Add Label type and migration

todosrht/alembic/versions/3a0a7407fb50_add_label.py

@@ -0,0 +1,33 @@
+"""Add label
+
+Revision ID: 3a0a7407fb50
+Revises: cb9732f3364c
+Create Date: 2018-10-08 16:48:16.900142
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = '3a0a7407fb50'
+down_revision = 'cb9732f3364c'
+
+from alembic import op
+import sqlalchemy as sa
+
+
+def upgrade():
+    op.create_table('label',
+        sa.Column('id', sa.Integer(), nullable=False),
+        sa.Column('created', sa.DateTime(), nullable=False),
+        sa.Column('updated', sa.DateTime(), nullable=False),
+        sa.Column('tracker_id', sa.Integer(), nullable=False),
+        sa.Column('name', sa.Text(), nullable=False),
+        sa.Column('color', sa.Text(), nullable=False),
+        sa.Column('text_color', sa.Text(), nullable=False),
+        sa.ForeignKeyConstraint(['tracker_id'], ['tracker.id']),
+        sa.PrimaryKeyConstraint('id'),
+        sa.UniqueConstraint('tracker_id', 'name', name='idx_tracker_name_unique')
+    )
+
+
+def downgrade():
+    op.drop_table('label')

todosrht/types/__init__.py

@@ -7,3 +7,4 @@ from .ticket import Ticket
 from .ticketsubscription import TicketSubscription
 from .ticketcomment import TicketComment
 from .event import Event, EventType, EventNotification
+from .label import Label

todosrht/types/label.py

@@ -0,0 +1,25 @@
+import sqlalchemy as sa
+from srht.database import Base
+
+class Label(Base):
+    __tablename__ = 'label'
+
+    id = sa.Column(sa.Integer, primary_key=True)
+    created = sa.Column(sa.DateTime, nullable=False)
+    updated = sa.Column(sa.DateTime, nullable=False)
+
+    tracker_id = sa.Column(sa.Integer,
+            sa.ForeignKey("tracker.id"), nullable=False)
+    tracker = sa.orm.relationship("Tracker", backref=sa.orm.backref("labels"))
+
+    name = sa.Column(sa.Text, nullable=False)
+    color = sa.Column(sa.Text, nullable=False)
+    text_color = sa.Column(sa.Text, nullable=False)
+
+    __table_args__ = (
+        sa.UniqueConstraint("tracker_id", "name",
+            name="idx_tracker_name_unique"),
+    )
+
+    def __repr__(self):
+        return '<Label {} {}>'.format(self.id, self.name)