Groups: Discussions

This commit adds discussions (forums) to groups, similar to how it was implemented in the original VK

Web/Models/Entities/Topic.php

@@ -0,0 +1,86 @@
+<?php declare(strict_types=1);
+namespace openvk\Web\Models\Entities;
+use openvk\Web\Models\RowModel;
+use openvk\Web\Models\Repositories\Clubs;
+use openvk\Web\Util\DateTime;
+
+class Topic extends Postable
+{
+    protected $tableName = "topics";
+    protected $upperNodeReferenceColumnName = "group";
+
+    /**
+     * May return fake owner (group), if flags are [1, (*)]
+     * 
+     * @param bool $honourFlags - check flags
+     */
+    function getOwner(bool $honourFlags = true, bool $real = false): RowModel
+    {
+        if($honourFlags && $this->isPostedOnBehalfOfGroup())
+            return $this->getClub();
+        
+        return parent::getOwner($real);
+    }
+
+    function getClub(): Club
+    {
+        return (new Clubs)->get($this->getRecord()->group);
+    }
+
+    function getTitle(): string
+    {
+        return $this->getRecord()->title;
+    }
+
+    function isClosed(): bool
+    {
+        return (bool) $this->getRecord()->closed;
+    }
+
+    function isPinned(): bool
+    {
+        return (bool) $this->getRecord()->pinned;
+    }
+
+    function getPrettyId(): string
+    {
+        return $this->getRecord()->group . "_" . $this->getVirtualId();
+    }
+
+    function isPostedOnBehalfOfGroup(): bool
+    {
+        return ($this->getRecord()->flags & 0b10000000) > 0;
+    }
+
+    function isDeleted(): bool
+    {
+        return (bool) $this->getRecord()->deleted;
+    }
+
+    function canBeModifiedBy(User $user): bool
+    {
+        return $this->getOwner(false)->getId() === $user->getId() || $this->club->canBeModifiedBy($user);
+    }
+
+    function getLastComment(): ?Comment
+    {
+        $array = iterator_to_array($this->getLastComments(1));
+        return isset($array[0]) ? $array[0] : NULL;
+    }
+
+    function getUpdateTime(): DateTime
+    {
+        $lastComment = $this->getLastComment();
+        if(!is_null($lastComment))
+            return $lastComment->getPublicationTime();
+        else
+            return $this->getEditTime() ?? $this->getPublicationTime();
+    }
+
+    function deleteTopic(): void 
+    {
+        $this->setDeleted(1);
+        $this->unwire();
+        $this->save();
+    }
+}

Web/Models/Repositories/Topics.php

@@ -0,0 +1,73 @@
+<?php declare(strict_types=1);
+namespace openvk\Web\Models\Repositories;
+use openvk\Web\Models\Entities\Topic;
+use openvk\Web\Models\Entities\Club;
+use Nette\Database\Table\ActiveRow;
+use Chandler\Database\DatabaseConnection;
+
+class Topics
+{
+    private $context;
+    private $topics;
+    
+    function __construct()
+    {
+        $this->context = DatabaseConnection::i()->getContext();
+        $this->topics  = $this->context->table("topics");
+    }
+
+    private function toTopic(?ActiveRow $ar): ?Topic
+    {
+        return is_null($ar) ? NULL : new Topic($ar);
+    }
+    
+    function get(int $id): ?Topic
+    {
+        return $this->toTopic($this->topics->get($id));
+    }
+
+    function getTopicById(int $club, int $topic): ?Topic
+    {
+        return $this->toTopic($this->topics->where(["group" => $club, "virtual_id" => $topic, "deleted" => 0])->fetch());
+    }
+    
+    function getClubTopics(Club $club, int $page = 1, ?int $perPage = NULL): \Traversable
+    {
+        $perPage = $perPage ?? OPENVK_DEFAULT_PER_PAGE;
+
+        // Get pinned topics first
+        $query  = "SELECT `id` FROM `topics` WHERE `pinned` = 1 AND `group` = ? AND `deleted` = 0 UNION SELECT `id` FROM `topics` WHERE `pinned` = 0 AND `group` = ? AND `deleted` = 0";
+        $query .= " LIMIT " . $perPage . " OFFSET " . ($page - 1) * $perPage;
+
+        foreach(DatabaseConnection::i()->getConnection()->query($query, $club->getId(), $club->getId()) as $topic) {
+            $topic = $this->get($topic->id);
+            if(!$topic) continue;
+            
+            yield $topic;
+        }
+    }
+    
+    function getClubTopicsCount(Club $club): int
+    {
+        return sizeof($this->topics->where([
+            "group"   => $club->getId(),
+            "deleted" => false
+        ]));
+    }
+
+    function find(Club $club, string $query): \Traversable
+    {
+        return new Util\EntityStream("Topic", $this->topics->where("title LIKE ? AND group = ? AND deleted = 0", "%$query%", $club->getId()));
+    }
+
+    function getLastTopics(Club $club, ?int $count = NULL): \Traversable
+    {
+        $topics = $this->topics->where([
+            "group"   => $club->getId(),
+            "deleted" => false
+        ])->page(1, $count ?? OPENVK_DEFAULT_PER_PAGE)->order("created DESC");
+        
+        foreach($topics as $topic)
+            yield $this->toTopic($topic);
+    }
+}

Web/Presenters/CommentPresenter.php

@@ -1,6 +1,6 @@
 <?php declare(strict_types=1);
 namespace openvk\Web\Presenters;
-use openvk\Web\Models\Entities\{Comment, Photo, Video, User};
+use openvk\Web\Models\Entities\{Comment, Photo, Video, User, Topic};
 use openvk\Web\Models\Entities\Notifications\CommentNotification;
 use openvk\Web\Models\Repositories\Comments;
 
@@ -11,6 +11,7 @@ final class CommentPresenter extends OpenVKPresenter
         "photos"  => "openvk\\Web\\Models\\Repositories\\Photos",
         "videos"  => "openvk\\Web\\Models\\Repositories\\Videos",
         "notes"   => "openvk\\Web\\Models\\Repositories\\Notes",
+        "topics"  => "openvk\\Web\\Models\\Repositories\\Topics",
     ];
     
     function renderLike(int $id): void
@@ -38,6 +39,9 @@ final class CommentPresenter extends OpenVKPresenter
         $entity = $repo->get($eId);
         if(!$entity) $this->notFound();
 
+        if($entity instanceof Topic && $entity->isClosed())
+            $this->notFound();
+        
         $flags = 0;
         if($this->postParam("as_group") === "on")
             $flags |= 0b10000000;

Web/Presenters/GroupPresenter.php

@@ -2,7 +2,7 @@
 namespace openvk\Web\Presenters;
 use openvk\Web\Models\Entities\{Club, Photo};
 use openvk\Web\Models\Entities\Notifications\ClubModeratorNotification;
-use openvk\Web\Models\Repositories\{Clubs, Users, Albums, Managers};
+use openvk\Web\Models\Repositories\{Clubs, Users, Albums, Managers, Topics};
 
 final class GroupPresenter extends OpenVKPresenter
 {
@@ -28,6 +28,8 @@ final class GroupPresenter extends OpenVKPresenter
             $this->template->club        = $club;
             $this->template->albums      = (new Albums)->getClubAlbums($club, 1, 3);
             $this->template->albumsCount = (new Albums)->getClubAlbumsCount($club);
+            $this->template->topics      = (new Topics)->getLastTopics($club, 3);
+            $this->template->topicsCount = (new Topics)->getClubTopicsCount($club);
         }
     }
     
@@ -204,6 +206,7 @@ final class GroupPresenter extends OpenVKPresenter
             $club->setShortcode(empty($this->postParam("shortcode")) ? NULL : $this->postParam("shortcode"));
 	        $club->setWall(empty($this->postParam("wall")) ? 0 : 1);
             $club->setAdministrators_List_Display(empty($this->postParam("administrators_list_display")) ? 0 : $this->postParam("administrators_list_display"));
+            $club->setEveryone_Can_Create_Topics(empty($this->postParam("everyone_can_create_topics")) ? 0 : 1);
             
             $website = $this->postParam("website") ?? "";
             if(empty($website))

Web/Presenters/TopicsPresenter.php

@@ -0,0 +1,191 @@
+<?php declare(strict_types=1);
+namespace openvk\Web\Presenters;
+use openvk\Web\Models\Entities\{Topic, Club, Comment, Photo, Video};
+use openvk\Web\Models\Repositories\{Topics, Clubs};
+
+final class TopicsPresenter extends OpenVKPresenter
+{
+    private $topics;
+    private $clubs;
+    
+    function __construct(Topics $topics, Clubs $clubs)
+    {
+        $this->topics = $topics;
+        $this->clubs  = $clubs;
+        
+        parent::__construct();
+    }
+
+    function renderBoard(int $id): void
+    {
+        $this->assertUserLoggedIn();
+
+        $club = $this->clubs->get($id);
+        if(!$club)
+            $this->notFound();
+
+        $this->template->club = $club;
+        $page = (int) ($this->queryParam("p") ?? 1);
+
+        $query = $this->queryParam("query");
+        if($query) {
+            $results = $this->topics->find($club, $query);
+            $this->template->topics = $results->page($page);
+            $this->template->count  = $results->size();
+        } else {
+            $this->template->topics = $this->topics->getClubTopics($club, $page);
+            $this->template->count  = $this->topics->getClubTopicsCount($club);
+        }
+
+        $this->template->paginatorConf = (object) [
+            "count"   => $this->template->count,
+            "page"    => $page,
+            "amount"  => NULL,
+            "perPage" => OPENVK_DEFAULT_PER_PAGE,
+        ];
+    }
+
+    function renderTopic(int $clubId, int $topicId): void
+    {
+        $this->assertUserLoggedIn();
+
+        $topic = $this->topics->getTopicById($clubId, $topicId);
+        if(!$topic)
+            $this->notFound();
+
+        $this->template->topic    = $topic;
+        $this->template->club     = $topic->getClub();
+        $this->template->count    = $topic->getCommentsCount();
+        $this->template->page     = (int) ($this->queryParam("p") ?? 1);
+        $this->template->comments = iterator_to_array($topic->getComments($this->template->page));
+    }
+
+    function renderCreate(int $clubId): void
+    {
+        $this->assertUserLoggedIn();
+
+        $club = $this->clubs->get($clubId);
+        if(!$club)
+            $this->notFound();
+
+        if(!$club->isEveryoneCanCreateTopics() && !$club->canBeModifiedBy($this->user->identity))
+            $this->notFound();
+
+        
+        if($_SERVER["REQUEST_METHOD"] === "POST") {
+            $this->willExecuteWriteAction();
+            $title = $this->postParam("title");
+
+            if(!$title)
+                $this->flashFail("err", tr("failed_to_create_topic"), tr("no_title_specified"));
+
+            $flags = 0;
+            if($this->postParam("as_group") === "on")
+                $flags |= 0b10000000;
+
+            $topic = new Topic;
+            $topic->setGroup($club->getId());
+            $topic->setOwner($this->user->id);
+            $topic->setTitle(ovk_proc_strtr($title, 127));
+            $topic->setCreated(time());
+            $topic->setFlags($flags);
+            $topic->save();
+            
+            // TODO move to trait
+            try {
+                $photo = NULL;
+                $video = NULL;
+                if($_FILES["_pic_attachment"]["error"] === UPLOAD_ERR_OK) {
+                    $album = NULL;
+                    if($wall > 0 && $wall === $this->user->id)
+                        $album = (new Albums)->getUserWallAlbum($wallOwner);
+                    
+                    $photo = Photo::fastMake($this->user->id, $this->postParam("text"), $_FILES["_pic_attachment"], $album);
+                }
+                
+                if($_FILES["_vid_attachment"]["error"] === UPLOAD_ERR_OK) {
+                    $video = Video::fastMake($this->user->id, $this->postParam("text"), $_FILES["_vid_attachment"]);
+                }
+            } catch(ISE $ex) {
+                $this->flash("err", "Не удалось опубликовать комментарий", "Файл медиаконтента повреждён или слишком велик.");
+                $this->redirect("/topic" . $topic->getPrettyId(), static::REDIRECT_TEMPORARY);
+            }
+            
+            if(!empty($this->postParam("text")) || $photo || $video) {
+                try {
+                    $comment = new Comment;
+                    $comment->setOwner($this->user->id);
+                    $comment->setModel(get_class($topic));
+                    $comment->setTarget($topic->getId());
+                    $comment->setContent($this->postParam("text"));
+                    $comment->setCreated(time());
+                    $comment->setFlags($flags);
+                    $comment->save();
+                } catch (\LengthException $ex) {
+                    $this->flash("err", "Не удалось опубликовать комментарий", "Комментарий слишком большой.");
+                    $this->redirect("/topic" . $topic->getPrettyId(), static::REDIRECT_TEMPORARY);
+                }
+                
+                if(!is_null($photo))
+                    $comment->attach($photo);
+                
+                if(!is_null($video))
+                    $comment->attach($video);
+            }
+
+            $this->redirect("/topic" . $topic->getPrettyId(), static::REDIRECT_TEMPORARY);
+        }
+
+        $this->template->club = $club;
+        $this->template->graffiti = (bool) ovkGetQuirk("comments.allow-graffiti");
+    }
+
+    function renderEdit(int $clubId, int $topicId): void
+    {
+        $this->assertUserLoggedIn();
+
+        $topic = $this->topics->getTopicById($clubId, $topicId);
+        if(!$topic)
+            $this->notFound();
+
+        if(!$topic->canBeModifiedBy($this->user->identity))
+            $this->notFound();
+
+        if($_SERVER["REQUEST_METHOD"] === "POST") {
+            $this->willExecuteWriteAction();
+            $title = $this->postParam("title");
+
+            if(!$title)
+                $this->flashFail("err", tr("failed_to_change_topic"), tr("no_title_specified"));
+
+            $topic->setTitle(ovk_proc_strtr($title, 127));
+            $topic->setClosed(empty($this->postParam("close")) ? 0 : 1);
+            $topic->setPinned(empty($this->postParam("pin")) ? 0 : 1);
+            $topic->save();
+            
+            $this->flash("succ", tr("changes_saved"), tr("topic_changes_saved_comment"));
+            $this->redirect("/topic" . $topic->getPrettyId(), static::REDIRECT_TEMPORARY);
+        }
+
+        $this->template->topic = $topic;
+        $this->template->club  = $topic->getClub();
+    }
+
+    function renderDelete(int $clubId, int $topicId): void
+    {
+        $this->assertUserLoggedIn();
+        $this->assertNoCSRF();
+
+        $topic = $this->topics->getTopicById($clubId, $topicId);
+        if(!$topic)
+            $this->notFound();
+
+        if(!$topic->canBeModifiedBy($this->user->identity))
+            $this->notFound();
+
+        $this->willExecuteWriteAction();
+        $topic->deleteTopic();
+        
+        $this->redirect("/board" . $topic->getClub()->getId(), static::REDIRECT_TEMPORARY);
+    }
+}

Web/Presenters/templates/Group/Edit.xml

@@ -77,6 +77,14 @@
                             <input type="checkbox" name="wall" value="1" {if $club->canPost()}checked{/if}/> {_group_allow_post_for_everyone}
                         </td>
                     </tr>
+                    <tr>
+                        <td width="120" valign="top">
+                            <span class="nobold">{_discussions}: </span>
+                        </td>
+                        <td>
+                            <input type="checkbox" name="everyone_can_create_topics" value="1" n:attr="checked => $club->isEveryoneCanCreateTopics()" /> {_everyone_can_create_topics}
+                        </td>
+                    </tr>
                     <tr>
                         <td width="120" valign="top">
                             <span class="nobold">{_group_administrators_list}: </span>

Web/Presenters/templates/Group/View.xml

@@ -197,12 +197,31 @@
                     </div>
                     <div>
                         <b><a href="/album{$album->getPrettyId()}">{$album->getName()}</a></b><br>
-                        <span class="nobold">Обновлён {$album->getEditTime() ?? $album->getCreationTime()}</span>
+                        <span class="nobold">{tr("updated_at", $album->getEditTime() ?? $album->getCreationTime())}</span>
                     </div>
                 </div>
             </div>
         </div>
     </div>
+    <div n:if="$topicsCount > 0 || $club->isEveryoneCanCreateTopics() || $club->canBeModifiedBy($thisUser)">
+        <div class="content_title_expanded" onclick="hidePanel(this, {$topicsCount});">
+            {_discussions}
+        </div>
+        <div>
+            <div class="content_subtitle">
+                {tr("topics", $topicsCount)}
+                <div style="float: right;">
+                    <a href="/board{$club->getId()}">{_"all_title"}</a>
+                </div>
+            </div>
+            <div>
+                <div n:foreach="$topics as $topic" style="border-bottom: #e6e6e6 solid 1px; padding: 2px;">
+                    <b><a href="/topic{$topic->getPrettyId()}">{$topic->getTitle()}</a></b><br>
+                    <span class="nobold">{tr("updated_at", $topic->getUpdateTime())}</span>
+                </div>
+            </div>
+        </div>
+    </div>
 </div>
 
 {/block}

Web/Presenters/templates/Topics/Board.xml

@@ -0,0 +1,61 @@
+{extends "../@listView.xml"}
+{var iterator = iterator_to_array($topics)}
+{var page     = $paginatorConf->page}
+
+{block title}{_discussions} {$club->getCanonicalName()}{/block}
+
+{block header}
+    <a href="{$club->getURL()}">{$club->getCanonicalName()}</a> » {_discussions}
+    
+    <div n:if="$club->isEveryoneCanCreateTopics() || $club->canBeModifiedBy($thisUser)" style="float: right;">
+        <a href="/board{$club->getId()}/create">{_create_topic}</a>
+    </div>
+{/block}
+
+{block tabs}
+    <form style="margin-left: 12px;">
+        <input name="query" class="header_search_input" placeholder="{_"header_search"}" value="{$_GET['query'] ?? ''}" style="width: 90%" />
+        <input type="submit" class="button" value="{_"search_button"}" style="width: 7%" />
+    </form>
+    
+    <p style="margin-left: 15px;">
+        <b>{tr("results", $count)}</b>
+    </p>
+{/block}
+
+{block actions}
+    
+{/block}
+
+{* BEGIN ELEMENTS DESCRIPTION *}
+
+{block link|strip|stripHtml}
+    /topic{$x->getPrettyId()}
+{/block}
+
+{block preview}
+
+{/block}
+
+{block name}
+    {$x->getTitle()}
+    <div n:if="$x->isPinned()" class="pinned-mark"></div>
+{/block}
+
+{block description}
+    <div style="float: left;">
+        {tr("messages", $x->getCommentsCount())}
+    </div>
+    {var lastComment = $x->getLastComment()}
+    <div n:if="$lastComment" class="avatar-list-item" style="float: right;">
+        <div class="avatar">
+            <a href="{$lastComment->getOwner()->getURL()}">
+                <img class="ava" src="{$lastComment->getOwner()->getAvatarUrl()}" />
+            </a>
+        </div>
+        <div class="info">
+            <a href="{$lastComment->getOwner()->getURL()}" class="title">{$lastComment->getOwner()->getCanonicalName()}</a>
+            <div class="subtitle">{_replied} {$lastComment->getPublicationTime()}</div>
+        </div>
+    </div>
+{/block}

Web/Presenters/templates/Topics/Create.xml

@@ -0,0 +1,96 @@
+{extends "../@layout.xml"}
+{block title}{_new_topic}{/block}
+
+{block header}
+    <a href="{$club->getURL()}">{$club->getCanonicalName()}</a>
+    » 
+    <a href="/board{$club->getId()}">{_discussions}</a>
+    » 
+    {_new_topic}
+{/block}
+
+{block content}
+    <form method="POST" enctype="multipart/form-data">
+        <table cellspacing="7" cellpadding="0" width="80%" border="0" align="center">
+            <tbody>
+                <tr>
+                    <td width="120" valign="top">
+                        <span class="nobold">{_title}</span>
+                    </td>
+                    <td>
+                        <input type="text" name="title" style="width: 100%;" />
+                    </td>
+                </tr>
+                <tr>
+                    <td width="120" valign="top">
+                        <span class="nobold">{_text}</span>
+                    </td>
+                    <td>
+                        <textarea id="wall-post-input1" name="text" style="width: 100%; resize: none;"></textarea>
+                        <div n:if="$club->canBeModifiedBy($thisUser)" class="post-opts">
+                            <label>
+                                <input type="checkbox" name="as_group" onchange="onWallAsGroupClick(this)" /> {_post_as_group}
+                            </label>
+                        </div>
+                        <div id="post-buttons1">
+                            <div class="post-upload">
+                                {_attachment}: <span>(unknown)</span>
+                            </div>
+                            <input type="file" class="postFileSel" id="postFilePic" name="_pic_attachment" accept="image/*" style="display: none;" />
+                            <input type="file" class="postFileSel" id="postFileVid" name="_vid_attachment" accept="video/*" style="display: none;" />
+                            <br/>
+                            <div style="float: right; display: flex; flex-direction: column;">
+                                <a href="javascript:void(u('#post-buttons1 #wallAttachmentMenu').toggleClass('hidden'));">
+                                    {_attach}
+                                </a>
+                                
+                                <div id="wallAttachmentMenu" class="hidden">
+                                    <a href="javascript:void(document.querySelector('#post-buttons1 input[name=_pic_attachment]').click());">
+                                        <img src="/assets/packages/static/openvk/img/oxygen-icons/16x16/mimetypes/application-x-egon.png" />
+                                        {_attach_photo}
+                                    </a>
+                                    <a href="javascript:void(document.querySelector('#post-buttons1 input[name=_vid_attachment]').click());">
+                                        <img src="/assets/packages/static/openvk/img/oxygen-icons/16x16/mimetypes/application-vnd.rn-realmedia.png" />
+                                        {_attach_video}
+                                    </a>
+                                    <a n:if="$graffiti ?? false" href="javascript:initGraffiti(1);">
+                                        <img src="/assets/packages/static/openvk/img/oxygen-icons/16x16/actions/draw-brush.png" />
+                                        {_draw_graffiti}
+                                    </a>
+                                </div>
+                            </div>
+                        </div>
+                    </td>
+                </tr>
+                <tr>
+                    <td>
+                        
+                    </td>
+                    <td>
+                        <input type="hidden" name="hash" value="{$csrfToken}" />
+                        <input type="submit" value="{_create_topic}" class="button" />
+                    </td>
+                </tr>
+            </tbody>
+        </table>
+
+        <input type="hidden" name="hash" value="{$csrfToken}" />
+    </form>
+
+    <script>
+        $(document).ready(() => {
+            u("#post-buttons1 .postFileSel").on("change", function() {
+                handleUpload.bind(this, 1)();
+            });
+
+            setupWallPostInputHandlers(1);
+        });
+    </script>
+
+    {if $graffiti}
+        {script "js/node_modules/react/dist/react-with-addons.min.js"}
+        {script "js/node_modules/react-dom/dist/react-dom.min.js"}
+        {script "js/vnd_literallycanvas.js"}
+        {css "js/node_modules/literallycanvas/lib/css/literallycanvas.css"}
+    {/if}
+{/block}

Web/Presenters/templates/Topics/Edit.xml

@@ -0,0 +1,53 @@
+{extends "../@layout.xml"}
+{block title}{_edit_topic} "{$topic->getTitle()}"{/block}
+
+{block header}
+    <a href="{$club->getURL()}">{$club->getCanonicalName()}</a>
+    » 
+    <a href="/board{$club->getId()}">{_discussions}</a>
+    » 
+    {_edit_topic}
+{/block}
+
+{block content}
+    <div class="container_gray">
+        <b>{$topic->getTitle()}</b>
+        <br />
+        <a href="{$topic->getOwner()->getURL()}">{$topic->getOwner()->getCanonicalName()}</a>
+    </div>
+
+    <form method="POST" enctype="multipart/form-data" style="margin-top: 20px;">
+        <table cellspacing="7" cellpadding="0" width="80%" border="0" align="center">
+            <tbody>
+                <tr>
+                    <td width="120" valign="top">
+                        <span class="nobold">{_title}</span>
+                    </td>
+                    <td>
+                        <input type="text" name="title" style="width: 100%;" value="{$topic->getTitle()}" />
+                    </td>
+                </tr>
+                <tr>
+                    <td width="120" valign="top">
+                        <span class="nobold">{_topic_settings}</span>
+                    </td>
+                    <td>
+                        <input type="checkbox" name="pin" n:attr="checked => $topic->isPinned()" /> {_pin_topic}<br />
+                        <input type="checkbox" name="close" n:attr="checked => $topic->isClosed()" /> {_close_topic}
+                    </td>
+                </tr>
+                <tr>
+                    <td>
+                        <a class="button" href="/topic{$topic->getPrettyId()}/delete?hash={urlencode($csrfToken)}">{_delete_topic}</a>
+                    </td>
+                    <td>
+                        <input type="hidden" name="hash" value="{$csrfToken}" />
+                        <input type="submit" value="{_save}" class="button" />
+                    </td>
+                </tr>
+            </tbody>
+        </table>
+
+        <input type="hidden" name="hash" value="{$csrfToken}" />
+    </form>
+{/block}

Web/Presenters/templates/Topics/Topic.xml

@@ -0,0 +1,25 @@
+{extends "../@layout.xml"}
+{block title}{_view_topic} "{$topic->getTitle()}"{/block}
+
+{block header}
+    <a href="{$club->getURL()}">{$club->getCanonicalName()}</a>
+    » 
+    <a href="/board{$club->getId()}">{_discussions}</a>
+    » 
+    {_view_topic}
+
+    <div style="float: right;" n:if="$topic->canBeModifiedBy($thisUser)">
+        <a href="/topic{$club->getId()}_{$topic->getVirtualId()}/edit">{_edit_topic_action}</a>
+    </div>
+{/block}
+
+{block content}
+    <div class="container_gray">
+        <b>{$topic->getTitle()}</b>
+        <br />
+        <a href="{$topic->getOwner()->getURL()}">{$topic->getOwner()->getCanonicalName()}</a>
+    </div>
+    <div style="margin-top: 20px;">
+        {include "../components/comments.xml", comments => $comments, count => $count, page => $page, model => "topics", club => $club, readOnly => $topic->isClosed(), parent => $topic}
+    </div>
+{/block}

Web/Presenters/templates/components/notifications/2/_21_18_.xml

@@ -0,0 +1,6 @@
+{extends "@default.xml"}
+{var post = $notification->getModel(0)}
+
+{block under}
+    {_nt_yours_adjective} <a href="/topic{$post->getPrettyId()}">{_nt_topic_instrumental}</a>
+{/block}

Web/di.yml

@@ -19,6 +19,7 @@ services:
     - openvk\Web\Presenters\AdminPresenter
     - openvk\Web\Presenters\GiftsPresenter
     - openvk\Web\Presenters\MessengerPresenter
+    - openvk\Web\Presenters\TopicsPresenter
     - openvk\Web\Presenters\ThemepacksPresenter
     - openvk\Web\Presenters\VKAPIPresenter
     - openvk\Web\Models\Repositories\Users
@@ -36,4 +37,5 @@ services:
     - openvk\Web\Models\Repositories\IPs
     - openvk\Web\Models\Repositories\Vouchers
     - openvk\Web\Models\Repositories\Gifts
+    - openvk\Web\Models\Repositories\Topics
     - openvk\Web\Models\Repositories\ContentSearchRepository

Web/routes.yml

@@ -163,6 +163,16 @@ routes:
       handler: "User->pinClub"
     - url: "/groups_create"
       handler: "Group->create"
+    - url: "/board{num}"
+      handler: "Topics->board"
+    - url: "/board{num}/create"
+      handler: "Topics->create"
+    - url: "/topic{num}_{num}"
+      handler: "Topics->topic"
+    - url: "/topic{num}_{num}/edit"
+      handler: "Topics->edit"
+    - url: "/topic{num}_{num}/delete"
+      handler: "Topics->delete"
     - url: "/audios{num}"
       handler: "Audios->app"
     - url: "/audios{num}.json"

Web/static/css/style.css

@@ -1673,3 +1673,12 @@ body.scrolled .toTop:hover {
     color: #7b7b7b;
     margin-top: 5px;
 }
+
+.pinned-mark {
+    display: inline-block;
+    height: 16px;
+    width: 16px;
+    overflow: auto;
+    background: url("/assets/packages/static/openvk/img/pin.png") no-repeat 0px 0px;
+    vertical-align: middle;
+}

data/modelCodes.json

@@ -17,5 +17,6 @@
     "openvk\\Web\\Models\\Entities\\TicketComment":17,
     "openvk\\Web\\Models\\Entities\\User":18,
     "openvk\\Web\\Models\\Entities\\Video":19,
-    "openvk\\Web\\Models\\Entities\\Gift":20
+    "openvk\\Web\\Models\\Entities\\Gift":20,
+    "openvk\\Web\\Models\\Entities\\Topic":21
 }

install/sqls/00014-group-discussions.sql

@@ -0,0 +1,22 @@
+ALTER TABLE `groups` ADD COLUMN `everyone_can_create_topics` boolean NOT NULL AFTER `administrators_list_display`;
+
+CREATE TABLE IF NOT EXISTS `topics` (
+  `id` bigint(20) unsigned NOT NULL,
+  `group` bigint(20) unsigned NOT NULL,
+  `owner` bigint(20) unsigned NOT NULL,
+  `virtual_id` bigint(20) unsigned NOT NULL,
+  `created` bigint(20) unsigned NOT NULL,
+  `edited` bigint(20) unsigned DEFAULT NULL,
+  `title` varchar(128) COLLATE utf8mb4_unicode_520_ci NOT NULL,
+  `closed` boolean NOT NULL DEFAULT FALSE,
+  `pinned` boolean NOT NULL DEFAULT FALSE,
+  `flags` tinyint(3) unsigned DEFAULT NULL,
+  `deleted` tinyint(1) DEFAULT 0,
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_520_ci;
+
+ALTER TABLE `topics`
+  PRIMARY KEY (`id`),
+  KEY `group` (`group`);
+
+ALTER TABLE `topics`
+  MODIFY `id` bigint(20) UNSIGNED NOT NULL AUTO_INCREMENT;

locales/en.strings

@@ -484,6 +484,7 @@
 "nt_post_instrumental" = "post";
 "nt_note_instrumental" = "note";
 "nt_photo_instrumental" = "photo";
+"nt_topic_instrumental" = "topic";
 
 /* Time */
 
@@ -590,6 +591,39 @@
 "banned_2" = "And the reason for this is simple: <b>$1</b>. Unfortunately, this time we had to block you forever.";
 "banned_3" = "You can still <a href=\"/support?act=new\">write to the support</a> if you think there was an error or <a href=\"/logout?hash=$1\">logout</a>.";
 
+/* Discussions */
+
+"discussions" = "Discussions";
+
+"messages_one" = "One message";
+"messages_other" = "$1 messages";
+
+"replied" = "replied";
+"create_topic" = "Create a topic";
+
+"new_topic" = "New topic";
+"title" = "Title";
+"text" = "Text";
+
+"view_topic" = "View topic";
+"edit_topic_action" = "Edit topic";
+"edit_topic" = "Edit topic";
+"topic_settings" = "Topic settings";
+"pin_topic" = "Pin topic";
+"close_topic" = "Close topic";
+"delete_topic" = "Delete topic";
+
+"topics_one" = "One topic";
+"topics_other" = "$1 topics";
+
+"everyone_can_create_topics" = "Everyone can create topics";
+
+"topic_changes_saved_comment" = "The updated title and settings will appear on the topic page.";
+
+"failed_to_create_topic" = "Failed to create topic";
+"failed_to_change_topic" = "Failed to change topic";
+"no_title_specified" = "No title specified.";
+
 /* Errors */
 
 "error_1" = "Incorrect query";

locales/ru.strings

@@ -504,6 +504,7 @@
 "nt_post_instrumental" = "постом";
 "nt_note_instrumental" = "заметкой";
 "nt_photo_instrumental" = "фотографией";
+"nt_topic_instrumental" = "темой";
 
 /* Time */
 
@@ -615,6 +616,43 @@
 "banned_2" = "А причина этому проста: <b>$1</b>. К сожалению, на этот раз нам пришлось заблокировать вас навсегда.";
 "banned_3" = "Вы всё ещё можете <a href=\"/support?act=new\">написать в службу поддержки</a>, если считаете что произошла ошибка или <a href=\"/logout?hash=$1\">выйти</a>.";
 
+/* Discussions */
+
+"discussions" = "Обсуждения";
+
+"messages_one" = "Одно сообщение";
+"messages_few" = "$1 сообщения";
+"messages_many" = "$1 сообщений";
+"messages_other" = "$1 сообщений";
+
+"replied" = "ответил";
+"create_topic" = "Создать тему";
+
+"new_topic" = "Новая тема";
+"title" = "Заголовок";
+"text" = "Текст";
+
+"view_topic" = "Просмотр темы";
+"edit_topic_action" = "Редактировать тему";
+"edit_topic" = "Редактирование темы";
+"topic_settings" = "Настройки темы";
+"pin_topic" = "Закрепить тему";
+"close_topic" = "Закрыть тему";
+"delete_topic" = "Удалить тему";
+
+"topics_one" = "Одна тема";
+"topics_few" = "$1 темы";
+"topics_many" = "$1 тема";
+"topics_other" = "$1 тем";
+
+"everyone_can_create_topics" = "Все могут создавать темы";
+
+"topic_changes_saved_comment" = "Обновлённый заголовок и настройки появятся на странице с темой.";
+
+"failed_to_create_topic" = "Не удалось создать тему";
+"failed_to_change_topic" = "Не удалось изменить тему";
+"no_title_specified" = "Заголовок не указан.";
+
 /* Errors */
 
 "error_1" = "Некорректный запрос";