Fix bug in SearchBar Handler

Introduce Message boxes
Incomplete and needs cleanup

cmd/cc-backend/main.go

@@ -316,7 +316,7 @@ func main() {
 
 	// Send a searchId and then reply with a redirect to a user, or directly send query to job table for jobid and project.
 	secured.HandleFunc("/search", func(rw http.ResponseWriter, r *http.Request) {
-		routerConfig.HandleSearchBar(rw, r, api)
+		routerConfig.HandleSearchBar(rw, r)
 	})
 
 	// Mount all /monitoring/... and /api/... routes.

internal/routerConfig/routes.go

@@ -12,7 +12,6 @@ import (
 	"strings"
 	"time"
 
-	"github.com/ClusterCockpit/cc-backend/internal/api"
 	"github.com/ClusterCockpit/cc-backend/internal/auth"
 	"github.com/ClusterCockpit/cc-backend/internal/graph/model"
 	"github.com/ClusterCockpit/cc-backend/internal/repository"
@@ -270,8 +269,9 @@ func SetupRoutes(router *mux.Router, version string, hash string, buildTime stri
 	}
 }
 
-func HandleSearchBar(rw http.ResponseWriter, r *http.Request, api *api.RestApi) {
+func HandleSearchBar(rw http.ResponseWriter, r *http.Request) {
 	if search := r.URL.Query().Get("searchId"); search != "" {
+		repo := repository.GetJobRepository()
 		user := auth.GetUser(r.Context())
 		splitSearch := strings.Split(search, ":")
 
@@ -287,10 +287,11 @@ func HandleSearchBar(rw http.ResponseWriter, r *http.Request, api *api.RestApi)
 				if user.HasAnyRole([]auth.Role{auth.RoleAdmin, auth.RoleSupport, auth.RoleManager}) {
 					http.Redirect(rw, r, "/monitoring/users/?user="+url.QueryEscape(strings.Trim(splitSearch[1], " ")), http.StatusFound)
 				} else {
-					http.Redirect(rw, r, "/monitoring/jobs/?", http.StatusPermanentRedirect) // Users: Redirect to Tablequery
+					web.RenderTemplate(rw, r, "message.tmpl", &web.Page{Title: "Warn", Info: "Missing Access Rights"})
+					// web.RenderMessage(rw, "error", "Missing access rights!")
 				}
 			case "name":
-				usernames, _ := api.JobRepository.FindColumnValues(user, strings.Trim(splitSearch[1], " "), "user", "username", "name")
+				usernames, _ := repo.FindColumnValues(user, strings.Trim(splitSearch[1], " "), "user", "username", "name")
 				if len(usernames) != 0 {
 					joinedNames := strings.Join(usernames, "&user=")
 					http.Redirect(rw, r, "/monitoring/users/?user="+joinedNames, http.StatusFound)
@@ -298,23 +299,27 @@ func HandleSearchBar(rw http.ResponseWriter, r *http.Request, api *api.RestApi)
 					if user.HasAnyRole([]auth.Role{auth.RoleAdmin, auth.RoleSupport, auth.RoleManager}) {
 						http.Redirect(rw, r, "/monitoring/users/?user=NoUserNameFound", http.StatusPermanentRedirect)
 					} else {
-						http.Redirect(rw, r, "/monitoring/jobs/?", http.StatusPermanentRedirect) // Users: Redirect to Tablequery
+						web.RenderTemplate(rw, r, "message.tmpl", &web.Page{Title: "Warn", Info: "Missing Access Rights"})
+						// web.RenderMessage(rw, "error", "Missing access rights!")
 					}
 				}
 			default:
-				log.Warnf("Searchbar type parameter '%s' unknown", strings.Trim(splitSearch[0], " "))
-				http.Redirect(rw, r, "/monitoring/jobs/?", http.StatusPermanentRedirect) // Unknown: Redirect to Tablequery
+				web.RenderTemplate(rw, r, "message.tmpl", &web.Page{Title: "Warn", Info: fmt.Sprintf("Unknown search term %s", strings.Trim(splitSearch[0], " "))})
+				// web.RenderMessage(rw, "error", fmt.Sprintf("Unknown search term %s", strings.Trim(splitSearch[0], " ")))
 			}
 
 		} else if len(splitSearch) == 1 {
 
-			username, project, jobname, _ := api.JobRepository.FindUserOrProjectOrJobname(user, strings.Trim(search, " "))
+			username, project, jobname, err := repo.FindUserOrProjectOrJobname(user, strings.Trim(search, " "))
+			// err := fmt.Errorf("Blabla")
 
