add response_type to AuthCode and OauthToken model

app/models.py

@@ -340,6 +340,9 @@ class AuthorizationCode(db.Model, ModelMixin):
     scope = db.Column(db.String(128))
     redirect_uri = db.Column(db.String(1024))
 
+    # what is the input response_type, e.g. "code", "code,id_token", ...
+    response_type = db.Column(db.String(128))
+
     user = db.relationship(User, lazy=False)
     client = db.relationship(Client, lazy=False)
 
@@ -352,6 +355,9 @@ class OauthToken(db.Model, ModelMixin):
     scope = db.Column(db.String(128))
     redirect_uri = db.Column(db.String(1024))
 
+    # what is the input response_type, e.g. "token", "token,id_token", ...
+    response_type = db.Column(db.String(128))
+
     user = db.relationship(User)
     client = db.relationship(Client)
 

migrations/versions/507afb2632cc_.py

@@ -0,0 +1,31 @@
+"""empty message
+
+Revision ID: 507afb2632cc
+Revises: 1b7d161d1012
+Create Date: 2019-08-11 11:58:33.954561
+
+"""
+import sqlalchemy_utils
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '507afb2632cc'
+down_revision = '1b7d161d1012'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('authorization_code', sa.Column('response_type', sa.String(length=128), nullable=True))
+    op.add_column('oauth_token', sa.Column('response_type', sa.String(length=128), nullable=True))
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column('oauth_token', 'response_type')
+    op.drop_column('authorization_code', 'response_type')
+    # ### end Alembic commands ###