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2026-05-29 09:28:38 +08:00
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commit 94e787ae80
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server/app/api/logic/tcm/DailyDietAiLogic.php
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<?php
namespace app\api\logic\tcm;
use app\common\model\tcm\BloodRecord;
use app\common\model\tcm\Diagnosis;
use app\common\service\AiChatService;
use think\facade\Cache;
/**
* 日常护理 - AI 饮食建议（基于霍大夫升糖指数）
*/
class DailyDietAiLogic
{
private const CACHE_TTL = 86400;
/** 单次 AI 请求超时（秒），避免接口长时间挂起 */
private const AI_TIMEOUT_SEC = 12;
/** 流式 AI 请求超时（秒） */
private const AI_STREAM_TIMEOUT_SEC = 18;
/**
* 今日推荐饮食（按诊单+日期缓存）
*
* @return array{ok:bool,error?:string,data?:array}
*/
public static function getDailyRecommend(int $diagnosisId, bool $refresh = false): array
{
if ($diagnosisId <= 0) {
return ['ok' => false, 'error' => '缺少就诊卡'];
}
$cacheKey = self::recommendCacheKey($diagnosisId);
if (!$refresh) {
$cached = Cache::get($cacheKey);
if (is_array($cached) && !empty($cached['breakfast'])) {
$cached['cached'] = true;
return ['ok' => true, 'data' => $cached];
}
}
$context = self::buildPatientContext($diagnosisId);
if (!$context['ok']) {
return ['ok' => false, 'error' => $context['error'] ?? '获取档案失败'];
}
$data = null;
if (AiChatService::isEnabled()) {
$raw = self::aiDailyRecommend($context['data'], $refresh);
if (is_array($raw) && !empty($raw['breakfast'])) {
$data = self::finalizeAiRecommendPlan($raw);
}
}
if (!$data) {
$tplIdx = self::resolveFallbackTemplateIndex($diagnosisId, $refresh);
$data = GiKnowledge::fallbackDailyMeals($diagnosisId, $tplIdx);
$data['disclaimer'] = '按升糖指数与农家饭硬性规则推荐（午餐≥2样蛋白、淀粉不重复）。';
}
$data['date'] = date('Y-m-d');
$data['cached'] = false;
Cache::set($cacheKey, $data, self::CACHE_TTL);
return ['ok' => true, 'data' => $data];
}
/**
* 询问某食物能不能吃
*
* @return array{ok:bool,error?:string,data?:array}
*/
public static function askFood(int $diagnosisId, string $question): array
{
$question = trim($question);
if ($question === '') {
return ['ok' => false, 'error' => '请输入想咨询的食物'];
}
if (mb_strlen($question) > 80) {
return ['ok' => false, 'error' => '问题过长，请简短描述'];
}
$cacheKey = 'daily_diet_ai_ask:' . md5($diagnosisId . ':' . mb_strtolower($question));
$cached = Cache::get($cacheKey);
if (is_array($cached) && !empty($cached['advice'])) {
$cached['cached'] = true;
return ['ok' => true, 'data' => $cached];
}
$context = self::buildPatientContext($diagnosisId);
$data = null;
if (AiChatService::isEnabled()) {
$data = self::aiAskFood($context['data'] ?? [], $question);
}
if (!$data) {
$data = GiKnowledge::fallbackAsk($question);
}
$data['question'] = $question;
$data['disclaimer'] = '仅供参考，不能替代医嘱。';
$data['cached'] = false;
Cache::set($cacheKey, $data, 3600);
return ['ok' => true, 'data' => $data];
}
/**
* 流式：今日饮食推荐（SSE delta + done）
*
* @param callable(string, array<string, mixed>):void $emit event: delta|done|error
*/
public static function streamDailyRecommend(int $diagnosisId, bool $refresh, callable $emit): void
{
if ($diagnosisId <= 0) {
$emit('error', ['message' => '缺少就诊卡']);
return;
}
$cacheKey = self::recommendCacheKey($diagnosisId);
if (!$refresh) {
$cached = Cache::get($cacheKey);
if (is_array($cached) && !empty($cached['breakfast'])) {
$cached['cached'] = true;
$emit('done', $cached);
return;
}
}
$context = self::buildPatientContext($diagnosisId);
if (!$context['ok']) {
$emit('error', ['message' => $context['error'] ?? '获取档案失败']);
return;
}
$data = null;
$fullText = '';
if (AiChatService::isEnabled()) {
[$system, $user] = self::buildRecommendStreamPrompts($context['data'], $refresh);
$streamRes = AiChatService::streamChat([
['role' => 'system', 'content' => $system],
['role' => 'user', 'content' => $user],
], static function (string $delta) use (&$fullText, $emit): void {
$fullText .= $delta;
$emit('delta', ['text' => $delta, 'buffer' => $fullText]);
}, [
'temperature' => $refresh ? 0.78 : 0.35,
'max_tokens' => 400,
'timeout' => self::AI_STREAM_TIMEOUT_SEC,
]);
if ($streamRes['ok'] && $fullText !== '') {
$parsed = self::parseRecommendPlainText($fullText);
if ($parsed && !empty($parsed['breakfast'])) {
$data = self::finalizeAiRecommendPlan($parsed);
}
}
}
if (!$data) {
$tplIdx = self::resolveFallbackTemplateIndex($diagnosisId, $refresh);
$data = GiKnowledge::fallbackDailyMeals($diagnosisId, $tplIdx);
$data['source'] = 'rule';
$data['disclaimer'] = '按升糖指数与农家饭硬性规则推荐（午餐≥2样蛋白、淀粉不重复）。';
}
$data['date'] = date('Y-m-d');
$data['cached'] = false;
