Added a check on the api key for duplicate keys

eveonline/forms.py

@@ -1,11 +1,16 @@
 from django import forms
 from services.managers.eve_api_manager import EveApiManager
+from eveonline.managers import EveManager
+
 
 class UpdateKeyForm(forms.Form):
     api_id = forms.CharField(max_length=254, required=True, label="Key ID")
     api_key = forms.CharField(max_length=254, required=True, label="Verification Code")
 
     def clean(self):
+        if EveManager.check_if_api_key_pair_exist(self.cleaned_data['api_id']):
+            raise forms.ValidationError(u'API key already exist')
+
         if not EveApiManager.check_api_is_type_account(self.cleaned_data['api_id'],
                                                        self.cleaned_data['api_key']):
                 raise forms.ValidationError(u'API not of type account')

eveonline/managers.py

@@ -67,6 +67,13 @@ class EveManager:
         if EveApiKeyPair.objects.filter(user=user).exists():
             return EveApiKeyPair.objects.filter(user=user)
 
+    @staticmethod
+    def check_if_api_key_pair_exist(api_id):
+        if EveApiKeyPair.objects.filter(api_id=api_id).exists():
+            return True
+        else:
+            return False
+
     @staticmethod
     def delete_api_key_pair(api_id, user_id):
         if EveApiKeyPair.objects.filter(api_id=api_id).exists():