Improve error handling

Breeze.UI/src/app/login/login.component.ts

@@ -107,7 +107,12 @@ export class LoginComponent implements OnInit {
           if (error.status === 0) {
             alert("Something went wrong while connecting to the API. Please restart the application.");
           } else if (error.status >= 400) {
-            alert(error);
+            if (!error.json().errors[0]) {
+              console.log(error);
+            }
+            else {
+              alert(error.json().errors[0].message);
+            }
           }
         }
       )
@@ -128,7 +133,12 @@ export class LoginComponent implements OnInit {
           if (error.status === 0) {
             alert("Something went wrong while connecting to the API. Please restart the application.");
           } else if (error.status >= 400) {
-            alert(error);
+            if (!error.json().errors[0]) {
+              console.log(error);
+            }
+            else {
+              alert(error.json().errors[0].message);
+            }
           }
         }
       )

Breeze.UI/src/app/setup/create/create.component.ts

@@ -101,7 +101,12 @@ export class CreateComponent {
           if (error.status === 0) {
             alert("Something went wrong while connecting to the API. Please restart the application.");
           } else if (error.status >= 400) {
-            alert(error);
+            if (!error.json().errors[0]) {
+              console.log(error);
+            }
+            else {
+              alert(error.json().errors[0].message);
+            }
           }
         }
       )

Breeze.UI/src/app/setup/recover/recover.component.ts

@@ -115,7 +115,12 @@ export class RecoverComponent implements OnInit {
           if (error.status === 0) {
             alert("Something went wrong while connecting to the API. Please restart the application.");
           } else if (error.status >= 400) {
-            alert(error);
+            if (!error.json().errors[0]) {
+              console.log(error);
+            }
+            else {
+              alert(error.json().errors[0].message);
+            }
           }
         }
       );

Breeze.UI/src/app/wallet/dashboard/dashboard.component.ts

@@ -60,7 +60,12 @@ export class DashboardComponent {
           if (error.status === 0) {
             alert("Something went wrong while connecting to the API. Please restart the application.");
           } else if (error.status >= 400) {
-            alert(error);
+            if (!error.json().errors[0]) {
+              console.log(error);
+            }
+            else {
+              alert(error.json().errors[0].message);
+            }
           }
         }
       )
@@ -82,7 +87,12 @@ export class DashboardComponent {
           if (error.status === 0) {
             alert("Something went wrong while connecting to the API. Please restart the application.");
           } else if (error.status >= 400) {
-            alert(error);
+            if (!error.json().errors[0]) {
+              console.log(error);
+            }
+            else {
+              alert(error.json().errors[0].message);
+            }
           }
         }
       )

Breeze.UI/src/app/wallet/history/history.component.ts

@@ -44,7 +44,12 @@ export class HistoryComponent {
           if (error.status === 0) {
             alert("Something went wrong while connecting to the API. Please restart the application.");
           } else if (error.status >= 400) {
-            alert(error);
+            if (!error.json().errors[0]) {
+              console.log(error);
+            }
+            else {
+              alert(error.json().errors[0].message);
+            }
           }
         }
       )

Breeze.UI/src/app/wallet/receive/receive.component.ts

@@ -33,9 +33,15 @@ export class ReceiveComponent {
           }
         },
         error => {
-          if (error.status >= 400) {
-            this.errorMessage = <any>error;
-            console.log(this.errorMessage);
+          if (error.status === 0) {
+            alert("Something went wrong while connecting to the API. Please restart the application.");
+          } else if (error.status >= 400) {
+            if (!error.json().errors[0]) {
+              console.log(error);
+            }
+            else {
+              alert(error.json().errors[0].message);
+            }
           }
         }
       )

Breeze.UI/src/app/wallet/send/send.component.ts

@@ -132,9 +132,15 @@ export class SendComponent {
           }
         },
         error => {
-          if (error.status >= 400) {
-            this.errorMessage = error;
-            console.log(this.errorMessage);
+          if (error.status === 0) {
+            alert("Something went wrong while connecting to the API. Please restart the application.");
+          } else if (error.status >= 400) {
+            if (!error.json().errors[0]) {
+              console.log(error);
+            }
+            else {
+              alert(error.json().errors[0].message);
+            }
           }
         }
       )