slack: webhookurl and sendSlack

- GetComponentStatus fix
- get main url from api definition for slack post
- fix run send slack

config.go

@@ -89,3 +89,9 @@ func getTemplateData(monitor *AbstractMonitor) map[string]interface{} {
 		"now":        time.Now().Format(monitor.config.DateFormat),
 	}
 }
+
+func MainUrl(cfg *CachetMonitor) string {
+	var url = cfg.API.URL
+	var index = strings.Index(url,"/api/")
+	return url[0:index]
+}

incident.go

@@ -4,6 +4,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"strconv"
+	"time"
 
 	"github.com/sirupsen/logrus"
 )
@@ -95,7 +96,7 @@ func (incident *Incident) Send(cfg *CachetMonitor) error {
 	}
 	// send slack message
 	if cfg.SlackWebhook != "" {
-		sendSlack(cfg)
+		incident.sendSlack(cfg)
 	}
 	return nil
 }
@@ -111,7 +112,7 @@ func (incident *Incident) GetComponentStatus(cfg *CachetMonitor) (int, error) {
 	}
 
 	var data struct {
-		Status int `json:"status,string"`
+		Status int `json:"status"`
 	}
 	if err := json.Unmarshal(body.Data, &data); err != nil {
 		return 0, fmt.Errorf("Cannot parse component body: %v. Err = %v", string(body.Data), err)
@@ -144,17 +145,17 @@ func (incident *Incident) SetFixed() {
 func (incident *Incident) sendSlack(cfg *CachetMonitor) {
 	color := "#bf1932" //red
 	if incident.ComponentStatus == 1 {
-
 		color = "#36a64f" //green
 	}
+	titleLink := MainUrl(cfg) + "/dashboard/incidents/" + strconv.Itoa(incident.ID)
 	slack := Slack{
-		WebhookUrl: cfg.SlackWebhook
+		WebhookURL: cfg.SlackWebhook,
 		Attachments: []Attachments{
 			Attachments{
 				Fallback:   incident.Name,
 				Color:      color,
 				Title:      incident.Name,
-				TitleLink:  "https://status.easyship.com",
+				TitleLink:  titleLink,
 				Text:       incident.Message,
 				Footer:     "Cachet Monitor",
 				FooterIcon: "https://i.imgur.com/spck1w6.png",
@@ -163,6 +164,6 @@ func (incident *Incident) sendSlack(cfg *CachetMonitor) {
 		}}
 	err := slack.SendSlackNotification()
 	if err != nil {
-		fmt.Errorf(err)
+		fmt.Errorf("Cannot send slack message. Err = %v", err)
 	}
 }

slack.go

@@ -10,7 +10,7 @@ import (
 )
 
 type Slack struct {
-	WebhookUrl  string
+	WebhookURL  string
 	Attachments []Attachments `json:"attachments"`
 }
 type Fields struct {
@@ -46,7 +46,7 @@ func test() {
 				Ts:         time.Now().Unix(),
 			},
 		}}
-	slack.WebhookUrl = "https://hooks.slack.com/services/0000000/00000000/xxxxxxxxxxxxxxxxxxx"
+	slack.WebhookURL = "https://hooks.slack.com/services/0000000/00000000/xxxxxxxxxxxxxxxxxxx"
 	err := slack.SendSlackNotification()
 	if err != nil {
 		log.Fatal(err)
@@ -58,7 +58,7 @@ func test() {
 func (slack *Slack) SendSlackNotification() error {
 
 	slackBody, _ := json.Marshal(slack)
-	req, err := http.NewRequest(http.MethodPost, slack.WebhookUrl, bytes.NewBuffer(slackBody))
+	req, err := http.NewRequest(http.MethodPost, slack.WebhookURL, bytes.NewBuffer(slackBody))
 	if err != nil {
 		return err
 	}