feat: 建立统一检测任务、样本链与发病事件

server-go/internal/handler/lamp.go

@@ -14,6 +14,7 @@ import (
 
 	"github.com/gin-gonic/gin"
 	"gorm.io/gorm"
+	"gorm.io/gorm/clause"
 )
 
 // RegisterLampRoutes 注册 LAMP 检测路由
@@ -79,6 +80,10 @@ func createLampTest(db *gorm.DB) gin.HandlerFunc {
 			c.JSON(http.StatusBadRequest, gin.H{"error": "batchId 不是合法的 UUID"})
 			return
 		}
+		if t.DetectionTaskID != nil && !isUUID(*t.DetectionTaskID) {
+			c.JSON(http.StatusBadRequest, gin.H{"error": "detectionTaskId 不是合法的 UUID"})
+			return
+		}
 		if t.Status == "" {
 			t.Status = "pending"
 		}
@@ -127,6 +132,8 @@ func judgeQPCR(db *gorm.DB) gin.HandlerFunc {
 		db.Model(&model.LampTest{}).Where("id = ?", id).Updates(map[string]interface{}{
 			"extra_data": raw, "result": result, "status": "resulted", "resulted_at": now,
 		})
+		_ = syncDetectionTaskFromLamp(db, id)
+		_ = ensureDiseaseEventForLamp(db, id)
 		_ = runCrossValidation(db, id, result)
 		db.Where("id = ?", id).First(&t)
 		c.JSON(http.StatusOK, t)
@@ -312,12 +319,81 @@ func updateLampTest(db *gorm.DB) gin.HandlerFunc {
 		// 交叉验证：结果落库后与同房间最近巡检比对
 		if resultSet && resultValue != "" {
 			_ = runCrossValidation(db, id, resultValue)
+			_ = syncDetectionTaskFromLamp(db, id)
+			_ = ensureDiseaseEventForLamp(db, id)
 		}
 		db.Where("id = ?", id).First(&t)
 		c.JSON(http.StatusOK, t)
 	}
 }
 
+// syncDetectionTaskFromLamp LAMP 结果同步到统一检测任务。
+func syncDetectionTaskFromLamp(db *gorm.DB, lampID string) error {
+	var t model.LampTest
+	if err := db.Where("id = ?", lampID).First(&t).Error; err != nil {
+		return err
+	}
+	if t.DetectionTaskID == nil || t.Result == nil {
+		return nil
+	}
+	return db.Model(&model.DetectionTask{}).Where("id = ?", *t.DetectionTaskID).
+		Updates(map[string]interface{}{
+			"result":      *t.Result,
+			"status":      "completed",
+			"resulted_at": t.ResultedAt,
+		}).Error
+}
+
+// ensureDiseaseEventForLamp 有效阳性结果创建发病事件，重复结果不重复建单。
+func ensureDiseaseEventForLamp(db *gorm.DB, lampID string) error {
+	var t model.LampTest
+	if err := db.Where("id = ?", lampID).First(&t).Error; err != nil {
+		return err
+	}
+	if t.Result == nil || *t.Result != "positive" {
+		return nil
+	}
+	disease := "待确认"
+	var diseases []string
+	if len(t.Diseases) > 0 {
+		_ = json.Unmarshal(t.Diseases, &diseases)
+		if len(diseases) > 0 {
+			disease = diseases[0]
+		}
+	}
+	now := time.Now()
+	evidence, _ := json.Marshal(map[string]interface{}{
+		"result":     *t.Result,
+		"method":     t.Method,
+		"resultedAt": t.ResultedAt,
+		"lampTestId": t.ID,
+		"operatorId": t.OperatorID,
+	})
+	sourceKey := "lamp-" + t.ID
+	event := model.DiseaseEvent{
+		SourceKey:       sourceKey,
+		RoomID:          t.RoomID,
+		BatchID:         t.BatchID,
+		DetectionTaskID: t.DetectionTaskID,
+		LampTestID:      &t.ID,
+		Disease:         disease,
+		Status:          "confirmed",
+		Evidence:        evidence,
+		ConfirmedAt:     &now,
+		ConfirmedBy:     t.OperatorID,
+	}
+	if err := db.Clauses(clause.OnConflict{
+		Columns:   []clause.Column{{Name: "source_key"}},
+		DoNothing: true,
+	}).Create(&event).Error; err != nil {
+		return err
+	}
+	if event.ID == "" {
+		_ = db.Where("source_key = ?", sourceKey).First(&event).Error
+	}
+	return ensureTraceForDiseaseEvent(db, event)
+}
+
 // runCrossValidation 用同房间最近的巡检记录做交叉验证，并回写 cross_status/cross_reason
 func runCrossValidation(db *gorm.DB, lampTestID, lampResult string) error {
 	var t model.LampTest
@@ -376,8 +452,8 @@ func getLampCrossValidation(db *gorm.DB) gin.HandlerFunc {
 			}
 		}
 		c.JSON(http.StatusOK, gin.H{
-			"crossStatus": t.CrossStatus,
-			"crossReason": t.CrossReason,
+			"crossStatus":       t.CrossStatus,
+			"crossReason":       t.CrossReason,
 			"relatedInspection": related,
 		})
 	}