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 from osv import fields, osv
  31 from tools.translate import _
  32
  33
  34 class hr_holidays_status(osv.osv):
  35     _name = "hr.holidays.status"
  36     _description = "Leave Type"
  37
  38     def get_days(self, cr, uid, ids, employee_id, return_false, context=None):
  39         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""",
  40             [employee_id, tuple(ids)])
  41         result = sorted(cr.dictfetchall(), key=lambda x: x['holiday_status_id'])
  42         grouped_lines = dict((k, [v for v in itr]) for k, itr in groupby(result, itemgetter('holiday_status_id')))
  43         res = {}
  44         for record in self.browse(cr, uid, ids, context=context):
  45             res[record.id] = {}
  46             max_leaves = leaves_taken = 0
  47             if not return_false:
  48                 if record.id in grouped_lines:
  49                     leaves_taken = -sum([item['number_of_days'] for item in grouped_lines[record.id] if item['type'] == 'remove'])
  50                     max_leaves = sum([item['number_of_days'] for item in grouped_lines[record.id] if item['type'] == 'add'])
  51             res[record.id]['max_leaves'] = max_leaves
  52             res[record.id]['leaves_taken'] = leaves_taken
  53             res[record.id]['remaining_leaves'] = max_leaves - leaves_taken
  54         return res
  55
  56     def _user_left_days(self, cr, uid, ids, name, args, context=None):
  57         return_false = False
  58         employee_id = False
  59         res = {}
  60         if context and context.has_key('employee_id'):
  61             if not context['employee_id']:
  62                 return_false = True
  63             employee_id = context['employee_id']
  64         else:
  65             employee_ids = self.pool.get('hr.employee').search(cr, uid, [('user_id','=',uid)], context=context)
  66             if employee_ids:
  67                 employee_id = employee_ids[0]
  68             else:
  69                 return_false = True
  70         if employee_id:
  71             res = self.get_days(cr, uid, ids, employee_id, return_false, context=context)
  72         else:
  73             res = dict.fromkeys(ids, {'leaves_taken': 0, 'remaining_leaves': 0, 'max_leaves': 0})
  74         return res
  75
  76     _columns = {
  77         'name': fields.char('Leave Type', size=64, required=True, translate=True),
  78         'categ_id': fields.many2one('crm.meeting.type', 'Meeting Type',
  79             help='Once a leave is validated, OpenERP will create a corresponding meeting of this type in the calendar.'),
  80         '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.'),
  81         '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.'),
  82         '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."),
  83         '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'),
  84         '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'),
  85         'remaining_leaves': fields.function(_user_left_days, string='Remaining Leaves', help='Maximum Leaves Allowed - Leaves Already Taken', multi='user_left_days'),
  86         'double_validation': fields.boolean('Apply Double Validation', help="When selected, the Allocation/Leave Requests for this type require a second validation to be approved."),
  87     }
  88     _defaults = {
  89         'color_name': 'red',
  90         'active': True,
  91     }
  92 hr_holidays_status()
  93
  94 class hr_holidays(osv.osv):
  95     _name = "hr.holidays"
  96     _description = "Leave"
  97     _order = "type desc, date_from asc"
  98     _inherit = [ 'mail.thread','ir.needaction_mixin']
  99
 100     def _employee_get(self, cr, uid, context=None):
 101         ids = self.pool.get('hr.employee').search(cr, uid, [('user_id', '=', uid)], context=context)
 102         if ids:
 103             return ids[0]
 104         return False
 105
 106     def _compute_number_of_days(self, cr, uid, ids, name, args, context=None):
 107         result = {}
 108         for hol in self.browse(cr, uid, ids, context=context):
 109             if hol.type=='remove':
 110                 result[hol.id] = -hol.number_of_days_temp
 111             else:
 112                 result[hol.id] = hol.number_of_days_temp
 113         return result
 114
 115     _columns = {
 116         'name': fields.char('Description', size=64),
 117         'state': fields.selection([('draft', 'To Submit'), ('cancel', 'Cancelled'),('confirm', 'To Approve'), ('refuse', 'Refused'), ('validate1', 'Second Approval'), ('validate', 'Approved')],
 118             'Status', readonly=True, help='The status is set to \'To Submit\', when a holiday request is created.\
 119             \nThe status is \'To Approve\', when holiday request is confirmed by user.\
 120             \nThe status is \'Refused\', when holiday request is refused by manager.\
 121             \nThe status is \'Approved\', when holiday request is approved by manager.'),
