Get fields from database without sending them to browser

Datatable/Column/AbstractColumn.php

@@ -290,6 +290,14 @@ abstract class AbstractColumn implements ColumnInterface
      */
     protected $originalTypeOfField;
 
+    /**
+     * If the field is sent in the response, to show in the webpage
+     * Is set in the ColumnBuilder.
+     * Default: true
+     *
+     * @var bool
+     */
+    protected $sentInResponse;
     //-------------------------------------------------
     // Options
     //-------------------------------------------------
@@ -323,6 +331,7 @@ public function configureOptions(OptionsResolver $resolver)
             'join_type' => 'leftJoin',
             'type_of_field' => null,
             'responsive_priority' => null,
+            'sent_in_response' => true,
         ));
 
         $resolver->setAllowedTypes('cell_type', array('null', 'string'));
@@ -343,6 +352,7 @@ public function configureOptions(OptionsResolver $resolver)
         $resolver->setAllowedTypes('join_type', 'string');
         $resolver->setAllowedTypes('type_of_field', array('null', 'string'));
         $resolver->setAllowedTypes('responsive_priority', array('null', 'int'));
+        $resolver->setAllowedTypes('sent_in_response', array('bool'));
 
         $resolver->setAllowedValues('cell_type', array(null, 'th', 'td'));
         $resolver->setAllowedValues('join_type', array(null, 'join', 'leftJoin', 'innerJoin'));
@@ -1075,4 +1085,29 @@ public function setOriginalTypeOfField($originalTypeOfField)
 
         return $this;
     }
+
+    /**
+     * Get sentInResponse.
+     *
+     * @return bool
+     */
+    public function getSentInResponse()
+    {
+        return $this->sentInResponse;
+    }
+
+    /**
+     * Set sentIntResponse.
+     *
+     * @param bool $sentInResponse
+     *
+     * @return $this
+     */
+    public function setSentInResponse($sentInResponse)
+    {
+        $this->sentInResponse = $sentInResponse;
+
+        return $this;
+    }
+
 }

Resources/doc/columns.md

@@ -40,6 +40,7 @@ With 'null' initialized options uses the default value of the DataTables plugin.
 | searchable          | bool               | true              |          | Enable or disable filtering on the data in this column. |
 | title               | null or string     | null              |          | Set the column title. |
 | visible             | bool               | true              |          | Enable or disable the display of this column. |
+| sent_in_response    | bool               | true              |          | When set to `false`, allows to access to this field in the `$row` array in Closures without sending this column to the browser (parameter `visible` set to `false` only hides the column in the rendered table). |
 | width               | null or string     | null              |          | Column width assignment. |
 | add_if              | null or Closure    | null              |          | Add column only if conditions are TRUE. |
 | join_type           | string             | 'leftJoin'        |          | Join type (default: 'leftJoin'), if the column represents an association. |

Resources/views/datatable/columns.html.twig

@@ -8,6 +8,8 @@
  #}
 "columns": [
     {% for column in sg_datatables_view.columnBuilder.columns %}
-        {% include column.getOptionsTemplate %}
+        {% if column.sentInResponse %}
+            {% include column.getOptionsTemplate %}
+        {% endif %}
     {% endfor %}
 ]

Resources/views/datatable/datatable_html.html.twig

@@ -20,31 +20,44 @@
             {% if 'head' == sg_datatables_view.options.individualFilteringPosition or 'both' == sg_datatables_view.options.individualFilteringPosition%}
                 <tr>
                     {% for column in sg_datatables_view.columnBuilder.columns %}
-                        <th>{{ column.title }}</th>
+                        {% if column.sentInResponse %}
+                            <th>{{ column.title }}</th>
+                        {% endif %}
                     {% endfor %}
                 </tr>
                 <tr id="sg-datatables-{{ sg_datatables_view.uniqueName }}-filterrow">
                     {% for column in sg_datatables_view.columnBuilder.columns %}
-                        <th>
-                            {% if column.searchable %}
-                                {{ sg_datatables_render_filter(sg_datatables_view, column, 'head') }}
-                            {% endif %}
-                        </th>
+                        {% if column.sentInResponse %}
+                            <th>
+                                {% if column.searchable %}
+                                    {{ sg_datatables_render_filter(sg_datatables_view, column, 'head') }}
+                                {% endif %}
+                            </th>
+                        {% endif %}
                     {% endfor %}
                 </tr>
             {% endif %}
         {% endif %}
+        <tr>
+            {% for column in sg_datatables_view.columnBuilder.columns %}
+                {% if column.sentInResponse %}
+                    <th>{{ column.title }}</th>
+                {% endif %}
+            {% endfor %}
+        </tr>
     </thead>
         {% if true == individual_filtering %}
             {% if 'foot' == sg_datatables_view.options.individualFilteringPosition or 'both' == sg_datatables_view.options.individualFilteringPosition%}
             <tfoot>
                     <tr>
                         {% for column in sg_datatables_view.columnBuilder.columns %}
-                            <td>
-                                {% if column.searchable %}
-                                    {{ sg_datatables_render_filter(sg_datatables_view, column, 'foot') }}
-                                {% endif %}
-                            </td>
+                            {% if column.sentInResponse %}
+                                <td>
+                                    {% if column.searchable %}
+                                        {{ sg_datatables_render_filter(sg_datatables_view, column, 'foot') }}
+                                    {% endif %}
+                                </td>
+                            {% endif %}
                         {% endfor %}
                     </tr>
                 </tfoot>

Resources/views/datatable/datatable_js.html.twig

@@ -50,7 +50,7 @@
 
         function postCreateDatatable(pipeline) {
             {% for column in sg_datatables_view.columnBuilder.columns %}
-                {% if column.renderPostCreateDatatableJsContent is not null %}
+                {% if column.sentInResponse and column.renderPostCreateDatatableJsContent is not null %}
                     {{ column.renderPostCreateDatatableJsContent|raw }}
                 {% endif %}
             {% endfor %}

Response/DatatableFormatter.php

@@ -121,6 +121,12 @@ public function runFormatter(Paginator $paginator, DatatableInterface $datatable
                 $column->renderCellContent($row);
             }
 
+            foreach ($columns as $column) {
+                if (!$column->getSentInResponse()) {
+                    unset($row[$column->getDql()]);
+                }
+            }
+
             $this->output['data'][] = $row;
         }
     }