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385 lines
13 KiB
385 lines
13 KiB
<?php
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namespace App\Http\Controllers;
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use Laravel\Lumen\Routing\Controller as BaseController;
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use Illuminate\Http\Request;
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use DB, Log, Cache;
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use Quartz;
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use DateTime, DateTimeZone, DateInterval;
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use App\Jobs\TripComplete;
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use App\Jobs\NotifyOfNewLocations;
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class Api extends BaseController
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{
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public function account(Request $request) {
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$token = $request->input('token');
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if(!$token)
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return response(json_encode(['error' => 'no token provided']))->header('Content-Type', 'application/json');
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$db = DB::table('databases')->where('write_token','=',$token)->first();
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if(!$db)
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return response(json_encode(['error' => 'invalid token']))->header('Content-Type', 'application/json');
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return response(json_encode(['name' => $db->name]))->header('Content-Type', 'application/json');
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}
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public function query(Request $request) {
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$token = $request->input('token');
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if(!$token)
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return response(json_encode(['error' => 'no token provided']))->header('Content-Type', 'application/json');
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$db = DB::table('databases')->where('read_token','=',$token)->first();
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if(!$db)
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return response(json_encode(['error' => 'invalid token']))->header('Content-Type', 'application/json');
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$qz = new Quartz\DB(env('STORAGE_DIR').$db->name, 'r');
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if($request->input('tz')) {
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$tz = $request->input('tz');
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} else {
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$tz = 'UTC';
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}
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if($date=$request->input('date')) {
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$start = DateTime::createFromFormat('Y-m-d H:i:s', $date.' 00:00:00', new DateTimeZone($tz));
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$end = DateTime::createFromFormat('Y-m-d H:i:s', $date.' 23:59:59', new DateTimeZone($tz));
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} elseif(($start=$request->input('start')) && ($end=$request->input('end'))) {
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$start = new DateTime($start, new DateTimeZone($tz));
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$end = new DateTime($end, new DateTimeZone($tz));
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} else {
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return response(json_encode(['error' => 'no date provided']))->header('Content-Type', 'application/json');
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}
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$results = $qz->queryRange($start, $end);
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$locations = [];
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$properties = [];
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$events = [];
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if($request->input('format') == 'linestring') {
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foreach($results as $id=>$record) {
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// When returning a linestring, separate out the "event" records from the "location" records
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if($record->data) {
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if(property_exists($record->data->properties, 'action')) {
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$rec = $record->data;
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# add a unixtime property
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$rec->properties->unixtime = (int)$record->date->format('U');
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$events[] = $rec;
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} else {
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#$record->date->format('U.u');
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// Ignore super inaccurate locations
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if(!property_exists($record->data->properties, 'horizontal_accuracy')
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|| $record->data->properties->horizontal_accuracy <= 5000) {
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$locations[] = $record->data;
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$props = $record->data->properties;
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$date = $record->date;
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$date->setTimeZone(new DateTimeZone($tz));
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$props->timestamp = $date->format('c');
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$props->unixtime = (int)$date->format('U');
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$properties[] = $props;
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}
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}
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}
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}
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$linestring = array(
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'type' => 'LineString',
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'coordinates' => [],
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'properties' => $properties
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);
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foreach($locations as $loc) {
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if(property_exists($loc, 'geometry'))
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$linestring['coordinates'][] = $loc->geometry->coordinates;
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else
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$linestring['coordinates'][] = null;
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}
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$response = array(
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'linestring' => $linestring,
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'events' => $events
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);
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} else {
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foreach($results as $id=>$record) {
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if($record->data) {
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$locations[] = $record->data;
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}
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}
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$response = [
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'locations' => $locations
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];
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}
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return response(json_encode($response))->header('Content-Type', 'application/json');
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}
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public function last(Request $request) {
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$token = $request->input('token');
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if(!$token)
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return response(json_encode(['error' => 'no token provided']))->header('Content-Type', 'application/json');
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$db = DB::table('databases')->where('read_token','=',$token)->first();
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if(!$db)
