Deletion of notification services.

main.go

@@ -155,6 +155,7 @@ func main() { // {{{
 	service.Register("/configuration/timezone", false, false, actionConfigurationTimezone)
 	service.Register("/configuration/notification", false, false, pageConfigurationNotification)
 	service.Register("/configuration/notification/update/{prio}", false, false, actionConfigurationNotificationUpdate)
+	service.Register("/configuration/notification/delete/{prio}", false, false, actionConfigurationNotificationDelete)
 	service.Register("/entry/{datapoint}", false, false, actionEntryDatapoint)
 
 	go nodataLoop()
@@ -1085,7 +1086,8 @@ func pageConfigurationNotification(w http.ResponseWriter, r *http.Request, _ *se
 	var service notification.Service
 	if notificationType != "" {
 		// Create a new instance of the selected notification type.
-		service = notification.GetInstance(notificationType)
+		service = notification.NewInstance(notificationType)
+		logger.Info("FOO", "service", fmt.Sprintf("%p %#v\n", service, service))
 	} else {
 		// Find the existing service for editing.
 		prio, err := strconv.Atoi(prioStr)
@@ -1138,7 +1140,7 @@ func actionConfigurationNotificationUpdate(w http.ResponseWriter, r *http.Reques
 	// prio -1 means a new service, not existing in database.
 	var svc *notification.Service
 	if prio == -1 {
-		emptyService := notification.GetInstance(r.PostFormValue("type"))
+		emptyService := notification.NewInstance(r.PostFormValue("type"))
 		svc = &emptyService
 	} else {
 		svc = notificationManager.GetService(prio)
@@ -1178,3 +1180,17 @@ func actionConfigurationNotificationUpdate(w http.ResponseWriter, r *http.Reques
 	w.Header().Add("Location", "/configuration")
 	w.WriteHeader(302)
 } // }}}
+func actionConfigurationNotificationDelete(w http.ResponseWriter, r *http.Request, _ *session.T) { // {{{
+	prioStr := r.PathValue("prio")
+	prio, err := strconv.Atoi(prioStr)
+	if err != nil {
+		pageError(w, "/configuration", werr.Wrap(err).Log())
+		return
+	}
+
+	DeleteNotificationService(prio)
+	notificationManager.RemoveService(prio)
+
+	w.Header().Add("Location", "/configuration")
+	w.WriteHeader(302)
+} // }}}

notification/factory.go

@@ -37,6 +37,16 @@ func ServiceFactory(t string, config []byte, prio int, ackURL string, logger *sl
 	return nil, werr.New("Unknown notification service, '%s'", t).WithCode("002-0000")
 }
 
+func NewInstance(typ string) Service {
+	switch typ {
+	case "NTFY":
+		return new(NTFY)
+	case "SCRIPT":
+		return new(Script)
+	}
+	return nil
+}
+
 func GetInstance(typ string) Service {
 	for _, svc := range allServices {
 		if strings.ToLower(svc.GetType()) == strings.ToLower(typ) {

notification/pkg.go

@@ -60,6 +60,12 @@ func (nm *Manager) GetService(prio int) *Service {
 	return nil
 }
 
+func (nm *Manager) RemoveService(prioToRemove int) {
+	nm.services = slices.DeleteFunc(nm.services, func(svc Service) bool {
+		return svc.GetPrio() == prioToRemove
+	})
+}
+
 func (nm *Manager) Send(problemID int, msg []byte, fn func(*Service, error)) (err error) {
 	for i, service := range nm.services {
 		nm.logger.Info("notification", "service", service.GetType(), "prio", service.GetPrio())

notification/script.go

@@ -95,6 +95,8 @@ func (script Script) Send(problemID int, msg []byte) (err error) {
 
 func (script *Script) Update(values url.Values) (err error) {
 	updated := Script{}
+	script.updated = &updated
+
 	updated.Prio, err = strconv.Atoi(values.Get("prio"))
 	if err != nil {
 		return werr.Wrap(err)
@@ -105,8 +107,6 @@ func (script *Script) Update(values url.Values) (err error) {
 		return werr.New("Filename cannot be empty")
 	}
 	updated.Filename = strings.TrimSpace(givenFilename)
-
-	script.updated = &updated
 	return
 }
 

