Rewrite to Quart web-framework, refactor code.

yellow/models.py

@@ -0,0 +1,37 @@
+import os, re, random
+from typing import Optional, List
+from datetime import datetime
+
+from peewee import SqliteDatabase, SQL, ForeignKeyField
+import peewee as pw
+
+import settings
+
+db = SqliteDatabase(settings.DB_PATH)
+
+
+class User(pw.Model):
+    id = pw.UUIDField(primary_key=True)
+    created = pw.DateTimeField(default=datetime.now)
+    username = pw.CharField(unique=True, null=False)
+    address = pw.CharField(null=True)
+
+    @staticmethod
+    async def search(needle) -> List['User']:
+        needle = needle.replace("*", "")
+        if len(needle) <= 2:
+            raise Exception("need longer search term")
+        return User.select().where(User.username % f"*{needle}*")
+
+    def to_json(self, ignore_key=None):
+        data = {
+            "id": self.id,
+            "username": self.username,
+            "address": self.address
+        }
+        if isinstance(ignore_key, str):
+            data.pop(ignore_key)
+        return data
+
+    class Meta:
+        database = db