63 lines
2.0 KiB
JavaScript
63 lines
2.0 KiB
JavaScript
/**
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* 识图传方报价：请求侧增量组装
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* 首次全量 drugs；同味数下只传 quote_token + drugs_patch（改了的下标），省流量
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*/
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/**
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* 比较两味报价药品是否等价（用于算 patch）
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* @param {Record<string, any>|null|undefined} a
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* @param {Record<string, any>|null|undefined} b
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*/
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export function isSameQuoteDrug(a, b) {
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if (!a || !b) return false
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return (
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Number(a.drug_id || 0) === Number(b.drug_id || 0) &&
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Number(a.number || 0) === Number(b.number || 0) &&
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Number(a.price || 0) === Number(b.price || 0) &&
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String(a.name || '') === String(b.name || '') &&
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Number(a.way_id || 0) === Number(b.way_id || 0)
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)
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}
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/**
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* 组装增量报价入参
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* @param {{
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* scalars: Record<string, any>,
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* drugs: Array<Record<string, any>>,
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* quoteToken?: string,
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* lastQuoteDrugs?: Array<Record<string, any>>|null
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* }} opts
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* @returns {{ payload: Record<string, any>, nextLastDrugs: Array<Record<string, any>> }}
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*/
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export function buildIncrementalQuotePayload(opts) {
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const scalars = opts.scalars || {}
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const drugs = Array.isArray(opts.drugs) ? opts.drugs : []
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const quoteToken = String(opts.quoteToken || '').trim()
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const prev = Array.isArray(opts.lastQuoteDrugs) ? opts.lastQuoteDrugs : null
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const payload = Object.assign({}, scalars)
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if (quoteToken) {
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payload.quote_token = quoteToken
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}
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// 无 token、味数变化、或上次快照缺失 → 全量
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if (!quoteToken || !prev || prev.length !== drugs.length) {
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payload.drugs = drugs
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return { payload, nextLastDrugs: drugs }
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}
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const patches = []
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for (let i = 0; i < drugs.length; i++) {
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if (!isSameQuoteDrug(prev[i], drugs[i])) {
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patches.push({ index: i, drug: drugs[i] })
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}
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}
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if (patches.length === 0) {
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// 只改了地址/剂数/煎法，不带 drugs
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return { payload, nextLastDrugs: prev }
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}
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if (patches.length >= drugs.length) {
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payload.drugs = drugs
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} else {
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payload.drugs_patch = patches
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}
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return { payload, nextLastDrugs: drugs }
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}
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