fix
[odoo/odoo.git] / addons / project_long_term / project_long_term.py
index ecc47a5..4ab1722 100644 (file)
@@ -22,7 +22,7 @@
 from datetime import datetime
 from tools.translate import _
 from osv import fields, osv
-from resource.faces import task as Task 
+from resource.faces import task as Task
 
 class project_phase(osv.osv):
     _name = "project.phase"
@@ -73,40 +73,43 @@ class project_phase(osv.osv):
                  return False
          return True
 
-    def _check_constraint_start(self, cr, uid, ids, context=None):
-         phase = self.read(cr, uid, ids[0], ['date_start', 'constraint_date_start'], context=context)
-         if phase['date_start'] and phase['constraint_date_start'] and phase['date_start'] < phase['constraint_date_start']:
-             return False
-         return True
-
-    def _check_constraint_end(self, cr, uid, ids, context=None):
-         phase = self.read(cr, uid, ids[0], ['date_end', 'constraint_date_end'], context=context)
-         if phase['date_end'] and phase['constraint_date_end'] and phase['date_end'] > phase['constraint_date_end']:
-             return False
-         return True
-
     def _get_default_uom_id(self, cr, uid):
        model_data_obj = self.pool.get('ir.model.data')
        model_data_id = model_data_obj._get_id(cr, uid, 'product', 'uom_hour')
        return model_data_obj.read(cr, uid, [model_data_id], ['res_id'])[0]['res_id']
 
-    def _compute(self, cr, uid, ids, field_name, arg, context=None):
+    def _compute_progress(self, cr, uid, ids, field_name, arg, context=None):
         res = {}
         if not ids:
             return res
         for phase in self.browse(cr, uid, ids, context=context):
-            tot = 0.0
+            if phase.state=='done':
+                res[phase.id] = 100.0
+                continue
+            elif phase.state=="cancelled":
+                res[phase.id] = 0.0
+                continue
+            elif not phase.task_ids:
+                res[phase.id] = 0.0
+                continue
+
+            tot = done = 0.0
             for task in phase.task_ids:
-                tot += task.planned_hours
-            res[phase.id] = tot
+                tot += task.total_hours
+                done += min(task.effective_hours, task.total_hours)
+
+            if not tot:
+                res[phase.id] = 0.0
+            else:
+                res[phase.id] = round(100.0 * done / tot, 2)
         return res
 
     _columns = {
         'name': fields.char("Name", size=64, required=True),
-        'date_start': fields.date('Start Date', help="It's computed by the scheduler according the project date or the end date of the previous phase.", states={'done':[('readonly',True)], 'cancelled':[('readonly',True)]}),
-        'date_end': fields.date('End Date', help=" It's computed by the scheduler according to the start date and the duration.", states={'done':[('readonly',True)], 'cancelled':[('readonly',True)]}),
-        'constraint_date_start': fields.date('Minimum Start Date', help='force the phase to start after this date', states={'done':[('readonly',True)], 'cancelled':[('readonly',True)]}),
-        'constraint_date_end': fields.date('Deadline', help='force the phase to finish before this date', states={'done':[('readonly',True)], 'cancelled':[('readonly',True)]}),
+        'date_start': fields.datetime('Start Date', help="It's computed by the scheduler according the project date or the end date of the previous phase.", states={'done':[('readonly',True)], 'cancelled':[('readonly',True)]}),
+        'date_end': fields.datetime('End Date', help=" It's computed by the scheduler according to the start date and the duration.", states={'done':[('readonly',True)], 'cancelled':[('readonly',True)]}),
+        'constraint_date_start': fields.datetime('Minimum Start Date', help='force the phase to start after this date', states={'done':[('readonly',True)], 'cancelled':[('readonly',True)]}),
+        'constraint_date_end': fields.datetime('Deadline', help='force the phase to finish before this date', states={'done':[('readonly',True)], 'cancelled':[('readonly',True)]}),
         'project_id': fields.many2one('project.project', 'Project', required=True),
         'next_phase_ids': fields.many2many('project.phase', 'project_phase_rel', 'prv_phase_id', 'next_phase_id', 'Next Phases', states={'cancelled':[('readonly',True)]}),
         'previous_phase_ids': fields.many2many('project.phase', 'project_phase_rel', 'next_phase_id', 'prv_phase_id', 'Previous Phases', states={'cancelled':[('readonly',True)]}),
