fix: simplified error messages for invalid inputs at profile settings

public/locales/en/errors.json

@@ -7,5 +7,10 @@
   "emailNotRegistered": "Email not registered",
   "notFoundMsg": "Oops! The Page you requested was not found!",
   "errorOccurredCouldntCreate": "An error occurred. Couldn't create {{entity}}",
-  "errorLoading": "Error occured while loading {{entity}} data"
+  "errorLoading": "Error occured while loading {{entity}} data",
+  "invalidPhoneNumber": "Please enter a valid phone number",
+  "invalidEducationGrade": "Please select a valid education grade",
+  "invalidEmploymentStatus": "Please select a valid employment status",
+  "invalidMaritalStatus": "Please select a valid marital status",
+  "error400": "The submitted information is invalid. Please check your inputs and try again"
 }

public/locales/fr/errors.json

@@ -7,5 +7,10 @@
   "emailNotRegistered": "Email non enregistré",
   "notFoundMsg": "Oops! ",
   "errorOccurredCouldntCreate": "Une erreur s'est produite. Impossible de créer {{entity}}",
-  "errorLoading": "Une erreur s'est produite lors du chargement des données {{entity}}"
+  "errorLoading": "Une erreur s'est produite lors du chargement des données {{entity}}",
+  "invalidPhoneNumber": "Veuillez entrer un numéro de téléphone valide",
+  "invalidEducationGrade": "Veuillez sélectionner un niveau d'études valide",
+  "invalidEmploymentStatus": "Veuillez sélectionner un statut d'emploi valide",
+  "invalidMaritalStatus": "Veuillez sélectionner un état matrimonial valide",
+  "error400": "Réponse non réussie. Code d'état 400 reçu du serveur"
 }

public/locales/hi/errors.json

@@ -7,5 +7,10 @@
   "emailNotRegistered": "ईमेल पंजीकृत नहीं है",
   "notFoundMsg": "उफ़! ",
   "errorOccurredCouldntCreate": "एक त्रुटि हुई। {{entity}} नहीं बना सके",
-  "errorLoading": "{{entity}} डेटा लोड करते समय त्रुटि हुई"
+  "errorLoading": "{{entity}} डेटा लोड करते समय त्रुटि हुई",
+  "invalidPhoneNumber": "कृपया एक मान्य फोन-नंबर दर्ज करे",
+  "invalidEducationGrade": "कृपया एक शिक्षा ग्रेड चुनें",
+  "invalidEmploymentStatus": "कृपया वैध रोजगार स्थिति चुनें",
+  "invalidMaritalStatus": "कृपया वैध वैवाहिक स्थिति चुनें",
+  "error400": "आपकी जानकारी सहेजी नहीं जा सकी। कृपया अपनी प्रविष्टियों की जांच करें और पुनः प्रयास करें।"
 }

public/locales/sp/errors.json

@@ -7,5 +7,10 @@
   "emailNotRegistered": "Email not registered",
   "notFoundMsg": "Oops! The Page you requested was not found!",
   "errorOccurredCouldntCreate": "Ocurrió un error. No se pudo crear {{entity}}",
-  "errorLoading": "Ocurrió un error al cargar los datos de {{entity}}"
+  "errorLoading": "Ocurrió un error al cargar los datos de {{entity}}",
+  "invalidPhoneNumber": "Por favor, introduzca un número de teléfono válido",
+  "invalidEducationGrade": "Por favor seleccione un grado de educación válido",
+  "invalidEmploymentStatus": "Por favor seleccione un estado de empleo válido",
+  "invalidMaritalStatus": "Por favor seleccione un estado civil válido",
+  "error400": "Respuesta no exitosa. Se recibió el código de estado 400 del servidor"
 }

public/locales/zh/errors.json

@@ -7,5 +7,10 @@
   "emailNotRegistered": "邮箱未注册",
   "notFoundMsg": "哎呀！",
   "errorOccurredCouldntCreate": "发生错误。 无法创建{{entity}}",
-  "errorLoading": "加载{{entity}}数据时出错"
+  "errorLoading": "加载{{entity}}数据时出错",
+  "invalidPhoneNumber": "请选择一个有效的电话号码",
+  "invalidEducationGrade": "请选择教育年级",
+  "invalidEmploymentStatus": "请选择有效的就业状况",
+  "invalidMaritalStatus": "请选择有效的婚姻状况",
+  "error400": "响应不成功. 从服务器收到状态代码 400"
 }

src/utils/errorHandler.test.tsx

@@ -11,23 +11,87 @@ jest.mock('react-toastify', () => ({
 
 describe('Test if errorHandler is working properly', () => {
   const t: TFunction = (key: string) => key;
-  const tErrors: TFunction = (key: string, options?: Record<string, unknown>) =>
-    key;
+  const tErrors: TFunction = (
+    key: string,
+    options?: Record<string, unknown>,
+  ) => {
+    if (options) {
+      console.log(`options are passed, but the function returns only ${key}`);
+    }
+    return key;
+  };
 
