279 lines
11 KiB
PHP
279 lines
11 KiB
PHP
<?php
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declare(strict_types=1);
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namespace app\common\service\tcm;
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use app\adminapi\logic\stats\YejiStatsLogic;
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use think\facade\Db;
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/**
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* 诊次（第几诊）口径单点实现，复诊接诊率 / 诊单列表「复诊节点」/ 到期快照共用。
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*
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* 口径（与 RevisitRateLogic 完全一致）：
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* - 有效业务订单 E(D)：tcm_prescription_order 中 delete_time IS NULL 且 fulfillment_status IS NULL OR NOT IN (4,9,10)
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* （统一经 YejiStatsLogic::applyPrescriptionOrderNotCancelledForPerformanceQuery），按 (create_time, id) 升序；
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* - 偏移 off(D) = tcm_diagnosis.revisit_slot_start_offset 钳到 0~20；
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* - 第 n 笔有效订单的诊次 = n + off(D)；患者当前已完成诊次 current_slot = |E(D)| + off(D)；待复诊诊次 next_slot = current_slot + 1；
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* - 某时刻 t 患者处于第几诊 slot_at(D, t) = |{o : create_time(o) < t}| + off(D)（严格小于，与持有人规则 t <= ct 对偶）。
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*
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* MySQL 5.7 无窗口函数：batchCurrentSlot 先 GROUP BY 聚合，再按 (diagnosis_id, create_time) 回表，PHP 侧取 id 最大的一行。
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*/
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final class RevisitVisitSlotService
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{
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/** 偏移量上限（与 RevisitRateLogic 历史实现一致） */
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public const MAX_OFFSET = 20;
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/** 单次 SQL 的诊单分块大小 */
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private const CHUNK_SIZE = 2000;
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/**
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* 诊单订单序列源查询（与业绩口径一致），统一排序保证序号稳定。
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* 从 RevisitRateLogic::fetchOrderSeqRows 搬出，行为不变（调用方自行分块）。
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*
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* @param list<int> $diagnosisIds
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* @param list<string> $fields 需带 `o.` 别名前缀，如 ['o.id', 'o.diagnosis_id', 'o.create_time']
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*
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* @return list<array<string, mixed>>
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*/
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public static function fetchOrderSeqRows(array $diagnosisIds, array $fields): array
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{
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if ($diagnosisIds === []) {
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return [];
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}
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$q = Db::name('tcm_prescription_order')
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->alias('o')
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->whereIn('o.diagnosis_id', $diagnosisIds)
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->whereNull('o.delete_time');
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YejiStatsLogic::applyPrescriptionOrderNotCancelledForPerformanceQuery($q, 'o');
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return $q
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->field($fields)
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->order(['o.diagnosis_id' => 'asc', 'o.create_time' => 'asc', 'o.id' => 'asc'])
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->select()
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->toArray();
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}
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/**
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* 诊单 => revisit_slot_start_offset（未钳制的原始值；已软删诊单不返回）。
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* 从 RevisitRateLogic::fetchRevisitSlotStartOffsetMap 搬出，行为不变。
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*
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* @param list<int> $diagnosisIds
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*
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* @return array<int, int>
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*/
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public static function fetchRevisitSlotStartOffsetMap(array $diagnosisIds): array
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{
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if ($diagnosisIds === []) {
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return [];
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}
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$out = [];
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foreach (array_chunk($diagnosisIds, self::CHUNK_SIZE) as $chunk) {
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$rows = Db::name('tcm_diagnosis')
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->whereIn('id', $chunk)
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->whereNull('delete_time')
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->column('revisit_slot_start_offset', 'id');
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foreach ($rows as $id => $offset) {
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$out[(int) $id] = (int) $offset;
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}
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}
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return $out;
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}
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/**
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* 诊单复诊统计起始偏移（默认 0：第 1 笔实单计为一诊；统计诊次 = 实单序号 + 偏移），钳到 0~20。
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* 从 RevisitRateLogic::resolveRevisitSlotStartOffset 搬出，行为不变。
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*
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* @param array<int, int> $map diagnosis_id => offset
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*/
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public static function resolveRevisitSlotStartOffset(int $diagnosisId, array $map): int
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{
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$offset = (int) ($map[$diagnosisId] ?? 0);
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if ($offset < 0) {
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$offset = 0;
