initial commit

fluxer_api/src/channel/controllers/ChannelController.ts

@@ -0,0 +1,232 @@
+/*
+ * Copyright (C) 2026 Fluxer Contributors
+ *
+ * This file is part of Fluxer.
+ *
+ * Fluxer is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Fluxer is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Fluxer. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import type {Context} from 'hono';
+import type {HonoApp, HonoEnv} from '~/App';
+import {createChannelID, createUserID} from '~/BrandedTypes';
+import {ChannelTypes} from '~/Constants';
+import {ChannelUpdateRequest, mapChannelToResponse} from '~/channel/ChannelModel';
+import {DefaultUserOnly, LoginRequired} from '~/middleware/AuthMiddleware';
+import {RateLimitMiddleware} from '~/middleware/RateLimitMiddleware';
+import {RateLimitConfigs} from '~/RateLimitConfig';
+import {Int64Type, QueryBooleanType, z} from '~/Schema';
+import {Validator} from '~/Validator';
+
+export const ChannelController = (app: HonoApp) => {
+	app.get(
+		'/channels/:channel_id',
+		RateLimitMiddleware(RateLimitConfigs.CHANNEL_GET),
+		LoginRequired,
+		Validator('param', z.object({channel_id: Int64Type})),
+		async (ctx) => {
+			const userId = ctx.get('user').id;
+			const channelId = createChannelID(ctx.req.valid('param').channel_id);
+			const requestCache = ctx.get('requestCache');
+			const channel = await ctx.get('channelService').getChannel({userId, channelId});
+			return ctx.json(
+				await mapChannelToResponse({
+					channel,
+					currentUserId: userId,
+					userCacheService: ctx.get('userCacheService'),
+					requestCache,
+				}),
+			);
+		},
+	);
+
+	app.get(
+		'/channels/:channel_id/rtc-regions',
+		RateLimitMiddleware(RateLimitConfigs.CHANNEL_GET),
+		LoginRequired,
+		DefaultUserOnly,
+		Validator('param', z.object({channel_id: Int64Type})),
+		async (ctx) => {
+			const userId = ctx.get('user').id;
+			const channelId = createChannelID(ctx.req.valid('param').channel_id);
+
+			const regions = await ctx.get('channelService').getAvailableRtcRegions({
+				userId,
+				channelId,
+			});
+
+			return ctx.json(
+				regions.map((region) => ({
+					id: region.id,
+					name: region.name,
+					emoji: region.emoji,
+				})),
+			);
+		},
+	);
+
+	app.patch(
+		'/channels/:channel_id',
+		RateLimitMiddleware(RateLimitConfigs.CHANNEL_UPDATE),
+		LoginRequired,
+		Validator('param', z.object({channel_id: Int64Type})),
+		Validator('json', ChannelUpdateRequest, {
+			pre: async (raw: unknown, ctx: Context<HonoEnv>) => {
+				const userId = ctx.get('user').id;
+				// @ts-expect-error not well typed
+				const channelId = createChannelID(ctx.req.valid('param').channel_id);
+				const existing = await ctx.get('channelService').getChannel({
+					userId,
+					channelId,
+				});
+				const body = (typeof raw === 'object' && raw !== null ? raw : {}) as Record<string, unknown>;
+				return {...body, type: existing.type};
+			},
+		}),
+		async (ctx) => {
+			const userId = ctx.get('user').id;
+			const channelId = createChannelID(ctx.req.valid('param').channel_id);
+			const data = ctx.req.valid('json');
+			const requestCache = ctx.get('requestCache');
+			const channel = await ctx.get('channelService').editChannel({userId, channelId, data, requestCache});
+			return ctx.json(
+				await mapChannelToResponse({
+					channel,
+					currentUserId: userId,
+					userCacheService: ctx.get('userCacheService'),
+					requestCache,
+				}),
+			);
+		},
+	);
+
+	app.delete(
+		'/channels/:channel_id',
+		RateLimitMiddleware(RateLimitConfigs.CHANNEL_DELETE),
+		LoginRequired,
+		Validator('param', z.object({channel_id: Int64Type})),
+		Validator('query', z.object({silent: QueryBooleanType})),
+		async (ctx) => {
