PHP entity_selector::add_field方法代碼示例

 function setup_associated_items()
 {
     // populate associated entity selector from scratch
     $ass_es = new entity_selector();
     $ass_es->add_type($this->type_id);
     if ($this->rel_direction == 'a_to_b') {
         $ass_es->add_right_relationship($this->admin_page->id, $this->admin_page->rel_id);
     } else {
         $ass_es->add_left_relationship($this->admin_page->id, $this->admin_page->rel_id);
     }
     $ass_es->add_right_relationship_field('owns', 'entity', 'id', 'site_owner_id');
     if ($this->rel_direction == 'a_to_b' && $this->check_is_rel_sortable()) {
         $this->columns['rel_sort_order'] = true;
         $ass_es->add_field('relationship', 'id', 'rel_id');
         $ass_es->add_rel_sort_field($this->admin_page->id);
         $ass_es->set_order('relationship.rel_sort_order ASC');
         if ($this->_cur_user_has_edit_privs() && !$this->get_relationship_lock_state()) {
             $this->alter_order_enable = true;
         }
     } else {
         $ass_es->add_field('relationship', 'site', 'rel_site_id');
     }
     if ($this->assoc_viewer_order_by($ass_es)) {
         $this->alter_order_enable = false;
     }
     $this->ass_vals = $ass_es->run_one();
     // check sharing on associated entities
     foreach ($this->ass_vals as $k => $val) {
         // setup sharing value
         if ($this->site_id == $val->get_value('site_owner_id')) {
             $this->ass_vals[$k]->set_value('sharing', 'owns');
         } else {
             $this->ass_vals[$k]->set_value('sharing', $this->check_borrow_status($k));
         }
     }
     // this verifies and updates the associated items rel_sort_order if this is an a to b relationship
     if ($this->rel_direction == 'a_to_b' && $this->check_is_rel_sortable()) {
         if (count($this->ass_vals) == 1 && isset($this->columns['rel_sort_order'])) {
             unset($this->columns['rel_sort_order']);
         }
         if ($ass_es->orderby == 'relationship.rel_sort_order ASC') {
             $rel_update_array = $this->validate_rel_sort_order($this->ass_vals, true);
         } else {
             $rel_update_array = $this->validate_rel_sort_order($this->ass_vals);
         }
         if (count($rel_update_array) > 0) {
             foreach ($rel_update_array as $k => $v) {
                 update_relationship($k, array('rel_sort_order' => $v));
             }
         }
     }
 }

 function alter_values()
 {
     $parent = new entity_selector();
     $parent->add_field('entity2', 'id', 'parent_id');
     $parent->add_table('allowable_relationship2', 'allowable_relationship');
     $parent->add_table('relationship2', 'relationship');
     $parent->add_table('entity2', 'entity');
     $parent->add_relation('entity2.id =  relationship2.entity_b');
     $parent->add_relation('entity.id = relationship2.entity_a');
     $parent->add_relation('relationship2.type = allowable_relationship2.id');
     $parent->add_relation('allowable_relationship2.name LIKE "%parent%"');
     $parent->set_order('sortable.sort_order');
     $this->es->swallow($parent);
     $this->remove_column('id');
 }

 function _get_max_sort_order_value($page_id)
 {
     $es = new entity_selector();
     $es->add_type(id_of('image'));
     $es->add_right_relationship($page_id, relationship_id_of('minisite_page_to_image'));
     $es->add_field('relationship', 'id', 'rel_id');
     $es->add_rel_sort_field($page_id);
     $es->set_order('relationship.rel_sort_order DESC');
     $es->set_num(1);
     $images = $es->run_one();
     if (!empty($images)) {
         $image = current($images);
         if ($image->get_value('rel_sort_order')) {
             return $image->get_value('rel_sort_order');
         }
     }
     return 0;
 }

