优化

2026-09-08 18:16:54 +08:00
parent 1a1a19dea7
commit fcb4c055e2
32 changed files with 1239 additions and 46 deletions
@@ -0,0 +1,37 @@
+package com.baiyue.lastleg.delivery.model;
+
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+public final class DeliveryStatusPolicy {
+    private static final Set<String> EDITABLE_TARGETS = Set.of(
+        "WAIT_DELIVERY", "DELIVERING", "DELIVERED", "REJECTED", "CANCELLED");
+    private static final Map<String, Set<String>> TRANSITIONS = Map.of(
+        "WAIT_DELIVERY", Set.of("DELIVERING", "DELIVERED", "REJECTED", "CANCELLED"),
+        "DELIVERING", Set.of("DELIVERED", "REJECTED"),
+        "DELIVERED", Set.of(),
+        "REJECTED", Set.of(),
+        "RETURN_PENDING", Set.of(),
+        "CANCELLED", Set.of());
+
+    private DeliveryStatusPolicy() { }
+
+    public static boolean isEditableTarget(String status) {
+        return EDITABLE_TARGETS.contains(status);
+    }
+
+    public static boolean canTransition(String from, String target) {
+        return TRANSITIONS.getOrDefault(from, Set.of()).contains(target);
+    }
+
+    public static List<String> allowedActions(String status) {
+        return switch (status == null ? "" : status) {
+            case "WAIT_DELIVERY" -> List.of(
+                "START_DELIVERY", "COMPLETE_DELIVERY", "REJECT_DELIVERY", "CANCEL_DELIVERY", "MARK_RETURN");
+            case "DELIVERING" -> List.of("COMPLETE_DELIVERY", "REJECT_DELIVERY", "MARK_RETURN");
+            case "DELIVERED", "REJECTED" -> List.of("MARK_RETURN");
+            default -> List.of();
+        };
+    }
+}