92 lines
2.6 KiB
TypeScript
92 lines
2.6 KiB
TypeScript
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import { NDKFilter, NDKKind } from '@nostr-dev-kit/ndk'
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import { NDKContextType } from 'contexts/NDKContext'
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import { nip19 } from 'nostr-tools'
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import { LoaderFunctionArgs, redirect } from 'react-router-dom'
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import { appRoutes, getProfilePageRoute } from 'routes'
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import { store } from 'store'
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import { UserProfile, UserRelaysType } from 'types'
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import { log, LogType } from 'utils'
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export interface ProfilePageLoaderResult {
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profile: UserProfile
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isBlocked: boolean
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isOwnProfile: boolean
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}
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export const profileRouteLoader =
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(ndkContext: NDKContextType) =>
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async ({ params }: LoaderFunctionArgs) => {
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let profileRoute = appRoutes.home
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// Try to decode nprofile parameter
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const { nprofile } = params
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let profilePubkey: string | undefined
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try {
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const value = nprofile
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? nip19.decode(nprofile as `nprofile1${string}`)
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: undefined
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profilePubkey = value?.data.pubkey
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} catch (error) {
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// Silently ignore and redirect to home or logged in user
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log(true, LogType.Error, 'Failed to decode nprofile.', error)
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}
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// Get the current state
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const userState = store.getState().user
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// Redirect route
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// Redirect home if user is not logged in or profile naddr is missing
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if (!profilePubkey && userState.auth && userState.user?.pubkey) {
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// Redirect to user's profile is no profile is linked
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const userHexKey = userState.user.pubkey as string
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if (userHexKey) {
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profileRoute = getProfilePageRoute(
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nip19.nprofileEncode({
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pubkey: userHexKey
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})
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)
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}
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}
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if (!profilePubkey) return redirect(profileRoute)
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const result: ProfilePageLoaderResult = {
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profile: {},
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isBlocked: false,
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isOwnProfile: false
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}
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result.profile = await ndkContext.findMetadata(profilePubkey)
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// Check if user the user is logged in
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if (userState.auth && userState.user?.pubkey) {
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result.isOwnProfile = userState.user.pubkey === profilePubkey
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const userHexKey = userState.user.pubkey as string
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// Check if user has blocked this profile
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const muteListFilter: NDKFilter = {
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kinds: [NDKKind.MuteList],
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authors: [userHexKey]
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}
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const muteList = await ndkContext.fetchEventFromUserRelays(
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muteListFilter,
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userHexKey,
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UserRelaysType.Write
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)
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if (muteList) {
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// get a list of tags
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const tags = muteList.tags
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const blocked =
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tags.findIndex(
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(item) => item[0] === 'p' && item[1] === profilePubkey
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) !== -1
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result.isBlocked = blocked
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}
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}
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return result
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}
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