search

ThreeMinuteLearning / my3ml

https://3ml.org.uk/
BSD 3-Clause "New" or "Revised" License
10 stars 1 forks source link

Story answers form can be submitted multiple times #96

Closed tekul closed 5 years ago

tekul commented 5 years ago

On a slow connection, the student can click the submission button multiple times before getting a response. Subsequent requests cause duplicate key violation errors in the DB:

Dec 05 15:16:31 gorille my3ml[1170]: api/HasqlDB.hs:281:23 in my3ml-0.1.0.0-Ck5OEb7rh0SBAzFFWVdwcZ:HasqlDB) Dec 05 15:16:31 gorille my3ml[1170]: runStatement (api/HasqlDB.hs:224:20 in my3ml-0.1.0.0-Ck5OEb7rh0SBAzFFWVdwcZ:HasqlDB) Dec 05 15:16:31 gorille my3ml[1170]: createAnswer (api/Api/Server.hs:510:22 in my3ml-0.1.0.0-Ck5OEb7rh0SBAzFFWVdwcZ:Api.Server) Dec 05 15:16:31 gorille my3ml[1170]: [Error] DBException: SessionError (QueryError "INSERT INTO story_answer (story_id, student_id, school_id, connect, question, summarise, clarify)