rebuilt sidebox code tighter

This commit is contained in:
2026-02-16 14:02:49 -07:00
parent 08b0fa6185
commit e1d2b60b2b
8 changed files with 243 additions and 310 deletions
+143 -191
View File
@@ -10,6 +10,7 @@
package main
import (
"context"
"fmt"
"net/http"
"reflect"
@@ -19,197 +20,142 @@ import (
"git.erbosoft.com/amy/amsterdam/ui"
"github.com/CloudyKit/jet/v6"
"github.com/labstack/echo/v4"
log "github.com/sirupsen/logrus"
)
// RenderedSideboxItem is an item for display inside a rendered sidebox.
type RenderedSideboxItem struct {
Text string
Text2 string
Link *string
Flags map[string]bool
}
// LinkX dereferences the Link pointer safely.
func (item *RenderedSideboxItem) LinkX() string {
if item.Link == nil {
return ""
}
return *item.Link
}
// RenderedSidebox is the data for a single rendered sidebox.
type RenderedSidebox struct {
TemplateName string
Title string
Subtext *string
Items []RenderedSideboxItem
Flags map[string]bool
}
/* buildCommunitiesSidebox creates the data for the "My/Featured Communities" sidebox.
* Parameters:
* uid - UID of the user rendering the page.
* out - The RenderedSidebox to be built.
* in - The sidebox data from the database.
* Returns:
* Standard Go error status.
/*----------------------------------------------------------------------------
* Sidebox rendering
*----------------------------------------------------------------------------
*/
func buildCommunitiesSidebox(ctxt ui.AmContext, uid int32, out *RenderedSidebox, in *database.Sidebox) error {
user, err := database.AmGetUser(ctxt.Ctx(), uid)
if err == nil {
var g *database.Globals
g, err = database.AmGlobals(ctxt.Ctx())
if err == nil {
if user.IsAnon {
out.Title = "Featured Communities"
} else {
out.Title = "Your Communities"
}
var l []*database.Community
l, err = database.AmGetCommunitiesForUser(ctxt.Ctx(), uid)
if err == nil {
out.Items = make([]RenderedSideboxItem, len(l))
for i, c := range l {
out.Items[i].Text = c.Name
lk := fmt.Sprintf("/comm/%s/profile", c.Alias)
out.Items[i].Link = &lk
out.Items[i].Flags = make(map[string]bool)
var level uint16
level, err = database.AmGetCommunityAccessLevel(ctxt.Ctx(), uid, c.Id)
if err == nil && database.AmTestPermission("Community.ShowAdmin", level) {
out.Items[i].Flags["admin"] = true
}
}
out.Flags = make(map[string]bool)
if user.IsAnon {
out.Flags["canManage"] = false
out.Flags["canCreate"] = false
} else {
out.Flags["canManage"] = true
out.Flags["canCreate"] = user.BaseLevel >= uint16(g.CommunityCreateLevel)
}
out.TemplateName = "sb_ftrcomm.jet"
}
// SideboxRendering is a wrapper interface used to handle rendering a sidebox's variables.
type SideboxRendering interface {
SetVar(string, any)
}
// SideboxRenderFunc "renders" a sidebox by outputing variables through an adapter.
type SideboxRenderFunc func(context.Context, *database.User, *DisplaySidebox, *string, SideboxRendering) error
// DisplaySidebox is the structure used to display a sidebox.
type DisplaySidebox struct {
Title string // title to display
TitleAnon string // title to display if user is anon
TemplateName string // name of template to render
Renderer SideboxRenderFunc // rendering function
}
// renderSBCommunities renders the Communities sidebox.
func renderSBCommunities(ctx context.Context, u *database.User, sb *DisplaySidebox, param *string, rx SideboxRendering) error {
g, err := database.AmGlobals(ctx)
if err != nil {
return err
}
l, err := database.AmGetCommunitiesForUser(ctx, u.Uid)
if err != nil {
return err
}
rx.SetVar("communities", l)
isAdmin := make([]bool, len(l))
for i, c := range l {
isAdmin[i] = false
level, err := database.AmGetCommunityAccessLevel(ctx, u.Uid, c.Id)
if err == nil && database.AmTestPermission("Community.ShowAdmin", level) {
isAdmin[i] = true
}
}
_ = in
return err
}
/* buildFeaturedConferences creates the data for the "Featured Conferences" sidebox.
