gnu-social/src/Entity/Note.php

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<?php
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declare(strict_types = 1);
// {{{ License
// This file is part of GNU social - https://www.gnu.org/software/social
//
// GNU social is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// GNU social is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with GNU social. If not, see <http://www.gnu.org/licenses/>.
// }}}
namespace App\Entity;
use App\Core\Cache;
use App\Core\DB\DB;
use App\Core\Entity;
use App\Core\Event;
use App\Core\Log;
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use App\Core\Router\Router;
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use App\Core\VisibilityScope;
use App\Util\Exception\ClientException;
use App\Util\Exception\NoSuchNoteException;
use App\Util\Formatting;
use Component\Avatar\Avatar;
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use Component\Conversation\Entity\Conversation;
use Component\Language\Entity\Language;
use function App\Core\I18n\_m;
/**
* Entity for notices
*
* @category DB
* @package GNUsocial
*
* @author Hugo Sales <hugo@hsal.es>
* @copyright 2020-2021 Free Software Foundation, Inc http://www.fsf.org
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
*/
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class Note extends Entity
{
// {{{ Autocode
// @codeCoverageIgnoreStart
private int $id;
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private int $actor_id;
private ?string $content = null;
private string $content_type = 'text/plain';
private ?string $rendered = null;
private int $conversation_id;
private ?int $reply_to = null;
private bool $is_local;
private ?string $source = null;
private int $scope = 1; //VisibilityScope::EVERYWHERE->value;
private ?string $url = null;
private ?int $language_id = null;
private \DateTimeInterface $created;
private \DateTimeInterface $modified;
public function setId(int $id): self
{
$this->id = $id;
return $this;
}
public function getId(): int
{
return $this->id;
}
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public function setActorId(int $actor_id): self
{
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$this->actor_id = $actor_id;
return $this;
}
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public function getActorId(): int
{
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return $this->actor_id;
}
public function setContent(?string $content): self
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{
$this->content = $content;
return $this;
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}
public function getContent(): ?string
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{
return $this->content;
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}
public function setContentType(string $content_type): self
{
$this->content_type = \mb_substr($content_type, 0, 129);
return $this;
}
public function getContentType(): string
{
return $this->content_type;
}
public function setRendered(?string $rendered): self
{
$this->rendered = $rendered;
return $this;
}
public function getRendered(): ?string
{
return $this->rendered;
}
public function setConversationId(int $conversation_id): self
{
$this->conversation_id = $conversation_id;
return $this;
}
public function getConversationId(): int
{
return $this->conversation_id;
}
public function setReplyTo(?int $reply_to): self
{
$this->reply_to = $reply_to;
return $this;
}
public function getReplyTo(): ?int
{
return $this->reply_to;
}
public function setIsLocal(bool $is_local): self
{
$this->is_local = $is_local;
return $this;
}
public function getIsLocal(): bool
{
return $this->is_local;
}
public function setSource(?string $source): self
{
$this->source = \is_null($source) ? null : \mb_substr($source, 0, 32);
return $this;
}
public function getSource(): ?string
{
return $this->source;
}
public function setScope(VisibilityScope|int $scope): self
{
$this->scope = is_int($scope) ? $scope : $scope->value;
return $this;
}
public function getScope(): VisibilityScope
{
return VisibilityScope::from($this->scope);
}
public function setUrl(?string $url): self
{
$this->url = $url;
return $this;
}
public function getUrl(): ?string
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{
return $this->url;
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}
public function setLanguageId(?int $language_id): self
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{
