move providers into providers subdirectory

providers/staticjsonYahooFinance/chart.go

@@ -0,0 +1,83 @@
+package staticjsonYahooFinance
+
+import (
+	"fmt"
+	"net/url"
+)
+
+type chart struct {
+	Chart struct {
+		Result []struct {
+			Meta struct {
+				Currency             string  `json:"currency"`
+				Symbol               string  `json:"symbol"`
+				ExchangeName         string  `json:"exchangeName"`
+				InstrumentType       string  `json:"instrumentType"`
+				FirstTradeDate       int     `json:"firstTradeDate"`
+				RegularMarketTime    int     `json:"regularMarketTime"`
+				Gmtoffset            int     `json:"gmtoffset"`
+				Timezone             string  `json:"timezone"`
+				ExchangeTimezoneName string  `json:"exchangeTimezoneName"`
+				RegularMarketPrice   float64 `json:"regularMarketPrice"`
+				ChartPreviousClose   float64 `json:"chartPreviousClose"`
+				PreviousClose        float64 `json:"previousClose"`
+				Scale                int     `json:"scale"`
+				PriceHint            int     `json:"priceHint"`
+				CurrentTradingPeriod struct {
+					Pre struct {
+						Timezone  string `json:"timezone"`
+						Start     int    `json:"start"`
+						End       int    `json:"end"`
+						Gmtoffset int    `json:"gmtoffset"`
+					} `json:"pre"`
+					Regular struct {
+						Timezone  string `json:"timezone"`
+						Start     int    `json:"start"`
+						End       int    `json:"end"`
+						Gmtoffset int    `json:"gmtoffset"`
+					} `json:"regular"`
+					Post struct {
+						Timezone  string `json:"timezone"`
+						Start     int    `json:"start"`
+						End       int    `json:"end"`
+						Gmtoffset int    `json:"gmtoffset"`
+					} `json:"post"`
+				} `json:"currentTradingPeriod"`
+				TradingPeriods [][]struct {
+					Timezone  string `json:"timezone"`
+					Start     int    `json:"start"`
+					End       int    `json:"end"`
+					Gmtoffset int    `json:"gmtoffset"`
+				} `json:"tradingPeriods"`
+				DataGranularity string   `json:"dataGranularity"`
+				Range           string   `json:"range"`
+				ValidRanges     []string `json:"validRanges"`
+			} `json:"meta"`
+			Timestamp  []int `json:"timestamp"`
+			Indicators struct {
+				Quote []struct {
+					Volume []any `json:"volume"`
+					High   []any `json:"high"`
+					Close  []any `json:"close"`
+					Open   []any `json:"open"`
+					Low    []any `json:"low"`
+				} `json:"quote"`
+			} `json:"indicators"`
+		} `json:"result"`
+		Error any `json:"error"`
+	} `json:"chart"`
+}
+
+func (c client) getChart(symbol string) (int, error) {
+	chartResponse := &chart{}
+	err := c.get(fmt.Sprintf("/chart/%s", symbol), chartResponse, url.Values{})
+	if err != nil {
+		return 0, fmt.Errorf("http get request error: %v", err)
+	}
+
+	if len(chartResponse.Chart.Result) != 1 {
+		return 0, fmt.Errorf("unexpected length of results - expected 1 but got %d", len(chartResponse.Chart.Result))
+	}
+
+	return int(chartResponse.Chart.Result[0].Meta.RegularMarketPrice * 1000), nil
+}