Rename balance to income.

accountant/views/accounts.py

@@ -43,16 +43,16 @@ balances_model = ns.model('Account balances', {
 })
 
 # Account balance model.
-balance_model = ns.model('Balance', {
+income_model = ns.model('Income', {
     'expenses': fields.Float(
         readonly=True,
         description='Total amount of expenses'),
     'revenues': fields.Float(
         readonly=True,
         description='Total amount of revenues'),
-    'balance': fields.Float(
+    'income': fields.Float(
         readonly=True,
-        description='Balance'),
+        description='Income'),
 })
 
 # Category with expenses and revenues.
@@ -273,14 +273,14 @@ class BalancesResource(Resource):
         ), 200
 
 
-@ns.route('/<int:account_id>/balance')
+@ns.route('/<int:account_id>/income')
 @ns.doc(
     security='apikey',
     params={
         'account_id': 'Id of the account to manage'
     },
     responses={
-        200: ('OK', balance_model),
+        200: ('OK', income_model),
         401: 'Unauthorized',
         404: 'Account not found'
     })
@@ -288,10 +288,10 @@ class BalanceResource(Resource):
     """Resource to expose balances."""
 
     @ns.expect(range_parser)
-    @ns.marshal_with(balance_model)
+    @ns.marshal_with(income_model)
     @jwt_required
     def get(self, account_id):
-        """Get account balance for a specific date range."""
+        """Get account income for a specific date range."""
 
         account = Account.query().get(account_id)