friendica-addons/randplace/randplace.php

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<?php
/**
* Name: Random place
* Description: Sample Friendica addon. Set a random place when posting.
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* Version: 1.0
* Author: Mike Macgirvin <http://macgirvin.com/profile/mike>
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*
*
*
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*
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* Addons are registered with the system through the admin
* panel.
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*
* When registration is detected, the system calls the addon
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* name_install() function, located in 'addon/name/name.php',
* where 'name' is the name of the addon.
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* If the addon is removed from the configuration list, the
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* system will call the name_uninstall() function.
*
*/
use Friendica\App;
use Friendica\Core\Hook;
use Friendica\Core\Logger;
use Friendica\Core\Renderer;
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use Friendica\Core\Session;
use Friendica\DI;
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function randplace_install()
{
/*
* Our demo addon will attach in three places.
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* The first is just prior to storing a local post.
*/
Hook::register('post_local', 'addon/randplace/randplace.php', 'randplace_post_hook');
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/*
* Then we'll attach into the addon settings page, and also the
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* settings post hook so that we can create and update
* user preferences.
*/
Hook::register('addon_settings', 'addon/randplace/randplace.php', 'randplace_settings');
Hook::register('addon_settings_post', 'addon/randplace/randplace.php', 'randplace_settings_post');
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Logger::notice("installed randplace");
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}
function randplace_uninstall()
{
/*
* This function should undo anything that was done in name_install()
*
* Except hooks, they are all unregistered automatically and don't need to be unregistered manually.
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*/
Logger::notice("removed randplace");
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}
function randplace_post_hook(App $a, &$item)
{
/*
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* An item was posted on the local system.
* We are going to look for specific items:
* - A status post by a profile owner
* - The profile owner must have allowed our addon
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*/
Logger::notice('randplace invoked');
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if (!Session::getLocalUser()) {
/* non-zero if this is a logged in user of this system */
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return;
}
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if (Session::getLocalUser() != $item['uid']) {
/* Does this person own the post? */
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return;
}
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if ($item['parent']) {
/* If the item has a parent, this is a comment or something else, not a status post. */
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return;
}
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/* Retrieve our personal config setting */
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$active = DI::pConfig()->get(Session::getLocalUser(), 'randplace', 'enable');
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if (!$active) {
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return;
}
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/**
*
* OK, we're allowed to do our stuff.
* Here's what we are going to do:
* load the list of timezone names, and use that to generate a list of world cities.
* Then we'll pick one of those at random and put it in the "location" field for the post.
*
*/
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$cities = [];
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$zones = timezone_identifiers_list();
foreach($zones as $zone) {
if ((strpos($zone, '/')) && (! stristr($zone, 'US/')) && (! stristr($zone, 'Etc/'))) {
$cities[] = str_replace('_', ' ',substr($zone, strpos($zone, '/') + 1));
}
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}
if (!count($cities)) {
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return;
}
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$city = array_rand($cities,1);
$item['location'] = $cities[$city];
return;
}
/**
* Callback from the settings post function.
* $post contains the $_POST array.
* We will make sure we've got a valid user account
* and if so set our configuration setting for this person.
*/
function randplace_settings_post(App $a, $post)
{
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if (!Session::getLocalUser()) {
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return;
}
if ($_POST['randplace-submit']) {
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DI::pConfig()->set(Session::getLocalUser(), 'randplace', 'enable', intval($_POST['randplace']));
}
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}
/**
* Called from the Addon Setting form.
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* Add our own settings info to the page.
*/
function randplace_settings(App &$a, array &$data)
{
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if(!Session::getLocalUser()) {
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return;
}
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$enabled = DI::pConfig()->get(Session::getLocalUser(),'randplace','enable');
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$t = Renderer::getMarkupTemplate('settings.tpl', 'addon/randplace/');
$html = Renderer::replaceMacros($t, [
'$enabled' => ['randplace', DI::l10n()->t('Enable Randplace Addon'), $enabled],
]);
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$data = [
'addon' => 'randplace',
'title' => DI::l10n()->t('Randplace Settings'),
'html' => $html,
];
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}