added error and not-implemented pages and placeholder ad graphic

errors.go

@@ -0,0 +1,26 @@
+/*
+ * Amsterdam Web Communities System
+ * Copyright (c) 2025 Erbosoft Metaverse Design Solutions, All Rights Reserved
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+// Package main contains the high-level Amsterdam logic.
+package main
+
+import "git.erbosoft.com/amy/amsterdam/ui"
+
+/* NotImplPage is used for all TODO links, to show that something hasn't yet been implemented.
+ * Parameters:
+ *     ctxt - The AmContext for the request.
+ * Returns:
+ *     Command string dictating what to be rendered.
+ *     Data as a parameter for the command string.
+ *     Standard Go error status.
+ */
+func NotImplPage(ctxt ui.AmContext) (string, any, error) {
+	ctxt.VarMap().Set("amsterdam_pageTitle", "Function Not Implemented")
+	ctxt.VarMap().Set("path", ctxt.URLPath())
+	return "framed_template", "notimpl.jet", nil
+}

main.go

@@ -35,6 +35,7 @@ func setupEcho() *echo.Echo {
 	e.Use(LogrusMiddleware)
 	e.Use(session.Middleware(ui.SessionStore))
 
+	e.GET("/TODO/*", ui.AmWrap(NotImplPage))
 	e.GET("/img/*", ui.AmWrap(ui.AmServeImage))
 	e.GET("/about", ui.AmWrap(AboutPage))
 	e.GET("/", ui.AmWrap(TopPage))

ui/render_wrap.go

@@ -16,6 +16,39 @@ import (
 	"github.com/labstack/echo/v4"
 )
 
+func sendPageData(ctxt echo.Context, amctxt AmContext, command string, data any) error {
+	var err error
+	switch command {
+	case "bytes":
+		err = ctxt.Blob(amctxt.RC(), amctxt.OutputType(), data.([]byte))
+	case "string":
+		err = ctxt.String(amctxt.RC(), fmt.Sprintf("%v", data))
+	case "template":
+		err = amctxt.Render(fmt.Sprintf("%v", data))
+	case "framed_template":
+		amctxt.VarMap().Set("amsterdam_innerPage", data)
+		err = amctxt.Render("frame.jet")
+	default:
+		err = fmt.Errorf("unknown rendering type: %s", command)
+	}
+	return err
+}
+
+/* ErrorPage renders the Amsterdam page with a server error message.
+ * Parameters:
+ *     ctxt - The AmContext for the request.
+ *     input_err - The error to be rendered on the page.
+ * Returns:
+ *     Command string dictating what to be rendered.
+ *     Data as a parameter for the command string.
+ *     Standard Go error status.
+ */
+func ErrorPage(ctxt AmContext, input_err error) (string, any, error) {
+	ctxt.VarMap().Set("amsterdam_pageTitle", "Internal Server Error")
+	ctxt.VarMap().Set("error", input_err.Error())
+	return "framed_template", "error.jet", nil
+}
+
 /* AmWrap wraps the Amsterdam handler function in a wrapper that implements the spec for
  * Echo handler functions.
  * Parameters:
@@ -36,24 +69,15 @@ func AmWrap(myfunc func(AmContext) (string, any, error)) echo.HandlerFunc {
 				ctxt.Logger().Errorf("Session save error: %v", err)
 				return err
 			}
-			switch what {
-			case "bytes":
-				err = ctxt.Blob(amctxt.RC(), amctxt.OutputType(), rc.([]byte))
-			case "string":
-				err = ctxt.String(amctxt.RC(), fmt.Sprintf("%v", rc))
-			case "template":
-				err = amctxt.Render(fmt.Sprintf("%v", rc))
-			case "framed_template":
-				amctxt.VarMap().Set("amsterdam_innerPage", rc)
-				err = amctxt.Render("frame.jet")
-			default:
-				err = fmt.Errorf("unknown rendering type: %s", what)
-			}
+			err = sendPageData(ctxt, amctxt, what, rc)
 			if err != nil {
 				ctxt.Logger().Errorf("Rendering error: %v", err)
 			}
 		} else {
 			ctxt.Logger().Errorf("Page function error: %v", err)
+			_, rc, _ = ErrorPage(amctxt, err)
+			newerr := sendPageData(ctxt, amctxt, "framed_template", rc)
+			err = newerr
 		}
 		return err
 	}

ui/views/about.jet

@@ -1,3 +1,12 @@
+{*
+ * Amsterdam Web Communities System
+ * Copyright (c) 2025 Erbosoft Metaverse Design Solutions, All Rights Reserved
+ * 
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *}
+<div class="flex">
     <!-- Venice Logo -->
     <div class="text-center mb-6">
         <img src="/img/builtin/AmsterdamLogo.png" 
@@ -48,4 +57,4 @@
                     class="w-72 h-25 mx-auto">
         </a>
     </div>
-</div>
+</div>

ui/views/error.jet

@@ -0,0 +1,22 @@
+{*
+ * Amsterdam Web Communities System
+ * Copyright (c) 2025 Erbosoft Metaverse Design Solutions, All Rights Reserved
+ * 
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *}
+<div class="flex">
+    <div class="flex-1 p-4">
+        <div class="mb-8">
+            <h1 class="text-blue-800 text-4xl font-bold mb-2">Amsterdam Internal Server Error</h1>
+            <hr class="border-2 border-gray-400 w-4/5 mb-4">
+            <p class="text-black text-sm mb-4">
+                The Amsterdam server encountered an error: {{ error }}
+            </p>
+            <p class="text-black text-sm mb-4">
+                <a href="/">Click here</a> to return to the home page.
+            </p>
+        </div>
+    </div>
+</div>

ui/views/frame.jet

@@ -47,9 +47,7 @@
 
             <!-- Banner Ad -->
             <div class="w-2/5 flex justify-end">
-                <img src="./venice-frontpage_files/midler.gif" 
-                     alt="" 
-                     class="w-96 h-15 mx-2 my-2">
+                <img src="/img/builtin/placeholder_ad.gif" alt="" class="w-96 h-15 mx-2 my-2">
             </div>
         </div>
 

ui/views/notimpl.jet

@@ -0,0 +1,22 @@
+{*
+ * Amsterdam Web Communities System
+ * Copyright (c) 2025 Erbosoft Metaverse Design Solutions, All Rights Reserved
+ * 
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *}
+<div class="flex">
+    <div class="flex-1 p-4">
+        <div class="mb-8">
+            <h1 class="text-blue-800 text-4xl font-bold mb-2">Amsterdam: Function Not Implemented</h1>
+            <hr class="border-2 border-gray-400 w-4/5 mb-4">
+            <p class="text-black text-sm mb-4">
+                You've stumbled into a function that's not implemented yet.  The function path is <code>{{ path }}</code>.
+            </p>
+            <p class="text-black text-sm mb-4">
+                <a href="/">Click here</a> to return to the home page.
+            </p>
+        </div>
+    </div>
+</div>