broke out the generation of the sideboxes

database/sidebox.go

@@ -0,0 +1,46 @@
+/*
+ * 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/.
+ */
+// The database package contains database management and storage logic.
+package database
+
+type Sidebox struct {
+	Uid      int32   `db:"uid"`
+	Boxid    int32   `db:"boxid"`
+	Sequence int32   `db:"sequence"`
+	Param    *string `db:"param"`
+}
+
+/* AmGetSideboxes returns all the configured sideboxes for a user.
+ * Parameters:
+ *     uid = The ID of the user to retrieve sideboxes for.
+ * Returns:
+ *	   Array of Sidebox structures for the user, or nil
+ *     Standard Go error status
+ */
+func AmGetSideboxes(uid int32) ([]*Sidebox, error) {
+	stmt, err := amdb.Preparex("SELECT * FROM sideboxes WHERE uid = ? ORDER BY SEQUENCE")
+	if err == nil {
+		defer stmt.Close()
+		rows, err := stmt.Queryx(uid)
+		if err == nil {
+			defer rows.Close()
+			sboxes := make([]*Sidebox, 0, 3)
+			for i := 0; rows.Next(); i++ {
+				box := Sidebox{}
+				rows.StructScan(&box)
+				sboxes = append(sboxes, &box)
+			}
+			if rows.Err() == nil {
+				return sboxes, nil
+			}
+			return nil, rows.Err()
+		}
+	}
+	return nil, err
+}

top.go

@@ -9,9 +9,73 @@
 // Package main contains the high-level Amsterdam logic.
 package main
 
-import "git.erbosoft.com/amy/amsterdam/ui"
+import (
+	"fmt"
+
+	"git.erbosoft.com/amy/amsterdam/database"
+	"git.erbosoft.com/amy/amsterdam/ui"
+)
+
+type RenderedSideboxItem struct {
+	Text  string
+	Link  *string
+	Flags []string
+}
+
+type RenderedSidebox struct {
+	TemplateName string
+	Title        string
+	Subtext      *string
+	Items        []RenderedSideboxItem
+}
+
+func buildFeaturedCommunities(uid int32, out *RenderedSidebox, in *database.Sidebox) error {
+	out.TemplateName = "sb_ftrcomm.jet"
+	return nil
+}
+
+func buildFeaturedConferences(uid int32, out *RenderedSidebox, in *database.Sidebox) error {
+	out.TemplateName = "sb_ftrconf.jet"
+	return nil
+}
+
+func buildUsersOnline(uid int32, out *RenderedSidebox, in *database.Sidebox) error {
+	out.TemplateName = "sb_online.jet"
+	return nil
+}
+
+func buildRenderedSidebox(uid int32, out *RenderedSidebox, in *database.Sidebox) error {
+	switch in.Boxid {
+	case 1:
+		return buildFeaturedCommunities(uid, out, in)
+	case 2:
+		return buildFeaturedConferences(uid, out, in)
+	case 3:
+		return buildUsersOnline(uid, out, in)
+	default:
+		return fmt.Errorf("unknown sidebox boxid: %d", in.Boxid)
+	}
+}
 
 func TopPage(ctxt ui.AmContext) (string, any, error) {
+	// Set the page title.
 	ctxt.VarMap().Set("amsterdam_pageTitle", "My Front Page")
+
+	// Retrieve the sideboxes and create the data to be presented.
+	uid := ctxt.Session().Values["user_id"].(int32)
+	sboxes, err := database.AmGetSideboxes(uid)
+	if err != nil {
+		return "string", "Unable to retrieve sideboxes", err
+	}
+
+	rc := make([]RenderedSidebox, len(sboxes))
+	for i, sb := range sboxes {
+		err = buildRenderedSidebox(uid, &(rc[i]), sb)
+		if err != nil {
+			return "string", "Unable to render sideboxes", err
+		}
+	}
+
+	ctxt.VarMap().Set("sideboxes", rc)
 	return "framed_template", "top.jet", nil
 }

ui/amcontext.go

@@ -28,11 +28,12 @@ type AmContext interface {
 	RC() int
 	OutputType() string
 	Render(string) error
-	Scratchpad() map[any]any
+	Scratchpad() map[string]any
 	SubRender(string) ([]byte, error)
 	Session() *sessions.Session
 	SetOutputType(string)
 	SetRC(int)
+	SetScratch(string, any)
 	URLPath() string
 	VarMap() jet.VarMap
 }
@@ -43,7 +44,7 @@ type amContext struct {
 	httprc      int
 	rendervars  jet.VarMap
 	outputType  string
-	scratchpad  map[any]any
+	scratchpad  map[string]any
 	session     *sessions.Session
 }
 
@@ -77,9 +78,9 @@ func (c *amContext) Render(name string) error {
 }
 
 // Scratchpad returns the per-request scratchpad for values.
-func (c *amContext) Scratchpad() map[any]any {
+func (c *amContext) Scratchpad() map[string]any {
 	if c.scratchpad == nil {
-		c.scratchpad = make(map[any]any)
+		c.scratchpad = make(map[string]any)
 	}
 	return c.scratchpad
 }
@@ -116,6 +117,13 @@ func (c *amContext) SetRC(rc int) {
 	c.httprc = rc
 }
 
