calckey/packages/backend/src/services/i/pin.ts

119 lines
2.9 KiB
TypeScript

import config from "@/config/index.js";
import renderAdd from "@/remote/activitypub/renderer/add.js";
import renderRemove from "@/remote/activitypub/renderer/remove.js";
import { renderActivity } from "@/remote/activitypub/renderer/index.js";
import { IdentifiableError } from "@/misc/identifiable-error.js";
import type { User } from "@/models/entities/user.js";
import type { Note } from "@/models/entities/note.js";
import { Notes, UserNotePinings, Users } from "@/models/index.js";
import type { UserNotePining } from "@/models/entities/user-note-pining.js";
import { genId } from "@/misc/gen-id.js";
import { deliverToFollowers } from "@/remote/activitypub/deliver-manager.js";
import { deliverToRelays } from "../relay.js";
/**
* 指定した投稿をピン留めします
* @param user
* @param noteId
*/
export async function addPinned(
user: { id: User["id"]; host: User["host"] },
noteId: Note["id"],
) {
// Fetch pinee
const note = await Notes.findOneBy({
id: noteId,
userId: user.id,
});
if (note == null) {
throw new IdentifiableError(
"70c4e51f-5bea-449c-a030-53bee3cce202",
"No such note.",
);
}
const pinings = await UserNotePinings.findBy({ userId: user.id });
if (pinings.length >= 5) {
throw new IdentifiableError(
"15a018eb-58e5-4da1-93be-330fcc5e4e1a",
"You can not pin notes any more.",
);
}
if (pinings.some((pining) => pining.noteId === note.id)) {
throw new IdentifiableError(
"23f0cf4e-59a3-4276-a91d-61a5891c1514",
"That note has already been pinned.",
);
}
await UserNotePinings.insert({
id: genId(),
createdAt: new Date(),
userId: user.id,
noteId: note.id,
} as UserNotePining);
// Deliver to remote followers
if (Users.isLocalUser(user)) {
deliverPinnedChange(user.id, note.id, true);
}
}
/**
* 指定した投稿のピン留めを解除します
* @param user
* @param noteId
*/
export async function removePinned(
user: { id: User["id"]; host: User["host"] },
noteId: Note["id"],
) {
// Fetch unpinee
const note = await Notes.findOneBy({
id: noteId,
userId: user.id,
});
if (note == null) {
throw new IdentifiableError(
"b302d4cf-c050-400a-bbb3-be208681f40c",
"No such note.",
);
}
UserNotePinings.delete({
userId: user.id,
noteId: note.id,
});
// Deliver to remote followers
if (Users.isLocalUser(user)) {
deliverPinnedChange(user.id, noteId, false);
}
}
export async function deliverPinnedChange(
userId: User["id"],
noteId: Note["id"],
isAddition: boolean,
) {
const user = await Users.findOneBy({ id: userId });
if (user == null) throw new Error("user not found");
if (!Users.isLocalUser(user)) return;
const target = `${config.url}/users/${user.id}/collections/featured`;
const item = `${config.url}/notes/${noteId}`;
const content = renderActivity(
isAddition
? renderAdd(user, target, item)
: renderRemove(user, target, item),
);
deliverToFollowers(user, content);
deliverToRelays(user, content);
}