private BWebServiceResponse OnRequest_Internal(HttpListenerContext _Context, Action <string> _ErrorMessageAction)
{
AuthorizedUser = ServiceUtilities.Common.Methods.GetAuthorizedRequester(_Context, _ErrorMessageAction);
if (!AuthorizedUser.bParseSuccessful)
{
return(BWebResponse.InternalError(AuthorizedUser.ParseErrorMessage));
}
if (_Context.Request.HttpMethod != "GET")
{
_ErrorMessageAction?.Invoke("GetModelsBy_MetadataKeyValueUserPair: GET method is accepted. But received request method: " + _Context.Request.HttpMethod);
return(BWebResponse.MethodNotAllowed("GET method is accepted. But received request method: " + _Context.Request.HttpMethod));
}
var UserID = RestfulUrlParameters[RestfulUrlParameter_UserID];
var MetadataKey = WebUtility.UrlDecode(RestfulUrlParameters[RestfulUrlParameter_MetadataKey]);
if (!DatabaseService.GetItem(
AttributeKUPairToOwnerDBEntry.TABLE(),
AttributeKUPairToOwnerDBEntry.KEY_NAME,
Controller_AttributeTables.MakeKey(MetadataKey, UserID),
new string[] { AttributeKeyDBEntryBase.METADATA_LOCATOR_PROPERTY },
out JObject Result,
_ErrorMessageAction))
{
return(BWebResponse.InternalError("Database query has failed."));
}
if (Result == null || !Result.ContainsKey(AttributeKeyDBEntryBase.METADATA_LOCATOR_PROPERTY) || Result[AttributeKeyDBEntryBase.METADATA_LOCATOR_PROPERTY].Type != JTokenType.Array)
{
return(BWebResponse.NotFound("Entry not found."));
}
var AsArray = (JArray)Result[AttributeKeyDBEntryBase.METADATA_LOCATOR_PROPERTY];
for (int i = 0; i < AsArray.Count; i++)
{
var AsStr = (string)AsArray[i];
if (AsStr != null)
{
if (AsStr.StartsWith(Controller_AttributeTables.MODEL_METADATA_PREFIX))
{
AsStr = AsStr.Substring(Controller_AttributeTables.MODEL_METADATA_PREFIX.Length);
}
else if (AsStr.StartsWith(Controller_AttributeTables.REVISION_METADATA_PREFIX))
{
AsStr = AsStr.Substring(Controller_AttributeTables.REVISION_METADATA_PREFIX.Length);
AsStr = AsStr.Replace(Controller_AttributeTables.REVISION_METADATA_MRV_DELIMITER, "->");
}
AsArray[i] = AsStr;
}
}
return(BWebResponse.StatusOK("Model(s) have been located.", new JObject()
{
[AttributeKeyDBEntryBase.METADATA_LOCATOR_PROPERTY] = AsArray
}));
}
private BWebServiceResponse UpdateModelInfo(HttpListenerContext _Context, Action <string> _ErrorMessageAction)
{
if (!CommonMethods.TryParsingRequestFor(
_Context, out JObject UpdateFieldsModelEntry,
false, out ModelDBEntry _,
out BWebServiceResponse FailureResponse,
_ErrorMessageAction))
{
return(FailureResponse);
}
if (!CommonMethods.TryGettingModelInfo(
DatabaseService,
RequestedModelID,
out JObject _,
true, out ModelDBEntry Model,
out FailureResponse,
_ErrorMessageAction))
{
return(FailureResponse);
}
//If there is a change in the model name
bool bGetClearanceForModelName_New = false;
bool bGetClearanceForModelName_Old = false;
string ModelUniqueName_New = null;
string ModelUniqueName_Old = null;
try
{
if (UpdateFieldsModelEntry.ContainsKey(ModelDBEntry.MODEL_UNIQUE_NAME_PROPERTY) &&
Model.ModelName != (string)UpdateFieldsModelEntry[ModelDBEntry.MODEL_UNIQUE_NAME_PROPERTY])
{
ModelUniqueName_New = (string)UpdateFieldsModelEntry[ModelDBEntry.MODEL_UNIQUE_NAME_PROPERTY];
if (!Controller_AtomicDBOperation.Get().GetClearanceForDBOperation(InnerProcessor, UniqueFileFieldsDBEntry.DBSERVICE_UNIQUEFILEFIELDS_TABLE(), UniqueFileFieldsDBEntry.KEY_NAME_MODEL_UNIQUE_NAME + ":" + ModelUniqueName_New, _ErrorMessageAction))
{
