Improvements: Prefill Routing Forms and connect prefilling with Booki…

…ng Form (calcom#8780)

* Support prefilling routing form and prefilling Booking form through routing form

* Use Option Value as is instead of lowercasing

* Fix prefill validation issue

* Add prefill tests

* Fix Routing Form tests

* Small fix

apps/web/public/static/locales/en/common.json

@@ -1815,6 +1815,7 @@
   "open_dialog_with_element_click": "Open your Cal dialog when someone clicks an element.",
   "need_help_embedding": "Need help? See our guides for embedding Cal on Wix, Squarespace, or WordPress, check our common questions, or explore advanced embed options.",
   "book_my_cal": "Book my Cal",
+  "form_updated_successfully":"Form updated successfully.",
   "email_not_cal_member_cta": "Join your team",
   "disable_attendees_confirmation_emails": "Disable default confirmation emails for attendees",
   "disable_attendees_confirmation_emails_description": "At least one workflow is active on this event type that sends an email to the attendees when the event is booked.",

packages/app-store/routing-forms/components/FormActions.tsx

@@ -276,6 +276,9 @@ export function FormActionsProvider({ appUrl, children }: { appUrl: string; chil
       }
       return { previousValue };
     },
+    onSuccess: () => {
+      showToast(t("form_updated_successfully"), "success");
+    },
     onSettled: (routingForm) => {
       utils.viewer.appRoutingForms.forms.invalidate();
       if (routingForm) {
@@ -463,7 +466,7 @@ export const FormAction = forwardRef(function FormAction<T extends typeof Button
   const Component = as || Button;
   if (!dropdown) {
     return (
-      <Component ref={forwardedRef} {...actionProps}>
+      <Component data-testid={`form-action-${actionName}`} ref={forwardedRef} {...actionProps}>
         {children}
       </Component>
     );

packages/app-store/routing-forms/components/FormInputFields.tsx

@@ -1,6 +1,7 @@
 import type { App_RoutingForms_Form } from "@prisma/client";
 import type { Dispatch, SetStateAction } from "react";
 
+import getFieldIdentifier from "../lib/getFieldIdentifier";
 import { getQueryBuilderConfig } from "../lib/getQueryBuilderConfig";
 import isRouterLinkedField from "../lib/isRouterLinkedField";
 import type { SerializableForm, Response } from "../types/types";
@@ -52,7 +53,7 @@ export default function FormInputFields(props: Props) {
               /* @ts-ignore */
               required={!!field.required}
               listValues={options}
-              data-testid="form-field"
+              data-testid={`form-field-${getFieldIdentifier(field)}`}
               setValue={(value) => {
                 setResponse((response) => {
                   response = response || {};

packages/app-store/routing-forms/components/SingleForm.tsx

@@ -251,7 +251,7 @@ function SingleForm({ form, appUrl, Page }: SingleFormComponentProps) {
 
   const mutation = trpc.viewer.appRoutingForms.formMutation.useMutation({
     onSuccess() {
-      showToast("Form updated successfully.", "success");
+      showToast(t("form_updated_successfully"), "success");
     },
     onError(e) {
       if (e.message) {

packages/app-store/routing-forms/components/react-awesome-query-builder/widgets.tsx

@@ -157,15 +157,15 @@ const MultiSelectWidget = ({
     };
   });
 
-  const defaultValue = selectItems.filter((item) => value?.includes(item.value));
+  const optionsFromList = selectItems.filter((item) => value?.includes(item.value));
 
   return (
     <Select
       className="mb-2"
       onChange={(items) => {
         setValue(items?.map((item) => item.value));
       }}
-      defaultValue={defaultValue}
+      value={optionsFromList}
       isMulti={true}
       isDisabled={remainingProps.readOnly}
       options={selectItems}
@@ -184,7 +184,7 @@ function SelectWidget({ listValues, setValue, value, ...remainingProps }: Select
       value: item.value,
     };
   });
-  const defaultValue = selectItems.find((item) => item.value === value);
+  const optionFromList = selectItems.find((item) => item.value === value);
 
