changePassword method

Implementation

void changePassword() async {
  if (currentPasswordController.text.isEmpty) {
    CustomFlashWidget.showFlashMessage(
      type: FlashType.error,
      title: "Error",
      message: "Please enter current password field",
    );
    // DefaultSnackbar.show("Error", "Please enter current password field");
    return;
  }

  if (newPasswordController.text.length < 8) {
    CustomFlashWidget.showFlashMessage(
      type: FlashType.error,
      title: "Error",
      message: "Password must be at least 8 characters long",
    );
    // DefaultSnackbar.show(
    //     "Error", "Password must be at least 8 characters long");
    return;
  }

  if (confirmPasswordController.text != newPasswordController.text) {
    CustomFlashWidget.showFlashMessage(
      type: FlashType.error,
      title: "Error",
      message: "New Password and confirmation do not match",
    );
    // DefaultSnackbar.show("Error", "New Password and confirmation do not match");
    return;
  }

  if (currentPasswordController.text == newPasswordController.text) {
    CustomFlashWidget.showFlashMessage(
      type: FlashType.error,
      title: "Invalid new password",
      message: "New password should be different from old password.",
    );
    // DefaultSnackbar.show("Invalid new password",
    //     "New password should be different from old password.");
    return;
  }

  try {
    final email =
        authenticationController.userProfileModel.value.data?.user?.email;
    if (email == null) {
      CustomFlashWidget.showFlashMessage(
        type: FlashType.error,
        title: "Invalid password",
        message: "Current password does not match.",
      );
      // DefaultSnackbar.show(
      //     "Invalid password", "Current password does not match.");
      return;
    }

    try {
      loadingDialog();
      AuthCredential cred = EmailAuthProvider.credential(
        email: email,
        password: currentPasswordController.text,
      );

      UserCredential userCredential =
          await FirebaseAuth.instance.signInWithCredential(cred);
      closeDialog();
      if (userCredential.user == null) {
        CustomFlashWidget.showFlashMessage(
          type: FlashType.error,
          title: "Invalid password",
          message: "Current password does not match.",
        );
        // DefaultSnackbar.show(
        //     "Invalid password", "Current password does not match.");
        return;
      }
    } on FirebaseAuthException catch (e) {
      closeDialog();
      if (e.code == "wrong-password" ||
          e.code == "invalid-login-credentials") {
        {
          CustomFlashWidget.showFlashMessage(
            type: FlashType.error,
            title: "Invalid password",
            message: "Current password does not match.",
          );
          // DefaultSnackbar.show(
          //     "Invalid password", "Current password does not match.");
        }
        return;
      } else {
        CustomFlashWidget.showFlashMessage(
          type: FlashType.error,
          title: "Invalid password",
          message: "Current password does not match.",
        );
        // DefaultSnackbar.show(
        //     "Invalid password", "Current password does not match.");
        return;
      }
    }

    final response = await Requests.getDio().put(
      '/users/update-password',
      data: {
        "password": newPasswordController.text,
      },
    );

    if (response.statusCode == 200) {
      CustomFlashWidget.showFlashMessage(
        type: FlashType.success,
        title: "Success",
        message: "Password updated successfully",
      );
      // DefaultSnackbar.show("Success", "Password updated successfully");
      currentPasswordController.text = "";
      newPasswordController.text = "";
      confirmPasswordController.text = "";
    } else {
      log('Error changing password : ${response.data}');
      CustomFlashWidget.showFlashMessage(
        type: FlashType.error,
        title: "Error",
        message: "Error occurred",
      );
      // DefaultSnackbar.show("Error", "Error occurred");
    }
  } catch (_) {
    log('Error changing password : ${_.toString()}');
    CustomFlashWidget.showFlashMessage(
      type: FlashType.error,
      title: "Error",
      message: "Error occurred",
    );
    // DefaultSnackbar.show("Error", "Error occurred");
  }
}