#3: Implemented the majority of the public facing charts I'd envisaged

app/Http/Controllers/Gallery/StatisticsController.php

@@ -4,11 +4,64 @@ namespace App\Http\Controllers\Gallery;
 
 use App\Facade\Theme;
 use App\Http\Controllers\Controller;
+use App\Photo;
 use Illuminate\Http\Request;
 use Illuminate\Support\Facades\DB;
 
 class StatisticsController extends Controller
 {
+    public function albumSizeByPhotosChart(Request $request)
+    {
+        $stats = DB::table('photos')
+            ->join('albums', 'albums.id', '=', 'photos.album_id')
+            ->groupBy('albums.name')
+            ->select('albums.name', DB::raw('count(photos.id) as photo_count'))
+            ->orderBy('photo_count', 'desc')
+            ->limit(10)
+            ->get();
+
+        $labels = [];
+        $data = [];
+
+        foreach ($stats as $stat)
+        {
+            $labels[] = $stat->name;
+            $data[] = $stat->photo_count;
+        }
+
+        return response()->json([
+            'labels' => $labels,
+            'backgrounds' => $this->rotateColoursForData($data),
+            'data' => $data
+        ]);
+    }
+
+    public function albumSizeByPhotoSizeChart(Request $request)
+    {
+        $stats = DB::table('photos')
+            ->join('albums', 'albums.id', '=', 'photos.album_id')
+            ->groupBy('albums.name')
+            ->select('albums.name', DB::raw('sum(photos.file_size) as photo_size'))
+            ->orderBy('photo_size', 'desc')
+            ->limit(10)
+            ->get();
+
+        $labels = [];
+        $data = [];
+
+        foreach ($stats as $stat)
+        {
+            $labels[] = $stat->name;
+            $data[] = ceil($stat->photo_size / 1024 / 1024);
+        }
+
+        return response()->json([
+            'labels' => $labels,
+            'backgrounds' => $this->rotateColoursForData($data),
+            'data' => $data
+        ]);
+    }
+
     public function camerasChart(Request $request)
     {
         $stats = DB::table('photos')
@@ -30,7 +83,7 @@ class StatisticsController extends Controller
             // E.g. CANON - CANON EOS 1200D becomes just CANON EOS 1200D
             if (substr($stat->camera_model, 0, strlen($stat->camera_make)) == $stat->camera_make)
             {
-                $stat->camera_make = substr($stat->camera_make, strlen($stat->camera_make));
+                $stat->camera_make = trim(substr($stat->camera_make, strlen($stat->camera_make)));
             }
 
             $labels[] = sprintf('%s %s', $stat->camera_make, $stat->camera_model);
@@ -44,11 +97,118 @@ class StatisticsController extends Controller
         ]);
     }
 
+    public function fileSizeChart(Request $request)
+    {
+        $labels = [
+            trans('gallery.statistics.file_sizes_legend.small'),
+            trans('gallery.statistics.file_sizes_legend.medium'),
+            trans('gallery.statistics.file_sizes_legend.large'),
+            trans('gallery.statistics.file_sizes_legend.huge')
+        ];
+        $data = [0, 0, 0, 0];
+
+        $stats = DB::table('photos');
+        $stats->chunk(100, function($photos) use (&$data)
+        {
+            foreach ($photos as $photo)
+            {
+                if ($photo->file_size < (1 * 1024 * 1024))
+                {
+                    $data[0]++;
+                }
+                else if ($photo->file_size < (3 * 1024 * 1024))
+                {
+                    $data[1]++;
+                }
+                else if ($photo->file_size < (5 * 1024 * 1024))
+                {
+                    $data[2]++;
+                }
+                else if ($photo->file_size >= (5 * 1024 * 1024))
+                {
+                    $data[3]++;
+                }
+            }
+        });
+
+        return response()->json([
+            'labels' => $labels,
+            'backgrounds' => $this->rotateColoursForData($data),
+            'data' => $data
+        ]);
+    }
+
     public function index(Request $request)
     {
         return Theme::render('gallery.statistics');
     }
 