return(BWebResponse.InternalError("Atomic operation control has failed."));
}
bGetClearanceForModelName_New = true;
ModelUniqueName_Old = Model.ModelName;
if (!Controller_AtomicDBOperation.Get().GetClearanceForDBOperation(InnerProcessor, UniqueFileFieldsDBEntry.DBSERVICE_UNIQUEFILEFIELDS_TABLE(), UniqueFileFieldsDBEntry.KEY_NAME_MODEL_UNIQUE_NAME + ":" + ModelUniqueName_Old, _ErrorMessageAction))
{
return(BWebResponse.InternalError("Atomic operation control has failed."));
}
bGetClearanceForModelName_Old = true;
//Put the new one
if (!DatabaseService.UpdateItem(
UniqueFileFieldsDBEntry.DBSERVICE_UNIQUEFILEFIELDS_TABLE(),
UniqueFileFieldsDBEntry.KEY_NAME_MODEL_UNIQUE_NAME,
new BPrimitiveType(ModelUniqueName_New),
new JObject()
{
[ModelDBEntry.KEY_NAME_MODEL_ID] = RequestedModelID
},
out JObject _,
EBReturnItemBehaviour.DoNotReturn,
DatabaseService.BuildAttributeNotExistCondition(UniqueFileFieldsDBEntry.KEY_NAME_MODEL_UNIQUE_NAME),
_ErrorMessageAction))
{
if (!DatabaseService.GetItem(
UniqueFileFieldsDBEntry.DBSERVICE_UNIQUEFILEFIELDS_TABLE(),
UniqueFileFieldsDBEntry.KEY_NAME_MODEL_UNIQUE_NAME,
new BPrimitiveType(ModelUniqueName_New),
UniqueFileFieldsDBEntry.Properties,
out JObject ModelIDResponse,
_ErrorMessageAction) || !ModelIDResponse.ContainsKey(ModelDBEntry.KEY_NAME_MODEL_ID))
{
return(BWebResponse.InternalError("Model ID could not be retrieved upon conflict."));
}
var Result = JObject.Parse(BWebResponse.Error_Conflict_String("Attribute " + UniqueFileFieldsDBEntry.KEY_NAME_MODEL_UNIQUE_NAME + " must be globally unique."));
Result[ModelDBEntry.KEY_NAME_MODEL_ID] = (string)ModelIDResponse[ModelDBEntry.KEY_NAME_MODEL_ID];
return(new BWebServiceResponse(
BWebResponse.Error_Conflict_Code,
new BStringOrStream(Result.ToString()),
BWebResponse.Error_Conflict_ContentType));
}
//Delete the old one
Controller_DeliveryEnsurer.Get().DB_DeleteItem_FireAndForget(
_Context,
UniqueFileFieldsDBEntry.DBSERVICE_UNIQUEFILEFIELDS_TABLE(),
UniqueFileFieldsDBEntry.KEY_NAME_MODEL_UNIQUE_NAME,
new BPrimitiveType(ModelUniqueName_Old));
}
var OldModelMetadataSet = Model.ModelMetadata;
Model.Merge(UpdateFieldsModelEntry);
var NewModelMetadataSet = Model.ModelMetadata;
if (OldModelMetadataSet != NewModelMetadataSet)
{
var MetaLocator = Controller_AttributeTables.MetadataLocator.ItIsModelMetadata(RequestedModelID);
//First remove all metadata sets
Controller_AttributeTables.Get().AddRemoveMetadataSets_AttributesTables(
InnerDeliveryEnsurerUserProcessor, Model.ModelOwnerUserID,
MetaLocator,
OldModelMetadataSet,
Controller_AttributeTables.EAddRemove.Remove,
Controller_AttributeTables.EKillProcedureIfGetClearanceFails.No,
out BWebServiceResponse _, _ErrorMessageAction);
//Then add new metadata sets
Controller_AttributeTables.Get().AddRemoveMetadataSets_AttributesTables(
InnerDeliveryEnsurerUserProcessor, Model.ModelOwnerUserID,
MetaLocator,
NewModelMetadataSet,
Controller_AttributeTables.EAddRemove.Add,
Controller_AttributeTables.EKillProcedureIfGetClearanceFails.No,
out BWebServiceResponse _, _ErrorMessageAction);
}
Model.MRVLastUpdateTime = CommonMethods.GetTimeAsCreationTime();
Controller_DeliveryEnsurer.Get().DB_UpdateItem_FireAndForget(
_Context,
ModelDBEntry.DBSERVICE_MODELS_TABLE(),
ModelDBEntry.KEY_NAME_MODEL_ID,
new BPrimitiveType(RequestedModelID),
JObject.Parse(JsonConvert.SerializeObject(Model)));
Controller_ModelActions.Get().BroadcastModelAction(new Action_ModelUpdated
