Merge pull request #138 from refinery29/qr-codes-ftw

Add site setting to define text below asset QR codes

app/controllers/admin/AssetsController.php

@@ -17,10 +17,14 @@ use Str;
 use Validator;
 use View;
 use Response;
+use Config;
+use Log;
+
+use BaconQrCode\Renderer\Image as QrImage;
 
 class AssetsController extends AdminController {
 
-	protected $qrCodeDimensions = array( 'height' => 160, 'width' => 160);
+	protected $qrCodeDimensions = array( 'height' => 170, 'width' => 170);
 
 	/**
 	 * Show a list of all the assets.
@@ -563,14 +567,28 @@ class AssetsController extends AdminController {
 		if ($settings->qr_code == '1') {
 			$asset = Asset::find($assetId);
 			if (isset($asset->id)) {
-				$renderer = new \BaconQrCode\Renderer\Image\Png;
-				$renderer->setWidth($this->qrCodeDimensions['height'])
-					->setHeight($this->qrCodeDimensions['height']);
+
+				$qr_text = !empty($settings->qr_text) ?
+					$settings->qr_text : $settings->site_name;
+
+				$text = new QrImage\Decorator\Text;
+				$text->setText($asset->asset_tag, 'top')
+					->setText($qr_text, 'bottom');
+
+				$renderer = new QrImage\Png;
+				$renderer->setRoundDimensions(true)
+					->setWidth($this->qrCodeDimensions['width'])
+					->setHeight($this->qrCodeDimensions['height'])
+					->setMargin(0)
+					->addDecorator($text);
+ 
 				$writer = new \BaconQrCode\Writer($renderer);
 				$content = $writer->writeString(route('view/hardware', $asset->id));
 
+				$content_disposition = sprintf('attachment;filename=qr_code_%s.png', preg_replace('/\W/', '', $asset->asset_tag));
 				$response = Response::make($content, 200);
 				$response->header('Content-Type', 'image/png');
+				$response->header('Content-Disposition', $content_disposition);
 				return $response;
 			}
 		}

app/controllers/admin/SettingsController.php

@@ -66,6 +66,7 @@ class SettingsController extends AdminController {
 		$rules = array(
 		"site_name" 	=> 'required|min:3',
 		"per_page"   		=> 'required|min:1|numeric',
+		"qr_text"		=> 'min:1|max:31'
     	);
 
 		// Create a new validator instance from our validation rules
@@ -84,6 +85,7 @@ class SettingsController extends AdminController {
 			$setting->site_name = e(Input::get('site_name'));
 			$setting->per_page = e(Input::get('per_page'));
 			$setting->qr_code = e(Input::get('qr_code', '0'));
+			$setting->qr_text = e(Input::get('qr_text'));
 
 			// Was the asset updated?
 			if($setting->save())

app/database/migrations/2014_02_13_183016_add_qr_text_to_settings_table.php

@@ -0,0 +1,34 @@
+<?php
+
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class AddQrTextToSettingsTable extends Migration {
+
+	/**
+	 * Run the migrations.
+	 *
+	 * @return void
+	 */
+	public function up()
+	{
+		Schema::table('settings', function(Blueprint $table)
+		{
+			$table->string('qr_text', 32)->nullable()->default(NULL);
+		});
+	}
+
+	/**
+	 * Reverse the migrations.
+	 *
+	 * @return void
+	 */
+	public function down()
+	{
+		Schema::table('settings', function(Blueprint $table)
+		{
+			$table->dropColumn('qr_text');
+		});
+	}
+
+}

app/routes.php

@@ -26,7 +26,7 @@ Route::group(array('prefix' => 'hardware'), function()
 	Route::get('{assetId}/checkin', array('as' => 'checkin/hardware', 'uses' => 'Controllers\Admin\AssetsController@getCheckin'));
 	Route::post('{assetId}/checkin', 'Controllers\Admin\AssetsController@postCheckin');
 	Route::get('{assetId}/view', array('as' => 'view/hardware', 'uses' => 'Controllers\Admin\AssetsController@getView'));
-	Route::get('{assetId}_qr_code.png', array('as' => 'qr_code/hardware', 'uses' => 'Controllers\Admin\AssetsController@getQrCode'));
+	Route::get('{assetId}/qr_code', array('as' => 'qr_code/hardware', 'uses' => 'Controllers\Admin\AssetsController@getQrCode'));
 
 
 # Asset Model Management

app/views/backend/hardware/view.blade.php

@@ -157,7 +157,7 @@ View Asset {{ $asset->asset_tag }} ::
 			@if ($qr_code->display)
 			<h6>QR Code</h6>
 			<p>
-				<img src="{{ $qr_code->url }}" height="{{ $qr_code->height }}" width="{{ $qr_code->width }}" />
+				<img src="{{ $qr_code->url }}" />
 			</p>
 			@endif
 

app/views/backend/settings/edit.blade.php

@@ -62,6 +62,20 @@
 											</div>
 									</div>
 
+									<div class="form-group {{ $errors->has('qr_text') ? 'error' : '' }}">
+										<label class="control-label" for="qr_text">QR Code Text</label>
+										<div class="controls">
+									@if ($setting->qr_code === '1')
+											<input class="col-md-9" type="text" name="qr_text" id="qr_text" value="{{ Input::old('qr_text', $setting->qr_text) }}" />
+									@else
+											<span class="help-inline">
+												Enable QR Codes first to set this
+											</span>
+									@endif
+											{{ $errors->first('qr_text', '<span class="help-inline">:message</span>') }}
+											</div>
+									</div>
+
 
 
 								@endforeach

app/views/backend/settings/index.blade.php

@@ -51,6 +51,10 @@ Settings ::
 								<td>No</td>
 @endif
 								</tr>
+<tr>
+									<td>QR Code Text</td>
+									<td>{{ $setting->qr_text }}</td>
+								</tr>
 								@endforeach
 							</tbody>
 						</table>