   return (
     <Select
@@ -196,7 +196,7 @@ function SelectWidget({ listValues, setValue, value, ...remainingProps }: Select
         setValue(item.value);
       }}
       isDisabled={remainingProps.readOnly}
-      defaultValue={defaultValue}
+      value={optionFromList}
       options={selectItems}
       {...remainingProps}
     />

packages/app-store/routing-forms/pages/form-edit/[...appPages].tsx

@@ -134,7 +134,7 @@ function Field({
             <TextField
               disabled={!!router}
               label="Identifier"
-              name="identifier"
+              name={`${hookFieldNamespace}.identifier`}
               required
               placeholder={t("identifies_name_field")}
               value={identifier}

packages/app-store/routing-forms/pages/route-builder/[...appPages].tsx

@@ -175,7 +175,7 @@ const Route = ({
               </div>
               <Select
                 isDisabled={disabled}
-                className="block w-full flex-grow px-2"
+                className="data-testid-select-routing-action block w-full flex-grow px-2"
                 required
                 value={RoutingPages.find((page) => page.value === route.action?.type)}
                 onChange={(item) => {

packages/app-store/routing-forms/pages/routing-link/[...appPages].tsx

@@ -16,10 +16,12 @@ import type { inferSSRProps } from "@calcom/types/inferSSRProps";
 import { Button, showToast, useCalcomTheme } from "@calcom/ui";
 
 import FormInputFields from "../../components/FormInputFields";
+import getFieldIdentifier from "../../lib/getFieldIdentifier";
 import { getSerializableForm } from "../../lib/getSerializableForm";
 import { processRoute } from "../../lib/processRoute";
 import type { Response, Route } from "../../types/types";
 
+type Props = inferSSRProps<typeof getServerSideProps>;
 const useBrandColors = ({
   brandColor,
   darkBrandColor,
@@ -34,7 +36,7 @@ const useBrandColors = ({
   useCalcomTheme(brandTheme);
 };
 
-function RoutingForm({ form, profile, ...restProps }: inferSSRProps<typeof getServerSideProps>) {
+function RoutingForm({ form, profile, ...restProps }: Props) {
   const [customPageMessage, setCustomPageMessage] = useState<Route["action"]["value"]>("");
   const formFillerIdRef = useRef(uuidv4());
   const isEmbed = useIsEmbed(restProps.isEmbed);
@@ -43,12 +45,15 @@ function RoutingForm({ form, profile, ...restProps }: inferSSRProps<typeof getSe
     brandColor: profile.brandColor,
     darkBrandColor: profile.darkBrandColor,
   });
+
+  const [response, setResponse] = usePrefilledResponse(form);
+
   // TODO: We might want to prevent spam from a single user by having same formFillerId across pageviews
   // But technically, a user can fill form multiple times due to any number of reasons and we currently can't differentiate b/w that.
   // - like a network error
   // - or he abandoned booking flow in between
   const formFillerId = formFillerIdRef.current;
-  const decidedActionRef = useRef<Route["action"]>();
+  const decidedActionWithFormResponseRef = useRef<{ action: Route["action"]; response: Response }>();
   const router = useRouter();
 
   const onSubmit = (response: Response) => {
@@ -65,7 +70,10 @@ function RoutingForm({ form, profile, ...restProps }: inferSSRProps<typeof getSe
       formFillerId,
       response: response,
     });
-    decidedActionRef.current = decidedAction;
+    decidedActionWithFormResponseRef.current = {
+      action: decidedAction,
+      response,
+    };
   };
 
   useEffect(() => {
@@ -75,19 +83,26 @@ function RoutingForm({ form, profile, ...restProps }: inferSSRProps<typeof getSe
 
   const responseMutation = trpc.viewer.appRoutingForms.public.response.useMutation({
     onSuccess: () => {
-      const decidedAction = decidedActionRef.current;
-      if (!decidedAction) {
+      const decidedActionWithFormResponse = decidedActionWithFormResponseRef.current;
+      if (!decidedActionWithFormResponse) {
         return;
       }
+      const fields = form.fields;
+      if (!fields) {
+        throw new Error("Routing Form fields must exist here");
+      }
+      const allURLSearchParams = getUrlSearchParamsToForward(decidedActionWithFormResponse.response, fields);
+      const decidedAction = decidedActionWithFormResponse.action;
 
