Added page_size parameter for notifications api. All tests passing.

Add page_size and total parameters to all calls for notifications.

app/dao/notifications_dao.py

@@ -198,12 +198,14 @@ def get_notification_for_job(service_id, job_id, notification_id):
     return Notification.query.filter_by(service_id=service_id, job_id=job_id, id=notification_id).one()
 
 
-def get_notifications_for_job(service_id, job_id, filter_dict=None, page=1):
+def get_notifications_for_job(service_id, job_id, filter_dict=None, page=1, page_size=None):
+    if page_size is None:
+        page_size = current_app.config['PAGE_SIZE']
     query = Notification.query.filter_by(service_id=service_id, job_id=job_id)
     query = filter_query(query, filter_dict)
     pagination = query.order_by(desc(Notification.created_at)).paginate(
         page=page,
-        per_page=current_app.config['PAGE_SIZE']
+        per_page=page_size
     )
     return pagination
 
@@ -216,12 +218,14 @@ def get_notification_by_id(notification_id):
     return Notification.query.filter_by(id=notification_id).first()
 
 
-def get_notifications_for_service(service_id, filter_dict=None, page=1):
+def get_notifications_for_service(service_id, filter_dict=None, page=1, page_size=None):
+    if page_size is None:
+        page_size = current_app.config['PAGE_SIZE']
     query = Notification.query.filter_by(service_id=service_id)
     query = filter_query(query, filter_dict)
     pagination = query.order_by(desc(Notification.created_at)).paginate(
         page=page,
-        per_page=current_app.config['PAGE_SIZE']
+        per_page=page_size
     )
     return pagination
 

app/notifications/rest.py

@@ -190,14 +190,17 @@ def get_all_notifications():
         return jsonify(result="error", message=errors), 400
 
     page = data['page'] if 'page' in data else 1
+    page_size = data['page_size'] if 'page_size' in data else current_app.config.get('PAGE_SIZE')
 
     pagination = notifications_dao.get_notifications_for_service(
         api_user['client'],
         filter_dict=data,
-        page=page)
-
+        page=page,
+        page_size=page_size)
     return jsonify(
         notifications=notification_status_schema.dump(pagination.items, many=True).data,
+        page_size=page_size,
+        total=pagination.total,
         links=pagination_links(
             pagination,
             '.get_all_notifications',
@@ -214,15 +217,19 @@ def get_all_notifications_for_service(service_id):
         return jsonify(result="error", message=errors), 400
 
     page = data['page'] if 'page' in data else 1
+    page_size = data['page_size'] if 'page_size' in data else current_app.config.get('PAGE_SIZE')
 
     pagination = notifications_dao.get_notifications_for_service(
         service_id,
         filter_dict=data,
-        page=page)
+        page=page,
+        page_size=page_size)
     kwargs = request.args.to_dict()
     kwargs['service_id'] = service_id
     return jsonify(
         notifications=notification_status_schema.dump(pagination.items, many=True).data,
+        page_size=page_size,
+        total=pagination.total,
         links=pagination_links(
             pagination,
             '.get_all_notifications_for_service',
@@ -239,17 +246,21 @@ def get_all_notifications_for_service_job(service_id, job_id):
         return jsonify(result="error", message=errors), 400
 
     page = data['page'] if 'page' in data else 1
+    page_size = data['page_size'] if 'page_size' in data else current_app.config.get('PAGE_SIZE')
 
     pagination = notifications_dao.get_notifications_for_job(
         service_id,
         job_id,
         filter_dict=data,
-        page=page)
+        page=page,
+        page_size=page_size)
     kwargs = request.args.to_dict()
     kwargs['service_id'] = service_id
     kwargs['job_id'] = job_id
     return jsonify(
         notifications=notification_status_schema.dump(pagination.items, many=True).data,
+        page_size=page_size,
+        total=pagination.total,
         links=pagination_links(
             pagination,
             '.get_all_notifications_for_service_job',

app/schemas.py

@@ -234,6 +234,7 @@ class NotificationsFilterSchema(ma.Schema):
     template_type = fields.Nested(BaseTemplateSchema, only=['template_type'], many=True)
     status = fields.Nested(NotificationModelSchema, only=['status'], many=True)
     page = fields.Int(required=False)
+    page_size = fields.Int(required=False)
 
     @pre_load
     def handle_multidict(self, in_data):
@@ -254,8 +255,7 @@ class NotificationsFilterSchema(ma.Schema):
             in_data['status'] = [x.status for x in in_data['status']]
         return in_data
 
-    @validates('page')
-    def validate_page(self, value):
+    def _validate_positive_number(self, value):
         try:
             page_int = int(value)
             if page_int < 1:
@@ -263,6 +263,14 @@ class NotificationsFilterSchema(ma.Schema):
         except:
             raise ValidationError("Not a positive integer")
 
+    @validates('page')
+    def validate_page(self, value):
+        self._validate_positive_number(value)
+
+    @validates('page_size')
+    def validate_page_size(self, value):
+        self._validate_positive_number(value)
+
 
 class TemplateStatisticsSchema(BaseSchema):