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}
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if ($offset > self::MAX_OFFSET) {
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$offset = self::MAX_OFFSET;
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}
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return $offset;
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}
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/**
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* 纯函数：时刻 atTs 之前（严格小于）的有效订单数 + 偏移 = 该时刻患者已完成的诊次。
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* 同一秒的订单视为「指派之后」，不计入（与持有人规则 t <= ct 对偶）。
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*
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* @param list<int|string> $orderCreateTimes 有效订单的 create_time 列表（顺序不限）
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*/
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public static function slotBefore(array $orderCreateTimes, int $offset, int $atTs): int
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{
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$n = 0;
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foreach ($orderCreateTimes as $ct) {
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if ((int) $ct < $atTs) {
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$n++;
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}
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}
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if ($offset < 0) {
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$offset = 0;
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}
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if ($offset > self::MAX_OFFSET) {
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$offset = self::MAX_OFFSET;
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}
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return $n + $offset;
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}
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/**
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* 某时刻患者处于第几诊（含偏移）。诊单不存在或无订单时返回偏移值。
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*/
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public static function slotAtTime(int $diagnosisId, int $ts): int
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{
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if ($diagnosisId <= 0) {
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return 0;
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}
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$offsetMap = self::fetchRevisitSlotStartOffsetMap([$diagnosisId]);
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$offset = self::resolveRevisitSlotStartOffset($diagnosisId, $offsetMap);
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$rows = self::fetchOrderSeqRows([$diagnosisId], ['o.create_time']);
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$cts = [];
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foreach ($rows as $r) {
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$cts[] = (int) ($r['create_time'] ?? 0);
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}
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return self::slotBefore($cts, $offset, $ts);
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}
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/**
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* 批量计算每个诊单的当前诊次与最新有效订单（每个入参诊单都有返回，无订单时 latest_order 为 null）。
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*
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* @param list<int> $diagnosisIds
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*
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* @return array<int, array{
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* diagnosis_id:int, offset:int, valid_order_count:int, current_slot:int, next_slot:int,
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* first_order_time:int, total_medication_days:int,
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* latest_order:null|array{id:int, order_no:string, create_time:int, medication_days:int, prescription_id:int, tracking_number:string, fulfillment_status:int|null, creator_id:int}
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* }>
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*/
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public static function batchCurrentSlot(array $diagnosisIds): array
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{
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$ids = [];
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foreach ($diagnosisIds as $id) {
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$id = (int) $id;
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if ($id > 0) {
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$ids[$id] = true;
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}
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}
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$ids = array_keys($ids);
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if ($ids === []) {
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return [];
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}
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$offsetMap = self::fetchRevisitSlotStartOffsetMap($ids);
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/** @var array<int, array{cnt:int, max_ct:int, min_ct:int, sum_days:int}> $agg */
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$agg = [];
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/** @var array<int, array<string, mixed>> $latest diagnosis_id => 最新有效订单行 */
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$latest = [];
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foreach (array_chunk($ids, self::CHUNK_SIZE) as $chunk) {
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// 1. 聚合：有效订单数 / 最新与最早下单时间 / 累计开药天数
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// 累计开药天数按「订单 medication_days ?: 处方 usage_days」逐单回落（处方剔除系统代开/作废/软删，一单对一方，不会放大行数）
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$q = Db::name('tcm_prescription_order')
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->alias('o')
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->leftJoin('tcm_prescription rx', 'rx.id = o.prescription_id AND rx.is_system_auto = 0 AND rx.void_status = 0 AND rx.delete_time IS NULL')
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->whereIn('o.diagnosis_id', $chunk)
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->whereNull('o.delete_time');
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YejiStatsLogic::applyPrescriptionOrderNotCancelledForPerformanceQuery($q, 'o');
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$aggRows = $q
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->fieldRaw('o.diagnosis_id, COUNT(*) AS cnt, MAX(o.create_time) AS max_ct, MIN(o.create_time) AS min_ct, SUM(COALESCE(NULLIF(o.medication_days, 0), NULLIF(rx.usage_days, 0), 0)) AS sum_days')
