made a pagination service

src/common/utils/pagination/pagination.service.ts

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+// common/utils/pagination/pagination.service.ts
+import { PaginationOptions, PaginationParams, PaginatedResponse } from './pagination.types';
+
+export class PaginationService {
+  private readonly DEFAULT_PAGE = 1;
+  private readonly DEFAULT_LIMIT = 10;
+  private readonly MAX_LIMIT = 100;
+
+  /**
+   * Parse and validate pagination parameters
+   */
+  parsePaginationParams(params: PaginationParams): PaginationOptions {
+    let page = Number(params.page) || this.DEFAULT_PAGE;
+    let limit = Number(params.limit) || this.DEFAULT_LIMIT;
+
+    // Validate and constrain values
+    page = Math.max(1, page);
+    limit = Math.max(1, Math.min(limit, this.MAX_LIMIT));
+
+    const skip = (page - 1) * limit;
+
+    return {
+      page,
+      limit,
+      skip,
+    };
+  }
+
+  /**
+   * Create paginated response
+   */
+  createPaginatedResponse<T>(
+    data: T[],
+    totalCount: number,
+    paginationOptions: PaginationOptions,
+  ): PaginatedResponse<T> {
+    const { page, limit } = paginationOptions;
+    const totalPages = Math.ceil(totalCount / limit);
+
+    return {
+      data,
+      pagination: {
+        currentPage: page,
+        pageSize: limit,
+        totalCount,
+        totalPages,
+        hasNext: page < totalPages,
+        hasPrevious: page > 1,
+      },
+    };
+  }
+
+  /**
+   * Extract pagination params from API Gateway event
+   */
+  getPaginationFromEvent(event: any): PaginationParams {
+    const queryParams = event.queryStringParameters || {};
+    
+    return {
+      page: queryParams.page,
+      limit: queryParams.limit,
+    };
+  }
+}
+
+export const paginationService = new PaginationService();

src/common/utils/pagination/pagination.types.ts

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+// common/utils/pagination/pagination.types.ts
+export interface PaginationOptions {
+  page: number;
+  limit: number;
+  skip: number;
+}
+
+export interface PaginatedResponse<T> {
+  data: T[];
+  pagination: {
+    currentPage: number;
+    pageSize: number;
+    totalCount: number;
+    totalPages: number;
+    hasNext: boolean;
+    hasPrevious: boolean;
+  };
+}
+
+export interface PaginationParams {
+  page?: string | number;
+  limit?: string | number;
+}