[ADD] Project_long_term: compute phase tasks date wizard => osv memory convert

bzr revid: mra@tinyerp.com-20100406105001-6pluzi9wopa3ewot

1 files changed, 142 insertions, 0 deletions

diff --git a/addons/project_long_term/wizard/project_compute_tasks.py b/addons/project_long_term/wizard/project_compute_tasks.py
new file mode 100644
index 00000000000..90d2b428580
--- /dev/null
+++ b/addons/project_long_term/wizard/project_compute_tasks.py
@@ -0,0 +1,142 @@
+# -*- coding: utf-8 -*-
+##############################################################################
+#
+#    OpenERP, Open Source Management Solution
+#    Copyright (C) 2004-2009 Tiny SPRL (<http://tiny.be>).
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU Affero General Public License as
+#    published by the Free Software Foundation, either version 3 of the
+#    License, or (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU Affero General Public License for more details.
+#
+#    You should have received a copy of the GNU Affero General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+##############################################################################
+import datetime
+from resource.faces import *
+from new import classobj
+import operator
+
+from tools.translate import _
+from osv import osv, fields
+
+import working_calendar as wkcal
+
+class project_compute_tasks(osv.osv_memory):
+    _name = 'project.compute.tasks'
+    _description = 'Project Compute Tasks'
+    _columns = {
+        'project_id': fields.many2one('project.project', 'Project', required=True)
+                }
+
+    def compute_date(self, cr, uid, ids, context=None):
+        """
+        Schedule the tasks according to resource available and priority.
+        """
+        project_obj = self.pool.get('project.project')
+        task_pool = self.pool.get('project.task')
+        resource_obj = self.pool.get('resource.resource')
+        user_obj = self.pool.get('res.users')
+
+        if context is None:
+            context = {}
+
+        data = self.read(cr, uid, ids, [])[0]
+        project_id = data['project_id']
+        project = project_obj.browse(cr, uid, project_id, context=context)
+        task_ids = task_pool.search(cr, uid, [('project_id', '=', project_id),
+                                              ('state', 'in', ['draft', 'open', 'pending'])
+                                              ])
+        if task_ids:
+            task_ids.sort()
+            tasks = task_pool.browse(cr, uid, task_ids, context=context)
+            calendar_id = project.resource_calendar_id and project.resource_calendar_id.id or False
+            start_date = project.date_start
+            if not project.date_start:
+                start_date = datetime.datetime.now().strftime("%Y-%m-%d")
+            date_start = datetime.datetime.strftime(datetime.datetime.strptime(start_date, "%Y-%m-%d"), "%Y-%m-%d %H:%M")
+            # Create Resource Class objects which are the Project Members
+            resources = []
+            for user in project.members:
+                leaves = []
+                time_efficiency = 1.0
+                resource_id = resource_obj.search(cr, uid, [('user_id', '=', user.id)], context=context)
+                if resource_id:
+#                    resource = resource_obj.browse(cr, uid, resource_id, context=context)[0]
+                    resource = resource_obj.read(cr, uid, resource_id, ['calendar_id','time_efficiency'], context=context)[0]
+                    if resource.get('calendar_id', False):
+                       leaves = wkcal.compute_leaves(cr, uid, calendar_id , resource_id[0], resource['calendar_id'] and resource['calendar_id'][0] or False)
+                    time_efficiency = resource.get('time_efficiency')
+                resources.append(classobj((user.name.encode('utf8')), (Resource,), {'__doc__': user.name,
+                                                                        '__name__': user.name,
+                                                                        'vacation': tuple(leaves),
+                                                                        'efficiency': time_efficiency
+                                                                        }))
+            priority_dict = {'0': 1000, '1': 800, '2': 500, '3': 300,'4': 100}
+            # Create dynamic no of tasks with the resource specified
+            def create_tasks(j, eff, priorty=500, obj=None):
+                def task():
+                    """
+                    task is a dynamic method!
+                    """
+                    effort = eff
+                    if obj:
+                        resource = obj
+                    priority = priorty
+                task.__doc__ = "TaskNO%d" %j
+                task.__name__ = "task%d" %j
+                return task
+
+            # Create a 'Faces' project with all the tasks and resources
+            def Project():
+                title = project.name
+                start = date_start
+                try:
+                    resource = reduce(operator.or_, resources)
+                except:
+                    raise osv.except_osv(_('Error'), _('Project must have members assigned !'))
+                minimum_time_unit = 1
+                if calendar_id:        # If project has calendar
+                    working_days = wkcal.compute_working_calendar(cr, uid, calendar_id)
+                    vacation = tuple(wkcal.compute_leaves(cr, uid, calendar_id))
+                # Dynamic Creation of tasks
+                i = 0
+                for each_task in tasks:
+                    hours = str(each_task.planned_hours / each_task.occupation_rate)+ 'H'
+                    if each_task.priority in priority_dict.keys():
+                        priorty = priority_dict[each_task.priority]
+                    if each_task.user_id:
+                       for resource in resources:
+                            if resource.__name__ == each_task.user_id.name: # check me!!
+                               task = create_tasks(i, hours, priorty, resource)
+                    else:
+                        task = create_tasks(i, hours, priorty)
+                    i += 1
+
+            project = BalancedProject(Project)
+            loop_no = 0
+            # Write back the computed dates
+            for t in project:
+                s_date = t.start.to_datetime()
+                e_date = t.end.to_datetime()
+                if loop_no == 0:
+                    project_obj.write(cr, uid, [project_id], {'date' : e_date}, context=context)
+                else:
+                    ctx = context.copy()
+                    ctx.update({'scheduler': True})
+                    user_id = user_obj.search(cr, uid, [('name', '=', t.booked_resource[0].__name__)])
+                    task_pool.write(cr, uid, [tasks[loop_no-1].id], {'date_start': s_date.strftime('%Y-%m-%d %H:%M:%S'),
+                                                                         'date_deadline': e_date.strftime('%Y-%m-%d %H:%M:%S'),
+                                                                         'user_id': user_id[0]},
+                                                                         context=ctx)
+                loop_no +=1
+        return {} #improve me => Task Scheduling completed successfully => give this msg at end of wizard
+
+project_compute_tasks()
+# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
\ No newline at end of file