Enable comment deletion on CommentDrawer (#460)

* Enable comment deletion on people and companies page

* Add storybook test

server/src/ability/ability.factory.ts

@@ -78,6 +78,7 @@ export class AbilityFactory {
     can(AbilityAction.Read, 'CommentThread', { workspaceId: workspace.id });
     can(AbilityAction.Create, 'CommentThread');
     can(AbilityAction.Update, 'CommentThread', { workspaceId: workspace.id });
+    can(AbilityAction.Delete, 'CommentThread', { workspaceId: workspace.id });
 
     // Comment
     can(AbilityAction.Read, 'Comment', { workspaceId: workspace.id });

server/src/core/comment/resolvers/comment-thread.resolver.ts

@@ -18,12 +18,15 @@ import { AbilityGuard } from 'src/guards/ability.guard';
 import { CheckAbilities } from 'src/decorators/check-abilities.decorator';
 import {
   CreateCommentThreadAbilityHandler,
+  DeleteCommentThreadAbilityHandler,
   ReadCommentThreadAbilityHandler,
   UpdateCommentThreadAbilityHandler,
 } from 'src/ability/handlers/comment-thread.ability-handler';
 import { UserAbility } from 'src/decorators/user-ability.decorator';
 import { AppAbility } from 'src/ability/ability.factory';
 import { accessibleBy } from '@casl/prisma';
+import { AffectedRows } from 'src/core/@generated/prisma/affected-rows.output';
+import { DeleteManyCommentThreadArgs } from 'src/core/@generated/comment-thread/delete-many-comment-thread.args';
 
 @UseGuards(JwtAuthGuard)
 @Resolver(() => CommentThread)
@@ -99,4 +102,17 @@ export class CommentThreadResolver {
 
     return result;
   }
+
+  @Mutation(() => AffectedRows, {
+    nullable: false,
+  })
+  @UseGuards(AbilityGuard)
+  @CheckAbilities(DeleteCommentThreadAbilityHandler)
+  async deleteManyCommentThreads(
+    @Args() args: DeleteManyCommentThreadArgs,
+  ): Promise<AffectedRows> {
+    return this.commentThreadService.deleteMany({
+      ...args,
+    });
+  }
 }

server/src/database/migrations/20230627132509_cascade_delete_comment/migration.sql

@@ -0,0 +1,5 @@
+-- DropForeignKey
+ALTER TABLE "comments" DROP CONSTRAINT "comments_commentThreadId_fkey";
+
+-- AddForeignKey
+ALTER TABLE "comments" ADD CONSTRAINT "comments_commentThreadId_fkey" FOREIGN KEY ("commentThreadId") REFERENCES "comment_threads"("id") ON DELETE CASCADE ON UPDATE CASCADE;

server/src/database/migrations/20230627132647_cascade_delete_comment_thread_target/migration.sql

@@ -0,0 +1,5 @@
+-- DropForeignKey
+ALTER TABLE "comment_thread_targets" DROP CONSTRAINT "comment_thread_targets_commentThreadId_fkey";
+
+-- AddForeignKey
+ALTER TABLE "comment_thread_targets" ADD CONSTRAINT "comment_thread_targets_commentThreadId_fkey" FOREIGN KEY ("commentThreadId") REFERENCES "comment_threads"("id") ON DELETE CASCADE ON UPDATE CASCADE;

server/src/database/schema.prisma

@@ -255,7 +255,7 @@ model Comment {
   authorId         String
   author           User          @relation(fields: [authorId], references: [id])
   commentThreadId  String
-  commentThread    CommentThread @relation(fields: [commentThreadId], references: [id])
+  commentThread    CommentThread @relation(fields: [commentThreadId], references: [id], onDelete: Cascade)
   /// @TypeGraphQL.omit(input: true, output: true)
   workspaceId      String
   /// @TypeGraphQL.omit(input: true, output: true)
@@ -275,7 +275,7 @@ model CommentThreadTarget {
   updatedAt        DateTime      @updatedAt
   deletedAt        DateTime?
   commentThreadId  String
-  commentThread    CommentThread @relation(fields: [commentThreadId], references: [id])
+  commentThread    CommentThread @relation(fields: [commentThreadId], references: [id], onDelete: Cascade)
 
   commentableType  CommentableType
   commentableId    String