public SavePresentationResult SavePresentationChanges(UserIdentity userIdentity, PresentationInfo presentationInfo,
Slide[] newSlideArr, out ResourceDescriptor[] resourcesNotExists,
out DeviceResourceDescriptor[] deviceResourcesNotExists, out int[] labelNotExists,
out UserIdentity[] whoLock,
out int[] slidesAlreadyExistsId)
{
resourcesNotExists = new ResourceDescriptor[] { };
deviceResourcesNotExists = new DeviceResourceDescriptor[] {};
whoLock = new UserIdentity[] { };
slidesAlreadyExistsId = new int[] { };
labelNotExists = presentationInfo.GetUsedLabels().Except(
_configuration.LabelStorageAdapter.GetLabelStorage().Select(lb => lb.Id)).ToArray();
if (labelNotExists.Length != 0) return SavePresentationResult.LabelNotExists;
if (!IsStandAlone)
{
// необходим лок уровня презентации
LockingInfo info = _lockService.GetLockInfo(ObjectKeyCreator.CreatePresentationKey(presentationInfo));
if (info == null || !info.UserIdentity.Equals(userIdentity)) return SavePresentationResult.PresentationNotLocked;
}
string[] deletedEquipment;
Presentation presentationStored = _presentationDAL.GetPresentation(
presentationInfo.UniqueName, _sourceDAL, _deviceSourceDAL, out deletedEquipment);
if (presentationStored == null) return SavePresentationResult.PresentationNotExists;
resourcesNotExists = GetNotExistedResource(newSlideArr);
deviceResourcesNotExists = GetNotExistedDeviceResource(newSlideArr, presentationInfo);
if (resourcesNotExists.Length != 0 || deviceResourcesNotExists.Length != 0) return SavePresentationResult.ResourceNotExists;
LockingInfo[] lockedSlides;
Slide[] slideAlreadyExists;
presentationStored = Merge(userIdentity, presentationInfo, newSlideArr, presentationStored,
out lockedSlides, out slideAlreadyExists);
if (presentationStored == null)
{
SavePresentationResult result = SavePresentationResult.Unknown;
if (lockedSlides.Length != 0)
{
whoLock = lockedSlides.Select(li => li.UserIdentity).ToArray();
result = SavePresentationResult.SlideLocked;
}
if (slideAlreadyExists.Length != 0)
{
slidesAlreadyExistsId = slideAlreadyExists.Select(sl => sl.Id).ToArray();
result = SavePresentationResult.SlideAlreadyExists;
}
return result;
}
bool isSuccess = _presentationDAL.SavePresentation(userIdentity, presentationStored);
if (isSuccess)
{
PresentationKey presentationKey = ObjectKeyCreator.CreatePresentationKey(presentationStored);
ObjectChanged(userIdentity, new List<ObjectInfo> { new ObjectInfo(userIdentity, presentationKey) },
new PresentationInfo(presentationStored), true);
}
else
{
return SavePresentationResult.Unknown;
}
return SavePresentationResult.Ok;
}
public CreatePresentationResult CreatePresentation(UserIdentity sender,
PresentationInfo presentationInfo,
out int[] labelNotExists)
{
labelNotExists = presentationInfo.GetUsedLabels().Except(
_configuration.LabelStorageAdapter.GetLabelStorage().Select(lb => lb.Id)).ToArray();
if (labelNotExists.Length != 0) return CreatePresentationResult.LabelNotExists;
if (null != _presentationDAL.GetPresentationInfo(presentationInfo.UniqueName)) return CreatePresentationResult.SameUniqueNameExists;
if (null != _presentationDAL.GetPresentationInfoByPresentationName(presentationInfo.Name))
return CreatePresentationResult.SameNameExists;
bool isSuccess = _presentationDAL.SavePresentation(sender,
presentationInfo.CreatePresentationStub());
if (isSuccess) return CreatePresentationResult.Ok;
else return CreatePresentationResult.SameNameExists;
}