+    public function photosTaken12Months(Request $request)
+    {
+        $labels = [];
+        $data = [];
+
+        foreach ($this->last12MonthsDates() as $date)
+        {
+            $fromDate = sprintf('%04d-%02d-01 00:00:00', $date[0], $date[1]);
+            $toDate = sprintf('%04d-%02d-%02d 23:59:59', $date[0], $date[1], cal_days_in_month(CAL_GREGORIAN, $date[1], $date[0]));
+
+            $photoCount = Photo::whereBetween('taken_at', array($fromDate, $toDate))->count();
+
+            $labels[] = date('M Y', strtotime($fromDate));
+            $data[] = $photoCount;
+        }
+
+        return response()->json([
+            'labels' => array_reverse($labels),
+            'data' => array_reverse($data)
+        ]);
+    }
+
+    public function photosUploaded12Months(Request $request)
+    {
+        $labels = [];
+        $data = [];
+
+        foreach ($this->last12MonthsDates() as $date)
+        {
+            $fromDate = sprintf('%04d-%02d-01 00:00:00', $date[0], $date[1]);
+            $toDate = sprintf('%04d-%02d-%02d 23:59:59', $date[0], $date[1], cal_days_in_month(CAL_GREGORIAN, $date[1], $date[0]));
+
+            $photoCount = Photo::whereBetween('created_at', array($fromDate, $toDate))->count();
+
+            $labels[] = date('M Y', strtotime($fromDate));
+            $data[] = $photoCount;
+        }
+
+        return response()->json([
+            'labels' => array_reverse($labels),
+            'data' => array_reverse($data)
+        ]);
+    }
+
+    private function last12MonthsDates()
+    {
+        $year = intval(date('Y'));
+        $month = intval(date('m'));
+
+        $datesNeeded = [];
+
+        while (count($datesNeeded) < 12)
+        {
+            $datesNeeded[] = [$year, $month];
+
+            $month--;
+            if ($month == 0)
+            {
+                $month = 12;
+                $year--;
+            }
+        }
+
+        return $datesNeeded;
+    }
+
     private function rotateColoursForData(array $data = [])
     {
         $colours = ['#0F2240', '#174E79', '#287598', '#46BBB5', '#35DCAD'];

resources/lang/en/gallery.php

@@ -16,8 +16,19 @@ return [
     'other_albums_description' => 'You may also be interested in the following albums.',
     'other_albums_heading' => 'More Albums in :album_name',
     'statistics' => [
+        'album_by_photos' => 'Top 10 largest albums - number of photos',
+        'album_by_size' => 'Top 10 largest albums - photo size (MB)',
         'cameras' => 'Cameras Used',
+        'file_sizes' => 'Image file sizes',
+        'file_sizes_legend' => [
+            'small' => 'Small (<1MB)',
+            'medium' => 'Medium (<3MB)',
+            'large' => 'Large (<5MB)',
+            'huge' => 'Huge (>5MB)'
+        ],
         'intro' => 'This page displays some interesting graphs and statistics about :gallery_name.',
-        'title' => 'Statistics'
+        'taken_12_months' => 'Photos taken in the last 12 months',
+        'title' => 'Statistics',
+        'uploaded_12_months' => 'Photos uploaded in the last 12 months',
     ]
 ];

