новый структура моделей

dbapp/mainapp/models.py

@@ -132,7 +132,7 @@ class ObjItem(models.Model):
 
 class SourceType(models.Model):
     name = models.CharField(max_length=50, unique=True, verbose_name="Тип источника")
-    objitem = models.OneToOneField(ObjItem, on_delete=models.SET_NULL, verbose_name="Гео", related_name="objitems", null=True)
+    objitem = models.OneToOneField(ObjItem, on_delete=models.SET_NULL, verbose_name="Гео", related_name="source_type_obj", null=True)
 
     def __str__(self):
         return self.name
@@ -158,7 +158,7 @@ class Parameter(models.Model):
         Standard, default=get_default_standard, on_delete=models.SET_DEFAULT, related_name="standards", null=True, blank=True, verbose_name="Стандарт"
     )
     id_user_add = models.ForeignKey(CustomUser, on_delete=models.SET_NULL, related_name="parameter_added", verbose_name="Пользователь", null=True, blank=True)
-    objitem = models.ForeignKey(ObjItem, on_delete=models.SET_NULL, related_name="objitems", verbose_name="Источник",null=True, blank=True)
+    objitems = models.ManyToManyField(ObjItem, related_name="parameters_obj", verbose_name="Источники", blank=True)
     # id_sigma_parameter = models.ManyToManyField(SigmaParameter, on_delete=models.SET_NULL, related_name="sigma_parameter", verbose_name="ВЧ с sigma", null=True, blank=True)
     # id_sigma_parameter = models.ManyToManyField(SigmaParameter, verbose_name="ВЧ с sigma", null=True, blank=True)
 
@@ -272,7 +272,7 @@ class Geo(models.Model):
         db_persist=True,
         null=True, blank=True, verbose_name="Расстояние между купсатом и оперативным отделом, км"
     )
-    objitem = models.OneToOneField(ObjItem, on_delete=models.SET_NULL, verbose_name="Гео", related_name="objitems", null=True)
+    objitem = models.OneToOneField(ObjItem, on_delete=models.SET_NULL, verbose_name="Гео", related_name="geo_obj", null=True)
 
     def __str__(self):
         longitude = self.coords.coords[0]