monfront - enable jumping from groups to checks

This allows to view all the important checks for a group much easier.

cmd/monfront/main.go

@@ -37,6 +37,7 @@ type (
 		Checks       []check
 		CheckDetails *checkDetails
 		Groups       []group
+		Unhandled    bool // set this flag when unhandled was called
 	}
 
 	MapEntry struct {
@@ -250,6 +251,7 @@ func checkAction(w http.ResponseWriter, r *http.Request) {
 }
 
 func showChecks(w http.ResponseWriter, r *http.Request) {
+	con := Context{}
 	query := `select c.id, n.id, n.name, co.name, ac.mapping_id, ac.states[1] as state,
 	ac.enabled, ac.notice, ac.next_time, ac.msg,
 	case when cn.check_id is null then false else true end as notify_enabled
@@ -269,6 +271,7 @@ func showChecks(w http.ResponseWriter, r *http.Request) {
 	}
 	if strings.HasPrefix(r.URL.Path, "/unhandled") {
 		where = append(where, `ac.states[1] > 0 and ac.acknowledged = false and ac.enabled = true`)
+		con.Unhandled = true
 	}
 	if search, found := r.URL.Query()["search"]; found {
 		idx += 1
@@ -324,9 +327,7 @@ func showChecks(w http.ResponseWriter, r *http.Request) {
 		}
 		checks = append(checks, c)
 	}
-	con := Context{
+	con.Checks = checks
-		Checks: checks,
-	}
 	if err := loadMappings(&con); err != nil {
 		con.Error = "could not load mapping data"
 		w.WriteHeader(http.StatusInternalServerError)
@@ -345,6 +346,7 @@ func showChecks(w http.ResponseWriter, r *http.Request) {
 }
 
 func showGroups(w http.ResponseWriter, r *http.Request) {
+	con := Context{}
 	query := `select groupid, groupname, nodeid, nodename, mapping_id, state
 	from (
 		select g.id groupid, g.name groupname, n.id nodeid, n.name nodename, ac.mapping_id,
@@ -359,6 +361,7 @@ func showGroups(w http.ResponseWriter, r *http.Request) {
 	where state = maxstate`
 	if strings.HasPrefix(r.URL.Path, "/unhandled") {
 		query += ` and state > 0`
+		con.Unhandled = true
 	}
 
 	if strings.HasPrefix(r.URL.Path, "/unhandled") {
@@ -387,9 +390,7 @@ func showGroups(w http.ResponseWriter, r *http.Request) {
 		}
 		groups = append(groups, g)
 	}
-	con := Context{
+	con.Groups = groups
-		Groups: groups,
-	}
 	if err := loadMappings(&con); err != nil {
 		w.WriteHeader(http.StatusInternalServerError)
 		w.Write([]byte("problem with the mappings"))
@@ -790,7 +791,7 @@ var (
 					{{ range .Groups }}
 					<tr>
 						<td><input type="checkbox" name="nodes" value="{{ .NodeId }}" /></td>
-						<td>{{ if ne $current .Name }}{{ $current = .Name }}<a href="/checks?group_id={{ .NodeId }}">{{ .Name }}</a>{{ end }}</td>
+						<td>{{ if ne $current .Name }}{{ $current = .Name }}<a href="{{ if $.Unhandled }}/unhandled{{ end }}/checks?group_id={{ .GroupId }}">{{ .Name }}</a>{{ end }}</td>
 						<td><a href="/checks?node_id={{ .NodeId }}">{{ .NodeName }}</a></td>
 						<td class="state-{{ .MappingId }}-{{ .State }}">{{ (index $mapping .MappingId .State).Title }}</td>
 					</tr>