refactor: Add DLA message parsing logic to BodyParser

internal/domain/dla.go

@@ -56,14 +56,14 @@ Description: Optional field for any additional relevant information.
 
 // DLA 电报体中的延误报文结构
 type DLA struct {
-	Category             string `json:"category"`               // 电报类别
-	AircraftID           string `json:"aircraft_id"`            // 航空器识别标志
-	SSRModeAndCode       string `json:"ssr_mode_and_code"`      // SSR 模式及编码
-	DepartureAirport     string `json:"departure_airport"`      // 起飞机场
-	NewDepartureTime     string `json:"new_departure_time"`     // 新的起飞时间
-	ArrivalAirport       string `json:"arrival_airport"`        // 到达机场
-	EstimatedElapsedTime string `json:"estimated_elapsed_time"` // 估计总耗时
-	OtherInfo            string `json:"other_info,omitempty"`   // 其他信息 (optional)
+	Category         string `json:"category"`                         // 电报类别
+	AircraftID       string `json:"aircraft_id"`                      // 航空器识别标志
+	SSRModeAndCode   string `json:"ssr_mode_and_code,omitempty"`      // SSR 模式及编码
+	DepartureAirport string `json:"departure_airport"`                // 起飞机场
+	NewDepartureTime string `json:"new_departure_time,omitempty"`     // 新的起飞时间
+	ArrivalAirport   string `json:"arrival_airport"`                  // 到达机场
+	ArrivalTime      string `json:"estimated_elapsed_time,omitempty"` // 估计总耗时
+	OtherInfo        string `json:"other_info,omitempty"`             // 其他信息 (optional)
 }
 
 // Validate validates the DLA struct fields
@@ -74,20 +74,11 @@ func (d *DLA) Validate() error {
 	if d.AircraftID == "" {
 		return fmt.Errorf("aircraft id is required")
 	}
-	if d.SSRModeAndCode == "" {
-		return fmt.Errorf("ssr mode and code is required")
-	}
 	if d.DepartureAirport == "" {
 		return fmt.Errorf("departure airport is required")
 	}
-	if d.NewDepartureTime == "" {
-		return fmt.Errorf("new departure time is required")
-	}
 	if d.ArrivalAirport == "" {
 		return fmt.Errorf("arrival airport is required")
 	}
-	if d.EstimatedElapsedTime == "" {
-		return fmt.Errorf("estimated elapsed time is required")
-	}
 	return nil
 }

internal/domain/dla_test.go

@@ -13,14 +13,14 @@ var _ = Describe("DLA", func() {
 
 	BeforeEach(func() {
 		original = DLA{
-			Category:             "DLA",
-			AircraftID:           "ABCD1234",
-			SSRModeAndCode:       "A1234",
-			DepartureAirport:     "JFK",
-			NewDepartureTime:     time.Now().Add(1 * time.Hour).Format("150405"), // HHMMSS format
-			ArrivalAirport:       "LAX",
-			EstimatedElapsedTime: "0500", // Example format
-			OtherInfo:            "Test flight delay",
+			Category:         "DLA",
+			AircraftID:       "ABCD1234",
+			SSRModeAndCode:   "A1234",
+			DepartureAirport: "JFK",
+			NewDepartureTime: time.Now().Add(1 * time.Hour).Format("150405"), // HHMMSS format
+			ArrivalAirport:   "LAX",
+			ArrivalTime:      "0500", // Example format
+			OtherInfo:        "Test flight delay",
 		}
 	})
 
@@ -47,11 +47,11 @@ var _ = Describe("DLA", func() {
 			invalidDLA := DLA{
 				Category: "DLA",
 				// AircraftID is missing
-				SSRModeAndCode:       "A1234",
-				DepartureAirport:     "JFK",
-				NewDepartureTime:     "150405",
-				ArrivalAirport:       "LAX",
-				EstimatedElapsedTime: "0500",
+				SSRModeAndCode:   "A1234",
+				DepartureAirport: "JFK",
+				NewDepartureTime: "150405",
+				ArrivalAirport:   "LAX",
+				ArrivalTime:      "0500",
 			}
 
 			err := invalidDLA.Validate()