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<?php
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namespace App\Models;
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use Carbon\Carbon;
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use Illuminate\Database\Eloquent\Model;
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use Illuminate\Database\Eloquent\Relations\BelongsTo;
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class ActivityDay extends Model
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{
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protected $fillable = [
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'activity_id',
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'session_name',
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'activity_date',
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'day_quota',
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'booked_count',
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'opens_at',
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'closes_at',
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'session_start_at',
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'session_end_at',
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'booking_deadline_at',
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];
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protected $casts = [
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'activity_date' => 'date',
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'opens_at' => 'datetime',
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'closes_at' => 'datetime',
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'session_start_at' => 'datetime',
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'session_end_at' => 'datetime',
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'booking_deadline_at' => 'datetime',
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'day_quota' => 'integer',
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'booked_count' => 'integer',
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];
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/** 管理端/接口序列化时附带，与 H5 中 `time_range_text` 一致 */
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protected $appends = ['time_range_text'];
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public function getTimeRangeTextAttribute(): string
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{
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return $this->formatSessionTimeRangeZh();
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}
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protected static function booted(): void
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{
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static::saving(function (ActivityDay $day) {
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if ($day->session_start_at) {
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$tz = (string) config('app.timezone');
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$day->activity_date = $day->session_start_at->copy()->timezone($tz)->format('Y-m-d');
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}
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});
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}
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public function activity(): BelongsTo
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{
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return $this->belongsTo(Activity::class);
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}
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/**
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* 场次时间段展示：同日则「Y年m月d日 H:i-H:i」。
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*/
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public function formatSessionTimeRangeZh(): string
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{
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if (!$this->session_start_at || !$this->session_end_at) {
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return $this->activity_date?->format('Y年m月d日') ?? '';
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}
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$tz = (string) config('app.timezone');
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$s = $this->session_start_at->copy()->timezone($tz);
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$e = $this->session_end_at->copy()->timezone($tz);
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if ($s->toDateString() === $e->toDateString()) {
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return $s->format('Y年m月d日 H:i') . '-' . $e->format('H:i');
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}
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return $s->format('Y年m月d日 H:i') . ' ~ ' . $e->format('Y年m月d日 H:i');
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}
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public function isSessionMode(): bool
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{
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return $this->session_start_at !== null
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&& $this->session_end_at !== null
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&& $this->booking_deadline_at !== null;
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}
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/**
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* 当前时刻是否可预约：截止前、有余量、未重复预约等由业务层与 H5 数组字段共同约束。
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* 这里仅表示「未过预约截止且有余量」（legacy 为原 opens/closes 窗口逻辑）。
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*/
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public function isCurrentlyBookable(): bool
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{
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$available = max(0, (int) $this->day_quota - (int) $this->booked_count);
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if ($available <= 0) {
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return false;
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}
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if ($this->isSessionMode()) {
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return now()->lte($this->booking_deadline_at);
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}
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$closesAt = $this->closes_at ?: $this->opens_at?->copy()->endOfDay();
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$now = now();
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if (!$this->opens_at || !$closesAt) {
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return false;
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}
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$isOpenWindow = $this->opens_at->lte($now) && $closesAt->gte($now);
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return $isOpenWindow;
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}
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/**
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* H5 预约页/活动详情：单场次展示与可约态。
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*
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* @return array<string, mixed>
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*/
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public function toH5BookingDayArray(bool $alreadyReserved = false): array
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{
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$available = max(0, (int) $this->day_quota - (int) $this->booked_count);
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$now = now();
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$enrolledCountText = '已报名数：' . (int) $this->booked_count;
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$bookedPeopleText = '已约' . (int) $this->booked_count . '人';
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if ($this->isSessionMode()) {
