Adding a button to test connections

panoramix/templates/panoramix/models/database/add.html

@@ -0,0 +1,7 @@
+{% extends "appbuilder/general/model/add.html" %}
+
+{% import "panoramix/models/database/macros.html" as macros %}
+{% block tail_js %}
+  {{ super() }}
+  {{ macros.testconn() }}
+{% endblock %}

panoramix/templates/panoramix/models/database/edit.html

@@ -0,0 +1,7 @@
+{% extends "appbuilder/general/model/edit.html" %}
+
+{% import "panoramix/models/database/macros.html" as macros %}
+{% block tail_js %}
+  {{ super() }}
+  {{ macros.testconn() }}
+{% endblock %}

panoramix/templates/panoramix/models/database/macros.html

@@ -0,0 +1,19 @@
+{% macro testconn() %}
+  <script>
+    $("#sqlalchemy_uri").parent()
+      .append('<button id="testconn" class="btn">Test Connection</button>');
+    $("#testconn").click(function() {
+      var url = "/panoramix/testconn";
+      $.ajax({
+        method: "GET",
+        url: url,
+        data: { uri: $("#sqlalchemy_uri").val() }
+      }).done(function() {
+          alert("success");
+      }).fail(function(error) {
+          alert("ERROR: " + error.responseText);
+      });
+      return false;
+    });
+  </script>
+{% endmacro %}

panoramix/views.py

@@ -3,12 +3,13 @@
 import logging
 
 from flask import request, redirect, flash, Response
-from flask.ext.appbuilder.models.sqla.interface import SQLAInterface
 from flask.ext.appbuilder import ModelView, CompactCRUDMixin, BaseView, expose
+from flask.ext.appbuilder.actions import action
+from flask.ext.appbuilder.models.sqla.interface import SQLAInterface
 from flask.ext.appbuilder.security.decorators import has_access
 from pydruid.client import doublesum
+from sqlalchemy import create_engine
 from wtforms.validators import ValidationError
-from flask.ext.appbuilder.actions import action
 
 from panoramix import appbuilder, db, models, viz, utils, app, config
 
@@ -91,6 +92,8 @@ class DatabaseView(ModelView, DeleteMixin):
     list_columns = ['database_name']
     add_columns = ['database_name', 'sqlalchemy_uri']
     edit_columns = add_columns
+    add_template = "panoramix/models/database/add.html"
+    edit_template = "panoramix/models/database/edit.html"
 
 appbuilder.add_view(
     DatabaseView,
@@ -317,7 +320,19 @@ def save_dash(self, dashboard_id):
         return "SUCCESS"
 
     @has_access
-    @expose("/save/")
+    @expose("/testconn/")
+    def testconn(self):
+        try:
+            db = create_engine(request.args.get('uri'))
+            for i in range(15):
+                request.args.get('uri')
+            db.connect()
+            return "SUCCESS"
+        except Exception as e:
+            return Response(
+                str(e),
+                status=500,
+                mimetype="application/json")
 
     @has_access
     @expose("/dashboard/<id_>/")