add web

app/models/follow_relationship.py

@@ -0,0 +1,20 @@
+from app.extensions import db
+from datetime import datetime
+
+class FollowRelationship(db.Model):
+    id = db.Column(db.BigInteger, primary_key=True, nullable=False, unique=True, autoincrement=True)
+    followerUserId = db.Column(db.BigInteger, nullable=False, index=True)
+    followeeUserId = db.Column(db.BigInteger, nullable=False, index=True)
+    created = db.Column(db.DateTime, nullable=False)
+
+    def __init__(self, followerUserId, followeeUserId):
+        self.followerUserId = followerUserId
+        self.followeeUserId = followeeUserId
+        self.created = datetime.utcnow()
+    
+    def __repr__(self):
+        return "<FollowRelationship followerUserId={followerUserId}, followeeUserId={followeeUserId}, created={created}>".format(
+            followerUserId=self.followerUserId,
+            followeeUserId=self.followeeUserId,
+            created=self.created
+        )