Merge pull request #392 from EverythingMe/feature/post_to_create_a_query

Support posting to /queries/new to create a new query.

redash/controllers.py

@@ -135,6 +135,24 @@ def format_sql_query():
     return sqlparse.format(query, reindent=True, keyword_case='upper')
 
 
+@app.route('/queries/new', methods=['POST'])
+@auth.required
+def create_query_route():
+    query = request.form.get('query', None)
+    data_source_id = request.form.get('data_source_id', None)
+
+    if query is None or data_source_id is None:
+        abort(400)
+
+    query = models.Query.create(name="New Query",
+                                query=query,
+                                data_source=data_source_id,
+                                user=current_user._get_current_object(),
+                                ttl=-1)
+
+    return redirect('/queries/{}'.format(query.id), 303)
+
+
 class BaseResource(Resource):
     decorators = [auth.required]
 
@@ -326,8 +344,6 @@ def post(self):
         query = models.Query(**query_def)
         query.save()
 
-        query.create_default_visualizations()
-
         return query.to_dict()
 
     @require_permission('view_query')
@@ -350,6 +366,7 @@ def post(self, query_id):
         if 'data_source_id' in query_def:
             query_def['data_source'] = query_def.pop('data_source_id')
 
+        # TODO: use #save() with #dirty_fields.
         models.Query.update_instance(query_id, **query_def)
 
         query = models.Query.get_by_id(query_id)

redash/models.py

@@ -60,6 +60,21 @@ class Meta:
     def get_by_id(cls, model_id):
         return cls.get(cls.id == model_id)
 
+    def pre_save(self, created):
+        # Handler for pre_save operations. Overriding if needed.
+        pass
+
+    def post_save(self, created):
+        # Handler for post_save operations. Overriding if needed.
+        pass
+
+    def save(self, *args, **kwargs):
+        pk_value = self._get_pk_value()
+        created = kwargs.get('force_insert', False) or not bool(pk_value)
+        self.pre_save(created)
+        super(BaseModel, self).save(*args, **kwargs)
+        self.post_save(created)
+
 
 class PermissionsCheckMixin(object):
     def has_permission(self, permission):
@@ -306,12 +321,6 @@ class Query(BaseModel):
     class Meta:
         db_table = 'queries'
 
-    def create_default_visualizations(self):
-        table_visualization = Visualization(query=self, name="Table",
-                                            description='',
-                                            type="TABLE", options="{}")
-        table_visualization.save()
-
     def to_dict(self, with_stats=False, with_visualizations=False, with_user=True):
         d = {
             'id': self.id,
@@ -396,6 +405,7 @@ def search(cls, term):
 
     @classmethod
     def recent(cls, user_id):
+        # TODO: instead of t2 here, we should define table_alias for Query table
         return cls.select().where(Event.created_at > peewee.SQL("current_date - 7")).\
             join(Event, on=(Query.id == peewee.SQL("t2.object_id::integer"))).\
             where(Event.action << ('edit', 'execute', 'edit_name', 'edit_description', 'view_source')).\
@@ -414,10 +424,19 @@ def update_instance(cls, query_id, **kwargs):
         update = cls.update(**kwargs).where(cls.id == query_id)
         return update.execute()
 
-    def save(self, *args, **kwargs):
+    def pre_save(self, created):
         self.query_hash = utils.gen_query_hash(self.query)
         self._set_api_key()
-        super(Query, self).save(*args, **kwargs)
+
+    def post_save(self, created):
+        if created:
+            self._create_default_visualizations()
+
+    def _create_default_visualizations(self):
+        table_visualization = Visualization(query=self, name="Table",
+                                            description='',
+                                            type="TABLE", options="{}")
+        table_visualization.save()
 
     def _set_api_key(self):
         if not self.api_key:

tests/test_controllers.py

@@ -294,7 +294,8 @@ def test_delete_visualization(self):
             rv = json_request(c.delete, '/api/visualizations/{0}'.format(visualization.id))
 
             self.assertEquals(rv.status_code, 200)
-            self.assertEquals(models.Visualization.select().count(), 0)
+            # =1 because each query has a default table visualization.
+            self.assertEquals(models.Visualization.select().count(), 1)
 
     def test_update_visualization(self):
         visualization = visualization_factory.create()

tests/test_import.py

@@ -26,8 +26,10 @@ def test_imports_dashboard_correctly(self):
         self.assertEqual(dashboard.widgets.count(),
                          reduce(lambda s, row: s + len(row), self.dashboard['widgets'], 0))
 
-        self.assertEqual(models.Visualization.select().count(), dashboard.widgets.count()-1)
-        self.assertEqual(models.Query.select().count(), dashboard.widgets.count()-2)
+        queries_count = models.Query.select().count()
+
+        self.assertEqual(models.Visualization.select().count(), dashboard.widgets.count()+queries_count-1)
+        self.assertEqual(queries_count, dashboard.widgets.count()-2)
 
     def test_imports_updates_existing_models(self):
         importer = import_export.Importer(data_source=data_source_factory.create())

tests/test_models.py

@@ -65,6 +65,10 @@ def test_search_by_id_returns_query(self):
         self.assertNotIn(q1, queries)
         self.assertNotIn(q2, queries)
 
+    def test_save_creates_default_visualization(self):
+        q = query_factory.create()
+        self.assertEquals(q.visualizations.count(), 1)
+
 
 class QueryArchiveTest(BaseTestCase):
     def setUp(self):