[Chore] Norm the backend code using pylint

app/back-end/.pylintrc

@@ -8,7 +8,9 @@ disable=missing-docstring,
         invalid-name,
         too-few-public-methods,
         abstract-method,
-        arguments-renamed
+        arguments-renamed,
+        too-many-locals
+        too-many-branches
 
 [FORMAT]
 max-line-length=120

app/back-end/authentication/serializer.py

@@ -136,3 +136,5 @@ def validate(self, data):
                 raise serializers.ValidationError("Failed to fetch user data from 42")
             except IntegrityError as e:
                 raise serializers.ValidationError("Email already exists") from e
+        else :
+            return None

app/back-end/authentication/views.py

@@ -141,14 +141,30 @@ def get(self, request, platform):
         if platform == 'github':
             CLIENT_ID = settings.GITHUB_CLIENT_ID
             REDIRECT_URI = settings.GITHUB_REDIRECT_URI
-            return redirect(f'https://github.com/login/oauth/authorize?client_id={CLIENT_ID}&redirect_uri={REDIRECT_URI}&scope=user:email')
+            url = (
+                f'https://github.com/login/oauth/authorize?client_id={CLIENT_ID}'
+                f'&redirect_uri={REDIRECT_URI}&scope=user:email'
+            )
+            return redirect(url)
         elif platform == 'google':
             CLIENT_ID = settings.GOOGLE_CLIENT_ID
             REDIRECT_URI = settings.GOOGLE_REDIRECT_URI
-            SCOPE = "https://www.googleapis.com/auth/userinfo.profile https://www.googleapis.com/auth/userinfo.email"
-            return redirect(f'https://accounts.google.com/o/oauth2/v2/auth?client_id={CLIENT_ID}&redirect_uri={REDIRECT_URI}&scope={urllib.parse.quote(SCOPE)}&response_type=code')
+            SCOPE = (
+                "https://www.googleapis.com/auth/userinfo.profile"
+                " https://www.googleapis.com/auth/userinfo.email"
+            )
+            url = (
+                f'https://accounts.google.com/o/oauth2/v2/auth?client_id={CLIENT_ID}'
+                f'&redirect_uri={REDIRECT_URI}&scope={urllib.parse.quote(SCOPE)}&response_type=code'
+            )
+            return redirect(url)
         elif platform == '42':
             CLIENT_ID = settings.FORTYTWO_CLIENT_ID
             REDIRECT_URI = settings.FORTYTWO_REDIRECT_URI
             SCOPE = "public"
-            return redirect(f'https://api.intra.42.fr/oauth/authorize?client_id={CLIENT_ID}&redirect_uri={REDIRECT_URI}&scope={SCOPE}&response_type=code')
+            url = (
+                f'https://api.intra.42.fr/oauth/authorize?client_id={CLIENT_ID}'
+                f'&redirect_uri={REDIRECT_URI}&scope={SCOPE}&response_type=code'
+            )
+            return redirect(url)
+        return None

app/back-end/dashboards/serializer.py

@@ -62,4 +62,4 @@ def get_monthly_stats(self, obj):
 
     def to_representation(self, instance):
         data = super().to_representation(instance)
-        return data
+        return data

app/back-end/models.py

@@ -1,6 +1,5 @@
 from django.db import models
 
-
 class Achievements(models.Model):
     achievement_id = models.AutoField(primary_key=True)
     achiev_name = models.CharField(max_length=45)
@@ -9,7 +8,6 @@ class Meta:
         managed = False
         db_table = 'Achievements'
 
-
 class Friendship(models.Model):
     freindship_id = models.AutoField(primary_key=True)
     user_from = models.ForeignKey('Users', models.DO_NOTHING,
@@ -22,25 +20,6 @@ class Meta:
         managed = False
         db_table = 'Friendship'
 
-
-class Matches(models.Model):
-    match_id = models.AutoField(primary_key=True)
-    user_one = models.ForeignKey('Users', models.DO_NOTHING, db_column='user_one')
-    user_two = models.ForeignKey('Users', models.DO_NOTHING,
-                                 db_column='user_two',
-                                 related_name='matches_user_two_set')
-    score_user_one = models.IntegerField()
-    score_user_two = models.IntegerField()
-    match_start = models.DateField()
-    match_end = models.DateField()
-    tackle_user_one = models.IntegerField()
-    tackle_user_two = models.IntegerField()
-
-    class Meta:
-        managed = False
-        db_table = 'Matches'
-
-
 class Messages(models.Model):
     user_one = models.OneToOneField('Users', models.DO_NOTHING,
                                     db_column='user_one', primary_key=True)
@@ -50,7 +29,6 @@ class Messages(models.Model):
     message_content = models.CharField(max_length=512)
     message_date = models.DateField()
     message_direction = models.CharField(max_length=20)
-
     class Meta:
         managed = False
         db_table = 'Messages'
@@ -65,7 +43,6 @@ class Meta:
         db_table = 'UserAchievements'
         unique_together = (('user', 'achivement'),)
 
-
 class Users(models.Model):
     user_id = models.AutoField(primary_key=True)
     first_name = models.CharField(max_length=20)
@@ -82,7 +59,6 @@ class Users(models.Model):
     country = models.CharField(max_length=60)
     city = models.CharField(max_length=60)
     password = models.CharField(max_length=200)
-
     class Meta:
         managed = False
         db_table = 'Users'