 			/* Causes 'http: superfluous response.WriteHeader call' causing SSL error and frontend crash: Cause unknown*/
-			// if err != nil {
+			if err != nil {
+				web.RenderTemplate(rw, r, "message.tmpl", &web.Page{Title: "Warn", Info: "No search result"})
+				return
+				// web.RenderMessage(rw, "info", "Search with no result")
 				// log.Errorf("Error while searchbar best guess: %v", err.Error())
-			//  http.Redirect(rw, r, "/monitoring/jobs/?", http.StatusPermanentRedirect) // Unknown: Redirect to Tablequery
-			//}
+			}
 
 			if username != "" {
 				http.Redirect(rw, r, "/monitoring/user/"+username, http.StatusFound) // User: Redirect to user page
@@ -327,11 +332,11 @@ func HandleSearchBar(rw http.ResponseWriter, r *http.Request, api *api.RestApi)
 			}
 
 		} else {
-			log.Warnf("Searchbar query parameters malformed: %v", search)
-			http.Redirect(rw, r, "/monitoring/jobs/?", http.StatusPermanentRedirect) // Unknown: Redirect to Tablequery
+			web.RenderTemplate(rw, r, "message.tmpl", &web.Page{Title: "Warn", Info: "Searchbar query parameters malformed"})
+			// web.RenderMessage(rw, "warn", "Searchbar query parameters malformed")
 		}
-
 	} else {
-		http.Redirect(rw, r, "/monitoring/jobs/?", http.StatusTemporaryRedirect)
+		web.RenderTemplate(rw, r, "message.tmpl", &web.Page{Title: "Warn", Info: "Empty search"})
+		// web.RenderMessage(rw, "warn", "Empty search")
 	}
 }

web/templates/message.tmpl

@@ -0,0 +1,21 @@
+{{define "navigation"}}
+    <header>
+        <nav class="navbar navbar-expand-lg navbar-light fixed-top bg-light">
+            <div class="container-fluid">
+                <a class="navbar-brand" href="/">
+                    <img style="height: 30px;" alt="ClusterCockpit Logo" src="/img/logo.png" class="d-inline-block align-top">
+                </a>
+            </div>
+        </nav>
+    </header>
+{{end}}
+
+{{define "content"}}
+<div class="row">
+    <div class="col">
+        <div class="alert alert-info" role="alert">
+        {{.Info}}
+        </div>
+    </div>
+</div>
+{{end}}

web/web.go

@@ -96,8 +96,7 @@ type Page struct {
 func RenderTemplate(rw http.ResponseWriter, r *http.Request, file string, page *Page) {
 	t, ok := templates[file]
 	if !ok {
-		log.Fatalf("WEB/WEB > template '%s' not found", file)
-		panic("template not found")
+		log.Errorf("WEB/WEB > template '%s' not found", file)
 	}
 
 	if page.Clusters == nil {
@@ -106,7 +105,47 @@ func RenderTemplate(rw http.ResponseWriter, r *http.Request, file string, page *
 		}
 	}
 
-	log.Infof("Page config : %v\n", page.Config)
+	log.Debugf("Page config : %v\n", page.Config)
+	if err := t.Execute(rw, page); err != nil {
+		log.Errorf("Template error: %s", err.Error())
+	}
+}
+
+type Message struct {
+	Title   string
+	Type    string
+	Message string
+	Icon    string
+}
+
+func RenderMessage(rw http.ResponseWriter, msgType string, msg string) {
+	var page Message
+	log.Info("render message template")
+
+	switch msgType {
+	case "success":
+		page.Title = "Success"
+		page.Type = "alert-success"
+	case "info":
+		page.Title = "Info"
+		page.Type = "alert-info"
+	case "warn":
+		page.Title = "Warning"
+		page.Type = "alert-warning"
+	case "error":
+		page.Title = "Error"
+		page.Type = "alert-danger"
+	default:
+		page.Title = "Message"
+		page.Type = "alert-secondary"
+	}
+	t, ok := templates["message.tmpl"]
+	if !ok {
+		log.Error("WEB/WEB > template message.tmpl not found")
+	}
+	page.Message = msg
+	rw.Header().Add("Content-Type", "text/html; charset=utf-8")
+
 	if err := t.Execute(rw, page); err != nil {
 		log.Errorf("Template error: %s", err.Error())
 	}