 122         'user_id':fields.related('employee_id', 'user_id', type='many2one', relation='res.users', string='User', store=True),
 123         'date_from': fields.datetime('Start Date', readonly=True, states={'draft':[('readonly',False)], 'confirm':[('readonly',False)]}, select=True),
 124         'date_to': fields.datetime('End Date', readonly=True, states={'draft':[('readonly',False)], 'confirm':[('readonly',False)]}),
 125         'holiday_status_id': fields.many2one("hr.holidays.status", "Leave Type", required=True,readonly=True, states={'draft':[('readonly',False)], 'confirm':[('readonly',False)]}),
 126         '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'),
 127         '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'),
 128         'notes': fields.text('Reasons',readonly=True, states={'draft':[('readonly',False)], 'confirm':[('readonly',False)]}),
 129         'number_of_days_temp': fields.float('Number of Days', readonly=True, states={'draft':[('readonly',False)], 'confirm':[('readonly',False)]}),
 130         'number_of_days': fields.function(_compute_number_of_days, string='Number of Days', store=True),
 131         'meeting_id': fields.many2one('crm.meeting', 'Meeting'),
 132         '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),
 133         'parent_id': fields.many2one('hr.holidays', 'Parent'),
 134         'linked_request_ids': fields.one2many('hr.holidays', 'parent_id', 'Linked Requests',),
 135         'department_id':fields.related('employee_id', 'department_id', string='Department', type='many2one', relation='hr.department', readonly=True, store=True),
 136         'category_id': fields.many2one('hr.employee.category', "Category", help='Category of Employee', readonly=True, states={'draft':[('readonly',False)], 'confirm':[('readonly',False)]}),
 137         '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),
 138         '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)'),
 139         'double_validation': fields.related('holiday_status_id', 'double_validation', type='boolean', relation='hr.holidays.status', string='Apply Double Validation'),
 140     }
 141     _defaults = {
 142         'employee_id': _employee_get,
 143         'state': 'draft',
 144         'type': 'remove',
 145         'user_id': lambda obj, cr, uid, context: uid,
 146         'holiday_type': 'employee'
 147     }
 148     _sql_constraints = [
 149         ('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."),
 150         ('date_check2', "CHECK ( (type='add') OR (date_from <= date_to))", "The start date must be anterior to the end date."),
 151         ('date_check', "CHECK ( number_of_days_temp >= 0 )", "The number of days must be greater than 0."),
 152     ]
 153
 154     def _create_resource_leave(self, cr, uid, leaves, context=None):
 155         '''This method will create entry in resource calendar leave object at the time of holidays validated '''
 156         obj_res_leave = self.pool.get('resource.calendar.leaves')
 157         for leave in leaves:
 158             vals = {
 159                 'name': leave.name,
 160                 'date_from': leave.date_from,
 161                 'holiday_id': leave.id,
 162                 'date_to': leave.date_to,
 163                 'resource_id': leave.employee_id.resource_id.id,
 164                 'calendar_id': leave.employee_id.resource_id.calendar_id.id
 165             }
 166             obj_res_leave.create(cr, uid, vals, context=context)
 167         return True
 168
 169     def _remove_resource_leave(self, cr, uid, ids, context=None):
 170         '''This method will create entry in resource calendar leave object at the time of holidays cancel/removed'''
 171         obj_res_leave = self.pool.get('resource.calendar.leaves')
 172         leave_ids = obj_res_leave.search(cr, uid, [('holiday_id', 'in', ids)], context=context)
 173         return obj_res_leave.unlink(cr, uid, leave_ids, context=context)
 174
 175     def onchange_type(self, cr, uid, ids, holiday_type):
 176         result = {'value': {'employee_id': False}}
 177         if holiday_type == 'employee':
 178             ids_employee = self.pool.get('hr.employee').search(cr, uid, [('user_id','=', uid)])
 179             if ids_employee:
 180                 result['value'] = {
 181                     'employee_id': ids_employee[0]
 182                 }
 183         return result
 184
 185     def onchange_employee(self, cr, uid, ids, employee_id):
 186         result = {'value': {'department_id': False}}
 187         if employee_id:
 188             employee = self.pool.get('hr.employee').browse(cr, uid, employee_id)
 189             result['value'] = {'department_id': employee.department_id.id}
 190         return result
 191
 192     # TODO: can be improved using resource calendar method
 193     def _get_number_of_days(self, date_from, date_to):
 194         """Returns a float equals to the timedelta between two dates given as string."""
