Function pinChat

site/src/api/queries/chats.ts:903–957

(queryClient: QueryClient)

});

export const pinChat = (queryClient: QueryClient) => ({
	mutationFn: (chatId: string) =>
		API.experimental.updateChat(chatId, { pin_order: 1 }),
	onMutate: async (chatId: string) => {
		await queryClient.cancelQueries({
			queryKey: chatsKey,
			predicate: isChatListQuery,
		});
		await queryClient.cancelQueries({
			queryKey: chatKey(chatId),
			exact: true,
		});
		const previousChat = queryClient.getQueryData<TypesGen.Chat>(
			chatKey(chatId),
		);
		const optimisticPinOrder = getNextOptimisticPinOrder(queryClient);
		updateInfiniteChatsCache(queryClient, (chats) =>
			chats.map((chat) =>
				chat.id === chatId ? { ...chat, pin_order: optimisticPinOrder } : chat,
			),
		);
		if (previousChat) {
			queryClient.setQueryData<TypesGen.Chat>(chatKey(chatId), {
				...previousChat,
				pin_order: optimisticPinOrder,
			});
		}
		return { previousChat };
	},
	onError: (
		_error: unknown,
		chatId: string,
		context:
			| {
					previousChat?: TypesGen.Chat;
			  }
			| undefined,
	) => {
		// Rollback: invalidate to re-fetch the correct state.
		void invalidateChatListQueries(queryClient);
		if (context?.previousChat) {
			queryClient.setQueryData<TypesGen.Chat>(
				chatKey(chatId),
				context.previousChat,
			);
		}
	},
	onSettled: async (_data: unknown, _error: unknown, chatId: string) => {
		await invalidateChatListQueries(queryClient);
		await queryClient.invalidateQueries({
			queryKey: chatKey(chatId),
			exact: true,
		});
	},
});

export const unpinChat = (queryClient: QueryClient) => ({
	mutationFn: (chatId: string) =>