feat: add github hot project api

connectors/github-top/github-top.go

@@ -0,0 +1,79 @@
+package GithubTop
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"regexp"
+	"strconv"
+	"strings"
+)
+
+type Repository struct {
+	Name  string `json:"name"`
+	Stars int    `json:"stargazers_count"`
+}
+
+func GetGitHubTopItem(userWant int) (string, error) {
+	url := "https://api.github.com/search/repositories?q=stars:%3E1&sort=stars&order=desc"
+
+	req, err := http.NewRequest("GET", url, nil)
+	if err != nil {
+		return "", fmt.Errorf("create request failed, err: %v", err)
+	}
+
+	req.Header.Set("Accept", "application/vnd.github.v3+json")
+	req.Header.Set("User-Agent", "Go-GitHub-Client")
+
+	client := &http.Client{}
+	resp, err := client.Do(req)
+	if err != nil {
+		return "", fmt.Errorf("send request failed, err: %v", err)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		return "", fmt.Errorf("request failed, status code: %d", resp.StatusCode)
+	}
+
+	var result struct {
+		Items []Repository `json:"items"`
+	}
+
+	err = json.NewDecoder(resp.Body).Decode(&result)
+	if err != nil {
+		return "", fmt.Errorf("JSON decode failed, err: %v", err)
+	}
+
+	count := len(result.Items)
+	if count == 0 {
+		return "", fmt.Errorf("no result")
+	}
+
+	if userWant > count {
+		userWant = count
+	}
+
+	tpl := []string{fmt.Sprintf("GitHub Top %d Repositories", userWant)}
+	for i := 0; i < userWant; i++ {
+		repo := result.Items[i]
+		tpl = append(tpl, fmt.Sprintf("%d. %s - 星标：%d", i+1, repo.Name, repo.Stars))
+	}
+
+	return strings.Join(tpl, "\n"), nil
+}
+
+func HandleUserPrompt(userInput string) string {
+	re := regexp.MustCompile(`\d+`)
+	str := re.FindString(userInput)
+	num, err := strconv.ParseInt(str, 10, 64)
+	if err != nil {
+		return fmt.Sprintf("Error occured while parsing: %v", err)
+	}
+
+	ret, err := GetGitHubTopItem(int(num))
+	if err != nil {
+		return fmt.Sprintf("Error occured while fetching data: %v", err)
+	}
+	return ret
+}