fix: v2 managed event type creation hosts (calcom#22584)

* fix: v2 managed event type creation hosts

* refactor

* fix: test

* remove uncecessary call

Author: supalarry

apps/api/v2/src/modules/organizations/event-types/organizations-event-types.e2e-spec.ts

@@ -1158,6 +1158,56 @@ describe("Organizations Event Types Endpoints", () => {
         });
     });
 
+    it("should create a managed team event-type without hosts", async () => {
+      const body: CreateTeamEventTypeInput_2024_06_14 = {
+        title: "Coding consultation managed without hosts",
+        slug: "coding-consultation-managed-without-hosts",
+        description: "Our team will review your codebase.",
+        lengthInMinutes: 60,
+        locations: [
+          {
+            type: "integration",
+            integration: "cal-video",
+          },
+        ],
+        schedulingType: "MANAGED",
+      };
+
+      return request(app.getHttpServer())
+        .post(`/v2/organizations/${org.id}/teams/${team.id}/event-types`)
+        .send(body)
+        .expect(201)
+        .then(async (response) => {
+          const responseBody: ApiSuccessResponse<TeamEventTypeOutput_2024_06_14[]> = response.body;
+          expect(responseBody.status).toEqual(SUCCESS_STATUS);
+
+          const data = responseBody.data;
+          expect(data.length).toEqual(1);
+
+          const teammate1EventTypes = await eventTypesRepositoryFixture.getAllUserEventTypes(teammate1.id);
+          const teammate2EventTypes = await eventTypesRepositoryFixture.getAllUserEventTypes(teammate2.id);
+          const teamEventTypes = await eventTypesRepositoryFixture.getAllTeamEventTypes(team.id);
+
+          const teammate1HasThisEvent = teammate1EventTypes.some((eventType) => eventType.slug === body.slug);
+          const teammate2HasThisEvent = teammate2EventTypes.some((eventType) => eventType.slug === body.slug);
+          expect(teammate1HasThisEvent).toBe(false);
+          expect(teammate2HasThisEvent).toBe(false);
+          expect(
+            teamEventTypes.filter(
+              (eventType) => eventType.schedulingType === "MANAGED" && eventType.slug === body.slug
+            ).length
+          ).toEqual(1);
+
+          const responseTeamEvent = responseBody.data.find((event) => event.teamId === team.id);
+          expect(responseTeamEvent).toBeDefined();
+          expect(responseTeamEvent?.hosts).toEqual([]);
+
+          if (!responseTeamEvent) {
+            throw new Error("Team event not found");
+          }
+        });
+    });
+
     function evaluateHost(expected: Host, received: Host | undefined) {
       expect(expected.userId).toEqual(received?.userId);
       expect(expected.mandatory).toEqual(received?.mandatory);

apps/api/v2/src/modules/organizations/event-types/services/input.service.ts

@@ -121,7 +121,7 @@ export class InputOrganizationsEventTypesService {
       },
     ];
 
-    const children = await this.getChildEventTypesForManagedEventType(null, inputEventType, teamId);
+    const children = await this.getChildEventTypesForManagedEventTypeCreate(inputEventType, teamId);
 
     const metadata =
       rest.schedulingType === "MANAGED"
@@ -159,7 +159,11 @@ export class InputOrganizationsEventTypesService {
       throw new BadRequestException("Event type to update not found");
     }
 
-    const children = await this.getChildEventTypesForManagedEventType(eventTypeId, inputEventType, teamId);
+    const children =
+      dbEventType.schedulingType === "MANAGED"
+        ? await this.getChildEventTypesForManagedEventTypeUpdate(eventTypeId, inputEventType, teamId)
+        : undefined;
+
     const teamEventType = {
       ...eventType,
       // note(Lauris): we don't populate hosts for managed event-types because they are handled by the children
@@ -176,20 +180,17 @@ export class InputOrganizationsEventTypesService {
     return teamEventType;
   }
 
-  async getChildEventTypesForManagedEventType(
-    eventTypeId: number | null,
+  async getChildEventTypesForManagedEventTypeUpdate(
+    eventTypeId: number,
     inputEventType: UpdateTeamEventTypeInput_2024_06_14,
     teamId: number
   ) {
-    let eventType = null;
-    if (eventTypeId) {
-      eventType = await this.teamsEventTypesRepository.getEventTypeByIdWithChildren(eventTypeId);
-      if (!eventType || eventType.schedulingType !== "MANAGED") {
-        return undefined;
-      }
+    const eventType = await this.teamsEventTypesRepository.getEventTypeByIdWithChildren(eventTypeId);
+    if (!eventType || eventType.schedulingType !== "MANAGED") {
+      return undefined;
     }
 
-    const ownersIds = await this.getOwnersIdsForManagedEventType(teamId, inputEventType, eventType);
+    const ownersIds = await this.getOwnersIdsForManagedEventTypeUpdate(teamId, inputEventType, eventType);
     const owners = await this.getOwnersForManagedEventType(ownersIds);
 
     return owners.map((owner) => {
@@ -200,22 +201,58 @@ export class InputOrganizationsEventTypesService {
     });
   }
 
-  async getOwnersIdsForManagedEventType(
+  async getOwnersIdsForManagedEventTypeUpdate(
     teamId: number,
     inputEventType: UpdateTeamEventTypeInput_2024_06_14,
-    eventType: { children: { userId: number | null }[] } | null
+    eventType: { children: { userId: number | null }[] }
   ) {
     if (inputEventType.assignAllTeamMembers) {
       return await this.getTeamUsersIds(teamId);
     }
 
-    // note(Lauris): when API user updates managed event type users
     if (inputEventType.hosts) {
       return inputEventType.hosts.map((host) => host.userId);
     }
 
     // note(Lauris): when API user DOES NOT update managed event type users, but we still need existing managed event type users to know which event-types to update
-    return eventType?.children.map((child) => child.userId).filter((id) => !!id) as number[];
+    // e.g if managed event type title is changed then all children managed event types should be updated as well.
+    const childrenOwnersIds: number[] = [];
+    for (const child of eventType.children) {
+      if (child.userId) {
+        childrenOwnersIds.push(child.userId);
+      }
+    }
+    return childrenOwnersIds;
+  }
+
+  async getChildEventTypesForManagedEventTypeCreate(
+    inputEventType: UpdateTeamEventTypeInput_2024_06_14,
+    teamId: number
+  ) {
+    const ownersIds = await this.getOwnersIdsForManagedEventTypeCreate(teamId, inputEventType);
+    const owners = await this.getOwnersForManagedEventType(ownersIds);
+
+    return owners.map((owner) => {
+      return {
+        hidden: false,
+        owner,
+      };
+    });
+  }
+
+  async getOwnersIdsForManagedEventTypeCreate(
+    teamId: number,
+    inputEventType: UpdateTeamEventTypeInput_2024_06_14
+  ) {
+    if (inputEventType.assignAllTeamMembers) {
+      return await this.getTeamUsersIds(teamId);
+    }
+
+    if (inputEventType.hosts) {
+      return inputEventType.hosts.map((host) => host.userId);
+    }
+
+    return [];
   }
 
   async getTeamUsersIds(teamId: number) {
@@ -234,7 +271,7 @@ export class InputOrganizationsEventTypesService {
   }
 
   async getOwnersForManagedEventType(userIds: number[]) {
-    const users = await this.usersRepository.findByIdsWithEventTypes(userIds);
+    const users = userIds.length ? await this.usersRepository.findByIdsWithEventTypes(userIds) : [];
 
     return users.map((user) => {
       const nonManagedEventTypes = user.eventTypes.filter((eventType) => !eventType.parentId);