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<?phpnamespace App\Http\Model;use Illuminate\Support\Facades\DB;use Illuminate\Support\Facades\Log;
class Goods extends BaseModel{ //产品模型
/** * 关联到模型的数据表 * * @var string */ protected $table = 'goods'; /** * 表明模型是否应该被打上时间戳 * 默认情况下，Eloquent 期望 created_at 和updated_at 已经存在于数据表中，如果你不想要这些 Laravel 自动管理的数据列，在模型类中设置 $timestamps 属性为 false * * @var bool */ public $timestamps = false; protected $hidden = array(); //protected $guarded = []; //$guarded包含你不想被赋值的字段数组。
//protected $fillable = ['name']; //定义哪些字段是可以进行赋值的,与$guarded相反
/** * The connection name for the model. * 默认情况下，所有的 Eloquent 模型使用应用配置中的默认数据库连接，如果你想要为模型指定不同的连接，可以通过 $connection 属性来设置 * @var string */ //protected $connection = 'connection-name';
//常用字段
public $common_field = array( 'id', 'typeid', 'tuijian', 'click', 'title', 'description', 'sn', 'price','litpic', 'pubdate', 'add_time', 'market_price', 'goods_number', 'sale', 'comments','promote_start_date','promote_price','promote_end_date','goods_img','spec','point' ); const GOODS_NORMAL_STATUS = 0; //商品状态 0正常 1已删除 2下架 3申请上架
/** * 获取关联到产品的分类 */ public function goodstype() { return $this->belongsTo(GoodsType::class, 'typeid', 'id'); } public function getDb() { return DB::table($this->table); } /** * 列表 * @param array $where 查询条件 * @param string $order 排序 * @param string $field 字段 * @param int $offset 偏移量 * @param int $limit 取多少条 * @return array */ public function getList($where = array(), $order = '', $field = '*', $offset = 0, $limit = 15) { $model = $this->getDb(); if($where){$model = $model->where($where);} $res['count'] = $model->count(); $res['list'] = array(); if($res['count'] > 0) { if($field){if(is_array($field)){$model = $model->select($field);}else{$model = $model->select(\DB::raw($field));}} if($order){$model = parent::getOrderByData($model, $order);} if($offset){}else{$offset = 0;} if($limit){}else{$limit = 15;} $res['list'] = $model->skip($offset)->take($limit)->get(); } //return $model->toSql();//打印sql语句
return $res; } /** * 分页，用于前端html输出 * @param array $where 查询条件 * @param string $order 排序 * @param string $field 字段 * @param int $limit 每页几条 * @param int $page 当前第几页 * @return array */ public function getPaginate($where = array(), $order = '', $field = '*', $limit = 15) { $res = $this->getDb(); if($where){$res = $res->where($where);} if($field){if(is_array($field)){$res = $res->select($field);}else{$res = $res->select(\DB::raw($field));}} if($order){$res = parent::getOrderByData($res, $order);} if($limit){}else{$limit = 15;} return $res->paginate($limit); } /** * 查询全部 * @param array $where 查询条件 * @param string $order 排序 * @param string $field 字段 * @param int $limit 取多少条 * @return array */ public function getAll($where = array(), $order = '', $field = '*', $limit = '', $offset = '') { $res = $this->getDb(); if($where){$res = $res->where($where);} if($field){if(is_array($field)){$res = $res->select($field);}else{$res = $res->select(\DB::raw($field));}} if($order){$res = parent::getOrderByData($res, $order);} if($offset){$res = $res->skip($offset);} if($limit){$res = $res->take($limit);} $res = $res->get(); return $res; } /** * 获取一条 * @param array $where 条件 * @param string $field 字段 * @return array */ public function getOne($where, $field = '*') { $res = $this->getDb(); if($where){$res = $res->where($where);} if($field){if(is_array($field)){$res = $res->select($field);}else{$res = $res->select(\DB::raw($field));}} $res = $res->first(); return $res; } /** * 添加 * @param array $data 数据 * @return int */ public function add(array $data,$type = 0) { if($type==0) { // 新增单条数据并返回主键值
return self::insertGetId(parent::filterTableColumn($data,$this->table)); } elseif($type==1) { /** * 添加单条数据 * $data = ['foo' => 'bar', 'bar' => 'foo']; * 添加多条数据 * $data = [ * ['foo' => 'bar', 'bar' => 'foo'], * ['foo' => 'bar1', 'bar' => 'foo1'], * ['foo' => 'bar2', 'bar' => 'foo2'] * ]; */ return self::insert($data); } } /** * 修改 * @param array $data 数据 * @param array $where 条件 * @return int */ public function edit($data, $where = array()) { $res = $this->getDb(); return $res->where($where)->update(parent::filterTableColumn($data, $this->table)); } /** * 删除 * @param array $where 条件 * @return bool */ public function del($where) { $res = $this->getDb(); $res = $res->where($where)->delete(); return $res; } /** * 取得商品最终使用价格 * * @param string $goods_id 商品编号 * @param string $goods_num 购买数量 * * @return 商品最终购买价格 */ /* public function get_final_price($goods_id) { $final_price = '0'; //商品最终购买价格
$promote_price = '0'; //商品促销价格
$user_price = '0'; //商品会员价格，预留
//取得商品促销价格列表
$goods = Goods::where('id',$goods_id)->where('status', self::GOODS_NORMAL_STATUS)->first(['promote_price','promote_start_date','promote_end_date','price']); $final_price = $goods->price; // 计算商品的促销价格
if ($goods->promote_price > 0) { $promote_price = $this->bargain_price($goods->promote_price, $goods->promote_start_date, $goods->promote_end_date); } else { $promote_price = 0; } if ($promote_price != 0) { $final_price = $promote_price; } //返回商品最终购买价格
return $final_price; } */ /** * 取得商品最终使用价格 * * @param string $goods_id 商品编号 * @param string $goods_num 购买数量 * * @return 商品最终购买价格 */ public function get_goods_final_price($goods) { $final_price = '0'; //商品最终购买价格
$promote_price = '0'; //商品促销价格
$user_price = '0'; //商品会员价格，预留
//取得商品促销价格列表
$final_price = $goods->price; // 计算商品的促销价格
if ($goods->promote_price > 0) { $promote_price = $this->bargain_price($goods->promote_price, $goods->promote_start_date, $goods->promote_end_date); } else { $promote_price = 0; } if ($promote_price != 0) { $final_price = $promote_price; } //返回商品最终购买价格
return $final_price; } /** * 判断某个商品是否正在特价促销期 * * @access public * @param float $price 促销价格 * @param string $start 促销开始日期 * @param string $end 促销结束日期 * @return float 如果还在促销期则返回促销价，否则返回0 */ public function bargain_price($price, $start, $end) { if ($price <= 0) { return 0; } else { $time = time(); if ($time >= $start && $time <= $end) { return $price; } else { return 0; } } } /** * 增加或减少商品库存 * * @access public * @param int $id 商品ID * @param int $type 1增加库存 * @return bool */ public function changeGoodsStock($where) { if(isset($where['type']) && $where['type']==1) { //增加库存
return $this->getDb()->where(array('id'=>$where['goods_id']))->increment('goods_number', $where['goods_number']); } //减少库存
return $this->getDb()->where(array('id'=>$where['goods_id']))->decrement('goods_number', $where['goods_number']); } //获取栏目名称
public function getTypenameAttr($data) { return DB::table('goods_type')->where(array('id'=>$data['typeid']))->value('name'); } /** * 打印sql */ public function toSql($where) { return $this->getDb()->where($where)->toSql(); }}
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