///<summary>
/// Actual Crud.Update method using CommandContext and StorageEngine
///</summary>
internal static async Task <OperationResult> UpdateAsync(CommandContext context)
{
string methName = $"{nameof(AllCommands)}.{nameof(UpdateAsync)}";
SanityChecks.CheckNull(context, methName);
SanityChecks.IsSameOperationType(CommandTypes.UpdateValue.ToString(), context.CommandType.ToString());
var configEntity = await TryExtractConfigEntityAsync(methName, context, CommandTypes.UpdateValue, c => { c.Value = context.ChangeRequest.Value; return(c); });
if (configEntity.Success == false)
{
return(configEntity.ThrowError());
}
// return result
return(OperationResult.Success(configEntity.Entity));
}
///<summary>
/// Actual Crud.Delete method using CommandContext and StorageEngine
///</summary>
internal static async Task <OperationResult> DeleteAsync(CommandContext context)
{
string methName = $"{nameof(AllCommands)}.{nameof(DeleteAsync)}";
SanityChecks.CheckNull(context, methName);
SanityChecks.IsSameOperationType(CommandTypes.Delete.ToString(), context.CommandType.ToString());
var configEntityResult = await TryExtractConfigEntityAsync(methName, context, CommandTypes.Delete, c => c);
if (configEntityResult.Success == false)
{
return(configEntityResult.ThrowError());
}
// return result
return(OperationResult.Success(configEntityResult.Entity));
}
///<summary>
/// Actual Query to get Data from the StorageModel
///</summary>
internal static async Task <OperationResult> QueryConfigEntityAsync(QueryContext context)
{
string methName = $"{nameof(AllQueries)}.{nameof(QueryConfigEntityAsync)}";
SanityChecks.CheckNull(context, methName, "QueryContext");
SanityChecks.IsSameOperationType(QueryTypes.ValueRequest.ToString(), context.QueryType.ToString());
// check if exists
var config = await context.StorageEngine.GetEntityByNameAsync(context.ConfigurationEntryKey);
if (config == null)
{
return(SanityChecks.NotFound(context.ConfigurationEntryKey, methName));
}
// return entity
return(OperationResult.Success(config));
}
///<summary>
/// Actual Query for all Config Entities using the StorageModel.
///</summary>
internal static async Task <OperationResult> QueryAllConfigEntityValuesAsync(QueryContext context)
{
string methName = $"{nameof(AllQueries)}.{nameof(QueryConfigEntityAsync)}";
SanityChecks.CheckNull(context, methName, "QueryContext");
SanityChecks.IsSameOperationType(QueryTypes.AllValues.ToString(), context.QueryType.ToString());
// check if exists
var configs = await context.StorageEngine.AllEntitesAsync();
if (configs == null || configs.Any() == false)
{
return(SanityChecks.NotFound(context.ConfigurationEntryKey, methName));
}
// return entity
var collection = new ConfigCollection {
WrappedConfigEntities = configs
};
return(OperationResult.Success(collection));
}
///<summary>
/// Actual Crud.Create Command using the CommandContext and the StorageEngine
///</summary>
internal static async Task <OperationResult> CreateAsync(CommandContext context)
{
string methName = $"{nameof(AllCommands)}.{nameof(CreateAsync)}";
SanityChecks.CheckNull(context, methName);
SanityChecks.IsSameOperationType(CommandTypes.Create.ToString(), context.CommandType.ToString());
// create a new entity from key and value
var entity = GenerateConfigEntityFromChangeRequest(context.ChangeRequest);
bool success = false;
entity.CrudOperationName = CommandTypes.Create;
// try store
success = await context.StorageEngine.StoreEntityAsync(entity);
if (!success)
{
return(SanityChecks.StorageFailed <ConfigEntity>(context.CommandType.ToString(), methName));
}
return(OperationResult.Success(entity));
}