feat: material添加大类字段及相应过滤条件

apps/mtm/filters.py

@@ -10,6 +10,7 @@ class MaterialFilter(filters.FilterSet):
         model = Material
         fields = {
             "id": ["exact", "in"],
+            "cate": ["exact", "in"],
             "type": ["exact", "in"],
             "is_hidden": ["exact"],
             "is_assemb": ["exact"],

apps/mtm/models.py

@@ -43,6 +43,7 @@ class Material(CommonAModel):
     )
 
     name = models.CharField('名称', max_length=50)
+    cate = models.CharField('大类', max_length=20, default='')
     number = models.CharField('编号', max_length=100, null=True, blank=True)
     specification = models.CharField(
         '型号', max_length=100, null=True, blank=True)