Speaker split page

Resolves: #13

main.py

@@ -78,6 +78,46 @@ def person(person_id: int) -> str | Response:
     )
 
 
+@app.route("/person/<int:person_id>/split", methods=["GET", "POST"])
+def split_person(person_id: int) -> str | Response:
+    """Split person."""
+    item = model.Person.query.get(person_id)
+    assert not item.wikidata_qid
+    if flask.request.method == "GET":
+        return flask.render_template(
+            "person/split.html",
+            item=item,
+        )
+
+    names = flask.request.form["names"].strip().splitlines()
+    print(names)
+    assert len(names) > 1
+
+    item.name = names[0]
+    for cp in item.conferences_association:
+        cp.named_as = names[0]
+
+    for num, name in enumerate(names[1:], start=2):
+        person = model.Person(name=name)
+        database.session.add(person)
+
+        for cp0 in item.conferences_association:
+            cp = model.ConferencePerson(
+                person=person, named_as=name, conference_id=cp0.conference_id
+            )
+            database.session.add(cp)
+
+        for event0 in item.events_association:
+            ep = model.EventPerson(
+                person=person, event_id=event0.event_id, position=num
+            )
+            database.session.add(ep)
+
+    database.session.commit()
+
+    return flask.redirect(flask.url_for("person", person_id=person_id))
+
+
 @app.route("/event/<int:event_id>")
 def event_page(event_id: int) -> str:
     item = model.Event.query.get(event_id)