fix: pagination issue for file preview API

apps/api-gateway/src/issuance/dtos/issuance.dto.ts

@@ -6,9 +6,8 @@ import { IsCredentialJsonLdContext, SingleOrArray } from '../utils/helper';
 import { IssueCredentialType, JsonLdCredentialDetailCredentialStatusOptions, JsonLdCredentialDetailOptionsOptions, JsonObject } from '../interfaces';
 import { Transform, Type } from 'class-transformer';
 
-import { AutoAccept, SchemaType } from '@credebl/enum/enum';
+import { AutoAccept, SchemaType, SortValue } from '@credebl/enum/enum';
 import { SortFields } from 'apps/connection/src/enum/connection.enum';
-import { SortValue } from '../../enum';
 import { trim } from '@credebl/common/cast.helper';
 
 class Issuer {
@@ -430,38 +429,20 @@ export class OOBCredentialDtoWithEmail {
     orgId: string;
 }
 
-
 export class PreviewFileDetails {
-    @ApiProperty({
-        required: false
-    })
-    @Transform(({ value }) => trim(value))
-    @IsOptional()
-    @IsEnum(SortFields)
-    sortField: string = SortFields.CREATED_DATE_TIME;
-
-    @ApiProperty({
-        enum: [SortValue.DESC, SortValue.ASC],
-        required: false
-    })
-    @Transform(({ value }) => trim(value))
-    @IsOptional()
-    @IsEnum(SortValue)
-    sortBy: string = SortValue.DESC;
-
-    @ApiProperty({ required: false, example: '10' })
-    @IsOptional()
-    pageSize: number = 10;
+  @ApiProperty({ required: false, example: '1' })
+  @IsOptional()
+  pageNumber: number = 1;
 
-    @ApiProperty({ required: false, example: '1' })
-    @IsOptional()
-    pageNumber: number = 1;
+  @ApiProperty({ required: false, example: '10' })
+  @IsOptional()
+  pageSize: number = 10;
 
-    @ApiProperty({ required: false })
-    @IsOptional()
-    @Transform(({ value }) => trim(value))
-    @Type(() => String)
-    searchByText: string = '';
+  @ApiProperty({ required: false })
+  @IsOptional()
+  @Transform(({ value }) => trim(value))
+  @Type(() => String)
+  searchByText: string = '';
 }
 
 export class FileParameter {
@@ -563,8 +544,7 @@ export class FileQuery {
 }
 
 export class RequestIdQuery {
-  @ApiPropertyOptional({ required: false })
-  @IsOptional()
+  @ApiProperty({ required: true })
   @IsString({ message: 'requestId should be string' })
   @IsNotEmpty({ message: 'requestId Id is required' })
   @Transform(({ value }) => trim(value))

apps/api-gateway/src/issuance/issuance.controller.ts

@@ -340,7 +340,7 @@ async downloadBulkIssuanceCSVTemplate(
     required: false
   })
   @ApiQuery({
-    name: 'search',
+    name: 'searchByText',
     type: String,
     required: false
   })
@@ -349,26 +349,16 @@ async downloadBulkIssuanceCSVTemplate(
     type: Number,
     required: false
   })
-  @ApiQuery({
-    name: 'sortBy',
-    type: String,
-    required: false
-  })
-  @ApiQuery({
-    name: 'sortValue',
-    type: Number,
-    required: false
-  })
   async previewFileDataForIssuance(
     @Param('orgId') orgId: string,
     @Query(new ValidationPipe({ transform: true })) query: RequestIdQuery,
     @Query() previewFileDetails: PreviewFileDetails,
     @Res() res: Response
-  ): Promise<object> {
+  ): Promise<Response> {
 
     const { requestId } = query;
     const previewCSVDetails = await this.issueCredentialService.previewCSVDetails(requestId, orgId, previewFileDetails);
-    const finalResponse: IResponseType = {
+    const finalResponse: IResponse = {
       statusCode: HttpStatus.OK,
       message: ResponseMessages.issuance.success.previewCSV,
       data: previewCSVDetails
@@ -506,7 +496,7 @@ async downloadBulkIssuanceCSVTemplate(
   })
   async getFileDetailsByFileId(
     @Param('orgId') orgId: string,
-    @Query(new ValidationPipe({ transform: true })) query: FileQuery,
+    @Param(new ValidationPipe({ transform: true })) query: FileQuery,
     @Query() fileParameter: FileParameter,
     @Res() res: Response
   ): Promise<object> {

apps/issuance/interfaces/issuance.interfaces.ts

@@ -196,8 +196,8 @@ export interface PreviewRequest {
   pageNumber: number,
   pageSize: number,
   searchByText: string,
-  sortField: string,
-  sortBy: string
+  sortField?: string,
+  sortBy?: string
 }
 
 export interface FileUpload {

apps/issuance/src/issuance.service.ts

@@ -21,7 +21,7 @@ import { parse as paParse } from 'papaparse';
 import { v4 as uuidv4 } from 'uuid';
 import { Cache } from 'cache-manager';
 import { CACHE_MANAGER } from '@nestjs/cache-manager';
-import { convertUrlToDeepLinkUrl, orderValues, paginator } from '@credebl/common/common.utils';
+import { convertUrlToDeepLinkUrl, paginator } from '@credebl/common/common.utils';
 import { InjectQueue } from '@nestjs/bull';
 import { Queue } from 'bull';
 import { FileUploadStatus, FileUploadType } from 'apps/api-gateway/src/enum';
@@ -1077,6 +1077,7 @@ async sendEmailForCredentialOffer(sendEmailCredentialOffer: SendEmailCredentialO
     }
   }
 
+
   async previewFileDataForIssuance(
     requestId: string,
     previewRequest: PreviewRequest
@@ -1091,9 +1092,19 @@ async sendEmailForCredentialOffer(sendEmailCredentialOffer: SendEmailCredentialO
           throw new BadRequestException(ResponseMessages.issuance.error.previewCachedData);
         }
         const parsedData = JSON.parse(cachedData as string).fileData.data;
-        parsedData.sort(orderValues(previewRequest.sortBy, previewRequest.sortField));
-        const finalData = paginator(parsedData, previewRequest.pageNumber, previewRequest.pageSize);
-
+
+        // Apply search to the entire dataset if searchByText is provided
+        let filteredData = parsedData;
+        if (previewRequest.searchByText) {
+          const searchTerm = previewRequest.searchByText.toLowerCase();
+          filteredData = parsedData.filter(item => item.email_identifier.toLowerCase().includes(searchTerm) ||
+            item.name.toLowerCase().includes(searchTerm)
+          );
+        }
+
+        // Apply pagination to the filtered data
+        const finalData = paginator(filteredData, previewRequest.pageNumber, previewRequest.pageSize);
+
         return finalData;
       } else {
         throw new BadRequestException(ResponseMessages.issuance.error.previewFile);
@@ -1103,6 +1114,7 @@ async sendEmailForCredentialOffer(sendEmailCredentialOffer: SendEmailCredentialO
       throw new RpcException(error.response);
     }
   }
+
 
   async getFileDetailsByFileId(
     fileId: string,