able to display the "Edit Conference" dialog

conference_ops.go

@@ -26,8 +26,6 @@ import (
 	log "github.com/sirupsen/logrus"
 )
 
-var ENOPERM error = errors.New("you are not permitted to perform this operation")
-
 // slurpFile reads the contrents of a multipart.File into memory.
 func slurpFile(file *multipart.FileHeader) ([]byte, error) {
 	f, err := file.Open()

conferenceadmin.go

@@ -0,0 +1,67 @@
+/*
+ * Amsterdam Web Communities System
+ * Copyright (c) 2025-2026 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 (
+	"net/http"
+
+	"git.erbosoft.com/amy/amsterdam/database"
+	"git.erbosoft.com/amy/amsterdam/ui"
+)
+
+/* EditConferenceForm displays the dialog for editing the conference properties.
+ * 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 EditConferenceForm(ctxt ui.AmContext) (string, any, error) {
+	comm := ctxt.CurrentCommunity()
+	conf := ctxt.GetScratch("currentConference").(*database.Conference)
+	myLevel := ctxt.GetScratch("levelInConference").(uint16)
+	if !conf.TestPermission("Conference.Change", myLevel) {
+		ctxt.SetRC(http.StatusForbidden)
+		return ui.ErrorPage(ctxt, ENOPERM)
+	}
+
+	dlg, err := ui.AmLoadDialog("edit_conference")
+	if err != nil {
+		return ui.ErrorPage(ctxt, err)
+	}
+	dlg.SetCommunity(comm)
+	dlg.SetConference(conf, ctxt.GetScratch("currentAlias").(string))
+	dlg.Field("name").Value = conf.Name
+	dlg.Field("descr").SetVal(conf.Description)
+	if comm.TestPermission("Community.Create", ctxt.EffectiveLevel()) {
+		f, err := conf.HiddenInList(ctxt.Ctx(), comm)
+		if err != nil {
+			return ui.ErrorPage(ctxt, err)
+		}
+		dlg.Field("hide").SetChecked(f)
+	} else {
+		dlg.Field("hide").Disabled = true
+	}
+	dlg.Field("read_lvl").SetLevel(conf.ReadLevel)
+	dlg.Field("post_lvl").SetLevel(conf.PostLevel)
+	dlg.Field("create_lvl").SetLevel(conf.CreateLevel)
+	dlg.Field("hide_lvl").SetLevel(conf.HideLevel)
+	dlg.Field("nuke_lvl").SetLevel(conf.NukeLevel)
+	dlg.Field("change_lvl").SetLevel(conf.ChangeLevel)
+	dlg.Field("delete_lvl").SetLevel(conf.DeleteLevel)
+	flags, err := conf.Flags(ctxt.Ctx())
+	if err != nil {
+		return ui.ErrorPage(ctxt, err)
+	}
+	dlg.Field("pic_in_post").SetChecked(flags.Get(database.ConferenceFlagPicturesInPosts))
+	return dlg.Render(ctxt)
+}

database/community.go

@@ -432,7 +432,7 @@ func (c *Community) PermissionLevel(perm string) uint16 {
 	}
 }
 
-// GetFlags retrieves the flags from the properties.
+// Flags retrieves the flags from the properties.
 func (c *Community) Flags(ctx context.Context) (*util.OptionSet, error) {
 	c.Mutex.Lock()
 	defer c.Mutex.Unlock()
@@ -761,7 +761,7 @@ func AmAutoJoinCommunities(ctx context.Context, user *User) error {
 	return err
 }
 
-// internalGetProp is a helper used by the property functions.
+// internalGetCommProp is a helper used by the community property functions.
 func internalGetCommProp(ctx context.Context, cid int32, ndx int32) (*CommunityProperties, error) {
 	var err error = nil
 	key := fmt.Sprintf("%d:%d", cid, ndx)
@@ -785,7 +785,7 @@ func internalGetCommProp(ctx context.Context, cid int32, ndx int32) (*CommunityP
 	return rc.(*CommunityProperties), nil
 }
 
-/* AmGetCommunityProperty retrieves the value of a user property.
+/* AmGetCommunityProperty retrieves the value of a community property.
  * Parameters:
  *     ctx - Standard Go context value.
  *     cid - The ID of the community to get the property for.

database/conference.go

@@ -17,6 +17,7 @@ import (
 	"sync"
 	"time"
 
+	"git.erbosoft.com/amy/amsterdam/util"
 	lru "github.com/hashicorp/golang-lru"
 	"github.com/jmoiron/sqlx"
 	log "github.com/sirupsen/logrus"
@@ -40,6 +41,7 @@ type Conference struct {
 	Description *string    `db:"descr"`      // conference description
 	IconUrl     *string    `db:"icon_url"`   // conference icon URL
 	Color       *string    `db:"color"`      // color for conference
+	flags       *util.OptionSet
 }
 
 type ConferenceSettings struct {
@@ -51,6 +53,23 @@ type ConferenceSettings struct {
 	newflag      bool
 }
 
