hippofish/packages/backend/src/server/api/endpoints/users/following.ts
2023-04-25 18:21:15 -07:00

121 lines
2.8 KiB
TypeScript

import { IsNull } from "typeorm";
import { Users, Followings, UserProfiles } from "@/models/index.js";
import { toPunyNullable } from "@/misc/convert-host.js";
import define from "../../define.js";
import { ApiError } from "../../error.js";
import { makePaginationQuery } from "../../common/make-pagination-query.js";
export const meta = {
tags: ["users"],
requireCredential: false,
requireCredentialPrivateMode: true,
description: "Show everyone that this user is following.",
res: {
type: "array",
optional: false,
nullable: false,
items: {
type: "object",
optional: false,
nullable: false,
ref: "Following",
},
},
errors: {
noSuchUser: {
message: "No such user.",
code: "NO_SUCH_USER",
id: "63e4aba4-4156-4e53-be25-c9559e42d71b",
},
forbidden: {
message: "Forbidden.",
code: "FORBIDDEN",
id: "f6cdb0df-c19f-ec5c-7dbb-0ba84a1f92ba",
},
cannot_find: {
message: "Cannot find the following.",
code: "CANNOT_FIND",
id: "7a55f0d7-8e06-4a7e-9c77-ee7d59b25a82",
},
},
} as const;
export const paramDef = {
type: "object",
properties: {
sinceId: { type: "string", format: "misskey:id" },
untilId: { type: "string", format: "misskey:id" },
limit: { type: "integer", minimum: 1, maximum: 100, default: 10 },
},
anyOf: [
{
properties: {
userId: { type: "string", format: "misskey:id" },
},
required: ["userId"],
},
{
properties: {
username: { type: "string" },
host: {
type: "string",
nullable: true,
description: "The local host is represented with `null`.",
},
},
required: ["username", "host"],
},
],
} as const;
export default define(meta, paramDef, async (ps, me) => {
const user = await Users.findOneBy(
ps.userId != null
? { id: ps.userId }
: {
usernameLower: ps.username!.toLowerCase(),
host: toPunyNullable(ps.host) ?? IsNull(),
},
);
if (user == null) {
throw new ApiError(meta.errors.noSuchUser);
}
const profile = await UserProfiles.findOneByOrFail({ userId: user.id });
if (profile.ffVisibility === "private") {
if (me == null || me.id !== user.id) {
throw new ApiError(meta.errors.forbidden);
}
} else if (profile.ffVisibility === "followers") {
if (me == null) {
throw new ApiError(meta.errors.forbidden);
} else if (me.id !== user.id) {
const following = await Followings.findOneBy({
followeeId: user.id,
followerId: me.id,
});
if (following == null) {
throw new ApiError(meta.errors.cannot_find);
}
}
}
const query = makePaginationQuery(
Followings.createQueryBuilder("following"),
ps.sinceId,
ps.untilId,
)
.andWhere("following.followerId = :userId", { userId: user.id })
.innerJoinAndSelect("following.followee", "followee");
const followings = await query.take(ps.limit).getMany();
return await Followings.packMany(followings, me, { populateFollowee: true });
});