init: web_hgdjc_server

web/service/srv_search/sync_common.go

@@ -0,0 +1,47 @@
+package srv_search
+
+import (
+	"context"
+	"time"
+	"videoweb/pub/esmanager"
+	"videoweb/pub/models/esmod"
+)
+
+const esSyncOverlap = time.Minute
+
+// needFullESSync 判断是否需要全量同步 ES
+func needFullESSync(ctx context.Context, esIndex string) (bool, *esmod.ESRecord) {
+	esRecord, serr := esmod.GetRecordTimeByESIndex(ctx, esIndex)
+	if serr != nil || esRecord == nil {
+		return true, esRecord
+	}
+
+	count, err := esmanager.Instance.Count(esIndex, esmanager.M{
+		"query": esmanager.M{"match_all": esmanager.M{}},
+	})
+	if err != nil || count == 0 {
+		return true, esRecord
+	}
+
+	now := time.Now()
+	if (now.Hour() >= 5 && esRecord.UpdatedAt.Local().Hour() < 5) ||
+		esRecord.UpdatedAt.Local().Day() < now.Day() {
+		return true, esRecord
+	}
+	return false, esRecord
+}
+
+// esSyncSinceTime 取增量同步起点（RecordTime 优先，回退 1 分钟避免边界遗漏）
+func esSyncSinceTime(esRecord *esmod.ESRecord) time.Time {
+	if esRecord == nil {
+		return time.Time{}
+	}
+	since := esRecord.RecordTime
+	if since.IsZero() {
+		since = esRecord.UpdatedAt
+	}
+	if since.IsZero() {
+		return time.Time{}
+	}
+	return since.Add(-esSyncOverlap)
+}