Merge pull request #186 from ClusterCockpit/185-add-notification-banner

185 add notification banner

internal/routerConfig/routes.go

@@ -8,6 +8,7 @@ import (
 	"fmt"
 	"net/http"
 	"net/url"
+	"os"
 	"strconv"
 	"strings"
 	"time"
@@ -15,6 +16,7 @@ import (
 	"github.com/ClusterCockpit/cc-backend/internal/auth"
 	"github.com/ClusterCockpit/cc-backend/internal/graph/model"
 	"github.com/ClusterCockpit/cc-backend/internal/repository"
+	"github.com/ClusterCockpit/cc-backend/internal/util"
 	"github.com/ClusterCockpit/cc-backend/pkg/log"
 	"github.com/ClusterCockpit/cc-backend/web"
 	"github.com/gorilla/mux"
@@ -60,6 +62,16 @@ func setupHomeRoute(i InfoType, r *http.Request) InfoType {
 	}
 
 	i["clusters"] = stats
+
+	if util.CheckFileExists("./var/notice.txt") {
+		msg, err := os.ReadFile("./var/notice.txt")
+		if err != nil {
+			log.Warnf("failed to read notice.txt file: %s", err.Error())
+		} else {
+			i["message"] = string(msg)
+		}
+	}
+
 	return i
 }
 

web/templates/home.tmpl

@@ -1,4 +1,20 @@
 {{define "content"}}
+{{if .Infos.message }}
+<div class="row justify-content-center">
+    <div class="col-6">
+        <div class="alert alert-info p-3" role="alert">
+            <div class="row  align-items-center">
+                <div class="col-2">
+                    <h2><i class="bi-info-circle-fill m-3"></i></h2>
+                </div>
+                <div class="col-10">
+                {{.Infos.message}}
+                </div>
+            </div>
+        </div>
+    </div>
+</div>
+{{end}}
 <div class="row">
     <div class="col">
         <h2>Clusters</h2>

web/web.go

@@ -9,11 +9,11 @@ import (
 	"html/template"
 	"io/fs"
 	"net/http"
-	"os"
 	"strings"
 
 	"github.com/ClusterCockpit/cc-backend/internal/auth"
 	"github.com/ClusterCockpit/cc-backend/internal/config"
+	"github.com/ClusterCockpit/cc-backend/internal/util"
 	"github.com/ClusterCockpit/cc-backend/pkg/log"
 	"github.com/ClusterCockpit/cc-backend/pkg/schema"
 )
@@ -48,7 +48,7 @@ func init() {
 		}
 
 		if path == "templates/login.tmpl" {
-			if _, err := os.Stat("./var/login.tmpl"); err == nil {
+			if util.CheckFileExists("./var/login.tmpl") {
 				log.Info("overwrite login.tmpl with local file")
 				templates[strings.TrimPrefix(path, "templates/")] =
 					template.Must(template.Must(base.Clone()).ParseFiles("./var/login.tmpl"))
@@ -56,7 +56,7 @@ func init() {
 			}
 		}
 		if path == "templates/imprint.tmpl" {
-			if _, err := os.Stat("./var/imprint.tmpl"); err == nil {
+			if util.CheckFileExists("./var/imprint.tmpl") {
 				log.Info("overwrite imprint.tmpl with local file")
 				templates[strings.TrimPrefix(path, "templates/")] =
 					template.Must(template.Must(base.Clone()).ParseFiles("./var/imprint.tmpl"))
@@ -64,7 +64,7 @@ func init() {
 			}
 		}
 		if path == "templates/privacy.tmpl" {
-			if _, err := os.Stat("./var/privacy.tmpl"); err == nil {
+			if util.CheckFileExists("./var/privacy.tmpl") {
 				log.Info("overwrite privacy.tmpl with local file")
 				templates[strings.TrimPrefix(path, "templates/")] =
 					template.Must(template.Must(base.Clone()).ParseFiles("./var/privacy.tmpl"))