 195
 196         DATETIME_FORMAT = "%Y-%m-%d %H:%M:%S"
 197         from_dt = datetime.datetime.strptime(date_from, DATETIME_FORMAT)
 198         to_dt = datetime.datetime.strptime(date_to, DATETIME_FORMAT)
 199         timedelta = to_dt - from_dt
 200         diff_day = timedelta.days + float(timedelta.seconds) / 86400
 201         return diff_day
 202
 203     def unlink(self, cr, uid, ids, context=None):
 204         for rec in self.browse(cr, uid, ids, context=context):
 205             if rec.state not in ['draft', 'cancel', 'confirm']:
 206                 raise osv.except_osv(_('Warning!'),_('You cannot delete a leave which is in %s state.')%(rec.state))
 207         return super(hr_holidays, self).unlink(cr, uid, ids, context)
 208
 209     def onchange_date_from(self, cr, uid, ids, date_to, date_from):
 210         result = {}
 211         DATETIME_FORMAT = "%Y-%m-%d %H:%M:%S"
 212
 213         # No date_to set so far: automatically compute one 8 hours later
 214         if date_from and not date_to:
 215             date_to = datetime.datetime.strptime(date_from, DATETIME_FORMAT) + datetime.timedelta(hours=8)
 216             result['value'] = {'date_to': str(date_to)}
 217         # date_from is greater than date_to: throw an exception
 218         elif (date_from and date_to) and (date_from > date_to):
 219             raise osv.except_osv(_('Warning!'),_('The start date must be anterior to the end date.'))
 220
 221         return result
 222
 223     def onchange_date_to(self, cr, uid, ids, date_to, date_from):
 224         result = {}
 225         if date_to and date_from:
 226             diff_day = self._get_number_of_days(date_from, date_to)
 227             result['value'] = {
 228                 'number_of_days_temp': round(math.floor(diff_day))+1
 229             }
 230         else:
 231             result['value'] = {
 232                 'number_of_days_temp': 0,
 233             }
 234
 235         return result
 236
 237     def set_to_draft(self, cr, uid, ids, context=None):
 238         self.write(cr, uid, ids, {
 239             'state': 'draft',
 240             'manager_id': False,
 241             'manager_id2': False,
 242         })
 243         wf_service = netsvc.LocalService("workflow")
 244         for id in ids:
 245             wf_service.trg_delete(uid, 'hr.holidays', id, cr)
 246             wf_service.trg_create(uid, 'hr.holidays', id, cr)
 247         to_unlink = []
 248         for record in self.browse(cr, uid, ids, context=context):
 249             for record2 in record.linked_request_ids:
 250                 self.set_to_draft(cr, uid, [record2.id], context=context)
 251                 to_unlink.append(record2.id)
 252         if to_unlink:
 253             self.unlink(cr, uid, to_unlink, context=context)
 254         return True
 255
 256     def holidays_first_validate(self, cr, uid, ids, context=None):
 257         self.check_holidays(cr, uid, ids, context=context)
 258         obj_emp = self.pool.get('hr.employee')
 259         ids2 = obj_emp.search(cr, uid, [('user_id', '=', uid)])
 260         manager = ids2 and ids2[0] or False
 261         self.holidays_first_validate_notificate(cr, uid, ids, context=context)
 262         return self.write(cr, uid, ids, {'state':'validate1', 'manager_id': manager})
 263
 264     def holidays_validate(self, cr, uid, ids, context=None):
 265         self.check_holidays(cr, uid, ids, context=context)
 266         obj_emp = self.pool.get('hr.employee')
 267         ids2 = obj_emp.search(cr, uid, [('user_id', '=', uid)])
 268         manager = ids2 and ids2[0] or False
 269         self.write(cr, uid, ids, {'state':'validate'})
 270         data_holiday = self.browse(cr, uid, ids)
 271         for record in data_holiday:
 272             if record.double_validation:
 273                 self.write(cr, uid, [record.id], {'manager_id2': manager})
 274             else:
 275                 self.write(cr, uid, [record.id], {'manager_id': manager})
 276             if record.holiday_type == 'employee' and record.type == 'remove':
 277                 meeting_obj = self.pool.get('crm.meeting')
