后端 - ChannelMonitorRunner 重写为事件驱动调度 - 删除 5 秒轮询架构(每次 ListEnabled + listDueForCheck 全表扫描), 改为每个 enabled monitor 一个独立 goroutine + ticker(按各自 IntervalSeconds) - 新增 MonitorScheduler 接口,service 通过 setter 注入避免依赖环 - ChannelMonitorService.Create/Update/Delete 直接回调 scheduler.Schedule/Unschedule - runner.Start 一次性加载所有 enabled monitor 建立任务表 - 新建/启用立即触发首次检测,禁用/删除即时撤销 ticker - 保留 inFlight 去重 + pond 池并发上限 + 全局开关每次 fire 实时校验 - 删除 listDueForCheck / monitorTickerInterval / monitorListDueTimeout 前端 - 可用渠道改为用户级菜单 - 从 adminNavItems 移除 /available-channels(admin 主菜单不再重复出现) - buildSelfNavItems 始终包含可用渠道入口,普通用户主菜单和 管理员"我的账户"区都能看到
540 lines
20 KiB
Go
540 lines
20 KiB
Go
package service
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import (
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"context"
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"fmt"
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"log/slog"
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"strings"
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"sync"
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"time"
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"golang.org/x/sync/errgroup"
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)
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// ChannelMonitorRepository 渠道监控数据访问接口。
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// 入参/返回的指针类型均使用 service 包的 ChannelMonitor 模型,
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// repository 实现负责与 ent 模型互转,并保持 api_key_encrypted 字段为密文。
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type ChannelMonitorRepository interface {
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// CRUD
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Create(ctx context.Context, m *ChannelMonitor) error
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GetByID(ctx context.Context, id int64) (*ChannelMonitor, error)
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Update(ctx context.Context, m *ChannelMonitor) error
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Delete(ctx context.Context, id int64) error
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List(ctx context.Context, params ChannelMonitorListParams) ([]*ChannelMonitor, int64, error)
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// 调度器辅助
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ListEnabled(ctx context.Context) ([]*ChannelMonitor, error)
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MarkChecked(ctx context.Context, id int64, checkedAt time.Time) error
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InsertHistoryBatch(ctx context.Context, rows []*ChannelMonitorHistoryRow) error
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DeleteHistoryBefore(ctx context.Context, before time.Time) (int64, error)
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// 历史记录
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ListHistory(ctx context.Context, monitorID int64, model string, limit int) ([]*ChannelMonitorHistoryEntry, error)
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// 用户视图聚合
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ListLatestPerModel(ctx context.Context, monitorID int64) ([]*ChannelMonitorLatest, error)
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ComputeAvailability(ctx context.Context, monitorID int64, windowDays int) ([]*ChannelMonitorAvailability, error)
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// 批量聚合(admin/user list 用,避免 N+1)
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ListLatestForMonitorIDs(ctx context.Context, ids []int64) (map[int64][]*ChannelMonitorLatest, error)
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ComputeAvailabilityForMonitors(ctx context.Context, ids []int64, windowDays int) (map[int64][]*ChannelMonitorAvailability, error)
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// ListRecentHistoryForMonitors 批量取多个 monitor 各自主模型(primaryModels[monitorID])最近 perMonitorLimit 条历史。
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// 返回的 entry 已按 checked_at DESC 排序(最新在前),不含 message 字段。
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ListRecentHistoryForMonitors(ctx context.Context, ids []int64, primaryModels map[int64]string, perMonitorLimit int) (map[int64][]*ChannelMonitorHistoryEntry, error)
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// ---------- 聚合维护(OpsCleanupService 调用) ----------
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// UpsertDailyRollupsFor 把 targetDate 当天的明细按 (monitor_id, model, bucket_date)
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// 聚合到 channel_monitor_daily_rollups。targetDate 会被截断到日期;
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// 用 ON CONFLICT DO UPDATE 实现幂等回填,返回 upsert 影响的行数。
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UpsertDailyRollupsFor(ctx context.Context, targetDate time.Time) (int64, error)
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// DeleteRollupsBefore 软删 bucket_date < beforeDate 的聚合行,返回删除行数。
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DeleteRollupsBefore(ctx context.Context, beforeDate time.Time) (int64, error)
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// LoadAggregationWatermark 读 watermark(id=1)。
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// 返回 nil 表示从未聚合过;watermark 表本身预期已存在单行(migration 110 写入)。
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LoadAggregationWatermark(ctx context.Context) (*time.Time, error)
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// UpdateAggregationWatermark 写 watermark(UPSERT 到 id=1)。
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UpdateAggregationWatermark(ctx context.Context, date time.Time) error
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}
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// ChannelMonitorService 渠道监控管理服务。
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type ChannelMonitorService struct {
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repo ChannelMonitorRepository
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encryptor SecretEncryptor
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// scheduler 由 wire 通过 SetScheduler 注入;CRUD 后调用对应钩子即时同步任务。
