factoring out a lot of string constant values

ui/middleware.go

@@ -97,7 +97,7 @@ func ValidateConference(next echo.HandlerFunc) echo.HandlerFunc {
 	return func(c *echo.Context) error {
 		ctxt := AmContextFromEchoContext(c)
 		comm := ctxt.CurrentCommunity() // set by middleware
-		b, err := database.AmTestService(c.Request().Context(), comm, "Conference")
+		b, err := database.AmTestService(c.Request().Context(), comm, database.AM_SVC_CONFERENCE)
 		if err != nil {
 			return AmSendPageData(c, ctxt, "error", err)
 		}

ui/templates.go

@@ -309,6 +309,9 @@ func setupTemplates() {
 	views.AddGlobal("AmsterdamVersion", config.AMSTERDAM_VERSION)
 	views.AddGlobal("AmsterdamCopyright", config.AMSTERDAM_COPYRIGHT)
 	views.AddGlobal("GlobalConfig", config.GlobalConfig)
+	views.AddGlobal("PLSCOPE_COMMUNITY", database.PLSCOPE_COMMUNITY)
+	views.AddGlobal("PLSCOPE_CONFERENCE", database.PLSCOPE_CONFERENCE)
+	views.AddGlobal("PLSCOPE_TOPIC", database.PLSCOPE_TOPIC)
 	views.AddGlobalFunc("iif", immediateIf)
 	views.AddGlobalFunc("postRewrite", postRewrite)
 	views.AddGlobalFunc("MakeIntRange", makeIntRange)

ui/views/find_posts.jet

@@ -13,11 +13,11 @@
     <div class="mb-2">
         <div class=" flex items-baseline gap-2">
             <h1 class="text-blue-800 text-4xl font-bold">Find Posts</h1>
-            {{ if scope == "community" }}
+            {{ if scope == PLSCOPE_COMMUNITY }}
                 <span class="text-blue-800 text-xl font-bold ml-2">in Community: {{ entityName }}</span>
-            {{ else if scope == "conference" }}
+            {{ else if scope == PLSCOPE_CONFERENCE }}
                 <span class="text-blue-800 text-xl font-bold ml-2">in Conference: {{ entityName }}</span>
-            {{ else if scope == "topic" }}
+            {{ else if scope == PLSCOPE_TOPIC }}
                 <span class="text-blue-800 text-xl font-bold ml-2">in Topic: {{ entityName | raw }}</span>
             {{ end }}
         </div>
@@ -26,11 +26,11 @@
 
     <!-- Backlink -->
     <div class="mb-4">
-        {{ if scope == "community" }}
+        {{ if scope == PLSCOPE_COMMUNITY }}
             <a class="text-blue-700 hover:text-blue-900 text-sm font-medium" href="{{ backlink }}">Return to Conference List</a>
-        {{ else if scope == "conference" }}
+        {{ else if scope == PLSCOPE_CONFERENCE }}
             <a class="text-blue-700 hover:text-blue-900 text-sm font-medium" href="{{ backlink }}">Return to Topic List</a>
-        {{ else if scope == "topic" }}
+        {{ else if scope == PLSCOPE_TOPIC }}
             <a class="text-blue-700 hover:text-blue-900 text-sm font-medium" href="{{ backlink }}">Return to Topic</a>
         {{ end }}
     </div>