+// ConferenceProperties represents a property entry for a conference.
+type ConferenceProperties struct {
+	ConfId int32   `db:"confid"` // conference ID
+	Index  int32   `db:"ndx"`    // property index
+	Data   *string `db:"data"`   // property data
+}
+
+// Conference property indexes defined.
+const (
+	ConferencePropFlags = int32(0)
+)
+
+// Flag values for conference property index ConferencePropFlags defined.
+const (
+	ConferenceFlagPicturesInPosts = uint(0)
+)
+
 // conferenceCache is the cache for Conference objects.
 var conferenceCache *lru.TwoQueueCache = nil
 
@@ -60,6 +79,12 @@ var getConferenceMutex sync.Mutex
 // conferenceAliasMap stores alias mappings.
 var conferenceAliasMap sync.Map
 
+// conferencePropCache is the cache for ConferenceProperties objects.
+var conferencePropCache *lru.Cache = nil
+
+// getConferencePropMutex is a mutex on AmGetConferenceProperty.
+var getConferencePropMutex sync.Mutex
+
 // init initializes the conference cache.
 func init() {
 	var err error
@@ -67,6 +92,10 @@ func init() {
 	if err != nil {
 		panic(err)
 	}
+	conferencePropCache, err = lru.New(100)
+	if err != nil {
+		panic(err)
+	}
 }
 
 // Save saves the conference settings.
@@ -143,6 +172,20 @@ func (c *Conference) InCommunity(ctx context.Context, comm *Community) (bool, er
 	return false, err
 }
 
+// HiddenInList returns whether or not this conference is hidden in the community's conference list.
+func (c *Conference) HiddenInList(ctx context.Context, comm *Community) (bool, error) {
+	row := amdb.QueryRowContext(ctx, "SELECT hide_list FROM commtoconf WHERE commid = ? AND confid = ?", comm.Id, c.ConfId)
+	var rc bool
+	err := row.Scan(&rc)
+	switch err {
+	case nil:
+		return rc, nil
+	case sql.ErrNoRows:
+		return false, errors.New("conference not in community")
+	}
+	return false, err
+}
+
 // ContainedBy returns the communities that contain this conference.
 func (c *Conference) ContainedBy(ctx context.Context) ([]*Community, error) {
 	rs, err := amdb.QueryContext(ctx, "SELECT commid FROM commtoconf WHERE confid = ?", c.ConfId)
@@ -214,6 +257,36 @@ func (c *Conference) TestPermission(perm string, level uint16) bool {
 	}
 }
 