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->group('o.diagnosis_id')
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->select()
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->toArray();
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$maxCts = [];
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$chunkDiagWithOrders = [];
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foreach ($aggRows as $r) {
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$did = (int) ($r['diagnosis_id'] ?? 0);
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if ($did <= 0) {
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continue;
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}
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$maxCt = (int) ($r['max_ct'] ?? 0);
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$agg[$did] = [
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'cnt' => (int) ($r['cnt'] ?? 0),
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'max_ct' => $maxCt,
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'min_ct' => (int) ($r['min_ct'] ?? 0),
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'sum_days' => (int) ($r['sum_days'] ?? 0),
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];
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$maxCts[$maxCt] = true;
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$chunkDiagWithOrders[] = $did;
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}
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if ($chunkDiagWithOrders === []) {
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continue;
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}
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// 2. 回表：按 (diagnosis_id, create_time) 取候选行，PHP 侧过滤精确匹配并取 id 最大者
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$q2 = Db::name('tcm_prescription_order')
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->alias('o')
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->whereIn('o.diagnosis_id', $chunkDiagWithOrders)
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->whereIn('o.create_time', array_keys($maxCts))
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->whereNull('o.delete_time');
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YejiStatsLogic::applyPrescriptionOrderNotCancelledForPerformanceQuery($q2, 'o');
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$candRows = $q2
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->field([
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'o.id', 'o.order_no', 'o.diagnosis_id', 'o.create_time', 'o.medication_days',
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'o.prescription_id', 'o.tracking_number', 'o.fulfillment_status', 'o.creator_id',
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])
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->select()
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->toArray();
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foreach ($candRows as $r) {
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$did = (int) ($r['diagnosis_id'] ?? 0);
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if ($did <= 0 || !isset($agg[$did])) {
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continue;
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}
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if ((int) ($r['create_time'] ?? 0) !== $agg[$did]['max_ct']) {
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continue;
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}
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$oid = (int) ($r['id'] ?? 0);
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if (!isset($latest[$did]) || $oid > (int) ($latest[$did]['id'] ?? 0)) {
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$latest[$did] = $r;
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}
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}
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}
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$out = [];
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foreach ($ids as $did) {
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$offset = self::resolveRevisitSlotStartOffset($did, $offsetMap);
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$a = $agg[$did] ?? null;
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$cnt = $a !== null ? $a['cnt'] : 0;
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$currentSlot = $cnt + $offset;
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$lo = $latest[$did] ?? null;
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$latestOrder = null;
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if ($lo !== null) {
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$fs = $lo['fulfillment_status'] ?? null;
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$latestOrder = [
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'id' => (int) ($lo['id'] ?? 0),
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'order_no' => (string) ($lo['order_no'] ?? ''),
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'create_time' => (int) ($lo['create_time'] ?? 0),
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'medication_days' => (int) ($lo['medication_days'] ?? 0),
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'prescription_id' => (int) ($lo['prescription_id'] ?? 0),
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'tracking_number' => trim((string) ($lo['tracking_number'] ?? '')),
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'fulfillment_status' => $fs === null ? null : (int) $fs,
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'creator_id' => (int) ($lo['creator_id'] ?? 0),
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];
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}
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$out[$did] = [
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'diagnosis_id' => $did,
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'offset' => $offset,
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'valid_order_count' => $cnt,
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'current_slot' => $currentSlot,
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'next_slot' => $currentSlot + 1,
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'first_order_time' => $a !== null ? $a['min_ct'] : 0,
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'total_medication_days' => $a !== null ? $a['sum_days'] : 0,
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'latest_order' => $latestOrder,
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];
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}
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return $out;
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}
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}
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