feat: expand backend admin marketplace and scaling

src/modules/posts/dto/create-reel.dto.ts

@@ -0,0 +1,73 @@
+import { ApiPropertyOptional } from '@nestjs/swagger';
+import { Transform } from 'class-transformer';
+import {
+  ArrayMaxSize,
+  IsArray,
+  IsEnum,
+  IsNumber,
+  IsOptional,
+  IsString,
+  IsUrl,
+  Length,
+  Max,
+  Min,
+} from 'class-validator';
+import { PostVisibility } from '../../../common/enums/post-visibility.enum';
+import { toStringArray } from '../../../common/utils/array-transform.util';
+
+export class CreateReelDto {
+  @ApiPropertyOptional({ maxLength: 2200, description: 'Reel caption' })
+  @IsOptional()
+  @IsString()
+  @Length(0, 2200)
+  content?: string;
+
+  @ApiPropertyOptional({ description: 'Reel video URL (if not uploading videoFile)' })
+  @IsOptional()
+  @IsUrl({ require_tld: false })
+  videoUrl?: string;
+
+  @ApiPropertyOptional({ description: 'Video duration in seconds' })
+  @IsOptional()
+  @IsNumber()
+  @Min(1)
+  @Max(7200)
+  durationSeconds?: number;
+
+  @ApiPropertyOptional({ description: 'Video thumbnail URL' })
+  @IsOptional()
+  @IsUrl({ require_tld: false })
+  thumbnailUrl?: string;
+
+  @ApiPropertyOptional({ description: 'Music style or genre for the reel', maxLength: 80 })
+  @IsOptional()
+  @IsString()
+  @Length(0, 80)
+  style?: string;
+
+  @ApiPropertyOptional({ description: 'Maqam name for the reel', maxLength: 80 })
+  @IsOptional()
+  @IsString()
+  @Length(0, 80)
+  maqam?: string;
+
+  @ApiPropertyOptional({ description: 'Rhythm signature like 6/8 for the reel', maxLength: 40 })
+  @IsOptional()
+  @IsString()
+  @Length(0, 40)
+  rhythmSignature?: string;
+
+  @ApiPropertyOptional({ type: [String], description: 'Mention usernames like rami_sabry (max 30)' })
+  @IsOptional()
+  @Transform(toStringArray)
+  @IsArray()
+  @ArrayMaxSize(30)
+  @IsString({ each: true })
+  @Length(1, 30, { each: true })
+  mentionUsernames?: string[];
+
+  @ApiPropertyOptional({ enum: PostVisibility, default: PostVisibility.PUBLIC })
+  @IsOptional()
+  @IsEnum(PostVisibility)
+  visibility?: PostVisibility;
+}