91 lines
1.9 KiB
Go
91 lines
1.9 KiB
Go
package main
|
|
|
|
import (
|
|
"encoding/json"
|
|
"flag"
|
|
"io/ioutil"
|
|
"log"
|
|
"net/http"
|
|
"os"
|
|
"os/exec"
|
|
"strings"
|
|
"time"
|
|
)
|
|
|
|
func main() {
|
|
ledgerFile := flag.String("f", "ledger.ledger", "Ledger File")
|
|
priceDbFile := flag.String("p", "prices.db", "Price Database File")
|
|
flag.Parse()
|
|
|
|
commodities := GetCommodities(*ledgerFile)
|
|
|
|
pricedb, err := os.OpenFile(*priceDbFile, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
|
|
if err != nil {
|
|
log.Fatalf("Price database file access failed with %s\n", err)
|
|
}
|
|
defer pricedb.Close()
|
|
|
|
for _, c := range commodities {
|
|
priceString, err := GetPriceString(c)
|
|
if err != nil {
|
|
continue
|
|
}
|
|
pricedb.WriteString("P " + GetTimeString() + " " + c + " " + priceString + "\n")
|
|
}
|
|
}
|
|
|
|
func GetPriceString(ticker string) (string, error) {
|
|
resp, err := http.Get("https://api.worldtradingdata.com/api/v1/stock?symbol=" + ticker + "&api_token=demo")
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
defer resp.Body.Close()
|
|
|
|
body, err := ioutil.ReadAll(resp.Body)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
var f interface{}
|
|
json.Unmarshal(body, &f)
|
|
m := f.(map[string]interface{})
|
|
dataInterface := m["data"]
|
|
arr := dataInterface.([]interface{})
|
|
elem := arr[0]
|
|
ma := elem.(map[string]interface{})
|
|
priceInterface := ma["price"]
|
|
price := priceInterface.(string)
|
|
return "$" + price, nil
|
|
}
|
|
|
|
func GetTimeString() string {
|
|
return time.Now().Format("2006-01-02 15:04:05")
|
|
}
|
|
|
|
func GetCommodities(ledger string) []string {
|
|
cmd := exec.Command("ledger", "-f", ledger, "commodities")
|
|
out, err := cmd.Output()
|
|
if err != nil {
|
|
log.Fatalf("Ledger file commodity report failed with %s\n", err)
|
|
}
|
|
a := strings.Split(string(out), "\n")
|
|
sliceOut := a[:len(a)-1]
|
|
|
|
commodities := make([]string, 0)
|
|
for _, e := range sliceOut {
|
|
if IsTicker(e) {
|
|
commodities = append(commodities, e)
|
|
}
|
|
}
|
|
return commodities
|
|
}
|
|
|
|
func IsTicker(s string) bool {
|
|
for _, e := range s {
|
|
if (e < 'A' || e > 'Z') && (e < '0' || e > '9') {
|
|
return false
|
|
}
|
|
}
|
|
return true
|
|
}
|