(
RequestedModelID,
Model.ModelOwnerUserID,
Model.ModelSharedWithUserIDs,
AuthorizedUser.UserID,
UpdateFieldsModelEntry
),
_ErrorMessageAction);
return(BWebResponse.StatusOK("Model has been successfully updated."));
}
finally
{
if (bGetClearanceForModelName_New)
{
Controller_AtomicDBOperation.Get().SetClearanceForDBOperationForOthers(InnerProcessor, UniqueFileFieldsDBEntry.DBSERVICE_UNIQUEFILEFIELDS_TABLE(), UniqueFileFieldsDBEntry.KEY_NAME_MODEL_UNIQUE_NAME + ":" + ModelUniqueName_New, _ErrorMessageAction);
}
if (bGetClearanceForModelName_Old)
{
Controller_AtomicDBOperation.Get().SetClearanceForDBOperationForOthers(InnerProcessor, UniqueFileFieldsDBEntry.DBSERVICE_UNIQUEFILEFIELDS_TABLE(), UniqueFileFieldsDBEntry.KEY_NAME_MODEL_UNIQUE_NAME + ":" + ModelUniqueName_Old, _ErrorMessageAction);
}
}
}
private BWebServiceResponse DeleteModel(HttpListenerContext _Context, Action <string> _ErrorMessageAction)
{
if (!CommonMethods.TryGettingModelInfo(
DatabaseService,
RequestedModelID,
out JObject _,
true, out ModelDBEntry Model,
out BWebServiceResponse FailureResponse,
_ErrorMessageAction))
{
return(FailureResponse);
}
if (!Controller_AttributeTables.Get().AddRemoveMetadataSets_AttributesTables(
InnerDeliveryEnsurerUserProcessor, Model.ModelOwnerUserID,
Controller_AttributeTables.MetadataLocator.ItIsModelMetadata(RequestedModelID),
Model.ModelMetadata,
Controller_AttributeTables.EAddRemove.Remove,
Controller_AttributeTables.EKillProcedureIfGetClearanceFails.Yes,
out FailureResponse, _ErrorMessageAction))
{
return(FailureResponse);
}
foreach (var Rev in Model.ModelRevisions)
{
Controller_ModelActions.Get().BroadcastModelAction(new Action_ModelRevisionFileEntryDeleteAll
(
RequestedModelID,
Rev.RevisionIndex,
Model.ModelOwnerUserID,
Model.ModelSharedWithUserIDs,
AuthorizedUser.UserID,
JObject.Parse(JsonConvert.SerializeObject(Rev.FileEntry))
),
_ErrorMessageAction);
}
Controller_DeliveryEnsurer.Get().DB_DeleteItem_FireAndForget(
_Context,
UniqueFileFieldsDBEntry.DBSERVICE_UNIQUEFILEFIELDS_TABLE(),
UniqueFileFieldsDBEntry.KEY_NAME_MODEL_UNIQUE_NAME,
new BPrimitiveType(Model.ModelName));
var RequestedModelIDPrimitive = new BPrimitiveType(RequestedModelID);
Controller_DeliveryEnsurer.Get().DB_DeleteItem_FireAndForget(
_Context,
ModelDBEntry.DBSERVICE_MODELS_TABLE(),
ModelDBEntry.KEY_NAME_MODEL_ID,
RequestedModelIDPrimitive);
if (Model.ModelSharedWithUserIDs.Contains("*"))
{
Controller_DeliveryEnsurer.Get().DB_DeleteItem_FireAndForget(
_Context,
GloballySharedModelIDsDBEntry.DBSERVICE_GLOBALLY_SHARED_MODEL_IDS_TABLE(),
GloballySharedModelIDsDBEntry.KEY_NAME_MODEL_ID,
RequestedModelIDPrimitive);
}
Controller_ModelActions.Get().BroadcastModelAction(new Action_ModelDeleted
(
RequestedModelID,
Model.ModelOwnerUserID,
Model.ModelSharedWithUserIDs,
AuthorizedUser.UserID
),
_ErrorMessageAction);
return(BWebResponse.StatusOK("Model has been deleted."));
}
private BWebServiceResponse CreateModel(HttpListenerContext _Context, Action <string> _ErrorMessageAction)
{
if (!CommonMethods.TryParsingRequestFor(
_Context, out JObject _,
true, out ModelDBEntry NewModelObject,
out BWebServiceResponse FailureResponse,
_ErrorMessageAction))
{
return(FailureResponse);
}
NewModelObject.ModelOwnerUserID = AuthorizedUser.UserID;
if (!CommonMethods.GenerateNonExistentUniqueID(
this,
DatabaseService, ModelDBEntry.DBSERVICE_MODELS_TABLE(), ModelDBEntry.KEY_NAME_MODEL_ID, ModelDBEntry.MustHaveProperties,
