feature-9049: Make tracks and session types sortable similar to micro…

app/api/schema/session_types.py

@@ -42,6 +42,7 @@ def validate_length(self, data):
     id = fields.Str(dump_only=True)
     name = fields.Str(required=True)
     length = fields.Str(required=True)
+    position = fields.Integer(allow_none=True, default=0)
     event = Relationship(
         self_view='v1.session_type_event',
         self_view_kwargs={'id': '<id>'},

app/api/schema/tracks.py

@@ -42,6 +42,7 @@ def valid_color(self, data):
     description = fields.Str(allow_none=True)
     color = fields.Str(required=True)
     font_color = fields.Str(allow_none=True, dump_only=True)
+    position = fields.Integer(allow_none=True, default=0)
     event = Relationship(
         self_view='v1.track_event',
         self_view_kwargs={'id': '<id>'},

app/models/session_type.py

@@ -7,6 +7,7 @@ class SessionType(SoftDeletionModel):
     id = db.Column(db.Integer, primary_key=True)
     name = db.Column(db.String, nullable=False)
     length = db.Column(db.String, nullable=False)
+    position = db.Column(db.Integer, default=0, nullable=False)
     event_id = db.Column(db.Integer, db.ForeignKey('events.id', ondelete='CASCADE'))
     event = db.relationship("Event", backref="session_type", foreign_keys=[event_id])
     sessions = db.relationship('Session', backref="session_type")

app/models/track.py

@@ -12,6 +12,7 @@ class Track(SoftDeletionModel):
     color = db.Column(db.String, nullable=False)
     sessions = db.relationship('Session', backref='track')
     event_id = db.Column(db.Integer, db.ForeignKey('events.id', ondelete='CASCADE'))
+    position = db.Column(db.Integer, default=0, nullable=False)
 
     @staticmethod
     def get_service_name():

migrations/versions/rev-2023-08-08-15:14:57-7e91153d66b0_.py

@@ -0,0 +1,33 @@
+"""empty message
+
+Revision ID: 7e91153d66b0
+Revises: 3e8e18c0bebe
+Create Date: 2023-08-08 15:14:57.455117
+
+"""
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '7e91153d66b0'
+down_revision = '3e8e18c0bebe'
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('session_types', sa.Column('position', sa.Integer(), nullable=True))
+    op.add_column('tracks', sa.Column('position', sa.Integer(), nullable=True))
+    # ### end Alembic commands ###
+    op.execute("UPDATE session_types SET position = 0")
+    op.alter_column('session_types', 'position', nullable=False)
+    op.execute("UPDATE tracks SET position = 0")
+    op.alter_column('tracks', 'position', nullable=False)
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column('tracks', 'position')
+    op.drop_column('session_types', 'position')
+    # ### end Alembic commands ###