1 files changed, 90 insertions, 0 deletions
diff --git a/src/plugins/keepCurrentChannel/index.ts b/src/plugins/keepCurrentChannel/index.ts
new file mode 100644
index 0000000..b226c34
--- /dev/null
+++ b/src/plugins/keepCurrentChannel/index.ts
@@ -0,0 +1,90 @@
+/*
+ * Vencord, a modification for Discord's desktop app
+ * Copyright (c) 2022 Vendicated and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+import * as DataStore from "@api/DataStore";
+import { Devs } from "@utils/constants";
+import definePlugin from "@utils/types";
+import { ChannelStore, NavigationRouter, SelectedChannelStore, SelectedGuildStore } from "@webpack/common";
+
+export interface LogoutEvent {
+    type: "LOGOUT";
+    isSwitchingAccount: boolean;
+}
+
+interface ChannelSelectEvent {
+    type: "CHANNEL_SELECT";
+    channelId: string | null;
+    guildId: string | null;
+}
+
+interface PreviousChannel {
+    guildId: string | null;
+    channelId: string | null;
+}
+
+let isSwitchingAccount = false;
+let previousCache: PreviousChannel | undefined;
+
+function attemptToNavigateToChannel(guildId: string | null, channelId: string) {
+    if (!ChannelStore.hasChannel(channelId)) return;
+    NavigationRouter.transitionTo(`/channels/${guildId ?? "@me"}/${channelId}`);
+}
+
+export default definePlugin({
+    name: "KeepCurrentChannel",
+    description: "Attempt to navigate to the channel you were in before switching accounts or loading Discord.",
+    authors: [Devs.Nuckyz],
+
+    flux: {
+        LOGOUT(e: LogoutEvent) {
+            ({ isSwitchingAccount } = e);
+        },
+
+        CONNECTION_OPEN() {
+            if (!isSwitchingAccount) return;
+            isSwitchingAccount = false;
+
+            if (previousCache?.channelId)
+                attemptToNavigateToChannel(previousCache.guildId, previousCache.channelId);
+        },
+
+        async CHANNEL_SELECT({ guildId, channelId }: ChannelSelectEvent) {
+            if (isSwitchingAccount) return;
+
+            previousCache = {
+                guildId,
+                channelId
+            };
+            await DataStore.set("KeepCurrentChannel_previousData", previousCache);
+        }
+    },
+
+    async start() {
+        previousCache = await DataStore.get<PreviousChannel>("KeepCurrentChannel_previousData");
+        if (!previousCache) {
+            previousCache = {
+                guildId: SelectedGuildStore.getGuildId(),
+                channelId: SelectedChannelStore.getChannelId() ?? null
+            };
+
+            await DataStore.set("KeepCurrentChannel_previousData", previousCache);
+        } else if (previousCache.channelId) {
+            attemptToNavigateToChannel(previousCache.guildId, previousCache.channelId);
+        }
+    }
+});