public async Task <JsonResult> SetContentModuleState([FromBody] ContentModuleState cms)
{
var user = await GetCurrentUserAsync();
var uls = _ctx.UserLearningStates.Where(x => x.AuthenticatedUserId == user.Id && x.TopicModuleContentId == cms.ContentModuleId).FirstOrDefault();
var topicModuleContent = _ctx.TopicModuleContent.Where(x => x.TopicModuleContentId == cms.ContentModuleId).FirstOrDefault();
if (uls != null)
{
uls.LastVisited = DateTime.Now;
uls.LearningState = (LearningState)cms.State;
}
else
{
_ctx.UserLearningStates.Add(new UserLearningState()
{
AuthenticatedUserId = user.Id,
FirstVisited = DateTime.Now,
LastVisited = DateTime.Now,
LearningState = (LearningState)cms.State,
TopicModuleContentId = cms.ContentModuleId,
TopicId = topicModuleContent.TopicModule.TopicId,
TopicModuleId = topicModuleContent.TopicModuleContentId
});
}
// All content module items were completed, set topic module state to completed
var res = _ctx.UserLearningStates.Where(x => x.TopicModuleId == topicModuleContent.TopicModuleId && x.AuthenticatedUserId == user.Id).All(x => x.LearningState == LearningState.Completed);
if (res)
{
var topicModuleState = _ctx.TopicModuleStates.Where(x => x.TopicModuleId == topicModuleContent.TopicModuleId && x.AuthenticatedUserId == user.Id).FirstOrDefault();
if (topicModuleState != null)
{
topicModuleState.LearningState = LearningState.Completed;
}
}
// Persist updates to db
try
{
_ctx.SaveChanges();
}
catch { }
JsonResult result = new JsonResult("State change successful.");
result.StatusCode = (int)HttpStatusCode.Accepted;
return(result);
}
public async Task <JsonResult> CreateContentModuleState([FromBody] ContentModuleState cms)
{
var user = await GetCurrentUserAsync();
UserLearningState uls = new UserLearningState()
{
FirstVisited = DateTime.Now,
LastVisited = DateTime.Now,
LearningState = LearningState.Started,
AuthenticatedUserId = user.Id,
TopicId = cms.TopicId,
TopicModuleContentId = cms.ContentModuleId,
TopicModuleId = cms.TopicModuleId
};
_ctx.UserLearningStates.Add(uls);
_ctx.SaveChanges();
return(new JsonResult(JsonConvert.SerializeObject(uls)));
}