* Parameters:
* ctxt - AmContext for the operation.
* uid - UID of the user rendering the page.
* out - The RenderedSidebox to be built.
* in - The sidebox data from the database.
* Returns:
* Standard Go error status.
*/
func buildFeaturedConferences(ctxt ui.AmContext, uid int32, out *RenderedSidebox, in *database.Sidebox) error {
user, err := database.AmGetUser(ctxt.Ctx(), uid)
if err == nil {
if user.IsAnon {
out.Title = "Featured Conferences"
} else {
out.Title = "Your Conference Hotlist"
}
var hl []database.ConferenceHotlist
hl, err := database.AmGetConferenceHotlist(ctxt.Ctx(), user)
if err == nil {
out.Items = make([]RenderedSideboxItem, len(hl))
for i, h := range hl {
comm, err := h.Community(ctxt.Ctx())
if err != nil {
break
}
conf, err := h.Conference(ctxt.Ctx())
if err != nil {
break
}
alias, err := conf.Aliases(ctxt.Ctx())
if err != nil {
break
}
out.Items[i].Text = conf.Name
out.Items[i].Text2 = comm.Name
lk := fmt.Sprintf("/comm/%s/conf/%s", comm.Alias, alias[0])
out.Items[i].Link = &lk
out.Items[i].Flags = make(map[string]bool)
out.Items[i].Flags["new"] = false
if !user.IsAnon {
nnew, err := conf.UnreadMessages(ctxt.Ctx(), user)
if err == nil {
out.Items[i].Flags["new"] = (nnew > 0)
}
}
}
out.Flags = make(map[string]bool)
out.Flags["canManage"] = !(user.IsAnon)
out.TemplateName = "sb_ftrconf.jet"
}
}
_ = in
return err
}
/* buildUsersOnline creates the data for the "Users Online" sidebox.
* Parameters:
* uid - UID of the user rendering the page.
* out - The RenderedSidebox to be built.
* in - The sidebox data from the database.
* Returns:
* Standard Go error status.
*/
func buildUsersOnline(uid int32, out *RenderedSidebox, in *database.Sidebox) error {
out.Title = "Users Online"
out.TemplateName = "sb_online.jet"
anons, users, maxUsers := ui.AmSessions()
cap := len(users) + 1
if anons > 0 {
cap++
}
out.Items = make([]RenderedSideboxItem, cap)
out.Items[0].Text = fmt.Sprintf("%d total (max %d)", len(users)+anons, maxUsers)
out.Items[0].Flags = make(map[string]bool)
out.Items[0].Flags["nobullet"] = true
out.Items[0].Flags["bold"] = true
b := 1
if anons > 0 {
out.Items[1].Text = fmt.Sprintf("Not logged in (%d)", anons)
out.Items[1].Flags = make(map[string]bool)
b++
}
for i, n := range users {
out.Items[b+i].Text = n
lk := fmt.Sprintf("/user/%s", n)
out.Items[b+i].Link = &lk
out.Items[b+i].Flags = make(map[string]bool)
out.Items[b+i].Flags["bold"] = true
}
_ = uid
_ = in
rx.SetVar("isAdmin", isAdmin)
rx.SetVar("canManage", !(u.IsAnon))
rx.SetVar("canCreate", !(u.IsAnon) && u.BaseLevel >= uint16(g.CommunityCreateLevel))
return nil
}
/* buildRenderedSidebox creates a RenderedSidebox for the data in the database.
* Parameters:
* uid - UID of the user rendering the page.
* out - The RenderedSidebox to be built.
* in - The sidebox data from the database.
* Returns:
* Standard Go error status.
*/
func buildRenderedSidebox(ctxt ui.AmContext, uid int32, out *RenderedSidebox, in *database.Sidebox) error {
switch in.Boxid {
case 1:
return buildCommunitiesSidebox(ctxt, uid, out, in)
case 2:
return buildFeaturedConferences(ctxt, uid, out, in)
case 3:
return buildUsersOnline(uid, out, in)
default:
return fmt.Errorf("unknown sidebox boxid: %d", in.Boxid)
// renderSBConferences renders the Conferences sidebox.
