addons/project_long_term/wizard/project_schedule_tasks.py

   1 # -*- coding: utf-8 -*-
   2 ##############################################################################
   3 #
   4 #    OpenERP, Open Source Management Solution
   5 #    Copyright (C) 2004-2009 Tiny SPRL (<http://tiny.be>).
   6 #
   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.
  11 #
  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.
  16 #
  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/>.
  19 #
  20 ##############################################################################
  21 import datetime
  22 from resource.faces import *
  23 from new import classobj
  24 import operator
  25
  26 from tools.translate import _
  27 from osv import osv, fields
  28
  29 import working_calendar as wkcal
  30
  31 class project_schedule_task(osv.osv_memory):
  32
  33     _name = "project.schedule.tasks"
  34     _description = 'project.schedule.tasks'
  35     _columns = {
  36         'msg': fields.char('Message', size=64)
  37                 }
  38     _defaults = {
  39          'msg': 'Task Scheduling Completed Successfully'
  40                 }
  41
  42     def default_get(self, cr, uid, fields_list, context=None):
  43         res = super(project_schedule_task, self).default_get(cr, uid, fields_list, context)
  44         self.compute_date(cr, uid, context=context)
  45         return res
  46
  47     def create_resources(self, cr, uid, phase, context=None):
  48         """
  49         Return a list of  Resource Class objects for the resources allocated to the phase.
  50         """
  51         resource_objs = []
  52
  53         if context is None:
  54             context = {}
  55
  56         for resource in phase.resource_ids:
  57             res = resource.resource_id
  58             leaves = []
  59             resource_eff = res.time_efficiency
  60             resource_cal = res.calendar_id.id
  61             if resource_cal:
  62                 cal_id  = phase.project_id.resource_calendar_id and phase.project_id.resource_calendar_id.id or False
  63                 leaves = wkcal.compute_leaves(cr, uid, cal_id, res.id, resource_cal, context=context)
  64             resource_objs.append(classobj(res.user_id.name.encode('utf8'), (Resource,),
  65                                          {'__doc__': res.user_id.name,
  66                                           '__name__': res.user_id.name,
  67                                           'vacation': tuple(leaves),
  68                                           'efficiency': resource_eff,
  69                                           }))
  70         return resource_objs
  71
  72     def compute_date(self, cr, uid, context=None):
  73         """
  74         Schedule the tasks according to resource available and priority.
  75         """
  76
  77         phase_obj = self.pool.get('project.phase')
  78         task_obj = self.pool.get('project.task')
  79         user_obj = self.pool.get('res.users')
  80
  81         if context is None:
  82             context = {}
  83
  84         if not 'active_id' in context:
  85             return {}
  86         phase = phase_obj.browse(cr, uid, context['active_id'], context=context)
  87         task_ids = map(lambda x : x.id, (filter(lambda x : x.state in ['open', 'draft', 'pending'] , phase.task_ids)))
  88         if task_ids:
  89             task_ids.sort()
  90             tasks = task_obj.browse(cr, uid, task_ids, context=context)
  91             start_date = str(phase.date_start)[:-9]
  92             if not phase.date_start:
  93                 if not phase.project_id.date_start:
  94                     start_date = datetime.datetime.now().strftime("%Y-%m-%d")
  95                 else:
  96                     start_date = phase.project_id.date_start
  97             date_start = datetime.datetime.strftime(datetime.datetime.strptime(start_date, "%Y-%m-%d"), "%Y-%m-%d %H:%M")
  98             calendar_id = phase.project_id.resource_calendar_id.id
  99             resources = self.create_resources(cr, uid, phase)
 100             priority_dict = {'0': 1000, '1': 800, '2': 500, '3': 300, '4': 100}
 101             # Create dynamic no of tasks with the resource specified
 102             def create_tasks(j, eff, priorty=500, obj=False):
 103                 def task():
 104                     """
 105                     task is a dynamic method!
 106                     """
 107                     effort = eff
 108                     if obj:
 109                         resource = obj
 110                     priority = priorty
 111                 task.__doc__ = "TaskNO%d" %j
 112                 task.__name__ = "task%d" %j
 113                 return task
 114
 115             # Create a 'Faces' project with all the tasks and resources
 116             def Project():
 117                 title = "Project"
 118                 start = date_start
 119                 try:
 120                     resource = reduce(operator.or_, resources)
 121                 except:
 122                     raise osv.except_osv(_('Error'), _('Phase must have resources assigned !'))
 123                 minimum_time_unit = 1
 124                 if calendar_id:            # If project has working calendar
 125                     working_days = wkcal.compute_working_calendar(cr, uid, calendar_id)
 126                     vacation = tuple(wkcal.compute_leaves(cr, uid, calendar_id))
 127                 # Dynamic creation of tasks
 128                 i = 0
 129                 for each_task in tasks:
 130                     hours = str(each_task.planned_hours )+ 'H'
 131                     if each_task.priority in priority_dict.keys():
 132                         priorty = priority_dict[each_task.priority]
 133                     if each_task.user_id:
 134                        for resrce in resources:
 135                             if resrce.__name__ == each_task.user_id.name:
 136                                task = create_tasks(i, hours, priorty, resrce)
 137                     else:
 138                         task = create_tasks(i, hours, priorty)
 139                     i += 1
 140
 141             project = BalancedProject(Project)
 142             loop_no = 0
 143             # Write back the computed dates
 144             for t in project:
 145                 s_date = t.start.to_datetime()
 146                 e_date = t.end.to_datetime()
 147                 if loop_no > 0:
 148                     ctx = context.copy()
 149                     ctx.update({'scheduler': True})
 150                     user_id = user_obj.search(cr, uid, [('name', '=', t.booked_resource[0].__name__)])
 151                     task_obj.write(cr, uid, [tasks[loop_no-1].id], {'date_start': s_date.strftime('%Y-%m-%d %H:%M:%S'),
 152                                                                     'date_end': e_date.strftime('%Y-%m-%d %H:%M:%S'),
 153                                                                     'user_id': user_id[0]},
 154                                                                     context=ctx)
 155                 loop_no +=1
 156         return {}
 157
 158 project_schedule_task()
 159 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4: