Jon Staab
51 lines
1.9 KiB
TypeScript
51 lines
1.9 KiB
TypeScript
import {derived, readable} from "svelte/store"
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import {PROFILE} from "@welshman/util"
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import type {Maybe} from "@welshman/lib"
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import {Profile, ProfileBuilder, displayPubkey} from "@welshman/domain"
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import {DerivedPlugin, projection} from "./base.js"
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import type {Projection} from "./base.js"
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import {Network} from "./network.js"
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import {Router} from "./router.js"
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import {Thunks} from "./thunk.js"
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import {User} from "../user.js"
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import type {IApp} from "../app.js"
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/**
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* Kind-0 profiles, keyed by pubkey. Loaded via the outbox model (the author's
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* write relays), resolved through the relay-list collection at fetch time.
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*/
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export class Profiles extends DerivedPlugin<Profile> {
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constructor(app: IApp) {
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super(app, {
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filters: [{kinds: [PROFILE]}],
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eventToItem: Profile.factory(app.user?.signer),
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getKey: profile => profile.author(),
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})
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}
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fetch(pubkey: string, relayHints: string[] = []) {
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return this.app.use(Network).loadUsingOutbox(pubkey, {kinds: [PROFILE]}, relayHints)
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}
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// Publish the app user's kind-0, merging `values` over their current profile
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// (preserving any unknown metadata fields and source tags).
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publish = async (values: Record<string, any>) => {
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const user = User.require(this.app)
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const router = this.app.use(Router)
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const relays = router.merge([router.Index(), router.FromUser()]).getUrls()
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const builder = new ProfileBuilder(this.get(user.pubkey)).update(values)
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const event = await builder.toTemplate()
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return this.app.use(Thunks).publish({event, relays})
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}
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display = (pubkey: string | undefined, ...args: any[]): Projection<string> => {
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const read = ($profile: Maybe<Profile>) =>
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pubkey ? ($profile?.display() ?? displayPubkey(pubkey)) : ""
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return projection(pubkey ? derived(this.one(pubkey, ...args), read) : readable(""), () =>
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read(pubkey ? this.get(pubkey) : undefined),
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)
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}
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}
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