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app.py
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app.py
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from flask import Flask, jsonify, request
from db_utils import (
DbConnectionError,
UserError,
get_all_questions,
get_question_by_id,
get_questions_by_language,
create_new_question,
delete_question_by_id,
update_mastery_by_id,
)
app = Flask(__name__)
# homepage
@app.route("/")
def index():
return "Welcome to the REVISION"
# GET all questions
# no need to specify the method is GET as it is GET by default
@app.route("/questions")
def questions():
try:
res = get_all_questions()
return jsonify(res)
except DbConnectionError as e:
return jsonify({"error": str(e)}), 500
# GET question by id
@app.route("/questions/<id>")
def question_by_id(id):
try:
res = get_question_by_id(id)
return jsonify(res)
except UserError as e:
return jsonify({"error": str(e)}), 404
except DbConnectionError as e:
return jsonify({"error": str(e)}), 500
# GET question by Language
@app.route("/questions/language/<language>")
def questions_by_language(language):
try:
res = get_questions_by_language(language)
return jsonify(res)
except UserError as e:
return jsonify({"error": str(e)}), 404
except DbConnectionError as e:
return jsonify({"error": str(e)}), 500
# create/POST new question
@app.route("/questions", methods=["POST"])
def create_question():
try:
new_question = request.get_json()
created_question = create_new_question(new_question)
return jsonify(created_question), 201
except UserError as e:
return jsonify({"error": str(e)}), 400
except DbConnectionError as e:
return jsonify({"error": str(e)}), 500
# DELETE question by id
@app.route("/questions/<id>", methods=["DELETE"])
def delete_question(id):
try:
delete_question_by_id(id)
return jsonify({"message": "question deleted"})
except UserError as e:
return jsonify({"error": str(e)}), 404
except DbConnectionError as e:
return jsonify({"error": str(e)}), 500
# update mastery with PATCH
@app.route("/questions/<id>", methods=["PATCH"])
def update_mastery(id):
try:
req = request.get_json()
updated_record = update_mastery_by_id(id, req["mastery"])
return jsonify(
{
"message": f"mastery for question {id} updated successfully to {req['mastery']}",
"update": updated_record,
}
)
except UserError as e:
return jsonify({"error": str(e)}), 404
except DbConnectionError as e:
return jsonify({"error": str(e)}), 500
if __name__ == "__main__":
app.run(debug=True)