75 lines
1.7 KiB
TypeScript
75 lines
1.7 KiB
TypeScript
import {
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audit,
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combineLatest,
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distinctUntilChanged,
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EMPTY,
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from,
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map,
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Subscription,
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} from "rxjs"
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import { doc, getDoc, getFirestore, setDoc } from "firebase/firestore"
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import {
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HoppRESTRequest,
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translateToNewRequest,
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} from "../types/HoppRESTRequest"
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import { currentUser$, HoppUser } from "./auth"
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import { restRequest$ } from "~/newstore/RESTSession"
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/**
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* Writes a request to a user's firestore sync
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*
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* @param user The user to write to
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* @param request The request to write to the request sync
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*/
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function writeCurrentRequest(user: HoppUser, request: HoppRESTRequest) {
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return setDoc(
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doc(getFirestore(), "users", user.uid, "requests", "rest"),
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request
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)
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}
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/**
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* Loads the synced request from the firestore sync
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*
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* @returns Fetched request object if exists else null
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*/
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export async function loadRequestFromSync(): Promise<HoppRESTRequest | null> {
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const currentUser = currentUser$.value
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if (!currentUser)
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throw new Error("Cannot load request from sync without login")
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const fbDoc = await getDoc(
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doc(getFirestore(), "users", currentUser.uid, "requests", "rest")
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)
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const data = fbDoc.data()
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if (!data) return null
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else return translateToNewRequest(data)
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}
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/**
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* Performs sync of the REST Request session with Firestore.
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*
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* @returns A subscription to the sync observable stream.
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* Unsubscribe to stop syncing.
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*/
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export function startRequestSync(): Subscription {
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const sub = combineLatest([
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currentUser$,
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restRequest$.pipe(distinctUntilChanged()),
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])
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.pipe(
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map(([user, request]) =>
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user ? from(writeCurrentRequest(user, request)) : EMPTY
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),
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audit((x) => x)
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)
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.subscribe(() => {
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// NOTE: This subscription should be kept
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})
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return sub
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}
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