<?php
namespace App\Services;
use Illuminate\Support\Facades\DB;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;
class LogService
{

    public function RequestLog($arr){  //记录请求日志
        self::CheckTableName();
        $table_name='zz_request_log_' . date('ym');
        $response_data =self::JsonEncode($arr['response_data']);
        $header_data = self::JsonEncode($arr['request_header']);
        $post_data = self::JsonEncode($arr['post_data']);
        $get_data = json_encode($arr['get_data'], JSON_UNESCAPED_UNICODE);
        $milliseconds = round(microtime(true) * 1000);
        $date = date("Y-m-d H:i:s", $milliseconds / 1000);
        $formatted_date = sprintf("%s.%03d", $date, $milliseconds % 1000);

        $i=DB::insert("insert into ".$table_name." (request_ip, response_data,header_data,post_data,get_data,request_url,create_time,update_time)
        values (?,?,?,?,?,?,?,?)",[$arr['ip'],$response_data,$header_data,$post_data,$get_data,$arr['request_url'],$formatted_date,$formatted_date]);
    }
    public static function CheckTableName(){   // 查看日志表是否存在，每月一个表，如果没有就创建
        $table_name='zz_request_log_' . date('ym');
        if(Schema::hasTable($table_name)){

        }else{
            Schema::create($table_name, function (Blueprint $table) {
                $table->id();
                $table->string('request_ip', 15);
                $table->text('post_data');
                $table->text('get_data');
                $table->text('header_data');
                $table->text('response_data')->nullable();
                $table->string('request_url', 300);
                $table->string('create_time', 30);
                $table->string('update_time', 30);
                $table->timestamps();
            });
        }
    }
    public static function JsonEncode($data){  //格式化数据，转json
        $post_data =$data;
        foreach ($post_data as $key => $post_datum) {
            $str_len = mb_strlen(json_encode($post_datum, JSON_UNESCAPED_UNICODE));
            $str_size = $str_len / 1024;
            if ($str_size > 10) {
                $post_data["$key"] = 'Row size too large';
            }
        }
        $post_data = json_encode($post_data, JSON_UNESCAPED_UNICODE);
        $str_len = mb_strlen($post_data);
        $str_size = $str_len / 1024;
        if ($str_size > 40) $post_data = '{"data":"Row size too large"}';
        return $post_data;
    }
}