resources/views/themes/base/gallery/statistics.blade.php

@@ -18,7 +18,29 @@
         </div>
 
         <div class="row">
-            <div class="col-md-6">
+            <div class="col-md-6 mb-4">
+                <div class="card">
+                    <div class="card-header">@lang('gallery.statistics.taken_12_months')</div>
+                    <div class="card-body text-center" id="taken-12m-graph">
+                        <canvas id="taken-12m-chart" style="display: none;"></canvas>
+                        <img class="loading" src="{{ asset('ripple.svg') }}"/>
+                    </div>
+                </div>
+            </div>
+
+            <div class="col-md-6 mb-4">
+                <div class="card">
+                    <div class="card-header">@lang('gallery.statistics.uploaded_12_months')</div>
+                    <div class="card-body text-center" id="uploaded-12m-graph">
+                        <canvas id="uploaded-12m-chart" style="display: none;"></canvas>
+                        <img class="loading" src="{{ asset('ripple.svg') }}"/>
+                    </div>
+                </div>
+            </div>
+        </div>
+
+        <div class="row">
+            <div class="col-md-6 mb-4">
                 <div class="card">
                     <div class="card-header">@lang('gallery.statistics.cameras')</div>
                     <div class="card-body text-center" id="cameras-graph">
@@ -27,6 +49,38 @@
                     </div>
                 </div>
             </div>
+
+            <div class="col-md-6 mb-4">
+                <div class="card">
+                    <div class="card-header">@lang('gallery.statistics.file_sizes')</div>
+                    <div class="card-body text-center" id="filesizes-graph">
+                        <canvas id="filesizes-chart" style="display: none;"></canvas>
+                        <img class="loading" src="{{ asset('ripple.svg') }}"/>
+                    </div>
+                </div>
+            </div>
+        </div>
+
+        <div class="row">
+            <div class="col-md-6 mb-4">
+                <div class="card">
+                    <div class="card-header">@lang('gallery.statistics.album_by_photos')</div>
+                    <div class="card-body text-center" id="album-photos-graph">
+                        <canvas id="album-photos-chart" style="display: none;"></canvas>
+                        <img class="loading" src="{{ asset('ripple.svg') }}"/>
+                    </div>
+                </div>
+            </div>
+
+            <div class="col-md-6 mb-4">
+                <div class="card">
+                    <div class="card-header">@lang('gallery.statistics.album_by_size')</div>
+                    <div class="card-body text-center" id="album-size-graph">
+                        <canvas id="album-size-chart" style="display: none;"></canvas>
+                        <img class="loading" src="{{ asset('ripple.svg') }}"/>
+                    </div>
+                </div>
+            </div>
         </div>
     </div>
 @endsection
@@ -36,13 +90,66 @@
     <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.6.0/Chart.bundle.min.js"></script>
     <script type="text/javascript">
         $(document).ready(function() {
+            /* Photos taken in the last 12 months */
+            $.get('{{ route('statistics.taken12Months') }}', function(result)
+            {
+                $('.loading', '#taken-12m-graph').hide();
+                $('canvas', '#taken-12m-graph').show();
+                var myLineChart = new Chart($('#taken-12m-chart'),
+                    {
+                        type: 'line',
+                        data: {
+                            datasets: [
+                                {
+                                    borderColor: '#0F2240',
+                                    data: result.data,
+                                    fill: false
+                                }
+                            ],
+                            labels: result.labels
+                        },
+                        options: {
+                            legend: {
+                                display: false
+                            }
+                        }
+                    });
+            });
+
+            /* Photos uploaded in the last 12 months */
+            $.get('{{ route('statistics.uploaded12Months') }}', function(result)
+            {
+                $('.loading', '#uploaded-12m-graph').hide();
+                $('canvas', '#uploaded-12m-graph').show();
+                var myLineChart = new Chart($('#uploaded-12m-chart'),
+                    {
+                        type: 'line',
+                        data: {
+                            datasets: [
+                                {
+                                    borderColor: '#0F2240',
+                                    data: result.data,
+                                    fill: false
+                                }
+                            ],
+                            labels: result.labels
+                        },
+                        options: {
+                            legend: {
+                                display: false
+                            }
+                        }
+                    });
+            });
+
+            /* Cameras */
             $.get('{{ route('statistics.cameras') }}', function(result)
             {
                 $('.loading', '#cameras-graph').hide();
                 $('canvas', '#cameras-graph').show();
                 var myPieChart = new Chart($('#cameras-chart'),
                 {
-                    type: 'pie',
+                    type: 'doughnut',
                     data: {
                         datasets: [
                             {
@@ -51,6 +158,90 @@
                             }
                         ],
                         labels: result.labels
+                    },
+                    options: {
+                        legend: {
+                            display: true,
+                            position: 'bottom'
+                        }
+                    }
+                });
+            });
+
+            /* File Sizes */
+            $.get('{{ route('statistics.fileSizes') }}', function(result)
+            {
+                $('.loading', '#filesizes-graph').hide();
+                $('canvas', '#filesizes-graph').show();
+                var myPieChart = new Chart($('#filesizes-chart'),
+                    {
+                        type: 'doughnut',
+                        data: {
+                            datasets: [
+                                {
+                                    backgroundColor: result.backgrounds,
+                                    data: result.data
+                                }
+                            ],
+                            labels: result.labels
+                        },
+                        options: {
+                            legend: {
+                                display: true,
+                                position: 'bottom'
+                            }
+                        }
+                    });
+            });
+
+            /* Album size by photo count */
+            $.get('{{ route('statistics.albumSizePhotos') }}', function(result)
+            {
+                $('.loading', '#album-photos-graph').hide();
+                $('canvas', '#album-photos-graph').show();
+                var myPieChart = new Chart($('#album-photos-chart'),
+                    {
+                        type: 'doughnut',
+                        data: {
+                            datasets: [
+                                {
+                                    backgroundColor: result.backgrounds,
+                                    data: result.data
+                                }
+                            ],
+                            labels: result.labels
+                        },
+                        options: {
+                            legend: {
+                                display: true,
+                                position: 'bottom'
+                            }
+                        }
+                    });
+            });
+
+            /* Album size by photo size */
+            $.get('{{ route('statistics.albumSizePhotoSize') }}', function(result)
+            {
+                $('.loading', '#album-size-graph').hide();
+                $('canvas', '#album-size-graph').show();
+                var myPieChart = new Chart($('#album-size-chart'),
+                    {
+                        type: 'doughnut',
+                        data: {
+                            datasets: [
+                                {
+                                    backgroundColor: result.backgrounds,
+                                    data: result.data
+                                }
+                            ],
+                            labels: result.labels
+                        },
+                        options: {
+                            legend: {
+                                display: true,
+                                position: 'bottom'
+                            }
                         }
                     });
             });

