manage/lib/Page.php

<?php namespace Manage\Lib;
use Dever;
# 通用页面
class Page extends Auth
{
    protected $db;
    protected $key;
    protected $id = false;
    protected $menu = array();
    protected $config = array();
    protected $field = array();
    public $info = array();
    public function __construct($key = '', $load = '', $id = false)
    {
        parent::__construct();
        $this->key = $key;
        if ($id == -1) {
            $this->id = false;
        } else {
            $this->id = $id ? $id : Dever::input('id');
        }
        if (!$load) {
            $load = Dever::input('load');
        }
        $load = explode('/', ltrim($load, '/'));
        if (isset($load[2])) {
            $app = $load[1];
            $table = $load[2];
        } else {
            $app = $load[0];
            $table = $load[1];
        }
        $parent = Dever::db('menu')->find(array('key' => $app));
        if ($parent) {
            $this->menu = Dever::db('menu')->find(array('parent_id' => $parent['id'], 'key' => $table));
            if ($this->menu) {
                $this->checkMenu($this->menu['id'], false);
                $app = $this->menu['app'];
            }  else {
                Dever::error('菜单无效');
            }
        }
        $set = Dever::project($app);
        $manage = $set['path'] . 'table/manage/'.$table.'.php';
        if (is_file($manage)) {
            $manage = include $manage;
            if ($source = Dever::isset($manage, 'source')) {
                if (strpos($source, '/')) {
                    $source = explode('/', $source);
                    $app = $source[0];
                    $table = $source[1];
                } else {
                    $table = $source;
                }
            }
            if ($key) {
                $this->config = $manage[$key] ?? array();
            }
        }
        $this->db = Dever::db($table, $app);
        $this->db->config['manage'] = $manage;
        if ($this->id) {
            $this->info = $this->db->find($this->id);
        }
    }

    public function setting($key, &$data, $struct = true, $type = 'show', $disable = false)
    {
        if (empty($this->config[$key]) && $struct && isset($this->db->config['struct']) && $this->db->config['struct']) {
            $this->config[$key] = $this->db->config['struct'];
        }
        if (empty($this->config[$key])) {
            return;
        }
        $setting = $this->config[$key];
        if (is_string($setting)) {
            $setting = explode(',', $setting);
        }
        $field = Dever::input('field');
        return $this->setData($setting, $data, $field, $type, $disable);
    }

    # 获取某个数据的具体展示值
    public function getValue($key, $value, $data, $field = array())
    {
        if ($show = Dever::isset($field, 'show')) {
            $value = $this->getShow($show, $data);
        } elseif ($value && isset($this->db->config['struct'][$key]['value']) && $this->db->config['struct'][$key]['value']) {
            $value = $this->db->value($key, $value);
        } elseif ($key == 'cdate') {
            if ($value) {
                $value = date('Y-m-d H:i', $value);
            } else {
                $value = '-';
            }
        }
        return $value;
    }

    # 获取关联数据
    public function getOther($key, $set, $data, $method = 'fetchAll')
    {
        $where = array();
        foreach ($set as $k => $v) {
            if (isset($data[$v])) {
                $where[$k] = $data[$v];
            }
        }
        if ($where) {
            return Dever::db($key)->select($where)->$method();
        }
        return array();
    }

    public function getShow($show, $data)
    {
        if (strpos($show, '{') !== false && strpos($show, '{"') === false) {
            $func = function ($r) use ($data) {
                if (isset($data[$r[1]])) {
                    return $data[$r[1]];
                }
                return false;
            };
            $show = preg_replace_callback('/{(.*?)}/', $func, $show);
        }
        $eval = '$show = ' . $show . ';';
        eval($eval);
        return $show;
    }

