Migration for last_login column

alembic/versions/49e12ae7c9ca_add_last_login_to_user.py

@@ -0,0 +1,28 @@
+"""add last login to user
+
+Revision ID: 49e12ae7c9ca
+Revises: fc08d99bb7f7
+Create Date: 2019-03-28 15:46:58.226281
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '49e12ae7c9ca'
+down_revision = 'fc08d99bb7f7'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('users', sa.Column('last_login', sa.TIMESTAMP(timezone=True), nullable=True))
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column('users', 'last_login')
+    # ### end Alembic commands ###

atst/models/user.py

@@ -1,4 +1,4 @@
-from sqlalchemy import String, ForeignKey, Column, Date, Boolean, Table
+from sqlalchemy import String, ForeignKey, Column, Date, Boolean, Table, TIMESTAMP
 from sqlalchemy.orm import relationship
 from sqlalchemy.dialects.postgresql import UUID
 
@@ -36,6 +36,9 @@ class User(
     citizenship = Column(String)
     designation = Column(String)
     date_latest_training = Column(Date)
+    last_login = Column(
+        TIMESTAMP(timezone=True), nullable=True
+    )
 
     provisional = Column(Boolean)