토너먼트 준비

app/game-api/src/tournament/store.ts

@@ -0,0 +1,46 @@
+import type { TournamentKeys } from './keys.js';
+import type { TournamentMatchEntry, TournamentParticipantEntry, TournamentState } from './types.js';
+
+interface RedisClientLike {
+    get(key: string): Promise<string | null>;
+    set(key: string, value: string): Promise<unknown>;
+}
+
+const safeJsonParse = <T>(raw: string | null): T | null => {
+    if (!raw) {
+        return null;
+    }
+    try {
+        return JSON.parse(raw) as T;
+    } catch {
+        return null;
+    }
+};
+
+export class TournamentStore {
+    constructor(private readonly redis: RedisClientLike, private readonly keys: TournamentKeys) {}
+
+    async getState(): Promise<TournamentState | null> {
+        return safeJsonParse<TournamentState>(await this.redis.get(this.keys.stateKey));
+    }
+
+    async setState(state: TournamentState): Promise<void> {
+        await this.redis.set(this.keys.stateKey, JSON.stringify(state));
+    }
+
+    async getParticipants(): Promise<TournamentParticipantEntry[]> {
+        return safeJsonParse<TournamentParticipantEntry[]>(await this.redis.get(this.keys.participantsKey)) ?? [];
+    }
+
+    async setParticipants(participants: TournamentParticipantEntry[]): Promise<void> {
+        await this.redis.set(this.keys.participantsKey, JSON.stringify(participants));
+    }
+
+    async getMatches(): Promise<TournamentMatchEntry[]> {
+        return safeJsonParse<TournamentMatchEntry[]>(await this.redis.get(this.keys.matchesKey)) ?? [];
+    }
+
+    async setMatches(matches: TournamentMatchEntry[]): Promise<void> {
+        await this.redis.set(this.keys.matchesKey, JSON.stringify(matches));
+    }
+}