chore: add is pinned to the blog entity and also add route for it

src/common/enums/message.enum.ts

@@ -664,4 +664,5 @@ export const enum BlogMessage {
   INVALID_DATE = "تاریخ نامعتبر است",
   IS_ACTIVE_SHOULD_BE_1_0 = "وضعیت فعال بودن باید یکی از ۱ یا ۰ باشد",
   SEARCH_QUERY_STRING = "رشته جستجو باید یک رشته باشد",
+  IS_PINNED_SHOULD_BE_A_BOOLEAN = "وضعیت سنجاق بودن باید یک بولین باشد",
 }

src/modules/blogs/DTO/create-blog.dto.ts

@@ -1,5 +1,5 @@
-import { ApiProperty } from "@nestjs/swagger";
+import { ApiProperty, ApiPropertyOptional } from "@nestjs/swagger";
-import { ArrayMinSize, IsArray, IsBoolean, IsNotEmpty, IsString, IsUUID, MaxLength } from "class-validator";
+import { ArrayMinSize, IsArray, IsBoolean, IsNotEmpty, IsOptional, IsString, IsUUID, MaxLength } from "class-validator";
 
 import { BlogMessage } from "../../../common/enums/message.enum";
 
@@ -55,4 +55,12 @@ export class CreateBlogDto {
   @IsBoolean({ message: BlogMessage.IS_ACTIVE_SHOULD_BE_A_BOOLEAN })
   @ApiProperty({ description: "Is active of the blog", example: true })
   isActive: boolean;
+
+  @ApiPropertyOptional({
+    description: "Whether the blog is pinned or not",
+    default: false,
+  })
+  @IsOptional()
+  @IsBoolean({ message: BlogMessage.IS_PINNED_SHOULD_BE_A_BOOLEAN })
+  isPinned?: boolean;
 }

src/modules/blogs/controllers/blogs.controller.ts

@@ -61,6 +61,12 @@ export class BlogsController {
     return this.blogsService.getMostVisitedBlogs();
   }
 
+  @ApiOperation({ summary: "Get most pinned blogs" })
+  @SkipAuth()
+  @Get("pinned")
+  getPinnedBlogs() {
+    return this.blogsService.getPinnedBlogs();
+  }
   @ApiOperation({ summary: "Create a new blog (admin route)" })
   @Post()
   @AdminRoute()

src/modules/blogs/entities/blog.entity.ts

@@ -37,6 +37,9 @@ export class Blog extends BaseEntity {
   @Column({ type: "int", default: 0 })
   viewCount: number;
 
+  @Column({ type: "boolean", default: false })
+  isPinned: boolean;
+
   @ManyToOne(() => User, (user) => user.blogs)
   author: User;
 

src/modules/blogs/providers/blogs.service.ts

@@ -262,4 +262,16 @@ export class BlogsService {
     const blogs = await this.blogsRepository.getMostVisitedBlogs();
     return { blogs };
   }
+
+  async getPinnedBlogs() {
+    const blogs = await this.blogsRepository.getPinnedBlogs();
+    return { blogs };
+  }
+
+  async togglePinnedStatus(id: string) {
+    const blog = await this.findBlogById(id);
+    blog.isPinned = !blog.isPinned;
+    await this.blogsRepository.save(blog);
+    return { message: CommonMessage.UPDATE_SUCCESS, blog };
+  }
 }

src/modules/blogs/repositories/blogs.repository.ts

@@ -191,4 +191,25 @@ export class BlogsRepository extends Repository<Blog> {
       .take(limit)
       .getMany();
   }
+
+  async getPinnedBlogs(limit: number = 4) {
+    return this.createQueryBuilder("blog")
+      .where("blog.deletedAt IS NULL")
+      .andWhere("blog.isActive = :isActive", { isActive: true })
+      .andWhere("blog.isPinned = :isPinned", { isPinned: true })
+      .select([
+        "blog.id",
+        "blog.title",
+        "blog.previewContent",
+        "blog.metaTitle",
+        "blog.metaDescription",
+        "blog.imageUrl",
+        "blog.slug",
+        "blog.createdAt",
+        "blog.viewCount",
+      ])
+      .orderBy("blog.createdAt", "DESC")
+      .take(limit)
+      .getMany();
+  }
 }