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$deadline = $this->booking_deadline_at;
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$unavailableReason = null;
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$isBookable = false;
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if ($alreadyReserved) {
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$unavailableReason = 'already_reserved';
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$actionHeadline = '已预约';
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$statusText = '已约';
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$statusKind = 'reserved';
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} elseif (! $deadline) {
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$unavailableReason = 'closed';
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$actionHeadline = '预约已结束';
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$statusText = '预约已结束';
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$statusKind = 'closed';
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} elseif ($now->gt($deadline)) {
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$unavailableReason = 'deadline_passed';
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$actionHeadline = '预约已结束';
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$statusText = '已约' . (int) $this->booked_count . '人';
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$statusKind = 'booked_info';
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} elseif ($available <= 0) {
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$unavailableReason = 'sold_out';
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$actionHeadline = '预约已满';
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$statusText = '预约已满';
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$statusKind = 'full';
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} else {
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$isBookable = true;
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$unavailableReason = null;
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$actionHeadline = '立即预约';
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$statusText = '已约' . (int) $this->booked_count . '人';
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$statusKind = 'open';
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}
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$timeDisplay = $this->formatSessionTimeRangeZh();
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} else {
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// legacy：无场次字段时沿用原预约窗口
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$timeDisplay = $this->activity_date?->format('Y年m月d日') ?? '';
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if ($alreadyReserved) {
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$unavailableReason = 'already_reserved';
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$actionHeadline = '已预约';
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$statusText = '已约';
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$statusKind = 'reserved';
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} elseif ($available <= 0) {
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$unavailableReason = 'sold_out';
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$actionHeadline = '预约已满';
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$statusText = '预约已满';
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$statusKind = 'full';
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} else {
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$closesAt = $this->closes_at ?: $this->opens_at?->copy()->endOfDay();
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if ($this->opens_at && $this->opens_at->gt($now)) {
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$unavailableReason = 'not_started';
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$actionHeadline = '未开放';
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$statusText = '未开放';
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$statusKind = 'closed';
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} elseif ($closesAt && $closesAt->lt($now)) {
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$unavailableReason = 'closed';
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$actionHeadline = '预约已结束';
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$statusText = '不可预约';
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$statusKind = 'closed';
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} else {
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$unavailableReason = null;
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$actionHeadline = '立即预约';
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$statusText = '已约' . (int) $this->booked_count . '人';
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$statusKind = 'open';
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}
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}
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$isBookable = $this->isCurrentlyBookable() && ! $alreadyReserved;
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}
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if ($alreadyReserved) {
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$isBookable = false;
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}
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$closesAtLegacy = $this->closes_at ?: $this->opens_at?->copy()->endOfDay();
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$isOpenWindow = $this->opens_at && $closesAtLegacy
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? ($this->opens_at->lte($now) && $closesAtLegacy->gte($now))
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: false;
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return [
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'id' => $this->id,
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'session_name' => (string) ($this->session_name ?? ''),
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'session_start_at' => $this->session_start_at?->format('Y-m-d H:i:s'),
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'session_end_at' => $this->session_end_at?->format('Y-m-d H:i:s'),
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'booking_deadline_at' => $this->booking_deadline_at?->format('Y-m-d H:i:s'),
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'time_display' => $timeDisplay,
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'activity_date' => $this->activity_date?->format('Y-m-d'),
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'opens_at' => $this->opens_at?->format('Y-m-d H:i:s'),
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'closes_at' => $closesAtLegacy?->format('Y-m-d H:i:s'),
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'day_quota' => (int) $this->day_quota,
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'booked_count' => (int) $this->booked_count,
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'available_count' => $available,
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'is_open' => $isOpenWindow,
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'is_bookable' => $isBookable,
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'unavailable_reason' => $unavailableReason,
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'status_text' => $statusText,
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'status_kind' => $statusKind,
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'already_reserved' => $alreadyReserved,
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'action_headline' => $actionHeadline,
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'enrolled_count_text' => $enrolledCountText,
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'booked_people_text' => $bookedPeopleText,
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];
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}
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}
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