feat: migrate runtime backend to node server

2026-04-08 16:41:29 +08:00
parent 9d2fc9e4b8
commit a83841ff2d
70 changed files with 8239 additions and 1561 deletions
--- a/server-node/src/repositories/runtimeRepository.ts
+++ b/server-node/src/repositories/runtimeRepository.ts
@@ -0,0 +1,182 @@
+import type { AppDatabase } from '../db.js';
+
+const SAVE_SNAPSHOT_VERSION = 2;
+const DEFAULT_MUSIC_VOLUME = 0.42;
+const MAX_CUSTOM_WORLD_PROFILES = 12;
+
+export type SavedSnapshot = {
+  version: number;
+  savedAt: string;
+  gameState: unknown;
+  bottomTab: string;
+  currentStory: unknown;
+};
+
+export type RuntimeSettings = {
+  musicVolume: number;
+};
+
+function parseJson<T>(value: string): T {
+  return JSON.parse(value) as T;
+}
+
+function toJson(value: unknown) {
+  return JSON.stringify(value ?? null);
+}
+
+export class RuntimeRepository {
+  constructor(private readonly db: AppDatabase) {}
+
+  getSnapshot(userId: string) {
+    const row = this.db
+      .prepare(
+        `SELECT version, saved_at, game_state_json, bottom_tab, current_story_json
+         FROM save_snapshots
+         WHERE user_id = ?`,
+      )
+      .get(userId) as
+      | {
+          version: number;
+          saved_at: string;
+          game_state_json: string;
+          bottom_tab: string;
+          current_story_json: string;
+        }
+      | undefined;
+
+    if (!row) {
+      return null;
+    }
+
+    return {
+      version: row.version,
+      savedAt: row.saved_at,
+      gameState: parseJson(row.game_state_json),
+      bottomTab: row.bottom_tab,
+      currentStory: parseJson(row.current_story_json),
+    } satisfies SavedSnapshot;
+  }
+
+  putSnapshot(userId: string, payload: Omit<SavedSnapshot, 'version'>) {
+    const snapshot = {
+      version: SAVE_SNAPSHOT_VERSION,
+      savedAt: payload.savedAt,
+      gameState: payload.gameState,
+      bottomTab: payload.bottomTab,
+      currentStory: payload.currentStory,
+    } satisfies SavedSnapshot;
+    const now = new Date().toISOString();
+
+    this.db
+      .prepare(
+        `INSERT INTO save_snapshots (
+           user_id, version, saved_at, bottom_tab, game_state_json, current_story_json, updated_at
+         ) VALUES (?, ?, ?, ?, ?, ?, ?)
+         ON CONFLICT(user_id) DO UPDATE SET
+           version = excluded.version,
+           saved_at = excluded.saved_at,
+           bottom_tab = excluded.bottom_tab,
+           game_state_json = excluded.game_state_json,
+           current_story_json = excluded.current_story_json,
+           updated_at = excluded.updated_at`,
+      )
+      .run(
+        userId,
+        snapshot.version,
+        snapshot.savedAt,
+        snapshot.bottomTab,
+        toJson(snapshot.gameState),
+        toJson(snapshot.currentStory),
+        now,
+      );
+
+    return snapshot;
+  }
+
+  deleteSnapshot(userId: string) {
+    this.db.prepare(`DELETE FROM save_snapshots WHERE user_id = ?`).run(userId);
+  }
+
+  getSettings(userId: string) {
+    const row = this.db
+      .prepare(
+        `SELECT music_volume
+         FROM runtime_settings
+         WHERE user_id = ?`,
+      )
+      .get(userId) as { music_volume: number } | undefined;
+
+    return {
+      musicVolume:
+        typeof row?.music_volume === 'number'
+          ? row.music_volume
+          : DEFAULT_MUSIC_VOLUME,
+    } satisfies RuntimeSettings;
+  }
+
+  putSettings(userId: string, settings: RuntimeSettings) {
+    const nextSettings = {
+      musicVolume: Math.max(0, Math.min(1, settings.musicVolume)),
+    } satisfies RuntimeSettings;
+
+    this.db
+      .prepare(
+        `INSERT INTO runtime_settings (user_id, music_volume, updated_at)
+         VALUES (?, ?, ?)
+         ON CONFLICT(user_id) DO UPDATE SET
+           music_volume = excluded.music_volume,
+           updated_at = excluded.updated_at`,
+      )
+      .run(userId, nextSettings.musicVolume, new Date().toISOString());
+
+    return nextSettings;
+  }
+
+  listCustomWorldProfiles(userId: string) {
+    const rows = this.db
+      .prepare(
+        `SELECT payload_json
+         FROM custom_world_profiles
+         WHERE user_id = ?
+         ORDER BY updated_at DESC
+         LIMIT ?`,
+      )
+      .all(userId, MAX_CUSTOM_WORLD_PROFILES) as Array<{ payload_json: string }>;
+
+    return rows.map((row) => parseJson<Record<string, unknown>>(row.payload_json));
+  }
+
+  upsertCustomWorldProfile(
+    userId: string,
+    profileId: string,
+    profile: Record<string, unknown>,
+  ) {
+    const payload = {
+      ...profile,
+      id: profileId,
+    };
+
+    this.db
+      .prepare(
+        `INSERT INTO custom_world_profiles (user_id, profile_id, payload_json, updated_at)
+         VALUES (?, ?, ?, ?)
+         ON CONFLICT(user_id, profile_id) DO UPDATE SET
+           payload_json = excluded.payload_json,
+           updated_at = excluded.updated_at`,
+      )
+      .run(userId, profileId, JSON.stringify(payload), new Date().toISOString());
+
+    return this.listCustomWorldProfiles(userId);
+  }
+
+  deleteCustomWorldProfile(userId: string, profileId: string) {
+    this.db
+      .prepare(
+        `DELETE FROM custom_world_profiles
+         WHERE user_id = ? AND profile_id = ?`,
+      )
+      .run(userId, profileId);
+
+    return this.listCustomWorldProfiles(userId);
+  }
+}