feat: Implement email task import functionality

- Added `import_tasks_from_email` method in `Cron` class to handle task imports from email.
- Created `MailToTaskImporter` class for processing emails and creating tasks based on their content.
- Updated configuration to include IMAP settings for email import.
- Enhanced `Tasks` class with a method to change the client associated with a task.
- Modified task details view to include a dropdown for selecting clients.
- Improved task timer functionality with separate start and stop functions.
- Added logic to handle task work duration validation.
- Updated JavaScript to manage task timers and client changes more effectively.

templates/tasks/task_popup.php

@@ -130,9 +130,16 @@
       </div>
       <div class="client box">
         <h3>Klient</h3>
-        <? if ( $this -> task['client_id'] ):?>
-          <?= \factory\Crm::get_client_name( $this -> task['client_id'] );?>
-        <? endif;?>
+        <div class="current_client">
+          <select name="task_client" class="form-control task_client_select" task_id="<?= $this -> task['id'];?>">
+            <option value="0">-- brak --</option>
+            <? if ( is_array( $this -> clients ) ): foreach ( $this -> clients as $client ):?>
+              <option value="<?= (int)$client['id'];?>" <? if ( (int)$this -> task['client_id'] === (int)$client['id'] ):?>selected="selected"<? endif;?>>
+                <?= htmlspecialchars( $client['firm'] );?>
+              </option>
+            <? endforeach; endif;?>
+          </select>
+        </div>
       </div>
       <div class="time box">
         <h3>Przepracowany czas</h3>
@@ -168,6 +175,24 @@
     if ( !popup.length )
       return;
 
+    if ( $.fn.select2 )
+    {
+      var client_select = popup.find( '.task_client_select' );
+      client_select.select2({
+        width: '100%',
+        placeholder: 'Wybierz klienta',
+        dropdownParent: popup
+      });
+
+      client_select.on( 'select2:open', function() {
+        setTimeout( function() {
+          var search_field = document.querySelector( '.select2-container--open .select2-search__field' );
+          if ( search_field )
+            search_field.focus();
+        }, 0 );
+      } );
+    }
+
     var time_worked = popup.find( '.time_worked' );
     var time_value = popup.find( '.js-time-worked-value' );
     var total_seconds = parseInt( time_worked.attr( 'data-total-seconds' ), 10 ) || 0;