141 lines
3.4 KiB
PHP
141 lines
3.4 KiB
PHP
<?php
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namespace App\Models;
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use Illuminate\Database\Eloquent\Model;
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use Illuminate\Database\Eloquent\Relations\BelongsTo;
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use Carbon\Carbon;
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class Patient extends Model
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{
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protected $fillable = [
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'user_id',
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'name',
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'gender',
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'age',
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'diagnosis',
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'discharge_date',
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'address',
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'phone',
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'remark',
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'follow_up_count',
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'last_follow_up_date',
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];
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/**
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* 获取患者所属用户
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*/
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public function user(): BelongsTo
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{
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return $this->belongsTo(User::class);
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}
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protected $casts = [
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'discharge_date' => 'date',
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'last_follow_up_date' => 'date',
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];
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/**
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* 获取随访时间规则（月数）
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* 脑卒中/心肌梗塞: 1, 3, 6, 12 个月
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* 慢性肾脏病: 1, 2, 3, 6 个月
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*/
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public function getFollowUpSchedule(): array
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{
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$diagnosis = $this->diagnosis;
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if (str_contains($diagnosis, '慢性肾') || str_contains($diagnosis, '肾脏病')) {
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return [1, 2, 3, 6]; // 慢性肾脏病
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}
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// 脑卒中、心肌梗塞及其他
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return [1, 3, 6, 12];
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}
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/**
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* 获取下次随访日期
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*/
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public function getNextFollowUpDate(): ?Carbon
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{
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$schedule = $this->getFollowUpSchedule();
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$nextIndex = $this->follow_up_count;
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if ($nextIndex >= count($schedule)) {
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return null; // 已完成所有随访
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}
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$months = $schedule[$nextIndex];
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return $this->discharge_date->copy()->addMonths($months);
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}
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/**
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* 获取下次随访是第几次
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*/
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public function getNextFollowUpNumber(): int
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{
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return $this->follow_up_count + 1;
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}
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/**
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* 检查是否需要随访（到期或已过期）
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*/
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public function needsFollowUp(): bool
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{
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$nextDate = $this->getNextFollowUpDate();
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if (!$nextDate) {
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return false;
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}
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return $nextDate->lte(Carbon::today());
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}
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/**
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* 获取随访状态
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*/
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public function getFollowUpStatus(): string
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{
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$nextDate = $this->getNextFollowUpDate();
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if (!$nextDate) {
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return '已完成';
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}
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$today = Carbon::today();
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$diff = $today->diffInDays($nextDate, false);
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if ($diff < 0) {
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return '已过期 ' . abs($diff) . ' 天';
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} elseif ($diff == 0) {
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return '今日到期';
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} elseif ($diff <= 7) {
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return '即将到期（' . $diff . '天后）';
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} else {
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return '未到期';
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}
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}
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/**
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* 检查是否已完成所有随访
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*/
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public function isCompleted(): bool
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{
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return $this->follow_up_count >= count($this->getFollowUpSchedule());
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}
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/**
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* 获取诊断类型名称
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*/
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public function getDiagnosisType(): string
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{
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if (str_contains($this->diagnosis, '脑卒中')) {
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return '脑卒中';
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} elseif (str_contains($this->diagnosis, '心肌梗') || str_contains($this->diagnosis, '心梗')) {
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return '心肌梗塞';
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} elseif (str_contains($this->diagnosis, '慢性肾') || str_contains($this->diagnosis, '肾脏病')) {
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return '慢性肾脏病';
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}
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return $this->diagnosis;
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}
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}
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