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219 lines
10 KiB
TypeScript
219 lines
10 KiB
TypeScript
import { Note } from "@/models/entities/note.js";
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import { ILocalUser, User } from "@/models/entities/user.js";
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import { Followings, Notes, Notifications, UserListJoinings } from "@/models/index.js";
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import { Brackets } from "typeorm";
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import { generateChannelQuery } from "@/server/api/common/generate-channel-query.js";
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import { generateRepliesQuery } from "@/server/api/common/generate-replies-query.js";
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import { generateVisibilityQuery } from "@/server/api/common/generate-visibility-query.js";
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import { generateMutedUserQuery } from "@/server/api/common/generate-muted-user-query.js";
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import { generateMutedNoteQuery } from "@/server/api/common/generate-muted-note-query.js";
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import { generateBlockedUserQuery } from "@/server/api/common/generate-block-query.js";
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import { generateMutedUserRenotesQueryForNotes } from "@/server/api/common/generated-muted-renote-query.js";
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import { fetchMeta } from "@/misc/fetch-meta.js";
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import { PaginationHelpers } from "@/server/api/mastodon/helpers/pagination.js";
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import { UserList } from "@/models/entities/user-list.js";
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import { UserHelpers } from "@/server/api/mastodon/helpers/user.js";
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import { UserConverter } from "@/server/api/mastodon/converters/user.js";
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import { NoteConverter } from "@/server/api/mastodon/converters/note.js";
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import { awaitAll } from "@/prelude/await-all.js";
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import { unique } from "@/prelude/array.js";
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import { MastoApiError } from "@/server/api/mastodon/middleware/catch-errors.js";
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import { generatePaginationData } from "@/server/api/mastodon/middleware/pagination.js";
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import { MastoContext } from "@/server/api/mastodon/index.js";
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import { generateListQuery } from "@/server/api/common/generate-list-query.js";
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import { generateFollowingQuery } from "@/server/api/common/generate-following-query.js";
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export class TimelineHelpers {
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public static async getHomeTimeline(maxId: string | undefined, sinceId: string | undefined, minId: string | undefined, limit: number = 20, ctx: MastoContext): Promise<Note[]> {
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if (limit > 40) limit = 40;
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const user = ctx.user as ILocalUser;
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const query = PaginationHelpers.makePaginationQuery(
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Notes.createQueryBuilder("note"),
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sinceId,
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maxId,
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minId
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)
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.leftJoinAndSelect("note.user", "user")
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.leftJoinAndSelect("note.renote", "renote");
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await generateFollowingQuery(query, user);
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generateListQuery(query, user);
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generateChannelQuery(query, user);
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generateRepliesQuery(query, true, user);
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generateVisibilityQuery(query, user);
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generateMutedUserQuery(query, user);
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generateMutedNoteQuery(query, user);
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generateBlockedUserQuery(query, user);
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generateMutedUserRenotesQueryForNotes(query, user);
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query.andWhere("note.visibility != 'hidden'");
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return PaginationHelpers.execQueryLinkPagination(query, limit, minId !== undefined, ctx);
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}
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public static async getPublicTimeline(maxId: string | undefined, sinceId: string | undefined, minId: string | undefined, limit: number = 20, onlyMedia: boolean = false, local: boolean = false, remote: boolean = false, ctx: MastoContext): Promise<Note[]> {
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if (limit > 40) limit = 40;
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const user = ctx.user as ILocalUser;
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if (local && remote) {
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throw new Error("local and remote are mutually exclusive options");
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}
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if (!local) {
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const m = await fetchMeta();
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if (m.disableGlobalTimeline) {
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if (user == null || !(user.isAdmin || user.isModerator)) {
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throw new Error("global timeline is disabled");
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}
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}
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}
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const query = PaginationHelpers.makePaginationQuery(
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Notes.createQueryBuilder("note"),
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sinceId,
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maxId,
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minId
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)
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.andWhere("note.visibility = 'public'");
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if (remote) query.andWhere("note.userHost IS NOT NULL");
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if (local) query.andWhere("note.userHost IS NULL");
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if (!local) query.andWhere("note.channelId IS NULL");
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query.leftJoinAndSelect("note.renote", "renote");
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generateRepliesQuery(query, true, user);
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if (user) {
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generateMutedUserQuery(query, user);
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generateMutedNoteQuery(query, user);
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generateBlockedUserQuery(query, user);
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generateMutedUserRenotesQueryForNotes(query, user);
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}
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if (onlyMedia) query.andWhere("note.fileIds != '{}'");
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return PaginationHelpers.execQueryLinkPagination(query, limit, minId !== undefined, ctx);
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}
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public static async getListTimeline(list: UserList, maxId: string | undefined, sinceId: string | undefined, minId: string | undefined, limit: number = 20, ctx: MastoContext): Promise<Note[]> {
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if (limit > 40) limit = 40;
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const user = ctx.user as ILocalUser;
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if (user.id != list.userId) throw new Error("List is not owned by user");
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const listQuery = UserListJoinings.createQueryBuilder("member")
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.select("member.userId", 'userId')
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.where("member.userListId = :listId");
