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package currency |
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import ( |
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"encoding/json" |
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"fmt" |
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"io/ioutil" |
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"net/http" |
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"strconv" |
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"strings" |
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"github.com/FlameInTheDark/dtbot/bot" |
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) |
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// Data currency structure |
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type Data struct { |
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Date string `json:"Date"` |
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PreviousDate string `json:"PreviousDate"` |
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PreviousURL string `json:"PreviousURL"` |
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Timestamp string `json:"Timestamp"` |
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Currencies map[string]Currency `json:"Valute"` |
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} |
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// CurrencyCheck returns true if currency is real |
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func (d *Data) CurrencyCheck(currency string) bool { |
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if currency == "RUB" { |
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return true |
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} |
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if d.Currencies[currency].Value > 0 { |
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return true |
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} |
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return false |
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} |
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// Currency structure |
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type Currency struct { |
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ID string |
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NumCode string |
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CharCode string |
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Nominal int |
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Name string |
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Value float32 |
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Previous float32 |
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} |
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// GetCurrency returns string of parsed currency data |
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func GetCurrency(ctx *bot.Context) (response string) { |
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var ( |
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newData Data |
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args = ctx.Conf.Currency.Default |
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) |
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if len(ctx.Args) > 0 { |
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args = ctx.Args |
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} |
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resp, err := http.Get("https://www.cbr-xml-daily.ru/daily_json.js") |
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if err != nil { |
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response = fmt.Sprintf("API error: %v", err) |
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return |
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} |
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bbytes, berr := ioutil.ReadAll(resp.Body) |
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if berr != nil { |
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response = fmt.Sprintf("%v: %v", ctx.Loc("curr_resp_read_err"), berr) |
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return |
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} |
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jerr := json.Unmarshal(bbytes, &newData) |
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if jerr != nil { |
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response = fmt.Sprintf("%v: %v", ctx.Loc("curr_resp_parse_err"), jerr) |
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return |
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} |
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newData.Currencies["RUB"] = Currency{"R00000", "000", "RUB", 1, "Российский Рубль", 1, 1} |
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response = "" |
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// List of currencies |
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if args[0] == "list" { |
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ctx.MetricsCommand("currency", "list") |
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response = fmt.Sprintf("%v: ", ctx.Loc("available_currencies")) |
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for key := range newData.Currencies { |
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response = fmt.Sprintf("%v %v", response, key) |
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} |
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return |
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} |
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// TODO: i should complete currency converter |
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// Converting currencies |
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if len(args) > 3 && args[0] == "conv" { |
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ctx.MetricsCommand("currency", "conv") |
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count, err := strconv.ParseFloat(args[3], 64) |
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if err != nil { |
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response = fmt.Sprintf("%v: %v", ctx.Loc("error"), ctx.Loc("nan")) |
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return |
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} |
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if c1, ok1 := newData.Currencies[strings.ToUpper(args[1])]; ok1 { |
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if c2, ok2 := newData.Currencies[strings.ToUpper(args[2])]; ok2 { |
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cur1 := c1.Value / float32(c1.Nominal) |
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cur2 := c2.Value / float32(c2.Nominal) |
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//cur1Delta := 1 / cur1 |
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cur2Delta := 1 / cur2 |
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res := cur2Delta * (cur1 * float32(count)) |
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response = fmt.Sprintf("`%v %v = %0.2f %v`\n", args[3], args[1], res, args[2]) |
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} |
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} |
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return |
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} |
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ctx.MetricsCommand("currency", "main") |
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var arrow string |
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// Current currency |
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for _, arg := range args { |
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if newData.Currencies[arg].Value > 0 { |
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if newData.Currencies[arg].Value > newData.Currencies[arg].Previous { |
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arrow = "▲" |
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} else { |
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arrow = "▼" |
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} |
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response = fmt.Sprintf("%v%v\n`%v %v = %v RUB %v %0.2v`\n", |
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response, |
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newData.Currencies[arg].Name, |
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newData.Currencies[arg].Nominal, |
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newData.Currencies[arg].CharCode, |
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newData.Currencies[arg].Value, |
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arrow, |
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newData.Currencies[arg].Value-newData.Currencies[arg].Previous) |
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} |
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} |
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return |
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} |
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133
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FlameInTheDark /
dtbot
