API & Client: use of calculated bounds from API to display map

mpwo_api/migrations/versions/92adde6ac0d0_.py

@@ -0,0 +1,28 @@
+"""add 'bounds' column to 'Activity' table
+
+Revision ID: 92adde6ac0d0
+Revises: dd73d23a7a3d
+Create Date: 2018-05-14 14:25:04.889189
+
+"""
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects import postgresql
+
+# revision identifiers, used by Alembic.
+revision = '92adde6ac0d0'
+down_revision = 'dd73d23a7a3d'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('activities', sa.Column('bounds', postgresql.ARRAY(sa.Float()), nullable=True))
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column('activities', 'bounds')
+    # ### end Alembic commands ###