init: AI培训与智能巡检系统

2026-06-16 00:55:20 +08:00
commit c55598494b
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+import { Injectable } from '@nestjs/common';
+import { WritableDbService } from '../db/writable-db.service';
+import { levelFor } from './levels';
+
+@Injectable()
+export class CommunityService {
+  constructor(private readonly wdb: WritableDbService) {}
+
+  /** 贡献榜（公开）：按积分降序。*/
+  leaderboard(limit = 20) {
+    const rows = this.wdb.db
+      .prepare(
+        `SELECT id, display_name, role, contribution_points
+         FROM users WHERE contribution_points > 0
+         ORDER BY contribution_points DESC, id ASC LIMIT ?`,
+      )
+      .all(limit) as any[];
+    return rows.map((r, i) => ({
+      rank: i + 1,
+      id: r.id,
+      displayName: r.display_name,
+      role: r.role,
+      points: r.contribution_points,
+      title: levelFor(r.contribution_points).title,
+    }));
+  }
+
+  /** 某车型的维护者署名列表。*/
+  maintainers(modelId: number) {
+    return this.wdb.db
+      .prepare(
+        `SELECT u.id, u.display_name AS displayName, u.role, m.created_at AS since
+         FROM model_maintainers m JOIN users u ON u.id = m.user_id
+         WHERE m.model_id = ? ORDER BY m.created_at ASC`,
+      )
+      .all(modelId);
+  }
+
+  claim(modelId: number, userId: number) {
+    this.wdb.db
+      .prepare(
+        `INSERT INTO model_maintainers (model_id, user_id) VALUES (?, ?)
+         ON CONFLICT(model_id, user_id) DO NOTHING`,
+      )
+      .run(modelId, userId);
+    return this.maintainers(modelId);
+  }
+
+  unclaim(modelId: number, userId: number) {
+    this.wdb.db
+      .prepare('DELETE FROM model_maintainers WHERE model_id = ? AND user_id = ?')
+      .run(modelId, userId);
+    return this.maintainers(modelId);
+  }
+}