547 lines
19 KiB
Go
547 lines
19 KiB
Go
/*
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* Amsterdam Web Communities System
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* Copyright (c) 2025-2026 Erbosoft Metaverse Design Solutions, All Rights Reserved
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/.
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*/
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// Package main contains the high-level Amsterdam logic.
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package main
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import (
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"context"
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"errors"
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"fmt"
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"io"
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"mime/multipart"
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"net/http"
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"strconv"
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"strings"
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"git.erbosoft.com/amy/amsterdam/database"
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"git.erbosoft.com/amy/amsterdam/ui"
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)
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var ENOPERM error = errors.New("you are not permitted to perform this operation")
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// slurpFile reads the contrents of a multipart.File into memory.
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func slurpFile(file *multipart.FileHeader) ([]byte, error) {
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f, err := file.Open()
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if err != nil {
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return nil, err
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}
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defer f.Close()
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return io.ReadAll(f)
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}
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/* AttachmentUpload adds an attachment to a post.
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* Parameters:
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* ctxt - The AmContext for the request.
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* Returns:
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* Command string dictating what to be rendered.
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* Data as a parameter for the command string.
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* Standard Go error status.
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*/
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func AttachmentUpload(ctxt ui.AmContext) (string, any, error) {
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target := ctxt.FormField("tgt")
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postidStr := ctxt.FormField("post")
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postId, err := strconv.ParseInt(postidStr, 10, 64)
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if err != nil {
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return ui.ErrorPage(ctxt, fmt.Errorf("internal error converting postID: %v", err))
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}
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if ctxt.FormFieldIsSet("upload") {
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file, err := ctxt.FormFile("thefile")
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if err == nil {
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var post *database.PostHeader
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post, err = database.AmGetPost(ctxt.Ctx(), postId)
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if err == nil {
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var data []byte
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data, err = slurpFile(file)
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if err == nil {
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err = post.SetAttachment(ctxt.Ctx(), ctxt.CurrentUser(), file.Filename, file.Header.Get("Content-Type"), int32(file.Size), data, ctxt.RemoteIP())
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if err == nil {
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return "redirect", target, nil
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}
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}
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}
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}
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ctxt.VarMap().Set("target", target)
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ctxt.VarMap().Set("post", postId)
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ctxt.VarMap().Set("amsterdam_pageTitle", "Upload Attachment")
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ctxt.VarMap().Set("errorMessage", err.Error())
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return "framed_template", "attachment_upload.jet", nil
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}
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return ui.ErrorPage(ctxt, errors.New("invalid button clicked on form"))
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}
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/* AttachmentSend sends the data of an attachment to the browser.
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* Parameters:
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* ctxt - The AmContext for the request.
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* Returns:
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* Command string dictating what to be rendered.
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* Data as a parameter for the command string.
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* Standard Go error status.
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*/
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func AttachmentSend(ctxt ui.AmContext) (string, any, error) {
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postIdStr := ctxt.URLParam("post")
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postId, err := strconv.ParseInt(postIdStr, 10, 64)
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if err != nil {
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return ui.ErrorPage(ctxt, fmt.Errorf("internal error converting postID: %v", err))
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}
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hdr, err := database.AmGetPost(ctxt.Ctx(), postId)
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if err != nil {
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return ui.ErrorPage(ctxt, err)
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}
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// Retrieve attachment info and data.
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info, err := hdr.AttachmentInfo(ctxt.Ctx())
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if err != nil {
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return ui.ErrorPage(ctxt, err)
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} else if info == nil {
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return ui.ErrorPage(ctxt, errors.New("attachment not found"))
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}
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data, err := hdr.AttachmentData(ctxt.Ctx())
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if err != nil {
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return ui.ErrorPage(ctxt, err)
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}
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// Record a "hit" on this attachment in the background.
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ampool.Submit(func(ctx context.Context) {
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hdr.HitAttachment(ctx)
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})
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// Send the attachment data.
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ctxt.SetOutputType(info.MIMEType)
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if !strings.HasPrefix(info.MIMEType, "image/") {
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ctxt.SetHeader("Content-Disposition", fmt.Sprintf("attachment; filename=\"%s\"", info.Filename))
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}
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return "bytes", data, nil
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}
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/* ConfManage displays the "manage conference" page.
