feat(console): add custom domain form (#3962)

packages/console/src/pages/TenantSettings/tabs/TenantDomainSettings/components/AddDomainForm/index.module.scss

@@ -0,0 +1,15 @@
+@use '@/scss/underscore' as _;
+
+.addDomain {
+  width: 100%;
+  display: flex;
+
+  .textInput {
+    flex: 1;
+    margin-right: _.unit(3);
+  }
+
+  .addButton {
+    flex-shrink: 0;
+  }
+}

packages/console/src/pages/TenantSettings/tabs/TenantDomainSettings/components/AddDomainForm/index.tsx

@@ -0,0 +1,71 @@
+import { type Domain } from '@logto/schemas';
+import { useForm } from 'react-hook-form';
+import { useTranslation } from 'react-i18next';
+
+import Button from '@/components/Button';
+import TextInput from '@/components/TextInput';
+import useApi from '@/hooks/use-api';
+import { onKeyDownHandler } from '@/utils/a11y';
+
+import * as styles from './index.module.scss';
+
+const subdomainRegex = /^[\dA-Za-z][\dA-Za-z-]*[\dA-Za-z](\.[\dA-Za-z][\dA-Za-z-]*[\dA-Za-z]){2,}$/;
+
+type FormData = {
+  domain: string;
+};
+
+type Props = {
+  onCustomDomainAdded: (domain: Domain) => void;
+};
+
+function AddDomainForm({ onCustomDomainAdded }: Props) {
+  const { t } = useTranslation(undefined, { keyPrefix: 'admin_console' });
+  const {
+    register,
+    watch,
+    formState: { errors, isSubmitting },
+    handleSubmit,
+  } = useForm<FormData>({
+    defaultValues: {
+      domain: '',
+    },
+  });
+
+  const domainInput = watch('domain');
+
+  const api = useApi();
+
+  const onSubmit = handleSubmit(async (formData) => {
+    const createdDomain = await api.post('api/domains', { json: formData }).json<Domain>();
+    onCustomDomainAdded(createdDomain);
+  });
+
+  return (
+    <div className={styles.addDomain}>
+      <TextInput
+        className={styles.textInput}
+        placeholder={t('domain.custom.custom_domain_placeholder')}
+        error={errors.domain?.message}
+        onKeyDown={onKeyDownHandler({ Enter: onSubmit })}
+        {...register('domain', {
+          required: true,
+          pattern: {
+            value: subdomainRegex,
+            message: t('domain.custom.invalid_domain_format'),
+          },
+        })}
+      />
+      <Button
+        className={styles.addButton}
+        type="primary"
+        title="domain.custom.add_domain"
+        isLoading={isSubmitting}
+        disabled={domainInput.length === 0}
+        onClick={onSubmit}
+      />
+    </div>
+  );
+}
+
+export default AddDomainForm;

packages/console/src/pages/TenantSettings/tabs/TenantDomainSettings/index.module.scss

@@ -0,0 +1,7 @@
+@use '@/scss/underscore' as _;
+
+.container {
+  > div:not(:first-child) {
+    margin-top: _.unit(4);
+  }
+}

packages/console/src/pages/TenantSettings/tabs/TenantDomainSettings/index.tsx

@@ -1,12 +1,45 @@
+import { type Domain } from '@logto/schemas';
+import { conditional } from '@silverhand/essentials';
+import useSWR from 'swr';
+
 import FormCard from '@/components/FormCard';
 import FormField from '@/components/FormField';
+import { type RequestError } from '@/hooks/use-api';
 
+import AddDomainForm from './components/AddDomainForm';
 import DefaultDomain from './components/DefaultDomain';
+import * as styles from './index.module.scss';
 
 function TenantDomainSettings() {
+  // Todo: @xiaoyijun setup the auto refresh interval for the domains when implementing the active domain process.
+  const { data, error, mutate } = useSWR<Domain[], RequestError>('api/domains');
+  const isLoading = !data && !error;
+  /**
+   * Note: we can only create a custom domain, and we don't have a default id for it, so the first element of the array is the custom domain.
+   */
+  const customDomain = conditional(!isLoading && data)?.[0];
+
+  if (isLoading) {
+    return null;
+  }
+
   return (
-    <div>
-      {/* TODO: @xiaoyijun add the custom domain form card */}
+    <div className={styles.container}>
+      <FormCard
+        title="domain.custom.custom_domain"
+        description="domain.custom.custom_domain_description"
+      >
+        <FormField title="domain.custom.custom_domain_field">
+          {!customDomain && (
+            <AddDomainForm
+              onCustomDomainAdded={(domain) => {
+                void mutate([domain]);
+              }}
+            />
+          )}
+          {/* TODO @xiaoyijun add custom domain content if a custom domain is created */}
+        </FormField>
+      </FormCard>
       <FormCard
         title="domain.default.default_domain"
         description="domain.default.default_domain_description"