Files
any2anexoj/cmd/any2anexoj-cli/main.go

98 lines
2.3 KiB
Go

package main
import (
"context"
"fmt"
"log/slog"
"net/http"
"os"
"os/signal"
"time"
"github.com/nmoniz/any2anexoj/internal"
"github.com/nmoniz/any2anexoj/internal/trading212"
"github.com/spf13/pflag"
"golang.org/x/sync/errgroup"
"golang.org/x/text/language"
)
var (
// TODO: once we support more brokers or exchanges we should make this parameter required and
// remove/change default
platform = pflag.StringP("platform", "p", "trading212", "One of the supported platforms")
lang = pflag.StringP("language", "l", language.Portuguese.String(), "The 2 letter language code")
ofAPIKey = pflag.String("open-figi-api-key", "", "An OpenFIGI API key for faster report generation (better rate api rate limits)")
// TODO: improve documentation on selectors
selectors = pflag.StringSlice("selectors", nil, "Only process entries that conform to all the selectors:")
)
func main() {
pflag.Parse()
err := run(context.Background())
if err != nil {
slog.Error("found a fatal issue", slog.Any("err", err))
os.Exit(1)
}
}
func run(ctx context.Context) error {
ctx, cancel := signal.NotifyContext(ctx, os.Kill, os.Interrupt)
defer cancel()
eg, ctx := errgroup.WithContext(ctx)
slog.SetDefault(slog.New(slog.NewTextHandler(os.Stderr, nil)))
if platform == nil || len(*platform) == 0 {
slog.Error("--platform flag is required")
os.Exit(1)
}
if lang == nil || len(*lang) == 0 {
slog.Error("--language flag is required")
os.Exit(1)
}
reader, err := getReader(*platform, *ofAPIKey)
if err != nil {
return fmt.Errorf("getting reader: %w", err)
}
writer := internal.NewAggregatorWriter()
selector, err := internal.ParseSelectors(*selectors)
if err != nil {
return fmt.Errorf("parsing selectors: %w", err)
}
eg.Go(func() error {
return internal.BuildReport(ctx, reader, writer, selector)
})
err = eg.Wait()
if err != nil {
return err
}
loc, err := NewLocalizer(*lang)
if err != nil {
return fmt.Errorf("create localizer: %w", err)
}
printer := NewPrettyPrinter(os.Stdout, loc)
printer.Render(writer)
return nil
}
func getReader(platform string, ofAPIKey string) (internal.RecordReader, error) {
switch platform {
case "trading212":
return trading212.NewRecordReader(os.Stdin, internal.NewOpenFIGI(&http.Client{Timeout: 5 * time.Second}, ofAPIKey)), nil
default:
return nil, fmt.Errorf("unsupported platform: %s", platform)
}
}