func renderSBConferences(ctx context.Context, u *database.User, sb *DisplaySidebox, param *string, rx SideboxRendering) error {
hl, err := database.AmGetConferenceHotlist(ctx, u)
if err != nil {
return err
}
comm := make([]*database.Community, len(hl))
conf := make([]*database.Conference, len(hl))
alias := make([]string, len(hl))
newFlag := make([]bool, len(hl))
for i, h := range hl {
if comm[i], err = h.Community(ctx); err != nil {
return err
}
if conf[i], err = h.Conference(ctx); err != nil {
return err
}
var a []string
if a, err = conf[i].Aliases(ctx); err != nil {
return err
}
alias[i] = a[0]
newFlag[i] = false
if !u.IsAnon {
nnew, err := conf[i].UnreadMessages(ctx, u)
if err == nil {
newFlag[i] = (nnew > 0)
}
}
}
rx.SetVar("comm", comm)
rx.SetVar("conf", conf)
rx.SetVar("alias", alias)
rx.SetVar("newFlag", newFlag)
rx.SetVar("canManage", !(u.IsAnon))
return nil
}
// renderSBOnlineUsers renders the Online Users sidebox.
func renderSBOnlineUsers(ctx context.Context, u *database.User, sb *DisplaySidebox, param *string, rx SideboxRendering) error {
anons, users, maxUsers := ui.AmSessions()
rx.SetVar("total", len(users)+anons)
rx.SetVar("maxUsers", maxUsers)
rx.SetVar("anons", anons)
rx.SetVar("users", users)
return nil
}
// sideboxRegistry contains a registry of all known sideboxes.
var sideboxRegistry map[int32]*DisplaySidebox
// init sets up the sidebox registry.
func init() {
sideboxRegistry = make(map[int32]*DisplaySidebox)
sb1 := DisplaySidebox{
Title: "Your Communities",
TitleAnon: "Featured Communities",
TemplateName: "sb_comm.jet",
Renderer: renderSBCommunities,
}
sideboxRegistry[database.SideboxIDCommunities] = &sb1
sb2 := DisplaySidebox{
Title: "Your Conference Hotlist",
TitleAnon: "Featured Conferences",
TemplateName: "sb_conf.jet",
Renderer: renderSBConferences,
}
sideboxRegistry[database.SideboxIDConferences] = &sb2
sb3 := DisplaySidebox{
Title: "Users Online",
TitleAnon: "Users Online",
TemplateName: "sb_online.jet",
Renderer: renderSBOnlineUsers,
}
sideboxRegistry[database.SideboxIDOnlineUsers] = &sb3
log.Infof("sidebox registry has %d entries", len(sideboxRegistry))
}
// sbRender is a context used for controlling adding variables for sideboxes.
type sbRender struct {
ctxt ui.AmContext // the UI context
id int32 // ID of sidebox being rendered
}
// SetVar sets a sidebox rendering value into the context.
func (rx *sbRender) SetVar(name string, value any) {
rx.ctxt.VarMap().Set(fmt.Sprintf("sb%d_%s", rx.id, name), value)
}
// templateGetTopic returns the pointer to the topic.
@@ -252,20 +198,26 @@ func TopPage(ctxt ui.AmContext) (string, any) {
ctxt.VarMap().SetFunc("post_topicLink", templateTopicLink)
// Retrieve the sideboxes and create the data to be presented.
uid := ctxt.CurrentUserId()
sboxes, err := database.AmGetSideboxes(ctxt.Ctx(), uid)
sboxes, err := database.AmGetSideboxes(ctxt.Ctx(), ctxt.CurrentUserId())
if err != nil {
return "error", err
}
rc := make([]RenderedSidebox, len(sboxes))
for i, sb := range sboxes {
err = buildRenderedSidebox(ctxt, uid, &(rc[i]), sb)
if err != nil {
return "error", err
disp := make([]*DisplaySidebox, 0, len(sboxes))
rx := sbRender{ctxt: ctxt, id: 0}
for _, sb := range sboxes {
dsb, ok := sideboxRegistry[sb.Boxid]
if ok {
rx.id = sb.Boxid
err := dsb.Renderer(ctxt.Ctx(), ctxt.CurrentUser(), dsb, sb.Param, &rx)
if err != nil {
return "error", err
}
disp = append(disp, dsb)
} else {
log.Errorf("TopPage: unknown sidebox ID %d", sb.Boxid)
}
}
ctxt.VarMap().Set("sideboxes", rc)
ctxt.VarMap().Set("sideboxes", disp)
// Final data set.
ctxt.SetLeftMenu("top")