<?php
namespace EdgeManager\EDataCapture;

class EDataCapture {
    // 我不主张在构造函数内实现类型检查，因为在请求过于密集、记录较多时会严重影响性能
    // 请使用SCADA系统的开发人员自觉遵守文档内规范
    function __construct(
        protected $dbconn,
        protected $post = NULL,
        protected $get = NULL
    ) {}

    private function set_data() {
        foreach (array_chunk($this -> post -> param, 6507524, true) as $chunk) {
            $sql_cmd[] = [sprintf(
                "INSERT INTO hf_mes_scada_data_capture_node_data_%s",
                $chunk[0] -> working_subclass
            )];
            foreach ($chunk as $row) {
                $sql_cmd[] = sprintf(
                    "(code, v_%s, device_code, batch) VALUES('%s', %s, %s, %s)",
                    $row -> type,
                    $row -> code,
                    $row -> value,
                    $row -> device_code ?? NULL,
                    $row -> batch ?? NULL
                );
            }
        return pg_query($this -> dbconn, implode(' ', $sql_cmd));
        }
    }
}