add core files

geocoding and timezone works

.gitignore

@@ -1,2 +1,3 @@
 .DS_Store
-vendor/
+vendor/
+lib/config.php

controllers/geocode.php

@@ -0,0 +1,61 @@
+<?php
+
+$app->get('/api/geocode', function() use($app) {
+  $params = $app->request()->params();
+
+  if(
+    (k($params, 'latitude') !== null && k($params, 'longitude') !== null)
+    || k($params, 'input') !== null
+  ) {
+
+    $response = [
+      'latitude' => null,
+      'longitude' => null,
+      'locality' => null,
+      'region' => null,
+      'country' => null,
+      'best_name' => null,
+      'full_name' => null,
+      'timezone' => null,
+      'offset' => null,
+      'seconds' => null,
+      'localtime' => null,
+    ];
+
+    if(k($params, 'input')) {
+      $adr = p3k\Geocoder::geocode($params['input']);
+    } else {
+      $lat = (float)$params['latitude'];
+      $lng = (float)$params['longitude'];
+      $response['latitude'] = $lat;
+      $response['longitude'] = $lng;
+      $adr = p3k\Geocoder::adrFromLocation($lat, $lng);
+    }
+
+    if($adr) {
+      $response['latitude'] = $adr->latitude;
+      $response['longitude'] = $adr->longitude;
+      $response['locality'] = $adr->localityName;
+      $response['region'] = $adr->regionName;
+      $response['country'] = $adr->countryName;
+      $response['best_name'] = $adr->bestName;
+      $response['full_name'] = $adr->fullName;
+    }
+
+    $timezone = p3k\Timezone::timezone_for_location($response['latitude'], $response['longitude']);
+
+    if($timezone) {
+      $response['timezone'] = $timezone->name;
+      $response['offset'] = $timezone->offset;
+      $response['seconds'] = $timezone->seconds;
+      $response['localtime'] = $timezone->localtime;
+    }
+
+    json_response($app, $response);
+  } else {
+    json_response($app, [
+      'error' => 'invalid_request', 
+      'error_description' => 'Request was missing parameters'
+    ], 400);    
+  }
+});

controllers/main.php

@@ -0,0 +1,10 @@
+<?php
+use \Slim\Savant;
+
+$app->get('/', function() use($app) {
+  return Savant\render('index');
+});
+
+$app->get('/map', function() use($app) {
+  return Savant\render('map');
+});

controllers/timezone.php

@@ -0,0 +1,33 @@
+<?php
+
+$app->get('/api/timezone', function() use($app) {
+  $params = $app->request()->params();
+
+  if(k($params, 'latitude') !== null && k($params, 'longitude') !== null) {
+
+    $lat = (float)$params['latitude'];
+    $lng = (float)$params['longitude'];
+
+    $timezone = \p3k\Timezone::timezone_for_location($lat, $lng);
+
+    if($timezone) {
+      json_response($app, [
+        'timezone' => $timezone->name,
+        'offset' => $timezone->offset,
+        'seconds' => $timezone->seconds,
+        'localtime' => $timezone->localtime
+      ]);
+    } else {
+      json_response($app, [
+        'error' => 'not_found', 
+        'error_description' => 'No timezone was found for the requested location'
+      ]);
+    }
+  } else {
+    json_response($app, [
+      'error' => 'invalid_request', 
+      'error_description' => 'Request was missing parameters'
+    ], 400);
+  }
+});
+

lib/helpers.php

@@ -0,0 +1,25 @@
+<?php
+
+function json_response(&$app, $response, $code=200) {
+  $app->response()->status($code);
+  $app->response()['Content-Type'] = 'application/json';
+  $app->response()->body(json_encode($response));
+}
+
+function k($a, $k, $default=null) {
+  if(is_array($k)) {
+    $result = true;
+    foreach($k as $key) {
+      $result = $result && array_key_exists($key, $a);
+    }
+    return $result;
+  } else {
+    if(is_array($a) && array_key_exists($k, $a) && $a[$k])
+      return $a[$k];
+    elseif(is_object($a) && property_exists($a, $k) && $a->$k)
+      return $a->$k;
+    else
+      return $default;
+  }
+}
+

