AnnotationWhereClause.php

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<?php

namespace Elgg\Database\Clauses;

use Elgg\Database\QueryBuilder;
use Elgg\Exceptions\DomainException;

class AnnotationWhereClause extends WhereClause {

    public $ids;

    public $entity_guids;

    public $owner_guids;

    public $enabled;

    public $access_ids;

    public $names;
    
    public $comparison = '=';

    public $values;

    public $value_type = ELGG_VALUE_STRING;

    public $case_sensitive = true;

    public $created_after;

    public $created_before;

    public $sort_by_direction;

    public $sort_by_calculation;

    public $ignore_access;

    public $use_enabled_clause;

    public $viewer_guid;

    public function prepare(QueryBuilder $qb, $table_alias = null) {
        $alias = function ($column) use ($table_alias) {
            return $table_alias ? "{$table_alias}.{$column}" : $column;
        };

        $wheres = [];
        $wheres[] = parent::prepare($qb, $table_alias);

        $access = new AccessWhereClause();
        $access->use_enabled_clause = $this->use_enabled_clause;
        $access->ignore_access = $this->ignore_access;
        $access->viewer_guid = $this->viewer_guid;
        $access->guid_column = 'entity_guid';
        $wheres[] = $access->prepare($qb, $table_alias);

        $wheres[] = $qb->compare($alias('id'), '=', $this->ids, ELGG_VALUE_ID);
        $wheres[] = $qb->compare($alias('name'), '=', $this->names, ELGG_VALUE_STRING);
        $wheres[] = $qb->compare($alias('value'), $this->comparison, $this->values, $this->value_type, $this->case_sensitive);
        $wheres[] = $qb->compare($alias('entity_guid'), '=', $this->entity_guids, ELGG_VALUE_GUID);
        $wheres[] = $qb->compare($alias('owner_guid'), '=', $this->owner_guids, ELGG_VALUE_GUID);
        $wheres[] = $qb->compare($alias('enabled'), '=', $this->enabled, ELGG_VALUE_STRING);
        $wheres[] = $qb->compare($alias('access_id'), '=', $this->access_ids, ELGG_VALUE_ID);
        $wheres[] = $qb->between($alias('time_created'), $this->created_after, $this->created_before, ELGG_VALUE_TIMESTAMP);

        if ($this->sort_by_calculation) {
            if (!in_array(strtolower($this->sort_by_calculation), QueryBuilder::CALCULATIONS)) {
                throw new DomainException("'{$this->sort_by_calculation}' is not a valid numeric calculation formula");
            }

            $calculation = "{$this->sort_by_calculation}(CAST({$alias('value')} AS DECIMAL(10, 2)))";
            $select_alias = 'annotation_calculation';

            $qb->addSelect("{$calculation} AS {$select_alias}");
            $qb->addGroupBy($alias('entity_guid'));
            $qb->addOrderBy($select_alias, $this->sort_by_direction);
        } elseif ($this->sort_by_direction) {
            $column = $alias('value');
            if ($this->value_type == ELGG_VALUE_INTEGER) {
                $column = "CAST({$column} AS SIGNED)";
            }
            
            $qb->addOrderBy($column, $this->sort_by_direction);
        }

        return $qb->merge($wheres);
    }
}