+// Flags retrieves the flags from the properties.
+func (c *Conference) Flags(ctx context.Context) (*util.OptionSet, error) {
+	c.Mutex.Lock()
+	defer c.Mutex.Unlock()
+	if c.flags == nil {
+		s, err := AmGetConferenceProperty(ctx, c.ConfId, ConferencePropFlags)
+		if err != nil {
+			return nil, err
+		}
+		if s == nil {
+			c.flags = util.NewOptionSet()
+		} else {
+			c.flags = util.OptionSetFromString(*s)
+		}
+	}
+	return c.flags, nil
+}
+
+// SaveFlags writes the flags to the database and stores them.
+func (c *Conference) SaveFlags(ctx context.Context, f *util.OptionSet) error {
+	s := f.AsString()
+	c.Mutex.Lock()
+	defer c.Mutex.Unlock()
+	err := AmSetConferenceProperty(ctx, c.ConfId, ConferencePropFlags, &s)
+	if err == nil {
+		c.flags = f
+	}
+	return err
+}
+
 // Settings returns the settings for a user.
 func (c *Conference) Settings(ctx context.Context, u *User) (*ConferenceSettings, error) {
 	var dbdata []ConferenceSettings
@@ -525,3 +598,77 @@ func AmGetCommunityConferences(ctx context.Context, cid int32, showHidden bool)
 	}
 	return rc, nil
 }
+
+// internalGetConfProp is a helper used by the conference property functions.
+func internalGetConfProp(ctx context.Context, confid int32, ndx int32) (*ConferenceProperties, error) {
+	var err error = nil
+	key := fmt.Sprintf("%d:%d", confid, ndx)
+	getConferencePropMutex.Lock()
+	defer getConferencePropMutex.Unlock()
+	rc, ok := conferencePropCache.Get(key)
+	if !ok {
+		var dbdata []ConferenceProperties
+		if err = amdb.SelectContext(ctx, &dbdata, "SELECT * from propconf WHERE confid = ? AND ndx = ?", confid, ndx); err != nil {
+			return nil, err
+		}
+		if len(dbdata) == 0 {
+			return nil, nil
+		}
+		if len(dbdata) > 1 {
+			return nil, fmt.Errorf("AmGetConferenceProperty(%d): too many responses(%d)", confid, len(dbdata))
+		}
+		rc = &(dbdata[0])
+		conferencePropCache.Add(key, rc)
+	}
+	return rc.(*ConferenceProperties), nil
+}
+
+/* AmGetConferenceProperty retrieves the value of a conference property.
+ * Parameters:
+ *     ctx - Standard Go context value.
+ *     confid - The ID of the conference to get the property for.
+ *     ndx - The index of the property to retrieve.
+ * Returns:
+ *     Value of the property string.
+ *     Standard Go error status.
+ */
+func AmGetConferenceProperty(ctx context.Context, confid int32, ndx int32) (*string, error) {
+	p, err := internalGetConfProp(ctx, confid, ndx)
+	if err != nil {
+		return nil, err
+	} else if p == nil {
+		return nil, nil
+	}
+	return p.Data, nil
+}
+
+/* AmSetConferenceProperty sets the value of a conference property.
+ * Parameters:
+ *     ctx - Standard Go context value.
+ *     confid - The ID of the conference to set the property for.
+ *     ndx - The index of the property to set.
+ *     val - The new value of the property.
+ * Returns:
+ *     Standard Go error status.
+ */
+func AmSetConferenceProperty(ctx context.Context, confid int32, ndx int32, val *string) error {
+	p, err := internalGetConfProp(ctx, confid, ndx)
+	if err != nil {
+		return err
+	}
+	getConferencePropMutex.Lock()
+	defer getConferencePropMutex.Unlock()
+	if p != nil {
+		_, err = amdb.ExecContext(ctx, "UPDATE propconf SET data = ? WHERE confid = ? AND ndx = ?", val, confid, ndx)
+		if err == nil {
+			p.Data = val
+		}
+	} else {
+		prop := ConferenceProperties{ConfId: confid, Index: ndx, Data: val}
+		_, err := amdb.NamedExecContext(ctx, "INSERT INTO propconf (confid, ndx, data) VALUES(:confid, :ndx, :data)", prop)
+		if err == nil {
+			conferencePropCache.Add(fmt.Sprintf("%d:%d", confid, ndx), prop)
+		}
+	}
+	return err
+}

errors.go

@@ -1,6 +1,6 @@
 /*
  * Amsterdam Web Communities System
- * Copyright (c) 2025 Erbosoft Metaverse Design Solutions, All Rights Reserved
+ * Copyright (c) 2025-2026 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
@@ -10,6 +10,7 @@
 package main
 
 import (
+	"errors"
 	"net/http"
 
 	"git.erbosoft.com/amy/amsterdam/ui"
@@ -17,6 +18,9 @@ import (
 	log "github.com/sirupsen/logrus"
 )
 
+// ENOPERM is the standard "not permitted" error message.
+var ENOPERM error = errors.New("you are not permitted to perform this operation")
+
 /* NotImplPage is used for all TODO links, to show that something hasn't yet been implemented.
  * Parameters:
  *     ctxt - The AmContext for the request.

main.go

@@ -110,6 +110,7 @@ func setupEcho() *echo.Echo {
 	confGroup.GET("/manage", ui.AmWrap(ConfManage))
 	confGroup.POST("/pseud", ui.AmWrap(SetPseud))
 	confGroup.GET("/fixseen", ui.AmWrap(ConfFixseen))
+	confGroup.GET("/edit", ui.AmWrap(EditConferenceForm))
 	confGroup.GET("/hotlist", ui.AmWrap(AddToHotlist))
 	confGroup.GET("/invite", ui.AmWrap(InviteToConference))
 	confGroup.GET("/r/:topic", ui.AmWrap(ReadPosts), ui.SetTopic)

ui/dialog.go

@@ -1,6 +1,6 @@
 /*
  * Amsterdam Web Communities System
- * Copyright (c) 2025 Erbosoft Metaverse Design Solutions, All Rights Reserved
+ * Copyright (c) 2025-2026 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
@@ -238,6 +238,13 @@ func (d *Dialog) SetCommunity(comm *database.Community) {
 	}
 }
 
+// SetConference alters a dialog's content to reflect the conference.
+func (d *Dialog) SetConference(conf *database.Conference, alias string) {
+	d.Title = strings.ReplaceAll(d.Title, "[CONFNAME]", conf.Name)
+	d.Subtitle = strings.ReplaceAll(d.Subtitle, "[CONFNAME]", conf.Name)
+	d.Action = strings.ReplaceAll(d.Action, "[CONFID]", alias)
+}
+
 /* Field returns a pointer to a dialog's field, given its name.
  * Parameters:
  *     name - The name of the field to find.

