catchAdmin/extend/catcher/CatchQuery.php

<?php
namespace catcher;

use catcher\base\CatchModel;
use think\db\Query;
use think\helper\Str;
use think\Paginator;

class CatchQuery extends Query
{
  /**
   *
   * @time 2020年01月13日
   * @param string $model
   * @param string $joinField
   * @param string $currentJoinField
   * @param array $field
   * @param string $type
   * @param array $bind
   * @return CatchQuery
   */
    public function catchJoin(string $model, string $joinField, string $currentJoinField, array $field = [], string $type = 'INNER', array $bind = []): CatchQuery
    {
        $table = app($model)->getTable();

        // 合并字段
        $this->options['field'] = array_merge($this->options['field'] ?? [], array_map(function ($value) use ($table) {
          return $table . '.' . $value;
        }, $field));

        return $this->join($table, sprintf('%s.%s=%s.%s', $table, $joinField, $this->getAlias(), $currentJoinField), $type, $bind);
    }

  /**
   *
   * @time 2020年01月13日
   * @param string $model
   * @param string $joinField
   * @param string $currentJoinField
   * @param array $field
   * @param array $bind
   * @return CatchQuery
   */
    public function catchLeftJoin(string $model, string $joinField, string $currentJoinField, array $field = [], array $bind = []): CatchQuery
    {
        return $this->catchJoin($model, $joinField,  $currentJoinField,  $field,'LEFT', $bind);
    }

  /**
   *
   * @time 2020年01月13日
   * @param string $model
   * @param string $joinField
   * @param string $currentJoinField
   * @param array $field
   * @param array $bind
   * @return CatchQuery
   */
    public function catchRightJoin(string $model, string $joinField, string $currentJoinField, array $field = [], array $bind = []): CatchQuery
    {
        return $this->catchJoin($model, $joinField,  $currentJoinField, $field,'RIGHT', $bind);
    }

  /**
   * rewrite
   *
   * @time 2020年01月13日
   * @param array|string $field
   * @param bool $needAlias
   * @return $this|Query
   */
    public function withoutField($field, $needAlias = false)
    {
      if (empty($field)) {
          return $this;
      }

      if (is_string($field)) {
          $field = array_map('trim', explode(',', $field));
      }

      // 过滤软删除字段
      $field[] = $this->model->getDeleteAtField();

      // 字段排除
      $fields = $this->getTableFields();
      $field  = $fields ? array_diff($fields, $field) : $field;

      if (isset($this->options['field'])) {
          $field = array_merge((array) $this->options['field'], $field);
      }

      $this->options['field'] = array_unique($field);

      if ($needAlias) {
          $alias = $this->getAlias();
          $this->options['field'] = array_map(function ($field) use ($alias) {
          return $alias . '.' . $field;
        }, $this->options['field']);
      }

      return $this;
    }

    /**
     *
     * @time 2020年01月13日
     * @param array $params
     * @return CatchQuery
     */
    public function catchSearch($params = []): CatchQuery
    {
        $params = empty($params) ? \request()->param() : $params;

        if (empty($params)) {
            return $this;
        }

        foreach ($params as $field => $value) {
            $method = 'search' . Str::studly($field) . 'Attr';
            if ($value !== null && method_exists($this->model, $method)) {
                $this->model->$method($this, $value, $params);
            }
        }

        return $this;
    }

  /**
   *
   * @time 2020年01月13日
   * @return mixed
   */
    public function getAlias()
    {
      return isset($this->options['alias']) ? $this->options['alias'][$this->getTable()] : $this->getTable();
    }

  /**
   * rewrite
   *
   * @time 2020年01月13日
   * @param string $field
   * @param mixed $condition
   * @param string $option
   * @param string $logic
   * @return Query
   */
    public function whereLike(string $field, $condition, string $logic = 'AND', $option = 'both'): Query
    {
        switch ($option) {
          case 'both':
              $condition = '%' . $condition . '%';
              break;
          case 'left':
              $condition = '%' . $condition;
              break;
          default:
              $condition .= '%';
        }

        if (strpos($field, '.') === false) {
            $field = $this->getAlias() . '.' . $field;
        }

        return parent::whereLike($field, $condition, $logic);
    }

  /**
   * 额外的字段
   *
   * @time 2020年01月13日
   * @param $fields
   * @return CatchQuery
   */
    public function addFields($fields): CatchQuery
    {
        if (is_string($fields)) {
            $this->options['field'][] = $fields;

            return $this;
        }

        $this->options['field'] = array_merge($this->options['field'], $fields);

        return $this;
    }

    public function paginate($listRows = null, $simple = false): Paginator
    {
        if (!$listRows) {
           $limit = \request()->param('limit');

           $listRows = $limit ? : CatchModel::LIMIT;
        }

        return parent::paginate($listRows, $simple); // TODO: Change the autogenerated stub
    }


    /**
     * 默认排序
     *
     * @time 2020年06月17日
     * @param string $order
     * @return $this
     */
    public function catchOrder($order = 'desc')
    {
        if (in_array('sort', array_keys($this->getFields()))) {
            $this->order($this->getTable() . '.sort', $order);
        }

        $this->order($this->getTable() . '.' . $this->getPk(), $order);

        return $this;
    }

    /**
     * 新增 Select 子查询
     *
     * @time 2020年06月17日
     * @param callable $callable
     * @param string $as
     * @return $this
     */
    public function  addSelectSub(callable $callable, string $as)
    {
        $this->field(sprintf('%s as %s', $callable()->buildSql(), $as));

        return $this;
    }

    /**
     * 字段增加
     *
     * @time 2020年11月04日
     * @param $field
     * @param int $amount
     * @throws \think\db\exception\DbException
     * @return int
     */
    public function increment($field, $amount = 1)
    {
        return $this->inc($field, $amount)->update();
    }

    /**
     * 字段减少
     *
     * @time 2020年11月04日
     * @param $field
     * @param int $amount
     * @throws \think\db\exception\DbException
     * @return int
     */
    public function decrement($field, $amount = 1)
    {
        return $this->dec($field, $amount)->update();
    }
}