From 0cd19c87bfd31815d44ca1c6e9b3fafcc42fcd4c Mon Sep 17 00:00:00 2001
From: snipe <snipe@snipe.net>
Date: Mon, 5 Oct 2020 20:34:17 -0700
Subject: [PATCH] Added utility to delete barcode cache from labels/barcodes
 setting

---
 .../Controllers/Api/SettingsController.php    | 47 ++++++++++
 resources/views/settings/barcodes.blade.php   | 85 ++++++++++++++++++-
 routes/api.php                                |  5 ++
 3 files changed, 134 insertions(+), 3 deletions(-)

diff --git a/app/Http/Controllers/Api/SettingsController.php b/app/Http/Controllers/Api/SettingsController.php
index b3c91cafc1..71741bb6ad 100644
--- a/app/Http/Controllers/Api/SettingsController.php
+++ b/app/Http/Controllers/Api/SettingsController.php
@@ -9,10 +9,12 @@ use App\Notifications\MailTest;
 use App\Services\LdapAd;
 use Illuminate\Http\JsonResponse;
 use Illuminate\Http\Request;
+use Illuminate\Http\Response;
 use Illuminate\Support\Facades\DB;
 use Illuminate\Support\Facades\Log;
 use Illuminate\Support\Facades\Notification;
 use GuzzleHttp\Client;
+use Illuminate\Support\Facades\Storage;
 
 class SettingsController extends Controller
 {
@@ -143,6 +145,51 @@ class SettingsController extends Controller
 
     }
 
+
+    /**
+     * Delete server-cached barcodes
+     *
+     * @author [A. Gianotto] [<snipe@snipe.net>]
+     * @since [v5.0.0]
+     * @return Response
+     */
+    public function purgeBarcodes()
+    {
+
+        $file_count = 0;
+        $files = Storage::disk('public')->files('barcodes');
+
+        foreach ($files as $file) { // iterate files
+
+            $file_parts = explode(".", $file);
+            $extension = end($file_parts);
+            \Log::debug($extension);
+
+            // Only generated barcodes would have a .png file extension
+            if ($extension =='png') {
+
+                \Log::debug('Deleting: '.$file);
+
+
+                try  {
+                    Storage::disk('public')->delete($file);
+                    \Log::debug('Deleting: '.$file);
+                    $file_count++;
+                } catch (\Exception $e) {
+                    \Log::debug($e);
+                }
+            }
+
+        }
+
+        return response()->json(['message' => 'Deleted '.$file_count.' barcodes'], 200);
+
+    }
+
+
+
+
+
     /**
      * Get a list of login attempts
      *
diff --git a/resources/views/settings/barcodes.blade.php b/resources/views/settings/barcodes.blade.php
index 9bd6be17d0..bc243f2430 100644
--- a/resources/views/settings/barcodes.blade.php
+++ b/resources/views/settings/barcodes.blade.php
@@ -58,7 +58,7 @@
                                     {{ Form::label('barcode_type', trans('admin/settings/general.barcode_type')) }}
                                 </div>
                                 <div class="col-md-9">
-                                    {!! Form::barcode_types('barcode_type', old('barcode_type', $setting->barcode_type), 'select2') !!}
+                                    {!! Form::barcode_types('barcode_type', old('barcode_type', $setting->barcode_type), 'select2 col-md-4') !!}
                                     {!! $errors->first('barcode_type', '<span class="alert-msg" aria-hidden="true"><i class="fa fa-times" aria-hidden="true"></i> :message</span>') !!}
                                 </div>
                             </div>
@@ -80,13 +80,13 @@
                                     {{ Form::label('alt_barcode', trans('admin/settings/general.alt_barcode_type')) }}
                                 </div>
                                 <div class="col-md-9">
-                                    {!! Form::alt_barcode_types('alt_barcode', old('alt_barcode', $setting->alt_barcode), 'select2') !!}
+                                    {!! Form::alt_barcode_types('alt_barcode', old('alt_barcode', $setting->alt_barcode), 'select2 col-md-4') !!}
                                     {!! $errors->first('barcode_type', '<span class="alert-msg" aria-hidden="true"><i class="fa fa-times" aria-hidden="true"></i> :message</span>') !!}
                                 </div>
                             </div>
                         @else
                             <span class="help-block col-md-offset-3 col-md-12">
-                    {{ trans('admin/settings/general.php_gd_warning') }}
+                                {{ trans('admin/settings/general.php_gd_warning') }}
                                 <br>
                                 {{ trans('admin/settings/general.php_gd_info') }}
                   </span>
@@ -112,6 +112,27 @@
                             </div>
                         </div>
 