$this->language_id = $language_id;
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return $this;
}
public function getLanguageId(): ?int
{
return $this->language_id;
}
public function setCreated(\DateTimeInterface $created): self
{
$this->created = $created;
return $this;
}
public function getCreated(): \DateTimeInterface
{
return $this->created;
}
public function setModified(\DateTimeInterface $modified): self
{
$this->modified = $modified;
return $this;
}
public function getModified(): \DateTimeInterface
{
return $this->modified;
}
// @codeCoverageIgnoreEnd
// }}} Autocode
public static function cacheKeys(int $note_id)
{
return [
'note' => "note-{$note_id}",
'attachments' => "note-attachments-{$note_id}",
'attachments-title' => "note-attachments-with-title-{$note_id}",
'links' => "note-links-{$note_id}",
'tags' => "note-tags-{$note_id}",
'replies' => "note-replies-{$note_id}",
];
}
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public function getConversation(): Conversation
{
return Conversation::getByPK(['id' => $this->getConversationId()]);
}
public function getConversationUrl(int $type = Router::ABSOLUTE_URL): ?string
{
return Router::url('conversation', ['conversation_id' => $this->getConversationId()], $type);
}
public function getConversationUri(): string
{
return $this->getConversationUrl(type: Router::ABSOLUTE_URL);
}
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public function getActor(): Actor
{
return Actor::getById($this->getActorId());
}
public function getActorNickname(): string
{
return Actor::getNicknameById($this->getActorId());
}
public function getActorFullname(): ?string
{
return Actor::getFullnameById($this->getActorId());
}
public function getActorAvatarUrl(string $size = 'medium'): string
{
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return Avatar::getUrl($this->getActorId(), $size);
}
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public static function getById(int $note_id): self
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{
return Cache::get(self::cacheKeys($note_id)['note'], fn () => DB::findOneBy('note', ['id' => $note_id]));
}
public function getNoteLanguageShortDisplay(): ?string
{
return !\is_null($this->getLanguageId()) ? Language::getById($this->getLanguageId())->getShortDisplay() : null;
}
public function getLanguageLocale(): ?string
{
return !\is_null($this->getLanguageId()) ? Language::getById($this->getLanguageId())->getLocale() : null;
}
public function getRenderedSplit(): array
{
return preg_split('/(<\s*p\s*\/?>)|(<\s*br\s*\/?>)|(\s\s+)|(<\s*\/p\s*\/?>)/', $this->getRendered(), -1, PREG_SPLIT_NO_EMPTY);
}
public static function getAllNotesByActor(Actor $actor): array
{
return DB::findBy('note', ['actor_id' => $actor->getId()], order_by: ['created' => 'DESC', 'id' => 'DESC']);
}
public function getAttachments(): array
{
return Cache::getList(self::cacheKeys($this->getId())['attachments'], function () {
return DB::dql(
<<<'EOF'
select att from attachment att
join attachment_to_note atn with atn.attachment_id = att.id
where atn.note_id = :note_id
EOF,
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['note_id' => $this->id],
);
});
}
public function getAttachmentsWithTitle(): array
{
return Cache::getList(self::cacheKeys($this->getId())['attachments-title'], function () {
$from_db = DB::dql(
<<<'EOF'
select att, atn.title
from attachment att
join attachment_to_note atn with atn.attachment_id = att.id
where atn.note_id = :note_id
EOF,
['note_id' => $this->id],
);
$results = [];
foreach ($from_db as $fd) {
$results[] = [$fd[0], $fd['title']];
}
return $results;
});
}
public function getLinks(): array
{
return Cache::getList(self::cacheKeys($this->getId())['links'], function () {
return DB::dql(
<<<'EOF'
select l from link l
join note_to_link ntl with ntl.link_id = l.id
where ntl.note_id = :note_id
EOF,
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['note_id' => $this->id],
);
});
}
public function getTags(): array
{
return Cache::getList(self::cacheKeys($this->getId())['tags'], fn () => DB::findBy('note_tag', ['note_id' => $this->getId()]));
}
/**
* Returns this Note's reply_to/parent.
*
* If we don't know the reply, we might know the **Conversation**!
* This will happen if a known remote user replies to an
* unknown remote user - within a known Conversation.
*
* As such, **do not take for granted** that this is a root
* Note of a Conversation, in case this returns null!
* Whenever a note is created, checks should be made
* to guarantee that the latest info is correct.
*/
public function getReplyToNote(): ?self
{
return is_null($this->getReplyTo()) ? null : self::getById($this->getReplyTo());
}
/**
* Returns all **known** replies made to this entity
*/
public function getReplies(): array
{
return Cache::getList(self::cacheKeys($this->getId())['replies'], fn () => DB::findBy('note', ['reply_to' => $this->getId()], order_by: ['created' => 'DESC', 'id' => 'DESC']));
}
/**
* Whether this note is visible to the given actor
*/
public function isVisibleTo(null|Actor|LocalUser $actor): bool
{
// TODO: cache this
switch ($this->getScope()) {
case VisibilityScope::LOCAL: // The controller handles it if private
case VisibilityScope::EVERYWHERE:
return true;
case VisibilityScope::ADDRESSEE:
// If the actor is logged in and
if (!\is_null($actor)
&& (
// Is either the author Or
$this->getActorId() == $actor->getId()
// one of the targets
|| \in_array($actor->getId(), $this->getNotificationTargetIds())
)) {
return true;
}
return false;
case VisibilityScope::GROUP:
// Only for the group to see
return !\is_null($actor) && DB::dql(
<<<'EOF'
select m from group_member m
join group_inbox i with m.group_id = i.group_id
join note n with i.activity_id = n.id
where n.id = :note_id and m.actor_id = :actor_id
EOF,
['note_id' => $this->id, 'actor_id' => $actor->getId()],
) !== [];
case VisibilityScope::COLLECTION:
case VisibilityScope::MESSAGE:
// Only for the collection to see
return !\is_null($actor) && in_array($actor->getId(), $this->getNotificationTargetIds());
default:
Log::error("Unknown scope found: {$this->getScope()->value}.");
}
return false;
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}
/**
* @return array of ids of Actors
*/
private array $object_mentions_ids = [];
public function setObjectMentionsIds(array $mentions): self
{
$this->object_mentions_ids = $mentions;
return $this;
}
/**
* @see Entity->getNotificationTargetIds
*/
public function getNotificationTargetIds(array $ids_already_known = [], ?int $sender_id = null, bool $include_additional = true): array
{
$target_ids = $this->object_mentions_ids ?? [];
if ($target_ids === []) {
$content = $this->getContent();
if (!\array_key_exists('object', $ids_already_known)) {
if (!\is_null($content)) {
$mentions = Formatting::findMentions($content, $this->getActor());
foreach ($mentions as $mention) {
foreach ($mention['mentioned'] as $m) {
$target_ids[] = $m->getId();
}
}
}
} else {
$target_ids = $ids_already_known['object'];
}
}
if (!\array_key_exists('object-related', $ids_already_known)) {
if (!is_null($parent = $this->getReplyToNote())) {
$target_ids[] = $parent->getActorId();
array_push($target_ids, ...$parent->getNotificationTargetIds());
}
} else {
array_push($target_ids, ...$ids_already_known['object-related']);
}
// Additional actors that should know about this
if ($include_additional && \array_key_exists('additional', $ids_already_known)) {
array_push($target_ids, ...$ids_already_known['additional']);
}
return array_unique($target_ids);
}
/**
* @return array of Actors
*/
public function getNotificationTargets(array $ids_already_known = [], ?int $sender_id = null, bool $include_additional = true): array
{
if ($include_additional && \array_key_exists('additional', $ids_already_known)) {
$target_ids = $this->getNotificationTargetIds($ids_already_known, $sender_id);
return $target_ids === [] ? [] : DB::findBy('actor', ['id' => $target_ids]);
}
$mentioned = [];
if (!\array_key_exists('object', $ids_already_known)) {
$mentions = Formatting::findMentions($this->getContent(), $this->getActor());
foreach ($mentions as $mention) {
foreach ($mention['mentioned'] as $m) {
$mentioned[] = $m;
}
}
} else {
$mentioned = $ids_already_known['object'] === [] ? [] : DB::findBy('actor', ['id' => $ids_already_known['object']]);
}
if (!\array_key_exists('object-related', $ids_already_known)) {
if (!is_null($parent = $this->getReplyToNote())) {
$mentioned[] = $parent->getActor();
array_push($mentioned, ...$parent->getNotificationTargets());
}
} else {
array_push($mentioned, ...$ids_already_known['object-related']);
}
return $mentioned;
}
public function delete(?Actor $actor = null, string $source = 'web'): Activity
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{
Event::handle('NoteDeleteRelated', [&$this, $actor]);
DB::persist($activity = Activity::create([
'actor_id' => $actor->getId(),
'verb' => 'delete',
'object_type' => 'note',
'object_id' => $this->getId(),
'source' => $source,
]));
DB::remove(DB::findOneBy(self::class, ['id' => $this->id]));
return $activity;
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}
public static function ensureCanInteract(?Note $note, LocalUser|Actor $actor): Note
{
if (\is_null($note)) {
throw new NoSuchNoteException();
} elseif (!$note->isVisibleTo($actor)) {
throw new ClientException(_m('You don\'t have permissions to view this note.'), 401);
} else {
return $note;
}
}
public static function schemaDef(): array
{
return [
'name' => 'note',
'fields' => [
'id' => ['type' => 'serial', 'not null' => true],
'actor_id' => ['type' => 'int', 'foreign key' => true, 'target' => 'Actor.id', 'multiplicity' => 'one to one', 'not null' => true, 'description' => 'who made the note'],
'content' => ['type' => 'text', 'description' => 'note content'],
'content_type' => ['type' => 'varchar', 'not null' => true, 'default' => 'text/plain', 'length' => 129, 'description' => 'A note can be written in a multitude of formats such as text/plain, text/markdown, application/x-latex, and text/html'],
'rendered' => ['type' => 'text', 'description' => 'rendered note content, so we can keep the microtags (if not local)'],
'conversation_id' => ['type' => 'serial', 'not null' => true, 'foreign key' => true, 'target' => 'Conversation.id', 'multiplicity' => 'one to one', 'description' => 'the conversation identifier'],
'reply_to' => ['type' => 'int', 'not null' => false, 'default' => null, 'foreign key' => true, 'target' => 'Note.id', 'multiplicity' => 'one to one', 'description' => 'note replied to, null if root of a conversation'],
'is_local' => ['type' => 'bool', 'not null' => true, 'description' => 'was this note generated by a local actor'],
'source' => ['type' => 'varchar', 'foreign key' => true, 'length' => 32, 'target' => 'NoteSource.code', 'multiplicity' => 'many to one', 'description' => 'fkey to source of note, like "web", "im", or "clientname"'],
'scope' => ['type' => 'int', 'not null' => true, 'default' => VisibilityScope::EVERYWHERE->value, 'description' => 'bit map for distribution scope; 1 = everywhere; 2 = this server only; 4 = addressees; 8 = groups; 16 = collection; 32 = messages'],
'url' => ['type' => 'text', 'description' => 'Permalink to Note'],
'language_id' => ['type' => 'int', 'foreign key' => true, 'target' => 'Language.id', 'multiplicity' => 'one to many', 'description' => 'The language for this note'],
'created' => ['type' => 'datetime', 'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was created'],
'modified' => ['type' => 'timestamp', 'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was modified'],
],
'primary key' => ['id'],
'indexes' => [
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'note_created_id_is_local_idx' => ['created', 'is_local'],
'note_actor_created_idx' => ['actor_id', 'created'],
'note_is_local_created_actor_idx' => ['is_local', 'created', 'actor_id'],
'note_reply_to_idx' => ['reply_to'],
],
'fulltext indexes' => ['notice_fulltext_idx' => ['content']], // TODO make this configurable
];
}
}