-  it('should call toast.error with the correct message if error message is "Failed to fetch"', () => {
+  beforeEach(() => {
+    jest.clearAllMocks();
+  });
+
+  it('should call toast.error with the correct message if error message is "Failed to fetch"', async () => {
     const error = new Error('Failed to fetch');
     errorHandler(t, error);
 
     expect(toast.error).toHaveBeenCalledWith(tErrors('talawaApiUnavailable'));
   });
 
-  it('should call toast.error with the error message if it is not "Failed to fetch"', () => {
-    const error = new Error('Some other error message');
+  it('should call toast.error with the correct message if error message contains this substring "Value is not a valid phone number"', () => {
+    const error = new Error('This value is not a valid phone number');
     errorHandler(t, error);
+    expect(toast.error).toHaveBeenCalledWith(tErrors('invalidPhoneNumber'));
+  });
+
+  test.each([
+    ['EducationGrade', 'invalidEducationGrade'],
+    ['EmploymentStatus', 'invalidEmploymentStatus'],
+    ['MaritalStatus', 'invalidMaritalStatus'],
+  ])('should handle invalid %s error', (field, expectedKey) => {
+    const error = new Error(`This value does not exist in "${field}"`);
+    errorHandler(t, error);
+    expect(toast.error).toHaveBeenCalledWith(tErrors(expectedKey));
+  });
+
+  it('should call toast.error with the correct message if error message contains this substring "status code 400"', () => {
+    const error = new Error('Server responded with status code 400');
+    errorHandler(t, error);
+
+    expect(toast.error).toHaveBeenCalledWith(tErrors('error400'));
+  });
+
+  it('should handle error messages with different cases', () => {
+    errorHandler(t, new Error('VALUE IS NOT A VALID PHONE NUMBER'));
+    expect(toast.error).toHaveBeenCalledWith(tErrors('invalidPhoneNumber'));
+
+    errorHandler(t, new Error('This Value Does Not Exist in "EducationGrade"'));
+    expect(toast.error).toHaveBeenCalledWith(tErrors('invalidEducationGrade'));
+  });
 
+  it('should call toast.error with the error message if it is an instance of error but have not matched any error message patterns', () => {
+    const error = new Error('Bandhan sent an error message');
+    errorHandler(t, error);
     expect(toast.error).toHaveBeenCalledWith(error.message);
   });
 
+  it('should handle different types for the first parameter while still showing error messages', () => {
+    errorHandler(undefined, new Error('Some error'));
+    expect(toast.error).toHaveBeenCalled();
+
+    errorHandler(null, new Error('Some error'));
+    expect(toast.error).toHaveBeenCalled();
+
+    errorHandler({}, new Error('Some error'));
+    expect(toast.error).toHaveBeenCalled();
+  });
+
+  it('should handle non-null but non-Error objects for the error parameter', () => {
+    errorHandler(t, { message: 'Error message in object' });
+    expect(toast.error).toHaveBeenCalledWith(
+      tErrors('unknownError', { msg: { message: 'Error message in object' } }),
+    );
+
+    errorHandler(t, 'Direct error message');
+    expect(toast.error).toHaveBeenCalledWith(
+      tErrors('unknownError', { msg: 'Direct error message' }),
+    );
+  });
+
   it('should call toast.error with the error message if error object is falsy', () => {
     const error = null;
     errorHandler(t, error);

src/utils/errorHandler.tsx

@@ -5,18 +5,26 @@ import i18n from './i18n';
 /** 
   This function is used to handle api errors in the application.
   It takes in the error object and displays the error message to the user.
-  If the error is due to the Talawa API being unavailable, it displays a custom message.
+  If the error is due to the Talawa API being unavailable, it displays a custom message. And for other error cases, it is using regular expression (case-insensitive) to match and show valid messages
 */
 export const errorHandler = (a: unknown, error: unknown): void => {
   const tErrors: TFunction = i18n.getFixedT(null, 'errors');
   if (error instanceof Error) {
-    switch (error.message) {
-      case 'Failed to fetch':
-        toast.error(tErrors('talawaApiUnavailable') as string);
-        break;
-      // Add more cases as needed
-      default:
-        toast.error(error.message);
+    const errorMessage = error.message;
+    if (errorMessage === 'Failed to fetch') {
+      toast.error(tErrors('talawaApiUnavailable'));
+    } else if (errorMessage.match(/value is not a valid phone number/i)) {
+      toast.error(tErrors('invalidPhoneNumber'));
+    } else if (errorMessage.match(/does not exist in "EducationGrade"/i)) {
+      toast.error(tErrors('invalidEducationGrade'));
+    } else if (errorMessage.match(/does not exist in "EmploymentStatus"/i)) {
+      toast.error(tErrors('invalidEmploymentStatus'));
+    } else if (errorMessage.match(/does not exist in "MaritalStatus"/i)) {
+      toast.error(tErrors('invalidMaritalStatus'));
+    } else if (errorMessage.match(/status code 400/i)) {
+      toast.error(tErrors('error400'));
+    } else {
+      toast.error(errorMessage);
     }
   } else {
     toast.error(tErrors('unknownError', { msg: error }) as string);