    # 获取菜单标题
    public function getTitle()
    {
        return $this->menu['name'];
    }

    # 获取左侧分栏
    protected function column(&$data, $name = '左侧分栏')
    {
        $data['column'] = false;
        if (isset($this->config['column'])) {
            $data['column'] = $this->config['column'];
            if (isset($this->config['column']['add'])) {
                $data['column']['add'] = array('name' => $this->config['column']['add'], 'func' => $this->getFunc('column_add', $name . '-' . $this->config['column']['add'], 101));
            }
            if (isset($this->config['column']['edit'])) {
                $data['column']['edit'] = array('name' => '编辑', 'func' => $this->getFunc('column_edit', $name . '-编辑', 102));
            }
            if (isset($this->config['column']['delete'])) {
                $data['column']['delete'] = array('name' => '删除', 'func' => $this->getFunc('column_delete', $name . '-删除', 103));
            }
            $data['column']['data'] = Dever::call($this->config['column']['data']);
            $data['height'] = '100%';
        }
    }

    # 通用的规则验证 一般为更新数据时使用
    protected function checkRules($set, $data)
    {
        if ($set['rules']) {
            foreach ($set['rules'] as $k => $v) {
                if (isset($v['required']) && $v['required'] && !$data && $data !== 0) {
                    Dever::error($v['message']);
                }
                if ($data || $data === 0) {
                    if (isset($v['pattern']) && $v['pattern'] && !preg_match('/' . $v['pattern'] . '/', $data)) {
                        Dever::error($v['message']);
                    }
                    if (isset($v['type']) && $v['type']) {
                        if ($v['type'] == 'number' && !is_numeric($data)) {
                            Dever::error($v['message']);
                        } elseif ($v['type'] == 'array' && !is_array($data)) {
                            Dever::error($v['message']);
                        } elseif ($v['type'] == 'integer' && !is_int($data)) {
                            Dever::error($v['message']);
                        } elseif ($v['type'] == 'float' && !is_float($data)) {
                            Dever::error($v['message']);
                        } elseif ($v['type'] == 'string' && !is_string($data)) {
                            Dever::error($v['message']);
                        } elseif ($v['type'] == 'boolean' && !is_bool($data)) {
                            Dever::error($v['message']);
                        } elseif ($v['type'] == 'url' && !filter_var($data, FILTER_VALIDATE_URL)) {
                            Dever::error($v['message']);
                        } elseif ($v['type'] == 'email' && !filter_var($data, FILTER_VALIDATE_EMAIL)) {
                            Dever::error($v['message']);
                        } elseif ($v['type'] == 'enum' && isset($v['enum']) && !in_array($data, $v['enum'])) {
                            Dever::error($v['message']);
                        }
                    }
                    if (isset($v['len']) && $v['len'] && strlen($data) > $v['len']) {
                        Dever::error($v['message']);
                    }
                    if (isset($v['min']) && $v['min'] && strlen($data) < $v['min']) {
                        Dever::error($v['message']);
                    }
                    if (isset($v['max']) && $v['max'] && strlen($data) > $v['max']) {
                        Dever::error($v['message']);
                    }
                }
            }
        }
    }

    private function setData($setting, &$data, $field, $type, $disable)
    {
        $result = array();
        foreach ($setting as $k => $v) {
            if (!is_array($v)) {
                if (is_numeric($k)) {
                    $k = $v;
                    $v = $type;
                }
                if ($k == 'id') {
                    $v = array('name' => 'ID', 'type' => $v);
                } elseif ($k == 'cdate') {
                    $v = array('name' => '创建时间', 'type' => $v);
                } elseif(isset($this->db->config['struct'][$k])) {
                    $v = array('name' => $this->db->config['struct'][$k]['name'], 'type' => $v);
                }
            } else {
                if (isset($v['only'])) {
                    if ($v['only'] == 'edit' && !$this->id) {
                        continue;
                    } elseif ($v['only'] == 'add' && $this->id) {
                        continue;
                    }
                }
            }
            if ($field) {
                if (is_array($field)) {
                    if (isset($field['field']) && !Dever::check($field['field'], $k)) {
                        continue;
                    }
                    if (isset($field[$k])) {
                        $v['default'] = $field[$k];
                        $v['type'] = 'hidden'; 
                    }
                } elseif (!Dever::check($field, $k)) {
                    continue;
                }
            }
            $info = $this->setField($data, $k, $v, $field, $type, $disable);
            if ($info) {
                $result[] = $info;
            }
        }
        return $result;
    }

