/// <summary>
/// Call a contract
/// </summary>
/// <param name="call">The inputs for the contract call</param>
/// <returns></returns>
public async Task <Dictionary <int, BeContractReturn> > CallAsync(BeContractCall call)
{
if (call == null)
{
throw new BeContractException("Contract call is null");
}
var contract = await BcService.FindBeContractByIdAsync(call.Id);
Console.WriteLine($"Calling contract {contract?.Id}");
//Filter to only give the correct outputs
var notFiltredReturns = await CallAndLoopQueriesAsync(call, contract);
var filtredReturns = new Dictionary <int, BeContractReturn>();
var groupedOutputs = contract.Outputs?.GroupBy(output => output.LookupInputId);
groupedOutputs.ToList().ForEach(group =>
{
var beContractReturn = new BeContractReturn
{
Outputs = new Dictionary <string, dynamic>()
};
group.ToList().ForEach(output =>
{
var ret = notFiltredReturns[output.LookupInputId].Outputs.FirstOrDefault(o => o.Key.Equals(output.Key));
beContractReturn.Id = notFiltredReturns[output.LookupInputId].Id;
beContractReturn.Outputs.Add(ret.Key, ret.Value);
});
filtredReturns.Add(group.Key, beContractReturn);
});
filtredReturns.ToList().ForEach(ret =>
{
Console.WriteLine($"At LookupInputId {ret.Key} for contract {ret.Value.Id}");
ret.Value.Outputs.ToList().ForEach(output =>
{
Console.WriteLine($"\t{output.Key} - {output.Value}");
});
});
return(filtredReturns);
}
/// <summary>
/// Find the contract with the call id
/// Loop over every query
/// </summary>
/// <param name="call">The inputs for the contract call</param>
/// <returns>Return a list of contract id with his return types</returns>
private async Task <List <BeContractReturn> > CallAndLoopQueriesAsync(BeContractCall call, BeContract contract = null)
{
if (contract == null)
{
contract = await BcService.FindBeContractByIdAsync(call.Id);
}
if (contract == null)
{
throw new BeContractException($"No contract was found with id {call.Id}");
}
validators.ValidateBeContractCall(contract, call);
var returns = new List <BeContractReturn>();
//If it's a nested contract, loop through it
if (contract?.Queries?.Count > 0)
{
foreach (var q in contract.Queries)
{
//Create the BeContractCall
var callInQuery = new BeContractCall()
{
Id = q.Contract.Id,
ISName = call.ISName,
Inputs = new Dictionary <string, dynamic>()
};
//Fill in the inputs of the BeContractCall
q.Contract.Inputs?.ForEach(input =>
{
var mapping = q.Mappings.FirstOrDefault(m => m.InputKey.Equals(input.Key));
if (mapping == null)
{
throw new BeContractException($"No mapping exists for inputKey {input.Key}");
}
//We need to check our contract input
if (mapping.LookupInputId == 0)
{
if (!call.Inputs.TryGetValue(mapping.LookupInputKey, out dynamic value))
{
throw new BeContractException($"No value was found for the key {mapping.LookupInputKey} in the lookupinputid n°{mapping.LookupInputId}")
{
BeContractCall = call
}
}
;
callInQuery.Inputs.Add(input.Key, value);
}
//Find the contract where we need to search the value
else
{
if ((mapping.LookupInputId - 1) >= returns.Count)
{
throw new BeContractException($"Mapping LookupInputId n°{mapping.LookupInputId} is bigger then the returns size {returns.Count}");
}
var returnToBeUsed = returns[mapping.LookupInputId - 1];
if (returnToBeUsed == null)
{
throw new BeContractException($"No output was found for query {q.Contract.Id} with mapping lookupinputid n°{mapping.LookupInputId}")
{
BeContractCall = call
}
}
;
//We need to check our contract outputs
if (!returnToBeUsed.Outputs.TryGetValue(mapping.LookupInputKey, out dynamic value))
{
throw new BeContractException($"No value was found for the key {mapping.LookupInputKey} in the contract outputs of n°{mapping.LookupInputId}")
{
BeContractCall = call
}
}
;
callInQuery.Inputs.Add(input.Key, value);
}
});
//Call the contract
var loopdQueries = await CallAndLoopQueriesAsync(callInQuery);
if (loopdQueries.Contains(null))
{
throw new BeContractException($"Got an null in loopqueries with id {callInQuery.Id}");
}
returns.AddRange(loopdQueries);
}
;
}
else
{
var serviceReturns = await CallServiceAsync(contract, call);
if (serviceReturns == null)
{
throw new BeContractException($"Got an null in serviceCall with id {call.Id}");
}
returns.Add(serviceReturns);
}
return(returns);
}