ui/dialogs/edit_conference.yaml

@@ -0,0 +1,96 @@
+#
+# 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/.
+#
+#
+# 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/.
+#
+name: "conf.edit"
+formName: "editconfform"
+menuSelector: "community"
+title: "Edit Conference:"
+subtitle: "[CONFNAME]"
+action: "/comm/[CID]/conf/[CONFID]/edit"
+fields:
+  - type: "header"
+    name: "header1"
+    caption: "Basic Information"
+  - type: "text"
+    name: "name"
+    caption: "Conference Name"
+    required: true
+    size: 32
+    maxlength: 128
+  - type: "text"
+    name: "descr"
+    caption: "Description"
+    required: false
+    size: 32
+    maxlength: 255
+  - type: "checkbox"
+    name: "hide"
+    caption: "Hide conference in the community's conference list"
+  - type: "header"
+    name: "header2"
+    caption: "Security Information"
+  - type: "rolelist"
+    name: "read_lvl"
+    caption: "Security level required to read conference"
+    required: true
+    param: "Conference.Read"
+  - type: "rolelist"
+    name: "post_lvl"
+    caption: "Security level required to post to conference"
+    required: true
+    param: "Conference.Post"
+  - type: "rolelist"
+    name: "create_lvl"
+    caption: "Security level required to create new topics in conference"
+    required: true
+    param: "Conference.Create"
+  - type: "rolelist"
+    name: "hide_lvl"
+    caption: "Security level required to archive or freeze topics"
+    subcaption: "(or to hide posts of which you are not the owner)"
+    required: true
+    param: "Conference.Hide"
+  - type: "rolelist"
+    name: "nuke_lvl"
+    caption: "Security level required to delete topics or nuke posts"
+    subcaption: "(or to scribble posts of which you are not the owner)"
+    required: true
+    param: "Conference.Nuke"
+  - type: "rolelist"
+    name: "change_lvl"
+    caption: "Security level required to change conference attributes"
+    required: true
+    param: "Conference.Change"
+  - type: "rolelist"
+    name: "delete_lvl"
+    caption: "Security level required to delete conference"
+    required: true
+    param: "Conference.Delete"
+  - type: "header"
+    name: "header3"
+    caption: "Conference Properties"
+  - type: "checkbox"
+    name: "pic_in_post"
+    caption: "Display users' pictures next to their posts"
+    subcaption: "(user can override)"
+  - type: "button"
+    name: "update"
+    caption: "Update"
+    param: "blue"
+  - type: "button"
+    name: "cancel"
+    caption: "Cancel"
+    param: "red"

ui/menudefs.yaml

@@ -92,7 +92,7 @@ menudefs:
       conference. Use with care and review all changes before applying them to the conference.
     items:
       - text: "Change Conference Information"
-        link: "/TODO/comm/[CID]/conf/[CONFID]/info"
+        link: "/comm/[CID]/conf/[CONFID]/edit"
       - text: "Manage Conference Aliases"
         link: "/TODO/comm/[CID]/conf/[CONFID]/aliases"
       - text: "Manage Conference Members"

ui/views/dialog.jet

@@ -1,6 +1,6 @@
 {*
  * Amsterdam Web Communities System
- * Copyright (c) 2025 Erbosoft Metaverse Design Solutions, All Rights Reserved
+ * Copyright (c) 2025-2026 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
@@ -9,10 +9,12 @@
 <!-- BEGIN DIALOG {{ amsterdam_dialog.Name }} -->
 <div class="p-4">
     <div class="mb-6">
-        <h1 class="text-blue-800 text-4xl font-bold mb-2">{{ amsterdam_dialog.Title }}</h1>
+        <div class=" flex items-baseline gap-2">
-        {{ if amsterdam_dialog.Subtitle != "" }}
+            <h1 class="text-blue-800 text-4xl font-bold mb-2">{{ amsterdam_dialog.Title }}</h1>
-            <span class="text-blue-800 text-2xl font-bold ml-2">{{ amsterdam_dialog.Subtitle }}</span>
+            {{ if amsterdam_dialog.Subtitle != "" }}
-        {{ end }}
+                <span class="text-blue-800 text-2xl font-bold ml-2">{{ amsterdam_dialog.Subtitle }}</span>
+            {{ end }}
+        </div>
         <hr class="border-2 border-gray-400 w-4/5 mb-4">
     </div>
     <form name="{{ amsterdam_dialog.FormName }}" method="POST" action="{{ amsterdam_dialog.Action }}" class="max-w-2xl">