add line api

module/apis/line/line.go

@@ -0,0 +1,104 @@
+package line
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"net/url"
+
+	"git.trj.tw/golang/mtfosbot/module/apis"
+	"git.trj.tw/golang/mtfosbot/module/config"
+)
+
+type TextMessage struct {
+	Type string `json:"type"`
+	Text string `json:"text"`
+}
+type ImageMessage struct {
+	Type               string `json:"type"`
+	OriginalContentUrl string `json:"originalContentUrl"`
+	PreviewImageUrl    string `json:"previewImageUrl"`
+}
+
+type pushBody struct {
+	To       string        `json:"to"`
+	Messages []interface{} `json:"messages"`
+}
+type replyBody struct {
+	ReplyToken string        `json:"replyToken"`
+	Messages   []interface{} `json:"messages"`
+}
+
+var baseUrl = "https://api.line.me/"
+
+func getUrl(p string) (string, bool) {
+	u, err := url.Parse(baseUrl)
+	if err != nil {
+		return "", false
+	}
+	ref, err := u.Parse(p)
+	if err != nil {
+		return "", false
+	}
+	str := ref.String()
+	return str, true
+}
+
+func getHeaders() map[string]string {
+	m := make(map[string]string)
+	conf := config.GetConf()
+	m["Content-Type"] = "application/json"
+	m["Authorization"] = fmt.Sprintf("Bearer %s", conf.Line.Access)
+	return m
+}
+
+// PushMessage -
+func PushMessage(target string, message interface{}) {
+	url := "/v2/bot/message/push"
+
+	body := &pushBody{
+		To: target,
+	}
+
+	switch message.(type) {
+	case ImageMessage:
+		break
+	case TextMessage:
+		break
+	default:
+		return
+	}
+	body.Messages = append(body.Messages, message)
+	dataByte, err := json.Marshal(body)
+	if err != nil {
+		fmt.Println("json encoding error")
+		return
+	}
+
+	byteReader := bytes.NewReader(dataByte)
+
+	apiUrl, ok := getUrl(url)
+	if !ok {
+		fmt.Println("url parser fail")
+		return
+	}
+
+	reqObj := apis.RequestObj{
+		Method:  "POST",
+		Url:     apiUrl,
+		Headers: getHeaders(),
+		Body:    byteReader,
+	}
+
+	req, err := apis.GetRequest(reqObj)
+	if err != nil {
+		return
+	}
+
+	_, err = http.DefaultClient.Do(req)
+	if err != nil {
+		fmt.Println("post api fail")
+		return
+	}
+}