1 files changed, 116 insertions, 0 deletions
diff --git a/src/index/routes/channels/#channel_id/index.ts b/src/index/routes/channels/#channel_id/index.ts
new file mode 100644
index 00000000..dec04006
--- /dev/null
+++ b/src/index/routes/channels/#channel_id/index.ts
@@ -0,0 +1,116 @@
+/*
+ * Fosscord: A FOSS re-implementation and extension of the Discord.com backend.
+ * Copyright (C) 2023 Fosscord and Fosscord Contributors
+ *
+ * This program 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.
+ *
+ * This program 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 this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import { Channel, Message, User } from "@fosscord/util";
+import { Request, Response, Router } from "express";
+import { route } from "@fosscord/api";
+
+const router: Router = Router();
+// TODO: delete channel
+// TODO: Get channel
+
+router.get("/", route({}), async (req: Request, res: Response) => {
+	const { channel_id } = req.params;
+	const chunk_size = Number(req.query.chunk_size) || 100;
+	if (chunk_size > 1000)
+		return res
+			.status(400)
+			.send({ message: "chunk_size must be <= 1000", code: 50035 });
+
+	// Alicia - get channel
+	const channel = await Channel.findOne({
+		where: { id: channel_id },
+		relations: ["guild"],
+	});
+	// Alicia - if channel not found, or not indexable...
+	if (!channel || !channel.indexable)
+		return res.status(404).send({
+			message: "Unknown Channel (Is it indexable?)",
+			code: 10003,
+		});
+
+	res.setHeader("Transfer-Encoding", "chunked");
+	// Alicia - base body...
+	res.write("context and info here...\n");
+
+	// Alicia - get messages
+	console.time("get channel");
+	console.log("Creating query builders...");
+	const messageQueryBuilder = await Message.createQueryBuilder();
+	const userQueryBuilder = await User.createQueryBuilder();
+	console.log(`Querying messages for channel ${channel_id}...`);
+	const msg_author_ids = await messageQueryBuilder
+		.where("channel_id = :channel_id", { channel_id })
+		.orderBy("id::int8", "DESC")
+		.select("Message.id, Message.author_id")
+		.getRawMany();
+
+	const message_ids = msg_author_ids.map((message) => message.id);
+	const author_ids = msg_author_ids.map((message) => message.author_id);
+
+	console.log(
+		`Got ${message_ids.length} messages for channel ${channel_id}...`,
+	);
+	// Alicia - get authors
+	const author_results = await userQueryBuilder
+		.where("id IN (:...ids)", {
+			ids: author_ids.unique(),
+		})
+		.distinctOn(["id"])
+		.select("User.id, User.username, User.discriminator, User.avatar")
+		.getRawMany();
+	// Alicia - turn result into dictionary
+	const authors: any = {};
+	for (const author of author_results) {
+		authors[author.User_id] = author;
+	}
+
+	console.log(
+		`Got ${author_results.length} authors for channel ${channel_id}...`,
+	);
+
+	// Alicia - write messages
+	while (message_ids.length > 0) {
+		const current_message_ids = message_ids.splice(0, chunk_size);
+		res.write(`<!-- ${message_ids.length} remain... -->\n`);
+		console.log(`${message_ids.length} remain...`);
+		const messages = await messageQueryBuilder
+			.select("*")
+			.where("id IN (:...ids)", {
+				ids: current_message_ids,
+			})
+			.getRawMany();
+		for (const message of messages) {
+			res.write(JSON.stringify(message) + "\n");
+		}
+	}
+	// message_ids.slice();
+	// for (const message_id of message_ids) {
+	// 	const message = await Message.findOne({
+	// 		where: { id: message_id + "" },
+	// 	});
+	// 	res.write(JSON.stringify(message) + "\n");
+	// 	res.write("\n");
+	// }
+
+	res.write(JSON.stringify(channel));
+	console.timeEnd("get channel");
+	res.end();
+});
+
+export default router;