@@ -114,74 +117,27 @@ class project_phase(osv.osv):
         'duration': fields.float('Duration', required=True, help="By default in days", states={'done':[('readonly',True)], 'cancelled':[('readonly',True)]}),
         'product_uom': fields.many2one('product.uom', 'Duration UoM', required=True, help="UoM (Unit of Measure) is the unit of measurement for Duration", states={'done':[('readonly',True)], 'cancelled':[('readonly',True)]}),
         'task_ids': fields.one2many('project.task', 'phase_id', "Project Tasks", states={'done':[('readonly',True)], 'cancelled':[('readonly',True)]}),
-        'resource_ids': fields.one2many('project.resource.allocation', 'phase_id', "Project Resources",states={'done':[('readonly',True)], 'cancelled':[('readonly',True)]}),
-        'responsible_id': fields.many2one('res.users', 'Responsible', states={'done':[('readonly',True)], 'cancelled':[('readonly',True)]}),
-        'state': fields.selection([('draft', 'Draft'), ('open', 'In Progress'), ('pending', 'Pending'), ('cancelled', 'Cancelled'), ('done', 'Done')], 'State', readonly=True, required=True,
+        'user_force_ids': fields.many2many('res.users', string='Force Assigned Users'),
+        'user_ids': fields.one2many('project.user.allocation', 'phase_id', "Assigned Users",states={'done':[('readonly',True)], 'cancelled':[('readonly',True)]},
+            help="The ressources on the project can be computed automatically by the scheduler"),
+        'state': fields.selection([('draft', 'New'), ('open', 'In Progress'), ('pending', 'Pending'), ('cancelled', 'Cancelled'), ('done', 'Done')], 'State', readonly=True, required=True,
                                   help='If the phase is created the state \'Draft\'.\n If the phase is started, the state becomes \'In Progress\'.\n If review is needed the phase is in \'Pending\' state.\
                                   \n If the phase is over, the states is set to \'Done\'.'),
-        'total_hours': fields.function(_compute, method=True, string='Total Hours'),
+        'progress': fields.function(_compute_progress, string='Progress', help="Computed based on related tasks"),
      }
     _defaults = {
-        'responsible_id': lambda obj,cr,uid,context: uid,
         'state': 'draft',
         'sequence': 10,
         'product_uom': lambda self,cr,uid,c: self.pool.get('product.uom').search(cr, uid, [('name', '=', _('Day'))], context=c)[0]
     }
-    _order = "project_id, date_start, sequence, name"
+    _order = "project_id, date_start, sequence"
     _constraints = [
         (_check_recursion,'Loops in phases not allowed',['next_phase_ids', 'previous_phase_ids']),
         (_check_dates, 'Phase start-date must be lower than phase end-date.', ['date_start', 'date_end']),
     ]
 
     def onchange_project(self, cr, uid, ids, project, context=None):
-        result = {}
-        result['date_start'] = False
-        project_obj = self.pool.get('project.project')
-        if project:
-            project_id = project_obj.browse(cr, uid, project, context=context)
-            result['date_start'] = project_id.date_start
-        return {'value': result}
-
-
-    def _check_date_start(self, cr, uid, phase, date_end, context=None):
-       """
-       Check And Compute date_end of phase if change in date_start < older time.
-       """
-       uom_obj = self.pool.get('product.uom')
-       resource_obj = self.pool.get('resource.resource')
-       cal_obj = self.pool.get('resource.calendar')
-       calendar_id = phase.project_id.resource_calendar_id and phase.project_id.resource_calendar_id.id or False
-       resource_id = resource_obj.search(cr, uid, [('user_id', '=', phase.responsible_id.id)])
-       if resource_id:
-            res = resource_obj.read(cr, uid, resource_id, ['calendar_id'], context=context)[0]
-            cal_id = res.get('calendar_id', False) and res.get('calendar_id')[0] or False
-            if cal_id:
-                calendar_id = cal_id
-       default_uom_id = self._get_default_uom_id(cr, uid)
-       avg_hours = uom_obj._compute_qty(cr, uid, phase.product_uom.id, phase.duration, default_uom_id)
-       work_times = cal_obj.interval_min_get(cr, uid, calendar_id, date_end, avg_hours or 0.0, resource_id and resource_id[0] or False)
-       dt_start = work_times[0][0].strftime('%Y-%m-%d')
-       self.write(cr, uid, [phase.id], {'date_start': dt_start, 'date_end': date_end.strftime('%Y-%m-%d')}, context=context)
-
-    def _check_date_end(self, cr, uid, phase, date_start, context=None):
-       """
-       Check And Compute date_end of phase if change in date_end > older time.
-       """
-       uom_obj = self.pool.get('product.uom')
-       resource_obj = self.pool.get('resource.resource')
-       cal_obj = self.pool.get('resource.calendar')
-       calendar_id = phase.project_id.resource_calendar_id and phase.project_id.resource_calendar_id.id or False
-       resource_id = resource_obj.search(cr, uid, [('user_id', '=', phase.responsible_id.id)], context=context)
-       if resource_id:
-            res = resource_obj.read(cr, uid, resource_id, ['calendar_id'], context=context)[0]
-            cal_id = res.get('calendar_id', False) and res.get('calendar_id')[0] or False
-            if cal_id:
-                calendar_id = cal_id
-       default_uom_id = self._get_default_uom_id(cr, uid)
-       avg_hours = uom_obj._compute_qty(cr, uid, phase.product_uom.id, phase.duration, default_uom_id)
-       work_times = cal_obj.interval_get(cr, uid, calendar_id, date_start, avg_hours or 0.0, resource_id and resource_id[0] or False)
-       dt_end = work_times[-1][1].strftime('%Y-%m-%d')
-       self.write(cr, uid, [phase.id], {'date_start': date_start.strftime('%Y-%m-%d'), 'date_end': dt_end}, context=context)
+        return {}
 
     def copy(self, cr, uid, id, default=None, context=None):
         if default is None:
@@ -210,527 +166,109 @@ class project_phase(osv.osv):
         self.write(cr, uid, ids, {'state': 'done'})
         return True
 
-    def generate_phase(self, cr, uid, ids, f, parent=False, context=None):
-        if context is None:
-            context = {}
-        phase_ids = []
-        data_pool = self.pool.get('ir.model.data')
-        uom_pool = self.pool.get('product.uom')
-        task_pool = self.pool.get('project.task')
-        data_model, day_uom_id = data_pool.get_object_reference(cr, uid, 'product', 'uom_day')
-        for phase in self.browse(cr, uid, ids, context=context):
-            avg_days = uom_pool._compute_qty(cr, uid, phase.product_uom.id, phase.duration, day_uom_id)
-            duration = str(avg_days) + 'd'
-            # Create a new project for each phase
-            str_resource = ('%s & '*len(phase.resource_ids))[:-2]
-            str_vals = str_resource % tuple(map(lambda x: 'Resource_%s'%x.resource_id.id, phase.resource_ids))
+    def generate_phase(self, cr, uid, phases, context=None):
+        context = context or {}
+        result = ""
 
-            # Phases Defination for the Project
-            s = '''
+        task_pool = self.pool.get('project.task')
+        for phase in phases:
+            if phase.state in ('done','cancelled'):
+                continue
+            duration_uom = {
+                'days': 'd', 'day': 'd', 'd':'d',
+                'months': 'm', 'month':'month', 'm':'m',
+                'weeks': 'w', 'week': 'w', 'w':'w',
+                'hours': 'H', 'hour': 'H', 'h':'H',
+            }.get(phase.product_uom.name.lower(), "h")
+            duration = str(phase.duration) + duration_uom
+            result += '''
     def Phase_%s():
-        title = \"%s\"
-        effort = \'%s\'
-        resource = %s
-'''%(phase.id, phase.name, duration, str_vals or False)
-
-            # Recalculate date_start and date_end
-            # according to constraints on date start and date end on phase
-            start_date = ''
-            end_date = ''
+        effort = \"%s\"''' % (phase.id, duration)
+            start = []
             if phase.constraint_date_start:
-                start_date = datetime.strptime(phase.constraint_date_start, '%Y-%m-%d')
-                s += '''
-        start = \"%s\"
-'''%(datetime.strftime(start_date, "%Y-%m-%d"))
-            else:
-                if parent:
-                    start = 'up.Phase_%s.end' % (parent.id)
-                    s += '''
-        start = %s
-'''%(start)
-                else:
-                    start = phase.project_id.date_start or phase.date_start
-                    s += '''
-        start = \"%s\"
-'''%(start)                
-                
-            if phase.constraint_date_end :
-                end_date= datetime.strptime(phase.constraint_date_end, '%Y-%m-%d')
-                s += '''
-        end = \"%s\"
-'''%(datetime.strftime(end_date, "%Y-%m-%d"))               
-
-
-                #start = datetime.strftime((datetime.strptime(start, "%Y-%m-%d")), "%Y-%m-%d")
-
-            phase_ids.append(phase.id)
-            parent = False
-            task_ids = []
-            todo_task_ids = task_pool.search(cr, uid, [('id', 'in', map(lambda x : x.id, phase.task_ids)),
-                                              ('state', 'in', ['draft', 'open', 'pending'])
-                                              ], order='sequence')
-            if todo_task_ids :
-                for task in task_pool.browse(cr, uid, todo_task_ids, context=context):
-                    s += task_pool.generate_task(cr, uid, task.id, parent=parent, flag=False, context=context)
-                    if not parent:
-                        parent = task
-                    task_ids.append(task.id)
-            
-            f += s + '\n'
-            # Recursive call till all the next phases scheduled
-            for next_phase in phase.next_phase_ids:
-                if next_phase.state in ['draft', 'open', 'pending']:
-                    rf, rphase_ids = self.generate_phase(cr, uid, [next_phase.id], f = '', parent=phase, context=context)
-                    f += rf +'\n'
-                    phase_ids += rphase_ids
-                else:   
-                    continue
-        return f, phase_ids
+                start.append('datetime.datetime.strptime("'+str(phase.constraint_date_start)+'", "%Y-%m-%d %H:%M:%S")')
+            for previous_phase in phase.previous_phase_ids:
+                start.append("up.Phase_%s.end" % (previous_phase.id,))
+            if start:
+                result += '''
+        start = max(%s)
+''' % (','.join(start))
+
+            if phase.user_force_ids:
+                result += '''
+        resource = %s
+''' % '|'.join(map(lambda x: 'User_'+str(x.id), phase.user_force_ids))
 
-    def schedule_tasks(self, cr, uid, ids, context=None):
-        """
-        Schedule tasks base on faces lib
-        """
-        if context is None:
-            context = {}
-        if type(ids) in (long, int,):
-            ids = [ids]
-        task_pool = self.pool.get('project.task')
-        resource_pool = self.pool.get('resource.resource')
-        for phase in self.browse(cr, uid, ids, context=context):
-            project = phase.project_id
-            calendar_id = project.resource_calendar_id and project.resource_calendar_id.id or False
-            start_date = project.date_start
-            #Creating resources using the member of the Project
-            u_ids = [i.id for i in project.members]
-            resource_objs = resource_pool.generate_resources(cr, uid, u_ids, calendar_id, context=context)
-            start_date = datetime.strftime((datetime.strptime(start_date, "%Y-%m-%d")), "%Y-%m-%d")
-            func_str = ''
-            start = start_date
-            minimum_time_unit = 1
-            # default values
-            working_hours_per_day = 24
-            working_days_per_week = 7
-            working_days_per_month = 30
-            working_days_per_year = 365
-            
-            vacation = []
-            if calendar_id:
-                working_hours_per_day = 8 #TODO: it should be come from calendars
-                working_days_per_week = 5
-                working_days_per_month = 20
-                working_days_per_year = 200
-                vacation = tuple(resource_pool.compute_vacation(cr, uid, calendar_id, context=context))
+            result += task_pool._generate_task(cr, uid, phase.task_ids, ident=8, context=context)
+            result += "\n"
 
-            working_days = resource_pool.compute_working_calendar(cr, uid, calendar_id, context=context)
-            
-            cls_str = ''
-            # Creating Resources for the Project
-            for key, vals in resource_objs.items():
-                cls_str +='''
-    class Resource_%s(Resource):
-        title = \"%s\"
-        vacation = %s
-        efficiency = %s
-'''%(key,  vals.get('name',False), vals.get('vacation', False), vals.get('efficiency', False))
-    
-            # Create a new project for each phase
-            func_str += '''
-def Phase_%d():
-    from resource.faces import Resource
-    title = \"%s\"
-    start = \'%s\'
-    minimum_time_unit = %s
-    working_hours_per_day = %s
-    working_days_per_week = %s
-    working_days_per_month = %s
-    working_days_per_year = %s
-    vacation = %s
-    working_days =  %s
-'''%(phase.id, phase.name, start, minimum_time_unit, working_hours_per_day,  working_days_per_week, working_days_per_month, working_days_per_year, vacation, working_days )
-            
-            parent = False
-            task_ids = []
-            todo_task_ids = task_pool.search(cr, uid, [('id', 'in', map(lambda x : x.id, phase.task_ids)),
-                                              ('state', 'in', ['draft', 'open', 'pending'])
-                                              ], order='sequence')
-            for task in task_pool.browse(cr, uid, todo_task_ids, context=context):
-                func_str += task_pool.generate_task(cr, uid, task.id, parent=parent, flag=True, context=context)
-                if not parent:
-                    parent = task
-                task_ids.append(task.id)
-            func_str += cls_str
-    
-            # Allocating Memory for the required Project and Pahses and Resources
-            exec(func_str)
-            Phase = eval('Phase_%d' % phase.id)
-            phase = None
-            try:
-                phase = Task.BalancedProject(Phase)
-            except :
-                raise osv.except_osv(_('Error !'),_('Invalid Project Members.\nPhase Scheduling is not possible.'))
-        
-        
-            for task_id in task_ids:
-                task = eval("phase.Task_%d" % task_id)
-                start_date = task.start.to_datetime()
-                end_date = task.end.to_datetime()
-                
-                task_pool.write(cr, uid, [task_id], {
-                                      'date_start': start_date.strftime('%Y-%m-%d'),
-                                      'date_end': end_date.strftime('%Y-%m-%d')
-                                    }, context=context)
-        return True
+        return result
 project_phase()
 
-class project_resource_allocation(osv.osv):
-    _name = 'project.resource.allocation'
-    _description = 'Project Resource Allocation'
-    _rec_name = 'resource_id'
-
-    def get_name(self, cr, uid, ids, field_name, arg, context=None):
-        res = {}
-        for allocation in self.browse(cr, uid, ids, context=context):
-            name = allocation.phase_id.name
-            name += ' (%s%%)' %(allocation.useability)
-            res[allocation.id] = name
-        return res
+class project_user_allocation(osv.osv):
+    _name = 'project.user.allocation'
+    _description = 'Phase User Allocation'
+    _rec_name = 'user_id'
     _columns = {
-        'name': fields.function(get_name, method=True, type='char', size=256),
-        'resource_id': fields.many2one('resource.resource', 'Resource', required=True),
+        'user_id': fields.many2one('res.users', 'User', required=True),
         'phase_id': fields.many2one('project.phase', 'Project Phase', ondelete='cascade', required=True),
         'project_id': fields.related('phase_id', 'project_id', type='many2one', relation="project.project", string='Project', store=True),
-        'user_id': fields.related('resource_id', 'user_id', type='many2one', relation="res.users", string='User'),
-        'date_start': fields.date('Start Date', help="Starting Date"),
-        'date_end': fields.date('End Date', help="Ending Date"),
-        'useability': fields.float('Availability', help="Availability of this resource for this project phase in percentage (=50%)"),
+        'date_start': fields.datetime('Start Date', help="Starting Date"),
+        'date_end': fields.datetime('End Date', help="Ending Date"),
     }
-    _defaults = {
-        'useability': 100,
-    }
-
-project_resource_allocation()
+project_user_allocation()
 
 class project(osv.osv):
     _inherit = "project.project"
     _columns = {
         'phase_ids': fields.one2many('project.phase', 'project_id', "Project Phases"),
-        'resource_calendar_id': fields.many2one('resource.calendar', 'Working Time', help="Timetable working hours to adjust the gantt diagram report", states={'close':[('readonly',True)]} ),
     }
-    def generate_members(self, cr, uid, ids, context=None):
-        """
-        Return a list of  Resource Class objects for the resources allocated to the phase.
