[MERGE]with lp:~openerp-dev/openobject-addons/trunk-dev-addons1

bzr revid: jam@tinyerp.com-20110113050708-oyenkqlauip49bam

1 files changed, 345 insertions, 254 deletions

diff --git a/addons/project_long_term/project_long_term.py b/addons/project_long_term/project_long_term.py
index 3f03c139ef9..a795dd76dee 100644
--- a/addons/project_long_term/project_long_term.py
+++ b/addons/project_long_term/project_long_term.py
@@ -19,15 +19,10 @@
 #
 ##############################################################################
 
-from datetime import datetime, timedelta
-from dateutil.relativedelta import relativedelta
+from datetime import datetime
 from tools.translate import _
 from osv import fields, osv
 from resource.faces import task as Task 
-import operator
-from new import classobj
-import types
-import new
 
 class project_phase(osv.osv):
     _name = "project.phase"
@@ -108,7 +103,7 @@ class project_phase(osv.osv):
 
     _columns = {
         'name': fields.char("Name", size=64, required=True),
-        'date_start': fields.date('Start Date', help="It's computed according to the phases order : the start date of the 1st phase is set by you while the other start dates depend on the end date of their previous phases", states={'done':[('readonly',True)], 'cancelled':[('readonly',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)]}),
@@ -215,46 +210,73 @@ class project_phase(osv.osv):
         self.write(cr, uid, ids, {'state': 'done'})
         return True
 
-    def generate_resources(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 phase in self.browse(cr, uid, ids, context=context):
-            resource_objs = map(lambda x:x.resource_id.name, phase.resource_ids)
-            res[phase.id] = resource_objs
-        return res
-
     def generate_phase(self, cr, uid, ids, f, parent=False, context=None):
         if context is None:
             context = {}
         phase_ids = []
-        resource_pool = self.pool.get('resource.resource')
         data_pool = self.pool.get('ir.model.data')
-        resource_allocation_pool = self.pool.get('project.resource.allocation')
         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)[::-1]:
+        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))[:-1]
+            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))
+
             # Phases Defination for the Project
             s = '''
     def Phase_%s():
+        title = \"%s\"
         effort = \'%s\'
         resource = %s
-'''%(phase.id, duration, str_vals or False)
-            if parent:
-                start = 'up.Phase_%s.end' % (parent.id)
+'''%(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 = ''
+            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)
-            f += s + '\n'
+                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']:
@@ -265,60 +287,58 @@ class project_phase(osv.osv):
                     continue
         return f, phase_ids
 
-    def generate_schedule(self, cr, uid, root_phase, start_date=False, calendar_id=False, context=None):
+    def schedule_tasks(self, cr, uid, ids, context=None):
         """
-        Schedule phase with the start date till all the next phases are completed.
-        @param: start_date (datetime.datetime) : start date for the phase. It would be either Start date of phase or start date of project or system current date
-        @param: calendar_id : working calendar of the project
+        Schedule tasks base on faces lib
         """
-        func_str = ''
         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')
-        data_pool = self.pool.get('ir.model.data')
-        resource_allocation_pool = self.pool.get('project.resource.allocation')
-        uom_pool = self.pool.get('product.uom')
-        data_model, day_uom_id = data_pool.get_object_reference(cr, uid, 'product', 'uom_day')
-        
-
-        if not start_date:
-            start_date = root_phase.project_id.date_start or root_phase.date_start or datetime.now().strftime("%Y-%m-%d")
+        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))
 
-        start = start_date
-        minimum_time_unit = 1
-        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))
-        working_days = resource_pool.compute_working_calendar(cr, uid, calendar_id, context=context)
-        
-        #Creating resources using the member of the Project
-        u_ids = [i.id for i in root_phase.project_id.members]
-        resource_objs = resource_pool.generate_resources(cr, uid, u_ids, calendar_id, context=context)
-        cls_str = ''
-        # Creating Resources for the Project
-        for key, vals in resource_objs.items():
-            cls_str +='''
+            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('vacation', False), vals.get('efficiency', False))
-        
-        # Create a new project for each phase
-        func_str += '''
-
-def Project_%d():
-    # If project has working calendar then that
-    # else the default one would be considered
+'''%(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
@@ -327,82 +347,35 @@ def Project_%d():
     working_days_per_year = %s
     vacation = %s
     working_days =  %s
-    from resource.faces import Resource
-'''%(root_phase.project_id.id, 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
-        phases, phase_ids = self.generate_phase(cr, uid, [root_phase.id], func_str, context=context)
-        #Temp File to test the Code for the Allocation
-#        fn = '/home/tiny/Desktop/plt.py'
-#        fp = open(fn, 'w')
-#        fp.writelines(phases)
-#        fp.close()
-        # Allocating Memory for the required Project and Pahses and Resources
-        exec(phases)
-        Project = eval('Project_%d' % root_phase.project_id.id)
-        project = Task.BalancedProject(Project)
+'''%(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 = Task.BalancedProject(Phase)
         
