feat(forum): Add last post in forum item

backend/schema.gql

@@ -38,6 +38,7 @@ type ChildrenShowForumForums {
   created: Int!
   description: [TextLanguage!]!
   id: Int!
+  last_posts: LastPostsShowForumForumsObj!
   name: [TextLanguage!]!
   position: Int!
 }
@@ -48,6 +49,7 @@ type CreateForumForumsObj {
   created: Int!
   description: [TextLanguage!]!
   id: Int!
+  last_posts: LastPostsShowForumForumsObj!
   name: [TextLanguage!]!
   position: Int!
 }
@@ -90,6 +92,35 @@ type LastChildShowForumForums {
   position: Int!
 }
 
+type LastPostsShowForumForums {
+  created: Int!
+  id: Int!
+  topic: TopicLastPostsShowForumForums!
+  user: User!
+}
+
+input LastPostsShowForumForumsArgs {
+  cursor: Int
+  first: Int
+  last: Int
+  sortBy: [LastPostsShowForumForumsSortByArgs!]
+}
+
+type LastPostsShowForumForumsObj {
+  edges: [LastPostsShowForumForums!]!
+  pageInfo: PageInfo!
+}
+
+input LastPostsShowForumForumsSortByArgs {
+  column: LastPostsShowForumForumsSortingColumnEnum!
+  direction: SortDirectionEnum!
+}
+
+enum LastPostsShowForumForumsSortingColumnEnum {
+  created
+  updated
+}
+
 enum LayoutAdminInstallEnum {
   ACCOUNT
   DATABASE
@@ -185,6 +216,7 @@ type Query {
     first: Int
     ids: [Int!]
     last: Int
+    last_posts_args: LastPostsShowForumForumsArgs
     parent_id: Int
     search: String
 
@@ -204,6 +236,7 @@ type Query {
     first: Int
     ids: [Int!]
     last: Int
+    last_posts_args: LastPostsShowForumForumsArgs
     parent_id: Int
     search: String
 
@@ -470,6 +503,7 @@ type ShowForumForumsAdmin {
   created: Int!
   description: [TextLanguage!]!
   id: Int!
+  last_posts: LastPostsShowForumForumsObj!
   name: [TextLanguage!]!
   permissions: PermissionsForumForumsAdmin!
   position: Int!
@@ -498,6 +532,7 @@ type ShowForumForumsWithChildren {
   created: Int!
   description: [TextLanguage!]!
   id: Int!
+  last_posts: LastPostsShowForumForumsObj!
   name: [TextLanguage!]!
   permissions: PermissionsForumForums!
   position: Int!
@@ -581,6 +616,11 @@ enum TopicActions {
   unlock
 }
 
+type TopicLastPostsShowForumForums {
+  id: Int!
+  title: [TextLanguage!]!
+}
+
 """The `Upload` scalar type represents a file upload."""
 scalar Upload
 

backend/src/apps/admin/forum/forums/create/create.service.ts

@@ -110,6 +110,17 @@ export class CreateForumForumsService {
         total_posts: 0,
         total_topics: 0
       },
+      last_posts: {
+        edges: [],
+        pageInfo: {
+          count: 0,
+          totalCount: 0,
+          hasNextPage: false,
+          hasPreviousPage: false,
+          startCursor: null,
+          endCursor: null
+        }
+      },
       children: []
     };
   }

backend/src/apps/admin/forum/forums/edit/edit.service.ts

@@ -15,12 +15,14 @@ import {
 } from "../../database/schema/forums";
 import { TextLanguageInput } from "@/types/database/text-language.type";
 import { StatsShowForumForumsService } from "@/apps/forum/forums/show/stats.service";
+import { LastPostsForumForumsService } from "@/apps/forum/forums/show/last_posts/last_posts.service";
 
 @Injectable()
 export class EditForumForumsService {
   constructor(
     private databaseService: DatabaseService,
-    private statsService: StatsShowForumForumsService
+    private statsService: StatsShowForumForumsService,
+    private lastPostsService: LastPostsForumForumsService
   ) {}
 
   protected updateName = async ({
@@ -244,19 +246,40 @@ export class EditForumForumsService {
       }
     });
 