-        """
-        res = {}
-        resource_pool = self.pool.get('resource.resource')
-        for project in self.browse(cr, uid, ids, context=context):
-            user_ids = map(lambda x:x.id, project.members)
-            calendar_id  = project.resource_calendar_id and project.resource_calendar_id.id or False
-            resource_objs = resource_pool.generate_resources(cr, uid, user_ids, calendar_id, context=context)
-            res[project.id] = resource_objs
-        return res
-
     def schedule_phases(self, cr, uid, ids, context=None):
-        """
-        Schedule phase base on faces lib
-        """
-        if context is None:
-            context = {}
-        if type(ids) in (long, int,):
-            ids = [ids]
-        phase_pool = self.pool.get('project.phase')
-        task_pool = self.pool.get('project.task')        
-        resource_pool = self.pool.get('resource.resource')
-        data_pool = self.pool.get('ir.model.data')
-        resource_allocation_pool = self.pool.get('project.resource.allocation')
-        data_model, day_uom_id = data_pool.get_object_reference(cr, uid, 'product', 'uom_day')
-        
-        #Checking the Valid Phase resource allocation from project member
-        for project in self.browse(cr, uid, ids, context=context):
-            flag = False
-            res_msg = ''
-            memebrs_ids = []
-            resource_user_ids = []
-            if project.members:
-                memebrs_ids = [use.id for use in project.members]
-            phase_ids = phase_pool.search(cr, uid, [('project_id', '=', project.id)], context=context)
-            if phase_ids:
-                for phase in phase_pool.browse(cr, uid, phase_ids, context=context):
-                    if phase.resource_ids:
-                        res_ids = [ re.id for re in  phase.resource_ids] 
-                        for res in resource_allocation_pool.browse(cr, uid,res_ids, context=context):
-                            if res.resource_id.user_id.id not in memebrs_ids:
-                                res_msg += " '%s' %s , "%(res.resource_id.name,res.resource_id.user_id.name)
-                                flag = True
-            if flag:
-                raise osv.except_osv(_('Warning !'),_("Resource %s is/are not Members of the Project '%s' .")%(res_msg[:-3], project.name))
-
-        for project in self.browse(cr, uid, ids, context=context):
-            root_phase_ids = phase_pool.search(cr, uid, [('project_id', '=', project.id),
-                                                  ('state', 'in', ['draft', 'open', 'pending']),
-                                                  ('previous_phase_ids', '=', False)
-                                                  ])
-            calendar_id = project.resource_calendar_id and project.resource_calendar_id.id or False
-            start_date = project.date_start
-            #if start_date:
-            #    start_date = datetime.strftime((datetime.strptime(start_date, "%Y-%m-%d")), "%Y-%m-%d")
-            #Creating resources using the member of the Project
-            u_ids = [i.id for i in project.members]
-            resource_objs = resource_pool.generate_resources(cr, uid, u_ids, calendar_id, context=context)
-            func_str = ''
-            start = start_date
-            minimum_time_unit = 1
-            # default values
-            working_hours_per_day = 24
-            working_days_per_week = 7
-            working_days_per_month = 30
-            working_days_per_year = 365
-            
-            vacation = []
-            if calendar_id:
-                working_hours_per_day = 8 #TODO: it should be come from calendars
-                working_days_per_week = 5
-                working_days_per_month = 20
-                working_days_per_year = 200
-                vacation = tuple(resource_pool.compute_vacation(cr, uid, calendar_id, context=context))
-
-            working_days = resource_pool.compute_working_calendar(cr, uid, calendar_id, context=context)
-            
-            cls_str = ''
-            # Creating Resources for the Project
-            for key, vals in resource_objs.items():
-                cls_str +='''
-    class Resource_%s(Resource):
-        title = \"%s\"
-        vacation = %s
-        efficiency = %s
-'''%(key,  vals.get('name',False), vals.get('vacation', False), vals.get('efficiency', False))
-        
-            # Create a new project for each phase
-            func_str += '''
-def Project_%d():
-    from resource.faces import Resource
-    title = \"%s\"
-    start = \'%s\'
-    minimum_time_unit = %s
-    working_hours_per_day = %s
-    working_days_per_week = %s
-    working_days_per_month = %s
-    working_days_per_year = %s
-    vacation = %s
-    working_days =  %s
-'''%(project.id, project.name, start, minimum_time_unit, working_hours_per_day,  working_days_per_week, working_days_per_month, working_days_per_year, vacation, working_days )
-
-            func_str += cls_str
-            phase_ids = []
-            for root_phase in phase_pool.browse(cr, uid, root_phase_ids, context=context):
-                phases, child_phase_ids = phase_pool.generate_phase(cr, uid, [root_phase.id], '', context=context)
-                func_str += phases
-                phase_ids += child_phase_ids
-        
-            # Allocating Memory for the required Project and Pahses and Resources
-            exec(func_str)
-            Project = eval('Project_%d' % project.id)
-            project = None
-            try:
-                project = Task.BalancedProject(Project)
-            except :
-                raise osv.except_osv(_('Error !'),_('Invalid Project Members.\nPhase Scheduling is not possible.'))
