07ce27f20b
* Copy feed template from TailwindUI * Show all bets in a feed-like manner * Tweak design of individual trades * Allow traders to comment on their bets * Code cleanups * Incorporate contract description into the feed * Support description editing from contract feed * Group together bets placed within 24h * Fix build error * Add a feed item for market resolution * Add a feed item for markets that have closed * Comment on a separate subcollection
61 lines
1.5 KiB
TypeScript
61 lines
1.5 KiB
TypeScript
import { doc, collection, onSnapshot, setDoc } from 'firebase/firestore'
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import { db } from './init'
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import { User } from './users'
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// Currently, comments are created after the bet, not atomically with the bet.
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// They're uniquely identified by the pair contractId/betId.
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export type Comment = {
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contractId: string
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betId: string
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text: string
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createdTime: number
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// Denormalized, for rendering comments
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userName?: string
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userUsername?: string
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userAvatarUrl?: string
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}
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export async function createComment(
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contractId: string,
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betId: string,
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text: string,
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commenter: User
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) {
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const ref = doc(getCommentsCollection(contractId), betId)
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return await setDoc(ref, {
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contractId,
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betId,
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text,
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createdTime: Date.now(),
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userName: commenter.name,
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userUsername: commenter.username,
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userAvatarUrl: commenter.avatarUrl,
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})
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}
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function getCommentsCollection(contractId: string) {
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return collection(db, 'contracts', contractId, 'comments')
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}
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export function listenForComments(
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contractId: string,
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setComments: (comments: Comment[]) => void
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) {
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return onSnapshot(getCommentsCollection(contractId), (snap) => {
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const comments = snap.docs.map((doc) => doc.data() as Comment)
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comments.sort((c1, c2) => c1.createdTime - c2.createdTime)
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setComments(comments)
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})
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}
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// Return a map of betId -> comment
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export function mapCommentsByBetId(comments: Comment[]) {
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const map: Record<string, Comment> = {}
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for (const comment of comments) {
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map[comment.betId] = comment
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}
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return map
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}
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