From bcd466234d90be50a6d68d9327a63b101030d486 Mon Sep 17 00:00:00 2001
From: Pierre-Yves Chibon <pingou@pingoured.fr>
Date: Sep 30 2015 10:39:03 +0000
Subject: Add a column updated_on to the pull_requests table


This will record the last time the Pull-Request was updated (ie the
merge/close date)

---

diff --git a/alembic/versions/6190226bed0_add_the_updated_on_column_to_pull_.py b/alembic/versions/6190226bed0_add_the_updated_on_column_to_pull_.py
new file mode 100644
index 0000000..6a362b6
--- /dev/null
+++ b/alembic/versions/6190226bed0_add_the_updated_on_column_to_pull_.py
@@ -0,0 +1,43 @@
+"""Add the updated_on column to pull-requests
+
+Revision ID: 6190226bed0
+Revises: 257a7ce22682
+Create Date: 2015-09-29 15:32:58.229183
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = '6190226bed0'
+down_revision = '257a7ce22682'
+
+from alembic import op
+import sqlalchemy as sa
+
+
+def upgrade():
+    ''' Add the column updated_on to the table pull_requests.
+    '''
+    op.add_column(
+        'pull_requests',
+        sa.Column(
+            'updated_on',
+            sa.DateTime,
+            nullable=True,
+            default=sa.func.now(),
+            onupdate=sa.func.now()
+        )
+    )
+
+    op.execute('''UPDATE "pull_requests" SET updated_on=date_created;''')
+
+    op.alter_column(
+        'pull_requests',
+        column_name='updated_on',
+        nullable=False,
+        existing_nullable=True)
+
+
+def downgrade():
+    ''' Remove the column updated_on from the table pull_requests.
+    '''
+    op.drop_column('pull_requests', 'updated_on')
diff --git a/pagure/lib/model.py b/pagure/lib/model.py
index f357f8a..ce0a6e2 100644
--- a/pagure/lib/model.py
+++ b/pagure/lib/model.py
@@ -759,6 +759,11 @@ class PullRequest(BASE):
 
     date_created = sa.Column(sa.DateTime, nullable=False,
                              default=datetime.datetime.utcnow)
+    updated_on = sa.Column(
+        sa.DateTime,
+        nullable=False,
+        default=sa.func.now(),
+        onupdate=sa.func.now())
 
     __table_args__ = (
         sa.CheckConstraint(
@@ -849,6 +854,7 @@ class PullRequest(BASE):
                 public=public, api=api) if self.project_from else None,
             'remote_git': self.remote_git,
             'date_created': self.date_created.strftime('%s'),
+            'updated_on': self.updated_on.strftime('%s'),
             'user': self.user.to_json(public=public),
             'assignee': self.assignee.to_json(
                 public=public) if self.assignee else None,