broke out the generation of the sideboxes

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
 }