CommonMethods.EGetClearance.Yes,
out string ModelID,
out BWebServiceResponse _FailureResponse,
_ErrorMessageAction))
{
return(_FailureResponse);
}
bool bGetClearanceForModelName = false;
try
{
if (!Controller_AtomicDBOperation.Get().GetClearanceForDBOperation(InnerProcessor, UniqueFileFieldsDBEntry.DBSERVICE_UNIQUEFILEFIELDS_TABLE(), UniqueFileFieldsDBEntry.KEY_NAME_MODEL_UNIQUE_NAME + ":" + NewModelObject.ModelName, _ErrorMessageAction))
{
return(BWebResponse.InternalError("Atomic operation control has failed."));
}
bGetClearanceForModelName = true;
if (!DatabaseService.UpdateItem(
UniqueFileFieldsDBEntry.DBSERVICE_UNIQUEFILEFIELDS_TABLE(),
UniqueFileFieldsDBEntry.KEY_NAME_MODEL_UNIQUE_NAME,
new BPrimitiveType(NewModelObject.ModelName),
new JObject()
{
[ModelDBEntry.KEY_NAME_MODEL_ID] = ModelID
},
out JObject _,
EBReturnItemBehaviour.DoNotReturn,
DatabaseService.BuildAttributeNotExistCondition(UniqueFileFieldsDBEntry.KEY_NAME_MODEL_UNIQUE_NAME),
_ErrorMessageAction))
{
if (!DatabaseService.GetItem(
UniqueFileFieldsDBEntry.DBSERVICE_UNIQUEFILEFIELDS_TABLE(),
UniqueFileFieldsDBEntry.KEY_NAME_MODEL_UNIQUE_NAME,
new BPrimitiveType(NewModelObject.ModelName),
UniqueFileFieldsDBEntry.Properties,
out JObject ModelIDResponse,
_ErrorMessageAction) || !ModelIDResponse.ContainsKey(ModelDBEntry.KEY_NAME_MODEL_ID))
{
return(BWebResponse.InternalError("Model ID could not be retrieved upon conflict."));
}
var Result = JObject.Parse(BWebResponse.Error_Conflict_String("Attribute " + UniqueFileFieldsDBEntry.KEY_NAME_MODEL_UNIQUE_NAME + " must be globally unique."));
Result[ModelDBEntry.KEY_NAME_MODEL_ID] = (string)ModelIDResponse[ModelDBEntry.KEY_NAME_MODEL_ID];
return(new BWebServiceResponse(
BWebResponse.Error_Conflict_Code,
new BStringOrStream(Result.ToString()),
BWebResponse.Error_Conflict_ContentType));
}
if (!Controller_AttributeTables.Get().AddRemoveMetadataSets_AttributesTables(
InnerDeliveryEnsurerUserProcessor, NewModelObject.ModelOwnerUserID,
Controller_AttributeTables.MetadataLocator.ItIsModelMetadata(ModelID),
NewModelObject.ModelMetadata,
Controller_AttributeTables.EAddRemove.Add,
Controller_AttributeTables.EKillProcedureIfGetClearanceFails.Yes,
out _FailureResponse,
_ErrorMessageAction))
{
return(_FailureResponse);
}
NewModelObject.CreationTime = CommonMethods.GetTimeAsCreationTime();
NewModelObject.MRVLastUpdateTime = NewModelObject.CreationTime;
Controller_DeliveryEnsurer.Get().DB_PutItem_FireAndForget(
_Context,
ModelDBEntry.DBSERVICE_MODELS_TABLE(),
ModelDBEntry.KEY_NAME_MODEL_ID,
new BPrimitiveType(ModelID),
JObject.Parse(JsonConvert.SerializeObject(NewModelObject)));
Controller_ModelActions.Get().BroadcastModelAction(new Action_ModelCreated
(
ModelID,
AuthorizedUser.UserID,
new List <string>(),
AuthorizedUser.AuthMethodKey
),
_ErrorMessageAction);
return(BWebResponse.StatusCreated("Model has been created.", new JObject()
{
[ModelDBEntry.KEY_NAME_MODEL_ID] = ModelID
}));
}
finally
{
Controller_AtomicDBOperation.Get().SetClearanceForDBOperationForOthers(InnerProcessor, ModelDBEntry.DBSERVICE_MODELS_TABLE(), ModelID, _ErrorMessageAction);
if (bGetClearanceForModelName)
{
Controller_AtomicDBOperation.Get().SetClearanceForDBOperationForOthers(InnerProcessor, UniqueFileFieldsDBEntry.DBSERVICE_UNIQUEFILEFIELDS_TABLE(), UniqueFileFieldsDBEntry.KEY_NAME_MODEL_UNIQUE_NAME + ":" + NewModelObject.ModelName, _ErrorMessageAction);
}
}
}
