88 lines
2.3 KiB
PHP
Executable File
88 lines
2.3 KiB
PHP
Executable File
<?php
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namespace app\common\service\doctor;
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/**
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* 排班时段：起止时间 + 号源间隔
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*/
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class RosterSegmentService
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{
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/**
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* 从排班记录解析 [开始 HH:mm, 结束 HH:mm]，无效返回 null
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*/
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public static function resolveWindow(array $roster): ?array
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{
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$start = isset($roster['start_time']) ? trim((string) $roster['start_time']) : '';
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$end = isset($roster['end_time']) ? trim((string) $roster['end_time']) : '';
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if ($start !== '' && $end !== ''
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&& preg_match('/^\d{2}:\d{2}$/', $start)
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&& preg_match('/^\d{2}:\d{2}$/', $end)
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&& $start < $end) {
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return [$start, $end];
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}
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$p = $roster['period'] ?? '';
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if ($p == 1 || $p === 'morning' || $p === '上午') {
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return ['09:00', '12:00'];
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}
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if ($p == 2 || $p === 'afternoon' || $p === '下午') {
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return ['14:00', '18:00'];
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}
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if ($p === 'night' || $p === '夜班' || $p === 'evening') {
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return ['18:00', '22:00'];
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}
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return null;
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}
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public static function normalizeSlotMinutes($raw): int
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{
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$n = (int) $raw;
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if ($n < 5) {
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return 15;
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}
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if ($n > 120) {
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return 120;
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}
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return $n;
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}
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/**
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* 左闭右开 [start, end) 按 slotMinutes 切分，得到每个号的开始时刻 HH:mm
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*/
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public static function generateSlotTimes(string $start, string $end, int $slotMinutes): array
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{
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$slotMinutes = self::normalizeSlotMinutes($slotMinutes);
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$base = '1970-01-01 ';
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$cur = strtotime($base . $start . ':00');
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$endTs = strtotime($base . $end . ':00');
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if ($cur === false || $endTs === false || $endTs <= $cur) {
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return [];
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}
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$times = [];
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$step = $slotMinutes * 60;
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while ($cur < $endTs) {
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$times[] = date('H:i', $cur);
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$cur += $step;
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}
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return $times;
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}
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/**
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* quota>0 时限制最大可约槽位数；quota=0 表示不限制（由时段长度决定）
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*/
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public static function applyQuotaCap(array $times, int $quota): array
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{
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if ($quota > 0 && count($times) > $quota) {
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return array_slice($times, 0, $quota);
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}
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return $times;
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}
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}
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