added Statping dedicated email notifier

notifiers/statping_emailer.go

@@ -0,0 +1,103 @@
+package notifiers
+
+import (
+	"bytes"
+	"encoding/json"
+	"errors"
+	"github.com/statping/statping/types/core"
+	"github.com/statping/statping/types/failures"
+	"github.com/statping/statping/types/notifications"
+	"github.com/statping/statping/types/notifier"
+	"github.com/statping/statping/types/services"
+	"github.com/statping/statping/utils"
+	"time"
+)
+
+var _ notifier.Notifier = (*statpingEmailer)(nil)
+
+const (
+	statpingEmailerName = "statping_emailer"
+	statpingEmailerHost = "https://news.statping.com"
+)
+
+type statpingEmailer struct {
+	*notifications.Notification
+}
+
+func (s *statpingEmailer) Select() *notifications.Notification {
+	return s.Notification
+}
+
+var statpingMailer = &statpingEmailer{&notifications.Notification{
+	Method:      statpingEmailerName,
+	Title:       "Statping Emailer",
+	Description: "Send an email when a service becomes offline or back online using Statping's email service.",
+	Author:      "Hunter Long",
+	AuthorUrl:   "https://github.com/hunterlong",
+	Delay:       time.Duration(10 * time.Second),
+	Icon:        "fab fa-slack",
+	RequestInfo: "Slack allows you to customize your own messages with many complex components. Checkout the <a target=\"_blank\" href=\"https://api.slack.com/reference/surfaces/formatting\">Slack Message API</a> to learn how you can create your own.",
+	Limits:      60,
+	Form: []notifications.NotificationForm{{
+		Type:        "email",
+		Title:       "Send to Email Address",
+		Placeholder: "Insert your email address",
+		DbField:     "Host",
+		Required:    true,
+	}}},
+}
+
+// Send will send a HTTP Post to the slack webhooker API. It accepts type: string
+func (s *statpingEmailer) sendStatpingEmail(msg statpingMail) (string, error) {
+	data, _ := json.Marshal(msg)
+	resp, _, err := utils.HttpRequest(statpingEmailerHost+"/notifier", "POST", "application/json", nil, bytes.NewBuffer(data), time.Duration(10*time.Second), true, nil)
+	if err != nil {
+		return "", err
+	}
+	return string(resp), nil
+}
+
+func (s *statpingEmailer) OnTest() (string, error) {
+	example := services.Example(true)
+	testMsg := ReplaceVars(s.SuccessData, example, nil)
+	contents, resp, err := utils.HttpRequest(s.Host, "POST", "application/json", nil, bytes.NewBuffer([]byte(testMsg)), time.Duration(10*time.Second), true, nil)
+	if err != nil {
+		return "", err
+	}
+	defer resp.Body.Close()
+	if string(contents) != "ok" {
+		return string(contents), errors.New("the slack response was incorrect, check the URL")
+	}
+	return string(contents), nil
+}
+
+type statpingMail struct {
+	Email   string            `json:"email"`
+	Core    *core.Core        `json:"core"`
+	Service *services.Service `json:"service"`
+	Failure *failures.Failure `json:"failure,omitempty"`
+}
+
+// OnFailure will trigger failing service
+func (s *statpingEmailer) OnFailure(srv *services.Service, f *failures.Failure) (string, error) {
+	ee := statpingMail{
+		Email:   s.Host,
+		Core:    core.App,
+		Service: srv,
+		Failure: f,
+	}
+	out, err := s.sendStatpingEmail(ee)
+	return out, err
+}
+
+// OnSuccess will trigger successful service
+func (s *statpingEmailer) OnSuccess(srv *services.Service) (string, error) {
+	ee := statpingMail{
+		Email:   s.Host,
+		Core:    core.App,
+		Service: srv,
+		Failure: nil,
+	}
+	out, err := s.sendStatpingEmail(ee)
+	return out, err
+}