add web

app/models/friend_request.py

@@ -0,0 +1,17 @@
+from app.extensions import db
+from datetime import datetime
+
+class FriendRequest(db.Model):
+    id = db.Column(db.BigInteger, primary_key=True, autoincrement=True, nullable=False)
+    requester_id = db.Column(db.BigInteger, db.ForeignKey("user.id") ,nullable=False, index=True) # The person who sent the friend request
+    requestee_id = db.Column(db.BigInteger, nullable=False, index=True) # The person who received the friend request
+    created_at = db.Column(db.DateTime, nullable=False)
+
+    requester = db.relationship("User", foreign_keys=[requester_id], backref="friend_requests_sent", uselist=False)
+
+    def __init__(self, requester_id, requestee_id):
+        self.requester_id = requester_id
+        self.requestee_id = requestee_id
+        self.created_at = datetime.utcnow()
+    def __repr__(self):
+        return '<FriendRequest %r>' % self.id