Minor

src/app/fyle/spender-onboarding/spender-onboarding-connect-card-step/spender-onboarding-connect-card-step.component.html

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+<div class="connect-card__body">
+  <div>
+    <div class="connect-card__heading">Connect corporate card</div>
+    <div class="connect-card__sub-heading">
+      This will help you bring your card transactions into Fyle as expenses instantly.
+    </div>
+
+    <div class="connect-card__input-label">
+      <span>Corporate card</span>
+    </div>
+
+    <div
+      class="connect-card__input-inner-container"
+      [ngClass]="{ 'connect-card__input-inner-container--error': cardForm.touched && cardForm.invalid }"
+    >
+      <input
+        class="smartlook-show connect-card__card-number-input pl-0"
+        inputmode="numeric"
+        [formControl]="cardForm"
+        mask="0000 0000 0000 0000"
+        data-testid="card-number-input"
+        appAutofocus
+        [timeout]="500"
+        required
+        placeholder="Enter corporate card number"
+      />
+
+      <ion-icon
+        *ngIf="!cardType || cardType === cardNetworkTypes.OTHERS"
+        src="../../../../assets/svg/card.svg"
+        class="connect-card__input-default-icon"
+        data-testid="default-icon"
+      ></ion-icon>
+
+      <img
+        *ngIf="cardType === cardNetworkTypes.VISA"
+        src="../../../../assets/images/visa-logo.png"
+        class="connect-card__input-visa-icon"
+        data-testid="visa-icon"
+      />
+
+      <img
+        *ngIf="cardType === cardNetworkTypes.MASTERCARD"
+        src="../../../../assets/images/mastercard-logo.png"
+        class="connect-card__input-mastercard-icon"
+        data-testid="mastercard-icon"
+      />
+    </div>
+
+    <div class="connect-card__input-error-space"></div>
+
+    <div *ngIf="cardForm.touched && cardForm.invalid" class="connect-card__input-errors" data-testid="error-message">
+      <span *ngIf="cardForm.errors.invalidCardNumber">Please enter a valid card number.</span>
+
+      <ng-container *ngIf="cardForm.errors.invalidCardNetwork">
+        <span *ngIf="isVisaRTFEnabled && isMastercardRTFEnabled; else visaOnlyOrg"
+          >Enter a valid Visa or Mastercard number. If you have other cards, please contact your admin.</span
+        >
+
+        <ng-template #visaOnlyOrg>
+          <!-- Check if only visa is enabled -->
+          <span *ngIf="cardForm.errors.invalidCardNetwork && isVisaRTFEnabled; else mastercardOnlyOrg"
+            >Enter a valid Visa number. If you have other cards, please contact your admin.</span
+          >
+        </ng-template>
+
+        <ng-template #mastercardOnlyOrg>
+          <!-- Check if only mastercard is enabled -->
+          <span *ngIf="cardForm.errors.invalidCardNetwork && isMastercardRTFEnabled"
+            >Enter a valid Mastercard number. If you have other cards, please contact your admin.</span
+          >
+        </ng-template>
+      </ng-container>
+
+      <span *ngIf="cardForm.errors.enrollmentError">
+        {{ enrollmentFailureMessage }}
+      </span>
+    </div>
+  </div>
+  <div>
+    <ion-button
+      class="btn-primary connect-card__primary-cta"
+      fill="clear"
+      aria-label="Navigate back to sign in page"
+      role="button"
+    >
+      Continue
+    </ion-button>
+  </div>
+</div>

src/app/fyle/spender-onboarding/spender-onboarding-connect-card-step/spender-onboarding-connect-card-step.component.scss

