Update model

- adds email_from field to the service model
- adds subject_line to the template model

These are unique and not null fields, so there is a migration here for email_from to populate it.

app/models.py

@@ -66,7 +66,7 @@ class Service(db.Model):
 
     id = db.Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
     old_id = db.Column(db.Integer, Sequence('services_id_seq'), nullable=False)
-    name = db.Column(db.String(255), nullable=False)
+    name = db.Column(db.String(255), nullable=False, unique=True)
     created_at = db.Column(
         db.DateTime,
         index=False,
@@ -86,6 +86,7 @@ class Service(db.Model):
         secondary=user_to_service,
         backref=db.backref('user_to_service', lazy='dynamic'))
     restricted = db.Column(db.Boolean, index=False, unique=False, nullable=False)
+    email_from = db.Column(db.Text, index=False, unique=True, nullable=False)
 
 
 class ApiKey(db.Model):
@@ -127,6 +128,7 @@ class Template(db.Model):
     content = db.Column(db.Text, index=False, unique=False, nullable=False)
     service_id = db.Column(UUID(as_uuid=True), db.ForeignKey('services.id'), index=True, unique=False, nullable=False)
     service = db.relationship('Service', backref=db.backref('templates', lazy='dynamic'))
+    subject = db.Column(db.Text, index=False, unique=True, nullable=True)
 
 
 JOB_STATUS_TYPES = ['pending', 'in progress', 'finished']

migrations/versions/0015_add_subject_line.py

@@ -0,0 +1,26 @@
+"""empty message
+
+Revision ID: 0015_add_subject_line
+Revises: 0014_job_id_nullable
+Create Date: 2016-02-18 09:43:29.282804
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = '0015_add_subject_line'
+down_revision = '0014_job_id_nullable'
+
+from alembic import op
+import sqlalchemy as sa
+
+
+def upgrade():
+    pass
+    op.add_column('templates', sa.Column('subject', sa.Text(), nullable=True))
+    op.create_unique_constraint(None, 'templates', ['subject'])
+
+
+def downgrade():
+    pass
+    op.drop_constraint(None, 'templates', type_='unique')
+    op.drop_column('templates', 'subject')

migrations/versions/0016_add_email_from.py

@@ -0,0 +1,23 @@
+"""empty message
+
+Revision ID: 0016_add_email_from
+Revises: 0015_add_subject_line
+Create Date: 2016-02-18 11:25:37.915137
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = '0016_add_email_from'
+down_revision = '0015_add_subject_line'
+
+from alembic import op
+import sqlalchemy as sa
+
+
+def upgrade():
+    op.add_column('services', sa.Column('email_from', sa.Text(), nullable=True))
+    op.execute("UPDATE services SET email_from=name")
+
+
+def downgrade():
+    op.drop_column('services', 'email_from')

migrations/versions/0017_emailfrom_notnull.py

@@ -0,0 +1,26 @@
+"""empty message
+
+Revision ID: 0017_emailfrom_notnull
+Revises: 0016_add_email_from
+Create Date: 2016-02-18 11:41:25.753694
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = '0017_emailfrom_notnull'
+down_revision = '0016_add_email_from'
+
+from alembic import op
+import sqlalchemy as sa
+
+
+def upgrade():
+    op.alter_column('services', 'email_from',
+                    existing_type=sa.TEXT(),
+                    nullable=False)
+
+
+def downgrade():
+    op.alter_column('services', 'email_from',
+                    existing_type=sa.TEXT(),
+                    nullable=True)

migrations/versions/0018_unique_emailfrom.py

@@ -0,0 +1,22 @@
+"""empty message
+
+Revision ID: 0018_unique_emailfrom
+Revises: 0017_emailfrom_notnull
+Create Date: 2016-02-18 11:42:18.246280
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = '0018_unique_emailfrom'
+down_revision = '0017_emailfrom_notnull'
+
+from alembic import op
+import sqlalchemy as sa
+
+
+def upgrade():
+    op.create_unique_constraint(None, 'services', ['email_from'])
+
+
+def downgrade():
+    op.drop_constraint(None, 'services', type_='unique')

migrations/versions/0019_unique_servicename.py

@@ -0,0 +1,22 @@
+"""empty message
+
+Revision ID: 0019_unique_servicename
+Revises: 0018_unique_emailfrom
+Create Date: 2016-02-18 11:45:29.102891
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = '0019_unique_servicename'
+down_revision = '0018_unique_emailfrom'
+
+from alembic import op
+import sqlalchemy as sa
+
+
+def upgrade():
+    op.create_unique_constraint(None, 'services', ['name'])
+
+
+def downgrade():
+    op.drop_constraint(None, 'services', type_='unique')