perf: 支持分享提交答案的接口

src/modules/share/repositories/share-participant.repository.ts

@@ -8,6 +8,14 @@ type ShareParticipantCountRow = {
   participantCount: string;
 };
 
+export type ShareParticipantRankingRow = {
+  shareConfigId: string;
+  participantId: string;
+  correctCount: number;
+  totalTimeSpent: number;
+  submittedAt: Date;
+};
+
 @Injectable()
 export class ShareParticipantRepository {
   constructor(
@@ -55,6 +63,107 @@ export class ShareParticipantRepository {
     );
   }
 
+  async upsertSubmissionSummary(data: {
+    shareConfigId: string;
+    participantId: string;
+    correctCount: number;
+    totalTimeSpent: number;
+    submittedAt: Date;
+  }): Promise<void> {
+    await this.repository
+      .createQueryBuilder()
+      .insert()
+      .into(ShareParticipant)
+      .values(data)
+      .orUpdate(
+        ['correctCount', 'totalTimeSpent', 'submittedAt'],
+        ['shareConfigId', 'participantId'],
+      )
+      .execute();
+  }
+
+  async countSubmittedByShareConfigId(shareConfigId: string): Promise<number> {
+    return this.repository
+      .createQueryBuilder('participant')
+      .where('participant.shareConfigId = :shareConfigId', { shareConfigId })
+      .andWhere('participant.submittedAt IS NOT NULL')
+      .getCount();
+  }
+
+  async countSubmittedByShareConfigIds(
+    shareConfigIds: string[],
+  ): Promise<Map<string, number>> {
+    if (shareConfigIds.length === 0) {
+      return new Map();
+    }
+
+    const rows = await this.repository
+      .createQueryBuilder('participant')
+      .select('participant.shareConfigId', 'shareConfigId')
+      .addSelect('COUNT(*)', 'participantCount')
+      .where('participant.shareConfigId IN (:...shareConfigIds)', {
+        shareConfigIds,
+      })
+      .andWhere('participant.submittedAt IS NOT NULL')
+      .groupBy('participant.shareConfigId')
+      .getRawMany<ShareParticipantCountRow>();
+
+    return new Map(
+      rows.map((row) => [row.shareConfigId, Number(row.participantCount)]),
+    );
+  }
+
+  async findSubmittedRankingsByShareConfigId(
+    shareConfigId: string,
+  ): Promise<ShareParticipantRankingRow[]> {
+    const rows = await this.repository
+      .createQueryBuilder('participant')
+      .where('participant.shareConfigId = :shareConfigId', { shareConfigId })
+      .andWhere('participant.submittedAt IS NOT NULL')
+      .orderBy('participant.correctCount', 'DESC')
+      .addOrderBy('participant.totalTimeSpent', 'ASC')
+      .addOrderBy('participant.submittedAt', 'ASC')
+      .addOrderBy('participant.participantId', 'ASC')
+      .getMany();
+
+    return rows.map((row) => ({
+      shareConfigId: row.shareConfigId,
+      participantId: row.participantId,
+      correctCount: row.correctCount,
+      totalTimeSpent: row.totalTimeSpent,
+      submittedAt: row.submittedAt!,
+    }));
+  }
+
+  async findSubmittedRankingsByShareConfigIds(
+    shareConfigIds: string[],
+  ): Promise<ShareParticipantRankingRow[]> {
+    if (shareConfigIds.length === 0) {
+      return [];
+    }
+
+    const rows = await this.repository
+      .createQueryBuilder('participant')
+      .where('participant.shareConfigId IN (:...shareConfigIds)', {
+        shareConfigIds,
+      })
+      .andWhere('participant.submittedAt IS NOT NULL')
+      .orderBy('participant.shareConfigId', 'ASC')
+      .addOrderBy('participant.correctCount', 'DESC')
+      .addOrderBy('participant.totalTimeSpent', 'ASC')
+      .addOrderBy('participant.submittedAt', 'ASC')
+      .addOrderBy('participant.participantId', 'ASC')
+      .getMany();
+
+    return rows.map((row) => ({
+      shareConfigId: row.shareConfigId,
+      participantId: row.participantId,
+      correctCount: row.correctCount,
+      totalTimeSpent: row.totalTimeSpent,
+      submittedAt: row.submittedAt!,
+    }));
+  }
+
   async existsByShareConfigAndParticipant(
     shareConfigId: string,
     participantId: string,