public async Task <BalanceBook> UpsertBalanceBook(BalanceBook balanceBook)
{
var entity = CreateBalanceBookEntity(balanceBook);
await Store(entity);
var updatedBook = await GetBalanceBook();
return(updatedBook);
}
private TableEntity <BalanceBook> CreateBalanceBookEntity(BalanceBook book)
{
var entity = new TableEntity <BalanceBook>(book)
{
PartitionKey = PartitionBalanceKey,
RowKey = BalanceBookRowKey,
Timestamp = DateTimeOffset.UtcNow,
ETag = "*"
};
return(entity);
}
public static IList <Block> BuildBalanceMessage(BalanceBook balanceBook)
{
var blocks = new List <Block>();
var balanceBlock = new SectionBlock()
{
BlockId = "balance_summary",
Text = new Markdown("")
};
foreach (var pair in balanceBook.Balances.Values
.Where(x => x.Balance != 0)
.OrderBy(x => x.Key))
{
var balanceStr = Math.Abs(pair.Balance).ToString("0.00", CultureInfo.InvariantCulture);
balanceStr = pair.Balance > 0
? $" :arrow_left: {balanceStr} :arrow_left: "
: $" :arrow_right: {balanceStr} :arrow_right: ";
balanceBlock.Text.Text += $"> {pair.PartyA.ToSlackMention()}{balanceStr}{pair.PartyB.ToSlackMention()}\n";
}
var(biggestDebtor, biggestDebt) = balanceBook.FindBiggestDebtor();
if (biggestDebtor != null)
{
balanceBlock.Text.Text += $"{biggestDebtor.ToSlackMention()} should host the next order (total: *{biggestDebt:F2}*)";
}
if (string.IsNullOrWhiteSpace(balanceBlock.Text.Text))
{
balanceBlock.Text = new PlainText("Everyone is even.");
}
blocks.Add(balanceBlock);
return(blocks);
}