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* Parameters:
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* ctxt - The AmContext for the request.
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* Returns:
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* Command string dictating what to be rendered.
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* Data as a parameter for the command string.
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* Standard Go error status.
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*/
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func ConfManage(ctxt ui.AmContext) (string, any, error) {
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comm := ctxt.CurrentCommunity()
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conf := ctxt.GetScratch("currentConference").(*database.Conference)
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myLevel := ctxt.GetScratch("levelInConference").(uint16)
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urlStem := fmt.Sprintf("/comm/%s/conf/%s", comm.Alias, ctxt.GetScratch("currentAlias"))
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ctxt.VarMap().Set("confName", conf.Name)
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ctxt.VarMap().Set("urlStem", urlStem)
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pseud, err := conf.DefaultPseud(ctxt.Ctx(), ctxt.CurrentUser())
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if err != nil {
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return ui.ErrorPage(ctxt, err)
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}
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ctxt.VarMap().Set("pseud", pseud)
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if ctxt.CurrentUser().IsAnon {
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ctxt.VarMap().Set("canInvite", false)
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} else {
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member, _, _, err := comm.Membership(ctxt.Ctx(), ctxt.CurrentUser())
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if err != nil {
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return ui.ErrorPage(ctxt, err)
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}
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ctxt.VarMap().Set("canInvite", member)
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}
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if conf.TestPermission("Conference.Change", myLevel) || conf.TestPermission("Conference.Delete", myLevel) {
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menu := ui.AmMenu("confhost").FilterConference(comm, ctxt.GetScratch("currentAlias").(string))
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ctxt.VarMap().Set("menu", menu)
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}
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ctxt.VarMap().Set("amsterdam_pageTitle", "Manage Conference: "+conf.Name)
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return "framed_template", "manage_conf.jet", nil
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}
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/* AddToHotlist adds the current community and conference to the user's hotlist..
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* Parameters:
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* ctxt - The AmContext for the request.
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* Returns:
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* Command string dictating what to be rendered.
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* Data as a parameter for the command string.
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* Standard Go error status.
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*/
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func AddToHotlist(ctxt ui.AmContext) (string, any, error) {
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comm := ctxt.CurrentCommunity()
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conf := ctxt.GetScratch("currentConference").(*database.Conference)
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err := database.AmAppendToHotlist(ctxt.Ctx(), ctxt.CurrentUser(), comm.Id, conf.ConfId)
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if err != nil {
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return ui.ErrorPage(ctxt, err)
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}
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return "redirect", fmt.Sprintf("/comm/%s/conf/%s", comm.Alias, ctxt.GetScratch("currentAlias")), nil
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}
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/* HideTopic hides or shows the current topic for the current user.
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* Parameters:
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* ctxt - The AmContext for the request.
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* Returns:
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* Command string dictating what to be rendered.
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* Data as a parameter for the command string.
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* Standard Go error status.
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*/
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func HideTopic(ctxt ui.AmContext) (string, any, error) {
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topic := ctxt.GetScratch("currentTopic").(*database.Topic)
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hidden, err := topic.IsHidden(ctxt.Ctx(), ctxt.CurrentUser())
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if err != nil {
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return ui.ErrorPage(ctxt, err)
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}
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err = topic.SetHidden(ctxt.Ctx(), ctxt.CurrentUser(), !hidden)
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if err != nil {
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return ui.ErrorPage(ctxt, err)
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}
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return "redirect", fmt.Sprintf("/comm/%s/conf/%s/r/%d", ctxt.CurrentCommunity().Alias, ctxt.GetScratch("currentAlias"), topic.Number), nil
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}
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/* FreezeTopic freezes or unfreezes the current topic.
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* Parameters:
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* ctxt - The AmContext for the request.
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* Returns:
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* Command string dictating what to be rendered.
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* Data as a parameter for the command string.
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* Standard Go error status.
