diff --git a/cmd/currency.go b/cmd/currency.go new file mode 100644 index 0000000..1fbea3d --- /dev/null +++ b/cmd/currency.go @@ -0,0 +1,240 @@ +/* +Copyright © 2023 NAME HERE +*/ +package cmd + +import ( + "encoding/json" + "fmt" + "io" + "net/http" + "strconv" + "strings" + + "github.com/spf13/cobra" +) + +var currencies = []string{ + "USD", + "AED", + "AFN", + "ALL", + "AMD", + "ANG", + "AOA", + "ARS", + "AUD", + "AWG", + "AZN", + "BAM", + "BBD", + "BDT", + "BGN", + "BHD", + "BIF", + "BMD", + "BND", + "BOB", + "BRL", + "BSD", + "BTN", + "BWP", + "BYN", + "BZD", + "CAD", + "CDF", + "CHF", + "CLP", + "CNY", + "COP", + "CRC", + "CUP", + "CVE", + "CZK", + "DJF", + "DKK", + "DOP", + "DZD", + "EGP", + "ERN", + "ETB", + "EUR", + "FJD", + "FKP", + "FOK", + "GBP", + "GEL", + "GGP", + "GHS", + "GIP", + "GMD", + "GNF", + "GTQ", + "GYD", + "HKD", + "HNL", + "HRK", + "HTG", + "HUF", + "IDR", + "ILS", + "IMP", + "INR", + "IQD", + "IRR", + "ISK", + "JEP", + "JMD", + "JOD", + "JPY", + "KES", + "KGS", + "KHR", + "KID", + "KMF", + "KRW", + "KWD", + "KYD", + "KZT", + "LAK", + "LBP", + "LKR", + "LRD", + "LSL", + "LYD", + "MAD", + "MDL", + "MGA", + "MKD", + "MMK", + "MNT", + "MOP", + "MRU", + "MUR", + "MVR", + "MWK", + "MXN", + "MYR", + "MZN", + "NAD", + "NGN", + "NIO", + "NOK", + "NPR", + "NZD", + "OMR", + "PAB", + "PEN", + "PGK", + "PHP", + "PKR", + "PLN", + "PYG", + "QAR", + "RON", + "RSD", + "RUB", + "RWF", + "SAR", + "SBD", + "SCR", + "SDG", + "SEK", + "SGD", + "SHP", + "SLE", + "SLL", + "SOS", + "SRD", + "SSP", + "STN", + "SYP", + "SZL", + "THB", + "TJS", + "TMT", + "TND", + "TOP", + "TRY", + "TTD", + "TVD", + "TWD", + "TZS", + "UAH", + "UGX", + "UYU", + "UZS", + "VES", + "VND", + "VUV", + "WST", + "XAF", + "XCD", + "XDR", + "XOF", + "XPF", + "YER", + "ZAR", + "ZMW", + "ZWL", +} + +var api_url = "https://open.er-api.com/v6/latest/" + +type Response struct { + Rates map[string]float64 +} + +// unitsCmd represents the units command +var currencyCmd = &cobra.Command{ + Use: "currency", + Aliases: []string{"c", "money"}, + Short: "converts money", + Long: `converts monee`, + Args: cobra.MatchAll(cobra.ExactArgs(3), cobra.OnlyValidArgs), + ValidArgsFunction: func(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) { + if len(args) >= 2 { + return nil, cobra.ShellCompDirectiveNoFileComp + } + return getCurrencyNames(toComplete), cobra.ShellCompDirectiveNoFileComp + }, + RunE: func(cmd *cobra.Command, args []string) error { + currencyFrom := args[0] + currencyTo := args[1] + amount, err := strconv.ParseFloat(args[2], 64) + if err != nil { + return err + } + res, err := http.Get(api_url + currencyFrom) + if err != nil { + return err + } + defer res.Body.Close() + body, err := io.ReadAll(res.Body) + if err != nil { + return err + } + var response Response + json.Unmarshal(body, &response) + fmt.Println(response.Rates[currencyTo] * amount) + return nil + }, +} + +func getCurrencyNames(in string) []string { + out := []string{} + for _, name := range currencies { + if in == "" { + out = append(out, name) + } else { + if strings.HasPrefix(name, in) { + out = append(out, name) + } + } + } + return out +} + +func init() { + rootCmd.AddCommand(currencyCmd) +}