first commit

locations/models.py

@@ -0,0 +1,41 @@
+from django.db import models
+from common.models import NameSlugModel
+
+# Create your models here.
+class City(NameSlugModel):
+    class Meta:
+        verbose_name = "شهر"
+        verbose_name_plural = "شهرها"
+
+    def __str__(self):
+        return self.name
+
+class County(NameSlugModel):
+    city = models.ForeignKey(City, on_delete=models.CASCADE, verbose_name="شهرستان")
+
+    class Meta:
+        verbose_name = "شهرستان"
+        verbose_name_plural = "شهرستان‌ها"
+
+    def __str__(self):
+        return self.name
+    
+class Affairs(NameSlugModel):
+    county = models.ForeignKey(County, on_delete=models.CASCADE, verbose_name="شهرستان")
+
+    class Meta:
+        verbose_name = "امور"
+        verbose_name_plural = "امورها"
+
+    def __str__(self):
+        return self.name
+
+class Broker(NameSlugModel):
+    affairs = models.ForeignKey(Affairs, on_delete=models.CASCADE, verbose_name="امور")
+
+    class Meta:
+        verbose_name = "کارگزار"
+        verbose_name_plural = "کارگزارها"
+
+    def __str__(self):
+        return self.name