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+@import '../../../../theme/colors.scss';
+
+.connect-card {
+  position: relative;
+  height: 100%;
+
+  &__body {
+    display: flex;
+    flex-direction: column;
+    justify-content: space-between;
+  }
+  &__heading {
+    color: $black;
+    font-size: 20px;
+    font-weight: 500;
+    line-height: normal;
+    margin-bottom: 8px;
+    margin-top: 32px;
+  }
+
+  &__sub-heading {
+    color: $dark-grey;
+    font-size: 14px;
+    font-style: normal;
+    font-weight: 400;
+    line-height: 1.28;
+    margin-bottom: 32px;
+  }
+
+  &__primary-cta {
+    width: 108px;
+    align-self: flex-end;
+  }
+
+  &__toolbar-title {
+    font-size: 20px;
+    font-weight: 500;
+    color: $black;
+    line-height: normal;
+  }
+
+  &__toolbar-close-btn {
+    position: absolute;
+  }
+
+  &__body {
+    display: flex;
+    flex-direction: column;
+  }
+
+  &__content {
+    --padding-start: 16px;
+    --padding-end: 16px;
+    --padding-top: 16px;
+
+    max-height: 50vh;
+  }
+
+  &__input-container {
+    padding: 16px 16px 8px 16px;
+    border-radius: 8px;
+    border: 1px solid $grey;
+
+    &:focus-within:not(&--error) {
+      border: 1px solid $black-light;
+    }
+  }
+
+  &__input-label {
+    font-size: 12px;
+    color: $black-light;
+    margin-bottom: 6px;
+  }
+
+  &__input-inner-container {
+    display: flex;
+    align-items: center;
+    border-bottom: 1px solid $grey;
+    padding-bottom: 6px;
+    margin-bottom: 2px;
+
+    &--error {
+      border-bottom: 1px solid $red;
+    }
+
+    &:focus-within:not(&--error) {
+      border-bottom: 1px solid $black-light;
+    }
+  }
+
+  &__card-number-input {
+    border: 0;
+    color: $blue-black;
+    width: 100%;
+  }
+
+  &__input-default-icon {
+    width: 20px;
+    height: 20px;
+    color: $grey-light;
+  }
+
+  &__input-visa-icon,
+  &__input-mastercard-icon {
+    width: 38px;
+    height: 22px;
+  }
+
+  &__input-error-space {
+    width: 0px;
+    height: 16px;
+    float: right;
+  }
+
+  &__input-errors {
+    color: $red;
+    font-size: 12px;
+    line-height: 1.3;
+
+    & > :not(:first-child) {
+      // Only show one error message at a time
+      display: none;
+    }
+  }
+
+  &__view-tnc-btn {
+    width: 100%;
+    background: $pink-gradient;
+    background-clip: text;
+    color: transparent;
+    padding: 12px 0;
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    gap: 8px;
+    font-size: 14px;
+  }
+
+  &__view-tnc-btn-icon {
+    width: 18px;
+    height: 18px;
+    color: $brand-primary;
+  }
+
+  &__tnc {
+    display: flex;
+    flex-direction: column;
+    gap: 24px;
+    padding-top: 8px;
+    font-size: 14px;
+  }
+
+  &__tnc-heading {
+    font-weight: 500;
+    color: $black;
+  }
+
+  &__tnc-list {
+    margin: 0;
+    padding-left: 20px;
+    display: flex;
+    flex-direction: column;
+    gap: 16px;
+  }
+
+  &__tnc-link {
+    color: $blue-4;
+    text-decoration: none;
+  }
+
+  &__tnc-link-icon {
+    width: 16px;
+    height: 16px;
+    vertical-align: text-bottom;
+  }
+
+  &__footer-toolbar {
+    padding: 16px;
+  }
+}

src/app/fyle/spender-onboarding/spender-onboarding-connect-card-step/spender-onboarding-connect-card-step.component.ts

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+import { Component, EventEmitter, Input, Output } from '@angular/core';
+import { AbstractControl, FormControl, ValidationErrors } from '@angular/forms';
+import { CardNetworkType } from 'src/app/core/enums/card-network-type';
+import { OrgSettings } from 'src/app/core/models/org-settings.model';
+import { CorporateCreditCardExpenseService } from 'src/app/core/services/corporate-credit-card-expense.service';
+import { RealTimeFeedService } from 'src/app/core/services/real-time-feed.service';
+
+@Component({
+  selector: 'app-spender-onboarding-connect-card-step',
+  templateUrl: './spender-onboarding-connect-card-step.component.html',
+  styleUrls: ['./spender-onboarding-connect-card-step.component.scss'],
+})
+export class SpenderOnboardingConnectCardStepComponent {
+  @Input() readOnly?: boolean = false;
+
+  @Input() orgSettings: OrgSettings;
+
+  @Output() isStepCompleted: EventEmitter<boolean> = new EventEmitter<boolean>();
+
+  cardForm: FormControl;
+
+  isVisaRTFEnabled = false;
+
+  isMastercardRTFEnabled = false;
+
+  cardType = CardNetworkType;
+
+  constructor(
+    private corporateCreditCardExpensesService: CorporateCreditCardExpenseService,
+    private realTimeFeedService: RealTimeFeedService
+  ) {}
+
+  ionViewWillEnter(): void {
+    this.cardForm = new FormControl('', [this.cardNumberValidator.bind(this), this.cardNetworkValidator.bind(this)]);
+  }
+
+  private cardNumberValidator(control: AbstractControl): ValidationErrors {
+    // Reactive forms are not strongly typed in Angular 13, so we need to cast the value to string
+    // TODO (Angular 14 >): Remove the type casting and directly use string type for the form control
+    const cardNumber = control.value as string;
+
+    const isValid = this.realTimeFeedService.isCardNumberValid(cardNumber);
+    const cardType = this.realTimeFeedService.getCardTypeFromNumber(cardNumber);
+
+    if (cardType === CardNetworkType.VISA || cardType === CardNetworkType.MASTERCARD) {
+      return isValid && cardNumber.length === 16 ? null : { invalidCardNumber: true };
+    }
+
+    return isValid ? null : { invalidCardNumber: true };
+  }
+
+  private cardNetworkValidator(control: AbstractControl): ValidationErrors {
+    const cardNumber = control.value as string;
+    const cardType = this.realTimeFeedService.getCardTypeFromNumber(cardNumber);
+
+    if (
+      (!this.isVisaRTFEnabled && cardType === CardNetworkType.VISA) ||
+      (!this.isMastercardRTFEnabled && cardType === CardNetworkType.MASTERCARD)
+    ) {
+      return { invalidCardNetwork: true };
+    }
+
+    return null;
+  }
+}