Jon Staab
109 lines
3.7 KiB
TypeScript
109 lines
3.7 KiB
TypeScript
import {derived, get} from "svelte/store"
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import {not, ifLet, sample} from "@welshman/lib"
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import {getRelaysFromList, RelayMode} from "@welshman/util"
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import {
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getRelay,
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setWriteRelays,
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setReadRelays,
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setSearchRelays,
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setMessagingRelays,
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userRelayList,
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userSearchRelayList,
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userMessagingRelayList,
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} from "@welshman/app"
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import {hasNip50} from "@app/relays"
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import {DEFAULT_RELAYS, DEFAULT_MESSAGING_RELAYS} from "@app/env"
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export type HealthCheckContext = {
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readRelays: string[]
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writeRelays: string[]
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messagingRelays: string[]
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searchRelays: string[]
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}
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export type HealthCheck = {
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title: string
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description: string
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action: string
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isPending: (context: HealthCheckContext) => boolean
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apply: (context: HealthCheckContext) => unknown
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}
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export const healthCheckContext = derived(
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[userRelayList, userSearchRelayList, userMessagingRelayList],
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([$userRelayList, $userSearchRelayList, $userMessagingRelayList]) => {
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return {
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readRelays: getRelaysFromList($userRelayList, RelayMode.Read),
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writeRelays: getRelaysFromList($userRelayList, RelayMode.Write),
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searchRelays: getRelaysFromList($userSearchRelayList),
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messagingRelays: getRelaysFromList($userMessagingRelayList),
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}
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},
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)
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const healthChecks: HealthCheck[] = [
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{
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title: "Missing Inbox Relays",
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description: "Other people aren't currently able to reliably tag you in public notes.",
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action: "Update",
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isPending: context => context.readRelays.length <= 1,
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apply: () => setReadRelays(DEFAULT_RELAYS),
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},
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{
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title: "Missing Outbox Relays",
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description: "Other people aren't currently able to reliably find your public notes.",
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action: "Update",
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isPending: context => context.writeRelays.length <= 1,
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apply: () => setWriteRelays(DEFAULT_RELAYS),
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},
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{
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title: "Missing DM Relays",
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description: "You aren't currently able to reliably send or receive direct messages.",
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action: "Update",
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isPending: context => context.messagingRelays.length <= 1,
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apply: () => setMessagingRelays(DEFAULT_MESSAGING_RELAYS),
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},
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{
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title: "Too Many Inbox Relays",
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description:
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"You have more inbox relays than is really necessary, which can affect resource usage.",
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action: "Prune Selections",
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isPending: context => context.readRelays.length > 8,
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apply: context => setReadRelays(sample(5, context.readRelays)),
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},
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{
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title: "Too Many Outbox Relays",
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description:
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"You have more outbox relays than is really necessary, which can affect resource usage.",
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action: "Prune Selections",
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isPending: context => context.writeRelays.length > 8,
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apply: context => setWriteRelays(sample(5, context.writeRelays)),
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},
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{
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title: "Too Many DM Relays",
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description:
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"You have more DM relays than is really necessary, which can affect resource usage.",
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action: "Prune Selections",
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isPending: context => context.messagingRelays.length > 8,
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apply: context => setMessagingRelays(sample(5, context.messagingRelays)),
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},
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{
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title: "Invalid Search Relays",
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description: "Some of your search relays don't support search.",
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action: "Remove Invalid",
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isPending: context => context.searchRelays.some(url => not(ifLet(getRelay(url), hasNip50))),
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apply: context =>
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setSearchRelays(context.searchRelays.filter(url => ifLet(getRelay(url), hasNip50))),
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},
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]
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export const isHealthCheckPending = (healthCheck: HealthCheck) =>
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healthCheck.isPending(get(healthCheckContext))
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export const applyHealthCheck = (healthCheck: HealthCheck) =>
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healthCheck.apply(get(healthCheckContext))
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export const pendingHealthChecks = derived(healthCheckContext, ctx =>
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healthChecks.filter(hc => hc.isPending(ctx)),
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)
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