Added instructor model, admin and basic actions

cntmanage/flightslot/models/students.py

@@ -1,6 +1,8 @@
 from django.db import models
 from django.contrib.auth.models import User, Group
 
+from phonenumber_field import modelfields
+
 from ..models.courses import Course
 from ..models.aircrafts import Aircraft
 
@@ -11,12 +13,13 @@ class Student(models.Model):
 
     email = models.EmailField(
         null=False,
-        db_index=True
+        db_index=True,
+        unique=True
     )
 
-    phone = models.CharField(
+    phone = modelfields.PhoneNumberField(
         null=True,
-        max_length=16
+        unique=True
     )
 
     name = models.CharField(
@@ -52,7 +55,10 @@ class Student(models.Model):
     )
 
     def default_password(self) -> str:  # Maximum 4 digits for passowrd
-        return f"{self.name.lower()[0]}{self.surname.lower()}{self.id % 10000}"
+        if self.pk:
+            return f"{self.name.lower()[0]}{self.surname.lower()}{self.id % 10000}"
+        else:
+            return ""
     
     def default_username(self) -> str:
         if self.pk and self.user:
@@ -74,8 +80,8 @@ class Student(models.Model):
                 counter += 1
             # Create user
             user: User = User.objects.create_user(
-                first_name=self.name,
-                last_name=self.surname,
+                first_name=self.name.capitalize(),
+                last_name=self.surname.capitalize(),
                 username=username,
                 email=self.email,
                 password=self.default_password(),