extract update profile handler handler

ki/handlers/__init__.py

@@ -0,0 +1 @@
+from ki.handlers.update_profile import update_profile  # noqa

ki/handlers/update_profile.py

@@ -0,0 +1,25 @@
+from flask import make_response, request
+
+from ki.models import User, Profile
+from app import db
+
+
+def update_profile(user_id):
+    user = User.query.filter(User.id == int(user_id)).first()
+
+    if user is None:
+        return make_response({}, 404)
+
+    profile = user.profile
+
+    if (profile is None):
+        profile = Profile(user=user, nickname=user.auth_id)
+        db.session.add(profile)
+
+    profile.pronouns = request.json.get("pronouns", "")
+    profile.volunteerwork = request.json.get("volunteerwork", "")
+    profile.freetext = request.json.get("freetext", "")
+
+    db.session.commit()
+
+    return make_response({"profile": profile.to_dict()})