mirror of
https://github.com/opensourcepos/opensourcepos.git
synced 2026-01-02 06:27:50 -05:00
530 lines
14 KiB
PHP
530 lines
14 KiB
PHP
<?php
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class Item extends CI_Model
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{
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/*
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Determines if a given item_id is an item
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*/
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public function exists($item_id, $ignore_deleted = FALSE, $deleted = FALSE)
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{
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$this->db->from('items');
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$this->db->where('CAST(item_id AS CHAR) = ', $item_id);
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if($ignore_deleted == FALSE)
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{
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$this->db->where('deleted', $deleted);
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}
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return ($this->db->get()->num_rows() == 1);
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}
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/*
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Determines if a given item_number exists
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*/
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public function item_number_exists($item_number, $item_id = '')
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{
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$this->db->from('items');
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$this->db->where('item_number', $item_number);
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if(!empty($item_id))
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{
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$this->db->where('item_id !=', $item_id);
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}
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return ($this->db->get()->num_rows() == 1);
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}
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/*
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Gets total of rows
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*/
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public function get_total_rows()
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{
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$this->db->from('items');
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$this->db->where('deleted', 0);
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return $this->db->count_all_results();
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}
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/*
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Get number of rows
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*/
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public function get_found_rows($search, $filters)
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{
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return $this->search($search, $filters)->num_rows();
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}
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/*
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Perform a search on items
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*/
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public function search($search, $filters, $rows = 0, $limit_from = 0, $sort = 'items.name', $order = 'asc')
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{
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$this->db->from('items');
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$this->db->join('suppliers', 'suppliers.person_id = items.supplier_id', 'left');
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$this->db->join('inventory', 'inventory.trans_items = items.item_id');
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if($filters['stock_location_id'] > -1)
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{
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$this->db->join('item_quantities', 'item_quantities.item_id = items.item_id');
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$this->db->where('location_id', $filters['stock_location_id']);
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}
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$this->db->where('DATE_FORMAT(trans_date, "%Y-%m-%d") BETWEEN ' . $this->db->escape($filters['start_date']) . ' AND ' . $this->db->escape($filters['end_date']));
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if(!empty($search))
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{
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if($filters['search_custom'] == FALSE)
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{
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$this->db->group_start();
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$this->db->like('name', $search);
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$this->db->or_like('item_number', $search);
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$this->db->or_like('items.item_id', $search);
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$this->db->or_like('company_name', $search);
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$this->db->or_like('category', $search);
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$this->db->group_end();
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}
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else
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{
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$this->db->group_start();
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$this->db->like('custom1', $search);
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$this->db->or_like('custom2', $search);
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$this->db->or_like('custom3', $search);
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$this->db->or_like('custom4', $search);
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$this->db->or_like('custom5', $search);
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$this->db->or_like('custom6', $search);
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$this->db->or_like('custom7', $search);
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$this->db->or_like('custom8', $search);
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$this->db->or_like('custom9', $search);
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$this->db->or_like('custom10', $search);
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$this->db->group_end();
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}
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}
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$this->db->where('items.deleted', $filters['is_deleted']);
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if($filters['empty_upc'] != FALSE)
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{
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$this->db->where('item_number', NULL);
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}
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if($filters['low_inventory'] != FALSE)
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{
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$this->db->where('quantity <=', 'reorder_level');
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}
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if($filters['is_serialized'] != FALSE)
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{
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$this->db->where('is_serialized', 1);
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}
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if($filters['no_description'] != FALSE)
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{
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$this->db->where('items.description', '');
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}
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// avoid duplicated entries with same name because of inventory reporting multiple changes on the same item in the same date range
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$this->db->group_by('items.item_id');
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// order by name of item
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$this->db->order_by($sort, $order);
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if($rows > 0)
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{
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$this->db->limit($rows, $limit_from);
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}
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return $this->db->get();
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}
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/*
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Returns all the items
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*/
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public function get_all($stock_location_id = -1, $rows = 0, $limit_from = 0)
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{
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$this->db->from('items');
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$this->db->join('suppliers', 'suppliers.person_id = items.supplier_id', 'left');
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if($stock_location_id > -1)
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{
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$this->db->join('item_quantities', 'item_quantities.item_id=items.item_id');
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$this->db->where('location_id', $stock_location_id);
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}
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$this->db->where('items.deleted', 0);
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// order by name of item
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$this->db->order_by('items.name', 'asc');
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if($rows > 0)
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{
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$this->db->limit($rows, $limit_from);
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}
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return $this->db->get();
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}
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/*
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Gets information about a particular item
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*/
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public function get_info($item_id)
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{
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$this->db->select('items.*');
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$this->db->select('suppliers.company_name');
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$this->db->from('items');
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$this->db->join('suppliers', 'suppliers.person_id = items.supplier_id', 'left');
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$this->db->where('item_id', $item_id);
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$query = $this->db->get();
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if($query->num_rows() == 1)
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{
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return $query->row();
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}
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else
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{
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//Get empty base parent object, as $item_id is NOT an item