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*/
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func FreezeTopic(ctxt ui.AmContext) (string, any, error) {
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conf := ctxt.GetScratch("currentConference").(*database.Conference)
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myLevel := ctxt.GetScratch("levelInConference").(uint16)
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topic := ctxt.GetScratch("currentTopic").(*database.Topic)
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if !conf.TestPermission("Conference.Hide", myLevel) {
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ctxt.SetRC(http.StatusForbidden)
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return ui.ErrorPage(ctxt, ENOPERM)
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}
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err := topic.SetFrozen(ctxt.Ctx(), !topic.Frozen, ctxt.CurrentUser(), ctxt.RemoteIP())
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if err != nil {
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return ui.ErrorPage(ctxt, err)
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}
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return "redirect", fmt.Sprintf("/comm/%s/conf/%s/r/%d", ctxt.CurrentCommunity().Alias, ctxt.GetScratch("currentAlias"), topic.Number), nil
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}
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/* ArchiveTopic archives or unarchives the current topic.
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* Parameters:
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* ctxt - The AmContext for the request.
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* Returns:
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* Command string dictating what to be rendered.
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* Data as a parameter for the command string.
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* Standard Go error status.
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*/
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func ArchiveTopic(ctxt ui.AmContext) (string, any, error) {
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conf := ctxt.GetScratch("currentConference").(*database.Conference)
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myLevel := ctxt.GetScratch("levelInConference").(uint16)
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topic := ctxt.GetScratch("currentTopic").(*database.Topic)
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if !conf.TestPermission("Conference.Hide", myLevel) {
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ctxt.SetRC(http.StatusForbidden)
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return ui.ErrorPage(ctxt, ENOPERM)
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}
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err := topic.SetArchived(ctxt.Ctx(), !topic.Archived, ctxt.CurrentUser(), ctxt.RemoteIP())
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if err != nil {
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return ui.ErrorPage(ctxt, err)
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}
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return "redirect", fmt.Sprintf("/comm/%s/conf/%s/r/%d", ctxt.CurrentCommunity().Alias, ctxt.GetScratch("currentAlias"), topic.Number), nil
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}
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/* StickTopic sticks or unsticks the current topic.
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* Parameters:
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* ctxt - The AmContext for the request.
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* Returns:
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* Command string dictating what to be rendered.
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* Data as a parameter for the command string.
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* Standard Go error status.
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*/
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func StickTopic(ctxt ui.AmContext) (string, any, error) {
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conf := ctxt.GetScratch("currentConference").(*database.Conference)
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myLevel := ctxt.GetScratch("levelInConference").(uint16)
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topic := ctxt.GetScratch("currentTopic").(*database.Topic)
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if !conf.TestPermission("Conference.Hide", myLevel) {
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ctxt.SetRC(http.StatusForbidden)
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return ui.ErrorPage(ctxt, ENOPERM)
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}
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err := topic.SetSticky(ctxt.Ctx(), !topic.Sticky, ctxt.CurrentUser(), ctxt.RemoteIP())
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if err != nil {
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return ui.ErrorPage(ctxt, err)
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}
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return "redirect", fmt.Sprintf("/comm/%s/conf/%s/r/%d", ctxt.CurrentCommunity().Alias, ctxt.GetScratch("currentAlias"), topic.Number), nil
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}
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/* HideMessage hides or shows a topic message.
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* Parameters:
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* ctxt - The AmContext for the request.
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* Returns:
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* Command string dictating what to be rendered.
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* Data as a parameter for the command string.
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* Standard Go error status.
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*/
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func HideMessage(ctxt ui.AmContext) (string, any, error) {
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if ctxt.CurrentUser().IsAnon {
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ctxt.SetRC(http.StatusForbidden)
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return ui.ErrorPage(ctxt, ENOPERM)
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}
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conf := ctxt.GetScratch("currentConference").(*database.Conference)
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myLevel := ctxt.GetScratch("levelInConference").(uint16)
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topic := ctxt.GetScratch("currentTopic").(*database.Topic)
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msgNum, err := strconv.Atoi(ctxt.URLParam("msg"))
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if err != nil {
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return ui.ErrorPage(ctxt, err)
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}
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hdrs, err := database.AmGetPostRange(ctxt.Ctx(), topic, int32(msgNum), int32(msgNum))
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if err != nil {
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return ui.ErrorPage(ctxt, err)
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} else if len(hdrs) != 1 {
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return ui.ErrorPage(ctxt, errors.New("internal error getting post reference"))
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}
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if (hdrs[0].CreatorUid != ctxt.CurrentUserId()) && !conf.TestPermission("Conference.Hide", myLevel) {
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ctxt.SetRC(http.StatusForbidden)
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return ui.ErrorPage(ctxt, ENOPERM)
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}
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err = hdrs[0].SetHidden(ctxt.Ctx(), ctxt.CurrentUser(), !(hdrs[0].Hidden), ctxt.RemoteIP())
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if err != nil {
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return ui.ErrorPage(ctxt, err)
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}
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return "redirect", fmt.Sprintf("/comm/%s/conf/%s/r/%d?r=%d&ac=1", ctxt.CurrentCommunity().Alias, ctxt.GetScratch("currentAlias"), topic.Number, hdrs[0].Num), nil
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}
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/* ScribbleMessage scribbles a topic message.