+func (c *amContext) SetScratch(name string, val any) {
+	if c.scratchpad == nil {
+		c.scratchpad = make(map[string]any)
+	}
+	c.scratchpad[name] = val
+}
+
 // URLPath returns the path component of the request URL.
 func (c *amContext) URLPath() string {
 	return c.echoContext.Request().URL.Path

ui/views/sb_ftrcomm.jet

@@ -0,0 +1,21 @@
+{*
+ * 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/.
+ *}
+<!-- Featured Communities -->
+<div class="mb-4">
+    <div class="bg-blue-600 px-2 py-1 rounded-t">
+        <h3 class="text-white font-bold text-base">Featured Communities:</h3>
+    </div>
+    <div class="bg-blue-400 px-2 py-2 rounded-b">
+        <div class="flex items-center">
+            <span class="mr-2">🟣</span>
+            <a href="http://necrovenice:8080/venice/community/Piazza" 
+                class="text-blue-700 hover:text-blue-900 font-bold text-sm">La Piazza</a>
+        </div>
+    </div>
+</div>

ui/views/sb_ftrconf.jet

@@ -0,0 +1,24 @@
+{*
+ * 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/.
+ *}
+<!-- Featured Conferences -->
+<div class="mb-4">
+    <div class="bg-blue-600 px-2 py-1 rounded-t">
+        <h3 class="text-white font-bold text-base">Featured Conferences:</h3>
+    </div>
+    <div class="bg-blue-400 px-2 py-2 rounded-b">
+        <div class="flex items-center">
+            <span class="mr-2">🟣</span>
+            <div class="text-sm">
+                <a href="http://necrovenice:8080/venice/conf/topics.js.vs?sig=2&conf=2" 
+                    class="text-blue-700 hover:text-blue-900 font-bold">General Discussion</a>
+                <span class="text-black"> (La Piazza)</span>
+            </div>
+        </div>
+    </div>
+</div>

ui/views/sb_online.jet

@@ -0,0 +1,21 @@
+{*
+ * 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/.
+ *}
+<!-- Users Online -->
+<div class="mb-4">
+    <div class="bg-blue-600 px-2 py-1 rounded-t">
+        <h3 class="text-white font-bold text-base">Users Online:</h3>
+    </div>
+    <div class="bg-blue-400 px-2 py-2 rounded-b">
+        <div class="text-black text-sm font-bold mb-2">1 total (max 1)</div>
+        <div class="flex items-center">
+            <span class="mr-2">🟣</span>
+            <span class="text-black text-sm">Not logged in (1)</span>
+        </div>
+    </div>
+</div>

ui/views/top.jet

@@ -8,14 +8,16 @@
  *}
 <!-- Content Area -->
 <div class="flex-1 p-4">
-    <!-- Welcome Section -->
+    {{ if .CurrentUser().IsAnon }}
-    <div class="mb-8">
+        <!-- Welcome Section -->
-        <h1 class="text-blue-800 text-4xl font-bold mb-2">Welcome to Venice</h1>
+        <div class="mb-8">
-        <hr class="border-2 border-gray-400 w-4/5 mb-4">
+            <h1 class="text-blue-800 text-4xl font-bold mb-2">Welcome to Amsterdam</h1>
-        <p class="text-black text-sm mb-4">
+            <hr class="border-2 border-gray-400 w-4/5 mb-4">
-            Welcome to the <strong>Venice Web Communities System</strong>. To get the most out of this site, you should log in or create an account, using one of the links above.
+            <p class="text-black text-sm mb-4">
-        </p>
+                Welcome to the <strong>Amsterdam Web Communities System</strong>. To get the most out of this site, you should log in or create an account, using one of the links above.
-    </div>
+            </p>
+        </div>
+    {{ end }}
 
     <!-- Venice Currents Section -->
     <div>
@@ -46,48 +48,9 @@ dead by now.</pre>
 
 <!-- RIGHT SIDEBAR -->
 <div class="w-52 p-4">
-    <!-- Featured Communities -->
+    {{ ctxt := . }}
-    <div class="mb-4">
+    {{ range sideboxes }}
-        <div class="bg-blue-600 px-2 py-1 rounded-t">
+        {{ ctxt.SetScratch("__sidebox", .) }}
-            <h3 class="text-white font-bold text-base">Featured Communities:</h3>
+        {{ ctxt.SubRender(.TemplateName) | raw }}
-        </div>
+    {{ end }}
-        <div class="bg-blue-400 px-2 py-2 rounded-b">
-            <div class="flex items-center">
-                <span class="mr-2">🟣</span>
-                <a href="http://necrovenice:8080/venice/community/Piazza" 
-                    class="text-blue-700 hover:text-blue-900 font-bold text-sm">La Piazza</a>
-            </div>
-        </div>
-    </div>
-
-    <!-- Featured Conferences -->
-    <div class="mb-4">
-        <div class="bg-blue-600 px-2 py-1 rounded-t">
-            <h3 class="text-white font-bold text-base">Featured Conferences:</h3>
-        </div>
-        <div class="bg-blue-400 px-2 py-2 rounded-b">
-            <div class="flex items-center">
-                <span class="mr-2">🟣</span>
-                <div class="text-sm">
-                    <a href="http://necrovenice:8080/venice/conf/topics.js.vs?sig=2&conf=2" 
-                        class="text-blue-700 hover:text-blue-900 font-bold">General Discussion</a>
-                    <span class="text-black"> (La Piazza)</span>
-                </div>
-            </div>
-        </div>
-    </div>
-
-    <!-- Users Online -->
-    <div class="mb-4">
-        <div class="bg-blue-600 px-2 py-1 rounded-t">
-            <h3 class="text-white font-bold text-base">Users Online:</h3>
-        </div>
-        <div class="bg-blue-400 px-2 py-2 rounded-b">
-            <div class="text-black text-sm font-bold mb-2">1 total (max 1)</div>
-            <div class="flex items-center">
-                <span class="mr-2">🟣</span>
-                <span class="text-black text-sm">Not logged in (1)</span>
-            </div>
-        </div>
-    </div>
 </div>