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// 测试或未注入场景下保持 nil,所有钩子调用变为 no-op。
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scheduler MonitorScheduler
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}
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// NewChannelMonitorService 创建渠道监控服务实例。
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func NewChannelMonitorService(repo ChannelMonitorRepository, encryptor SecretEncryptor) *ChannelMonitorService {
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return &ChannelMonitorService{repo: repo, encryptor: encryptor}
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}
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// ---------- CRUD ----------
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// List 列表查询(支持 provider/enabled/search 过滤 + 分页)。
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// 返回的 ChannelMonitor.APIKey 已解密为明文,handler 层负责脱敏。
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func (s *ChannelMonitorService) List(ctx context.Context, params ChannelMonitorListParams) ([]*ChannelMonitor, int64, error) {
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if params.Page < 1 {
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params.Page = 1
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}
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if params.PageSize < 1 || params.PageSize > 200 {
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params.PageSize = 20
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}
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items, total, err := s.repo.List(ctx, params)
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if err != nil {
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return nil, 0, fmt.Errorf("list channel monitors: %w", err)
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}
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for _, it := range items {
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s.decryptInPlace(it)
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}
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return items, total, nil
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}
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// Get 查询单个监控(解密 API Key)。
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func (s *ChannelMonitorService) Get(ctx context.Context, id int64) (*ChannelMonitor, error) {
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m, err := s.repo.GetByID(ctx, id)
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if err != nil {
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return nil, err
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}
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s.decryptInPlace(m)
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return m, nil
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}
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// Create 创建监控(内部加密 api_key)。
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func (s *ChannelMonitorService) Create(ctx context.Context, p ChannelMonitorCreateParams) (*ChannelMonitor, error) {
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if err := validateCreateParams(p); err != nil {
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return nil, err
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}
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if err := validateBodyModeParams(p.BodyOverrideMode, p.BodyOverride); err != nil {
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return nil, err
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}
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if err := validateExtraHeaders(p.ExtraHeaders); err != nil {
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return nil, err
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}
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encrypted, err := s.encryptor.Encrypt(p.APIKey)
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if err != nil {
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return nil, fmt.Errorf("encrypt api key: %w", err)
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}
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m := &ChannelMonitor{
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Name: strings.TrimSpace(p.Name),
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Provider: p.Provider,
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Endpoint: normalizeEndpoint(p.Endpoint),
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APIKey: encrypted, // 注意:传入 repository 时该字段为密文
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PrimaryModel: strings.TrimSpace(p.PrimaryModel),
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ExtraModels: normalizeModels(p.ExtraModels),
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GroupName: strings.TrimSpace(p.GroupName),
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Enabled: p.Enabled,
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IntervalSeconds: p.IntervalSeconds,
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CreatedBy: p.CreatedBy,
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TemplateID: p.TemplateID,
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ExtraHeaders: emptyHeadersIfNil(p.ExtraHeaders),
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BodyOverrideMode: defaultBodyMode(p.BodyOverrideMode),
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BodyOverride: p.BodyOverride,
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}
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if err := s.repo.Create(ctx, m); err != nil {
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return nil, fmt.Errorf("create channel monitor: %w", err)
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}
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// 不再调 s.Get 重走解密链:已知刚加密的明文,直接构造响应。
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// 这样可避免 SecretEncryptor 解密失败时 APIKey 被静默清空的问题(见 Fix 4)。
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m.APIKey = strings.TrimSpace(p.APIKey)
