Rewrite to Quart web-framework, refactor code.

yellow/api.py

@@ -0,0 +1,25 @@
+from quart import render_template, request, redirect, url_for, jsonify, Blueprint, abort, flash, send_from_directory, current_app
+
+import settings
+from yellow.models import User
+
+bp_api = Blueprint('bp_api', __name__, url_prefix='/api')
+
+
+@bp_api.get("/")
+async def api_root():
+    return await render_template('api.html')
+
+
+@bp_api.get('/user/')
+async def api_all():
+    return jsonify([u.to_json(ignore_key='id') for u in User.select()])
+
+
+@bp_api.get('/user/<path:needle>')
+async def api_search(needle: str):
+    try:
+        return jsonify([u.to_json(ignore_key='id') for u in await User.search(needle)])
+    except Exception as ex:
+        current_app.logger.error(ex)
+        return jsonify([])