-        for phase_id in phase_ids:
-            phase = eval("project.Phase_%d" % phase_id)
-            start_date = phase.start.to_datetime()
-            end_date = phase.end.to_datetime()
-            for res in phase.resource.all_members():
-                print "\n\n888888888888888",res.book_task()
-#                for i in dir(res):
-#                    print "$$$$$$$$",i,eval('res.%s'%i)
-            # Recalculate date_start and date_end
-            # according to constraints on date start and date end on phase
-#            if phase.constraint_date_start and str(s_date) < phase.constraint_date_start:
-#                start_date = datetime.strptime(phase.constraint_date_start, '%Y-%m-%d')
-#            else:
-#                start_date = s_date
-#            if phase.constraint_date_end and str(e_date) > phase.constraint_date_end:
-#                end_date= datetime.strptime(phase.constraint_date_end, '%Y-%m-%d')
-#                date_start = phase.constraint_date_end
-#            else:
-#                end_date = e_date
-#                date_start = end_date
-#            # Write the calculated dates back
-#            ctx = context.copy()
-#            ctx.update({'scheduler': True})
-            self.write(cr, uid, [phase_id], {
-                                          'date_start': start_date.strftime('%Y-%m-%d'),
-                                          'date_end': end_date.strftime('%Y-%m-%d')
-                                        }, context=context)
-            # write dates into Resources Allocation
-#            for resource in phase.resource_ids:
-#                resource_allocation_pool.write(cr, uid, [resource.id], {
-#                                        'date_start': start_date.strftime('%Y-%m-%d'),
-#                                        'date_end': end_date.strftime('%Y-%m-%d')
-#                                    }, context=context)
-#            # Recursive call till all the next phases scheduled
-
-    def schedule_tasks(self, cr, uid, ids, context=None):
-        """
-        Schedule the tasks according to resource available and priority.
-        """
-        task_pool = self.pool.get('project.task')
-        resource_pool = self.pool.get('resource.resource')
-        resources_list = self.generate_resources(cr, uid, ids, context=context)
-        return_msg = {}
-        for phase in self.browse(cr, uid, ids, context=context):
-            start_date = phase.date_start
-            if not start_date and phase.project_id.date_start:
-                start_date = phase.project_id.date_start
-            if not start_date:
-                start_date = datetime.now().strftime("%Y-%m-%d")
-            resources = resources_list.get(phase.id, [])
-            calendar_id = phase.project_id.resource_calendar_id.id
-            task_ids = map(lambda x : x.id, (filter(lambda x : x.state in ['draft'] , phase.task_ids))) #reassign only task not yet started
-            if task_ids:
-                task_pool.generate_schedule(cr, uid, task_ids, resources, calendar_id, start_date, context=context)
-
-            if not task_ids:
-                warning_msg = _("No tasks to compute for Phase '%s'.") % (phase.name)
-                if "warning" not in return_msg:
-                    return_msg["warning"] =  warning_msg
-                else:
-                    return_msg["warning"] = return_msg["warning"] + "\n" + warning_msg
-        return return_msg
+            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
 project_phase()
 
 class project_resource_allocation(osv.osv):
@@ -454,54 +427,224 @@ class project(osv.osv):
 
