Proper error handling and better variable name

extractor/twitchExtractor.go

@@ -4,7 +4,6 @@ import (
 	"bytes"
 	"encoding/json"
 	"errors"
-	"fmt"
 	"io"
 	"log"
 	"net/http"
@@ -18,7 +17,7 @@ const twitchUrl = "https://gql.twitch.tv/gql"
 func call(url, method string, body io.Reader) (*http.Response, error) {
 	req, err := http.NewRequest(method, url, body)
 	if err != nil {
-		return req.Response, fmt.Errorf("Got error %s", err.Error())
+		return req.Response, err
 	}
 
 	req.Header.Add("Client-Id", "kimne78kx3ncx6brgo4mv6wki5h1ko")
@@ -92,36 +91,42 @@ func GetStreamerInfo(streamerName string) (structs.TwitchApiResponse, error) {
 			},
 		},
 	}
-
 	json_data, err := json.Marshal(payload)
-
 	if err != nil {
-		fmt.Errorf("err")
+		return structs.TwitchApiResponse{}, nil
 	}
+
 	resp, err := call(twitchUrl, "POST", bytes.NewBuffer(json_data))
 	if err != nil {
-		fmt.Errorf("y")
+		return structs.TwitchApiResponse{}, err
 	}
-	body, err := io.ReadAll(resp.Body)
+	defer resp.Body.Close()
 
-	var result []structs.TwitchApiResponse
-	err = json.Unmarshal(body, &result)
+	RespStatusHandler(resp.StatusCode)
+
+	body, err := io.ReadAll(resp.Body)
 	if err != nil {
-		log.Fatalln(err)
+		return structs.TwitchApiResponse{}, err
+	}
+
+	var twitchResponse []structs.TwitchApiResponse
+	err = json.Unmarshal(body, &twitchResponse)
+	if err != nil {
+		return structs.TwitchApiResponse{}, err
 	}
 
 	// begin parsing response
 	streamerFound := gjson.Get(string(body), "0.data.user")
 	if streamerFound.String() == "" {
-		return result[0], errors.New("streamer not found")
+		return twitchResponse[0], errors.New("streamer not found")
 	}
 
 	streamerData := gjson.Get(string(body), "0.data")
 	parsedSocials, err := ParseSocials(streamerData.String())
 	if err != nil {
-		return result[0], nil
+		return twitchResponse[0], nil
 	}
 	log.Println(parsedSocials)
 
-	return result[0], nil
+	return twitchResponse[0], nil
 }