-    const stats = await this.statsService.stats({ forumId: id });
+    const { stats, topic_ids } = await this.statsService.topicsPosts({
+      forumId: id
+    });
+    const last_posts = await this.lastPostsService.lastPosts({
+      topicIds: topic_ids,
+      first: null,
+      cursor: null,
+      last: null,
+      sortBy: null
+    });
 
     return {
       ...dataUpdate,
+      last_posts,
       _count: {
         ...stats
       },
       children: await Promise.all(
         children.map(async item => {
-          const stats = await this.statsService.stats({ forumId: item.id });
+          const { stats, topic_ids } = await this.statsService.topicsPosts({
+            forumId: item.id
+          });
+
+          const last_posts = await this.lastPostsService.lastPosts({
+            topicIds: topic_ids,
+            first: null,
+            cursor: null,
+            last: null,
+            sortBy: null
+          });
 
           return {
             ...item,
+            last_posts,
             children: [],
             _count: {
               ...stats

backend/src/apps/forum/forums/forums.module.ts

@@ -3,13 +3,19 @@ import { Module } from "@nestjs/common";
 import { ShowForumForumsResolver } from "./show/show.resolver";
 import { ShowForumForumsService } from "./show/show.service";
 import { StatsShowForumForumsService } from "./show/stats.service";
+import { LastPostsForumForumsService } from "./show/last_posts/last_posts.service";
 
 @Module({
   providers: [
     ShowForumForumsResolver,
     ShowForumForumsService,
-    StatsShowForumForumsService
+    StatsShowForumForumsService,
+    LastPostsForumForumsService
   ],
-  exports: [ShowForumForumsService, StatsShowForumForumsService]
+  exports: [
+    ShowForumForumsService,
+    StatsShowForumForumsService,
+    LastPostsForumForumsService
+  ]
 })
 export class ForumsForumModule {}

backend/src/apps/forum/forums/show/dto/show.args.ts

@@ -1,5 +1,7 @@
 import { ArgsType, Field, Int } from "@nestjs/graphql";
 
+import { LastPostsShowForumForumsArgs } from "../last_posts/dto/last_posts.args";
+
 @ArgsType()
 export class ShowForumForumsArgs {
   @Field(() => Int, { nullable: true })
@@ -25,4 +27,7 @@ export class ShowForumForumsArgs {
 
   @Field(() => String, { nullable: true })
   search: string | null;
+
+  @Field(() => LastPostsShowForumForumsArgs, { nullable: true })
+  last_posts_args: LastPostsShowForumForumsArgs | null;
 }

backend/src/apps/forum/forums/show/dto/show.obj.ts

@@ -1,5 +1,7 @@
 import { Field, Int, ObjectType, OmitType } from "@nestjs/graphql";
 
+import { LastPostsShowForumForumsObj } from "../last_posts/dto/last_posts.obj";
+
 import { PageInfo } from "@/types/database/pagination.type";
 import { TextLanguage } from "@/types/database/text-language.type";
 
@@ -49,6 +51,9 @@ export class ShowForumForums {
 
   @Field(() => ShowForumForumsCounts)
   _count: ShowForumForumsCounts;
+
+  @Field(() => LastPostsShowForumForumsObj)
+  last_posts: LastPostsShowForumForumsObj;
 }
 
 @ObjectType()
@@ -59,7 +64,8 @@ export class FirstShowForumForums extends ShowForumForums {
 
 @ObjectType()
 class LastChildShowForumForums extends OmitType(ShowForumForums, [
-  "_count"
+  "_count",
+  "last_posts"
 ] as const) {}
 
 @ObjectType()

backend/src/apps/forum/forums/show/last_posts/dto/last_posts.args.ts

@@ -0,0 +1,36 @@
+import { Field, InputType, Int, registerEnumType } from "@nestjs/graphql";
+
+import { SortDirectionEnum } from "@/types/database/sortDirection.type";
+
+enum LastPostsShowForumForumsSortingColumnEnum {
+  created = "created",
+  updated = "updated"
+}
+
+registerEnumType(LastPostsShowForumForumsSortingColumnEnum, {
+  name: "LastPostsShowForumForumsSortingColumnEnum"
+});
+
+@InputType()
+class LastPostsShowForumForumsSortByArgs {
+  @Field(() => LastPostsShowForumForumsSortingColumnEnum)
+  column: LastPostsShowForumForumsSortingColumnEnum;
+
+  @Field(() => SortDirectionEnum)
+  direction: SortDirectionEnum;
+}
+
+@InputType()
+export class LastPostsShowForumForumsArgs {
+  @Field(() => Int, { nullable: true })
+  cursor: number | null;
+
+  @Field(() => Int, { nullable: true })
+  first: number | null;
+
+  @Field(() => Int, { nullable: true })
+  last: number | null;
+
+  @Field(() => [LastPostsShowForumForumsSortByArgs], { nullable: true })
+  sortBy: LastPostsShowForumForumsSortByArgs[] | null;
+}

backend/src/apps/forum/forums/show/last_posts/dto/last_posts.obj.ts

@@ -0,0 +1,38 @@
+import { Field, Int, ObjectType } from "@nestjs/graphql";
+
+import { PageInfo } from "@/types/database/pagination.type";
+import { TextLanguage } from "@/types/database/text-language.type";
+import { User } from "@/utils/decorators/user.decorator";
+
+@ObjectType()
+export class TopicLastPostsShowForumForums {
+  @Field(() => Int)
+  id: number;
+
+  @Field(() => [TextLanguage])
+  title: TextLanguage[];
+}
+
+@ObjectType()
+export class LastPostsShowForumForums {
+  @Field(() => Int)
+  id: number;
+
+  @Field(() => Int)
+  created: number;
+
+  @Field(() => User)
+  user: User;
+
+  @Field(() => TopicLastPostsShowForumForums)
+  topic: TopicLastPostsShowForumForums;
+}
+
+@ObjectType()
+export class LastPostsShowForumForumsObj {
+  @Field(() => [LastPostsShowForumForums])
+  edges: LastPostsShowForumForums[];
+
+  @Field(() => PageInfo)
+  pageInfo: PageInfo;
+}

backend/src/apps/forum/forums/show/last_posts/last_posts.service.ts

@@ -0,0 +1,82 @@
+import { Injectable } from "@nestjs/common";
+import { and, count, inArray } from "drizzle-orm";
+
+import { LastPostsShowForumForumsArgs } from "./dto/last_posts.args";
+import { LastPostsShowForumForumsObj } from "./dto/last_posts.obj";
+
+import { DatabaseService } from "@/database/database.service";
+import {
+  inputPaginationCursor,
+  outputPagination
+} from "@/functions/database/pagination";
+import { forum_posts } from "@/apps/admin/forum/database/schema/posts";
+import { SortDirectionEnum } from "@/types/database/sortDirection.type";
+
+interface Args extends LastPostsShowForumForumsArgs {
+  topicIds: number[];
+}
+
+@Injectable()
+export class LastPostsForumForumsService {
+  constructor(private databaseService: DatabaseService) {}
+
+  async lastPosts({
+    cursor,
+    first,
+    last,
+    sortBy,
+    topicIds
+  }: Args): Promise<LastPostsShowForumForumsObj> {
+    const pagination = await inputPaginationCursor({
+      cursor,
+      database: forum_posts,
+      databaseService: this.databaseService,
+      first,
+      last,
+      primaryCursor: { order: "ASC", key: "id", schema: forum_posts.id },
+      defaultSortBy: {
+        direction: SortDirectionEnum.desc,
+        column: "created"
+      },
+      sortBy
+    });
+
+    const where =
+      topicIds.length > 0 ? inArray(forum_posts.topic_id, topicIds) : undefined;
+
+    const edges = await this.databaseService.db.query.forum_posts.findMany({
+      ...pagination,
+      where: and(pagination.where, where),
+      with: {
+        topic: {
+          with: {
+            title: true
+          }
+        },
+        user: {
+          with: {
+            group: {
+              with: {
+                name: true
+              }
+            },
+            avatar: true
+          }
+        }
+      }
+    });
+
+    const totalCount = await this.databaseService.db
+      .select({ count: count() })
+      .from(forum_posts)
+      .where(where);
+
+    return outputPagination({
+      edges,
+      totalCount,
+      first,
+      cursor,
+      last
+    });
+  }
+}