feat: wpr获取material_start

apps/wpmw/models.py

@@ -4,8 +4,10 @@ from apps.qm.models import FtestDefect, FtestItem
 from apps.utils.models import BaseModel
 from apps.mtm.models import Material
 from rest_framework.exceptions import ParseError
-from apps.wpm.models import WmStateOption
+from apps.wpm.models import WmStateOption, Mlogbw, Handoverbw
 from apps.utils.tools import update_dict
+from apps.inm.models import MIOItemw
+from django.db.models import F, Value
 
 # Create your models here.
 class Wpr(BaseModel):
@@ -137,6 +139,28 @@ class Wpr(BaseModel):
     def wprdefect(self):
         return WprDefect.objects.filter(wpr=self)
     
+    def timeline(self):
+        # 获取完整时间线
+        mioitemw_qs = MIOItemw.objects.filter(wpr=self, mioitem__mio__submit_time__isnull=False).values(
+            "id", timex=F("mioitem__mio__submit_time"), model=Value('mioitemw', output_field=models.CharField()))
+        mlogbw_qs = Mlogbw.objects.filter(wpr=self, mlogb__mlog__submit_time__isnull=False, mlogb__material_out__isnull=False).values(
+            "id", timex=F("mlogb__mlog__submit_time"), model=Value('mlogbw', output_field=models.CharField()))
+        h_qs = Handoverbw.objects.filter(wpr=self, handoverb__handover__submit_time__isnull=False).values(
+            "id", timex=F("handoverb__handover__submit_time"), model=Value('handoverbw', output_field=models.CharField()))
+        combined_qs = mioitemw_qs.union(mlogbw_qs, h_qs).order_by('timex')
+        return list(combined_qs)
+    
+    def get_material_start(self):
+        timeline = self.timeline()
+        if timeline:
+            x = timeline[0]
+            if x['model'] == 'mioitemw':
+                return MIOItemw.objects.get(id=x['id']).mioitem.material
+            elif x['model'] == 'mlogbw':
+                return Mlogbw.objects.get(id=x['id']).mlogb.material_out
+        return None
+            
+
 class WprDefect(BaseModel):
     """TN:产物缺陷项关联表"""
     wpr = models.ForeignKey(Wpr, verbose_name="关联产物", on_delete=models.CASCADE)