Flask Framework GET users/{user_id}, GET users/list (*Pagination) Basic Example

user_api_service.py

from flask import Blueprint, make_response, jsonify, request
from models.user import User

user_service = Blueprint("users", __name__, url_prefix="/users")


@user_service.route("/<int:id>", methods=["GET"])
def get_user(id: int):

    try:
        user = User.get(id)
        res_obj = {
            "data": {
                "username": user.username,
                "bio": user.bio
            }
        }
        return make_response(jsonify(res_obj), 200)
    except User.DoesNotExist:
        return make_response("Not Found", 404)


@user_service.route("/<int:id>/update", methods=["POST"])
def update_user(id: int):

    try:
        user = User.get(id)
        new_bio = str(request.form.get("bio"))
        user.update(actions=[User.bio.set(new_bio)])
        return make_response(jsonify({"data": {
            "username": user.username,
            "bio": user.bio
        }}), 200)
    except User.DoesNotExist:
        return make_response("Not Found", 404)


@user_service.route("/list", methods=["GET"])
def get_user_list():

    user_res_objects: [dict] = []
    count: int = int(request.args.get("count") or 1)
    after_key: int = int(request.args.get("after") or 0)

    for user in User.batch_get(range(after_key, after_key + count)):
        user_res_objects.append({
            "id": user.id,
            "username": user.username,
            "bio": user.bio
        })

    res_obj = {"data": user_res_objects, "after": None}

    if user_res_objects:
        res_obj["after"] = after_key + count

    return make_response(jsonify(res_obj), 200)