+                        <!-- Nule barcodes -->
+                        <div class="form-group">
+                            <div class="col-md-3">
+                                {{ Form::label('purge_barcodes', 'Purge Barcodes') }}
+                            </div>
+                            <div class="col-md-9" id="purgebarcodesrow">
+                                <a class="btn btn-default btn-sm pull-left" id="purgebarcodes" style="margin-right: 10px;">
+                                    Delete Barcode Cache</a>
+                                <span id="purgebarcodesicon"></span>
+                                <span id="purgebarcodesresult"></span>
+                                <span id="purgebarcodesstatus"></span>
+                            </div>
+                            <div class="col-md-9 col-md-offset-3">
+                                <div id="purgebarcodesstatus-error" class="text-danger"></div>
+                            </div>
+                            <div class="col-md-9 col-md-offset-3">
+                                <p class="help-block">This will attempt to delete cached barcodes. This would typically only be used if your barcode dettings have changed, or if your Snipe-IT URL has changed. Barcodes will be re-generated when accessed next.</p>
+                            </div>
+
+                        </div>
+
 
                     </div>
 
@@ -132,3 +153,61 @@
     {{Form::close()}}
 
 @stop
+
+@push('js')
+
+    <script nonce="{{ csrf_token() }}">
+        // Test Mail
+        $("#purgebarcodes").click(function(){
+            $("#purgebarcodesrow").removeClass('text-success');
+            $("#purgebarcodesrow").removeClass('text-danger');
+            $("#purgebarcodesicon").html('');
+            $("#purgebarcodesstatus").html('');
+            $('#purgebarcodesstatus-error').html('');
+            $("#purgebarcodesicon").html('<i class="fa fa-spinner spin"></i> Sending Test Email...');
+            $.ajax({
+                url: '{{ route('api.settings.purgebarcodes') }}',
+                type: 'POST',
+                headers: {
+                    "X-Requested-With": 'XMLHttpRequest',
+                    "X-CSRF-TOKEN": $('meta[name="csrf-token"]').attr('content')
+                },
+                data: {},
+                dataType: 'json',
+
+                success: function (data) {
+                    console.dir(data);
+                    $("#purgebarcodesicon").html('');
+                    $("#purgebarcodesstatus").html('');
+                    $('#purgebarcodesstatus-error').html('');
+                    $("#purgebarcodesstatus").removeClass('text-danger');
+                    $("#purgebarcodesstatus").addClass('text-success');
+                    if (data.message) {
+                        $("#purgebarcodesstatus").html('<i class="fa fa-check text-success"></i> ' + data.message);
+                    }
+                },
+
+                error: function (data) {
+
+                    $("#purgebarcodesicon").html('');
+                    $("#purgebarcodesstatus").html('');
+                    $('#purgebarcodesstatus-error').html('');
+                    $("#purgebarcodesstatus").removeClass('text-success');
+                    $("#purgebarcodesstatus").addClass('text-danger');
+                    $("#purgebarcodesicon").html('<i class="fa fa-exclamation-triangle text-danger"></i>');
+                    $('#purgebarcodesstatus').html('Files could not be deleted.');
+                    if (data.responseJSON) {
+                        $('#purgebarcodesstatus-error').html('Error: ' + data.responseJSON.messages);
+                    } else {
+                        console.dir(data);
+                    }
+
+                }
+
+
+            });
+        });
+
+    </script>
+
+@endpush
diff --git a/routes/api.php b/routes/api.php
index ee5fe63191..e631b98352 100644
--- a/routes/api.php
+++ b/routes/api.php
@@ -635,6 +635,11 @@ Route::group(['prefix' => 'v1','namespace' => 'Api', 'middleware' => 'auth:api']
         'uses' => 'SettingsController@ldapAdSettingsTest'
     ]);
 
+    Route::post('settings/purge_barcodes', [
+        'as' => 'api.settings.purgebarcodes',
+        'uses' => 'SettingsController@purgeBarcodes'
+    ]);
+
     Route::get('settings/login-attempts', [
         'middleware' => ['auth', 'authorize:superuser'],
         'as' => 'api.settings.login_attempts',