deleted seniors, request, and chapter (#173)

* deleted seniors, request, and chapter

* Co-authored-by: Nick Doan <[email protected]>

* pr changes

* deleted seniors, request, and chapter

prisma/schema.prisma

@@ -69,7 +69,7 @@ model User {
   Seniors   Senior[]  @relation(fields: [SeniorIDs], references: [id])
   approved  Approval  @default(PENDING)
   ChapterID String?   @db.ObjectId
-  Chapter   Chapter?  @relation(fields: [ChapterID], references: [id])
+  Chapter   Chapter?  @relation(fields: [ChapterID], references: [id], onDelete: SetNull)
   
   userRequest UserRequest?
 }
@@ -98,7 +98,7 @@ model Senior {
   folder      String   @default("")
   Files       File[]
   ChapterID   String   @db.ObjectId
-  chapter     Chapter  @relation(fields: [ChapterID], references: [id])
+  chapter     Chapter  @relation(fields: [ChapterID], references: [id], onDelete: Cascade)
 }
 
 model File {
@@ -131,6 +131,8 @@ model ChapterRequest {
   motivation           String
   availabilities       String
   questions            String
+
+  chapter              Chapter?
 }
 
 model Chapter {
@@ -144,6 +146,11 @@ model Chapter {
   // Google Drive API related fields
   chapterFolder String   @default("")
   permissions   String[]
+
+  chapterRequestId String @db.ObjectId @unique
+  chapterRequest ChapterRequest @relation(fields: [chapterRequestId], references: [id], onDelete: Cascade)
+
+  userRequests  UserRequest[]
 }
 
 model Resource {
@@ -163,6 +170,7 @@ model UserRequest {
   // @deprecated - We ended up not using this anywhere
   approved  Approval @default(PENDING)
   uid       String   @unique @db.ObjectId
-  chapterId String   @db.ObjectId
+  chapterId String   @db.ObjectId 
+  chapter   Chapter  @relation(fields: [chapterId], references: [id], onDelete: Cascade)
   user      User     @relation(fields: [uid], references: [id])
 }

src/app/api/chapter/[chapterId]/route.client.ts

@@ -0,0 +1,9 @@
+import { deleteChapterResponse } from "./route.schema";
+
+export const deleteChapter = async (chapterId: string) => {
+  const response = await fetch(`/api/chapter/${chapterId}`, {
+    method: "DELETE",
+  });
+  const json = await response.json();
+  return deleteChapterResponse.parse(json);
+};

src/app/api/chapter/[chapterId]/route.schema.ts

@@ -0,0 +1,13 @@
+import { z } from "zod";
+
+export const deleteChapterResponse = z.discriminatedUnion("code", [
+  z.object({
+    code: z.literal("SUCCESS"),
+    message: z.literal("The chapter was successfully deleted"),
+  }),
+
+  z.object({
+    code: z.literal("CHAPTER_NOT_FOUND"),
+    message: z.literal("The chapter id could not be found"),
+  }),
+]);

src/app/api/chapter/[chapterId]/route.ts

@@ -1,25 +1,30 @@
-import { NextResponse } from "next/server";
 import { withSessionAndRole } from "@server/decorator";
 import { prisma } from "@server/db/client";
 import { driveV3 } from "@server/service";
+import { NextResponse } from "next/server";
+import { deleteChapterResponse } from "./route.schema";
 
 export const DELETE = withSessionAndRole(["ADMIN"], async ({ params }) => {
-  // TODO
-  // 1. Implement route.client.ts
-  // 2. Implement route.schema.ts
-  // 3. Finish deleting chapter
-  // 4. Add it to AdminHomePage
-
   const chapterId = params.params.chapterId;
   const chapter = await prisma.chapter.findUnique({
     where: {
       id: chapterId,
     },
+    include: {
+      students: true,
+      seniors: true,
+    },
   });
 
   if (chapter == null) {
     // If no ID is found, chapter has been deleted by another admin.
-    return NextResponse.json("ok");
+    return NextResponse.json(
+      deleteChapterResponse.parse({
+        code: "CHAPTER_NOT_FOUND",
+        message: "Chapter not found",
+      }),
+      { status: 404 }
+    );
   }
 
   await Promise.allSettled(
@@ -31,5 +36,30 @@ export const DELETE = withSessionAndRole(["ADMIN"], async ({ params }) => {
     )
   );
 
-  return NextResponse.json("ok");
+  await prisma.user.updateMany({
+    where: {
+      ChapterID: chapterId,
+    },
+    data: {
+      SeniorIDs: {
+        set: [],
+      },
+      position: "",
+      role: "USER",
+    },
+  });
+
+  await prisma.chapterRequest.delete({
+    where: {
+      id: chapter.chapterRequestId,
+    },
+  });
+
+  return NextResponse.json(
+    deleteChapterResponse.parse({
+      code: "SUCCESS",
+      message: "The chapter was successfully deleted",
+    }),
+    { status: 200 }
+  );
 });

src/app/api/handle-chapter-request/route.ts

@@ -59,6 +59,7 @@ export const POST = withSession(async ({ req }) => {
       data: {
         chapterName: chapterRequest.university,
         location: chapterRequest.universityAddress,
+        chapterRequestId: chapterRequest.id,
       },
     });
 

src/components/AdminHomePage.tsx

@@ -6,6 +6,8 @@ import { faTrashCan } from "@fortawesome/free-solid-svg-icons";
 import { TileEdit } from "./TileGrid/TileEdit";
 import { InfoTile } from "./TileGrid";
 import { fullName } from "@utils";
+import { deleteChapter } from "@api/chapter/[chapterId]/route.client";
+import { useRouter } from "next/navigation";
 import SearchableContainer from "./SearchableContainer";
 
 type ChapterWithUser = Prisma.ChapterGetPayload<{
@@ -17,6 +19,8 @@ type AdminHomePageProps = {
 };
 
 const AdminHomePage = ({ chapters }: AdminHomePageProps) => {
+  const router = useRouter();
+
   return (
     <SearchableContainer
       elements={chapters}
@@ -32,7 +36,8 @@ const AdminHomePage = ({ chapters }: AdminHomePageProps) => {
         options.push({
           name: "Remove Chapter",
           onClick: async () => {
-            return;
+            const response = await deleteChapter(chapter.id);
+            router.refresh();
           },
           color: "#ef6767",
           icon: <FontAwesomeIcon icon={faTrashCan} />,

src/components/ChapterRequest.tsx

@@ -114,7 +114,7 @@ const ChapterRequest = (props: ChapterRequestProps) => {
             </div>
           ) : (
             <div className="flex justify-center p-2">
-              <Spinner height={16} width={16} />
+              <Spinner height={20} width={16} />
             </div>
           )}
         </div>