Cache::set($cacheKey, $data, self::CACHE_TTL);
$emit('done', $data);
}
/**
* 流式：能不能吃（SSE delta + done）
*
* @param callable(string, array<string, mixed>):void $emit event: delta|done|error
*/
public static function streamAskFood(int $diagnosisId, string $question, callable $emit): void
{
$question = trim($question);
if ($question === '') {
$emit('error', ['message' => '请输入想咨询的食物']);
return;
}
if (mb_strlen($question) > 80) {
$emit('error', ['message' => '问题过长，请简短描述']);
return;
}
$cacheKey = 'daily_diet_ai_ask:' . md5($diagnosisId . ':' . mb_strtolower($question));
$cached = Cache::get($cacheKey);
if (is_array($cached) && !empty($cached['advice'])) {
$cached['cached'] = true;
$emit('done', $cached);
return;
}
$context = self::buildPatientContext($diagnosisId);
$data = null;
$fullText = '';
if (AiChatService::isEnabled()) {
[$system, $user] = self::buildAskStreamPrompts($context['data'] ?? [], $question);
$streamRes = AiChatService::streamChat([
['role' => 'system', 'content' => $system],
['role' => 'user', 'content' => $user],
], static function (string $delta) use (&$fullText, $emit): void {
$fullText .= $delta;
$emit('delta', ['text' => $delta, 'advice' => $fullText]);
}, [
'temperature' => 0.3,
'max_tokens' => 200,
'timeout' => self::AI_STREAM_TIMEOUT_SEC,
]);
if ($streamRes['ok'] && trim($fullText) !== '') {
$data = self::finalizeAskFromText($context['data'] ?? [], $question, trim($fullText));
}
}
if (!$data) {
$data = GiKnowledge::fallbackAsk($question);
}
$data['question'] = $question;
$data['disclaimer'] = '仅供参考，不能替代医嘱。';
$data['cached'] = false;
Cache::set($cacheKey, $data, 3600);
$emit('done', $data);
}
private static function recommendCacheKey(int $diagnosisId): string
{
return 'daily_diet_ai_rec_v2:' . $diagnosisId . ':' . date('Y-m-d');
}
/** 换一换时轮换规则模板下标（与 GiKnowledge::$mealTemplates 数量一致） */
private static function resolveFallbackTemplateIndex(int $diagnosisId, bool $refresh): int
{
$count = 6;
$cacheKey = 'daily_diet_ai_tpl_idx:' . $diagnosisId . ':' . date('Y-m-d');
$defaultIdx = abs(crc32(date('Y-m-d') . ':' . $diagnosisId)) % $count;
if (!$refresh) {
Cache::set($cacheKey, $defaultIdx, self::CACHE_TTL);
return $defaultIdx;
}
$last = Cache::get($cacheKey);
if ($last === null || $last === false) {
$last = $defaultIdx;
}
$idx = (((int) $last) + 1) % $count;
Cache::set($cacheKey, $idx, self::CACHE_TTL);
return $idx;
}
/**
* @return array{ok:bool,error?:string,data?:array}
*/
private static function buildPatientContext(int $diagnosisId): array
{
$diagnosis = Diagnosis::where('id', $diagnosisId)->where('delete_time', null)->find();
if (!$diagnosis) {
return ['ok' => false, 'error' => '就诊卡不存在'];
}
$row = $diagnosis->toArray();
$gender = (int) ($row['gender'] ?? 0);
$genderText = $gender === 1 ? '男' : ($gender === 0 ? '女' : '未知');
$since = strtotime('-7 days 00:00:00');
$bloodList = BloodRecord::where('diagnosis_id', $diagnosisId)
->where('record_date', '>=', $since)
->where('delete_time', null)
->order('record_date', 'desc')
->limit(7)
->field('record_date,fasting_blood_sugar,postprandial_blood_sugar,other_blood_sugar')
->select()
->toArray();
$bloodSummary = [];
foreach ($bloodList as $b) {
$date = !empty($b['record_date']) ? date('Y-m-d', (int) $b['record_date']) : '';
$parts = [];
if ($b['fasting_blood_sugar'] !== null && $b['fasting_blood_sugar'] !== '') {
$parts[] = '空腹' . $b['fasting_blood_sugar'];
}
if ($b['postprandial_blood_sugar'] !== null && $b['postprandial_blood_sugar'] !== '') {
$parts[] = '餐后' . $b['postprandial_blood_sugar'];
}
if ($b['other_blood_sugar'] !== null && $b['other_blood_sugar'] !== '') {
$parts[] = '其他' . $b['other_blood_sugar'];
}
if ($date && $parts) {
$bloodSummary[] = $date . '：' . implode('，', $parts) . ' mmol/L';
}
}
return [
'ok' => true,
'data' => [
'patient_name' => (string) ($row['patient_name'] ?? ''),
'age' => (int) ($row['age'] ?? 0),
'gender_text' => $genderText,
'blood_recent' => $bloodSummary,
'today' => date('Y-m-d'),
],
];
}
/**
* @return array{0:string,1:string}
*/
private static function buildRecommendPrompts(array $context, bool $refresh = false): array
{
$bloodLine = empty($context['blood_recent'])
? '近7日无血糖记录'
: implode('；', $context['blood_recent']);
$system = <<<SYS
你是村里懂糖尿病饮食的大夫助手，依据「霍大夫升糖指数（GI）」给农村老人推荐一日三餐。输出必须严格可执行。
硬性规则（违反即不合格）：
1. 午餐至少 2 样蛋白质（鱼/鸡鸭/瘦肉/蛋/豆腐/豆干），且午餐蛋白种类数 > 早餐 > 晚餐。
2. 淀粉定义：粥/饭/面/饼/窝头/薯/南瓜。每餐最多 1 种淀粉；早中晚 3 种淀粉必须互不相同。
3. 严禁：白馒头、油条、粘豆包、糯米饭、西瓜、含糖饮料、白稀饭（杂面窝头、玉米碴粥除外）。
4. 低 GI 优先；农村家常；禁止轻食/沙拉/藜麦等词。
5. lunch 字段写法：蛋白菜放前面，淀粉（如有）放最后且注明「小半碗/一个」。
6. 只输出 JSON：
{"breakfast":"...","lunch":"...","dinner":"...","tips":"...","avoid":["...","..."]}
