snapshot before merge

write-go/internal/wechat/wechat.go

@@ -0,0 +1,80 @@
+package wechat
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"regexp"
+	"strings"
+
+	"write-server/internal/config"
+)
+
+type WechatStatus struct {
+	Configured bool   `json:"configured"`
+	AppID      string `json:"appId,omitempty"`
+}
+
+type WechatArticle struct {
+	Title            string `json:"title"`
+	Author           string `json:"author"`
+	Content          string `json:"content"`
+	ContentSourceURL string `json:"content_source_url,omitempty"`
+	ThumbMediaURL    string `json:"thumb_media_url,omitempty"`
+	ShowCoverPic     int    `json:"show_cover_pic"`
+	NeedOpenComment  int    `json:"need_open_comment"`
+}
+
+var imgRE = regexp.MustCompile(`!\[.*?\]\((.*?)\)`)
+
+func GetWechatStatus() WechatStatus {
+	return WechatStatus{
+		Configured: config.WECHAT_APP_ID != "" && config.WECHAT_APP_SECRET != "",
+		AppID:      config.WECHAT_APP_ID,
+	}
+}
+
+func MDRender(markdown, slug string) (string, []string) {
+	var imageURLs []string
+	matches := imgRE.FindAllStringSubmatch(markdown, -1)
+	for _, m := range matches {
+		if len(m) > 1 {
+		imageURLs = append(imageURLs, m[1])
+		}
+	}
+
+	html := strings.ReplaceAll(markdown, "\r\n", "\n")
+
+	h2RE := regexp.MustCompile(`(?m)^## (.+)$`)
+	html = h2RE.ReplaceAllString(html, `<h2>$1</h2>`)
+
+	boldRE := regexp.MustCompile(`\*\*(.+?)\*\*`)
+	html = boldRE.ReplaceAllString(html, `<strong>$1</strong>`)
+
+	html = imgRE.ReplaceAllString(html, `<img src="$1" />`)
+
+	linkRE := regexp.MustCompile(`\[(.+?)\]\((.+?)\)`)
+	html = linkRE.ReplaceAllString(html, `<a href="$2">$1</a>`)
+
+	html = `<div>` + html + `</div>`
+
+	return html, imageURLs
+}
+
+func SyncWechat(articles []WechatArticle) (map[string]interface{}, error) {
+	if config.SCF_PROXY == "" {
+		return nil, fmt.Errorf("SCF_PROXY not configured")
+	}
+	data, _ := json.Marshal(map[string]interface{}{"articles": articles})
+	resp, err := http.Post(config.SCF_PROXY+"/wechat/sync", "application/json", bytes.NewReader(data))
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+	body, _ := io.ReadAll(resp.Body)
+	var result map[string]interface{}
+	json.Unmarshal(body, &result)
+	return result, nil
+}