Add command to query price of gold

Author: rcy

Makefile

@@ -1,3 +1,5 @@
+export BUILDKIT_PROGRESS=plain
+
 include .env
 
 watch:
@@ -20,4 +22,3 @@ build:
 
 run:
 	docker run --env-file=.env -e SQLITE_DB=:memory: annie
-

handlers/gold/gold.go

@@ -0,0 +1,69 @@
+package gold
+
+import (
+	"encoding/json"
+	"fmt"
+	"goirc/bot"
+	"net/http"
+	"os"
+)
+
+type response struct {
+	Timestamp      int     `json:"timestamp"`
+	Metal          string  `json:"metal"`
+	Currency       string  `json:"currency"`
+	Exchange       string  `json:"exchange"`
+	Symbol         string  `json:"symbol"`
+	PrevClosePrice float64 `json:"prev_close_price"`
+	OpenPrice      float64 `json:"open_price"`
+	LowPrice       float64 `json:"low_price"`
+	HighPrice      float64 `json:"high_price"`
+	OpenTime       int     `json:"open_time"`
+	Price          float64 `json:"price"`
+	Ch             float64 `json:"ch"`
+	Chp            float64 `json:"chp"`
+	Ask            float64 `json:"ask"`
+	Bid            float64 `json:"bid"`
+	PriceGram24K   float64 `json:"price_gram_24k"`
+	PriceGram22K   float64 `json:"price_gram_22k"`
+	PriceGram21K   float64 `json:"price_gram_21k"`
+	PriceGram20K   float64 `json:"price_gram_20k"`
+	PriceGram18K   float64 `json:"price_gram_18k"`
+	PriceGram16K   float64 `json:"price_gram_16k"`
+	PriceGram14K   float64 `json:"price_gram_14k"`
+	PriceGram10K   float64 `json:"price_gram_10k"`
+}
+
+func getGoldPrice(token string) (float64, error) {
+	url := "https://www.goldapi.io/api/XAU/CAD"
+	req, err := http.NewRequest("GET", url, nil)
+	if err != nil {
+		return 0.0, err
+	}
+	req.Header.Set("x-access-token", token)
+
+	client := &http.Client{}
+	resp, err := client.Do(req)
+	if err != nil {
+		return 0.0, err
+	}
+	defer resp.Body.Close()
+
+	var obj response
+	json.NewDecoder(resp.Body).Decode(&obj)
+
+	fmt.Printf("Price: %f\n", obj.Price)
+
+	return obj.Price, nil
+}
+
+func Handle(params bot.HandlerParams) error {
+	price, err := getGoldPrice(os.Getenv("GOLD_API_TOKEN"))
+	if err != nil {
+		return err
+	}
+
+	params.Privmsgf(params.Target, "gold is $%.2f / oz t.", price)
+
+	return nil
+}

handlers/gold/gold_test.go

@@ -0,0 +1,15 @@
+package gold
+
+import (
+	"os"
+	"testing"
+)
+
+func TestGetGoldPrice(t *testing.T) {
+	var token = os.Getenv("GOLD_API_TOKEN")
+	price, err := getGoldPrice(token)
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Logf("Price: %f\n", price)
+}

main.go

@@ -6,6 +6,7 @@ import (
 	"goirc/handlers"
 	"goirc/handlers/day"
 	"goirc/handlers/epigram"
+	"goirc/handlers/gold"
 	"goirc/handlers/kinfonet"
 	"goirc/handlers/mlb"
 	"goirc/handlers/weather"
@@ -93,4 +94,5 @@ func addHandlers(b *bot.Bot) {
 	b.Handle(`^!w$`, weather.Handle)
 	b.Handle(`^!xweather (.+)$`, weather.XHandle)
 	b.Handle(`^!k`, kinfonet.TodaysQuoteHandler)
+	b.Handle(`^!gold`, gold.Handle)
 }