Added ajax failure handler to jquery post requests.

src/assets/js/backend_calendar.js

@@ -444,7 +444,7 @@ var BackendCalendar = {
 
                         // Refresh calendar event items.
                         $('#select-filter-item').trigger('change');
-                    }, 'json');
+                    }, 'json').fail(GeneralFunctions.ajaxFailureHandler);
                 };
 
                 messageButtons[EALang['cancel']] = function() {
@@ -486,7 +486,7 @@ var BackendCalendar = {
 
                     // Refresh calendar event items.
                     $('#select-filter-item').trigger('change');
-                }, 'json');
+                }, 'json').fail(GeneralFunctions.ajaxFailureHandler);
             }
         });
 
@@ -740,7 +740,7 @@ var BackendCalendar = {
 
                                 $('#select-google-calendar').modal('show');
 
-                            }, 'json');
+                            }, 'json').fail(GeneralFunctions.ajaxFailureHandler);
                         }
                     }
                 }, 100);
@@ -970,7 +970,7 @@ var BackendCalendar = {
                 if (!GeneralFunctions.handleAjaxExceptions(response)) return;
                 Backend.displayNotification(EALang['google_calendar_selected']);
                 $('#select-google-calendar').modal('hide');
-            });
+            }, 'json').fail(GeneralFunctions.ajaxFailureHandler);
         });
 
         /**
@@ -1038,7 +1038,7 @@ var BackendCalendar = {
                 };
 
                 calendarEvents.push(event);
-            });
+            }, 'json').fail(GeneralFunctions.ajaxFailureHandler);
 
             $calendar.fullCalendar('removeEvents');
             $calendar.fullCalendar('addEventSource', calendarEvents);
@@ -1403,7 +1403,7 @@ var BackendCalendar = {
                     $.post(postUrl, postData, function(response) {
                         $('#notification').hide('blind');
                         revertFunc();
-                    });
+                    }, 'json').fail(GeneralFunctions.ajaxFailureHandler);
                 };
 
                 Backend.displayNotification(EALang['appointment_updated'], [
@@ -1459,7 +1459,7 @@ var BackendCalendar = {
                     $.post(postUrl, postData, function(response) {
                         $('#notification').hide('blind');
                         revertFunc();
-                    });
+                    }, 'json').fail(GeneralFunctions.ajaxFailureHandler);
                 };
 
                 Backend.displayNotification(EALang['unavailable_updated'], [
@@ -1686,7 +1686,7 @@ var BackendCalendar = {
                     $.post(postUrl, postData, function(response) {
                         $('#notification').hide('blind');
                         revertFunc();
-                    });
+                    }, 'json').fail(GeneralFunctions.ajaxFailureHandler);
                 };
 
                 Backend.displayNotification(EALang['appointment_updated'], [
@@ -1751,7 +1751,7 @@ var BackendCalendar = {
                     $.post(postUrl, postData, function(response) {
                         $('#notification').hide('blind');
                         revertFunc();
-                    });
+                    }, 'json').fail(GeneralFunctions.ajaxFailureHandler);
                 };
 
                 Backend.displayNotification(EALang['unavailable_updated'], [
@@ -1823,7 +1823,7 @@ var BackendCalendar = {
                 $('#message_box').append(GeneralFunctions.exceptionsToHtml(response.exceptions));
                 return;
             }
-        }, 'json');
+        }, 'json').fail(GeneralFunctions.ajaxFailureHandler);
     },
 
     /**

src/assets/js/backend_customers.js

@@ -243,7 +243,7 @@ CustomersHelper.prototype.save = function(customer) {
         BackendCustomers.helper.resetForm();
         $('#filter-customers .key').val('');
         BackendCustomers.helper.filter('', response.id, true);
-    }, 'json');
+    }, 'json').fail(GeneralFunctions.ajaxFailureHandler);
 };
 
 /**
@@ -268,7 +268,7 @@ CustomersHelper.prototype.delete = function(id) {
         Backend.displayNotification(EALang['customer_deleted']);
         BackendCustomers.helper.resetForm();
         BackendCustomers.helper.filter($('#filter-customers .key').val());
-    }, 'json');
+    }, 'json').fail(GeneralFunctions.ajaxFailureHandler);
 };
 
 /**
@@ -405,7 +405,7 @@ CustomersHelper.prototype.filter = function(key, selectId, display) {
             BackendCustomers.helper.select(selectId, display);
         }
 
-    }, 'json');
+    }, 'json').fail(GeneralFunctions.ajaxFailureHandler);
 };
 
 /**

src/assets/js/backend_services.js

@@ -114,7 +114,7 @@ var BackendServices = {
                 $select.append(option);
             });
             $select.append(new Option('- ' + EALang['no_category'] + ' -', null)).val('null');
-        }, 'json');
+        }, 'json').fail(GeneralFunctions.ajaxFailureHandler);
     }
 };
 
@@ -289,7 +289,7 @@ ServicesHelper.prototype.save = function(service) {
         BackendServices.helper.resetForm();
         $('#filter-services .key').val('');
         BackendServices.helper.filter('', response.id, true);
-    }, 'json');
+    }, 'json').fail(GeneralFunctions.ajaxFailureHandler);
 };
 
 /**
@@ -315,7 +315,7 @@ ServicesHelper.prototype.delete = function(id) {
 
         BackendServices.helper.resetForm();
         BackendServices.helper.filter($('#filter-services .key').val());
-    }, 'json');
+    }, 'json').fail(GeneralFunctions.ajaxFailureHandler);
 };
 
 /**
@@ -424,7 +424,7 @@ ServicesHelper.prototype.filter = function(key, selectId, display) {
         if (selectId != undefined) {
             BackendServices.helper.select(selectId, display);
         }
-    }, 'json');
+    }, 'json').fail(GeneralFunctions.ajaxFailureHandler);
 };
 
 /**
@@ -648,7 +648,7 @@ CategoriesHelper.prototype.filter = function(key, selectId, display) {
             BackendServices.helper.select(selectId, display);
         }
 
-    }, 'json');
+    }, 'json').fail(GeneralFunctions.ajaxFailureHandler);
 };
 
 /**
@@ -675,7 +675,7 @@ CategoriesHelper.prototype.save = function(category) {
         $('#filter-categories .key').val('');
         BackendServices.helper.filter('', response.id, true);
         BackendServices.updateAvailableCategories();
-    }, 'json');
+    }, 'json').fail(GeneralFunctions.ajaxFailureHandler);
 };
 
 /**
@@ -702,7 +702,7 @@ CategoriesHelper.prototype.delete = function(id) {
         BackendServices.helper.resetForm();
         BackendServices.helper.filter($('#filter-categories .key').val());
         BackendServices.updateAvailableCategories();
-    }, 'json');
+    }, 'json').fail(GeneralFunctions.ajaxFailureHandler);
 };
 
 /**

src/assets/js/backend_settings.js

@@ -199,7 +199,7 @@ var BackendSettings = {
                     $input.css('border', '');
                     $input.attr('already-exists', 'false');
                 }
-            }, 'json');
+            }, 'json').fail(GeneralFunctions.ajaxFailureHandler);
         });
     }
 };
@@ -242,7 +242,7 @@ SystemSettings.prototype.save = function(settings) {
         BackendSettings.wp.setup(workingPlan);
         BackendSettings.wp.timepickers(false);
 
-    }, 'json');
+    }, 'json').fail(GeneralFunctions.ajaxFailureHandler);
 };
 
 /**
@@ -377,7 +377,7 @@ UserSettings.prototype.save = function(settings) {
         // Update footer greetings.
         $('#footer-user-display-name').text('Hello, ' + $('#first-name').val() + ' ' + $('#last-name').val() + '!');
 
-    }, 'json');
+    }, 'json').fail(GeneralFunctions.ajaxFailureHandler);
 };
 
 /**

src/assets/js/backend_users.js

@@ -159,7 +159,7 @@ var BackendUsers = {
 
                     $('#secretary-providers input[type="checkbox"]').prop('disabled', true);
                     $('#secretary-providers').jScrollPane({ mouseWheelSpeed: 70 });
-                }, 'json');
+                }, 'json').fail(GeneralFunctions.ajaxFailureHandler);
             }
 
             BackendUsers.helper.resetForm();
@@ -204,7 +204,7 @@ var BackendUsers = {
                         $input.parents().eq(3).find('.form-message').hide();
                     }
                 }
-            }, 'json');
+            }, 'json').fail(GeneralFunctions.ajaxFailureHandler);
         });
 
         // ------------------------------------------------------------------------

src/assets/js/backend_users_admins.js

@@ -194,7 +194,7 @@ AdminsHelper.prototype.save = function(admin) {
         BackendUsers.helper.resetForm();
         $('#filter-admins .key').val('');
         BackendUsers.helper.filter('', response.id, true);
-    }, 'json');
+    }, 'json').fail(GeneralFunctions.ajaxFailureHandler);
 };
 
 /**
@@ -217,7 +217,7 @@ AdminsHelper.prototype.delete = function(id) {
         Backend.displayNotification(EALang['admin_deleted']);
         BackendUsers.helper.resetForm();
         BackendUsers.helper.filter($('#filter-admins .key').val());
-    }, 'json');
+    }, 'json').fail(GeneralFunctions.ajaxFailureHandler);
 };
 
 /**
@@ -364,7 +364,7 @@ AdminsHelper.prototype.filter = function(key, selectId, display) {
         if (selectId != undefined) {
             BackendUsers.helper.select(selectId, display);
         }
-    }, 'json');
+    }, 'json').fail(GeneralFunctions.ajaxFailureHandler);
 };
 