SYS;
$user = sprintf(
"患者：%s，%s，%s岁。日期：%s。近7日血糖：%s。\n\nGI知识：\n%s\n\n农家饭参考：\n%s\n\n请输出严格符合硬性规则的三餐 JSON。",
$context['patient_name'] ?: '大爷大妈',
$context['gender_text'] ?? '',
$context['age'] ?? 0,
$context['today'] ?? date('Y-m-d'),
$bloodLine,
GiKnowledge::summaryText(),
GiKnowledge::ruralMealHints()
);
if ($refresh) {
$user .= "\n\n用户点了「换一换」，请给一套完全不同的农家三餐，编号" . substr(md5((string) microtime(true)), 0, 8) . '。';
}
return [$system, $user];
}
/**
* 流式三餐推荐：纯文本格式，便于逐字输出
*
* @return array{0:string,1:string}
*/
private static function buildRecommendStreamPrompts(array $context, bool $refresh = false): array
{
$bloodLine = empty($context['blood_recent'])
? '近7日无血糖记录'
: implode('；', $context['blood_recent']);
$system = <<<SYS
你是村里懂糖尿病饮食的大夫助手，依据「霍大夫升糖指数（GI）」给农村老人推荐一日三餐。
硬性规则：
1. 午餐至少 2 样蛋白质（鱼/鸡鸭/瘦肉/蛋/豆腐/豆干），且午餐蛋白 > 早餐 > 晚餐。
2. 淀粉（粥/饭/面/饼/窝头/薯/南瓜）每餐最多 1 种，早中晚互不相同。
3. 严禁白馒头、油条、粘豆包、糯米饭、西瓜、含糖饮料。
4. 农村家常饭，禁止轻食/沙拉/藜麦。
严格按下面 5 行格式输出，不要 JSON、不要 markdown、不要多余解释：
早餐：（具体食物）
午餐：（具体食物，蛋白放前）
晚餐：（具体食物）
提示：（一句土话提醒）
少碰：（用顿号隔开，如：白馒头、油条）
SYS;
$user = sprintf(
"患者：%s，%s，%s岁。日期：%s。近7日血糖：%s。\n\nGI摘要：\n%s",
$context['patient_name'] ?: '大爷大妈',
$context['gender_text'] ?? '',
$context['age'] ?? 0,
$context['today'] ?? date('Y-m-d'),
$bloodLine,
mb_substr(GiKnowledge::summaryText(), 0, 380)
);
if ($refresh) {
$user .= "\n\n用户点了「换一换」，请重新给一套完全不同的农家三餐，编号" . substr(md5((string) microtime(true)), 0, 8) . '，别跟常见模板重复。';
}
return [$system, $user];
}
/**
* 解析流式三餐纯文本（兼容 JSON 回退）
*
* @return array<string, mixed>|null
*/
private static function parseRecommendPlainText(string $text): ?array
{
$text = trim($text);
if ($text === '') {
return null;
}
if ($text[0] === '{') {
$json = self::parseJsonObject($text);
if (is_array($json)) {
return $json;
}
}
$map = [
'breakfast' => null,
'lunch' => null,
'dinner' => null,
'tips' => null,
'avoid' => null,
];
if (preg_match('/早餐[：:]\s*(.+)$/mu', $text, $m)) {
$map['breakfast'] = trim(preg_split('/\R/u', $m[1])[0] ?? $m[1]);
}
if (preg_match('/午餐[：:]\s*(.+)$/mu', $text, $m)) {
$map['lunch'] = trim(preg_split('/\R/u', $m[1])[0] ?? $m[1]);
}
if (preg_match('/晚餐[：:]\s*(.+)$/mu', $text, $m)) {
$map['dinner'] = trim(preg_split('/\R/u', $m[1])[0] ?? $m[1]);
}
if (preg_match('/提示[：:]\s*(.+)$/mu', $text, $m)) {
$map['tips'] = trim(preg_split('/\R/u', $m[1])[0] ?? $m[1]);
}
if (preg_match('/少碰[：:]\s*(.+)$/mu', $text, $m)) {
$avoidLine = trim(preg_split('/\R/u', $m[1])[0] ?? $m[1]);
$parts = preg_split('/[、,，;；\s]+/u', $avoidLine) ?: [];
$map['avoid'] = array_values(array_filter(array_map('trim', $parts)));
}
if (empty($map['breakfast'])) {
return null;
}
$out = [
'breakfast' => (string) $map['breakfast'],
'lunch' => (string) ($map['lunch'] ?? ''),
'dinner' => (string) ($map['dinner'] ?? ''),
'tips' => (string) ($map['tips'] ?? ''),
'avoid' => is_array($map['avoid']) ? $map['avoid'] : [],
];
return $out;
}
/**
* 规范化 AI 三餐方案；校验未过也保留 AI 文案（避免流式展示后被规则模板覆盖）
*
* @param array<string, mixed> $parsed
* @return array<string, mixed>
*/
private static function finalizeAiRecommendPlan(array $parsed): array
{
$checked = DietMealValidator::validateAndNormalize($parsed);
$data = $checked['plan'];
$data['source'] = 'ai';
$data['rules_summary'] = DietMealValidator::metaSummary($checked['meta']);
if ($checked['ok']) {
$data['disclaimer'] = 'AI 建议已通过规则校验，仍请结合医嘱与血糖监测。';
} else {
$data['validation_warnings'] = $checked['errors'];
$data['disclaimer'] = 'AI 建议供参考，仍请结合医嘱与血糖监测。';
}
return $data;
}
/**
* @return array{0:string,1:string}
*/
private static function buildAskStreamPrompts(array $context, string $question): array
{
$food = GiKnowledge::extractFoodName($question);
$hit = GiKnowledge::lookupFood($food);
$kbHint = $hit
? "知识库命中：{$hit['food']} → {$hit['level_label']}（{$hit['category']}）"
: '知识库未命中，按 GI 原则用农村常识回答';
$system = <<<SYS
你是村里糖尿病饮食顾问，用升糖指数（GI）回答农村老人「能不能吃某东西」。
用一两句土话直接回答，40字以内，先说能不能吃、再说咋吃/吃多少。不要 JSON、不要 markdown、不要列表。
SYS;
$user = sprintf(
"老人%s，%s。问：%s\n%s\n\nGI摘要：\n%s",
$context['patient_name'] ?? '',
$context['gender_text'] ?? '',
$question,
$kbHint,
GiKnowledge::summaryText()
);
return [$system, $user];
}
/**
* @return array<string, mixed>
*/
private static function finalizeAskFromText(array $context, string $question, string $text): array
{
$food = GiKnowledge::extractFoodName($question);
$hit = GiKnowledge::lookupFood($food);
$data = [
'food' => $food,
'advice' => $text,
'source' => 'ai',
];
if ($hit) {
$data['food'] = $hit['food'];
$data['level'] = $hit['level'];
$data['level_label'] = $hit['level_label'];
$data['portion'] = $hit['level'] === GiKnowledge::LEVEL_HIGH