notification_manager.go

@@ -116,6 +116,22 @@ func UpdateNotificationService(svc notification.Service) (created bool, err erro
 	}
 	return
 } // }}}
+func DeleteNotificationService(prio int) (err error) { // {{{
+	_, err = service.Db.Conn.Exec(
+		`
+		DELETE FROM public.notification
+		WHERE
+			prio = $1
+
+		`,
+		prio,
+	)
+
+	if err != nil {
+		return werr.Wrap(err).WithData(struct{ Prio int }{prio})
+	}
+	return
+} // }}}
 
 func AcknowledgeNotification(uuid string) (err error) { // {{{
 	/*

static/css/default_light/configuration.css

@@ -26,7 +26,7 @@
 }
 #services {
   display: grid;
-  grid-template-columns: repeat(3, min-content);
+  grid-template-columns: repeat(4, min-content);
   gap: 10px 24px;
   background-color: #2979b8;
   width: min-content;
@@ -41,3 +41,6 @@
 #services div {
   white-space: nowrap;
 }
+#services img.delete {
+  height: 16px;
+}

static/css/gruvbox/configuration.css

@@ -26,7 +26,7 @@
 }
 #services {
   display: grid;
-  grid-template-columns: repeat(3, min-content);
+  grid-template-columns: repeat(4, min-content);
   gap: 10px 24px;
   background-color: #333;
   width: min-content;
@@ -41,3 +41,6 @@
 #services div {
   white-space: nowrap;
 }
+#services img.delete {
+  height: 16px;
+}

static/less/configuration.less

@@ -39,7 +39,7 @@
 
 #services {
 	display: grid;
-	grid-template-columns: repeat(3, min-content);
+	grid-template-columns: repeat(4, min-content);
 	gap: 10px 24px;
 	background-color: @bg3;
 	width: min-content;
@@ -55,4 +55,8 @@
 	div {
 		white-space: nowrap;
 	}
+
+	img.delete {
+		height: 16px;
+	}
 }

views/pages/configuration.gotmpl

@@ -68,6 +68,11 @@
 			const nType = select.value
 			location.href = `/configuration/notification?type=${nType}`
 		}
+		function deleteNotification(prio) {
+			if (!confirm(`Are you sure you want to delete notification with prio ${prio}?`))
+				return
+			location.href = `/configuration/notification/delete/${prio}`;
+		}
 	</script>
 
 	{{ block "page_label" . }}{{end}}
@@ -126,11 +131,13 @@
 		<div class="header">Prio</div>
 		<div class="header">Type</div>
 		<div class="header">Target</div>
+		<div></div>
 		<div class="line"></div>
 		{{ range .Data.NotificationServices }}
 		<div><a href="/configuration/notification?prio={{ .GetPrio }}">{{ .GetPrio }}</a></div>
 		<div><a href="/configuration/notification?prio={{ .GetPrio }}">{{ .GetType }}</a></div>
 		<div><a href="/configuration/notification?prio={{ .GetPrio }}">{{ .String }}</a></div>
+		<div><img onclick="deleteNotification({{ .GetPrio }})" class="delete" src="/images/{{ $version }}/{{ $theme }}/delete.svg"></div>
 		{{ end }}
 	</div>
 

views/pages/notification/script.gotmpl

@@ -19,8 +19,8 @@ button {
 }
 </style>
 
-<form action="/configuration/notification/update/{{ .Data.Service.GetPrio }}" method="post">
+<form action="/configuration/notification/update/{{ if .Data.Service.Exists }}{{ .Data.Service.GetPrio }}{{ else }}-1{{ end }}" method="post">
-<input type="hidden" name="type" value="Script">
+<input type="hidden" name="type" value="SCRIPT">
 	<div class="grid">
 		<div>Prio:</div>
 		<input type="number" min=0 name="prio" value="{{ .Data.Service.GetPrio }}">