       //TODO: Maybe take action after successful mutation
       if (decidedAction.type === "customPageMessage") {
         setCustomPageMessage(decidedAction.value);
       } else if (decidedAction.type === "eventTypeRedirectUrl") {
-        router.push(`/${decidedAction.value}`);
+        router.push(`/${decidedAction.value}?${allURLSearchParams}`);
       } else if (decidedAction.type === "externalRedirectUrl") {
-        window.parent.location.href = decidedAction.value;
+        window.parent.location.href = `${decidedAction.value}?${allURLSearchParams}`;
       }
+      // We don't want to show this message as it doesn't look good in Embed.
       // showToast("Form submitted successfully! Redirecting now ...", "success");
     },
     onError: (e) => {
@@ -97,12 +112,11 @@ function RoutingForm({ form, profile, ...restProps }: inferSSRProps<typeof getSe
       if (e?.data?.code === "CONFLICT") {
         return void showToast("Form already submitted", "error");
       }
+      // We don't want to show this error as it doesn't look good in Embed.
       // showToast("Something went wrong", "error");
     },
   });
 
-  const [response, setResponse] = useState<Response>({});
-
   const handleOnSubmit = (e: FormEvent<HTMLFormElement>) => {
     e.preventDefault();
     onSubmit(response);
@@ -161,6 +175,53 @@ function RoutingForm({ form, profile, ...restProps }: inferSSRProps<typeof getSe
   );
 }
 
+function getUrlSearchParamsToForward(response: Response, fields: NonNullable<Props["form"]["fields"]>) {
+  type Params = Record<string, string | string[]>;
+  const paramsFromResponse: Params = {};
+  const paramsFromCurrentUrl: Params = {};
+
+  // Build query params from response
+  Object.entries(response).forEach(([key, fieldResponse]) => {
+    const foundField = fields.find((f) => f.id === key);
+    if (!foundField) {
+      // If for some reason, the field isn't there, let's just
+      return;
+    }
+    paramsFromResponse[getFieldIdentifier(foundField) as keyof typeof paramsFromResponse] =
+      fieldResponse.value;
+  });
+
+  // Build query params from current URL. It excludes route params
+  // eslint-disable-next-line @typescript-eslint/ban-ts-comment
+  // @ts-ignore
+  for (const [name, value] of new URLSearchParams(window.location.search).entries()) {
+    const target = paramsFromCurrentUrl[name];
+    if (target instanceof Array) {
+      target.push(value);
+    } else {
+      paramsFromCurrentUrl[name] = [value];
+    }
+  }
+
+  const allQueryParams: Params = {
+    ...paramsFromCurrentUrl,
+    // In case of conflict b/w paramsFromResponse and paramsFromCurrentUrl, paramsFromResponse should win as the booker probably improved upon the prefilled value.
+    ...paramsFromResponse,
+  };
+
+  const allQueryURLSearchParams = new URLSearchParams();
+
+  // Make serializable URLSearchParams instance
+  Object.entries(allQueryParams).forEach(([param, value]) => {
+    const valueArray = value instanceof Array ? value : [value];
+    valueArray.forEach((v) => {
+      allQueryURLSearchParams.append(param, v);
+    });
+  });
+
+  return allQueryURLSearchParams;
+}
+
 export default function RoutingLink(props: inferSSRProps<typeof getServerSideProps>) {
   return <RoutingForm {...props} />;
 }
@@ -220,3 +281,19 @@ export const getServerSideProps = async function getServerSideProps(
     },
   };
 };
+
+const usePrefilledResponse = (form: Props["form"]) => {
+  const router = useRouter();
+
+  const prefillResponse: Response = {};
+
+  // Prefill the form from query params
+  form.fields?.forEach((field) => {
+    prefillResponse[field.id] = {
+      value: router.query[getFieldIdentifier(field)] || "",
+      label: field.label,
+    };
+  });
+  const [response, setResponse] = useState<Response>(prefillResponse);
+  return [response, setResponse] as const;
+};