[IMP]improve count method of model improve code

bzr revid: sgo@tinyerp.com-20120507100742-gy5e5ur5b93h1zty

addons/project/project.py

@@ -156,12 +156,11 @@ class project(osv.osv):
         return super(project, self).unlink(cr, uid, ids, *args, **kwargs)
     
     def _task_count(self, cr, uid, ids, field_name, arg, context=None):
-        open_task={}
-        task_pool=self.pool.get('project.task')
-        for id in ids:
-            task_ids = task_pool.search(cr, uid, [('project_id', '=', id)])
-            open_task[id] = len(task_ids)
-        return open_task
+        res = dict.fromkeys(ids, 0)
+        task_ids = self.pool.get('project.task').search(cr, uid, [('project_id', 'in', ids)])
+        for task in self.pool.get('project.task').browse(cr, uid, task_ids, context):
+            res[task.project_id.id] += 1
+        return res
     
     _columns = {
         'complete_name': fields.function(_complete_name, string="Project Name", type='char', size=250),

addons/project_issue/project_issue.py

@@ -518,11 +518,11 @@ class project(osv.osv):
     _inherit = "project.project"
 
     def _issue_count(self, cr, uid, ids, field_name, arg, context=None):
-        res={}
-        issue_pool=self.pool.get('project.issue')
-        for project in self.browse(cr, uid, ids, context=context):
-            issues = issue_pool.search(cr, uid, [('project_id','=',project.id)])
-            res[project.id] = len(issues)
+        res = dict.fromkeys(ids, 0)
+        issue_pool = self.pool.get('project.issue')
+        issue_ids = issue_pool.search(cr, uid, [('project_id', 'in', ids)])
+        for issue in issue_pool.browse(cr, uid, issue_ids, context):
+            res[issue.project_id.id] += 1
         return res
 
     _columns = {

addons/project_long_term/project_long_term.py

@@ -218,12 +218,12 @@ class project(osv.osv):
     _inherit = "project.project"
     
     def _phase_count(self, cr, uid, ids, field_name, arg, context=None):
-        open_phase={}
-        phase_pool=self.pool.get('project.phase')
-        for id in ids:
-            phase_ids = phase_pool.search(cr, uid, [('project_id', '=', id)])
-            open_phase[id] = len(phase_ids)
-        return open_phase
+        res = dict.fromkeys(ids, 0)
+        phase_pool = self.pool.get('project.phase')
+        phase_ids = phase_pool.search(cr, uid, [('project_id', 'in', ids)])
+        for phase in phase_pool.browse(cr, uid, phase_ids, context):
+            res[phase.project_id.id] += 1
+        return res
      
     _columns = {
         'phase_ids': fields.one2many('project.phase', 'project_id', "Project Phases"),