 278                 meeting_vals = {
 279                     'name': record.name or _('Leave Request'),
 280                     'categ_ids': record.holiday_status_id.categ_id and [(6,0,[record.holiday_status_id.categ_id.id])] or [],
 281                     'duration': record.number_of_days_temp * 8,
 282                     'description': record.notes,
 283                     'user_id': record.user_id.id,
 284                     'date': record.date_from,
 285                     'end_date': record.date_to,
 286                     'date_deadline': record.date_to,
 287                     'state': 'open',            # to block that meeting date in the calendar
 288                 }
 289                 meeting_id = meeting_obj.create(cr, uid, meeting_vals)
 290                 self._create_resource_leave(cr, uid, [record], context=context)
 291                 self.write(cr, uid, ids, {'meeting_id': meeting_id})
 292             elif record.holiday_type == 'category':
 293                 emp_ids = obj_emp.search(cr, uid, [('category_ids', 'child_of', [record.category_id.id])])
 294                 leave_ids = []
 295                 for emp in obj_emp.browse(cr, uid, emp_ids):
 296                     vals = {
 297                         'name': record.name,
 298                         'type': record.type,
 299                         'holiday_type': 'employee',
 300                         'holiday_status_id': record.holiday_status_id.id,
 301                         'date_from': record.date_from,
 302                         'date_to': record.date_to,
 303                         'notes': record.notes,
 304                         'number_of_days_temp': record.number_of_days_temp,
 305                         'parent_id': record.id,
 306                         'employee_id': emp.id
 307                     }
 308                     leave_ids.append(self.create(cr, uid, vals, context=None))
 309                 wf_service = netsvc.LocalService("workflow")
 310                 for leave_id in leave_ids:
 311                     wf_service.trg_validate(uid, 'hr.holidays', leave_id, 'confirm', cr)
 312                     wf_service.trg_validate(uid, 'hr.holidays', leave_id, 'validate', cr)
 313                     wf_service.trg_validate(uid, 'hr.holidays', leave_id, 'second_validate', cr)
 314         self.holidays_validate_notificate(cr, uid, ids, context=context)
 315         return True
 316
 317     def holidays_confirm(self, cr, uid, ids, context=None):
 318         self.check_holidays(cr, uid, ids, context=context)
 319         for record in self.browse(cr, uid, ids, context=context):
 320             if record.employee_id and record.employee_id.parent_id and record.employee_id.parent_id.user_id:
 321                 self.message_subscribe_users(cr, uid, [record.id], user_ids=[record.employee_id.parent_id.user_id.id], context=context)
 322         self.holidays_confirm_notificate(cr, uid, ids, context=context)
 323         return self.write(cr, uid, ids, {'state':'confirm'})
 324
 325     def holidays_refuse(self, cr, uid, ids, context=None):
 326         obj_emp = self.pool.get('hr.employee')
 327         ids2 = obj_emp.search(cr, uid, [('user_id', '=', uid)])
 328         manager = ids2 and ids2[0] or False
 329         for holiday in self.browse(cr, uid, ids, context=context):
 330             if holiday.state == 'validate1':
 331                 self.write(cr, uid, [holiday.id], {'state': 'refuse', 'manager_id': manager})
 332             else:
 333                 self.write(cr, uid, [holiday.id], {'state': 'refuse', 'manager_id2': manager})
 334         self.holidays_refuse_notificate(cr, uid, ids, context=context)
 335         self.holidays_cancel(cr, uid, ids, context=context)
 336         return True
 337
 338     def holidays_cancel(self, cr, uid, ids, context=None):
 339         meeting_obj = self.pool.get('crm.meeting')
 340         for record in self.browse(cr, uid, ids):
 341             # Delete the meeting
 342             if record.meeting_id:
 343                 meeting_obj.unlink(cr, uid, [record.meeting_id.id])
 344
 345             # If a category that created several holidays, cancel all related
 346             wf_service = netsvc.LocalService("workflow")
 347             for request in record.linked_request_ids or []:
 348                 wf_service.trg_validate(uid, 'hr.holidays', request.id, 'refuse', cr)
 349
 350         self._remove_resource_leave(cr, uid, ids, context=context)
 351         return True
 352
 353     def check_holidays(self, cr, uid, ids, context=None):
 354         holi_status_obj = self.pool.get('hr.holidays.status')
 355         for record in self.browse(cr, uid, ids):
 356             if record.holiday_type == 'employee' and record.type == 'remove':
 357                 if record.employee_id and not record.holiday_status_id.limit:
 358                     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']
 359                     if leaves_rest < record.number_of_days_temp:
 360                         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))
 361         return True
 362
 363     # -----------------------------
 364     # OpenChatter and notifications
 365     # -----------------------------
 366
 367     def needaction_domain_get(self, cr, uid, ids, context=None):
 368         emp_obj = self.pool.get('hr.employee')
 369         empids = emp_obj.search(cr, uid, [('parent_id.user_id', '=', uid)], context=context)
 370         dom = ['&', ('state', '=', 'confirm'), ('employee_id', 'in', empids)]
 371         # if this user is a hr.manager, he should do second validations
 372         if self.pool.get('res.users').has_group(cr, uid, 'base.group_hr_manager'):
 373             dom = ['|'] + dom + [('state', '=', 'validate1')]
 374         return dom
 375
 376     def create_notificate(self, cr, uid, ids, context=None):
 377         for obj in self.browse(cr, uid, ids, context=context):
 378             self.message_post(cr, uid, ids,
 379                 _("Request <b>created</b>, waiting confirmation."), context=context)
 380         return True
 381
 382     def holidays_confirm_notificate(self, cr, uid, ids, context=None):
 383         for obj in self.browse(cr, uid, ids):
 384             self.message_post(cr, uid, [obj.id],
 385                 _("Request <b>submitted</b>, waiting for validation by the manager."), context=context)
 386
 387     def holidays_first_validate_notificate(self, cr, uid, ids, context=None):
 388         for obj in self.browse(cr, uid, ids, context=context):
 389             self.message_post(cr, uid, [obj.id],
 390                 _("Request <b>approved</b>, waiting second validation."), context=context)
 391
 392     def holidays_validate_notificate(self, cr, uid, ids, context=None):
 393         for obj in self.browse(cr, uid, ids):
 394             if obj.double_validation:
 395                 self.message_post(cr, uid, [obj.id],
 396                     _("Request <b>validated</b>."), context=context)
 397             else:
 398                 self.message_post(cr, uid, [obj.id],
 399                     _("The request has been <b>approved</b>."), context=context)
 400
 401     def holidays_refuse_notificate(self, cr, uid, ids, context=None):
 402         for obj in self.browse(cr, uid, ids):
 403             self.message_post(cr, uid, [obj.id],
 404                 _("Request <b>refused</b>"), context=context)
 405
 406
 407 class resource_calendar_leaves(osv.osv):
 408     _inherit = "resource.calendar.leaves"
 409     _description = "Leave Detail"
 410     _columns = {
 411         'holiday_id': fields.many2one("hr.holidays", "Leave Request"),
 412     }
 413
 414 resource_calendar_leaves()
 415
 416
 417 class hr_employee(osv.osv):
 418     _inherit="hr.employee"
 419
 420     def create(self, cr, uid, vals, context=None):
 421         # don't pass the value of remaining leave if it's 0 at the creation time, otherwise it will trigger the inverse
 422         # function _set_remaining_days and the system may not be configured for. Note that we don't have this problem on
 423         # the write because the clients only send the fields that have been modified.