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$item_obj = new stdClass();
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//Get all the fields from items table
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foreach($this->db->list_fields('items') as $field)
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{
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$item_obj->$field = '';
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}
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return $item_obj;
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}
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}
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/*
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Get an item id given an item number
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*/
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public function get_item_id($item_number)
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{
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$this->db->from('items');
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$this->db->join('suppliers', 'suppliers.person_id = items.supplier_id', 'left');
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$this->db->where('item_number', $item_number);
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$this->db->where('items.deleted', 0);
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$query = $this->db->get();
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if($query->num_rows() == 1)
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{
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return $query->row()->item_id;
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}
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return FALSE;
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}
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/*
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Gets information about multiple items
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*/
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public function get_multiple_info($item_ids, $location_id)
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{
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$this->db->from('items');
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$this->db->join('suppliers', 'suppliers.person_id = items.supplier_id', 'left');
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$this->db->join('item_quantities', 'item_quantities.item_id = items.item_id', 'left');
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$this->db->where('location_id', $location_id);
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$this->db->where_in('items.item_id', $item_ids);
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return $this->db->get();
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}
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/*
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Inserts or updates a item
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*/
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public function save(&$item_data, $item_id = FALSE)
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{
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if(!$item_id || !$this->exists($item_id, TRUE))
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{
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if($this->db->insert('items', $item_data))
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{
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$item_data['item_id'] = $this->db->insert_id();
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return TRUE;
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}
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return FALSE;
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}
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$this->db->where('item_id', $item_id);
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return $this->db->update('items', $item_data);
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}
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/*
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Updates multiple items at once
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*/
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public function update_multiple($item_data, $item_ids)
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{
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$this->db->where_in('item_id', explode(':', $item_ids));
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return $this->db->update('items', $item_data);
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}
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/*
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Deletes one item
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*/
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public function delete($item_id)
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{
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//Run these queries as a transaction, we want to make sure we do all or nothing
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$this->db->trans_start();
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// set to 0 quantities
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$this->Item_quantity->reset_quantity($item_id);
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$this->db->where('item_id', $item_id);
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$success = $this->db->update('items', array('deleted'=>1));
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$this->db->trans_complete();
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$success &= $this->db->trans_status();
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return $success;
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}
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/*
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Undeletes one item
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*/
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public function undelete($item_id)
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{
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$this->db->where('item_id', $item_id);
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return $this->db->update('items', array('deleted'=>0));
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}
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/*
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Deletes a list of items
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*/
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public function delete_list($item_ids)
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{
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//Run these queries as a transaction, we want to make sure we do all or nothing
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$this->db->trans_start();
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// set to 0 quantities
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$this->Item_quantity->reset_quantity_list($item_ids);
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$this->db->where_in('item_id', $item_ids);
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$success = $this->db->update('items', array('deleted'=>1));
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$this->db->trans_complete();
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$success &= $this->db->trans_status();
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return $success;
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}
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public function get_search_suggestions($search, $filters = array('is_deleted' => FALSE, 'search_custom' => FALSE), $unique = FALSE, $limit = 25)
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{
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$suggestions = array();
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$this->db->select('item_id, name');
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$this->db->from('items');
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$this->db->where('deleted', $filters['is_deleted']);
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$this->db->like('name', $search);
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$this->db->order_by('name', 'asc');
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foreach($this->db->get()->result() as $row)
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{
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$suggestions[] = array('value' => $row->item_id, 'label' => $row->name);
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}
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$this->db->select('item_id, item_number');
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$this->db->from('items');
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$this->db->where('deleted', $filters['is_deleted']);
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$this->db->like('item_number', $search);
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$this->db->order_by('item_number', 'asc');
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foreach($this->db->get()->result() as $row)
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{
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$suggestions[] = array('value' => $row->item_id, 'label' => $row->item_number);
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}
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if(!$unique)
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{
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//Search by category
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$this->db->select('category');
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$this->db->from('items');
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$this->db->where('deleted', $filters['is_deleted']);
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$this->db->distinct();
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$this->db->like('category', $search);
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$this->db->order_by('category', 'asc');
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foreach($this->db->get()->result() as $row)
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{
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$suggestions[] = array('label' => $row->category);
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}
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//Search by supplier
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$this->db->select('company_name');
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$this->db->from('suppliers');
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$this->db->like('company_name', $search);
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// restrict to non deleted companies only if is_deleted is FALSE
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$this->db->where('deleted', $filters['is_deleted']);
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$this->db->distinct();
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$this->db->order_by('company_name', 'asc');
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foreach($this->db->get()->result() as $row)
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{
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$suggestions[] = array('label' => $row->company_name);
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}
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//Search by description
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$this->db->select('item_id, name, description');
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$this->db->from('items');
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$this->db->where('deleted', $filters['is_deleted']);
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$this->db->like('description', $search);
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$this->db->order_by('description', 'asc');
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foreach($this->db->get()->result() as $row)
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{
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$entry = array('value' => $row->item_id, 'label' => $row->name);
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if(!array_walk($suggestions, function($value, $label) use ($entry) { return $entry['label'] != $label; } ))
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{
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$suggestions[] = $entry;
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}
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}
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//Search by custom fields
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if($filters['search_custom'] != FALSE)
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{
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$this->db->from('items');
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$this->db->group_start();
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$this->db->like('custom1', $search);
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$this->db->or_like('custom2', $search);
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$this->db->or_like('custom3', $search);
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$this->db->or_like('custom4', $search);
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$this->db->or_like('custom5', $search);
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$this->db->or_like('custom6', $search);
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$this->db->or_like('custom7', $search);
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$this->db->or_like('custom8', $search);
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$this->db->or_like('custom9', $search);
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$this->db->or_like('custom10', $search);
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$this->db->group_end();
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$this->db->where('deleted', $filters['is_deleted']);
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foreach($this->db->get()->result() as $row)
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{
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$suggestions[] = array('value' => $row->item_id, 'label' => $row->name);
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}
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}
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}
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//only return $limit suggestions
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if(count($suggestions > $limit))
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{
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$suggestions = array_slice($suggestions, 0,$limit);
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}
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return $suggestions;
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}
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public function get_category_suggestions($search)
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{
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$suggestions = array();
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$this->db->distinct();
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$this->db->select('category');
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$this->db->from('items');
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$this->db->like('category', $search);
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$this->db->where('deleted', 0);
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$this->db->order_by('category', 'asc');
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foreach($this->db->get()->result() as $row)
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{
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$suggestions[] = array('label' => $row->category);
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}
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return $suggestions;
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}
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public function get_location_suggestions($search)
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{
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$suggestions = array();
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$this->db->distinct();
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$this->db->select('location');
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$this->db->from('items');
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$this->db->like('location', $search);
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$this->db->where('deleted', 0);
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$this->db->order_by('location', 'asc');
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foreach($this->db->get()->result() as $row)
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{
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$suggestions[] = array('label' => $row->location);
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}
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return $suggestions;
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}
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public function get_custom_suggestions($search, $field_no)
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{
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$suggestions = array();
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$this->db->distinct();
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$this->db->select('custom'.$field_no);
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$this->db->from('items');
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$this->db->like('custom'.$field_no, $search);
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$this->db->where('deleted', 0);
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$this->db->order_by('custom'.$field_no, 'asc');
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foreach($this->db->get()->result() as $row)
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{
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$row_array = (array) $row;
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$suggestions[] = array('label' => $row_array['custom'.$field_no]);
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}
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return $suggestions;
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}
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public function get_categories()
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{
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$this->db->select('category');
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$this->db->from('items');
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$this->db->where('deleted', 0);
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$this->db->distinct();
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$this->db->order_by('category', 'asc');
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return $this->db->get();
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}
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/*
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* changes the cost price of a given item
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* calculates the average price between received items and items on stock
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* $item_id : the item which price should be changed
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* $items_received : the amount of new items received
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* $new_price : the cost-price for the newly received items
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* $old_price (optional) : the current-cost-price
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*
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* used in receiving-process to update cost-price if changed
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* caution: must be used there before item_quantities gets updated, otherwise average price is wrong!
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*
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*/
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public function change_cost_price($item_id, $items_received, $new_price, $old_price = null)
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{
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if($old_price === null)
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{
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$item_info = $this->get_info($item_id);
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$old_price = $item_info->cost_price;
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}
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$this->db->from('item_quantities');
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$this->db->select_sum('quantity');
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$this->db->where('item_id', $item_id);
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$this->db->join('stock_locations', 'stock_locations.location_id=item_quantities.location_id');
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$this->db->where('stock_locations.deleted', 0);
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$old_total_quantity = $this->db->get()->row()->quantity;
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$total_quantity = $old_total_quantity + $items_received;
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$average_price = bcdiv(bcadd(bcmul($items_received, $new_price), bcmul($old_total_quantity, $old_price)), $total_quantity);
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$data = array('cost_price' => $average_price);
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return $this->save($data, $item_id);
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}
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//We create a temp table that allows us to do easy report queries
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public function create_temp_table()
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{
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$this->db->query('CREATE TEMPORARY TABLE IF NOT EXISTS ' . $this->db->dbprefix('items_temp') .
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'(
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SELECT
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items.name,
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items.item_number,
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items.description,
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items.reorder_level,
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item_quantities.quantity,
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stock_locations.location_name,
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stock_locations.location_id,
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items.cost_price,
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items.unit_price,
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(items.cost_price * item_quantities.quantity) AS sub_total_value
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FROM ' . $this->db->dbprefix('items') . ' AS items
|
|
INNER JOIN ' . $this->db->dbprefix('item_quantities') . ' AS item_quantities
|
|
ON items.item_id = item_quantities.item_id
|
|
INNER JOIN ' . $this->db->dbprefix('stock_locations') . ' AS stock_locations
|
|
ON item_quantities.location_id = stock_locations.location_id
|
|
WHERE items.deleted = 0
|
|
)'
|
|
);
|
|
}
|
|
}
|
|
?>
|