gopl-zh.github.com/vendor/gopl.io/ch4/github/search.go
2015-12-09 15:57:17 +08:00

54 lines
1.3 KiB
Go

// Copyright © 2016 Alan A. A. Donovan & Brian W. Kernighan.
// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
//!+
package github
import (
"encoding/json"
"fmt"
"net/http"
"net/url"
"strings"
)
// SearchIssues queries the GitHub issue tracker.
func SearchIssues(terms []string) (*IssuesSearchResult, error) {
q := url.QueryEscape(strings.Join(terms, " "))
resp, err := http.Get(IssuesURL + "?q=" + q)
if err != nil {
return nil, err
}
//!-
// For long-term stability, instead of http.Get, use the
// variant below which adds an HTTP request header indicating
// that only version 3 of the GitHub API is acceptable.
//
// req, err := http.NewRequest("GET", IssuesURL+"?q="+q, nil)
// if err != nil {
// return nil, err
// }
// req.Header.Set(
// "Accept", "application/vnd.github.v3.text-match+json")
// resp, err := http.DefaultClient.Do(req)
//!+
// We must close resp.Body on all execution paths.
// (Chapter 5 presents 'defer', which makes this simpler.)
if resp.StatusCode != http.StatusOK {
resp.Body.Close()
return nil, fmt.Errorf("search query failed: %s", resp.Status)
}
var result IssuesSearchResult
if err := json.NewDecoder(resp.Body).Decode(&result); err != nil {
resp.Body.Close()
return nil, err
}
resp.Body.Close()
return &result, nil
}
//!-