mirror of
https://github.com/taigrr/wtf
synced 2025-01-18 04:03:14 -08:00
151 lines
2.9 KiB
Go
151 lines
2.9 KiB
Go
package price
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import (
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"encoding/json"
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"fmt"
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"net/http"
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"sync"
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"time"
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)
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var baseURL = "https://min-api.cryptocompare.com/data/price"
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var ok = true
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// Widget define wtf widget to register widget later
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type Widget struct {
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*list
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settings *Settings
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Result string
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RefreshInterval int
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}
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// NewWidget Make new instance of widget
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func NewWidget(settings *Settings) *Widget {
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widget := Widget{
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settings: settings,
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}
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widget.setList()
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return &widget
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}
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func (widget *Widget) setList() {
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widget.list = &list{}
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for symbol, currency := range widget.settings.currencies {
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toList := widget.getToList(symbol)
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widget.list.addItem(symbol, currency.displayName, toList)
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}
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}
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/* -------------------- Exported Functions -------------------- */
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// Refresh & update after interval time
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func (widget *Widget) Refresh(wg *sync.WaitGroup) {
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if len(widget.list.items) != 0 {
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widget.updateCurrencies()
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if !ok {
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widget.Result = "Please check your internet connection"
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} else {
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widget.display()
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}
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}
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wg.Done()
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}
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/* -------------------- Unexported Functions -------------------- */
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func (widget *Widget) display() {
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str := ""
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for _, item := range widget.list.items {
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str += fmt.Sprintf(
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" [%s]%s[%s] (%s)\n",
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widget.settings.colors.from.name,
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item.displayName,
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widget.settings.colors.from.name,
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item.name,
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)
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for _, toItem := range item.to {
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str += fmt.Sprintf(
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"\t[%s]%s: [%s]%f\n",
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widget.settings.colors.to.name,
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toItem.name,
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widget.settings.colors.to.price,
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toItem.price,
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)
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}
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str += "\n"
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}
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widget.Result = fmt.Sprintf("\n%s", str)
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}
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func (widget *Widget) getToList(symbol string) []*toCurrency {
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var toList []*toCurrency
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for _, to := range widget.settings.currencies[symbol].to {
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toList = append(toList, &toCurrency{
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name: to.(string),
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price: 0,
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})
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}
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return toList
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}
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func (widget *Widget) updateCurrencies() {
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defer func() {
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if r := recover(); r != nil {
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fmt.Println("recovered in updateSummary()", r)
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}
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}()
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for _, fromCurrency := range widget.list.items {
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var (
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client http.Client
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jsonResponse cResponse
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)
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client = http.Client{
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Timeout: 5 * time.Second,
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}
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request := makeRequest(fromCurrency)
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response, err := client.Do(request)
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if err != nil {
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ok = false
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} else {
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ok = true
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}
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defer func() { _ = response.Body.Close() }()
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_ = json.NewDecoder(response.Body).Decode(&jsonResponse)
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setPrices(&jsonResponse, fromCurrency)
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}
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}
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func makeRequest(currency *fromCurrency) *http.Request {
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tsyms := ""
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for _, to := range currency.to {
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tsyms += fmt.Sprintf("%s,", to.name)
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}
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url := fmt.Sprintf("%s?fsym=%s&tsyms=%s", baseURL, currency.name, tsyms)
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request, _ := http.NewRequest("GET", url, nil)
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return request
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}
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func setPrices(response *cResponse, currencry *fromCurrency) {
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for idx, toCurrency := range currencry.to {
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currencry.to[idx].price = (*response)[toCurrency.name]
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}
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}
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