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