Added locations app

Moved contacts to new model

busManager/locations/models.py

@@ -0,0 +1,35 @@
+from django.db import models
+
+class Suburb(models.Model):
+    STATE = [
+        ("VIC", "Victoria"),
+        ("NSW", "New South Wales"),
+        ("SA", "South Australia"),
+        ("ACT", "Australia Capital Territory"),
+        ("QLD", "Queensland"),
+        ("NT", "Northern Territory"),
+        ("WA", "Western Australia"),
+        ("TAS", "Tasmania"),
+    ]
+    name = models.CharField(max_length=30, unique=True)
+    state = models.CharField(max_length=3, choices=STATE)
+    postcode = models.PositiveSmallIntegerField()
+    distance = models.PositiveSmallIntegerField(blank=True, null=True)
+
+    class Meta:
+        ordering = ["name"]
+
+    def __str__(self):
+        return f"{self.name}, {self.state} {self.postcode}"
+
+class Location(models.Model):
+    address = models.CharField(max_length=255, blank=True)
+    suburb = models.ForeignKey(Suburb, on_delete=models.PROTECT)
+
+    latitude = models.FloatField(null=True, blank=True)
+    longitude = models.FloatField(null=True, blank=True)
+
+    class Meta: unique_together = ("suburb", "address")
+
+    def __str__(self):
+        return f"{self.address}, {self.suburb}"