feat: new module: 'shipment', new signal when process was finished

shipment/admin.py

@@ -0,0 +1,49 @@
+from django.contrib import admin
+from .models import Shipment, SalesItem
+
+
+class SalesItemInline(admin.TabularInline):
+    model = SalesItem
+    extra = 1
+    fields = ['name', 'quantity', 'unit', 'printing_job_id', 'customer_id', 'created_by']
+    readonly_fields = ['created_by']
+
+
+@admin.register(Shipment)
+class ShipmentAdmin(admin.ModelAdmin):
+    list_display = ['id', 'customer', 'shipment_date', 'items_count', 'created_by', 'created_at']
+    list_filter = ['shipment_date', 'created_at']
+    search_fields = ['customer__name', 'remark']
+    readonly_fields = ['created_at', 'updated_at', 'created_by']
+    date_hierarchy = 'shipment_date'
+    inlines = [SalesItemInline]
+    
+    def items_count(self, obj):
+        return obj.items.count()
+    items_count.short_description = '销售品数量'
+    
+    def save_model(self, request, obj, form, change):
+        if not change:
+            obj.created_by = request.user
+        super().save_model(request, obj, form, change)
+    
+    def save_formset(self, request, form, formset, change):
+        instances = formset.save(commit=False)
+        for instance in instances:
+            if isinstance(instance, SalesItem) and not instance.pk:
+                instance.created_by = request.user
+            instance.save()
+        formset.save_m2m()
+
+
+@admin.register(SalesItem)
+class SalesItemAdmin(admin.ModelAdmin):
+    list_display = ['id', 'name', 'quantity', 'unit', 'shipment', 'printing_job_id', 'customer_id', 'created_by', 'created_at']
+    list_filter = ['unit', 'created_at']
+    search_fields = ['name', 'shipment__customer__name']
+    readonly_fields = ['created_at', 'updated_at', 'created_by']
+    
+    def save_model(self, request, obj, form, change):
+        if not change:
+            obj.created_by = request.user
+        super().save_model(request, obj, form, change)