public void Handle(IEnumerator <IProgrammeCreated> eventEnumerator)
{
InitializeCaches();
var prgDictToProcess = new HashSet <ProgrammeDictionary>();
var prgCatToProcess = new List <ProgrammeCategoryEntity>();
var prgToProcess = new List <ProgrammeEntity>();
var prgCatLinkToProcess = new List <ProgrammeCategoryLink>();
var prgDictEpisodeToProcess = new HashSet <ProgrammeEpisode>();
var scheduleToProcess = new List <ScheduleEntity>();
var schPrgToProcess = new List <ScheduleProgrammeEntity>();
while (eventEnumerator.MoveNext())
{
var eventModel = eventEnumerator.Current;
if (eventModel is null)
{
continue;
}
var salesArea = _salesAreaCache.Get(eventModel.SalesArea);
if (salesArea is null)
{
throw new DataSyncException(DataSyncErrorCode.SalesAreaNotFound,
$"Invalid Sales Area: {eventModel.SalesArea}");
}
if (!(eventModel.ProgrammeCategories is null) && eventModel.ProgrammeCategories.Any())
{
var invalidCategories = eventModel.ProgrammeCategories
.Except(_categoryHierarchyNames, StringComparer.InvariantCultureIgnoreCase).ToArray();
if (invalidCategories.Length != 0)
{
throw new DataSyncException(DataSyncErrorCode.ProgrammeCategoryNotFound,
"Invalid programme categories: " + string.Join(",", invalidCategories));
}
}
var programmeDictionary = _programmeDictionaryCache.Get(eventModel.ExternalReference);
if (programmeDictionary is null)
{
programmeDictionary = _mapper.Map <ProgrammeDictionary>(eventModel);
_programmeDictionaryCache.Add(programmeDictionary);
}
else
{
programmeDictionary.Name = eventModel.ProgrammeName;
programmeDictionary.Description = eventModel.Description;
programmeDictionary.Classification = eventModel.Classification;
}
_ = prgDictToProcess.Add(programmeDictionary);
var programme = _mapper.Map <ProgrammeEntity>(eventModel);
programme.Id = Guid.NewGuid();
programme.ProgrammeDictionary = programmeDictionary;
programme.SalesAreaId = salesArea.Id;
_prgtNoCounter.Process(programme);
prgToProcess.Add(programme);
foreach (var catName in eventModel.ProgrammeCategories ?? Enumerable.Empty <string>())
{
var category = _programmeCategoryCache.GetOrAdd(catName, key =>
{
var newCat = new ProgrammeCategoryEntity {
Name = key
};
prgCatToProcess.Add(newCat);
return(newCat);
});
if (programme.ProgrammeCategoryLinks.All(x => !string.Equals(x.ProgrammeCategory.Name, category.Name)))
{
var link = new ProgrammeCategoryLink
{
ProgrammeCategory = category,
Programme = programme,
ProgrammeId = programme.Id
};
programme.ProgrammeCategoryLinks.Add(link);
prgCatLinkToProcess.Add(link);
}
}
if (!(eventModel.Episode is null))
{
var episode = programmeDictionary.ProgrammeEpisodes.FirstOrDefault(x => x.Number == eventModel.Episode.Number);
if (episode is null)
{
episode = _mapper.Map <ProgrammeEpisodeEntity>(eventModel.Episode);
episode.ProgrammeDictionary = programmeDictionary;
programmeDictionary.ProgrammeEpisodes.Add(episode);
}
else
{
episode.Name = eventModel.Episode.Name;
}
programme.Episode = episode;
_ = prgDictEpisodeToProcess.Add(episode);
}
var schedule = _scheduleCache.GetOrAdd(programme.ScheduleUniqueKey,
key =>
{
var sch = new ScheduleEntity
{
SalesAreaId = programme.SalesAreaId,
Date = programme.StartDateTime.Date
};
scheduleToProcess.Add(sch);
return(sch);
});
schPrgToProcess.Add(new ScheduleProgrammeEntity {
Programme = programme, Schedule = schedule
});
}
using (var dbContext = _dbContextFactory.Create())
{
using (var transaction = dbContext.Specific.Database.BeginTransaction())
{
dbContext.BulkInsertEngine.BulkInsertOrUpdate(prgDictToProcess.ToList(),
new BulkInsertOptions {
PreserveInsertOrder = true, SetOutputIdentity = true
});
foreach (var episode in prgDictEpisodeToProcess)
{
episode.ProgrammeDictionaryId = episode.ProgrammeDictionary.Id;
}
dbContext.BulkInsertEngine.BulkInsertOrUpdate(prgDictEpisodeToProcess.ToList(),
new BulkInsertOptions {
PreserveInsertOrder = true, SetOutputIdentity = true
});
dbContext.BulkInsertEngine.BulkInsert(prgCatToProcess,
new BulkInsertOptions {
PreserveInsertOrder = true, SetOutputIdentity = true
});
foreach (var prg in prgToProcess)
{
prg.ProgrammeDictionaryId = prg.ProgrammeDictionary.Id;
prg.EpisodeId = prg.Episode?.Id;
}
dbContext.BulkInsertEngine.BulkInsert(prgToProcess,
new BulkInsertOptions {
PreserveInsertOrder = true
});
foreach (var catLink in prgCatLinkToProcess)
{
catLink.ProgrammeCategoryId = catLink.ProgrammeCategory.Id;
}
dbContext.BulkInsertEngine.BulkInsert(prgCatLinkToProcess);
dbContext.BulkInsertEngine.BulkInsert(scheduleToProcess,
new BulkInsertOptions {
PreserveInsertOrder = true, SetOutputIdentity = true
});
foreach (var scheduleProgramme in schPrgToProcess)
{
scheduleProgramme.ProgrammeId = scheduleProgramme.Programme.Id;
scheduleProgramme.ScheduleId = scheduleProgramme.Schedule.Id;
}
dbContext.BulkInsertEngine.BulkInsert(schPrgToProcess);
transaction.Commit();
}
}
}