209 lines
7.5 KiB
PHP
209 lines
7.5 KiB
PHP
<?php
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namespace app\api\logic\tcm;
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/**
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* 三餐推荐硬性规则校验（午餐高蛋白、淀粉不重复、禁高 GI）
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*/
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class DietMealValidator
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{
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/** 淀粉类关键词 → 分组（同组即视为同一种淀粉） */
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private const STARCH_GROUPS = [
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'porridge' => ['粥', '稀饭', '玉米碴', '棒子面', '高粱', '糊糊'],
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'rice' => ['米饭', '糙米饭', '二米饭', '杂豆饭', '红米饭', '饭'],
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'noodle' => ['挂面', '面条', '手擀面', '拉面', '刀削面'],
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'bun' => ['馒头', '窝头', '贴饼', '玉米面饼', '杂面馒头', '杂面窝头', '杂面', '饼'],
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'potato' => ['红薯', '地瓜', '番薯', '土豆', '洋芋', '芋头'],
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'pumpkin' => ['南瓜'],
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];
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/** 蛋白质关键词（出现即计 1，同词不重复计） */
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private const PROTEIN_KEYWORDS = [
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'鲫鱼', '鲤鱼', '小鱼', '清蒸鱼', '炖鱼', '鱼',
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'虾', '蟹',
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'鸡肉', '鸡胸', '鸡', '鸭肉', '鸭',
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'牛肉', '羊肉', '猪肉', '瘦肉', '肉',
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'鸡蛋', '茶叶蛋', '蛋羹', '炒蛋', '蛋',
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'豆腐脑', '豆干', '豆腐', '豆角', '芸豆', '扁豆',
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];
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/** 高 GI 禁用（出现在任一餐即违规） */
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private const FORBIDDEN_HIGH_GI = [
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'白馒头', '馒头', '油条', '粘豆包', '糯米饭', '西瓜', '荔枝', '龙眼',
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'含糖饮料', '可乐', '汽水', '糖糕', '糕点', '白稀饭', '稀饭',
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];
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/**
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* 校验并规范化三餐方案；不通过则 ok=false
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*
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* @param array{breakfast?:string,lunch?:string,dinner?:string,tips?:string,avoid?:array} $plan
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* @return array{ok:bool,errors:list<string>,plan:array,meta:array}
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*/
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public static function validateAndNormalize(array $plan): array
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{
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$breakfast = trim((string) ($plan['breakfast'] ?? ''));
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$lunch = trim((string) ($plan['lunch'] ?? ''));
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$dinner = trim((string) ($plan['dinner'] ?? ''));
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$errors = [];
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if ($breakfast === '' || $lunch === '' || $dinner === '') {
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$errors[] = '三餐内容不完整';
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}
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foreach (self::FORBIDDEN_HIGH_GI as $bad) {
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foreach (['breakfast' => $breakfast, 'lunch' => $lunch, 'dinner' => $dinner] as $mealName => $text) {
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if ($text !== '' && mb_strpos($text, $bad) !== false) {
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// 「杂面馒头」含馒头但可接受；纯「馒头」才禁
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if ($bad === '馒头' && (mb_strpos($text, '杂面') !== false || mb_strpos($text, '玉米面') !== false)) {
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continue;
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}
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if ($bad === '稀饭' && mb_strpos($text, '玉米') !== false) {
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continue;
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}
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$errors[] = "{$mealName}含高 GI 食物「{$bad}」";
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}
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}
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}
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$bfStarch = self::detectStarchGroups($breakfast);
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$luStarch = self::detectStarchGroups($lunch);
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$diStarch = self::detectStarchGroups($dinner);
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if (count($bfStarch) > 1) {
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$errors[] = '早餐淀粉种类超过 1 种';
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}
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if (count($luStarch) > 1) {
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$errors[] = '午餐淀粉种类超过 1 种';
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}
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if (count($diStarch) > 1) {
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$errors[] = '晚餐淀粉种类超过 1 种';
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}
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$dayGroups = array_values(array_filter([
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$bfStarch[0] ?? null,
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$luStarch[0] ?? null,
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$diStarch[0] ?? null,
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]));
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if (count($dayGroups) !== count(array_unique($dayGroups))) {
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$errors[] = '早中晚淀粉种类重复';
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}
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$bfProtein = self::countProteinHits($breakfast);
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$luProtein = self::countProteinHits($lunch);
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$diProtein = self::countProteinHits($dinner);
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if ($luProtein < 2) {
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$errors[] = '午餐高蛋白不足（至少 2 样：鱼/肉/蛋/豆腐）';
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}
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if ($luProtein < $bfProtein || $luProtein < $diProtein) {
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$errors[] = '午餐蛋白质应多于早、晚餐';
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}
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$avoid = is_array($plan['avoid'] ?? null) ? $plan['avoid'] : [];
