Fix for git commit review.

app/dao/__init__.py

@@ -1,6 +1,4 @@
 from sqlalchemy.exc import SQLAlchemyError
-from werkzeug.datastructures import MultiDict
-from sqlalchemy.orm.relationships import RelationshipProperty
 from app import db
 
 
@@ -19,37 +17,14 @@ class DAOClass(object):
         if _commit:
             db.session.commit()
 
-    def update_instance(self, inst, update_dict):
+    def update_instance(self, inst, update_dict, _commit=True):
         # Make sure the id is not included in the update_dict
         update_dict.pop('id')
         self.Meta.model.query.filter_by(id=inst.id).update(update_dict)
-        db.session.commit()
+        if _commit:
+            db.session.commit()
 
-    def get_query(self, filter_by_dict={}):
-        if isinstance(filter_by_dict, dict):
-            filter_by_dict = MultiDict(filter_by_dict)
-        query = self.Meta.model.query
-        for k in filter_by_dict.keys():
-            query = self._build_query(query, k, filter_by_dict.getlist(k))
-        return query
-
-    def delete_instance(self, inst):
+    def delete_instance(self, inst, _commit=True):
         db.session.delete(inst)
-        db.session.commit()
-
-    def _build_query(self, query, key, values):
-        # TODO Lots to do here to work with all types of filters.
-        field = getattr(self.Meta.model, key, None)
-        filters = getattr(self.Meta, 'filter', [key])
-        if field and key in filters:
-            if isinstance(field.property, RelationshipProperty):
-                if len(values) == 1:
-                    query = query.filter_by(**{key: field.property.mapper.class_.query.get(values[0])})
-                elif len(values) > 1:
-                    query = query.filter(field.in_(field.property.mapper.class_.query.any(values[0])))
-            else:
-                if len(values) == 1:
-                    query = query.filter_by(**{key: values[0]})
-                elif len(values) > 1:
-                    query = query.filter(field.in_(values))
-        return query
+        if _commit:
+            db.session.commit()

app/dao/permissions_dao.py

@@ -1,5 +1,6 @@
 from app.dao import DAOClass
-from app.models import Permission
+from app.models import (Permission, Service, User)
+from werkzeug.datastructures import MultiDict
 
 
 # Service Permissions
@@ -15,6 +16,26 @@ class PermissionDAO(DAOClass):
     class Meta:
         model = Permission
 
+    def get_query(self, filter_by_dict={}):
+        if isinstance(filter_by_dict, dict):
+            filter_by_dict = MultiDict(filter_by_dict)
+        query = self.Meta.model.query
+        if 'id' in filter_by_dict:
+            query = query.filter(Permission.id.in_(filter_by_dict.getlist('id')))
+        if 'service' in filter_by_dict:
+            service_ids = filter_by_dict.getlist('service')
+            if len(service_ids) == 1:
+                query.filter_by(service=Service.query.get(service_ids[0]))
+            # TODO the join method for multiple services
+        if 'user' in filter_by_dict:
+            user_ids = filter_by_dict.getlist('service')
+            if len(user_ids) == 1:
+                query = query.filter_by(user=User.query.get(user_ids[0]))
+            # TODO the join method for multiple users
+        if 'permission' in filter_by_dict:
+            query = query.filter(Permission.permission.in_(filter_by_dict.getlist('permission')))
+        return query
+
     def add_default_service_permissions_for_user(self, user, service):
         for name in default_service_permissions:
             permission = Permission(permission=name, user=user, service=service)

app/dao/services_dao.py

@@ -24,12 +24,13 @@ def dao_create_service(service, user):
         from app.dao.permissions_dao import permission_dao
         service.users.append(user)
         permission_dao.add_default_service_permissions_for_user(user, service)
+        db.session.add(service)
     except Exception as e:
         # Proper clean up
         db.session.rollback()
         raise e
-    db.session.add(service)
-    db.session.commit()
+    else:
+        db.session.commit()
 
 
 def dao_update_service(service):