<?php
defined('BASEPATH') OR exit('No direct script access allowed');

/**
 * CB_Model class
 *
 * Copyright (c) CIBoard <www.ciboard.co.kr>
 *
 * @author CIBoard (develop@ciboard.co.kr)
 */

class CB_Model extends CI_Model
{

	/* --------------------------------------------------------------
	 * VARIABLES
	 * ------------------------------------------------------------ */

	/**
	 * 테이블명
	 */
	protected $_table;

	/**
	 * 프라이머리키
	 */
	protected $primary_key;

	/**
	 * 실제 어떤 식으로든 검색이 가능한 필드
	 */
	public $allow_search_field = array();

	/**
	 * 실제 어떤 식으로든 정렬이 가능한 필드
	 */
	public $allow_order_field = array();

	/**
	 * = 검색 필드, like 검색이 아님
	 */
	public $search_field_equal = array();

	/* --------------------------------------------------------------
	 * GENERIC METHODS
	 * ------------------------------------------------------------ */

	/**
	 * Initialise the model, tie into the CodeIgniter superobject and
	 * try our best to guess the table name.
	 */
	public function __construct()
	{
		parent::__construct();
	}


	public function get($primary_value = '', $select = '', $where = '', $limit = '', $offset = 0, $findex = '', $forder = '')
	{

		$result = $this->_get($primary_value, $select, $where, $limit, $offset, $findex, $forder);
		return $result->result_array();
	}


	public function get_one($primary_value = '', $select = '', $where = '')
	{
		$result = $this->_get($primary_value, $select, $where, 1);
		return $result->row_array();
	}


	public function _get($primary_value = '', $select = '', $where = '', $limit = '', $offset = 0, $findex = '', $forder = '')
	{
		if ($select) {
			$this->db->select($select);
		}
		$this->db->from($this->_table);
		if ($primary_value) {
			$this->db->where($this->primary_key, $primary_value);
		}
		if ($where) {
			$this->db->where($where);
		}
		if ($findex) {
			if (strtoupper($forder) === 'RANDOM') {
				$forder = 'RANDOM';
			} elseif (strtoupper($forder) === 'DESC') {
				$forder = 'DESC';
			} else {
				$forder = 'ASC';
			}
			$this->db->order_by($findex, $forder);
		}
		if (is_numeric($limit) && is_numeric($offset)) {
			$this->db->limit($limit, $offset);
		}
		$result = $this->db->get();

		return $result;
	}


	public function get_list($limit = '', $offset = '', $where = '', $like = '', $findex = '', $forder = '', $sfield = '', $skeyword = '', $sop = 'OR')
	{
		$result = $this->_get_list_common($select = '', $join = '', $limit, $offset, $where, $like, $findex, $forder, $sfield, $skeyword, $sop);
		return $result;
	}


	public function get_admin_list($limit = '', $offset = '', $where = '', $like = '', $findex = '', $forder = '', $sfield = '', $skeyword = '', $sop = 'OR')
	{
		$result = $this->_get_list_common($select = '', $join = '', $limit, $offset, $where, $like, $findex, $forder, $sfield, $skeyword, $sop);
		return $result;
	}


	public function _get_list_common($select = '', $join = '', $limit = '', $offset = '', $where = '', $like = '', $findex = '', $forder = '', $sfield = '', $skeyword = '', $sop = 'OR')
	{
		if (empty($findex) OR ! in_array($findex, $this->allow_order_field)) {
			$findex = $this->primary_key;
		}

		$forder = (strtoupper($forder) === 'ASC') ? 'ASC' : 'DESC';
		$sop = (strtoupper($sop) === 'AND') ? 'AND' : 'OR';

		$count_by_where = array();
		$search_where = array();
		$search_like = array();
		$search_or_like = array();
		if ($sfield && is_array($sfield)) {
			foreach ($sfield as $skey => $sval) {
				$ssf = $sval;
				if ($skeyword && $ssf && in_array($ssf, $this->allow_search_field)) {
					if (in_array($ssf, $this->search_field_equal)) {
						$search_where[$ssf] = $skeyword;
					} else {
						$swordarray = explode(' ', $skeyword);
						foreach ($swordarray as $str) {
							if (empty($ssf)) {
								continue;
							}
							if ($sop === 'AND') {
								$search_like[] = array($ssf => $str);
							} else {
								$search_or_like[] = array($ssf => $str);
							}
						}
					}
				}
			}
		} else {
			$ssf = $sfield;
			if ($skeyword && $ssf && in_array($ssf, $this->allow_search_field)) {
				if (in_array($ssf, $this->search_field_equal)) {
					$search_where[$ssf] = $skeyword;
				} else {
					$swordarray = explode(' ', $skeyword);
					foreach ($swordarray as $str) {
						if (empty($ssf)) {
							continue;
						}
						if ($sop === 'AND') {
							$search_like[] = array($ssf => $str);
						} else {
							$search_or_like[] = array($ssf => $str);
						}
					}
				}
			}
		}

		if ($select) {
			$this->db->select($select);
		}
		$this->db->from($this->_table);
		if ( ! empty($join['table']) && ! empty($join['on'])) {
			if (empty($join['type'])) {
				$join['type'] = 'left';
			}
			$this->db->join($join['table'], $join['on'], $join['type']);
		} elseif (is_array($join)) {
			foreach ($join as $jkey => $jval) {
				if ( ! empty($jval['table']) && ! empty($jval['on'])) {
					if (empty($jval['type'])) {
						$jval['type'] = 'left';
					}
					$this->db->join($jval['table'], $jval['on'], $jval['type']);
				}
			}
		}

		if ($where) {
			$this->db->where($where);
		}
		if ($search_where) {
			$this->db->where($search_where);
		}
		if ($like) {
			$this->db->like($like);
		}
		if ($search_like) {
			foreach ($search_like as $item) {
				foreach ($item as $skey => $sval) {
					$this->db->like($skey, $sval);
				}
			}
		}
		if ($search_or_like) {
			$this->db->group_start();
			foreach ($search_or_like as $item) {
				foreach ($item as $skey => $sval) {
					$this->db->or_like($skey, $sval);
				}
			}
			$this->db->group_end();
		}
		if ($count_by_where) {
			$this->db->where($count_by_where);
		}

		$this->db->order_by($findex, $forder);
		if ($limit) {
			$this->db->limit($limit, $offset);
		}
		$qry = $this->db->get();
		$result['list'] = $qry->result_array();

		$this->db->select('count(*) as rownum');
		$this->db->from($this->_table);
		if ( ! empty($join['table']) && ! empty($join['on'])) {
			if (empty($join['type'])) {
				$join['type'] = 'left';
			}
			$this->db->join($join['table'], $join['on'], $join['type']);
		} elseif (is_array($join)) {
			foreach ($join as $jkey => $jval) {
				if ( ! empty($jval['table']) && ! empty($jval['on'])) {
					if (empty($jval['type'])) {
						$jval['type'] = 'left';
					}
					$this->db->join($jval['table'], $jval['on'], $jval['type']);
				}
			}
		}
		if ($where) {
			$this->db->where($where);
		}
		if ($search_where) {
			$this->db->where($search_where);
		}
		if ($like) {
			$this->db->like($like);
		}
		if ($search_like) {
			foreach ($search_like as $item) {
				foreach ($item as $skey => $sval) {
					$this->db->like($skey, $sval);
				}
			}
		}
		if ($search_or_like) {
			$this->db->group_start();
			foreach ($search_or_like as $item) {
				foreach ($item as $skey => $sval) {
					$this->db->or_like($skey, $sval);
				}
			}
			$this->db->group_end();
		}
		if ($count_by_where) {
			$this->db->where($count_by_where);
		}
		$qry = $this->db->get();
		$rows = $qry->row_array();
		$result['total_rows'] = $rows['rownum'];

		return $result;
	}


	public function delete($primary_value = '', $where = '')
	{
		if ($primary_value) {
			$this->db->where($this->primary_key, $primary_value);
		}
		if ($where) {
			$this->db->where($where);
		}
		$result = $this->db->delete($this->_table);

		return $result;
	}


	public function delete_where($where = '')
	{
		if (empty($where)) {
			return;
		}

		$this->db->where($where);
		$result = $this->db->delete($this->_table);

		return $result;
	}


	public function update($primary_value = '', $updatedata = '', $where = '')
	{
		if ( ! empty($updatedata)) {
			if ( ! empty($primary_value)) {
				$this->db->where($this->primary_key, $primary_value);
			}
			if ( ! empty($where)) {
				$this->db->where($where);
			}
			$this->db->set($updatedata);
			$result = $this->db->update($this->_table);

			return $result;
		} else {
			return false;
		}
	}


	public function insert($data)
	{
		if ( ! empty($data)) {
			$this->db->insert($this->_table, $data);
			$insert_id = $this->db->insert_id();

			return $insert_id;
		} else {
			return false;
		}
	}


	public function replace($data = '')
	{
		if ( ! empty($data)) {
			$this->db->replace($this->_table, $data);

			return true;
		} else {
			return false;
		}
	}


	public function count_by($where = '', $like = '')
	{
		if ($where) {
			$this->db->where($where);
		}
		if ($like) {
			$this->db->like($like);
		}
		return $this->db->count_all_results($this->_table);
	}


	public function update_plus($primary_value = '', $field = '', $count = '')
	{
		if (empty($primary_value) OR empty($field) OR empty($count)) {
			return false;
		}
		$this->db->where($this->primary_key, $primary_value);
		if ($count > 0) {
			$this->db->set($field, $field . '+' . $count, false);
		} else {
			$this->db->set($field, $field . $count, false);
		}
		$result = $this->db->update($this->_table);

		return $result;
	}
}