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if s.scheduler != nil {
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s.scheduler.Schedule(m)
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}
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return m, nil
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}
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// validateCreateParams 把 Create 入参的所有校验聚拢为一个函数,避免 Create 主体超过 30 行。
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func validateCreateParams(p ChannelMonitorCreateParams) error {
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if err := validateProvider(p.Provider); err != nil {
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return err
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}
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if err := validateInterval(p.IntervalSeconds); err != nil {
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return err
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}
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if err := validateEndpoint(p.Endpoint); err != nil {
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return err
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}
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if strings.TrimSpace(p.APIKey) == "" {
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return ErrChannelMonitorMissingAPIKey
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}
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if strings.TrimSpace(p.PrimaryModel) == "" {
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return ErrChannelMonitorMissingPrimaryModel
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}
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return nil
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}
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// Update 更新监控。APIKey 字段:nil 或空字符串 = 不修改;非空 = 加密后覆盖。
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func (s *ChannelMonitorService) Update(ctx context.Context, id int64, p ChannelMonitorUpdateParams) (*ChannelMonitor, error) {
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existing, err := s.repo.GetByID(ctx, id)
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if err != nil {
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return nil, err
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}
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if err := applyMonitorUpdate(existing, p); err != nil {
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return nil, err
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}
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newPlainAPIKey, apiKeyUpdated, err := s.applyAPIKeyUpdate(existing, p.APIKey)
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if err != nil {
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return nil, err
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}
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if err := s.repo.Update(ctx, existing); err != nil {
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return nil, fmt.Errorf("update channel monitor: %w", err)
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}
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// 不再调 s.Get 重走解密链:避免二次解密带来的"密文被静默清空"风险(与 Create 一致)。
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if apiKeyUpdated {
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existing.APIKey = newPlainAPIKey
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} else {
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s.decryptInPlace(existing)
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}
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if s.scheduler != nil {
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// Schedule 内部根据 Enabled 自动选择 Unschedule 或重建任务,
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// IntervalSeconds 变化也会被自然吸收(旧 task 取消 + 新 task 用新 interval)。
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s.scheduler.Schedule(existing)
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}
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return existing, nil
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}
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// applyAPIKeyUpdate 处理 Update 中的 APIKey 字段:
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// - 入参 raw 为 nil 或空白:不修改 existing.APIKey(仍为密文),返回 updated=false
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// - 非空:加密后写入 existing.APIKey;同时把明文返回给调用方,
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// 供写库成功后塞回 existing 避免把密文吐回客户端
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func (s *ChannelMonitorService) applyAPIKeyUpdate(existing *ChannelMonitor, raw *string) (plain string, updated bool, err error) {
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if raw == nil || strings.TrimSpace(*raw) == "" {
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return "", false, nil
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}
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plain = strings.TrimSpace(*raw)
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encrypted, encErr := s.encryptor.Encrypt(plain)
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if encErr != nil {
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return "", false, fmt.Errorf("encrypt api key: %w", encErr)
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}
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existing.APIKey = encrypted
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return plain, true, nil
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}
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// Delete 删除监控(历史通过外键 CASCADE 自动清理)。
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func (s *ChannelMonitorService) Delete(ctx context.Context, id int64) error {
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if err := s.repo.Delete(ctx, id); err != nil {
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return fmt.Errorf("delete channel monitor: %w", err)
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}