-            
-            for phase_id in phase_ids:
-                act_phase = phase_pool.browse(cr, uid, phase_id, context=context)
-                resources = act_phase.resource_ids
-                phase = eval("project.Phase_%d" % phase_id)
-                start_date = phase.start.to_datetime()
-                end_date = phase.end.to_datetime()
-                
-                if resources:
-                    for res in resources:
-                        vals = {}
-                        vals.update({'date_start' :  start_date })
-                        vals.update({'date_end' :  end_date})
-                        resource_allocation_pool.write(cr, uid, res.id, vals, context=context)
-                if act_phase.task_ids:
-                    for task in act_phase.task_ids:
-                        vals = {}
-                        #Getting values of the Tasks
-                        temp = eval("phase.Task_%s"%task.id)
-                        if temp.booked_resource:
-                            res_name = temp.booked_resource[0].title
-                            res_id = resource_pool.search(cr, uid,[('name','=',res_name)], context = context)
-                            if res_id:
-                                res = resource_pool.browse(cr, uid, res_id[0], context = context)
-                                vals.update({'user_id' : res.user_id.id})
-                                               
-                        vals.update({'date_start' : temp.start.strftime('%Y-%m-%d %H:%M:%S')})
-                        vals.update({'date_end' : temp.end.strftime('%Y-%m-%d %H:%M:%S')})
-                        task_pool.write(cr, uid, task.id, vals, context=context)
-
-
-                phase_pool.write(cr, uid, [phase_id], {
-                                      'date_start': start_date.strftime('%Y-%m-%d'),
-                                      'date_end': end_date.strftime('%Y-%m-%d')
-                                    }, context=context)
-        return True            
-
-    #TODO: DO Resource allocation and compute availability
-    def compute_allocation(self, rc, uid, ids, start_date, end_date, context=None):
-        if context ==  None:
-            context = {}
-        allocation = {}
-        return allocation
-
-    def schedule_tasks(self, cr, uid, ids, context=None):
-        """
-        Schedule task base on faces lib
-        """
-        if context is None:
-            context = {}
+        context = context or {}
         if type(ids) in (long, int,):
             ids = [ids]
-        task_pool = self.pool.get('project.task')
-        resource_pool = self.pool.get('resource.resource')
-        data_pool = self.pool.get('ir.model.data')
-        data_model, day_uom_id = data_pool.get_object_reference(cr, uid, 'product', 'uom_day')
-
-        for project in self.browse(cr, uid, ids, context=context):
-            calendar_id = project.resource_calendar_id and project.resource_calendar_id.id or False
-            start_date = project.date_start
-            #Creating resources using the member of the Project
-            u_ids = [i.id for i in project.members]
-            resource_objs = resource_pool.generate_resources(cr, uid, u_ids, calendar_id, context=context)
-            try:
-                start_date = datetime.strftime((datetime.strptime(start_date, "%Y-%m-%d")), "%Y-%m-%d")
-            except:
-                raise osv.except_osv(_('Error !'),_('Task Scheduling is not possible.\nProject should have the Start date for scheduling.'))
-            func_str = ''
-            start = start_date
-            minimum_time_unit = 1
-            # default values
-            working_hours_per_day = 24
-            working_days_per_week = 7
-            working_days_per_month = 30
-            working_days_per_year = 365
-            
-            vacation = []
-            if calendar_id:
-                working_hours_per_day = 8 #TODO: it should be come from calendars
-                working_days_per_week = 5
-                working_days_per_month = 20
-                working_days_per_year = 200
-                vacation = tuple(resource_pool.compute_vacation(cr, uid, calendar_id, context=context))
-
-            working_days = resource_pool.compute_working_calendar(cr, uid, calendar_id, context=context)
-            
-            cls_str = ''
-            # Creating Resources for the Project
-            for key, vals in resource_objs.items():
-                cls_str +='''
-    class Resource_%s(Resource):
-        title = \"%s\"
-        vacation = %s
-        efficiency = %s
-'''%(key,  vals.get('name',False), vals.get('vacation', False), vals.get('efficiency', False))
-    
-            # Create a new project for each phase
-            func_str += '''
-def Project_%d():
-    from resource.faces import Resource
-    title = \"%s\"
-    start = \'%s\'
-    minimum_time_unit = %s
-    working_hours_per_day = %s
-    working_days_per_week = %s
-    working_days_per_month = %s
-    working_days_per_year = %s
-    vacation = %s
-    working_days =  %s
-'''%(project.id, project.name, start, minimum_time_unit, working_hours_per_day,  working_days_per_week, working_days_per_month, working_days_per_year, vacation, working_days )
-            
-            parent = False
-            task_ids = []
-            todo_task_ids = task_pool.search(cr, uid, [('project_id', '=', project.id),
-                                              ('state', 'in', ['draft', 'open', 'pending'])
-                                              ], order='sequence')
-            if todo_task_ids:
-                for task in task_pool.browse(cr, uid, todo_task_ids, context=context):
-                    func_str += task_pool.generate_task(cr, uid, task.id, parent=parent, flag=True,context=context)
-                    if not parent:
-                        parent = task
-                    task_ids.append(task.id)
-            func_str += cls_str
-
-            # Allocating Memory for the required Project and Pahses and Resources
-            exec(func_str)
-            Project = eval('Project_%d' % project.id)
-            project = None
-            try:
-                project = Task.BalancedProject(Project)
-            except :
-                raise osv.except_osv(_('Error !'),_('Phase Scheduling is not possible.\nProject should have the Start date and member for scheduling.'))
