': record.number_of_days_temp * 8,
314                     'description': record.notes,
315                     'user_id': record.user_id.id,
316                     'date': record.date_from,
317                     'end_date': record.date_to,
318                     'date_deadline': record.date_to,
319                     'state': 'open',            # to block that meeting date in the calendar
320                 }
321                 meeting_id = meeting_obj.create(cr, uid, meeting_vals)
322                 self._create_resource_leave(cr, uid, [record], context=context)
323                 self.write(cr, uid, ids, {'meeting_id': meeting_id})
324             elif record.holiday_type == 'category':
325                 emp_ids = obj_emp.search(cr, uid, [('category_ids', 'child_of', [record.category_id.id])])
326                 leave_ids = []
327                 for emp in obj_emp.browse(cr, uid, emp_ids):
328                     vals = {
329                         'name': record.name,
330                         'type': record.type,
331                         'holiday_type': 'employee',
332                         'holiday_status_id': record.holiday_status_id.id,
333                         'date_from': record.date_from,
334                         'date_to': record.date_to,
335                         'notes': record.notes,
336                         'number_of_days_temp': record.number_of_days_temp,
337                         'parent_id': record.id,
338                         'employee_id': emp.id
339                     }
340                     leave_ids.append(self.create(cr, uid, vals, context=None))
341                 wf_service = netsvc.LocalService("workflow")
342                 for leave_id in leave_ids:
343                     wf_service.trg_validate(uid, 'hr.holidays', leave_id, 'confirm', cr)
344                     wf_service.trg_validate(uid, 'hr.holidays', leave_id, 'validate', cr)
345                     wf_service.trg_validate(uid, 'hr.holidays', leave_id, 'second_validate', cr)
346         self.holidays_validate_notificate(cr, uid, ids, context=context)
347         return True
348
349     def holidays_confirm(self, cr, uid, ids, context=None):
350         self.check_holidays(cr, uid, ids, context=context)
351         for record in self.browse(cr, uid, ids, context=context):
352             if record.employee_id and record.employee_id.parent_id and record.employee_id.parent_id.user_id:
353                 self.message_subscribe_users(cr, uid, [record.id], user_ids=[record.employee_id.parent_id.user_id.id], context=context)
354         self.holidays_confirm_notificate(cr, uid, ids, context=context)
355         return self.write(cr, uid, ids, {'state':'confirm'})
356
357     def holidays_refuse(self, cr, uid, ids, context=None):
358         obj_emp = self.pool.get('hr.employee')
359         ids2 = obj_emp.search(cr, uid, [('user_id', '=', uid)])
360         manager = ids2 and ids2[0] or False
361         for holiday in self.browse(cr, uid, ids, context=context):
362             if holiday.state == 'validate1':
363                 self.write(cr, uid, [holiday.id], {'state': 'refuse', 'manager_id': manager})
364             else:
365                 self.write(cr, uid, [holiday.id], {'state': 'refuse', 'manager_id2': manager})
366         self.holidays_refuse_notificate(cr, uid, ids, context=context)
367         self.holidays_cancel(cr, uid, ids, context=context)
368         return True
369
370     def holidays_cancel(self, cr, uid, ids, context=None):
371         meeting_obj = self.pool.get('crm.meeting')
372         for record in self.browse(cr, uid, ids):
373             # Delete the meeting
374             if record.meeting_id:
375                 meeting_obj.unlink(cr, uid, [record.meeting_id.id])
376
377             # If a category that created several holidays, cancel all related
378             wf_service = netsvc.LocalService("workflow")
379             for request in record.linked_request_ids or []:
380                 wf_service.trg_validate(uid, 'hr.holidays', request.id, 'refuse', cr)
381
382         self._remove_resource_leave(cr, uid, ids, context=context)
383         return True
384
385     def check_holidays(self, cr, uid, ids, context=None):
386         holi_status_obj = self.pool.get('hr.holidays.status')
387         for record in self.browse(cr, uid, ids):
388             if record.holiday_type == 'employee' and record.type == 'remove':
389                 if record.employee_id and not record.holiday_status_id.limit:
390                     leaves_rest = holi_status_obj.get_days( cr, uid, [record.holiday_status_id.id], record.employee_id.id, False)[record.holiday_status_id.id]['remaining_leaves']
391                     if leaves_rest < record.number_of_days_temp:
392                         raise osv.except_osv(_('Warning!'), _('There are not enough %s allocated for employee %s; please create an allocation request for this leave type.') % (record.holiday_status_id.name, record.employee_id.name))
393         return True
394
395     # -----------------------------
396     # OpenChatter and notifications
397     # -----------------------------
398
399     def needaction_domain_get(self, cr, uid, ids, context=None):
400         emp_obj = self.pool.get('hr.employee')
401         empids = emp_obj.search(cr, uid, [('parent_id.user_id', '=', uid)], context=context)
402         dom = ['&', ('state', '=', 'confirm'), ('employee_id', 'in', empids)]
403         # if this user is a hr.manager, he should do second validations
404         if self.pool.get('res.users').has_group(cr, uid, 'base.group_hr_manager'):
405             dom = ['|'] + dom + [('state', '=', 'validate1')]
406         return dom
407
408     def create_notificate(self, cr, uid, ids, context=None):
409         for obj in self.browse(cr, uid, ids, context=context):
410             self.message_post(cr, uid, ids,
411                 _("Request <b>created</b>, waiting confirmation."), context=context)
412         return True
413
414     def holidays_confirm_notificate(self, cr, uid, ids, context=None):
415         for obj in self.browse(cr, uid, ids):
416             self.message_post(cr, uid, [obj.id],
417                 _("Request <b>submitted</b>, waiting for validation by the manager."), context=context)
418
419     def holidays_first_validate_notificate(self, cr, uid, ids, context=None):
420         for obj in self.browse(cr, uid, ids, context=context):
421             self.message_post(cr, uid, [obj.id],
422                 _("Request <b>approved</b>, waiting second validation."), context=context)
423
424     def holidays_validate_notificate(self, cr, uid, ids, context=None):
425         for obj in self.browse(cr, uid, ids):
426             if obj.double_validation:
427                 self.message_post(cr, uid, [obj.id],
428                     _("Request <b>validated</b>."), context=context)
429             else:
430                 self.message_post(cr, uid, [obj.id],
431                     _("The request has been <b>approved</b>."), context=context)
432
433     def holidays_refuse_notificate(self, cr, uid, ids, context=None):
434         for obj in self.browse(cr, uid, ids):
435             self.message_post(cr, uid, [obj.id],
436                 _("Request <b>refused</b>"), context=context)
437
438
439 class resource_calendar_leaves(osv.osv):
440     _inherit = "resource.calendar.leaves"
441     _description = "Leave Detail"
442     _columns = {
443         'holiday_id': fields.many2one("hr.holidays", "Leave Request"),
444     }
445
446 resource_calendar_leaves()
447
448
449 class hr_employee(osv.osv):
450     _inherit="hr.employee"
451
452     def create(self, cr, uid, vals, context=None):
453         # don't pass the value of remaining leave if it's 0 at the creation time, otherwise it will trigger the inverse
454         # function _set_remaining_days and the system may not be configured for. Note that we don't have this problem on
455         # the write because the clients only send the fields that have been modified.