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return response(json_encode(['error' => 'invalid token']))->header('Content-Type', 'application/json');
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if($request->input('tz')) {
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$tz = $request->input('tz');
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} else {
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$tz = 'UTC';
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}
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if($input=$request->input('before')) {
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// If a specific time was requested, look up the data in the filesystem
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$qz = new Quartz\DB(env('STORAGE_DIR').$db->name, 'r');
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if(preg_match('/^[0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}:[0-9]{2}$/', $input)) {
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// If the input date is given in YYYY-mm-dd HH:mm:ss format, interpret it in the timezone given
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$date = DateTime::createFromFormat('Y-m-d H:i:s', $input, new DateTimeZone($tz));
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} else {
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// Otherwise, parse the string and use the timezone in the input
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$date = new DateTime($input);
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$date->setTimeZone(new DateTimeZone($tz));
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}
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if(!$date) {
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return response(json_encode(['error' => 'invalid date provided']))->header('Content-Type', 'application/json');
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}
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/* ********************************************** */
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// TODO: move this logic into QuartzDB
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// Load the shard for the given date
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$shard = $qz->shardForDate($date);
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// If the shard doesn't exist, check one day before
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if(!$shard->exists()) {
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$date = $date->sub(new DateInterval('PT86400S'));
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$shard = $qz->shardForDate($date);
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}
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// Now if the shard doesn't exist, return an empty result
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if(!$shard->exists()) {
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return response(json_encode([
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'data'=>null
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]));
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}
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// Start iterating through the shard and look for the last line that is before the given date
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$shard->init();
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$record = false;
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foreach($shard as $r) {
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if($r->date > $date)
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break;
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$record = $r;
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}
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/* ********************************************** */
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if(!$record) {
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return response(json_encode([
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'data'=>null
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]));
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}
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$response = [
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'data' => $record->data,
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];
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} else {
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// If no specific time was requested, use the cached location from the database
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$response = [
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'data' => json_decode($db->last_location),
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];
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}
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if($request->input('geocode') && property_exists($response['data'], 'geometry') && property_exists($response['data']->geometry, 'coordinates')) {
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$coords = $response['data']->geometry->coordinates;
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$params = [
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'latitude' => $coords[1],
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'longitude' => $coords[0],
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'date' => $response['data']->properties->timestamp
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];
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$geocode = self::geocode($params);
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if($geocode) {
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$response['geocode'] = $geocode;
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} else {
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$response['geocode'] = null;
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}
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}
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return response(json_encode($response))->header('Content-Type', 'application/json');;
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}
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public function input(Request $request) {
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$token = $request->input('token');
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if(!$token)
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return response(json_encode(['error' => 'no token provided']))->header('Content-Type', 'application/json');
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$db = DB::table('databases')->where('write_token','=',$token)->first();
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if(!$db)
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return response(json_encode(['error' => 'invalid token']))->header('Content-Type', 'application/json');
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if(!is_array($request->input('locations')))
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return response(json_encode(['error' => 'invalid input', 'error_description' => 'parameter "locations" must be an array of GeoJSON data with a "timestamp" property']))->header('Content-Type', 'application/json');
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$qz = new Quartz\DB(env('STORAGE_DIR').$db->name, 'w');
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$num = 0;
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$trips = 0;
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$last_location = false;
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foreach($request->input('locations') as $loc) {
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if(array_key_exists('properties', $loc)) {
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if(array_key_exists('timestamp', $loc['properties'])) {
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try {
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if(preg_match('/^\d+\.\d+$/', $loc['properties']['timestamp']))
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$date = DateTime::createFromFormat('U.u', $loc['properties']['timestamp']);
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elseif(preg_match('/^\d+$/', $loc['properties']['timestamp']))
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$date = DateTime::createFromFormat('U', $loc['properties']['timestamp']);
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else
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$date = new DateTime($loc['properties']['timestamp']);
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if($date) {
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$cacheKey = 'compass::'.$db->name.'::'.$date->format('U');
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// Skip adding if the timestamp is already in the cache.
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// Helps prevent writing duplicate data when the HTTP request is interrupted.
