feat(network): define a response handler for image deletion

app/components/network/networkController.js

@@ -17,18 +17,21 @@ function ($scope, Network, Messages, $state, $stateParams, errorMsgFilter) {
   $scope.remove = function remove(networkId) {
     $('#loadingViewSpinner').show();
     Network.remove({id: $stateParams.id}, function (d) {
-      var error = errorMsgFilter(d);
+      if (d.message) {
-      if (error) {
         $('#loadingViewSpinner').hide();
-        Messages.send("Error", error);
+        Messages.send("Error", d.message);
       } else {
         $('#loadingViewSpinner').hide();
-        Messages.send("Network deleted", $stateParams.id);
+        Messages.send("Network removed", $stateParams.id);
         $state.go('networks', {});
       }
     }, function (e) {
       $('#loadingViewSpinner').hide();
-      Messages.error("Failure", e.data);
+      if (e.data.message) {
+        Messages.error("Failure", e.data.message);
+      } else {
+        Messages.error("Failure", 'Unable to remove network');
+      }
     });
   };
 

app/components/networks/networksController.js

@@ -45,17 +45,21 @@ function ($scope, $state, Network, Config, Messages, errorMsgFilter) {
       if (network.Checked) {
         counter = counter + 1;
         Network.remove({id: network.Id}, function (d) {
-          var error = errorMsgFilter(d);
+          if (d.message) {
-          if (error) {
+            Messages.send("Error", d.message);
-            Messages.send("Error", error);
           } else {
-            Messages.send("Network deleted", network.Id);
+            Messages.send("Network removed", network.Id);
             var index = $scope.networks.indexOf(network);
             $scope.networks.splice(index, 1);
           }
           complete();
         }, function (e) {
-          Messages.error("Failure", e.data);
+          console.log(JSON.stringify(e, null, 4));
+          if (e.data.message) {
+            Messages.error("Failure", e.data.message);
+          } else {
+            Messages.error("Failure", 'Unable to remove network');
+          }
           complete();
         });
       }

app/shared/responseHandlers.js

@@ -33,3 +33,27 @@ function deleteImageHandler(data) {
   response = angular.fromJson(data);
   return response;
 }
+
+// Network delete API returns an empty string on success.
+// On error, it returns either an error message as a string (Docker < 1.12) or a JSON object with the field message
+// container the error (Docker = 1.12).
+// This handler returns an empty object on success or a JSON object with the field message container the error message
+// on failure.
+function deleteNetworkHandler(data) {
+  console.log(JSON.stringify(data, null, 4));
+  var response = {};
+  // No data is returned when deletion is successful (Docker 1.9 -> 1.12)
+  if (!data) {
+    return response;
+  }
+  // A string is returned when an error occurs (Docker < 1.12)
+  else if (data && !isJSON(data)) {
+    response.message = data;
+    return response;
+  }
+  // Docker 1.12 returns a valid JSON object when an error occurs
+  else {
+    response = angular.fromJson(data);
+  }
+  return response;
+}

app/shared/services.js

@@ -135,7 +135,7 @@ angular.module('uifordocker.services', ['ngResource', 'ngSanitize'])
             query: {method: 'GET', isArray: true},
             get: {method: 'GET'},
             create: {method: 'POST', params: {action: 'create'}},
-            remove: {method: 'DELETE'},
+            remove: { method: 'DELETE', transformResponse: deleteNetworkHandler },
             connect: {method: 'POST', params: {action: 'connect'}},
             disconnect: {method: 'POST', params: {action: 'disconnect'}}
         });