feat(api): create token model

!34 #63

app/api/models/tokens.py

@@ -0,0 +1,71 @@
+import hashlib
+import random
+import string
+
+from django.conf import settings
+from django.contrib.auth.models import User
+from django.db import models
+
+from access.fields import *
+from access.models import TenancyObject
+
+
+
+class AuthToken(models.Model):
+
+
+    id = models.AutoField(
+        primary_key=True,
+        unique=True,
+        blank=False
+    )
+
+    note = models.CharField(
+        blank = True,
+        max_length = 50,
+        default = None,
+        null= True,
+    )
+
+    token = models.CharField(
+        verbose_name = 'Auth Token',
+        db_index=True,
+        max_length = 64,
+        null = False,
+        blank = False,
+        unique = True,
+    )
+
+
+    user = models.ForeignKey(
+        settings.AUTH_USER_MODEL,
+        on_delete=models.CASCADE
+    )
+
+    expires = models.DateTimeField(
+        verbose_name = 'Expiry Date',
+        null = False,
+        blank = False
+    )
+
+
+    created = AutoCreatedField()
+
+    modified = AutoLastModifiedField()
+
+
+    def generate(self) -> str:
+
+        salt = settings.SECRET_KEY
+
+        return str(hashlib.sha256(str(self.randomword() + salt).encode('utf-8')).hexdigest())
+
+
+    def randomword(self) -> str:
+    
+        return ''.join(random.choice(string.ascii_letters) for i in range(120))
+
+
+    def __str__(self):
+
+        return self.token