? '尽量别吃'
: ($hit['level'] === GiKnowledge::LEVEL_MEDIUM ? '少量' : '适量');
} else {
$data['level'] = GiKnowledge::LEVEL_MEDIUM;
$data['level_label'] = '中升糖';
$data['portion'] = '少量';
}
return $data;
}
private static function aiDailyRecommend(array $context, bool $refresh = false): ?array
{
[$system, $user] = self::buildRecommendPrompts($context, $refresh);
$res = AiChatService::chat([
['role' => 'system', 'content' => $system],
['role' => 'user', 'content' => $user],
], [
'temperature' => $refresh ? 0.78 : 0.35,
'max_tokens' => 900,
'timeout' => self::AI_TIMEOUT_SEC,
'response_format' => ['type' => 'json_object'],
]);
if (!$res['ok']) {
return null;
}
$parsed = self::parseJsonObject((string) $res['content']);
if (!$parsed || empty($parsed['breakfast'])) {
return null;
}
$parsed['avoid'] = is_array($parsed['avoid'] ?? null) ? $parsed['avoid'] : [];
return $parsed;
}
/**
* @param array $context
* @return array|null
*/
private static function aiAskFood(array $context, string $question): ?array
{
$food = GiKnowledge::extractFoodName($question);
$hit = GiKnowledge::lookupFood($food);
$system = <<<SYS
你是村里糖尿病饮食顾问，用升糖指数（GI）回答农村老人「能不能吃某东西」。
只输出 JSON：{"food":"食物名","level":"low|medium|high","level_label":"低升糖|中升糖|高升糖","advice":"40字内土话建议","portion":"咋吃、吃多少"}
level：low≤55，medium 56-69，high≥70。advice 要口语化，别文绉绉。
SYS;
$kbHint = $hit
? "知识库命中：{$hit['food']} → {$hit['level_label']}（{$hit['category']}）"
: '知识库未命中，按 GI 原则用农村常识回答';
$user = sprintf(
"老人%s，%s。问：%s\n%s\n\nGI摘要：\n%s\n\n农家饭原则：\n%s",
$context['patient_name'] ?? '',
$context['gender_text'] ?? '',
$question,
$kbHint,
GiKnowledge::summaryText(),
GiKnowledge::ruralMealHints()
);
$res = AiChatService::chat([
['role' => 'system', 'content' => $system],
['role' => 'user', 'content' => $user],
], [
'temperature' => 0.3,
'max_tokens' => 400,
'timeout' => self::AI_TIMEOUT_SEC,
'response_format' => ['type' => 'json_object'],
]);
if (!$res['ok']) {
return null;
}
$parsed = self::parseJsonObject((string) $res['content']);
if (!$parsed || empty($parsed['advice'])) {
return null;
}
if ($hit) {
$parsed['food'] = $hit['food'];
$parsed['level'] = $hit['level'];
$parsed['level_label'] = $hit['level_label'];
if (empty($parsed['portion'])) {
$parsed['portion'] = $hit['level'] === GiKnowledge::LEVEL_HIGH ? '尽量别吃' : ($hit['level'] === GiKnowledge::LEVEL_MEDIUM ? '少量' : '适量');
}
}
$parsed['source'] = 'ai';
if (empty($parsed['food'])) {
$parsed['food'] = $food;
}
return $parsed;
}
/**
* @return array<string, mixed>|null
*/
private static function parseJsonObject(string $content): ?array
{
$content = trim($content);
if ($content === '') {
return null;
}
if ($content[0] !== '{') {
if (preg_match('/\{[\s\S]*\}/', $content, $m)) {
$content = $m[0];
}
}
$decoded = json_decode($content, true);
return is_array($decoded) ? $decoded : null;
}
}
server/app/api/logic/tcm/DailyPhoneLogic.php
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<?php
namespace app\api\logic\tcm;
use app\adminapi\logic\tcm\DiagnosisLogic;
use app\common\model\user\User;
/**
* 日常血糖：手机号快捷建档（无完整就诊卡时）
*/
class DailyPhoneLogic
{
/** 小程序完整建档（edit_card） */
public const CREATE_SOURCE_MNP = 'mnp';
/** 小程序手机号快捷建档（日常血糖） */
public const CREATE_SOURCE_MNP_DAILY = 'mnp_daily';
/**
* 用户 sex(1男2女) → 诊单 gender(1男0女)
*/
public static function mapUserSexToDiagnosisGender($sex): int
{
$sex = (int) $sex;
if ($sex === 2) {
return 0;
}
if ($sex === 1) {
return 1;
}
return 1;
}
/**
* 已绑定手机号则返回可用诊单；无卡时自动创建轻量档案
*
* @param array{sex?:int|null} $options sex: 用户表 1男2女，授权手机号时可传入
* @return array{ok:bool,need_mobile?:bool,error?:string,created?:bool,diagnosis_id?:int,patient_id?:int,patient_name?:string,gender?:int,age?:int,mobile?:string,create_source?:string}
*/
public static function ensureDailyContext(int $userId, array $options = []): array
{
if ($userId <= 0) {
return ['ok' => false, 'need_mobile' => false, 'error' => '请先登录'];
}
$user = User::where('id', $userId)
->field('id,nickname,real_name,mobile,sex,age')
->find();
if (!$user) {
return ['ok' => false, 'need_mobile' => false, 'error' => '用户不存在'];
}
$mobile = trim((string) ($user['mobile'] ?? ''));
if ($mobile === '') {
return ['ok' => false, 'need_mobile' => true, 'error' => '请先授权手机号'];
}
if (array_key_exists('sex', $options) && $options['sex'] !== null && $options['sex'] !== '') {
$sex = (int) $options['sex'];
if (in_array($sex, [1, 2], true) && (int) ($user['sex'] ?? 0) !== $sex) {
User::update(['id' => $userId, 'sex' => $sex]);
$user['sex'] = $sex;
}
}
$cardList = DiagnosisLogic::getCardList($userId);
if ($cardList === false) {
return [
'ok' => false,
'need_mobile' => false,
'error' => DiagnosisLogic::getError() ?: '获取就诊卡失败',
];
}
if (!empty($cardList)) {
$card = $cardList[0];
return [
'ok' => true,
'need_mobile' => false,
'created' => false,
'diagnosis_id' => (int) $card['id'],
'patient_id' => (int) $card['patient_id'],
'patient_name' => (string) ($card['patient_name'] ?? ''),
'gender' => (int) ($card['gender'] ?? 0),
'age' => (int) ($card['age'] ?? 0),
'mobile' => $mobile,
'create_source' => (string) ($card['create_source'] ?? ''),
];
}
$displayName = trim((string) (($user['real_name'] ?? '') ?: ($user['nickname'] ?? '')));
if ($displayName === '') {
$displayName = '用户' . substr($mobile, -4);
}
$gender = self::mapUserSexToDiagnosisGender($user['sex'] ?? 1);
$result = DiagnosisLogic::addCard([
'user_id' => $userId,
'patient_name' => $displayName,
'phone' => $mobile,
'gender' => $gender,
'age' => max(0, (int) ($user['age'] ?? 0)),
'diagnosis_date' => time(),
'create_source' => self::CREATE_SOURCE_MNP_DAILY,
'remark' => '小程序手机号快捷建档（日常血糖）',
]);
if ($result === false) {
return [
'ok' => false,
'need_mobile' => false,
'error' => DiagnosisLogic::getError() ?: '创建档案失败',
];
}
return [
'ok' => true,
'need_mobile' => false,
'created' => true,
'diagnosis_id' => (int) $result['id'],
'patient_id' => (int) $result['patient_id'],
'patient_name' => $displayName,
'gender' => $gender,
'age' => max(0, (int) ($user['age'] ?? 0)),
'mobile' => $mobile,
'create_source' => self::CREATE_SOURCE_MNP_DAILY,
];
}
}
server/app/api/logic/tcm/DietMealValidator.php
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<?php
namespace app\api\logic\tcm;
/**
* 三餐推荐硬性规则校验（午餐高蛋白、淀粉不重复、禁高 GI）
*/
class DietMealValidator
{
/** 淀粉类关键词 → 分组（同组即视为同一种淀粉） */
private const STARCH_GROUPS = [
'porridge' => ['粥', '稀饭', '玉米碴', '棒子面', '高粱', '糊糊'],
'rice' => ['米饭', '糙米饭', '二米饭', '杂豆饭', '红米饭', '饭'],
'noodle' => ['挂面', '面条', '手擀面', '拉面', '刀削面'],
'bun' => ['馒头', '窝头', '贴饼', '玉米面饼', '杂面馒头', '杂面窝头', '杂面', '饼'],
'potato' => ['红薯', '地瓜', '番薯', '土豆', '洋芋', '芋头'],
'pumpkin' => ['南瓜'],
];
/** 蛋白质关键词（出现即计 1，同词不重复计） */
private const PROTEIN_KEYWORDS = [
'鲫鱼', '鲤鱼', '小鱼', '清蒸鱼', '炖鱼', '鱼',
'虾', '蟹',
'鸡肉', '鸡胸', '鸡', '鸭肉', '鸭',
'牛肉', '羊肉', '猪肉', '瘦肉', '肉',
'鸡蛋', '茶叶蛋', '蛋羹', '炒蛋', '蛋',
'豆腐脑', '豆干', '豆腐', '豆角', '芸豆', '扁豆',
];
/** 高 GI 禁用（出现在任一餐即违规） */
private const FORBIDDEN_HIGH_GI = [
'白馒头', '馒头', '油条', '粘豆包', '糯米饭', '西瓜', '荔枝', '龙眼',
'含糖饮料', '可乐', '汽水', '糖糕', '糕点', '白稀饭', '稀饭',
];
/**
* 校验并规范化三餐方案；不通过则 ok=false
*
* @param array{breakfast?:string,lunch?:string,dinner?:string,tips?:string,avoid?:array} $plan
* @return array{ok:bool,errors:list<string>,plan:array,meta:array}
*/
public static function validateAndNormalize(array $plan): array
{
$breakfast = trim((string) ($plan['breakfast'] ?? ''));
$lunch = trim((string) ($plan['lunch'] ?? ''));
$dinner = trim((string) ($plan['dinner'] ?? ''));
$errors = [];
if ($breakfast === '' || $lunch === '' || $dinner === '') {
$errors[] = '三餐内容不完整';
}
foreach (self::FORBIDDEN_HIGH_GI as $bad) {
foreach (['breakfast' => $breakfast, 'lunch' => $lunch, 'dinner' => $dinner] as $mealName => $text) {
if ($text !== '' && mb_strpos($text, $bad) !== false) {
// 「杂面馒头」含馒头但可接受；纯「馒头」才禁
if ($bad === '馒头' && (mb_strpos($text, '杂面') !== false || mb_strpos($text, '玉米面') !== false)) {
continue;
}
if ($bad === '稀饭' && mb_strpos($text, '玉米') !== false) {
continue;
}
$errors[] = "{$mealName}含高 GI 食物「{$bad}」";
}
}
}
$bfStarch = self::detectStarchGroups($breakfast);
$luStarch = self::detectStarchGroups($lunch);
$diStarch = self::detectStarchGroups($dinner);
if (count($bfStarch) > 1) {
$errors[] = '早餐淀粉种类超过 1 种';
}
if (count($luStarch) > 1) {
$errors[] = '午餐淀粉种类超过 1 种';
}
if (count($diStarch) > 1) {
$errors[] = '晚餐淀粉种类超过 1 种';
}
$dayGroups = array_values(array_filter([
$bfStarch[0] ?? null,
$luStarch[0] ?? null,
$diStarch[0] ?? null,
]));
if (count($dayGroups) !== count(array_unique($dayGroups))) {
$errors[] = '早中晚淀粉种类重复';
}
$bfProtein = self::countProteinHits($breakfast);
$luProtein = self::countProteinHits($lunch);
$diProtein = self::countProteinHits($dinner);
if ($luProtein < 2) {
$errors[] = '午餐高蛋白不足（至少 2 样：鱼/肉/蛋/豆腐）';
}
if ($luProtein < $bfProtein || $luProtein < $diProtein) {
$errors[] = '午餐蛋白质应多于早、晚餐';
}
$avoid = is_array($plan['avoid'] ?? null) ? $plan['avoid'] : [];
if (count($avoid) < 3) {
$avoid = array_values(array_unique(array_merge($avoid, [
'白面馒头', '油条', '粘豆包', '西瓜', '含糖饮料',
])));
$avoid = array_slice($avoid, 0, 5);
}
$tips = trim((string) ($plan['tips'] ?? ''));
if ($tips === '') {
$tips = '中午鱼蛋豆肉吃足；早中晚各一种主食，别重复。';
}
$normalized = [
'breakfast' => $breakfast,
'lunch' => $lunch,
'dinner' => $dinner,
'tips' => $tips,
'avoid' => $avoid,
];
$meta = [
'protein' => ['breakfast' => $bfProtein, 'lunch' => $luProtein, 'dinner' => $diProtein],
'starch' => ['breakfast' => $bfStarch[0] ?? '', 'lunch' => $luStarch[0] ?? '', 'dinner' => $diStarch[0] ?? ''],
'rules_ok' => empty($errors),
];
return [
'ok' => empty($errors),
'errors' => $errors,
'plan' => $normalized,
'meta' => $meta,
];
}
/**
* @return list<string> 淀粉分组 id，按命中顺序
*/
public static function detectStarchGroups(string $text): array
{
if ($text === '') {
return [];
}
$found = [];
foreach (self::STARCH_GROUPS as $groupId => $keywords) {
foreach ($keywords as $kw) {
if (mb_strpos($text, $kw) !== false) {
$found[$groupId] = true;
break;
}
}
}
return array_keys($found);
}
public static function countProteinHits(string $text): int
{
if ($text === '') {
return 0;
}
$count = 0;
$used = [];
foreach (self::PROTEIN_KEYWORDS as $kw) {
if (isset($used[$kw])) {
continue;
}
if (mb_strpos($text, $kw) !== false) {
// 「鱼」已命中则不再计「小鱼」「鲫鱼」
$skip = false;
foreach ($used as $u) {
if (mb_strpos($u, $kw) !== false || mb_strpos($kw, $u) !== false) {
$skip = true;
break;
}
}
if ($skip) {
continue;
}
$used[$kw] = true;
$count++;
}
}
return $count;
}
public static function metaSummary(array $meta): string
{
$p = $meta['protein'] ?? [];
$s = $meta['starch'] ?? [];
$starchLabels = [
'porridge' => '粥', 'rice' => '饭', 'noodle' => '面', 'bun' => '饼/窝头',
'potato' => '薯', 'pumpkin' => '南瓜',
];
$sBf = $starchLabels[$s['breakfast'] ?? ''] ?? ($s['breakfast'] ?: '—');
$sLu = $starchLabels[$s['lunch'] ?? ''] ?? ($s['lunch'] ?: '—');
$sDi = $starchLabels[$s['dinner'] ?? ''] ?? ($s['dinner'] ?: '—');
return sprintf(
'午餐 %d 样蛋白（早%d/晚%d）；淀粉：早%s·午%s·晚%s',
(int) ($p['lunch'] ?? 0),
(int) ($p['breakfast'] ?? 0),
(int) ($p['dinner'] ?? 0),
$sBf,
$sLu,
$sDi
);
}
}
server/app/api/logic/tcm/GiKnowledge.php
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<?php
namespace app\api\logic\tcm;
/**
* 霍大夫升糖指数（GI）知识库
*/
class GiKnowledge
{
public const LEVEL_LOW = 'low';
public const LEVEL_MEDIUM = 'medium';
public const LEVEL_HIGH = 'high';
/** @var array<string, array<string, list<string>>> */
private static array $foods = [
self::LEVEL_LOW => [
'五谷类' => ['全蛋面', '荞麦面', '粉丝', '黑米', '黑米粥', '通心粉', '藕粉'],
'蔬菜类' => ['魔芋', '粟米', '大白菜', '黄瓜', '芹菜', '茄子', '青椒', '海带', '金针菇', '香菇', '菠菜', '番茄', '豆芽', '芦笋', '花椰菜', '洋葱', '生菜'],
'豆类' => ['黄豆', '眉豆', '鸡心豆', '豆腐', '豆角', '绿豆', '扁豆', '四季豆'],
'水果类' => ['苹果', '水梨', '橙子', '桃', '提子', '沙田柚', '雪梨', '车厘子', '柚子', '草莓', '樱桃', '金桔', '葡萄'],
'奶类' => ['牛奶', '低脂奶', '脱脂奶', '低脂乳酪', '红茶', '优格', '无糖豆浆'],
],
self::LEVEL_MEDIUM => [
'主食类' => ['红米饭', '糙米饭', '西米', '乌冬面', '面包', '麦片', '番薯', '芋头'],
'蔬菜类' => ['薯片', '番茄', '莲藕', '牛蒡'],
'肉类' => ['鱼肉', '鸡肉', '鸭肉', '猪肉', '羊肉', '牛肉', '虾子', '蟹'],
'水果类' => ['木瓜', '提子干', '菠萝', '香蕉', '芒果', '哈密瓜', '奇异果', '柳丁'],
'其他' => ['蔗糖', '蜂蜜', '红酒', '啤酒', '可乐', '咖啡'],
],
self::LEVEL_HIGH => [
'主食类' => ['白饭', '馒头', '油条', '糯米饭', '白面包', '燕麦片', '拉面', '炒饭', '爆米花'],
'肉类加工品' => ['贡丸', '肥肠', '蛋饺'],
'蔬菜类' => ['薯蓉', '南瓜', '焗薯'],
'水果类' => ['西瓜', '荔枝', '龙眼', '凤梨', '枣'],
'其他' => ['葡萄糖', '砂糖', '麦芽糖', '汽水', '柳橙汁', '蜂蜜'],
],
];
/** @var list<array{breakfast:string,lunch:string,dinner:string,tips:string}> */
private static array $mealTemplates = [
[
'breakfast' => '玉米碴子粥、煮鸡蛋、拌黄瓜',
'lunch' => '清炖鲤鱼、豆腐炖白菜、清炒豆角、米饭小半碗',
'dinner' => '玉米面饼一个、瘦肉丝、凉拌茄子',
'tips' => '中午鱼豆肉吃足；早中晚淀粉别重复，一顿一种主食就够。',
],
[
'breakfast' => '小米粥、煮鸡蛋、小碟咸菜（少盐）',
'lunch' => '去皮炖鸡肉、芹菜炒豆干、木耳炒鸡蛋',
'dinner' => '蒸红薯（小半块）、清炒菠菜、豆腐汤',
'tips' => '午餐最讲究蛋白；晚上才吃薯，别跟中午再配大米饭。',
],
[
'breakfast' => '豆腐脑（少卤）、鸡蛋、一个苹果',
'lunch' => '清炖鸡肉、炖芸豆、番茄炒蛋、贴饼子一个',
'dinner' => '挂面一小碗、清蒸小鱼、拌海带丝',
'tips' => '中午饼配肉豆，蛋白管够；面条放晚上，别三顿都是粥饭。',
],
[
'breakfast' => '高粱米粥、茶叶蛋、拌萝卜丝',
'lunch' => '炖牛肉（瘦）、豆腐炒韭菜、清炒油菜、杂豆饭小半碗',
'dinner' => '蒸南瓜（小半碗）、鸡蛋羹、拍黄瓜',
'tips' => '中午肉蛋豆要多吃；南瓜算晚饭主食，别再加馒头稀饭。',
],
[
'breakfast' => '棒子面粥、水煮蛋、大拌菜（少油）',
'lunch' => '清炖鲫鱼、番茄炒蛋、炖扁豆、糙米饭小半碗',
'dinner' => '玉米面饼一个、清炒豆芽、豆腐脑',
'tips' => '午饭鱼蛋豆齐上；玉米面放晚上，跟中午米饭分开。',
],
[
'breakfast' => '小米粥、煮鸡蛋、拌生菜',
'lunch' => '白切鸡（去皮）、炖豆腐、清炒豆角、二米饭小半碗',
'dinner' => '杂面馒头一个、瘦肉炒芹菜、凉拌黄瓜',
'tips' => '中午蛋白打主力；三顿别都喝粥吃面，一顿一种淀粉。',
],
];
public static function summaryText(): string
{
$path = root_path() . 'app/api/logic/tcm/data/gi_huo_summary.txt';
if (is_file($path)) {
$text = trim((string) file_get_contents($path));
if ($text !== '') {
return $text;
}
}
return '低 GI（≤55）优先；中 GI（56-69）适量；高 GI（≥70）尽量避免。多选全谷物、蔬菜、豆类，少加工、少精制糖。';
}
/** 农村/口语别名 → 标准名（便于「能不能吃」匹配） */
private static array $aliases = [
'棒子面' => '荞麦面', '玉米碴' => '粟米', '地瓜' => '番薯', '红薯' => '番薯',
'洋芋' => '芋头', '土豆' => '芋头', '窝头' => '通心粉', '贴饼子' => '通心粉',
'二米饭' => '红米饭', '稀饭' => '白饭', '白稀饭' => '白饭', '糖糕' => '麦芽糖',
];
/**
* @return array{level:string,level_label:string,category:string,advice:string}|null
*/
public static function lookupFood(string $name): ?array
{
$name = trim($name);
if ($name === '') {
return null;
}
$canonical = self::$aliases[$name] ?? $name;
foreach ([self::LEVEL_LOW, self::LEVEL_MEDIUM, self::LEVEL_HIGH] as $level) {
foreach (self::$foods[$level] as $category => $items) {
foreach ($items as $item) {
if ($canonical === $item || $name === $item
|| mb_strpos($item, $canonical) !== false || mb_strpos($canonical, $item) !== false
|| mb_strpos($item, $name) !== false || mb_strpos($name, $item) !== false) {
return [
'level' => $level,
'level_label' => self::levelLabel($level),
'category' => $category,
'food' => $item,
'advice' => self::adviceForLevel($level, $name),
];
}
}
}
}
return null;
}
/** 供 AI 参考：老农民家常、集市易得食材示例 */
public static function ruralMealHints(): string
{
return implode("\n", [
'【午餐】蛋白质要最高：至少 2 样高蛋白（鱼/鸡鸭/瘦肉/蛋/豆腐/豆干），肉蛋豆是午饭主角。',
'【淀粉不重复】粥/饭/面/饼/窝头/红薯/土豆/玉米/南瓜等算淀粉；早中晚各最多 1 种，且三顿不能同一种、不要顿顿大主食。',
'推荐蛋白：鸡蛋、豆腐、豆干、自家鸡鸭蛋、瘦肉、鲫鱼鲤鱼；',
'推荐蔬菜：白菜、萝卜、黄瓜、豆角、茄子、菠菜、芹菜；',
'淀粉示例（全天选 3 种不同的）：玉米碴粥、二米饭小半碗、贴饼子、杂面窝头、挂面小碗、蒸红薯；',
'少吃：白馒头、油条、粘豆包、糯米饭、西瓜、含糖饮料、糕点。',
'说话要土话、短句，像村里大夫叮嘱。',
]);
}
public static function levelLabel(string $level): string
{
return match ($level) {
self::LEVEL_LOW => '低升糖',
self::LEVEL_MEDIUM => '中升糖',
default => '高升糖',
};
}
public static function adviceForLevel(string $level, string $food): string
{
return match ($level) {
self::LEVEL_LOW => "「{$food}」升糖慢，老农民家常能吃，当菜当饭都行，有助于稳血糖。",
self::LEVEL_MEDIUM => "「{$food}」升糖中等，可以吃但要少搁点，别当主食猛吃，配着蔬菜鸡蛋更好。",
default => "「{$food}」升糖快，血糖高时尽量别吃或少吃，尤其别空腹猛吃。",
};
}
/**
* @param int|null $templateIndex 指定模板下标（换一换时轮换）
* @return array{breakfast:string,lunch:string,dinner:string,tips:string,avoid:list<string>,source:string}
*/
public static function fallbackDailyMeals(int $diagnosisId, ?int $templateIndex = null): array
{
$templates = self::$mealTemplates;
$count = count($templates);
if ($templateIndex !== null) {
$idx = (($templateIndex % $count) + $count) % $count;
} else {
$idx = abs(crc32(date('Y-m-d') . ':' . $diagnosisId)) % $count;
}
$meal = $templates[$idx];
$plan = [
'breakfast' => $meal['breakfast'],
'lunch' => $meal['lunch'],
'dinner' => $meal['dinner'],
'tips' => $meal['tips'],
'avoid' => ['白面馒头', '油条', '粘豆包', '西瓜', '含糖饮料', '稀饭配糖'],
'source' => 'rule',
];
$checked = DietMealValidator::validateAndNormalize($plan);
$out = $checked['plan'];
$out['source'] = 'rule';
$out['rules_summary'] = DietMealValidator::metaSummary($checked['meta']);
return $out;
}
/**
* @return array{food:string,level:string,level_label:string,advice:string,source:string}
*/
public static function fallbackAsk(string $question): array
{
$food = self::extractFoodName($question);
$hit = self::lookupFood($food);
if ($hit) {
return [
'food' => $hit['food'],
'level' => $hit['level'],
'level_label' => $hit['level_label'],
'advice' => $hit['advice'],
'source' => 'rule',
];
}
return [
'food' => $food,
'level' => '',
'level_label' => '未知',
'advice' => '库里没查到「' . $food . '」。一般多吃小米玉米、白菜豆角豆腐鸡蛋，少吃白馒头油条甜口；拿不准问村医。',
'source' => 'rule',
];
}
public static function extractFoodName(string $question): string
{
$q = trim($question);
$q = preg_replace('/^(能不能吃|可以吃|能吃|可不可以吃|请问|我想问)/u', '', $q) ?? $q;
$q = preg_replace('/(吗|呢|？|\?)+$/u', '', $q) ?? $q;
$q = trim($q);
return $q !== '' ? $q : $question;
}
}
server/app/api/logic/tcm/data/gi_huo_summary.txt
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食物升糖指数（GI）知识摘要（霍大夫），面向农村老人日常吃饭：
- 低 GI（≤55）：小米、玉米碴、杂面、大部分蔬菜、豆腐、鸡蛋、苹果/梨/柚子等，有助于稳血糖。
- 中 GI（56-69）：二米饭、红薯、土豆、香蕉等，可以吃但要少、别当顿顿主食。
- 高 GI（≥70）：白馒头、白稀饭、油条、粘豆包、糯米饭、西瓜、含糖饮料、糕点，尽量别碰。
- 午餐蛋白质要最高：鱼、鸡鸭、瘦肉、蛋、豆腐至少两样，午饭是全天蛋白主力。
- 淀粉不重复：粥/饭/面/饼/薯/玉米/南瓜等，早中晚各最多一种，三顿不要同一种、别顿顿大主食。
- 吃饭窍门：先吃菜和蛋白，再动主食，每餐七分饱。
server/app/common/service/AiChatService.php
+181
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<?php
namespace app\common\service;
/**
* OpenAI 兼容 Chat Completions 客户端
*/
class AiChatService
{
public static function isEnabled(): bool
{
$cfg = config('ai') ?: [];
return !empty($cfg['enable']) && trim((string) ($cfg['api_key'] ?? '')) !== '';
}
/**
* @param array<int, array{role:string,content:string}> $messages
* @param array<string, mixed> $options
* @return array{ok:bool,content?:string,error?:string,raw?:array}
*/
public static function chat(array $messages, array $options = []): array
{
$cfg = config('ai') ?: [];
if (empty($cfg['enable'])) {
return ['ok' => false, 'error' => 'AI 未启用'];
}
$apiKey = trim((string) ($cfg['api_key'] ?? ''));
if ($apiKey === '') {
return ['ok' => false, 'error' => 'AI 密钥未配置'];
}
$baseUrl = rtrim((string) ($cfg['base_url'] ?? 'https://api.deepseek.com'), '/');
$model = (string) ($options['model'] ?? ($cfg['model'] ?? 'deepseek-chat'));
$timeout = (int) ($options['timeout'] ?? ($cfg['timeout'] ?? 60));
$payload = [
'model' => $model,
'messages' => $messages,
'temperature' => (float) ($options['temperature'] ?? 0.4),
'max_tokens' => (int) ($options['max_tokens'] ?? 1200),
];
if (!empty($options['response_format'])) {
$payload['response_format'] = $options['response_format'];
}
$url = $baseUrl . '/v1/chat/completions';
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($payload, JSON_UNESCAPED_UNICODE));
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, min(8, max(3, (int) ceil($timeout / 3))));
curl_setopt($ch, CURLOPT_TIMEOUT, max(5, $timeout));
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
curl_setopt($ch, CURLOPT_HTTPHEADER, [
'Content-Type: application/json',
'Authorization: Bearer ' . $apiKey,
]);
$body = curl_exec($ch);
$errno = curl_errno($ch);
$err = curl_error($ch);
$code = (int) curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);
if ($errno) {
return ['ok' => false, 'error' => 'AI 请求失败：' . $err];
}
$decoded = json_decode((string) $body, true);
if ($code >= 400 || !is_array($decoded)) {
$msg = is_array($decoded) ? ($decoded['error']['message'] ?? $decoded['message'] ?? 'AI 返回异常') : 'AI 返回异常';
return ['ok' => false, 'error' => (string) $msg, 'raw' => $decoded];
}
$content = (string) ($decoded['choices'][0]['message']['content'] ?? '');
if ($content === '') {
return ['ok' => false, 'error' => 'AI 未返回内容', 'raw' => $decoded];
}
return ['ok' => true, 'content' => $content, 'raw' => $decoded];
}
/**
* 流式 Chat Completions（OpenAI SSE 格式）
*
* @param callable(string):void $onDelta 每收到一段文本回调
* @return array{ok:bool,content?:string,error?:string}
*/
public static function streamChat(array $messages, callable $onDelta, array $options = []): array
{
$cfg = config('ai') ?: [];
if (empty($cfg['enable'])) {
return ['ok' => false, 'error' => 'AI 未启用'];
}
$apiKey = trim((string) ($cfg['api_key'] ?? ''));
if ($apiKey === '') {
return ['ok' => false, 'error' => 'AI 密钥未配置'];
}
$baseUrl = rtrim((string) ($cfg['base_url'] ?? 'https://api.deepseek.com'), '/');
$model = (string) ($options['model'] ?? ($cfg['model'] ?? 'deepseek-chat'));
$timeout = (int) ($options['timeout'] ?? ($cfg['timeout'] ?? 60));
$payload = [
'model' => $model,
'messages' => $messages,
'temperature' => (float) ($options['temperature'] ?? 0.4),
'max_tokens' => (int) ($options['max_tokens'] ?? 1200),
'stream' => true,
];
$lineBuffer = '';
$fullContent = '';
$writeFn = static function ($ch, string $chunk) use (&$lineBuffer, &$fullContent, $onDelta): int {
$lineBuffer .= $chunk;
while (($pos = strpos($lineBuffer, "\n")) !== false) {
$line = rtrim(substr($lineBuffer, 0, $pos), "\r");
$lineBuffer = substr($lineBuffer, $pos + 1);
if ($line === '' || strncmp($line, 'data:', 5) !== 0) {
continue;
}
$data = trim(substr($line, 5));
if ($data === '' || $data === '[DONE]') {
continue;
}
$json = json_decode($data, true);
if (!is_array($json)) {
continue;
}
$delta = (string) ($json['choices'][0]['delta']['content'] ?? '');
if ($delta === '') {
continue;
}
$fullContent .= $delta;
$onDelta($delta);
}
return strlen($chunk);
};
$url = $baseUrl . '/v1/chat/completions';
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($payload, JSON_UNESCAPED_UNICODE));
curl_setopt($ch, CURLOPT_RETURNTRANSFER, false);
curl_setopt($ch, CURLOPT_WRITEFUNCTION, $writeFn);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, min(8, max(3, (int) ceil($timeout / 3))));
curl_setopt($ch, CURLOPT_TIMEOUT, max(10, $timeout));
curl_setopt($ch, CURLOPT_TCP_NODELAY, true);
curl_setopt($ch, CURLOPT_BUFFERSIZE, 128);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
curl_setopt($ch, CURLOPT_HTTPHEADER, [
'Content-Type: application/json',
'Authorization: Bearer ' . $apiKey,
'Accept: text/event-stream',
]);
curl_exec($ch);
$errno = curl_errno($ch);
$err = curl_error($ch);
$code = (int) curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);
if ($errno) {
return ['ok' => false, 'error' => 'AI 请求失败：' . $err];
}
if ($code >= 400) {
return ['ok' => false, 'error' => 'AI 返回异常（HTTP ' . $code . '）'];
}
if ($fullContent === '') {
return ['ok' => false, 'error' => 'AI 未返回内容'];
}
return ['ok' => true, 'content' => $fullContent];
}
}