www: Add try catch to avoid exception on missing database

www/src/Controller/HomeController.php

@@ -1,4 +1,5 @@
 <?php
+
 namespace App\Controller;
 
 use Symfony\Component\HttpFoundation\Response;
@@ -6,14 +7,18 @@ use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\Routing\Annotation\Route;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
 use App\AppBundle\ConnectionObservations;
+use Psr\Log\LoggerInterface;
+use Symfony\Component\HttpKernel\Log\Logger;
 
 class HomeController extends AbstractController
 {
     private ConnectionObservations $connection;
+    private LoggerInterface $logger;
 
-    public function __construct(ConnectionObservations $connection)
+    public function __construct(ConnectionObservations $connection, LoggerInterface $logger)
     {
         $this->connection = $connection;
+        $this->logger = $logger;
     }
 
     /**
@@ -27,16 +32,14 @@ class HomeController extends AbstractController
             "charts" => $this->last_chart_generated(),
         ]);
     }
-     
+
     /**
      * @Route("/about", name="about")
      * @Route("/{_locale<%app.supported_locales%>}/about", name="about_i18n")
      */
     public function about()
     {
-        return $this->render('about/index.html.twig', [
-            
-        ]);
+        return $this->render('about/index.html.twig', []);
     }
 
     private function get_stats()
@@ -47,40 +50,55 @@ class HomeController extends AbstractController
         return $stats;
     }
 
-    private function get_most_recorded_species() 
+    private function get_most_recorded_species()
     {
+        $species = [];
         $sql = "SELECT `scientific_name`, `common_name`, COUNT(*) AS contact_count 
                 FROM `taxon` 
                 INNER JOIN `observation` 
                 ON `taxon`.`taxon_id` = `observation`.`taxon_id`
                 ORDER BY `contact_count` DESC LIMIT 1";
-        $stmt = $this->connection->prepare($sql);
-        $result = $stmt->executeQuery();
-        $species = $result->fetchAllAssociative();
-        return $species[0];
+        try {
+            $stmt = $this->connection->prepare($sql);
+            $result = $stmt->executeQuery();
+            $species = $result->fetchAllAssociative()[0];
+        } catch (\Exception $e) {
+            $this->logger->error($e->getMessage());
+        }
+        return $species;
     }
 
-    private function get_last_recorded_species() 
+    private function get_last_recorded_species()
     {
+        $species = [];
         $sql = "SELECT `scientific_name`, `common_name`, `date`, `audio_file`, `confidence`
                 FROM `observation`
                 INNER JOIN `taxon`
                 ON `observation`.`taxon_id` = `taxon`.`taxon_id`
                 ORDER BY `date` DESC LIMIT 1";
-        $stmt = $this->connection->prepare($sql);
-        $result = $stmt->executeQuery();
-        $species = $result->fetchAllAssociative();
-        return $species[0];
+        try {
+            $stmt = $this->connection->prepare($sql);
+            $result = $stmt->executeQuery();    
+            $species = $result->fetchAllAssociative()[0];
+        } catch (\Exception $e) {
+            $this->logger->error($e->getMessage());
+        }
+        return $species;
     }
 
-    private function last_chart_generated() {
-    
+    private function last_chart_generated()
+    {
         $files = glob($this->getParameter('kernel.project_dir') . '/../var/charts/*.png');
-        usort($files, function($a, $b) {
-            return filemtime($a) - filemtime($b);
-        });
-        $last_chart = basename(array_pop($files));
-        return $last_chart;
+        if (count($files) > 0) {
+            usort($files, function ($a, $b) {
+                return filemtime($a) - filemtime($b);
+            });
+            
+            $last_chart = basename(array_pop($files));
+            return $last_chart;
+        } else {
+            $this->logger->info("No charts found");
+            return "";
+        }
     }
-
-}
+}

www/src/Controller/TodayController.php

@@ -6,15 +6,20 @@ use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\Routing\Annotation\Route;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
 use App\AppBundle\ConnectionObservations;
+use Psr\Log\LoggerInterface;
 
 class TodayController extends AbstractController
-{    private ConnectionObservations $connection;
+{    
+    private ConnectionObservations $connection;
+    private LoggerInterface $logger;
 
-    public function __construct(ConnectionObservations $connection)
+    public function __construct(ConnectionObservations $connection, LoggerInterface $logger)
     {
         $this->connection = $connection;
+        $this->logger = $logger;
     }
 
+
     /**
      * @Route("/today", name="today")
      * @Route("/{_locale<%app.supported_locales%>}/today", name="today_i18n")
@@ -88,28 +93,38 @@ class TodayController extends AbstractController
 
     private function recorded_species_by_date($date)
     {
+        $recorded_species = [];
         $sql = "SELECT `taxon`.`taxon_id`, `scientific_name`, `common_name`, COUNT(*) AS `contact_count`, MAX(`confidence`) AS max_confidence
                 FROM observation 
                 INNER JOIN taxon 
                 ON observation.taxon_id = taxon.taxon_id 
                 WHERE strftime('%Y-%m-%d', `observation`.`date`) = :date 
                 GROUP BY observation.taxon_id";
-        $stmt = $this->connection->prepare($sql);
-        $stmt->bindValue(':date', $date);
-        $result = $stmt->executeQuery();
-        return $result->fetchAllAssociative();
+        try {
+            $stmt = $this->connection->prepare($sql);
+            $stmt->bindValue(':date', $date);
+            $result = $stmt->executeQuery();
+            $recorded_species = $result->fetchAllAssociative();
+        } catch (\Exception $e) {
+            $this->logger->error($e->getMessage());
+        }
+        return $recorded_species;
     }
 