p3k/Geocoder.php

@@ -0,0 +1,109 @@
+<?php
+namespace p3k;
+
+class Geocoder {
+
+  public static function adrFromLocation($lat, $lng) {
+    $response = self::_reverse($lat, $lng);
+
+    if(!$response)
+      return false;
+
+    $address = $response->address;
+
+    $result = new geocode\Result;
+
+    $result->latitude = $lat;
+    $result->longitude = $lng;
+
+    if(property_exists($address, 'Postal'))
+      $result->postalCode = $address->Postal;
+
+    if(property_exists($address, 'Region'))
+      $result->regionName = $address->Region;
+
+    if(property_exists($address, 'City'))
+      $result->localityName = $address->City;
+    elseif(property_exists($address, 'Subregion'))
+      $result->localityName = $address->Subregion;
+    elseif(property_exists($address, 'Neighborhood'))
+      $result->localityName = $address->Neighborhood;
+
+    if(property_exists($address, 'CountryCode'))
+      $result->countryName = $address->CountryCode;
+
+    return $result;
+  }
+
+  public static function geocode($input) {
+    $response = self::_geocode($input);
+
+    if(!$response || count($response->locations) == 0)
+      return false;
+
+    $location = $response->locations[0];
+    $attributes = $location->feature->attributes;
+    $geometry = $location->feature->geometry;
+
+    $result = new geocode\Result;
+
+    if($geometry) {
+      $result->latitude = $geometry->y;
+      $result->longitude = $geometry->x;
+    }
+
+    if($attributes->City)
+      $result->localityName = $attributes->City;
+
+    if($attributes->Region)
+      $result->regionName = $attributes->Region;
+
+    if($attributes->Country)
+      $result->countryName = $attributes->Country;
+
+    if($attributes->Postal)
+      $result->postalCode = $attributes->Postal;
+
+    if($location->name)
+      $result->fullAddress = $location->name;
+
+    return $result;    
+  }
+
+  private static function _reverse($lat, $lng) {
+    $ch = curl_init();
+    curl_setopt($ch, CURLOPT_URL, 'http://geocode.arcgis.com/arcgis/rest/services/World/GeocodeServer/reverseGeocode?location='.$lng.'%2C'.$lat.'&outSR=4326&f=json&distance=10000');
+    curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
+    // curl_setopt($ch, CURLOPT_USERAGENT, '');
+    curl_setopt($ch, CURLOPT_TIMEOUT, 5);
+    $result = curl_exec($ch);
+
+    if($result == FALSE)
+      return FALSE;
+
+    return json_decode($result);    
+  }
+
+  private static function _geocode($input) {
+    $ch = curl_init();
+
+    $params = [
+      'f' => 'json',
+      'outSR' => 4326,
+      'text' => $input,
+      'outFields' => 'City,Region,Country,Postal',
+    ];
+
+    curl_setopt($ch, CURLOPT_URL, 'http://geocode.arcgis.com/arcgis/rest/services/World/GeocodeServer/find?' . http_build_query($params));
+    curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
+    // curl_setopt($ch, CURLOPT_USERAGENT, '');
+    curl_setopt($ch, CURLOPT_TIMEOUT, 5);
+    $result = curl_exec($ch);
+
+    if($result == FALSE)
+      return FALSE;
+
+    return json_decode($result);    
+  }
+
+}

p3k/geocode/Result.php

@@ -0,0 +1,41 @@
+<?php
+namespace p3k\geocode;
+
+class Result {
+  public $latitude = null;
+  public $longitude = null;
+  public $fullAddress = null;
+  public $localityName = null;
+  public $regionName = null;
+  public $countryName = null;
+  public $postalCode = null;
+
+  private function _full_name() {
+    $parts = array();
+    if($this->localityName)
+      $parts[] = $this->localityName;
+    if($this->regionName)
+      $parts[] = $this->regionName;
+    if($this->countryName)
+      $parts[] = $this->countryName;
+    return implode(', ', $parts);
+  }
+
+  private function _best_name() {
+    if($this->localityName)
+      return $this->localityName;
+    if($this->regionName)
+      return $this->regionName;
+    if($this->countryName)
+      return $this->countryName;
+    return FALSE;
+  }
+
+  public function __get($key) {
+    if($key == 'fullName')
+      return $this->_full_name();
+    if($key == 'bestName')
+      return $this->_best_name();
+    return NULL;
+  }
+}

