feat(server): simple http server support

main.go

@@ -6,6 +6,7 @@ import (
 
 	"github.com/fengxxc/wechatmp2markdown/format"
 	"github.com/fengxxc/wechatmp2markdown/parse"
+	"github.com/fengxxc/wechatmp2markdown/server"
 )
 
 func main() {
@@ -15,8 +16,22 @@ func main() {
 	if len(args) <= 2 {
 		panic("not enough args")
 	}
-	url := args[1]
+	args1 := args[1]
-	filename := args[2]
+	args2 := args[2]
+
+	if args1 == "server" {
+		// server pattern
+		port := args2
+		if port == "" {
+			port = "8964"
+		}
+		server.Start(":" + port)
+		return
+	}
+
+	// cli pattern
+	url := args1
+	filename := args2
 	fmt.Printf("url: %s, filename: %s\n", url, filename)
 	var articleStruct parse.Article = parse.ParseFromURL(url)
 	format.FormatAndSave(articleStruct, filename)

server/server.go

@@ -0,0 +1,33 @@
+package server
+
+import (
+	"fmt"
+	"log"
+	"net/http"
+
+	"github.com/fengxxc/wechatmp2markdown/format"
+	"github.com/fengxxc/wechatmp2markdown/parse"
+)
+
+func Start(addr string) {
+	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+		wechatmpURL := r.FormValue("url")
+		if wechatmpURL == "" {
+			w.WriteHeader(http.StatusBadRequest)
+			w.Write([]byte("param 'url' must not be empty. please put in a wechatmp URL and try again."))
+			return
+		}
+		w.Header().Set("Content-Type", "application/octet-stream")
+		var articleStruct parse.Article = parse.ParseFromURL(wechatmpURL)
+		title := articleStruct.Title.Val.(string)
+		w.Header().Set("Content-Disposition", "attachment; filename="+title+".md")
+		var mdString string = format.Format(articleStruct)
+		w.Write([]byte(mdString))
+		return
+	})
+
+	fmt.Printf("wechatmp2markdown server listening on %s\n", addr)
+	if err := http.ListenAndServe(addr, nil); err != nil {
+		log.Fatal(err)
+	}
+}