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@msmhrt
Last active April 5, 2023 18:15
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// The following code is a result of GPT-4: Use with caution
//
// prompt:
// このソースコードにエラー処理とコメントを適切に追加し、各関数の先頭でその関数のサイクロマティック複雑度をコメントしてください。ソースコードを出力した後にソースコードについて説明する必要はありません。
package main
import (
"flag"
"fmt"
"io/ioutil"
"net/http"
"os"
"regexp"
"strings"
"sync"
"time"
"github.com/BurntSushi/toml"
)
type Config struct {
UsernameToID map[string]string
}
var config Config
func main() {
homeDir, err := os.UserHomeDir()
if err != nil {
fmt.Println("Error getting home directory:", err)
return
}
_, err = toml.DecodeFile(homeDir+"/.peactivity", &config)
if err != nil {
fmt.Println("Error decoding config file:", err)
return
}
help := flag.Bool("h", false, "")
debug := flag.Bool("d", false, "")
flag.Parse()
args := flag.Args()
var wg sync.WaitGroup
sem := make(chan struct{}, 4)
results := make([]string, len(args))
for i, input := range args {
wg.Add(1)
sem <- struct{}{}
go func(index int, input string) {
defer func() {
wg.Done()
<-sem
}()
var userID string
if isProfileURL(input) {
userID = extractUserIDFromURL(input)
} else if isUserID(input) {
userID = input
} else {
userID, err = findUserIDByUsername(input)
if err != nil {
fmt.Printf("Error finding user ID by username: %v\n", err)
return
}
}
profileURL := generateProfileURL(userID)
activity, err := fetchUserActivity(profileURL, *debug)
if err != nil {
fmt.Printf("Error fetching user activity: %v\n", err)
return
}
results[index] = fmt.Sprintf("User %s: Activity %d", userID, activity)
}(i, input)
}
wg.Wait()
for _, result := range results {
fmt.Println(result)
}
}
// isProfileURL: Cyclomatic complexity = 1
func isProfileURL(input string) bool {
return strings.HasPrefix(input, "http://") || strings.HasPrefix(input, "https://")
}
// isUserID: Cyclomatic complexity = 1
func isUserID(input string) bool {
return regexp.MustCompile(`^[1-9][0-9]*$`).MatchString(input)
}
// findUserIDByUsername: Cyclomatic complexity = 3
func findUserIDByUsername(username string) (string, error) {
lowerUsername := strings.ToLower(username)
var matchedUsernames []string
for key, value := range config.UsernameToID {
if strings.HasPrefix(strings.ToLower(key), lowerUsername) {
matchedUsernames = append(matchedUsernames, fmt.Sprintf("%s (%s)", key, value))
}
}
if len(matchedUsernames) == 0 {
return "", fmt.Errorf("no matching usernames found")
}
return config.UsernameToID[matchedUsernames[0]], nil
}
// extractUserIDFromURL: Cyclomatic complexity = 1
func extractUserIDFromURL(url string) string {
re := regexp.MustCompile(`(?:http|https)://example.com/profile/([1-9][0-9]*)`)
return re.FindStringSubmatch(url)[1]
}
// generateProfileURL: Cyclomatic complexity = 1
func generateProfileURL(userID string) string {
return fmt.Sprintf("https://example.com/profile/%s", userID)
}
// fetchUserActivity: Cyclomatic complexity = 3
func fetchUserActivity(profileURL string, debug bool) (int, error) {
client := http.Client{
Timeout: time.Duration(10 * time.Second),
}
resp, err := client.Get(profileURL)
if err != nil {
return 0, fmt.Errorf("error fetching profile page: %v", err)
}
defer resp.Body.Close()
activity, err := parseActivityFromProfile(resp.Body)
if err != nil {
return 0, fmt.Errorf("error parsing activity from profile: %v", err)
}
if debug {
fmt.Printf("[DEBUG] Fetched activity %d for profile %s\n", activity, profileURL)
}
return activity, nil
}
// parseActivityFromProfile: Cyclomatic complexity = 2
func parseActivityFromProfile(body io.ReadCloser) (int, error) {
bodyBytes, err := ioutil.ReadAll(body)
if err != nil {
return 0, fmt.Errorf("error reading profile body: %v", err)
}
bodyString := string(bodyBytes)
// Implement the parsing logic to extract user activity from the profile page
// This function should return the activity as an integer.
return 0, nil
}
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