private async Task <Result <int> > FillDeviceDefinition(UpdateDeviceDefinitionCommand input,
DeviceDefinition deviceDefinition, ApplicationContext applicationContext)
{
if (input.Tags != null)
{
var relatedTags = await applicationContext.Tags.Where(tag => input.Tags.Contains(tag.Name)).ToListAsync();
relatedTags.ForEach(tag =>
{
if (tag.RelatedDeviceDefinitions.All(definition => definition.Id != deviceDefinition.Id))
{
tag.RelatedDeviceDefinitions.Add(deviceDefinition);
}
});
var notExistingTags = input.Tags.Where(tagName => relatedTags.All(tag => tag.Name != tagName)).ToList();
await applicationContext.Tags.AddRangeAsync(notExistingTags.Select(notExistingTag => new Tag()
{
Name = notExistingTag,
RelatedDeviceDefinitions = new List <DeviceDefinition>()
{
deviceDefinition
}
}));
}
if (input.DefinitionString != null)
{
deviceDefinition.DefinitionString = input.DefinitionString;
}
await applicationContext.SaveChangesAsync();
return(Result <int> .SuccessResult(deviceDefinition.Id));
}
public override async Task <Result <int> > HandleTyped(UpdateDeviceDefinitionCommand input,
ApplicationContext applicationContext)
{
var lastStoreEntry = await applicationContext.CommandsStoreEntries.OrderByDescending(entry => entry.Id).FirstOrDefaultAsync();
var sequenceNumber = lastStoreEntry == null ? 0 : lastStoreEntry.SequenceNumber + 1;
var command =
applicationContext.UpdateDeviceDefinitionCommands.Add(new Entities.UpdateDeviceDefinitionCommand()
{
DefinitionString = input.DefinitionString,
TagsOneLine = input.Tags != null? string.Join("&", input.Tags):null
});
applicationContext.CommandsStoreEntries.Add(new CommandsStoreEntry()
{
CommandType = nameof(UpdateDeviceDefinitionCommand),
SequenceNumber = sequenceNumber,
CommandDateTime = DateTime.Now,
RelatedCommandId = command.Entity.Id
});
await applicationContext.SaveChangesAsync();
if (input.DeviceDefinitionId.HasValue)
{
DeviceDefinition deviceDefinition =
await applicationContext.DeviceDefinitions.FirstOrDefaultAsync(definition =>
definition.Id == input.DeviceDefinitionId);
return(await FillDeviceDefinition(input, deviceDefinition, applicationContext));
}
else
{
DeviceDefinition deviceDefinition = (await applicationContext.DeviceDefinitions.AddAsync(new DeviceDefinition())).Entity;
return(await FillDeviceDefinition(input, deviceDefinition, applicationContext));
}
return(Result <int> .FailResult());
}
