public async Task <TagUse> RenameTagUseAsync(RenameTagUseRequest request)
{
SystemContract.RequireNotNullOrWhiteSpace(request.NewName, "request.NewName");
SystemContract.RequireNotNullOrWhiteSpace(request.OldName, "request.OldName");
/// NewNameの使用確認
var newNameTagUseQuery = _refsContext.TagUses.Include("Owner").AsNoTracking().
Where(u => u.OwnerId == request.OwnerId && u.Name == request.NewName);
/// collationをcase insensitiveにしているので大文字小文字が異なるTagUseも取得される
var newNameTagUses = await newNameTagUseQuery.ToArrayAsync();
var isNewNameTagUseExists = newNameTagUses.Any(u => u.Name == request.NewName);
BusinessContract.Require(!isNewNameTagUseExists, Errors.TagUseNameAlreadyExists, request.NewName);
var oldNameTagUseQuery = _refsContext.TagUses.Include("Owner").
Where(t => t.OwnerId == request.OwnerId && t.Name == request.OldName);
/// collationをcase insensitiveにしているので大文字小文字が異なるTagUseも取得される
var storedTagUses = await oldNameTagUseQuery.ToArrayAsync();
var storedTagUse = storedTagUses.Single(u => u.Name == request.OldName);
BusinessContract.ValidateWritePermission(request.OwnerId);
BusinessContract.ValidateRowVersion(request.TagUseIdentity.RowVersion, storedTagUse.RowVersion);
var tag = await EnsureTagAsync(request.NewName);
storedTagUse.TagId = tag.Id;
storedTagUse.Name = request.NewName;
_refsContext.MarkAsModified(storedTagUse);
await _refsContext.SaveChangesAsync();
return(storedTagUse);
}
public async Task <ActionResult> RenameTagUse(long?id, byte[] rowVersion, string oldName, string newName)
{
SystemContract.RequireNotNull(id, "id");
SystemContract.RequireNotNullOrWhiteSpace(oldName, "oldName");
SystemContract.RequireNotNullOrWhiteSpace(newName, "newName");
var user = GetUser();
var request = new RenameTagUseRequest()
{
TagUseIdentity = new EntityIdentity(id.Value, rowVersion),
OwnerId = user.Id,
OldName = oldName,
NewName = newName,
};
var result = await _tagHandler.RenameTagUseAsync(request);
var ret = Mapper.Map <TagUseViewModel>(result);
return(JsonNet(ret));
}