p3k/timezone/Result.php

@@ -0,0 +1,33 @@
+<?php
+namespace p3k\timezone;
+use DateTime, DateTimeZone;
+
+class Result {
+  public $timezone = null;
+
+  private $_now;
+  private $_name;
+
+  public function __construct($timezone) {
+    $this->_now = new DateTime();
+    $this->_now->setTimeZone(new DateTimeZone($timezone));
+    $this->_name = $timezone;
+  }
+
+  public function __get($key) {
+    switch($key) {
+      case 'offset': 
+        return $this->_now->format('P');
+      case 'seconds':
+        return (int)$this->_now->format('Z');
+      case 'localtime':
+        return $this->_now->format('c');
+      case 'name':
+        return $this->_name;
+    }
+  }
+
+  public function __toString() {
+    return $this->_name;
+  }
+}

public/.htaccess

@@ -0,0 +1,15 @@
+<IfModule mod_rewrite.c>
+    <IfModule mod_negotiation.c>
+        Options -MultiViews
+    </IfModule>
+
+    RewriteEngine On
+
+    # Redirect Trailing Slashes...
+    RewriteRule ^(.*)/$ /$1 [L,R=301]
+
+    # Handle Front Controller...
+    RewriteCond %{REQUEST_FILENAME} !-d
+    RewriteCond %{REQUEST_FILENAME} !-f
+    RewriteRule ^ index.php [L]
+</IfModule>

public/index.php

@@ -0,0 +1,11 @@
+<?php
+chdir('..');
+require 'vendor/autoload.php';
+
+\Slim\Savant\init();
+
+require 'controllers/main.php';
+require 'controllers/timezone.php';
+require 'controllers/geocode.php';
+
+$app->run();

views/index.php

@@ -0,0 +1,29 @@
+<h2>Timezone</h2>
+
+  <h3>Retrieving the timezone at a lat/lng</h3>
+
+  <ul>
+    <li><a href="/api/timezone?latitude=45.5118&amp;longitude=-122.6433">/api/timezone?latitude=45.5118&amp;longitude=-122.6433</a></li>
+  </ul>
+
+<h2>Geocoder</h2>
+
+  <h3>Retrieving the lat/lng for a named location</h3>
+
+  <ul>
+    <li><a href="/api/geocode?input=309+SW+6th+Ave,+Portland,+OR">/api/geocode?input=309+SW+6th+Ave,+Portland,+OR</a></li>
+  </ul>
+
+  <h3>Retrieving a named location from a lat/lng</h3>
+
+  <ul>
+    <li><a href="/api/geocode?latitude=45.5118&amp;longitude=-122.6433">/api/geocode?latitude=45.5118&amp;longitude=-122.6433</a></li>
+  </ul>
+
+<h2>Context</h2>
+
+  <h3>Retrieving both the city name and timezone data for a lat/lng</h3>
+
+  <ul>
+    <li><a href="/api/context?latitude=45.5118&amp;longitude=-122.6433">/api/context?latitude=45.5118&amp;longitude=-122.6433</a></li>
+  </ul>

views/layout.php

@@ -0,0 +1,19 @@
+<!doctype html>
+<html>
+  <head>
+    <title>Atlas</title>
+    <link rel="stylesheet" href="/assets/pure-0.6.0/pure-min.css">
+    <link rel="stylesheet" href="/assets/pure-0.6.0/grids-responsive-min.css">
+    <link rel="stylesheet" href="/assets/font-awesome-4.3.0/css/font-awesome.min.css">
+    <link rel="stylesheet" href="/assets/styles.css">
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+  </head>
+  <body>
+
+    <?= $this->fetch($this->page . '.php') ?>
+
+    <footer>
+      &copy; 2015 by Aaron Parecki
+    </footer>
+  </body>
+</html>