routes/web.php

@@ -70,7 +70,12 @@ Route::get('/password/change', 'Auth\ChangePasswordController@showChangePassword
 Route::post('/password/change', 'Auth\ChangePasswordController@processChangePassword')->name('auth.processChangePassword');
 Route::get('/sitemap.xml', 'Gallery\DefaultController@sitemapXml');
 Route::get('/statistics', 'Gallery\StatisticsController@index')->name('statistics.index');
+Route::get('/statistics/album-size-photo-count', 'Gallery\StatisticsController@albumSizeByPhotosChart')->name('statistics.albumSizePhotos');
+Route::get('/statistics/album-size-photo-size', 'Gallery\StatisticsController@albumSizeByPhotoSizeChart')->name('statistics.albumSizePhotoSize');
 Route::get('/statistics/cameras', 'Gallery\StatisticsController@camerasChart')->name('statistics.cameras');
+Route::get('/statistics/file-sizes', 'Gallery\StatisticsController@fileSizeChart')->name('statistics.fileSizes');
+Route::get('/statistics/taken-12m', 'Gallery\StatisticsController@photosTaken12Months')->name('statistics.taken12Months');
+Route::get('/statistics/uploaded-12m', 'Gallery\StatisticsController@photosUploaded12Months')->name('statistics.uploaded12Months');
 Route::get('a/{albumUrlAlias}', 'Gallery\AlbumController@index')
     ->name('viewAlbum')
     ->where('albumUrlAlias', '.*');