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if s.scheduler != nil {
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s.scheduler.Unschedule(id)
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}
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return nil
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}
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// ListHistory 列出某个监控最近的检测历史。
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// model 为空表示返回所有模型;limit <= 0 时使用默认值,超过上限会被截断。
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func (s *ChannelMonitorService) ListHistory(ctx context.Context, id int64, model string, limit int) ([]*ChannelMonitorHistoryEntry, error) {
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if _, err := s.repo.GetByID(ctx, id); err != nil {
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return nil, err
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}
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if limit <= 0 {
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limit = MonitorHistoryDefaultLimit
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}
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if limit > MonitorHistoryMaxLimit {
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limit = MonitorHistoryMaxLimit
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}
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entries, err := s.repo.ListHistory(ctx, id, strings.TrimSpace(model), limit)
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if err != nil {
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return nil, fmt.Errorf("list history: %w", err)
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}
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return entries, nil
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}
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// ---------- 业务 ----------
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// RunCheck 同步触发对一个监控的检测:并发跑 primary + extra 模型,
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// 写历史记录并更新 last_checked_at。返回每个模型的检测结果。
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func (s *ChannelMonitorService) RunCheck(ctx context.Context, id int64) ([]*CheckResult, error) {
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m, err := s.Get(ctx, id) // 已解密 APIKey
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if err != nil {
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return nil, err
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}
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if m.APIKeyDecryptFailed {
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return nil, ErrChannelMonitorAPIKeyDecryptFailed
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}
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results := s.runChecksConcurrent(ctx, m)
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s.persistCheckResults(ctx, m, results)
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return results, nil
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}
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// persistCheckResults 写入本次检测的历史记录并更新 last_checked_at。
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// 任一写库失败都只记日志,不影响调用方拿到 results(与 MVP 期望一致:宁可漏记历史也要先返回结果)。
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func (s *ChannelMonitorService) persistCheckResults(ctx context.Context, m *ChannelMonitor, results []*CheckResult) {
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rows := make([]*ChannelMonitorHistoryRow, 0, len(results))
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for _, r := range results {
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rows = append(rows, &ChannelMonitorHistoryRow{
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MonitorID: m.ID,
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Model: r.Model,
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Status: r.Status,
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LatencyMs: r.LatencyMs,
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PingLatencyMs: r.PingLatencyMs,
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Message: r.Message,
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CheckedAt: r.CheckedAt,
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})
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}
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if err := s.repo.InsertHistoryBatch(ctx, rows); err != nil {
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slog.Error("channel_monitor: insert history failed",
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"monitor_id", m.ID, "name", m.Name, "error", err)
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}
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if err := s.repo.MarkChecked(ctx, m.ID, time.Now()); err != nil {
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slog.Error("channel_monitor: mark checked failed",
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"monitor_id", m.ID, "error", err)
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}
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}
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// runChecksConcurrent 对 primary + extra 模型并发执行检测。
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// errgroup 仅用于等待,不传播错误(每个 model 失败都已打包进 CheckResult)。
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func (s *ChannelMonitorService) runChecksConcurrent(ctx context.Context, m *ChannelMonitor) []*CheckResult {
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models := append([]string{m.PrimaryModel}, m.ExtraModels...)
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results := make([]*CheckResult, len(models))
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// ping 共享一次,所有模型记录同一个 ping 延迟。
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pingMs := pingEndpointOrigin(ctx, m.Endpoint)
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// 所有模型共用同一份 CheckOptions(来自监控的快照字段)。
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opts := &CheckOptions{
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ExtraHeaders: m.ExtraHeaders,
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BodyOverrideMode: m.BodyOverrideMode,
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BodyOverride: m.BodyOverride,
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}
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var eg errgroup.Group
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var mu sync.Mutex
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for i, model := range models {
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i, model := i, model
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eg.Go(func() error {
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r := runCheckForModel(ctx, m.Provider, m.Endpoint, m.APIKey, model, opts)
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r.PingLatencyMs = pingMs
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mu.Lock()
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results[i] = r
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mu.Unlock()
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return nil
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})
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}
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_ = eg.Wait()
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return results
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}
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// ---------- 调度器协作 ----------
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// SetScheduler 由 wire 在 runner 构造后注入,用于在 CRUD 时即时同步任务表。
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// 通过 setter 注入避免 service ↔ runner 的依赖环。
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func (s *ChannelMonitorService) SetScheduler(sched MonitorScheduler) {
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s.scheduler = sched
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}
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// ListEnabledMonitors 返回所有 enabled=true 的监控(解密后),供 runner 启动时建立任务表。
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func (s *ChannelMonitorService) ListEnabledMonitors(ctx context.Context) ([]*ChannelMonitor, error) {
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all, err := s.repo.ListEnabled(ctx)
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if err != nil {
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return nil, err
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}
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for _, m := range all {
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s.decryptInPlace(m)
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}
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return all, nil
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}
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// cleanupOldHistory 删除 monitorHistoryRetentionDays 天之前的明细历史记录。
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// 由 RunDailyMaintenance 调用;SoftDeleteMixin 自动把 DELETE 改为 UPDATE deleted_at。
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func (s *ChannelMonitorService) cleanupOldHistory(ctx context.Context) error {
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before := time.Now().UTC().AddDate(0, 0, -monitorHistoryRetentionDays)
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deleted, err := s.repo.DeleteHistoryBefore(ctx, before)
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if err != nil {
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return fmt.Errorf("delete history before %s: %w", before.Format(time.RFC3339), err)
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}
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if deleted > 0 {
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slog.Info("channel_monitor: history cleanup",
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"deleted_rows", deleted, "before", before.Format(time.RFC3339))
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}
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return nil
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}
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// RunDailyMaintenance 每日维护任务:聚合昨天之前未聚合的明细,软删过期明细和聚合。
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// 由 OpsCleanupService 的 cron 调度触发(共享 schedule 和 leader lock)。
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//
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// 幂等性:
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// - watermark 保证已聚合的日期不会重复处理;
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// - UpsertDailyRollupsFor 内部使用 ON CONFLICT DO UPDATE,同一日重复跑结果一致。
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//
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// 每一步失败都只记 slog.Warn,整体函数始终返回 nil 让后续步骤能继续跑
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// (与 OpsCleanupService.runCleanupOnce 风格一致)。
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func (s *ChannelMonitorService) RunDailyMaintenance(ctx context.Context) error {
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now := time.Now().UTC()
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today := now.Truncate(24 * time.Hour)
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if err := s.runDailyAggregation(ctx, today); err != nil {
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slog.Warn("channel_monitor: maintenance step failed",
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"step", "aggregate", "error", err)
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}
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if err := s.cleanupOldHistory(ctx); err != nil {
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slog.Warn("channel_monitor: maintenance step failed",
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"step", "prune_history", "error", err)
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}
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if err := s.cleanupOldRollups(ctx, today); err != nil {
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slog.Warn("channel_monitor: maintenance step failed",
