add pushover client

Author: Hongze Xia

pushover/client.go

@@ -0,0 +1,68 @@
+package pushover
+
+import (
+	"io/ioutil"
+	"log"
+	"net/http"
+	"net/url"
+)
+
+type (
+	// Client is the Pushover client
+	Client struct {
+		AppToken string
+		User     string
+	}
+
+	// Message is the request body for Pushover
+	// Not all fields have been implemented
+	// Please refer to https://pushover.net/api
+	Message struct {
+		Msg      string
+		Device   string
+		Title    string
+		URL      string
+		Priority int
+	}
+)
+
+var msgAPI = "https://api.pushover.net/1/messages.json"
+
+// Send sends a message to the queue
+func (c *Client) Send(msg *Message) {
+	if msg.Msg == "" {
+		log.Printf("can't send an empty message")
+		return
+	}
+	form := url.Values{
+		"token":   []string{c.AppToken},
+		"user":    []string{c.User},
+		"message": []string{msg.Msg},
+	}
+	if msg.Device != "" {
+		form.Add("device", msg.Device)
+	}
+	if msg.Title != "" {
+		form.Add("title", msg.Title)
+	}
+	if msg.URL != "" {
+		form.Add("url", msg.URL)
+	}
+	if msg.Priority != 0 {
+		form.Add("priority", string(msg.Priority))
+	}
+	resp, err := http.PostForm(msgAPI, form)
+	if err != nil {
+		log.Printf("failed sending message %v", err)
+		return
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode == http.StatusOK {
+		body, err := ioutil.ReadAll(resp.Body)
+		if err != nil {
+			log.Printf("failed reading resp body %v", err)
+			return
+		}
+		log.Printf("resp: %s", body)
+	}
+}