app.py

# for pagination (create a new file)
def get_paginated_list(data, url, start, limit):

    count = len(data)

    # force numericalize start and limit
    start = int(start)
    limit = int(limit)

    # build json response
    obj = {}
    obj["start"] = start
    obj["limit"] = limit
    obj["count"] = count

    # previous page url
    if start == 1:
        obj["previous"] = ""
    else:
        start_copy = max(1, start - limit)
        limit_copy = start - 1
        obj["previous"] = url + "?start=%d&limit=%d" % (start_copy, limit_copy)

    # next page url
    if start + limit > count:
        obj["next"] = ""
    else:
        start_copy = start + limit
        obj["next"] = url + "?start=%d&limit=%d" % (start_copy, limit)

    # slice json data according to start and limit bound
    obj["data"] = data[(start - 1) : (start - 1 + limit)]
    return obj



# import get_paginated_list
  
# GET all unis  or POST a university
@app.route("/api/universities/", methods=["GET", "POST"])
def get():
    if request.method == "GET":
        universities = Universities
        return jsonify(
            get_paginated_list(
                universities,
                "/api/universities",
                request.args.get("start", 1),
                request.args.get("limit", 20),
            )
        )

    else:
        length_of_universities_list = len(Universities)

        create_obj = {
            "id": length_of_universities_list + 1,
            "alpha_two_code": request.json["alpha_two_code"],
            "country": request.json["country"],
            "domain": request.json["domain"],
            "name": request.json["name"],
            "web_page": request.json["web_page"],
        }

        Universities.append(create_obj)
        return jsonify(Universities)

  

# DELETE a university
@app.route("/api/university/<id>", methods=["DELETE"])
def delete_university(id):
    university = (uni for uni in Universities if uni["id"] == float(id))
    try:
        Universities.remove(next(university))
        return {"status": 204, "message": "no content"}
    except StopIteration:
        return {
            "status": 404,
            "message": "University matching that id was not found or something",
        }