Refactor stats API and fix bounds detection

app/Helpers/StatsHelper.php

@@ -15,7 +15,15 @@ class StatsHelper {
 
         if (!$this->left_bound_parsed->lte($this->right_bound_parsed)) {
             // If left bound is not less than or equal to right bound
-            throw new Exception('Invalid bounds.');
+            throw new \Exception('Invalid bounds.');
+        }
+
+        $days_diff = $this->left_bound_parsed->diffInDays($this->right_bound_parsed);
+        $max_days_diff = env('_ANALYTICS_MAX_DAYS_DIFF') ?: 365;
+
+        if ($days_diff > $max_days_diff) {
+            error_log('too big fam');
+            throw new \Exception('Bounds too broad.');
         }
     }
 

app/Helpers/UserHelper.php

@@ -31,9 +31,8 @@ class UserHelper {
         return ctype_alnum($username);
     }
 
-    public static function validateEmail($email) {
-        // TODO validate email here
-        return true;
+    public static function userIsAdmin($username) {
+        return (self::getUserByUsername($username)->role == self::$USER_ROLES['admin']);
     }
 
     public static function checkCredentials($username, $password) {

app/Http/Controllers/Api/ApiAnalyticsController.php

@@ -2,14 +2,69 @@
 namespace App\Http\Controllers\Api;
 use Illuminate\Http\Request;
 
-// use App\Factories\LinkFactory;
 use App\Helpers\LinkHelper;
+use App\Helpers\UserHelper;
 use App\Helpers\StatsHelper;
 
-class ApiLinkController extends ApiController {
-    public function lookupLinkAnalytics (Request $request) {
+class ApiAnalyticsController extends ApiController {
+    public function lookupLinkStats (Request $request, $stats_type=false) {
         $response_type = $request->input('response_type');
+
+        if ($response_type != 'json') {
+            abort(401, 'Only JSON-encoded data is available for this endpoint.');
+        }
+
         $user = self::getApiUserInfo($request);
 
+        $validator = \Validator::make($request->all(), [
+            'url_ending' => 'required|alpha_dash',
+            'stats_type' => 'alpha_num',
+            'left_bound' => 'date',
+            'right_bound' => 'date'
+        ]);
+
+        error_log($validator->errors());
+        if ($validator->fails()) {
+            return abort(400, 'Invalid or missing parameters.');
+        }
+
+        $url_ending = $request->input('url_ending');
+        $stats_type = $request->input('stats_type');
+        $left_bound = $request->input('left_bound');
+        $right_bound = $request->input('right_bound');
+        $stats_type = $request->input('stats_type');
+
+        // ensure user can only read own analytics or user is admin
+        $link = LinkHelper::linkExists($url_ending);
+
+        if ($link === false) {
+            abort(404, 'Link not found.');
+        }
+
+        if (($link->creator != $user->username) &&
+                !(UserHelper::userIsAdmin($username))){
+            // If user does not own link and is not an admin
+            abort(401, 'You do not have access to this link.');
+        }
+
+        $stats = new StatsHelper($link->id, $left_bound, $right_bound);
+
+        if ($stats_type == 'day') {
+            $fetched_stats = $stats->getDayStats();
+        }
+        else if ($stats_type == 'country') {
+            $fetched_stats = $stats->getCountryStats();
+        }
+        else if ($stats_type == 'referer') {
+            $fetched_stats = $stats->getRefererStats();
+        }
+        else {
+            abort(400, 'Invalid analytics type requested.');
+        }
+
+        return self::encodeResponse([
+            'url_ending' => $link->short_url,
+            'data' => $fetched_stats,
+        ], 'data_link_' . $stats_type, $response_type, false);
     }
 }

app/Http/Controllers/Api/ApiLinkController.php

@@ -19,7 +19,7 @@ class ApiLinkController extends ApiController {
         ]);
 
         if ($validator->fails()) {
-            return abort(400, 'Parameters invalid or missing.');
+            return abort(400, 'Invalid or missing parameters.');
         }
 
         $long_url = $request->input('url'); // * required
@@ -48,7 +48,7 @@ class ApiLinkController extends ApiController {
         ]);
 
         if ($validator->fails()) {
-            return abort(400, 'Parameters invalid or missing.');
+            return abort(400, 'Invalid or missing parameters.');
         }
 
         $url_ending = $request->input('url_ending');

app/Http/Controllers/UserController.php

@@ -78,12 +78,6 @@ class UserController extends Controller {
             return redirect(route('signup'))->with('error', 'Sorry, your email or username already exists. Try again.');
         }
 
-        $email_valid = UserHelper::validateEmail($email);
-
-        if ($email_valid == false) {
-            return redirect(route('signup'))->with('error', 'Please use a valid email to sign up.');
-        }
-
         $acct_activation_needed = env('POLR_ACCT_ACTIVATION');
 
         if ($acct_activation_needed == false) {

app/Http/routes.php

@@ -68,4 +68,8 @@ $app->group(['prefix' => '/api/v2', 'namespace' => 'App\Http\Controllers'], func
     /* API lookup endpoints */
     $app->post('action/lookup', ['as' => 'api_lookup_url', 'uses' => 'Api\ApiLinkController@lookupLink']);
     $app->get('action/lookup', ['as' => 'api_lookup_url', 'uses' => 'Api\ApiLinkController@lookupLink']);
+
+    /* API data endpoints */
+    $app->get('data/link', ['as' => 'api_link_analytics', 'uses' => 'Api\ApiAnalyticsController@lookupLinkStats']);
+    $app->post('data/link', ['as' => 'api_link_analytics', 'uses' => 'Api\ApiAnalyticsController@lookupLinkStats']);
 });

resources/views/env.blade.php

@@ -99,6 +99,7 @@ SESSION_DRIVER=file
 QUEUE_DRIVER=database
 
 _API_KEY_LENGTH=15
+_ANALYTICS_MAX_DAYS_DIFF=365
 _PSEUDO_RANDOM_KEY_LENGTH=5
 
 # FILESYSTEM_DRIVER=local