     def schedule_phases(self, cr, uid, ids, context=None):
         """
-        Schedule the phases.
+        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')
+
         for project in self.browse(cr, uid, ids, context=context):
-            phase_ids = phase_pool.search(cr, uid, [('project_id', '=', project.id),
+            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 = False
-            for phase in phase_pool.browse(cr, uid, phase_ids, context=context):
-                phase_pool.generate_schedule(cr, uid, phase, start_date, calendar_id, context=context)
-        return True
+            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 resource allocation, Phase Scheduling is not possible.\nPlease check project member resource.'))
+            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 the tasks according to resource available and priority.
+        Schedule task base on faces lib
         """
+        if context is None:
+            context = {}
         if type(ids) in (long, int,):
             ids = [ids]
-        user_pool = self.pool.get('res.users')
         task_pool = self.pool.get('project.task')
         resource_pool = self.pool.get('resource.resource')
-        resources_list = self.generate_members(cr, uid, ids, context=context)
-        return_msg = {}
+        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
-            if not start_date:
-                start_date = datetime.now().strftime("%Y-%m-%d")
-            resources = resources_list.get(project.id, [])
-            calendar_id = project.resource_calendar_id.id
-            task_ids = task_pool.search(cr, uid, [('project_id', '=', project.id),
-                                              ('state', 'in', ['draft', 'open', 'pending'])
-                                              ])
-
-
-            if task_ids:
-                task_pool.generate_schedule(cr, uid, task_ids, resources, calendar_id, start_date, context=context)
-            else:
-                warning_msg = _("No tasks to compute for Project '%s'.") % (project.name)
-                if "warning" not in return_msg:
-                    return_msg["warning"] =  warning_msg
-                else:
-                    return_msg["warning"] = return_msg["warning"] + "\n" + warning_msg
+            #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))
 
-        return return_msg
+            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 = Task.BalancedProject(Project)
+            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)
+        return True
 
 project()
 
@@ -524,88 +667,36 @@ class project_task(osv.osv):
     _columns = {
         'phase_id': fields.many2one('project.phase', 'Project Phase'),
     }
+    _defaults = {
+        'user_id' : False
+    }
 
-    def generate_schedule(self, cr, uid, ids, resources, calendar_id, start_date, context=None):
-        """
-        Schedule the tasks according to resource available and priority.
-        """
-        resource_pool = self.pool.get('resource.resource')
-        if not ids:
-            return False
+    def generate_task(self, cr, uid, task_id, parent=False, flag=False, context=None):
         if context is None:
             context = {}
-        user_pool = self.pool.get('res.users')
-        project_pool = self.pool.get('project.project')
-        priority_dict = {'0': 1000, '1': 800, '2': 500, '3': 300, '4': 100}
-        # Create dynamic no of tasks with the resource specified
-        def create_tasks(task_number, eff, priorty=500, obj=False):
-            def task():
-                """
-                task is a dynamic method!
-                """
-                effort = eff
-                if obj:
-                    resource = obj
-                priority = priorty
-            task.__doc__ = "TaskNO%d" %task_number
-            task.__name__ = "task%d" %task_number
-            return task
-
-        # Create a 'Faces' project with all the tasks and resources
-        def Project():
-            title = "Project"
-            start = datetime.strftime(datetime.strptime(start_date, "%Y-%m-%d"), "%Y-%m-%d %H:%M")
-            try:
-                resource = reduce(operator.or_, resources)
-            except:
-                raise osv.except_osv(_('Error'), _('Resources should be allocated to your phases and Members should be assigned to your Project!'))
-            minimum_time_unit = 1
-            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)
-            # Dynamic creation of tasks
-            task_number = 0
-            for openobect_task in self.browse(cr, uid, ids, context=context):
-                hours = str(openobect_task.planned_hours )+ 'H'
-                if openobect_task.priority in priority_dict.keys():
-                    priorty = priority_dict[openobect_task.priority]
-                real_resource = False
-                if openobect_task.user_id:
-                    for task_resource in resources:
-                        if task_resource.__name__ == task_resource:
-                            real_resource = task_resource
-                            break
-
-                task = create_tasks(task_number, hours, priorty, real_resource)
-                task_number += 1
-
-
-        face_projects = Task.BalancedProject(Project)
-        loop_no = 0
-        # Write back the computed dates
-        for face_project in face_projects:
-            s_date = face_project.start.to_datetime()
-            e_date = face_project.end.to_datetime()
-            if loop_no > 0:
-                ctx = context.copy()
-                ctx.update({'scheduler': True})
-                user_id = user_pool.search(cr, uid, [('name', '=', face_project.booked_resource[0].__name__)])
-                self.write(cr, uid, [ids[loop_no-1]], {
-                                                    'date_start': s_date.strftime('%Y-%m-%d %H:%M:%S'),
-                                                    'date_end': e_date.strftime('%Y-%m-%d %H:%M:%S'),
-                                                    'user_id': user_id[0]
-                                                }, context=ctx)
-
-            loop_no += 1
-        return True
+        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: