76 lines
1.9 KiB
TypeScript
76 lines
1.9 KiB
TypeScript
import "server-only"
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import deepmerge from "deepmerge"
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import merge from "deepmerge"
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import { createLogger } from "@scandic-hotels/common/logger/createLogger"
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import { request } from "./request"
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import type { CacheTime } from "@scandic-hotels/common/dataCache"
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import type { DocumentNode } from "graphql"
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import type { BatchRequestDocument } from "graphql-request"
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import type { Data } from "../types/requestData"
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export async function batchRequest<T>(
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queries: (BatchRequestDocument & {
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cacheOptions?: {
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key: string | string[]
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ttl: CacheTime
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}
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})[]
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): Promise<Data<T>> {
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const batchLogger = createLogger("graphql-batch-request")
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try {
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const response = await Promise.allSettled(
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queries.map((query) =>
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request<T>(
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query.document as string | DocumentNode,
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query.variables,
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query.cacheOptions
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)
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)
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)
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let data = {} as T
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const reasons: PromiseRejectedResult["reason"][] = []
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response.forEach((res) => {
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if (res.status === "fulfilled") {
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data = deepmerge(data, res.value.data, { arrayMerge })
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} else {
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reasons.push(res.reason)
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}
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})
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if (reasons.length) {
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reasons.forEach((reason) => {
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batchLogger.error(`Batch request failed`, reason)
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})
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}
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return { data }
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} catch (error) {
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batchLogger.error("Error in batched graphql request", error)
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throw error
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}
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}
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function arrayMerge(
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target: any[],
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source: any[],
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options: merge.ArrayMergeOptions
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) {
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const destination = target.slice()
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source.forEach((item, index) => {
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if (typeof destination[index] === "undefined") {
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destination[index] = options.cloneUnlessOtherwiseSpecified(item, options)
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} else if (options?.isMergeableObject(item)) {
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destination[index] = merge(target[index], item, options)
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} else if (target.indexOf(item) === -1) {
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destination.push(item)
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}
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})
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return destination
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}
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