Initial commit

src/common/dto/pagination.dto.ts

@@ -0,0 +1,65 @@
+import { IsOptional, IsInt, Min, Max, IsString, IsIn } from 'class-validator';
+import { Transform } from 'class-transformer';
+import { ApiPropertyOptional } from '@nestjs/swagger';
+
+export class PaginationDto {
+  @ApiPropertyOptional({ default: 1, minimum: 1, description: 'Page number' })
+  @IsOptional()
+  @Transform(({ value }) => parseInt(value, 10))
+  @IsInt()
+  @Min(1)
+  page?: number = 1;
+
+  @ApiPropertyOptional({
+    default: 10,
+    minimum: 1,
+    maximum: 100,
+    description: 'Items per page',
+  })
+  @IsOptional()
+  @Transform(({ value }) => parseInt(value, 10))
+  @IsInt()
+  @Min(1)
+  @Max(100)
+  limit?: number = 10;
+
+  @ApiPropertyOptional({ description: 'Field to sort by' })
+  @IsOptional()
+  @IsString()
+  sortBy?: string = 'createdAt';
+
+  @ApiPropertyOptional({
+    enum: ['asc', 'desc'],
+    default: 'desc',
+    description: 'Sort order',
+  })
+  @IsOptional()
+  @IsIn(['asc', 'desc'])
+  sortOrder?: 'asc' | 'desc' = 'desc';
+
+  @ApiPropertyOptional({ description: 'Search query' })
+  @IsOptional()
+  @IsString()
+  search?: string;
+
+  /**
+   * Get skip value for Prisma
+   */
+  get skip(): number {
+    return ((this.page || 1) - 1) * (this.limit || 10);
+  }
+
+  /**
+   * Get take value for Prisma
+   */
+  get take(): number {
+    return this.limit || 10;
+  }
+
+  /**
+   * Get orderBy object for Prisma
+   */
+  get orderBy(): Record<string, 'asc' | 'desc'> {
+    return { [this.sortBy || 'createdAt']: this.sortOrder || 'desc' };
+  }
+}