+			const userId = ctx.get('user').id;
+			const channelId = createChannelID(ctx.req.valid('param').channel_id);
+			const {silent} = ctx.req.valid('query');
+			const requestCache = ctx.get('requestCache');
+
+			const channel = await ctx.get('channelService').getChannel({userId, channelId});
+			if (channel.type === ChannelTypes.GROUP_DM) {
+				await ctx.get('channelService').removeRecipientFromChannel({
+					userId,
+					channelId,
+					recipientId: userId,
+					requestCache,
+					silent,
+				});
+			} else {
+				await ctx.get('channelService').deleteChannel({userId, channelId, requestCache});
+			}
+
+			return ctx.body(null, 204);
+		},
+	);
+
+	app.put(
+		'/channels/:channel_id/recipients/:user_id',
+		RateLimitMiddleware(RateLimitConfigs.CHANNEL_UPDATE),
+		LoginRequired,
+		Validator('param', z.object({channel_id: Int64Type, user_id: Int64Type})),
+		async (ctx) => {
+			const userId = ctx.get('user').id;
+			const channelId = createChannelID(ctx.req.valid('param').channel_id);
+			const recipientId = createUserID(ctx.req.valid('param').user_id);
+			const requestCache = ctx.get('requestCache');
+
+			await ctx.get('channelService').groupDms.addRecipientToChannel({
+				userId,
+				channelId,
+				recipientId,
+				requestCache,
+			});
+
+			return ctx.body(null, 204);
+		},
+	);
+
+	app.delete(
+		'/channels/:channel_id/recipients/:user_id',
+		RateLimitMiddleware(RateLimitConfigs.CHANNEL_UPDATE),
+		LoginRequired,
+		Validator('param', z.object({channel_id: Int64Type, user_id: Int64Type})),
+		Validator('query', z.object({silent: QueryBooleanType})),
+		async (ctx) => {
+			const userId = ctx.get('user').id;
+			const channelId = createChannelID(ctx.req.valid('param').channel_id);
+			const recipientId = createUserID(ctx.req.valid('param').user_id);
+			const {silent} = ctx.req.valid('query');
+			const requestCache = ctx.get('requestCache');
+			await ctx
+				.get('channelService')
+				.removeRecipientFromChannel({userId, channelId, recipientId, requestCache, silent});
+			return ctx.body(null, 204);
+		},
+	);
+
+	app.put(
+		'/channels/:channel_id/permissions/:overwrite_id',
+		RateLimitMiddleware(RateLimitConfigs.CHANNEL_UPDATE),
+		LoginRequired,
+		Validator('param', z.object({channel_id: Int64Type, overwrite_id: Int64Type})),
+		Validator(
+			'json',
+			z.object({
+				type: z.union([z.literal(0), z.literal(1)]),
+				allow: Int64Type.nullish(),
+				deny: Int64Type.nullish(),
+			}),
+		),
+		async (ctx) => {
+			const userId = ctx.get('user').id;
+			const channelId = createChannelID(ctx.req.valid('param').channel_id);
+			const overwriteId = ctx.req.valid('param').overwrite_id;
+			const data = ctx.req.valid('json');
+			const requestCache = ctx.get('requestCache');
+
+			await ctx.get('channelService').setChannelPermissionOverwrite({
+				userId,
+				channelId,
+				overwriteId,
+				overwrite: {
+					type: data.type,
+					allow_: data.allow ? data.allow : 0n,
+					deny_: data.deny ? data.deny : 0n,
+				},
+				requestCache,
+			});
+			return ctx.body(null, 204);
+		},
+	);
+
+	app.delete(
+		'/channels/:channel_id/permissions/:overwrite_id',
+		RateLimitMiddleware(RateLimitConfigs.CHANNEL_UPDATE),
+		LoginRequired,
+		Validator('param', z.object({channel_id: Int64Type, overwrite_id: Int64Type})),
+		async (ctx) => {
+			const userId = ctx.get('user').id;
+			const channelId = createChannelID(ctx.req.valid('param').channel_id);
+			const overwriteId = ctx.req.valid('param').overwrite_id;
+			const requestCache = ctx.get('requestCache');
+			await ctx.get('channelService').deleteChannelPermissionOverwrite({userId, channelId, overwriteId, requestCache});
+			return ctx.body(null, 204);
+		},
+	);
+};