     private function recorded_species_by_id_and_date($id, $date)
     {
         /* Get taxon even if there is no record this date */
         $sql = "SELECT * FROM `taxon` WHERE `taxon_id` = :id";
-        $stmt = $this->connection->prepare($sql);
-        $stmt->bindValue(':id', $id);
-        $result = $stmt->executeQuery();
-        $taxon = $result->fetchAllAssociative()[0];
-        if (!$taxon) {
-            return [];
+        $taxon = [];
+        $stat = [];
+        $records = [];
+        try {
+            $stmt = $this->connection->prepare($sql);
+            $stmt->bindValue(':id', $id);
+            $result = $stmt->executeQuery();
+            $taxon = $result->fetchAllAssociative()[0];
+        } catch (\Exception $e) {
+            $this->logger->error($e->getMessage());
         }
         /* Get daily stats */
         $sql = "SELECT COUNT(*) AS `contact_count`, MAX(`confidence`) AS `max_confidence` 
@@ -118,33 +133,47 @@ class TodayController extends AbstractController
                 ON `taxon`.`taxon_id` = `observation`.`taxon_id` 
                 WHERE strftime('%Y-%m-%d', `observation`.`date`) = :date
                 AND `observation`.`taxon_id` = :id";
-        $stmt = $this->connection->prepare($sql);
-        $stmt->bindValue(':id', $id);
-        $stmt->bindValue(':date', $date);
-        $result = $stmt->executeQuery();
-        $stat = $result->fetchAllAssociative();
+        try {
+            $stmt = $this->connection->prepare($sql);
+            $stmt->bindValue(':id', $id);
+            $stmt->bindValue(':date', $date);
+            $result = $stmt->executeQuery();
+            $stat = $result->fetchAllAssociative();
+        } catch (\Exception $e) {
+            $this->logger->error($e->getMessage());
+        }
         $sql = "SELECT * FROM `observation` 
                 WHERE `taxon_id` = :id 
                 AND strftime('%Y-%m-%d', `observation`.`date`) = :date
                 ORDER BY `observation`.`date` ASC";
-        $stmt = $this->connection->prepare($sql);
-        $stmt->bindValue(':id', $id);
-        $stmt->bindValue(':date', $date);
-        $result = $stmt->executeQuery();
-        $records = $result->fetchAllAssociative();
+        try {
+            $stmt = $this->connection->prepare($sql);
+            $stmt->bindValue(':id', $id);
+            $stmt->bindValue(':date', $date);
+            $result = $stmt->executeQuery();
+            $records = $result->fetchAllAssociative();
+        } catch (\Exception $e) {
+            $this->logger->error($e->getMessage());
+        }
         return array("taxon" => $taxon, "stat" => $stat, "records" => $records);
     }
 
     private function best_confidence_today($id, $date)
     {
+        $best_confidence = 0;
         $sql = "SELECT MAX(`confidence`) AS confidence 
                 FROM `observation` 
                 WHERE strftime('%Y-%m-%d', `observation`.`date`) = :date 
                 AND `taxon_id` = :id";
-        $stmt = $this->connection->prepare($sql);
-        $stmt->bindValue(':id', $id);
-        $stmt->bindValue(':date', $date);
-        $result = $stmt->executeQuery();
-        return $result->fetchAllAssociative();
+        try {
+            $stmt = $this->connection->prepare($sql);
+            $stmt->bindValue(':id', $id);
+            $stmt->bindValue(':date', $date);
+            $result = $stmt->executeQuery();
+            $result->fetchAllAssociative();
+        } catch (\Exception $e) {
+            $this->logger->error($e->getMessage());
+        }
+        return $best_confidence;
     }
 }

www/templates/menu.html.twig

@@ -41,10 +41,9 @@
       <li class="dropdown">
         <span class="dropdown-toggle">{{ "Tools"|trans }}</span>
         <ul class="dropdown-content">
-          {% include 'utils/nav-item.html.twig' with {
-            route: 'logs',
-            text: 'View Logs'|trans
-          } %}
+          <li><a href="/ttyd">
+            {{ "Logs"|trans }}
+          </a></li>
           {% include 'utils/nav-item.html.twig' with {
             route: 'services_status',
             text: 'Status'|trans

www/templates/stats.html.twig

@@ -3,7 +3,7 @@
     <ul>
         <li class="most-recorded-species">
             {{ "Most recorded species" | trans }}:
-            {% if stats["most-recorded-species"] is defined %}
+            {% if stats["most-recorded-species"] is defined and stats["most-recorded-species"]|length > 0 %}
             <span class="scientific-name">
                 {{ stats["most-recorded-species"]["scientific_name"] }}
             </span>
@@ -19,7 +19,7 @@
         </li>
         <li class="last-recorded-species">
             {{ "Last detected species" | trans }}:
-            {% if stats["last-detected-species"] is defined %}
+            {% if stats["last-detected-species"] is defined and stats["last-detected-species"]|length > 0 %}
             <span class="scientific-name">
                 {{ stats["last-detected-species"]["scientific_name"] }}
             </span>