function get_relationships_to_update($left_side_entity_type, $right_side_entity_type, $relationship_type, $left_side_relation_limiter, $ordering)
{
    $es = new entity_selector();
    $es->add_type(id_of($left_side_entity_type));
    if (!empty($left_side_relation_limiter)) {
        $es->add_relation($left_side_relation_limiter);
    }
    $result = $es->run_one();
    foreach ($result as $entity) {
        if ($entity->has_left_relation_of_type(relationship_id_of($relationship_type))) {
            $owns_entity = $entity->get_owner();
            $site_id = !empty($owns_entity) ? $owns_entity->id() : '';
            $es2 = new entity_selector($site_id);
            $es2->add_type(id_of($right_side_entity_type));
            $es2->set_sharing('owns,borrows');
            $es2->add_right_relationship($entity->id(), relationship_id_of($relationship_type));
            if (!empty($site_id)) {
                $es2->add_field('ar', 'name', 'sharing');
            }
            $es2->add_field('relationship', 'id', 'rel_id');
            if (!empty($ordering)) {
                $es2->set_order($ordering);
            }
            //echo '<hr> '.$es2->get_one_query() . '<hr/>';
            $result2 = $es2->run_one();
            $sort_order = 1;
            if (is_array($result2)) {
                foreach ($result2 as $entity) {
                    $update_array[$entity->get_value('rel_id')] = $sort_order;
                    $sort_order++;
                }
            }
        }
    }
    if (isset($update_array) && count($update_array) > 0) {
        return $update_array;
    } else {
        trigger_error('Could not find anything to update - check to make sure you have entered a valid left and right side entity, and relationship type');
        die;
    }
}

 function get_images_in_new_order($page_id)
 {
     $es = new entity_selector();
     $es->add_type(id_of('image'));
     $es->add_right_relationship($page_id, relationship_id_of('minisite_page_to_image'));
     $es->add_rel_sort_field($page_id, relationship_id_of('minisite_page_to_image'), 'rel_sort_order');
     $es->add_field('relationship', 'id', 'rel_id');
     $es->set_order('rel_sort_order ASC, dated.datetime ASC, meta.description ASC, entity.id ASC');
     return $es->run_one();
 }

 /**
  * prep_for_run returns the array describing which relationships need to be updated, and also verifies that the entity that is
  * being moved is in the same row position it was prior to the request (gracefully handles double clicks and the like)
  *
  * @return mixed array describing new sort orders according to relationship id, or false
  */
 function prep_for_run()
 {
     $e = new entity($this->entity_id);
     $type_id = $e->get_value('type');
     // performs an appropriate entity selection - populates class variables with specifics for run method.
     $es = new entity_selector($this->site_id);
     $es->add_type($type_id);
     $es->set_sharing('owns,borrows');
     $es->add_field('relationship', 'id', 'relationship_id');
     $es->add_right_relationship($this->left_entity_id, $this->al_relationship_id);
     $es->add_rel_sort_field($this->left_entity_id);
     if ($this->direction == 'moveup') {
         $es->set_order('rel_sort_order DESC');
     } else {
         $es->set_order('rel_sort_order ASC');
     }
     $result = $es->run_one();
     $resultcount = count($result);
     $read_next = false;
     $rowcounter = 0;
     foreach ($result as $k => $v) {
         if ($read_next == true) {
             $new_rel_sort_order = $v->get_value('rel_sort_order');
             $relationship_id_2 = $v->get_value('relationship_id');
             break;
         } elseif ($k == $this->entity_id) {
             if ($this->direction == 'moveup' && $this->row_id == $resultcount - $rowcounter || $this->direction == 'movedown' && $this->row_id == $rowcounter + 1) {
                 $old_rel_sort_order = $v->get_value('rel_sort_order');
                 $relationship_id_1 = $v->get_value('relationship_id');
                 $read_next = true;
             } else {
                 trigger_error('There was a problem modifying the relationship sort order - the entity being moved does not have the same location as when the request was initiated. This can happen from multiple clicks or when multiple people are modifying the sort order.');
                 return false;
             }
         } else {
             unset($result[$k]);
             $rowcounter++;
         }
     }
     if (is_numeric($relationship_id_1) && is_numeric($relationship_id_2) && is_numeric($new_rel_sort_order) && is_numeric($old_rel_sort_order)) {
         return array($relationship_id_1 => $new_rel_sort_order, $relationship_id_2 => $old_rel_sort_order);
     } else {
         return false;
     }
 }