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"step", "prune_rollups", "error", err)
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}
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return nil
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}
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// runDailyAggregation 从 watermark+1 聚合到昨天(UTC)。
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// 首次跑(watermark nil):从 today-monitorRollupRetentionDays 开始回填。
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// 每次最多聚合 monitorMaintenanceMaxDaysPerRun 天,避免长事务。
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func (s *ChannelMonitorService) runDailyAggregation(ctx context.Context, today time.Time) error {
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watermark, err := s.repo.LoadAggregationWatermark(ctx)
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if err != nil {
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return fmt.Errorf("load watermark: %w", err)
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}
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start := s.resolveAggregationStart(watermark, today)
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if !start.Before(today) {
|
||
return nil // 没有需要聚合的日期
|
||
}
|
||
|
||
iterations := 0
|
||
for d := start; d.Before(today); d = d.Add(24 * time.Hour) {
|
||
if iterations >= monitorMaintenanceMaxDaysPerRun {
|
||
slog.Info("channel_monitor: maintenance aggregation capped",
|
||
"max_days", monitorMaintenanceMaxDaysPerRun,
|
||
"next_resume", d.Format("2006-01-02"))
|
||
break
|
||
}
|
||
affected, upErr := s.repo.UpsertDailyRollupsFor(ctx, d)
|
||
if upErr != nil {
|
||
return fmt.Errorf("upsert rollups for %s: %w", d.Format("2006-01-02"), upErr)
|
||
}
|
||
if err := s.repo.UpdateAggregationWatermark(ctx, d); err != nil {
|
||
return fmt.Errorf("update watermark to %s: %w", d.Format("2006-01-02"), err)
|
||
}
|
||
slog.Info("channel_monitor: rollups upserted",
|
||
"date", d.Format("2006-01-02"), "affected_rows", affected)
|
||
iterations++
|
||
}
|
||
return nil
|
||
}
|
||
|
||
// resolveAggregationStart 计算本次聚合起点:
|
||
// - watermark == nil:today - monitorRollupRetentionDays(首次回填最多 30 天)
|
||
// - watermark != nil:*watermark + 1 day
|
||
func (s *ChannelMonitorService) resolveAggregationStart(watermark *time.Time, today time.Time) time.Time {
|
||
if watermark == nil {
|
||
return today.AddDate(0, 0, -monitorRollupRetentionDays)
|
||
}
|
||
return watermark.UTC().Truncate(24 * time.Hour).Add(24 * time.Hour)
|
||
}
|
||
|
||
// cleanupOldRollups 软删 bucket_date < today - monitorRollupRetentionDays 的日聚合行。
|
||
func (s *ChannelMonitorService) cleanupOldRollups(ctx context.Context, today time.Time) error {
|
||
cutoff := today.AddDate(0, 0, -monitorRollupRetentionDays)
|
||
deleted, err := s.repo.DeleteRollupsBefore(ctx, cutoff)
|
||
if err != nil {
|
||
return fmt.Errorf("delete rollups before %s: %w", cutoff.Format("2006-01-02"), err)
|
||
}
|
||
if deleted > 0 {
|
||
slog.Info("channel_monitor: rollups cleanup",
|
||
"deleted_rows", deleted, "before", cutoff.Format("2006-01-02"))
|
||
}
|
||
return nil
|
||
}
|
||
|
||
// ---------- helpers ----------
|
||
|
||
// decryptInPlace 把 ChannelMonitor.APIKey 从密文解密为明文。
|
||
// 解密失败时把字段清空 + 设置 APIKeyDecryptFailed=true(不返回错误,避免阻断列表渲染)。
|
||
// runner / RunCheck 必须读取该标志位并拒绝执行检测。
|
||
func (s *ChannelMonitorService) decryptInPlace(m *ChannelMonitor) {
|
||
if m == nil || m.APIKey == "" {
|
||
return
|
||
}
|
||
plain, err := s.encryptor.Decrypt(m.APIKey)
|
||
if err != nil {
|
||
slog.Warn("channel_monitor: decrypt api key failed",
|
||
"monitor_id", m.ID, "error", err)
|
||
m.APIKey = ""
|
||
m.APIKeyDecryptFailed = true
|
||
return
|
||
}
|
||
m.APIKey = plain
|
||
}
|
||
|
||
// applyMonitorUpdate 把 update params 中非 nil 的字段应用到 existing 上。
|
||
// APIKey 字段在调用方单独处理(涉及加密)。
|
||
//
|
||
// 行数稍超过 30:这是逐字段平铺的 dispatcher,每个 if 都是 1-3 行的"非 nil 则覆盖"模式,
|
||
// 拆分反而会增加跳转噪音、影响可读性,故保留为单函数。
|
||
func applyMonitorUpdate(existing *ChannelMonitor, p ChannelMonitorUpdateParams) error {
|
||
if p.Name != nil {
|
||
existing.Name = strings.TrimSpace(*p.Name)
|
||
}
|
||
if p.Provider != nil {
|
||
if err := validateProvider(*p.Provider); err != nil {
|
||
return err
|
||
}
|
||
existing.Provider = *p.Provider
|
||
}
|
||
if p.Endpoint != nil {
|
||
if err := validateEndpoint(*p.Endpoint); err != nil {
|
||
return err
|
||
}
|
||
existing.Endpoint = normalizeEndpoint(*p.Endpoint)
|
||
}
|
||
if p.PrimaryModel != nil {
|
||
existing.PrimaryModel = strings.TrimSpace(*p.PrimaryModel)
|
||
}
|
||
if p.ExtraModels != nil {
|
||
existing.ExtraModels = normalizeModels(*p.ExtraModels)
|
||
}
|
||
if p.GroupName != nil {
|
||
existing.GroupName = strings.TrimSpace(*p.GroupName)
|
||
}
|
||
if p.Enabled != nil {
|
||
existing.Enabled = *p.Enabled
|
||
}
|
||
if p.IntervalSeconds != nil {
|
||
if err := validateInterval(*p.IntervalSeconds); err != nil {
|
||
return err
|
||
}
|
||
existing.IntervalSeconds = *p.IntervalSeconds
|
||
}
|
||
return applyMonitorAdvancedUpdate(existing, p)
|
||
}
|
||
|
||
// applyMonitorAdvancedUpdate 处理自定义请求快照相关字段,从 applyMonitorUpdate 拆出避免过长。
|
||
func applyMonitorAdvancedUpdate(existing *ChannelMonitor, p ChannelMonitorUpdateParams) error {
|
||
if p.ClearTemplate {
|
||
existing.TemplateID = nil
|
||
} else if p.TemplateID != nil {
|
||
id := *p.TemplateID
|
||
existing.TemplateID = &id
|
||
}
|
||
if p.ExtraHeaders != nil {
|
||
if err := validateExtraHeaders(*p.ExtraHeaders); err != nil {
|
||
return err
|
||
}
|
||
existing.ExtraHeaders = emptyHeadersIfNil(*p.ExtraHeaders)
|
||
}
|
||
// BodyOverrideMode / BodyOverride 联合校验,和模板一致。
|
||
newMode := existing.BodyOverrideMode
|
||
newBody := existing.BodyOverride
|
||
if p.BodyOverrideMode != nil {
|
||
newMode = *p.BodyOverrideMode
|
||
}
|
||
if p.BodyOverride != nil {
|
||
newBody = *p.BodyOverride
|
||
}
|
||
if p.BodyOverrideMode != nil || p.BodyOverride != nil {
|
||
if err := validateBodyModeParams(newMode, newBody); err != nil {
|
||
return err
|
||
}
|
||
existing.BodyOverrideMode = defaultBodyMode(newMode)
|
||
existing.BodyOverride = newBody
|
||
}
|
||
return nil
|
||
}
|