 424         if 'remaining_leaves' in vals and not vals['remaining_leaves']:
 425             del(vals['remaining_leaves'])
 426         return super(hr_employee, self).create(cr, uid, vals, context=context)
 427
 428     def _set_remaining_days(self, cr, uid, empl_id, name, value, arg, context=None):
 429         employee = self.browse(cr, uid, empl_id, context=context)
 430         diff = value - employee.remaining_leaves
 431         type_obj = self.pool.get('hr.holidays.status')
 432         holiday_obj = self.pool.get('hr.holidays')
 433         # Find for holidays status
 434         status_ids = type_obj.search(cr, uid, [('limit', '=', False)], context=context)
 435         if len(status_ids) != 1 :
 436             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)))
 437         status_id = status_ids and status_ids[0] or False
 438         if not status_id:
 439             return False
 440         if diff > 0:
 441             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)
 442         elif diff < 0:
 443             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)
 444         else:
 445             return False
 446         wf_service = netsvc.LocalService("workflow")
 447         wf_service.trg_validate(uid, 'hr.holidays', leave_id, 'confirm', cr)
 448         wf_service.trg_validate(uid, 'hr.holidays', leave_id, 'validate', cr)
 449         wf_service.trg_validate(uid, 'hr.holidays', leave_id, 'second_validate', cr)
 450         return True
 451
 452     def _get_remaining_days(self, cr, uid, ids, name, args, context=None):
 453         cr.execute("""SELECT
 454                 sum(h.number_of_days) as days,
 455                 h.employee_id
 456             from
 457                 hr_holidays h
 458                 join hr_holidays_status s on (s.id=h.holiday_status_id)
 459             where
 460                 h.state='validate' and
 461                 s.limit=False and
 462                 h.employee_id in (%s)
 463             group by h.employee_id"""% (','.join(map(str,ids)),) )
 464         res = cr.dictfetchall()
 465         remaining = {}
 466         for r in res:
 467             remaining[r['employee_id']] = r['days']
 468         for employee_id in ids:
 469             if not remaining.get(employee_id):
 470                 remaining[employee_id] = 0.0
 471         return remaining
 472
 473     def _get_leave_status(self, cr, uid, ids, name, args, context=None):
 474         holidays_obj = self.pool.get('hr.holidays')
 475         holidays_id = holidays_obj.search(cr, uid,
 476            [('employee_id', 'in', ids), ('date_from','<=',time.strftime('%Y-%m-%d %H:%M:%S')),
 477            ('date_to','>=',time.strftime('%Y-%m-%d 23:59:59')),('type','=','remove'),('state','not in',('cancel','refuse'))],
 478            context=context)
 479         result = {}
 480         for id in ids:
 481             result[id] = {
 482                 'current_leave_state': False,
 483                 'current_leave_id': False,
 484                 'leave_date_from':False,
 485                 'leave_date_to':False,
 486             }
 487         for holiday in self.pool.get('hr.holidays').browse(cr, uid, holidays_id, context=context):
 488             result[holiday.employee_id.id]['leave_date_from'] = holiday.date_from
 489             result[holiday.employee_id.id]['leave_date_to'] = holiday.date_to
 490             result[holiday.employee_id.id]['current_leave_state'] = holiday.state
 491             result[holiday.employee_id.id]['current_leave_id'] = holiday.holiday_status_id.id
 492         return result
 493
 494     _columns = {
 495         '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.'),
 496         'current_leave_state': fields.function(_get_leave_status, multi="leave_status", string="Current Leave Status", type="selection",
 497             selection=[('draft', 'New'), ('confirm', 'Waiting Approval'), ('refuse', 'Refused'),
 498             ('validate1', 'Waiting Second Approval'), ('validate', 'Approved'), ('cancel', 'Cancelled')]),
 499         'current_leave_id': fields.function(_get_leave_status, multi="leave_status", string="Current Leave Type",type='many2one', relation='hr.holidays.status'),
 500         'leave_date_from': fields.function(_get_leave_status, multi='leave_status', type='date', string='From Date'),
 501         'leave_date_to': fields.function(_get_leave_status, multi='leave_status', type='date', string='To Date'),
 502     }
 503
 504 hr_employee()
 505
 506 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4: