added image_name to PlateOrder model

printing/admin.py

@@ -52,7 +52,7 @@ class PlateOrderAdmin(admin.ModelAdmin):
         }),
         ('开版信息', {
             'fields': [
-                'plate_method', 'plate_image', 'plate_notes', 'reprint_reason',
+                'plate_method', 'plate_image', 'image_name', 'plate_notes', 'reprint_reason',
                 'is_mark_frame', 'sample_meter', 'required_sample_meters'
             ]
         }),

printing/migrations/0016_plateorder_image_name.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.2.7 on 2025-11-27 06:53
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('printing', '0015_plateorder_designer'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='plateorder',
+            name='image_name',
+            field=models.CharField(blank=True, max_length=100, null=True, verbose_name='图片名称'),
+        ),
+    ]

printing/models.py

@@ -16,6 +16,7 @@ class PlateOrder(ModelBase):
     plate_date = models.DateTimeField(null=True, blank=True, verbose_name='下版时间')
     plate_method = models.CharField(max_length=50, blank=True, null=True, verbose_name='开版方式')
     plate_image = models.FileField(upload_to='plate_images/', null=True, blank=True, verbose_name='开版图')
+    image_name = models.CharField(max_length=100, blank=True, null=True, verbose_name='图片名称')
     plate_notes = models.TextField(blank=True, null=True, verbose_name='打版注意事项')
     reprint_reason = models.TextField(blank=True, null=True, verbose_name='复版原因')
     
@@ -113,10 +114,17 @@ class PlateOrder(ModelBase):
         """保存时自动创建 BusinessObject"""
         # 先保存以获取 ID（如果是新建）
         is_new = self.pk is None
+        update_fields = kwargs.get('update_fields')
         super().save(*args, **kwargs)
         
+        should_auto_create = (
+            self.process
+            and not self.business_object
+            and (is_new or update_fields is None or 'process' in (update_fields or []))
+        )
+
         # 如果有 process 且没有 business_object，则自动创建
-        if self.process and not self.business_object:
+        if should_auto_create:
             try:
                 from stateflow.models import Process
                 process_obj = Process.objects.get(id=self.process)

printing/printing_api.yml

@@ -717,6 +717,10 @@ components:
           format: binary
           nullable: true
           description: 开版图片（仅 multipart/form-data 时可上传）。
+        image_name:
+          type: string
+          nullable: true
+          description: 开版图片的名称（可独立填写，便于标注原始文件名）。
         plate_notes:
           type: string
           description: 打版注意事项。