Jon Staab
60 lines
2.3 KiB
TypeScript
60 lines
2.3 KiB
TypeScript
import {uniq} from '@welshman/lib'
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import {INBOX_RELAYS, RELAYS, getRelayTags, normalizeRelayUrl, type TrustedEvent} from '@welshman/util'
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import {type SubscribeRequest} from "@welshman/net"
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import {deriveEvents, withGetter} from '@welshman/store'
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import {env, load, repository} from './core'
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import {collection} from './collection'
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export const getRelayUrls = (event?: TrustedEvent): string[] =>
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getRelayTags(event?.tags || [])
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.map((t: string[]) => normalizeRelayUrl(t[1]))
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export const getReadRelayUrls = (event?: TrustedEvent): string[] =>
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getRelayTags(event?.tags || [])
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.filter((t: string[]) => !t[2] || t[2] === "read")
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.map((t: string[]) => normalizeRelayUrl(t[1]))
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export const getWriteRelayUrls = (event?: TrustedEvent): string[] =>
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getRelayTags(event?.tags || [])
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.filter((t: string[]) => !t[2] || t[2] === "write")
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.map((t: string[]) => normalizeRelayUrl(t[1]))
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export const relaySelections = withGetter(deriveEvents(repository, {filters: [{kinds: [RELAYS]}]}))
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export const {
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indexStore: relaySelectionsByPubkey,
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deriveItem: deriveRelaySelections,
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loadItem: loadRelaySelections,
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} = collection({
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name: "relaySelections",
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store: relaySelections,
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getKey: relaySelections => relaySelections.pubkey,
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load: (pubkey: string, request: Partial<SubscribeRequest> = {}) =>
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load({
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...request,
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filters: [{kinds: [RELAYS], authors: [pubkey]}],
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relays: [...env.BOOTSTRAP_RELAYS, ...request.relays || []],
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}),
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})
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export const getHintsForPubkey = async (pubkey: string, relays: string[] = []) =>
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uniq([...relays, ...env.BOOTSTRAP_RELAYS, ...getWriteRelayUrls(await loadRelaySelections(pubkey, {relays}))])
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export const inboxRelaySelections = withGetter(deriveEvents(repository, {filters: [{kinds: [RELAYS]}]}))
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export const {
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indexStore: inboxRelaySelectionsByPubkey,
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deriveItem: deriveInboxRelaySelections,
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loadItem: loadInboxRelaySelections,
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} = collection({
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name: "inboxRelaySelections",
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store: inboxRelaySelections,
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getKey: inboxRelaySelections => inboxRelaySelections.pubkey,
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load: async (pubkey: string, request: Partial<SubscribeRequest> = {}) =>
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load({
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...request,
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filters: [{kinds: [INBOX_RELAYS], authors: [pubkey]}],
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relays: await getHintsForPubkey(pubkey, request.relays),
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}),
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})
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