media navitation and list move to seperate file

download.go

 package main
 
 import (
-	"bytes"
 	"encoding/json"
 	"fmt"
 	"io"
 	return
 }
 
-func contentType2MediaType(contentType string) (mediaType string) {
-	switch contentType {
-	case "image/jpeg":
-		mediaType = "image"
-	case "text/plain":
-		mediaType = "json"
-	}
-	return
-}
-
 //{"video_url":"http://153.37.232.145/vweixinp.tc.qq.com/1007_6475d21fb443453b8adeac7e59cc0e1c.f10.mp4?vkey=E79C6B0DA06E7A434D15E24774F91412386D1956768C400AC93ECA5320ACAAAF050E1E1BA5C22DFD81B5EE3FBA97E928E0FC2DC597CF611B3E6641BC1AEE2892736FFE29E993F200AA4A0811FEB4E234C48516131207DDE4&sha=0&save=1"}
 type videoURL struct {
 	VideoURL string `json:"video_url"`
 	}
 	return ""
 }
-
-func getNewList() (jstr string) {
-
-	var jsonStr = []byte(`{"type":"news", "offset":0, "count":20}`)
-	u := url4NewsList()
-	req, err := http.NewRequest("POST", u, bytes.NewBuffer(jsonStr))
-	log.Println(u)
-	if err != nil {
-		return ""
-	}
-
-	client := &http.Client{}
-	r, err := client.Do(req)
-	if err != nil {
-		return ""
-	}
-	defer r.Body.Close()
-	b, _ := ioutil.ReadAll(r.Body)
-	jstr = string(b)
-	return
-}
-
-func url4NewsList() string {
-	atk, _ := GetAccessToken()
-	u := fmt.Sprintf("https://api.weixin.qq.com/cgi-bin/material/batchget_material?access_token=%s", atk)
-	return u
-}

medialist.go

+package main
+
+import (
+	"bytes"
+	"fmt"
+	"io/ioutil"
+	"log"
+	"net/http"
+)
+
+type mediaQuery struct {
+	Type    string `json:"type"`
+	Offiset string `json:"offset"`
+	Count   int    `json:"count"`
+}
+
+type mediaCount struct {
+	VoiceCount int64 `json:"voice_count"`
+	VideoCount int64 `json:"video_count"`
+	ImageCount int64 `json:"image_count"`
+	NewsCount  int64 `json:"news_count"`
+}
+
+func getNewList() (jstr string) {
+	jstr = getMediaList("news")
+	return
+}
+
+func getMediaList(mediaType string) (jstr string) {
+	var jsonStr = []byte(`{"type":mediaType, "offset":0, "count":20}`)
+	u := url4NewsList()
+	req, err := http.NewRequest("POST", u, bytes.NewBuffer(jsonStr))
+	log.Println(u)
+	if err != nil {
+		return ""
+	}
+
+	client := &http.Client{}
+	r, err := client.Do(req)
+	if err != nil {
+		return ""
+	}
+	defer r.Body.Close()
+	b, _ := ioutil.ReadAll(r.Body)
+	jstr = string(b)
+	return
+}
+
+func url4NewsList() string {
+	atk, _ := GetAccessToken()
+	u := fmt.Sprintf("https://api.weixin.qq.com/cgi-bin/material/batchget_material?access_token=%s", atk)
+	return u
+}
+
+func url4MediaCount() string {
+	atk, _ := GetAccessToken()
+	u := fmt.Sprintf("https://api.weixin.qq.com/cgi-bin/material/get_materialcount?access_token=%s", atk)
+	return u
+}