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feed_controller.php
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<?php
/*
All Emoncms code is released under the GNU Affero General Public License.
See COPYRIGHT.txt and LICENSE.txt.
---------------------------------------------------------------------
Emoncms - open source energy visualisation
Part of the OpenEnergyMonitor project:
http://openenergymonitor.org
*/
// no direct access
defined('EMONCMS_EXEC') or die('Restricted access');
function feed_controller()
{
global $mysqli, $redis, $session, $route, $feed_settings;
$result = false;
require_once "Modules/feed/feed_model.php";
$feed = new Feed($mysqli,$redis,$feed_settings);
if ($route->format == 'html')
{
if ($route->action == "list" && $session['write']) $result = view("Modules/feed/Views/feedlist_view.php",array());
else if ($route->action == "api" && $session['write']) $result = view("Modules/feed/Views/feedapi_view.php",array());
}
else if ($route->format == 'json')
{
// Public actions available on public feeds.
if ($route->action == "list")
{
if ($session['read']) {
if (!isset($_GET['userid']) || (isset($_GET['userid']) && $_GET['userid'] == $session['userid'])) $result = $feed->get_user_feeds($session['userid']);
else if (isset($_GET['userid']) && $_GET['userid'] != $session['userid']) $result = $feed->get_user_public_feeds(get('userid'));
}
else if (isset($_GET['userid'])) $result = $feed->get_user_public_feeds(get('userid'));
} elseif ($route->action == "create" && $session['write']) {
$result = $feed->create($session['userid'],get('tag'),get('name'),get('datatype'),get('engine'),json_decode(get('options')));
} elseif ($route->action == "updatesize" && $session['write']) {
$result = $feed->update_user_feeds_size($session['userid']);
} elseif ($route->action == "buffersize" && $session['write']) {
$result = $feed->get_buffer_size();
// To "fetch" multiple feed values in a single request
// http://emoncms.org/feed/fetch.json?ids=123,567,890
} elseif ($route->action == "fetch") {
$feedids = (array) (explode(",",(get('ids'))));
for ($i=0; $i<count($feedids); $i++) {
$feedid = (int) $feedids[$i];
if ($feed->exist($feedid)) { // if the feed exists
$f = $feed->get($feedid);
if ($f['public'] || ($session['userid']>0 && $f['userid']==$session['userid'] && $session['read'])) {
$result[$i] = $feed->get_value($feedid); // null is a valid response
} else { $result[$i] = false; }
} else { $result[$i] = false; } // false means feed not found
}
} else if ($route->action == "csvexport" && $session['write'] && isset($_GET['ids'])) {
// Export multiple feeds on the same csv
// http://emoncms.org/feed/csvexport.json?ids=1,3,4,5,6,7,8,157,156,169&start=1450137600&end=1450224000&interval=10&timeformat=1
$result = $feed->csv_export_multi(get('ids'),get('start'),get('end'),get('interval'),get('timeformat'),get('name'));
} else {
$feedid = (int) get('id');
// Actions that operate on a single existing feed that all use the feedid to select:
// First we load the meta data for the feed that we want
if ($feed->exist($feedid)) // if the feed exists
{
$f = $feed->get($feedid);
// if public or belongs to user
if ($f['public'] || ($session['userid']>0 && $f['userid']==$session['userid'] && $session['read']))
{
if ($route->action == "timevalue") $result = $feed->get_timevalue($feedid);
else if ($route->action == 'data') {
$skipmissing = 1;
$limitinterval = 1;
if (isset($_GET['skipmissing']) && $_GET['skipmissing']==0) $skipmissing = 0;
if (isset($_GET['limitinterval']) && $_GET['limitinterval']==0) $limitinterval = 0;
if (isset($_GET['interval'])) {
$result = $feed->get_data($feedid,get('start'),get('end'),get('interval'),$skipmissing,$limitinterval);
} else if (isset($_GET['mode'])) {
$result = $feed->get_data_DMY($feedid,get('start'),get('end'),get('mode'));
}
}
else if ($route->action == 'average') {
if (isset($_GET['interval'])) {
$result = $feed->get_average($feedid,get('start'),get('end'),get('interval'));
} else if (isset($_GET['mode'])) {
$result = $feed->get_average_DMY($feedid,get('start'),get('end'),get('mode'));
}
}
else if ($route->action == "value") $result = $feed->get_value($feedid); // null is a valid response
else if ($route->action == "get") $result = $feed->get_field($feedid,get('field')); // '/[^\w\s-]/'
else if ($route->action == "aget") $result = $feed->get($feedid);
else if ($route->action == "getmeta") $result = $feed->get_meta($feedid);
else if ($route->action == 'histogram') $result = $feed->histogram_get_power_vs_kwh($feedid,get('start'),get('end'));
else if ($route->action == 'kwhatpower') $result = $feed->histogram_get_kwhd_atpower($feedid,get('min'),get('max'));
else if ($route->action == 'kwhatpowers') $result = $feed->histogram_get_kwhd_atpowers($feedid,get('points'));
}
// write session required
if (isset($session['write']) && $session['write'] && $session['userid']>0 && $f['userid']==$session['userid'])
{
// Storage engine agnostic
if ($route->action == 'set') $result = $feed->set_feed_fields($feedid,get('fields'));
else if ($route->action == "insert") $result = $feed->insert_data($feedid,time(),get("time"),get("value"));
else if ($route->action == "update") {
if (isset($_GET['updatetime'])) $updatetime = get("updatetime"); else $updatetime = time();
$result = $feed->update_data($feedid,$updatetime,get("time"),get('value'));
} else if ($route->action == "delete") $result = $feed->delete($feedid);
else if ($route->action == "csvexport") $result = $feed->csv_export($feedid,get('start'),get('end'),get('interval'),get('timeformat'),get('name'));
else if ($route->action == "process")
{
if ($f['engine']!=Engine::VIRTUALFEED) { $result = array('success'=>false, 'message'=>'Feed is not Virtual'); }
else if ($route->subaction == "get") $result = $feed->get_processlist($feedid);
else if ($route->subaction == "set") $result = $feed->set_processlist($feedid, post('processlist'));
else if ($route->subaction == "reset") $result = $feed->reset_processlist($feedid);
}
if ($f['engine']==Engine::MYSQL || $f['engine']==Engine::MYSQLMEMORY) {
if ($route->action == "export") $result = $feed->mysqltimeseries_export($feedid,get('start'));
else if ($route->action == "deletedatapoint") $result = $feed->mysqltimeseries_delete_data_point($feedid,get('feedtime'));
else if ($route->action == "deletedatarange") $result = $feed->mysqltimeseries_delete_data_range($feedid,get('start'),get('end'));
} elseif ($f['engine']==Engine::PHPTIMESERIES) {
if ($route->action == "export") $result = $feed->phptimeseries_export($feedid,get('start'));
} elseif ($f['engine']==Engine::PHPFIWA) {
if ($route->action == "export") $result = $feed->phpfiwa_export($feedid,get('start'),get('layer'));
} elseif ($f['engine']==Engine::PHPFINA) {
if ($route->action == "export") $result = $feed->phpfina_export($feedid,get('start'));
}
}
}
else
{
$result = array('success'=>false, 'message'=>'Feed does not exist');
}
}
}
return array('content'=>$result);
}