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* Parameters:
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* ctxt - The AmContext for the request.
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* Returns:
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* Command string dictating what to be rendered.
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* Data as a parameter for the command string.
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* Standard Go error status.
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*/
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func ScribbleMessage(ctxt ui.AmContext) (string, any, error) {
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if ctxt.CurrentUser().IsAnon {
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ctxt.SetRC(http.StatusForbidden)
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return ui.ErrorPage(ctxt, ENOPERM)
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}
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conf := ctxt.GetScratch("currentConference").(*database.Conference)
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myLevel := ctxt.GetScratch("levelInConference").(uint16)
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topic := ctxt.GetScratch("currentTopic").(*database.Topic)
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msgNum, err := strconv.Atoi(ctxt.URLParam("msg"))
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if err != nil {
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return ui.ErrorPage(ctxt, err)
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}
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hdrs, err := database.AmGetPostRange(ctxt.Ctx(), topic, int32(msgNum), int32(msgNum))
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if err != nil {
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return ui.ErrorPage(ctxt, err)
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} else if len(hdrs) != 1 {
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return ui.ErrorPage(ctxt, errors.New("internal error getting post reference"))
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}
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if (hdrs[0].CreatorUid != ctxt.CurrentUserId()) && !conf.TestPermission("Conference.Nuke", myLevel) {
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ctxt.SetRC(http.StatusForbidden)
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return ui.ErrorPage(ctxt, ENOPERM)
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}
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err = hdrs[0].Scribble(ctxt.Ctx(), ctxt.CurrentUser(), ctxt.RemoteIP())
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if err != nil {
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return ui.ErrorPage(ctxt, err)
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}
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return "redirect", fmt.Sprintf("/comm/%s/conf/%s/r/%d?r=%d&ac=1", ctxt.CurrentCommunity().Alias, ctxt.GetScratch("currentAlias"), topic.Number, hdrs[0].Num), nil
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}
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/* NukeMessage nukes (deletes entirely) a topic message.
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* Parameters:
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* ctxt - The AmContext for the request.
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* Returns:
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* Command string dictating what to be rendered.
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* Data as a parameter for the command string.
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* Standard Go error status.
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*/
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func NukeMessage(ctxt ui.AmContext) (string, any, error) {
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if ctxt.CurrentUser().IsAnon {
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ctxt.SetRC(http.StatusForbidden)
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return ui.ErrorPage(ctxt, ENOPERM)
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}
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conf := ctxt.GetScratch("currentConference").(*database.Conference)
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myLevel := ctxt.GetScratch("levelInConference").(uint16)
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topic := ctxt.GetScratch("currentTopic").(*database.Topic)
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msgNum, err := strconv.Atoi(ctxt.URLParam("msg"))
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if err != nil {
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return ui.ErrorPage(ctxt, err)
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}
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hdrs, err := database.AmGetPostRange(ctxt.Ctx(), topic, int32(msgNum), int32(msgNum))
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if err != nil {
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return ui.ErrorPage(ctxt, err)
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} else if len(hdrs) != 1 {
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return ui.ErrorPage(ctxt, errors.New("internal error getting post reference"))
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}
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if !conf.TestPermission("Conference.Nuke", myLevel) {
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ctxt.SetRC(http.StatusForbidden)
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return ui.ErrorPage(ctxt, ENOPERM)
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}
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// Load the message box, and, if we have a valid "yes," then perform the nuke!