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if(!env('CACHE_DRIVER') || !Cache::has($cacheKey)) {
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$num++;
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$qz->add($date, $loc);
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if(env('CACHE_DRIVER'))
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Cache::put($cacheKey, 1, 360); // cache this for 6 hours
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$last_location = $loc;
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}
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if(array_key_exists('type', $loc['properties']) && $loc['properties']['type'] == 'trip') {
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try {
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$job = (new TripComplete($db->id, $loc))->onQueue('compass');
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$this->dispatch($job);
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$trips++;
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Log::info('Got a trip record');
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} catch(Exception $e) {
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Log::warning('Received invalid trip');
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}
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}
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} else {
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Log::warning('Received invalid date: ' . $loc['properties']['timestamp']);
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}
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} catch(Exception $e) {
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Log::warning('Received invalid date: ' . $loc['properties']['timestamp']);
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}
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}
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}
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}
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if($request->input('current')) {
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$last_location = $request->input('current');
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Log::info('Device sent current location');
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}
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$response = [
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'result' => 'ok',
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'saved' => $num,
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'trips' => $trips
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];
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if($last_location) {
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/*
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// 2017-08-22 Don't geocode cause it takes too long. Maybe make a separate route for this later.
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$geocode = self::geocode(['latitude'=>$last_location['geometry']['coordinates'][1], 'longitude'=>$last_location['geometry']['coordinates'][0]]);
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$response['geocode'] = [
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'full_name' => $geocode->full_name,
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'locality' => $geocode->locality,
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'country' => $geocode->country
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];
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*/
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$response['geocode'] = null;
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// Cache the last location in the database
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if(isset($last_location['properties']['timestamp'])) {
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if(preg_match('/^\d+\.\d+$/', $last_location['properties']['timestamp']))
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$date = DateTime::createFromFormat('U.u', $last_location['properties']['timestamp']);
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elseif(preg_match('/^\d+$/', $last_location['properties']['timestamp']))
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$date = DateTime::createFromFormat('U', $last_location['properties']['timestamp']);
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else
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$date = new DateTime($last_location['properties']['timestamp']);
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$date->setTimeZone(new DateTimeZone('UTC'));
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$date = $date->format('Y-m-d H:i:s');
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} else {
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$date = null;
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}
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DB::table('databases')->where('id', $db->id)
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->update([
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'last_location' => json_encode($last_location, JSON_UNESCAPED_SLASHES+JSON_PRETTY_PRINT),
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'last_location_date' => $date,
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]);
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// Notify subscribers that new data is available
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if($db->ping_urls) {
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$job = (new NotifyOfNewLocations($db->id, $last_location))->onQueue('compass');
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$this->dispatch($job);
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}
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}
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if($request->input('trip')) {
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DB::table('databases')->where('id', $db->id)
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->update([
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'current_trip' => json_encode($request->input('trip'), JSON_UNESCAPED_SLASHES+JSON_PRETTY_PRINT)
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]);
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} else {
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DB::table('databases')->where('id', $db->id)->update(['current_trip' => null]);
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}
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return response(json_encode($response))->header('Content-Type', 'application/json');
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}
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public function trip_complete(Request $request) {
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$token = $request->input('token');
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if(!$token)
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return response(json_encode(['error' => 'no token provided']))->header('Content-Type', 'application/json');
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$db = DB::table('databases')->where('write_token','=',$token)->first();
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if(!$db)
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return response(json_encode(['error' => 'invalid token']))->header('Content-Type', 'application/json');
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if($request->input('tz')) {
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$tz = new DateTimeZone($request->input('tz'));
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} else {
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$tz = new DateTimeZone('UTC');
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}
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$start = new DateTime($request->input('start'), $tz);
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$end = new DateTime($request->input('end'), $tz);
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$loc = [
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'properties' => [
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'mode' => $request->input('mode'),
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'start' => $start->format('c'),
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'end' => $end->format('c'),
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]
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];
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try {
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$job = (new TripComplete($db->id, $loc))->onQueue('compass');
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$this->dispatch($job);
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Log::info('Got a manual trip record: '.$start->format('c').' '.$end->format('c'));
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} catch(Exception $e) {
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Log::warning('Received invalid trip');
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}
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return response(json_encode(['result' => 'ok']))->header('Content-Type', 'application/json');
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}
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public static function geocode($params) {
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$ch = curl_init(env('ATLAS_BASE').'api/geocode?'.http_build_query($params));
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
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curl_setopt($ch, CURLOPT_TIMEOUT, 8);
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$response = curl_exec($ch);
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if($response) {
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return json_decode($response);
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}
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}
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}
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