247 lines
9.4 KiB
PHP
247 lines
9.4 KiB
PHP
<?php
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declare(strict_types=1);
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class SendPMEvent extends Event
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{
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public PM $pm;
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public function __construct(PM $pm)
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{
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parent::__construct();
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$this->pm = $pm;
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}
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}
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class PM
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{
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public int $id;
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public int $from_id;
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public string $from_ip;
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public int $to_id;
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/** @var mixed */
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public $sent_date;
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public string $subject;
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public string $message;
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public bool $is_read;
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public function __construct($from_id=0, string $from_ip="0.0.0.0", int $to_id=0, string $subject="A Message", string $message="Some Text", bool $read=false)
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{
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# PHP: the P stands for "really", the H stands for "awful" and the other P stands for "language"
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if (is_array($from_id)) {
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$a = $from_id;
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$this->id = (int)$a["id"];
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$this->from_id = (int)$a["from_id"];
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$this->from_ip = $a["from_ip"];
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$this->to_id = (int)$a["to_id"];
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$this->sent_date = $a["sent_date"];
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$this->subject = $a["subject"];
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$this->message = $a["message"];
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$this->is_read = bool_escape($a["is_read"]);
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} else {
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$this->id = -1;
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$this->from_id = $from_id;
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$this->from_ip = $from_ip;
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$this->to_id = $to_id;
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$this->subject = $subject;
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$this->message = $message;
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$this->is_read = $read;
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}
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}
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}
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class PrivMsg extends Extension
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{
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/** @var PrivMsgTheme */
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protected ?Themelet $theme;
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public function onDatabaseUpgrade(DatabaseUpgradeEvent $event)
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{
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global $database;
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// shortcut to latest
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if ($this->get_version("pm_version") < 1) {
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$database->create_table("private_message", "
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id SCORE_AIPK,
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from_id INTEGER NOT NULL,
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from_ip SCORE_INET NOT NULL,
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to_id INTEGER NOT NULL,
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sent_date TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
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subject VARCHAR(64) NOT NULL,
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message TEXT NOT NULL,
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is_read BOOLEAN NOT NULL DEFAULT FALSE,
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FOREIGN KEY (from_id) REFERENCES users(id) ON DELETE CASCADE,
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FOREIGN KEY (to_id) REFERENCES users(id) ON DELETE CASCADE
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");
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$database->execute("CREATE INDEX private_message__to_id ON private_message(to_id)");
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$this->set_version("pm_version", 3);
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}
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if ($this->get_version("pm_version") < 2) {
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log_info("pm", "Adding foreign keys to private messages");
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$database->execute("delete from private_message where to_id not in (select id from users);");
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$database->execute("delete from private_message where from_id not in (select id from users);");
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$database->execute("ALTER TABLE private_message
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ADD FOREIGN KEY (from_id) REFERENCES users(id) ON DELETE CASCADE,
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ADD FOREIGN KEY (to_id) REFERENCES users(id) ON DELETE CASCADE;");
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$this->set_version("pm_version", 2);
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}
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if ($this->get_version("pm_version") < 3) {
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$database->standardise_boolean("private_message", "is_read", true);
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$this->set_version("pm_version", 3);
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}
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}
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public function onPageSubNavBuilding(PageSubNavBuildingEvent $event)
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{
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global $user;
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if ($event->parent==="user") {
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if ($user->can(Permissions::READ_PM)) {
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$count = $this->count_pms($user);
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$h_count = $count > 0 ? " <span class='unread'>($count)</span>" : "";
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$event->add_nav_link("pm", new Link('user#private-messages'), "Private Messages$h_count");
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}
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}
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}
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public function onUserBlockBuilding(UserBlockBuildingEvent $event)
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{
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global $user;
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if ($user->can(Permissions::READ_PM)) {
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$count = $this->count_pms($user);
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$h_count = $count > 0 ? " <span class='unread'>($count)</span>" : "";
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$event->add_link("Private Messages$h_count", make_link("user", null, "private-messages"));
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}
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}
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public function onUserPageBuilding(UserPageBuildingEvent $event)
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{
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global $page, $user;
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$duser = $event->display_user;
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if (!$user->is_anonymous() && !$duser->is_anonymous()) {
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if (($user->id == $duser->id) || $user->can(Permissions::VIEW_OTHER_PMS)) {
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$this->theme->display_pms($page, $this->get_pms($duser));
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}
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if ($user->id != $duser->id) {
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$this->theme->display_composer($page, $user, $duser);
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}
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}
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}
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public function onPageRequest(PageRequestEvent $event)
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{
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global $cache, $database, $page, $user;
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if ($event->page_matches("pm")) {
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switch ($event->get_arg(0)) {
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case "read":
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if ($user->can(Permissions::READ_PM)) {
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$pm_id = int_escape($event->get_arg(1));
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$pm = $database->get_row("SELECT * FROM private_message WHERE id = :id", ["id" => $pm_id]);
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if (is_null($pm)) {
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$this->theme->display_error(404, "No such PM", "There is no PM #$pm_id");
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} elseif (($pm["to_id"] == $user->id) || $user->can(Permissions::VIEW_OTHER_PMS)) {
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$from_user = User::by_id((int)$pm["from_id"]);
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if ($pm["to_id"] == $user->id) {
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$database->execute("UPDATE private_message SET is_read=true WHERE id = :id", ["id" => $pm_id]);
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$cache->delete("pm-count-{$user->id}");
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}
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$this->theme->display_message($page, $from_user, $user, new PM($pm));
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} else {
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$this->theme->display_permission_denied();
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}
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}
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break;
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case "delete":
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if ($user->can(Permissions::READ_PM)) {
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if ($user->check_auth_token()) {
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$pm_id = int_escape($_POST["pm_id"]);
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$pm = $database->get_row("SELECT * FROM private_message WHERE id = :id", ["id" => $pm_id]);
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if (is_null($pm)) {
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$this->theme->display_error(404, "No such PM", "There is no PM #$pm_id");
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} elseif (($pm["to_id"] == $user->id) || $user->can(Permissions::VIEW_OTHER_PMS)) {
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$database->execute("DELETE FROM private_message WHERE id = :id", ["id" => $pm_id]);
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$cache->delete("pm-count-{$user->id}");
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log_info("pm", "Deleted PM #$pm_id", "PM deleted");
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$page->set_mode(PageMode::REDIRECT);
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$page->set_redirect(referer_or(make_link()));
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}
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}
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}
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break;
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case "send":
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if ($user->can(Permissions::SEND_PM)) {
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if ($user->check_auth_token()) {
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$to_id = int_escape($_POST["to_id"]);
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$from_id = $user->id;
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$subject = $_POST["subject"];
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$message = $_POST["message"];
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send_event(new SendPMEvent(new PM($from_id, $_SERVER["REMOTE_ADDR"], $to_id, $subject, $message)));
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$page->flash("PM sent");
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$page->set_mode(PageMode::REDIRECT);
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$page->set_redirect(referer_or(make_link()));
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}
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}
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break;
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default:
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$this->theme->display_error(400, "Invalid action", "That's not something you can do with a PM");
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break;
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}
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}
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}
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public function onSendPM(SendPMEvent $event)
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{
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global $cache, $database;
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$database->execute(
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"
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INSERT INTO private_message(
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from_id, from_ip, to_id,
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sent_date, subject, message)
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VALUES(:fromid, :fromip, :toid, now(), :subject, :message)",
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["fromid" => $event->pm->from_id, "fromip" => $event->pm->from_ip,
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"toid" => $event->pm->to_id, "subject" => $event->pm->subject, "message" => $event->pm->message]
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);
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$cache->delete("pm-count-{$event->pm->to_id}");
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log_info("pm", "Sent PM to User #{$event->pm->to_id}");
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}
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private function get_pms(User $user): array
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{
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global $database;
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$arr = $database->get_all(
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"
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SELECT private_message.*,user_from.name AS from_name
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FROM private_message
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JOIN users AS user_from ON user_from.id=from_id
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WHERE to_id = :toid
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ORDER BY sent_date DESC",
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["toid" => $user->id]
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);
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$pms = [];
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foreach ($arr as $pm) {
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$pms[] = new PM($pm);
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}
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return $pms;
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}
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private function count_pms(User $user)
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{
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global $cache, $database;
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$count = $cache->get("pm-count:{$user->id}");
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if (is_null($count) || $count === false) {
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$count = $database->get_one("
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SELECT count(*)
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FROM private_message
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WHERE to_id = :to_id
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AND is_read = :is_read
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", ["to_id" => $user->id, "is_read" => false]);
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$cache->set("pm-count:{$user->id}", $count, 600);
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}
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return $count;
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}
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}
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