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mbox, err := ui.AmLoadMessageBox("nuke")
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if err != nil {
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return ui.ErrorPage(ctxt, err)
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}
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if mbox.Validate(ctxt, "yes") {
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// do the nuking!
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err := hdrs[0].Nuke(ctxt.Ctx(), ctxt.CurrentUser(), ctxt.RemoteIP())
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if err != nil {
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return ui.ErrorPage(ctxt, err)
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}
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return "redirect", fmt.Sprintf("/comm/%s/conf/%s/r/%d", ctxt.CurrentCommunity().Alias, ctxt.GetScratch("currentAlias"), topic.Number), nil
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}
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// Set up to display the message box.
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link, err := hdrs[0].Link(ctxt.Ctx(), "community")
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if err != nil {
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return ui.ErrorPage(ctxt, err)
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}
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creator, err := hdrs[0].Creator(ctxt.Ctx())
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if err != nil {
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return ui.ErrorPage(ctxt, err)
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}
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mbox.SetMessage(fmt.Sprintf(`You are about to nuke message <span class="font-mono font-bold text-red-600"><%s></span>,
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originally composed by <span class="font-bold text-red-600"><%s></span>!`, link, creator.Username))
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mbox.SetLink("no", fmt.Sprintf("/comm/%s/conf/%s/r/%d?r=%d&ac=1", ctxt.CurrentCommunity().Alias, ctxt.GetScratch("currentAlias"), topic.Number, hdrs[0].Num))
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mbox.SetLink("yes", fmt.Sprintf("/comm/%s/conf/%s/op/%d/nuke/%d", ctxt.CurrentCommunity().Alias, ctxt.GetScratch("currentAlias"), topic.Number, hdrs[0].Num))
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return mbox.Render(ctxt)
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}
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func MoveMessageForm(ctxt ui.AmContext) (string, any, error) {
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if ctxt.CurrentUser().IsAnon {
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ctxt.SetRC(http.StatusForbidden)
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return ui.ErrorPage(ctxt, ENOPERM)
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}
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conf := ctxt.GetScratch("currentConference").(*database.Conference)
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myLevel := ctxt.GetScratch("levelInConference").(uint16)
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topic := ctxt.GetScratch("currentTopic").(*database.Topic)
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msgNum, err := strconv.Atoi(ctxt.URLParam("msg"))
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if err != nil {
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return ui.ErrorPage(ctxt, err)
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}
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hdrs, err := database.AmGetPostRange(ctxt.Ctx(), topic, int32(msgNum), int32(msgNum))
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if err != nil {
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return ui.ErrorPage(ctxt, err)
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} else if len(hdrs) != 1 {
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return ui.ErrorPage(ctxt, errors.New("internal error getting post reference"))
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}
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if !conf.TestPermission("Conference.Nuke", myLevel) || !conf.TestPermission("Conference.Post", myLevel) || topic.TopMessage == 0 {
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ctxt.SetRC(http.StatusForbidden)
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return ui.ErrorPage(ctxt, ENOPERM)
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}
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creator, err := hdrs[0].Creator(ctxt.Ctx())
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if err != nil {
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return ui.ErrorPage(ctxt, err)
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}
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ctxt.VarMap().Set("creator", creator)
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|
|
topiclist, err := database.AmListTopics(ctxt.Ctx(), conf.ConfId, ctxt.CurrentUserId(), database.TopicViewAll, database.TopicSortName, true)
|
|
if err != nil {
|
|
return ui.ErrorPage(ctxt, err)
|
|
}
|
|
for i := range topiclist {
|
|
if topiclist[i].TopicID == topic.TopicId {
|
|
topiclist = append(topiclist[:i], topiclist[i+1:]...)
|
|
break
|
|
}
|
|
}
|
|
ctxt.VarMap().Set("topiclist", topiclist)
|
|
|
|
ctxt.VarMap().Set("post", hdrs[0])
|
|
ctxt.VarMap().Set("topMessage", topic.TopMessage)
|
|
formLink := fmt.Sprintf("/comm/%s/conf/%s/op/%d/move/%d", ctxt.CurrentCommunity().Alias, ctxt.GetScratch("currentAlias"), topic.Number, hdrs[0].Num)
|
|
ctxt.VarMap().Set("formLink", formLink)
|
|
ctxt.VarMap().Set("amsterdam_pageTitle", "Move Message")
|
|
|
|
return "framed_template", "move_message.jet", nil
|
|
}
|
|
|
|
/* TopicManage displays the "manage topic" page.
|
|
* 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 TopicManage(ctxt ui.AmContext) (string, any, error) {
|
|
comm := ctxt.CurrentCommunity()
|
|
topic := ctxt.GetScratch("currentTopic").(*database.Topic)
|
|
ctxt.VarMap().Set("backlink", fmt.Sprintf("/comm/%s/conf/%s/r/%d", comm.Alias, ctxt.GetScratch("currentAlias"), topic.Number))
|
|
opsLink := fmt.Sprintf("/comm/%s/conf/%s/op/%d", comm.Alias, ctxt.GetScratch("currentAlias"), topic.Number)
|
|
ctxt.VarMap().Set("opsLink", opsLink)
|
|
ctxt.VarMap().Set("topicName", topic.Name)
|
|
|
|
// Get the invitation flag.
|
|
member, _, _, err := comm.Membership(ctxt.Ctx(), ctxt.CurrentUser())
|
|
if err != nil {
|
|
return ui.ErrorPage(ctxt, err)
|
|
}
|
|
ctxt.VarMap().Set("canInvite", member)
|
|
|
|
// Get the E-mail subscription status.
|
|
sub, err := topic.IsSubscribed(ctxt.Ctx(), ctxt.CurrentUser())
|
|
if err != nil {
|
|
return ui.ErrorPage(ctxt, err)
|
|
}
|
|
ctxt.VarMap().Set("subscribed", sub)
|
|
|
|
// Get the filtered users list.
|
|
bozos, err := topic.GetBozos(ctxt.Ctx(), ctxt.CurrentUser())
|
|
if err != nil {
|
|
return ui.ErrorPage(ctxt, err)
|
|
}
|
|
ctxt.VarMap().Set("bozos", bozos)
|
|
|
|
ctxt.VarMap().Set("amsterdam_pageTitle", "Manage Topic: "+topic.Name)
|
|
return "framed_template", "manage_topic.jet", nil
|
|
}
|
|
|
|
/* TopicSetSubscribe toggles the "subscription" flag on the current topic for the current user.
|
|
* 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 TopicSetSubscribe(ctxt ui.AmContext) (string, any, error) {
|
|
if ctxt.CurrentUser().IsAnon {
|
|
ctxt.SetRC(http.StatusForbidden)
|
|
return ui.ErrorPage(ctxt, ENOPERM)
|
|
}
|
|
comm := ctxt.CurrentCommunity()
|
|
topic := ctxt.GetScratch("currentTopic").(*database.Topic)
|
|
flag, err := topic.IsSubscribed(ctxt.Ctx(), ctxt.CurrentUser())
|
|
if err != nil {
|
|
return ui.ErrorPage(ctxt, err)
|
|
}
|
|
err = topic.SetSubscribed(ctxt.Ctx(), ctxt.CurrentUser(), !flag)
|
|
if err != nil {
|
|
return ui.ErrorPage(ctxt, err)
|
|
}
|
|
return "redirect", fmt.Sprintf("/comm/%s/conf/%s/op/%d/manage", comm.Alias, ctxt.GetScratch("currentAlias"), topic.Number), nil
|
|
}
|
|
|
|
/* TopicRemoveBozo removes filtering from a specified user in the topic.
|
|
* 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 TopicRemoveBozo(ctxt ui.AmContext) (string, any, error) {
|
|
comm := ctxt.CurrentCommunity()
|
|
topic := ctxt.GetScratch("currentTopic").(*database.Topic)
|
|
bozoUid, err := strconv.Atoi(ctxt.URLParam("uid"))
|
|
if err != nil {
|
|
return ui.ErrorPage(ctxt, err)
|
|
}
|
|
err = topic.SetBozo(ctxt.Ctx(), ctxt.CurrentUser(), int32(bozoUid), false)
|
|
if err != nil {
|
|
return ui.ErrorPage(ctxt, err)
|
|
}
|
|
return "redirect", fmt.Sprintf("/comm/%s/conf/%s/op/%d/manage", comm.Alias, ctxt.GetScratch("currentAlias"), topic.Number), nil
|
|
}
|