From 96a1eb21486c5fb6bc68236be8b02688149015c8 Mon Sep 17 00:00:00 2001
From: Deimos <deimos@tildes.net>
Date: Fri, 11 Oct 2019 21:45:32 -0600
Subject: [PATCH] Track whether topics were posted by a schedule

---
 ...c0033a2b61_topic_add_schedule_id_column.py | 38 +++++++++++++++++++
 tildes/tildes/models/topic/topic.py           |  3 ++
 tildes/tildes/models/topic/topic_schedule.py  |  5 ++-
 3 files changed, 45 insertions(+), 1 deletion(-)
 create mode 100644 tildes/alembic/versions/9fc0033a2b61_topic_add_schedule_id_column.py

diff --git a/tildes/alembic/versions/9fc0033a2b61_topic_add_schedule_id_column.py b/tildes/alembic/versions/9fc0033a2b61_topic_add_schedule_id_column.py
new file mode 100644
index 0000000..35c4636
--- /dev/null
+++ b/tildes/alembic/versions/9fc0033a2b61_topic_add_schedule_id_column.py
@@ -0,0 +1,38 @@
+"""Topic: add schedule_id column
+
+Revision ID: 9fc0033a2b61
+Revises: 8326f8cc5ddd
+Create Date: 2019-10-12 01:51:26.045258
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = "9fc0033a2b61"
+down_revision = "8326f8cc5ddd"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.add_column("topics", sa.Column("schedule_id", sa.Integer(), nullable=True))
+    op.create_index(
+        op.f("ix_topics_schedule_id"), "topics", ["schedule_id"], unique=False
+    )
+    op.create_foreign_key(
+        op.f("fk_topics_schedule_id_topic_schedule"),
+        "topics",
+        "topic_schedule",
+        ["schedule_id"],
+        ["schedule_id"],
+    )
+
+
+def downgrade():
+    op.drop_constraint(
+        op.f("fk_topics_schedule_id_topic_schedule"), "topics", type_="foreignkey"
+    )
+    op.drop_index(op.f("ix_topics_schedule_id"), table_name="topics")
+    op.drop_column("topics", "schedule_id")
diff --git a/tildes/tildes/models/topic/topic.py b/tildes/tildes/models/topic/topic.py
index 124135d..45d5864 100644
--- a/tildes/tildes/models/topic/topic.py
+++ b/tildes/tildes/models/topic/topic.py
@@ -78,6 +78,9 @@ class Topic(DatabaseModel):
     user_id: int = Column(
         Integer, ForeignKey("users.user_id"), nullable=False, index=True
     )
+    schedule_id: int = Column(
+        Integer, ForeignKey("topic_schedule.schedule_id"), index=True
+    )
     created_time: datetime = Column(
         TIMESTAMP(timezone=True),
         nullable=False,
diff --git a/tildes/tildes/models/topic/topic_schedule.py b/tildes/tildes/models/topic/topic_schedule.py
index 979f3b1..174e5da 100644
--- a/tildes/tildes/models/topic/topic_schedule.py
+++ b/tildes/tildes/models/topic/topic_schedule.py
@@ -8,7 +8,7 @@ from typing import List, Optional
 
 from dateutil.rrule import rrule
 from sqlalchemy import CheckConstraint, Column, ForeignKey, Integer, Text, TIMESTAMP
-from sqlalchemy.orm import relationship
+from sqlalchemy.orm import backref, relationship
 from sqlalchemy.orm.session import Session
 from sqlalchemy.sql.expression import text
 
@@ -48,6 +48,8 @@ class TopicSchedule(DatabaseModel):
     group: Group = relationship("Group", innerjoin=True)
     user: Optional[User] = relationship("User")
 
+    topics: List[Topic] = relationship(Topic, backref=backref("schedule"))
+
     def __init__(
         self,
         group: Group,
@@ -82,6 +84,7 @@ class TopicSchedule(DatabaseModel):
 
         topic = Topic.create_text_topic(self.group, user, self.title, self.markdown)
         topic.tags = self.tags
+        topic.schedule = self
 
         return topic