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if (count($avoid) < 3) {
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$avoid = array_values(array_unique(array_merge($avoid, [
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'白面馒头', '油条', '粘豆包', '西瓜', '含糖饮料',
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])));
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$avoid = array_slice($avoid, 0, 5);
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}
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$tips = trim((string) ($plan['tips'] ?? ''));
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if ($tips === '') {
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$tips = '中午鱼蛋豆肉吃足；早中晚各一种主食，别重复。';
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}
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$normalized = [
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'breakfast' => $breakfast,
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'lunch' => $lunch,
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'dinner' => $dinner,
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'tips' => $tips,
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'avoid' => $avoid,
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];
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$meta = [
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'protein' => ['breakfast' => $bfProtein, 'lunch' => $luProtein, 'dinner' => $diProtein],
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'starch' => ['breakfast' => $bfStarch[0] ?? '', 'lunch' => $luStarch[0] ?? '', 'dinner' => $diStarch[0] ?? ''],
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'rules_ok' => empty($errors),
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];
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return [
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'ok' => empty($errors),
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'errors' => $errors,
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'plan' => $normalized,
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'meta' => $meta,
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];
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}
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/**
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* @return list<string> 淀粉分组 id，按命中顺序
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*/
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public static function detectStarchGroups(string $text): array
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{
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if ($text === '') {
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return [];
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}
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$found = [];
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foreach (self::STARCH_GROUPS as $groupId => $keywords) {
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foreach ($keywords as $kw) {
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if (mb_strpos($text, $kw) !== false) {
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$found[$groupId] = true;
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break;
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}
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}
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}
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return array_keys($found);
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}
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public static function countProteinHits(string $text): int
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{
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if ($text === '') {
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return 0;
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}
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$count = 0;
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$used = [];
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foreach (self::PROTEIN_KEYWORDS as $kw) {
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if (isset($used[$kw])) {
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continue;
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}
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if (mb_strpos($text, $kw) !== false) {
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// 「鱼」已命中则不再计「小鱼」「鲫鱼」
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$skip = false;
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foreach ($used as $u) {
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if (mb_strpos($u, $kw) !== false || mb_strpos($kw, $u) !== false) {
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$skip = true;
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break;
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}
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}
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if ($skip) {
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continue;
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}
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$used[$kw] = true;
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$count++;
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}
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}
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return $count;
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}
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public static function metaSummary(array $meta): string
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{
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$p = $meta['protein'] ?? [];
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$s = $meta['starch'] ?? [];
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$starchLabels = [
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'porridge' => '粥', 'rice' => '饭', 'noodle' => '面', 'bun' => '饼/窝头',
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'potato' => '薯', 'pumpkin' => '南瓜',
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];
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$sBf = $starchLabels[$s['breakfast'] ?? ''] ?? ($s['breakfast'] ?: '—');
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$sLu = $starchLabels[$s['lunch'] ?? ''] ?? ($s['lunch'] ?: '—');
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$sDi = $starchLabels[$s['dinner'] ?? ''] ?? ($s['dinner'] ?: '—');
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return sprintf(
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'午餐 %d 样蛋白（早%d/晚%d）；淀粉：早%s·午%s·晚%s',
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(int) ($p['lunch'] ?? 0),
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(int) ($p['breakfast'] ?? 0),
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(int) ($p['dinner'] ?? 0),
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$sBf,
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$sLu,
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$sDi
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);
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}
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}
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