-            
-            for task_id in task_ids:
-                task = eval("project.Task_%d" % task_id)
-                start_date = task.start.to_datetime()
-                end_date = task.end.to_datetime()
-                
-                task_pool.write(cr, uid, [task_id], {
-                                      'date_start': start_date.strftime('%Y-%m-%d'),
-                                      'date_end': end_date.strftime('%Y-%m-%d')
-                                    }, context=context)
+        projects = self.browse(cr, uid, ids, context=context)
+        result = self._schedule_header(cr, uid, ids, context=context)
+        for project in projects:
+            result += self._schedule_project(cr, uid, project, context=context)
+            result += self.pool.get('project.phase').generate_phase(cr, uid, project.phase_ids, context=context)
+
+        local_dict = {}
+        exec result in local_dict
+        projects_gantt = Task.BalancedProject(local_dict['Project'])
+
+        for project in projects:
+            project_gantt = getattr(projects_gantt, 'Project_%d' % (project.id,))
+            for phase in project.phase_ids:
+                if phase.state in ('done','cancelled'):
+                    continue
+                # Maybe it's better to update than unlink/create if it already exists ?
+                p = getattr(project_gantt, 'Phase_%d' % (phase.id,))
+
+                self.pool.get('project.user.allocation').unlink(cr, uid, 
+                    [x.id for x in phase.user_ids],
+                    context=context
+                )
+
+                for r in p.booked_resource:
+                    self.pool.get('project.user.allocation').create(cr, uid, {
+                        'user_id': int(r.name[5:]),
+                        'phase_id': phase.id,
+                        'date_start': p.start.strftime('%Y-%m-%d %H:%M:%S'),
+                        'date_end': p.end.strftime('%Y-%m-%d %H:%M:%S')
+                    }, context=context)
+                self.pool.get('project.phase').write(cr, uid, [phase.id], {
+                    'date_start': p.start.strftime('%Y-%m-%d %H:%M:%S'),
+                    'date_end': p.end.strftime('%Y-%m-%d %H:%M:%S')
+                }, context=context)
         return True
-
 project()
 
-class resource_resource(osv.osv):
-    _inherit = "resource.resource"
-    def search(self, cr, uid, args, offset=0, limit=None, order=None, context=None, count=False):
-        if context is None:
-            context = {}
-        if context.get('project_id',False):
-            project_pool = self.pool.get('project.project')
-            project_rec = project_pool.browse(cr, uid, context['project_id'], context=context)
-            user_ids = [user_id.id for user_id in project_rec.members]
-            args.append(('user_id','in',user_ids))
-        return super(resource_resource, self).search(cr, uid, args, offset, limit, order, context, count)
-
-resource_resource()
-
 class project_task(osv.osv):
     _inherit = "project.task"
     _columns = {
         'phase_id': fields.many2one('project.phase', 'Project Phase'),
     }
-    _defaults = {
-        'user_id' : False
-    }
-
-    def generate_task(self, cr, uid, task_id, parent=False, flag=False, context=None):
-        if context is None:
-            context = {}
-        task = self.browse(cr, uid, task_id, context=context)
-        duration = str(task.planned_hours )+ 'H'
-        str_resource = False
-        if task.phase_id.resource_ids:
-            str_resource = ('%s | '*len(task.phase_id.resource_ids))[:-2]
-            str_resource = str_resource % tuple(map(lambda x: 'Resource_%s'%x.resource_id.id, task.phase_id.resource_ids))
-        # Task Defination for the Phase of the Project
-        if not flag:
-            s = '''
-        def Task_%s():
-            title = \"%s\"
-            effort = \'%s\'
-            resource = %s
-'''%(task.id, task.name, duration, str_resource)
-            #start = datetime.strftime((datetime.strptime(start, "%Y-%m-%d")), "%Y-%m-%d")
-        else:
-            s = '''
-    def Task_%s():
-        title = \"%s\"
-        effort = \'%s\'
-        resource = %s
-'''%(task.id, task.name, duration, str_resource)
-        s += '\n'
-        return s
 project_task()
+
 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4: