Enrich /GET competitions endpoints

Author: ArtemKolodko

src/app.controller.ts

@@ -26,6 +26,7 @@ import {plainToInstance} from "class-transformer";
 import {JwtUserAccount} from "./entities/user-account.entity";
 import {GetWinnerLiquidityProvisionsDto} from "./dto/winner.liquidity.dto";
 import {CacheTTL} from "@nestjs/common/cache";
+import {GetCompetitionsDto} from "./dto/competition.dto";
 
 @SkipThrottle()
 @ApiTags('app')
@@ -99,8 +100,8 @@ export class AppController {
 
   @CacheTTL(200)
   @Get('/competitions')
-  getCompetitions() {
-    return this.appService.getCompetitions()
+  getCompetitions(@Query() dto: GetCompetitionsDto) {
+    return this.appService.getCompetitions(dto)
   }
 
   @CacheTTL(200)

src/app.service.ts

@@ -16,6 +16,7 @@ import {GetCandlesDto, GetTradesDto} from "./dto/trade.dto";
 import {UserService} from "./user/user.service";
 import {Candle} from "./types";
 import {GetWinnerLiquidityProvisionsDto} from "./dto/winner.liquidity.dto";
+import {GetCompetitionsDto} from "./dto/competition.dto";
 
 @Injectable()
 export class AppService {
@@ -109,13 +110,19 @@ export class AppService {
         })
     }
 
-    async getCompetitions() {
+    async getCompetitions(dto: GetCompetitionsDto = {}) {
+        const {offset = 0, limit = 100, competitionId} = dto
+
         return await this.dataSource.manager.find(CompetitionEntity, {
             relations: ['winnerToken'],
-            where: {},
+            where: {
+                competitionId
+            },
             order: {
                 competitionId: 'desc'
-            }
+            },
+            skip: offset,
+            take: limit
         })
     }
 

src/dto/competition.dto.ts

@@ -0,0 +1,23 @@
+import {ApiProperty} from "@nestjs/swagger";
+import {Type} from "class-transformer";
+import {IsOptional, IsString} from "class-validator";
+
+export class GetCompetitionsDto {
+  @ApiProperty({ type: Number, required: false })
+  @IsOptional()
+  competitionId?: number;
+
+  @ApiProperty({ type: Number, required: false, default: '100' })
+  // @Transform((limit) => limit.value.toNumber())
+  @Type(() => String)
+  @IsString()
+  @IsOptional()
+  limit?: number;
+
+  @ApiProperty({ type: Number, required: false, default: '0' })
+  // @Transform((offset) => offset.value.toNumber())
+  @Type(() => String)
+  @IsString()
+  @IsOptional()
+  offset?: number;
+}

src/indexer/indexer.service.ts

@@ -387,7 +387,7 @@ export class IndexerService {
     const competitionId = Number(values['competitionId'] as bigint)
     const timestamp = Number(values['timestamp'] as bigint)
 
-    const competitions = await this.appService.getCompetitions()
+    const competitions = await this.appService.getCompetitions({ limit: 1 })
     if(competitions.length > 0) {
       const currentCompetition = competitions[0]
       if(currentCompetition) {