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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,108 @@ | ||
| package timers | ||
|
|
||
| import ( | ||
| "context" | ||
| "log/slog" | ||
| "time" | ||
|
|
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| "github.com/redis/go-redis/v9" | ||
| "github.com/samber/lo" | ||
| config "github.com/satont/twir/libs/config" | ||
| model "github.com/satont/twir/libs/gomodels" | ||
| "github.com/satont/twir/libs/logger" | ||
| commandscache "github.com/twirapp/twir/libs/cache/commands" | ||
| generic_cacher "github.com/twirapp/twir/libs/cache/generic-cacher" | ||
| "go.uber.org/fx" | ||
| "gorm.io/gorm" | ||
| ) | ||
|
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| type ExpiredCommandsOpts struct { | ||
| fx.In | ||
| Lc fx.Lifecycle | ||
|
|
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| Logger logger.Logger | ||
| Config config.Config | ||
|
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| Gorm *gorm.DB | ||
| RedisClient *redis.Client | ||
| } | ||
|
|
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| type expiredCommands struct { | ||
| config config.Config | ||
| logger logger.Logger | ||
| db *gorm.DB | ||
| commandsCache *generic_cacher.GenericCacher[[]model.ChannelsCommands] | ||
| } | ||
|
|
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| func NewExpiredCommands(opts ExpiredCommandsOpts) *expiredCommands { | ||
| timeTick := lo.If(opts.Config.AppEnv != "production", 15*time.Second).Else(5 * time.Minute) | ||
| ticker := time.NewTicker(timeTick) | ||
|
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| ctx, cancel := context.WithCancel(context.Background()) | ||
|
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| s := &expiredCommands{ | ||
| config: opts.Config, | ||
| logger: opts.Logger, | ||
| db: opts.Gorm, | ||
| commandsCache: commandscache.New(opts.Gorm, opts.RedisClient), | ||
| } | ||
|
|
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| opts.Lc.Append( | ||
| fx.Hook{ | ||
| OnStart: func(_ context.Context) error { | ||
| go func() { | ||
| for { | ||
| select { | ||
| case <-ctx.Done(): | ||
| ticker.Stop() | ||
| return | ||
| case <-ticker.C: | ||
| s.checkForExpiredCommands(ctx) | ||
| } | ||
| } | ||
| }() | ||
|
|
||
| return nil | ||
| }, | ||
| OnStop: func(_ context.Context) error { | ||
| cancel() | ||
| return nil | ||
| }, | ||
| }, | ||
| ) | ||
|
|
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| return s | ||
| } | ||
|
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| func (s *expiredCommands) checkForExpiredCommands(ctx context.Context) { | ||
| var commands []model.ChannelsCommands | ||
| if err := s.db.WithContext(ctx).Preload("Channel").Where( | ||
| `"expires_at" < ? AND "expired" = ?`, | ||
| time.Now().UTC(), | ||
| false, | ||
| ).Find(&commands).Error; err != nil { | ||
| s.logger.Error("failed to get commands", slog.Any("err", err)) | ||
| return | ||
| } | ||
|
|
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| for _, c := range commands { | ||
| s.logger.Info("Command expired", slog.Any("command", c)) | ||
| c.Expired = true | ||
|
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| err := s.db.WithContext(ctx).Updates( | ||
| &c, | ||
| ).Error | ||
| if err != nil { | ||
| s.logger.Error("failed to update command", slog.Any("err", err)) | ||
| } | ||
|
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| err = s.commandsCache.Invalidate( | ||
| ctx, | ||
| c.Channel.ID) | ||
| if err != nil { | ||
| s.logger.Error("failed to invalidate commands cache", slog.Any("err", err)) | ||
| return | ||
| } | ||
|
|
||
| } | ||
| } |
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13 changes: 13 additions & 0 deletions
13
libs/migrations/migrations/20241025040229_commands_expiration.sql
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,13 @@ | ||
| -- +goose Up | ||
| -- +goose StatementBegin | ||
| SELECT 'up SQL query'; | ||
|
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| ALTER TABLE channels_commands ADD COLUMN expires_at timestamptz; | ||
| ALTER TABLE channels_commands ADD COLUMN expired boolean default false; | ||
| ALTER TABLE channels_commands ADD COLUMN expired_in integer DEFAULT 0; | ||
| -- +goose StatementEnd | ||
|
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||
| -- +goose Down | ||
| -- +goose StatementBegin | ||
| SELECT 'down SQL query'; | ||
| -- +goose StatementEnd |