// Executes plot on each given symbol
func parallelPlot(symbols []string) {
// process each symbol in parallel
var wg sync.WaitGroup
wg.Add(len(symbols))
for _, symbol := range symbols {
go func(symbol string) {
all := bands.All(symbol)
plot.PlotBands(symbol, all)
fmt.Println("Plot [", symbol, "] OK")
wg.Done()
}(symbol)
}
// wait for execution of all goroutines
wg.Wait()
}
// Calculate investment suggestion using strategy on each given symbol
func parallelSuggest(symbols []string, strategy string) {
// default strategy
fn := strategies.MoreDown
switch strategy {
case "moredown":
fn = strategies.MoreDown
case "moreup":
fn = strategies.MoreUp
case "uponce":
fn = strategies.UpOnce
case "downonce":
fn = strategies.DownOnce
default:
fmt.Println("Invalid strategy: ", strategy, "use any of: moredown, moreup, uponce, downonce")
return
}
// process each symbol in parallel
var wg sync.WaitGroup
wg.Add(len(symbols))
for _, symbol := range symbols {
go func(symbol string) {
all := bands.All(symbol)
if fn(all) {
fmt.Println("Invest [", symbol, "] YES")
} else {
fmt.Println("Invest [", symbol, "] NO")
}
wg.Done()
}(symbol)
}
// wait for execution of all goroutines
wg.Wait()
}