autosnippet
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Extract code patterns into a knowledge base for AI coding assistants
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JavaScript
/**
* LifecycleEventRepository — lifecycle_transition_events 表 CRUD (Drizzle ORM)
*
* 操作 lifecycle_transition_events 表，存储 Recipe 生命周期状态转移事件。
*
* Drizzle 迁移策略：
* - 替代 RecipeLifecycleSupervisor 中的所有 rawDb.prepare() 调用
* - 消除 12 个 escape-hatch 注解
*/
import { count, desc, eq, gt, sql } from 'drizzle-orm';
import { lifecycleTransitionEvents } from '../../infrastructure/database/drizzle/schema.js';
/* ────────────────────── Class ────────────────────── */
export class LifecycleEventRepository {
#drizzle;
constructor(drizzle) {
this.#drizzle = drizzle;
}
/* ═══════════════════ Write ═══════════════════ */
record(input) {
this.#drizzle
.insert(lifecycleTransitionEvents)
.values({
id: input.id,
recipeId: input.recipeId,
fromState: input.fromState,
toState: input.toState,
trigger: input.trigger,
operatorId: input.operatorId,
evidenceJson: input.evidence ? JSON.stringify(input.evidence) : null,
proposalId: input.proposalId,
createdAt: input.createdAt,
})
.run();
}
/* ═══════════════════ Read ═══════════════════ */
/** 获取指定 Recipe 的转移历史（按时间倒序） */
getHistory(recipeId, limit = 50) {
const rows = this.#drizzle
.select()
.from(lifecycleTransitionEvents)
.where(eq(lifecycleTransitionEvents.recipeId, recipeId))
.orderBy(desc(lifecycleTransitionEvents.createdAt))
.limit(limit)
.all();
return rows.map((r) => this.#mapRow(r));
}
/** 统计指定时间之后的事件数量 */
countSince(since) {
const result = this.#drizzle
.select({ cnt: count() })
.from(lifecycleTransitionEvents)
.where(gt(lifecycleTransitionEvents.createdAt, since))
.get();
return result?.cnt ?? 0;
}
/** 按 trigger 分组统计（限定时间窗口，按数量倒序前 N） */
topTriggersSince(since, limit = 5) {
const rows = this.#drizzle
.select({
trigger: lifecycleTransitionEvents.trigger,
cnt: count(),
})
.from(lifecycleTransitionEvents)
.where(gt(lifecycleTransitionEvents.createdAt, since))
.groupBy(lifecycleTransitionEvents.trigger)
.orderBy(sql `count(*) desc`)
.limit(limit)
.all();
return rows.map((r) => ({ trigger: r.trigger, count: r.cnt }));
}
/** 按 trigger 值统计数量 */
countByTrigger(trigger) {
const result = this.#drizzle
.select({ cnt: count() })
.from(lifecycleTransitionEvents)
.where(eq(lifecycleTransitionEvents.trigger, trigger))
.get();
return result?.cnt ?? 0;
}
/** 按多个 trigger 值统计数量 */
countByTriggers(triggers) {
if (triggers.length === 0) {
return 0;
}
// Build OR condition for multiple triggers
const result = this.#drizzle
.select({ cnt: count() })
.from(lifecycleTransitionEvents)
.where(sql `${lifecycleTransitionEvents.trigger} IN (${sql.join(triggers.map((t) => sql `${t}`), sql `, `)})`)
.get();
return result?.cnt ?? 0;
}
/* ═══════════════════ Internal ═══════════════════ */
#mapRow(row) {
return {
id: row.id,
recipeId: row.recipeId,
fromState: row.fromState,
toState: row.toState,
trigger: row.trigger,
operatorId: row.operatorId,
evidence: row.evidenceJson ? safeJsonParse(row.evidenceJson, null) : null,
proposalId: row.proposalId ?? null,
createdAt: row.createdAt,
};
}
}
/* ────────────────────── Util ────────────────────── */
function safeJsonParse(json, fallback) {
if (!json) {
return fallback;
}
try {
return JSON.parse(json);
}
catch {
return fallback;
}
}