feat: material增加字段

apps/mtm/migrations/0011_auto_20230922_1601.py

@@ -0,0 +1,24 @@
+# Generated by Django 3.2.12 on 2023-09-22 08:01
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('mtm', '0010_auto_20230921_1626'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='material',
+            name='parent',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to='mtm.material', verbose_name='父物料'),
+        ),
+        migrations.AddField(
+            model_name='material',
+            name='process',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='mtm.process', verbose_name='所在工序'),
+        ),
+    ]

apps/mtm/models.py

@@ -1,6 +1,17 @@
 from django.db import models
 from apps.system.models import CommonAModel, Dictionary, CommonBModel, CommonADModel, File, BaseModel
 
+class Process(CommonBModel):
+    """
+    工序 belong_dept为所在车间
+    """
+    name = models.CharField('工序名称', max_length=100)
+    cate = models.CharField('大类', max_length=10, default='')
+    sort = models.PositiveSmallIntegerField('排序', default=1)
+    instruction = models.ForeignKey(File, verbose_name='指导书', on_delete=models.SET_NULL, null=True, blank=True)
+    instruction_content = models.TextField('指导书内容', null=True, blank=True)
+
+
 # Create your models here.
 class Material(CommonAModel):
     MA_TYPE_BASE = 0
@@ -32,6 +43,8 @@ class Material(CommonAModel):
     unit = models.CharField('基准计量单位', default='个', max_length=10)
     count = models.PositiveIntegerField('物料库存总数', default=0)
     count_safe = models.PositiveIntegerField('安全库存总数', null=True, blank=True)
+    process = models.ForeignKey(Process, verbose_name='所在工序', on_delete=models.CASCADE, null=True, blank=True)
+    parent = models.ForeignKey('self', null=True, blank=True, on_delete=models.SET_NULL, verbose_name='父物料')
 
     class Meta:
         verbose_name = '物料表'
@@ -97,18 +110,6 @@ class Goal(CommonADModel):
         unique_together = ("mgroup", "year", "goal_cate")
 
 
-
-class Process(CommonBModel):
-    """
-    工序 belong_dept为所在车间
-    """
-    name = models.CharField('工序名称', max_length=100)
-    cate = models.CharField('大类', max_length=10, default='')
-    sort = models.PositiveSmallIntegerField('排序', default=1)
-    instruction = models.ForeignKey(File, verbose_name='指导书', on_delete=models.SET_NULL, null=True, blank=True)
-    instruction_content = models.TextField('指导书内容', null=True, blank=True)
-    
-
 class Route(CommonAModel):
     """
     工艺路线