 /**

src/assets/js/backend_users_providers.js

@@ -245,7 +245,7 @@ ProvidersHelper.prototype.save = function(provider) {
         BackendUsers.helper.resetForm();
         $('#filter-providers .key').val('');
         BackendUsers.helper.filter('', response.id, true);
-    }, 'json');
+    }, 'json').fail(GeneralFunctions.ajaxFailureHandler);
 };
 
 /**
@@ -268,7 +268,7 @@ ProvidersHelper.prototype.delete = function(id) {
         Backend.displayNotification(EALang['provider_deleted']);
         BackendUsers.helper.resetForm();
         BackendUsers.helper.filter($('#filter-providers .key').val());
-    }, 'json');
+    }, 'json').fail(GeneralFunctions.ajaxFailureHandler);
 };
 
 /**
@@ -441,7 +441,7 @@ ProvidersHelper.prototype.filter = function(key, selectId, display) {
         if (selectId != undefined) {
             BackendUsers.helper.select(selectId, display);
         }
-    }, 'json');
+    }, 'json').fail(GeneralFunctions.ajaxFailureHandler);
 };
 
 /**

src/assets/js/backend_users_secretaries.js

@@ -205,7 +205,7 @@ SecretariesHelper.prototype.save = function(secretary) {
         BackendUsers.helper.resetForm();
         $('#filter-secretaries .key').val('');
         BackendUsers.helper.filter('', response.id, true);
-    }, 'json');
+    }, 'json').fail(GeneralFunctions.ajaxFailureHandler);
 };
 
 /**
@@ -228,7 +228,7 @@ SecretariesHelper.prototype.delete = function(id) {
         Backend.displayNotification(EALang['secretary_deleted']);
         BackendUsers.helper.resetForm();
         BackendUsers.helper.filter($('#filter-secretaries .key').val());
-    }, 'json');
+    }, 'json').fail(GeneralFunctions.ajaxFailureHandler);
 };
 
 /**
@@ -385,7 +385,7 @@ SecretariesHelper.prototype.filter = function(key, selectId, display) {
         if (selectId != undefined) {
             BackendUsers.helper.select(selectId, display);
         }
-    }, 'json');
+    }, 'json').fail(GeneralFunctions.ajaxFailureHandler);
 };
 
 /**

src/assets/js/frontend_book.js

@@ -292,7 +292,7 @@ var FrontendBook = {
                             + 'another hour.');
                     FrontendBook.getAvailableHours($('#select-date').val());
                 }
-            }, 'json');
+            }, 'json').fail(GeneralFunctions.ajaxFailureHandler);
         });
     },
 
@@ -320,6 +320,9 @@ var FrontendBook = {
         var appointmentId = (FrontendBook.manageMode)
                 ? GlobalVariables.appointmentData['id'] : undefined;
 
+        // Make ajax post request and get the available hours.
+        var postUrl = GlobalVariables.baseUrl + '/index.php/appointments/ajax_get_available_hours';
+
         var postData = {
             'csrfToken': GlobalVariables.csrfToken,
             'service_id': $('#select-service').val(),
@@ -330,9 +333,7 @@ var FrontendBook = {
             'appointment_id': appointmentId
         };
 
-        // Make ajax post request and get the available hours.
+        $.post(postUrl, postData, function(response) {
-        var ajaxurl = GlobalVariables.baseUrl + '/index.php/appointments/ajax_get_available_hours';
-        $.post(ajaxurl, postData, function(response) {
             ///////////////////////////////////////////////////////////////
             console.log('Get Available Hours JSON Response:', response);
             ///////////////////////////////////////////////////////////////
@@ -373,7 +374,7 @@ var FrontendBook = {
             } else {
                 $('#available-hours').text(EALang['no_available_hours']);
             }
-        }, 'json');
+        }, 'json').fail(GeneralFunctions.ajaxFailureHandler);
     },
 
     /**

src/assets/js/general_functions.js

@@ -331,7 +331,27 @@ var GeneralFunctions = {
         		if (!GeneralFunctions.handleAjaxExceptions(response)) return;
         		document.location.reload(true);
 
-        	}, 'json');
+        	}, 'json').fail(GeneralFunctions.ajaxFailureHandler);
         });
+    },
+
+    /**
+     * Use this method for common error handling between
+     *
+     * @param {object} jqxhr
+     * @param {string} textStatus
+     * @param {object} errorThrown
+     */
+    ajaxFailureHandler: function(jqxhr, textStatus, errorThrown) {
+        var exceptions = [
+            {
+                message: 'AJAX Error: ' + textStatus
+            }
+        ];
+
+        console.log('AJAX Failure Handler:', jqxhr, textStatus, errorThrown);
+        GeneralFunctions.displayMessageBox(GeneralFunctions.EXCEPTIONS_TITLE,
+            GeneralFunctions.EXCEPTIONS_MESSAGE);
+        $('#message_box').append(GeneralFunctions.exceptionsToHtml(exceptions));
     }
 };