updated_at.class.php

<?php
/**
* A field type for recording the date a form was submitted
*
* @package default
* @author Walter Davis
*/
class PerchFieldType_updated_at extends PerchAPI_FieldType
{
  /**
  * Output the form fields for the edit page
  *
  * @param array $details 
  * @return void
  * @author Rachel Andrew
  */
  public function render_inputs($details=array())
  {

    // The input_id is the ID to use for the field. It accounts for multiple items appearing in one edit form.
    $id  = $this->Tag->input_id();

    // Set the current value of the field to nothing
    $val = strftime('%Y-%m-%d %h:%i:%s', time());

    // $details contains the previous data stored for this field. When editing, the field needs to be repopulated with the previous values.
    if (isset($details[$id]) && $details[$id]!='') {
      $json = $details[$id];
      $val  = $json['updated_at']; 
    }

    // return a HTML string containing the form fields to display
    return $this->Form->hidden($id, $val);;
  }


  /**
  * Read in the form input, prepare data for storage in the database.
  *
  * @param string $post 
  * @param object $Item 
  * @return void
  * @author Rachel Andrew
  */
  public function get_raw($post=false, $Item=false) 
  {
    // Pepare an array of the values we're going to store.
    $store = array();

    // Use $this->Tag->id() to get the ID at this point
    $id = $this->Tag->id();

    // $post should normally be set, but if it's not, try $_POST
    if ($post===false) {
      $post = $_POST;
    }

    // Find the data we need from the post
    if (isset($post[$id])) {
      $this->raw_item = trim($post[$id]);

      // Store the data as we want it
      $store['updated_at'] = $this->raw_item;

      // Also, set the special value '_default' which is used as the value when we don't know the fieldtype (e.g. in a <perch:if /> comparison.)
      $store['_default'] = $this->raw_item;
    }

    // Return the data to store. Can be an array or just a string in the simplest case.
    return $store;
  }

  /**
  * Take the raw data input and return process values for templating
  *
  * @param string $raw 
  * @return void
  * @author Rachel Andrew
  */
  public function get_processed($raw=false)
  {    
    // Check we've got the array we're expecting
    if (is_array($raw) && isset($raw['updated_at'])) { 

      // Look at the 'output' attribute and see what we should return
      switch($this->Tag->output()) {

        // return the value by default
        default:
        return $raw['updated_at'];
        break;

      }


    }

    // else just return what we were given
    return $raw;
  }

  /**
  * Get the value to be used for searching
  *
  * @param string $raw 
  * @return void
  * @author Rachel Andrew
  */
  public function get_search_text($raw=false)
  {
    if ($raw===false) $raw = $this->get_raw();
    if (!PerchUtil::count($raw)) return false;

    if (isset($raw['updated_at'])) return $raw['updated_at'];

    return false;
  }


}

?>