add wolframalpha command

cmd/nourybot/commands.go

@@ -200,6 +200,8 @@ func (app *application) handleCommand(message twitch.PrivateMessage) {
 		case "location":
 			app.SetUserLocation(message)
 		}
+	case "wa":
+		reply = app.WolframAlphaQuery(message.Message[5:len(message.Message)])
 
 		// --------------------------------
 		// 100 user level

cmd/nourybot/main.go

@@ -24,6 +24,7 @@ type config struct {
 	twitchClientId     string
 	twitchClientSecret string
 	twitchID           string
+	wolframAlphaAppID  string
 	commandPrefix      string
 	env                string
 	db                 struct {
@@ -42,6 +43,7 @@ type application struct {
 	Models       data.Models
 	Scheduler    *cron.Cron
 	Environment  string
+	Config       config
 	// Rdb       *redis.Client
 }
 
@@ -71,6 +73,7 @@ func main() {
 	cfg.twitchOauth = os.Getenv("TWITCH_OAUTH")
 	cfg.twitchClientId = os.Getenv("TWITCH_CLIENT_ID")
 	cfg.twitchClientSecret = os.Getenv("TWITCH_CLIENT_SECRET")
+	cfg.wolframAlphaAppID = os.Getenv("WOLFRAMALPHA_APP_ID")
 	cfg.commandPrefix = os.Getenv("TWITCH_COMMAND_PREFIX")
 	cfg.twitchID = os.Getenv("TWITCH_ID")
 	cfg.env = os.Getenv("ENV")
@@ -125,6 +128,7 @@ func main() {
 		Db:           db,
 		Models:       data.NewModels(db),
 		Scheduler:    cron.New(),
+		Config:       cfg,
 		Environment:  cfg.env,
 	}
 

cmd/nourybot/wolframalpha.go

@@ -0,0 +1,29 @@
+package main
+
+import (
+	"fmt"
+	"io"
+	"net/http"
+	"net/url"
+)
+
+func (app *application) WolframAlphaQuery(query string) string {
+	escaped := url.QueryEscape(query)
+	url := fmt.Sprintf("http://api.wolframalpha.com/v1/result?appid=%s&i=%s", app.Config.wolframAlphaAppID, escaped)
+
+	resp, err := http.Get(url)
+	if err != nil {
+		return ""
+	}
+
+	defer resp.Body.Close()
+
+	body, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return ""
+	}
+
+	reply := string(body)
+	return reply
+
+}