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const query = PaginationHelpers.makePaginationQuery(
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Notes.createQueryBuilder("note"),
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sinceId,
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maxId,
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minId
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)
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.andWhere(`note.userId IN (${listQuery.getQuery()})`)
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.andWhere("note.visibility != 'specified'")
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.leftJoinAndSelect("note.renote", "renote")
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.setParameters({ listId: list.id });
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generateVisibilityQuery(query, user);
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return PaginationHelpers.execQueryLinkPagination(query, limit, minId !== undefined, ctx);
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}
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public static async getTagTimeline(tag: string, maxId: string | undefined, sinceId: string | undefined, minId: string | undefined, limit: number = 20, any: string[], all: string[], none: string[], onlyMedia: boolean = false, local: boolean = false, remote: boolean = false, ctx: MastoContext): Promise<Note[]> {
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if (limit > 40) limit = 40;
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const user = ctx.user as ILocalUser | null;
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if (tag.length < 1) throw new MastoApiError(400, "Tag cannot be empty");
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if (local && remote) {
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throw new Error("local and remote are mutually exclusive options");
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}
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const query = PaginationHelpers.makePaginationQuery(
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Notes.createQueryBuilder("note"),
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sinceId,
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maxId,
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minId
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)
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.andWhere("note.visibility = 'public'")
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.andWhere("note.tags @> array[:tag]::varchar[]", { tag: tag });
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if (any.length > 0) query.andWhere("note.tags && array[:...any]::varchar[]", { any: any });
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if (all.length > 0) query.andWhere("note.tags @> array[:...all]::varchar[]", { all: all });
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if (none.length > 0) query.andWhere("NOT(note.tags @> array[:...none]::varchar[])", { none: none });
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if (remote) query.andWhere("note.userHost IS NOT NULL");
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if (local) query.andWhere("note.userHost IS NULL");
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if (!local) query.andWhere("note.channelId IS NULL");
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query.leftJoinAndSelect("note.renote", "renote");
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generateRepliesQuery(query, true, user);
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if (user) {
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generateMutedUserQuery(query, user);
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generateMutedNoteQuery(query, user);
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generateBlockedUserQuery(query, user);
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generateMutedUserRenotesQueryForNotes(query, user);
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}
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if (onlyMedia) query.andWhere("note.fileIds != '{}'");
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return PaginationHelpers.execQueryLinkPagination(query, limit, minId !== undefined, ctx);
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}
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public static async getConversations(maxId: string | undefined, sinceId: string | undefined, minId: string | undefined, limit: number = 20, ctx: MastoContext): Promise<MastodonEntity.Conversation[]> {
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if (limit > 40) limit = 40;
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const user = ctx.user as ILocalUser;
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const sq = Notes.createQueryBuilder("note")
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.select("COALESCE(note.threadId, note.id)", "conversationId")
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.addSelect("note.id", "latest")
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.distinctOn(["COALESCE(note.threadId, note.id)"])
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.orderBy({ "COALESCE(note.threadId, note.id)": minId ? "ASC" : "DESC", "note.id": "DESC" })
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.andWhere("note.visibility = 'specified'")
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.andWhere(
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new Brackets(qb => {
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qb.where("note.userId = :userId");
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qb.orWhere("note.visibleUserIds @> array[:userId]::varchar[]");
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}));
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const query = PaginationHelpers.makePaginationQuery(
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Notes.createQueryBuilder("note"),
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sinceId,
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maxId,
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minId
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)
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.innerJoin(`(${sq.getQuery()})`, "sq", "note.id = sq.latest")
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.setParameters({ userId: user.id })
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return query.take(limit).getMany().then(p => {
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if (minId !== undefined) p = p.reverse();
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const conversations = p.map(c => {
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// Gather all unique IDs except for the local user
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const userIds = unique([c.userId].concat(c.visibleUserIds).filter(p => p != user.id));
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const users = userIds.map(id => UserHelpers.getUserCached(id, ctx).catch(_ => null));
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const accounts = Promise.all(users).then(u => UserConverter.encodeMany(u.filter(u => u) as User[], ctx));
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const unread = Notifications.createQueryBuilder('notification')
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.where("notification.noteId = :noteId")
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.andWhere("notification.notifieeId = :userId")
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.andWhere("notification.isRead = FALSE")
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.andWhere("notification.type IN (:...types)")
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.setParameter("noteId", c.id)
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.setParameter("userId", user.id)
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.setParameter("types", ['reply', 'mention'])
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.getExists();
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return {
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id: c.threadId ?? c.id,
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accounts: accounts.then(u => u.length > 0 ? u : UserConverter.encodeMany([user], ctx)), // failsafe to prevent apps from crashing case when all participant users have been deleted
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last_status: NoteConverter.encode(c, ctx),
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unread: unread
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}
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});
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ctx.pagination = generatePaginationData(p.map(p => p.threadId ?? p.id), limit);
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return Promise.all(conversations.map(c => awaitAll(c)));
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});
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}
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}
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