    private function setField(&$data, $key, $value = array(), $field, $type = 'show', $disable = false)
    {
        $value['key'] = $key;
        $this->setName($value);
        # 对每个字段进行权限设置
        if (isset($value['func']) && $value['func']) {
            $func = $this->getFunc('field_' . $value['key'], '字段-' . $value['name'], 200);
            if (!$func) {
                return false;
            }
        }
        if (strpos($key, '/') && $this->key == 'update') {
            $this->setType($value, 'array');
            $this->setShow($value);
            $value['value'] = $this->getOther($key, $value['where'], $this->info);
            $update = new \Manage\Api\Page\Update($key, -1);
            $value['content'] = $update->get();
            $data[] = $value;
            return $value['name'];
        } else {
            $this->setType($value, $type);
            $this->setDisable($value, $disable);
            if ($this->key == 'update') {
                # 一般为更新页面需要的参数
                $this->setShow($value);
                $this->setRules($value);
            }
            if ($type == 'show') {
                $in = array('switch', 'select', 'input');
                if (in_array($value['type'], $in)) {
                    $value['func'] = $this->getFunc('list_edit_' . $value['key'], '列表更新-' . $value['name'], 104);
                    if (!$value['func']) {
                        $value['type'] = 'show';
                        if (isset($value['show'])) {
                            unset($value['show']);
                        }
                    }
                }
                if (isset($value['child'])) {
                    $child = array();
                    $this->setData($value['child'], $child, $field, $type, $disable);
                    $value['child'] = $child;
                } else {
                    $this->field[$key] = $value;
                }
            }
            $this->setForm($value);
            $data[] = $value;
            return $value['name'];
        }
    }

    private function setShow(&$value)
    {
        if ($value['type'] == 'hidden') {
            $value['show'] = false;
        } elseif (empty($value['show'])) {
            $value['show'] = true;
        }
    }

    private function setName(&$value)
    {
        if (empty($value['name']) && isset($this->db->config['struct'][$value['key']])) {
            $value['name'] = $this->db->config['struct'][$value['key']]['name'];
        }
        if (empty($value['placeholder'])) {
            $value['placeholder'] = $value['name'];
        }
    }

    private function setType(&$value, $type)
    {
        if (empty($value['type'])) {
            $value['type'] = $type;
        }
        if (strpos($value['type'], '(')) {
            $value['type'] = $type;
        }
    }

    private function setDisable(&$value, $disable)
    {
        if (isset($value['disable'])) {
            $disable = $value['disable'];
        }
        $value['disable'] = $disable;
    }

    private function setForm(&$value)
    {
        $value['value'] = Dever::input('search')[$value['key']] ?? '';
        if (!$value['value']) {
            if (isset($value['default'])) {
                $value['value'] = $value['default'];
            } elseif ($this->key == 'update' && isset($this->db->config['struct'][$value['key']]['default'])) {
                $value['value'] = $this->db->config['struct'][$value['key']]['default'];
            }
        }
        if ($option = $this->db->value($value['key'])) {
            if ($value['type'] == 'checkbox') {
                $value['value'] = $value['value'] ? explode(',', $value['value']) : array();
            }
            $value['option'] = $option;
            if ($value['type'] == 'text') {
                $value['type'] = 'select';
            }
        }
    }

    private function setRules(&$value)
    {
        if (isset($value['rules']) && $value['rules'] && is_array($value['rules'])) {
            foreach ($value['rules'] as $k => $v) {
                if (isset($v['only'])) {
                    if ($v['only'] == 'edit' && !$this->id) {
                        unset($value['rules'][$k]);
                        break;
                    } elseif ($v['only'] == 'add' && $this->id) {
                        unset($value['rules'][$k]);
                        break;
                    }
                }
            }
            if (!isset($value['rules'][0])) {
                $value['rules'] = array_values($value['rules']);
            }
        }
    }
}