public static async Task Run(
[QueueTrigger("buy-bonds")] AssetPurchase bondPurchase,
[Table("Portfolio", InvestorType.Individual)] CloudTable cloudTable,
ILogger log)
{
log.LogInformation($"C# Queue trigger function processed for investorId: {bondPurchase.InvestorId}");
Investor investor = await LoadInvestor(bondPurchase, cloudTable, log);
AddBonds(bondPurchase, investor);
await UpdateInvestor(cloudTable, investor);
}
public InvestementAllocation Calculate(int totalAmountToBeInvested, Investor investor)
{
if (totalAmountToBeInvested <= 0)
{
throw new ArgumentOutOfRangeException(nameof(totalAmountToBeInvested), "The amount must be greater than zero.");
}
var totalCurrentPortfolioValue = investor.CurrentValueOfBonds + investor.CurrentValueOfStocks;
decimal currentPercentageBonds = CalculateCurrentBondsPercentage(investor, totalCurrentPortfolioValue);
bool areBondsOverweight = currentPercentageBonds > investor.TargetPercentageAllocationToBonds;
if (areBondsOverweight)
{
return(AllocateAllToStocks(totalAmountToBeInvested));
}
return(AllocateAllToBonds(totalAmountToBeInvested));
}
public static async Task <DepositRequest> Run(
[HttpTrigger(AuthorizationLevel.Function, "post", Route = "portfolio/{investorId}")] HttpRequest req,
[Table("Portfolio", InvestorType.Individual, "{investorId}")] Investor investor,
string investorId,
ILogger log)
{
log.LogInformation($"C# HTTP trigger function processed a request.");
string requestBody = await new StreamReader(req.Body).ReadToEndAsync();
log.LogInformation($"Request body: {requestBody}");
var deposit = JsonConvert.DeserializeObject <Deposit>(requestBody);
if (investor == null)
{
throw new ArgumentException($"Invalid investorId '{investorId}.");
}
if (deposit is null)
{
throw new ArgumentException($"Invalid deposit.");
}
if (deposit.Amount <= 0)
{
throw new ArgumentException($"Deposit amount must be greater than 1.");
}
// Additional validation omitted for demo purposes
var depositRequest = new DepositRequest
{
Amount = deposit.Amount,
Investor = investor
};
log.LogInformation($"Deposit created: {depositRequest}");
return(depositRequest);
}
private static async Task UpdateInvestor(CloudTable cloudTable, Investor investor)
{
var operation = TableOperation.Replace(investor);
await cloudTable.ExecuteAsync(operation);
}
private static void AddBonds(AssetPurchase bondPurchase, Investor investor)
{
investor.CurrentValueOfBonds += bondPurchase.Amount;
}
private static decimal CalculateCurrentBondsPercentage(Investor investor, decimal totalCurrentPortfolioValue)
{
// Normally all financial amounts would be type decimal, ints are used in this sample to simplify table storage
return(((decimal)investor.CurrentValueOfBonds / totalCurrentPortfolioValue) * 100);
}
private static void AddStocks(AssetPurchase stocksPurchase, Investor investor)
{
investor.CurrentValueOfStocks += stocksPurchase.Amount;
}
