113 lines
3.4 KiB
PHP
113 lines
3.4 KiB
PHP
<?php
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namespace catchAdmin\cms\support;
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use catchAdmin\cms\model\ModelAuxiliaryTable;
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use catchAdmin\cms\model\Models;
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use catcher\exceptions\FailedException;
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class AuxiliaryTable
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{
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protected $suffixes = [
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'first', 'second', 'third', 'fourth', 'fifth',
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'sixth', 'seventh', 'eighth', 'ninth', 'tenth'
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];
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protected $mainTableId = 'main_id';
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protected $auxiliaryTableName = null;
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/**
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* 创建副表
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*
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* @time 2021年03月08日
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* @param int $modelId
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* @throws \think\db\exception\DataNotFoundException
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* @throws \think\db\exception\DbException
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* @throws \think\db\exception\ModelNotFoundException
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* @return string
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*/
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public function create(int $modelId): string
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{
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try {
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// 查询主表名称
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$tableName = Models::where('id', $modelId)->value('table_name');
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// 查询副表
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$auxiliaryTables = ModelAuxiliaryTable::where('model_id', $modelId)->select();
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// 目前最多允许创建 10 个副表
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if ($auxiliaryTables->count() > count($this->suffixes)) {
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throw new FailedException('最多只允许创建 ' . count($this->suffixes) . ' 个副表');
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}
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$defaultUsed = ModelAuxiliaryTable::NOT_USE;
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// 如果模型还没有关联的副表
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// 默认创建副表
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if (!$auxiliaryTables->count()) {
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$defaultUsed = ModelAuxiliaryTable::USED;
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$this->auxiliaryTableName = $this->getName($tableName, array_shift($this->suffixes));
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} else {
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$existSuffixes = [];
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$auxiliaryTables->each(function ($table) use (&$existSuffixes) {
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$name = explode('_', $table->name);
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$existSuffixes[] = array_pop($name);
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});
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$notUsed = array_diff($this->suffixes, $existSuffixes);
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$this->auxiliaryTableName = $this->getName($tableName, array_shift($notUsed));
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}
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if (Table::create($this->auxiliaryTableName)) {
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Table::addColumn($this->auxiliaryTableName, (new TableColumn([
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'type' => 'int',
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'name' => $this->mainTableId,
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'length' => 10,
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'title' => '主表数据的ID',
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'default_value' => 0,
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]))->get());
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}
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app(ModelAuxiliaryTable::class)->storeBy([
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'model_id' => $modelId,
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'table_name' => $this->auxiliaryTableName,
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'used' => $defaultUsed,
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]);
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return $this->auxiliaryTableName;
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} catch (\Exception $exception) {
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throw new FailedException($exception->getMessage());
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}
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}
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/**
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* 获取默认使用的副表
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*
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* @time 2021年03月08日
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* @param int $modelId
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* @return mixed
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*/
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public function getUsedAuxiliaryTable(int $modelId)
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{
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$auxiliaryTable = app(ModelAuxiliaryTable::class)->getUsed($modelId);
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return $auxiliaryTable ? $auxiliaryTable->table_name : null;
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}
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/**
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* 获取副表名称
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*
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* @time 2021年03月08日
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* @param string $mainTable
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* @param string $suffix
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* @return string
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*/
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protected function getName(string $mainTable, string $suffix): string
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{
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return $mainTable . '_relate_' . $suffix;
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}
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} |