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wubloader/professor-api/professor_api/professor_api.py

92 lines
3.3 KiB
Python

import re
import flask
from common import database
from flask import jsonify, request
from psycopg2.extras import execute_values
app = flask.Flask('buscribe')
@app.route('/professor/line/<int:line_id>', methods=["GET"])
def get_line(line_id):
db_conn = app.db_manager.get_conn()
line = database.query(db_conn, "SELECT * FROM buscribe_transcriptions WHERE id = %(id)s;", id=line_id).fetchone()
if line is None:
return "Line not found.", 404
else:
return {"start_time": line.start_time.isoformat(),
"end_time": line.end_time.isoformat(),
"line_data": line.transcription_json}
@app.route('/professor/line/<int:line_id>', methods=["POST"])
def update_line(line_id):
db_conn = app.db_manager.get_conn()
if "speakers" in request.json and isinstance(request.json["speakers"], list):
# Simpler than dealing with uniqueness
database.query(db_conn,
"DELETE FROM buscribe_line_speakers WHERE line = %(line_id)s AND verifier = %(verifier)s;",
line_id=line_id, verifier=1)
execute_values(db_conn.cursor(),
"INSERT INTO buscribe_line_speakers(line, speaker, verifier) "
"VALUES %s;",
[(line_id, speaker, 1) for speaker in
request.json["speakers"]])
if "transcription" in request.json and isinstance(request.json["transcription"], str):
verified_line = request.json["transcription"].lower()
verified_line = re.sub(r"[^[a-z]\s']]", "", verified_line)
database.query(db_conn,
"DELETE FROM buscribe_verified_lines WHERE line = %(line_id)s AND verifier = %(verifier)s;",
line_id=line_id, verifier=1)
database.query(db_conn,
"INSERT INTO buscribe_verified_lines(line, verified_line, verifier) "
"VALUES (%(line)s, %(verified_line)s, %(verifier)s)",
line=line_id, verified_line=verified_line, verifier=1)
return "", 204
@app.route('/professor/speaker', methods=["GET"])
def get_speakers():
db_conn = app.db_manager.get_conn()
speakers = database.query(db_conn, "SELECT name FROM buscribe_speakers;")
return jsonify([{"id": speaker.id, "name": speaker.name} for speaker in speakers])
@app.route('/professor/speaker/<int:speaker_id>', methods=["GET"])
def get_speaker(speaker_id):
db_conn = app.db_manager.get_conn()
speaker = database.query(db_conn, "SELECT name FROM buscribe_speakers WHERE id = %(id)s;", id=speaker_id).fetchone()
if speaker is None:
return "Speaker not found.", 404
else:
return jsonify(speaker.name)
@app.route('/professor/speaker', methods=["PUT"])
def new_speaker():
name = request.json
if not isinstance(name, str):
return "Invalid name!", 400
name = name.lower()
name = re.sub(r"[^\w\s']", "", name)
db_conn = app.db_manager.get_conn()
speakers = database.query(db_conn, "INSERT INTO buscribe_speakers(name) "
"VALUES (%(name)s) "
"ON CONFLICT (name) DO UPDATE SET name=EXCLUDED.name "
"RETURNING id;", name=name)
return "", 200, {"Content-Location": f"/professor/speaker/{speakers.fetchone().id}"}