456         if 'remaining_leaves' in vals and not vals['remaining_leaves']:
457             del(vals['remaining_leaves'])
458         return super(hr_employee, self).create(cr, uid, vals, context=context)
459
460     def _set_remaining_days(self, cr, uid, empl_id, name, value, arg, context=None):
461         employee = self.browse(cr, uid, empl_id, context=context)
462         diff = value - employee.remaining_leaves
463         type_obj = self.pool.get('hr.holidays.status')
464         holiday_obj = self.pool.get('hr.holidays')
465         # Find for holidays status
466         status_ids = type_obj.search(cr, uid, [('limit', '=', False)], context=context)
467         if len(status_ids) != 1 :
468             raise osv.except_osv(_('Warning!'),_("The feature behind the field 'Remaining Legal Leaves' can only be used when there is only one leave type with the option 'Allow to Override Limit' unchecked. (%s Found). Otherwise, the update is ambiguous as we cannot decide on which leave type the update has to be done. \nYou may prefer to use the classic menus 'Leave Requests' and 'Allocation Requests' located in 'Human Resources \ Leaves' to manage the leave days of the employees if the configuration does not allow to use this field.") % (len(status_ids)))
469         status_id = status_ids and status_ids[0] or False
470         if not status_id:
471             return False
472         if diff > 0:
473             leave_id = holiday_obj.create(cr, uid, {'name': _('Allocation for %s') % employee.name, 'employee_id': employee.id, 'holiday_status_id': status_id, 'type': 'add', 'holiday_type': 'employee', 'number_of_days_temp': diff}, context=context)
474         elif diff < 0:
475             leave_id = holiday_obj.create(cr, uid, {'name': _('Leave Request for %s') % employee.name, 'employee_id': employee.id, 'holiday_status_id': status_id, 'type': 'remove', 'holiday_type': 'employee', 'number_of_days_temp': abs(diff)}, context=context)
476         else:
477             return False
478         wf_service = netsvc.LocalService("workflow")
479         wf_service.trg_validate(uid, 'hr.holidays', leave_id, 'confirm', cr)
480         wf_service.trg_validate(uid, 'hr.holidays', leave_id, 'validate', cr)
481         wf_service.trg_validate(uid, 'hr.holidays', leave_id, 'second_validate', cr)
482         return True
483
484     def _get_remaining_days(self, cr, uid, ids, name, args, context=None):
485         cr.execute("""SELECT
486                 sum(h.number_of_days) as days,
487                 h.employee_id
488             from
489                 hr_holidays h
490                 join hr_holidays_status s on (s.id=h.holiday_status_id)
491             where
492                 h.state='validate' and
493                 s.limit=False and
494                 h.employee_id in (%s)
495             group by h.employee_id"""% (','.join(map(str,ids)),) )
496         res = cr.dictfetchall()
497         remaining = {}
498         for r in res:
499             remaining[r['employee_id']] = r['days']
500         for employee_id in ids:
501             if not remaining.get(employee_id):
502                 remaining[employee_id] = 0.0
503         return remaining
504
505     def _get_leave_status(self, cr, uid, ids, name, args, context=None):
506         holidays_obj = self.pool.get('hr.holidays')
507         holidays_id = holidays_obj.search(cr, uid,
508            [('employee_id', 'in', ids), ('date_from','<=',time.strftime('%Y-%m-%d %H:%M:%S')),
509            ('date_to','>=',time.strftime('%Y-%m-%d 23:59:59')),('type','=','remove'),('state','not in',('cancel','refuse'))],
510            context=context)
511         result = {}
512         for id in ids:
513             result[id] = {
514                 'current_leave_state': False,
515                 'current_leave_id': False,
516                 'leave_date_from':False,
517                 'leave_date_to':False,
518             }
519         for holiday in self.pool.get('hr.holidays').browse(cr, uid, holidays_id, context=context):
520             result[holiday.employee_id.id]['leave_date_from'] = holiday.date_from
521             result[holiday.employee_id.id]['leave_date_to'] = holiday.date_to
522             result[holiday.employee_id.id]['current_leave_state'] = holiday.state
523             result[holiday.employee_id.id]['current_leave_id'] = holiday.holiday_status_id.id
524         return result
525
526     _columns = {
527         'remaining_leaves': fields.function(_get_remaining_days, string='Remaining Legal Leaves', fnct_inv=_set_remaining_days, type="float", help='Total number of legal leaves allocated to this employee, change this value to create allocation/leave requests.'),
528         'current_leave_state': fields.function(_get_leave_status, multi="leave_status", string="Current Leave Status", type="selection",
529             selection=[('draft', 'New'), ('confirm', 'Waiting Approval'), ('refuse', 'Refused'),
530             ('validate1', 'Waiting Second Approval'), ('validate', 'Approved'), ('cancel', 'Cancelled')]),
531         'current_leave_id': fields.function(_get_leave_status, multi="leave_status", string="Current Leave Type",type='many2one', relation='hr.holidays.status'),
532         'leave_date_from': fields.function(_get_leave_status, multi='leave_status', type='date', string='From Date'),
533         'leave_date_to': fields.function(_get_leave_status, multi='leave_status', type='date', string='To Date'),
534     }
535
536 hr_employee()
537
538 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4: