147 lines
3.9 KiB
PHP
147 lines
3.9 KiB
PHP
<?php
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/**
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* Name: Geonames
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* Description: Use Geonames service to resolve nearest populated location for given latitude, longitude
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* Version: 1.0
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* Author: Mike Macgirvin <http://macgirvin.com/profile/mike>
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*/
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use Friendica\App;
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use Friendica\Core\Hook;
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use Friendica\Core\Logger;
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use Friendica\Core\Renderer;
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use Friendica\DI;
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use Friendica\Core\Config\Util\ConfigFileLoader;
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use Friendica\Util\XML;
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function geonames_install()
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{
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Hook::register('load_config', __FILE__, 'geonames_load_config');
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/* Our addon will attach in three places.
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* The first is just prior to storing a local post.
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*/
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Hook::register('post_local', __FILE__, 'geonames_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
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* user preferences.
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*/
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Hook::register('addon_settings', __FILE__, 'geonames_addon_settings');
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Hook::register('addon_settings_post', __FILE__, 'geonames_addon_settings_post');
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}
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function geonames_load_config(App $a, ConfigFileLoader $loader)
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{
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$a->getConfigCache()->load($loader->loadAddonConfig('geonames'));
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}
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function geonames_post_hook(App $a, array &$item)
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{
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/* An item was posted on the local system.
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* We are going to look for specific items:
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* - A status post by a profile owner
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* - The profile owner must have allowed our addon
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*/
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Logger::notice('geonames invoked');
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if (!local_user()) { /* non-zero if this is a logged in user of this system */
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return;
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}
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if (local_user() != $item['uid']) { /* Does this person own the post? */
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return;
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}
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if ($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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}
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/* Retrieve our personal config setting */
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$geo_account = DI::config()->get('geonames', 'username');
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$active = DI::pConfig()->get(local_user(), 'geonames', 'enable');
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if (!$geo_account || !$active) {
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return;
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}
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if (!$item['coord'] || $item['location']) {
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return;
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}
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$coords = explode(' ', $item['coord']);
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/* OK, we're allowed to do our stuff. */
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$s = DI::httpClient()->fetch('http://api.geonames.org/findNearbyPlaceName?lat=' . $coords[0] . '&lng=' . $coords[1] . '&username=' . $geo_account);
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if (!$s) {
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return;
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}
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$xml = XML::parseString($s);
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if ($xml->geoname->name && $xml->geoname->countryName) {
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$item['location'] = $xml->geoname->name . ', ' . $xml->geoname->countryName;
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}
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return;
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}
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/**
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* Callback from the settings post function.
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* We will make sure we've got a valid user account
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* and if so set our configuration setting for this person.
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*
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* @param App $a
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* @param array $post The $_POST array
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*/
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function geonames_addon_settings_post(App $a, array $post)
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{
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if (!local_user() || empty($_POST['geonames-submit'])) {
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return;
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}
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DI::pConfig()->set(local_user(), 'geonames', 'enable', intval($_POST['geonames-enable']));
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}
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/**
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* Called from the Addon Setting form.
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* Add our own settings info to the page.
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*
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* @param App $a
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* @param string $s
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* @throws Exception
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*/
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function geonames_addon_settings(App $a, &$s)
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{
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if (!local_user()) {
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return;
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}
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$geo_account = DI::config()->get('geonames', 'username');
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if (!$geo_account) {
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return;
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}
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/* Add our stylesheet to the page so we can make our settings look nice */
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$stylesheetPath = __DIR__ . '/geonames.css';
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DI::page()->registerStylesheet($stylesheetPath);
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/* Get the current state of our config variable */
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$enabled = intval(DI::pConfig()->get(local_user(), 'geonames', 'enable'));
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$t = Renderer::getMarkupTemplate('settings.tpl', 'addon/geonames/');
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$s .= Renderer::replaceMacros($t, [
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'$title' => DI::l10n()->t('Geonames Settings'),
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'$description' => DI::l10n()->t('Replace numerical coordinates by the nearest populated location name in your posts.'),
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'$enable' => ['geonames-enable', DI::l10n()->t('Enable Geonames Addon'), $enabled],
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'$submit' => DI::l10n()->t('Save Settings')
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]);
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}
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