Files
streamyfin/hooks/useFiles.ts
2024-08-23 08:52:16 +02:00

86 lines
2.5 KiB
TypeScript

import { BaseItemDto } from "@jellyfin/sdk/lib/generated-client/models";
import AsyncStorage from "@react-native-async-storage/async-storage";
import { useQueryClient } from "@tanstack/react-query";
import * as FileSystem from "expo-file-system";
/**
* Custom hook for managing downloaded files.
* @returns An object with functions to delete individual files and all files.
*/
export const useFiles = () => {
const queryClient = useQueryClient();
/**
* Deletes all downloaded files and clears the download record.
*/
const deleteAllFiles = async (): Promise<void> => {
const directoryUri = FileSystem.documentDirectory;
if (!directoryUri) {
console.error("Document directory is undefined");
return;
}
try {
const fileNames = await FileSystem.readDirectoryAsync(directoryUri);
await Promise.all(
fileNames.map((item) =>
FileSystem.deleteAsync(`${directoryUri}/${item}`, {
idempotent: true,
})
)
);
await AsyncStorage.removeItem("downloaded_files");
queryClient.invalidateQueries({ queryKey: ["downloaded_files"] });
queryClient.invalidateQueries({ queryKey: ["downloaded"] });
} catch (error) {
console.error("Failed to delete all files:", error);
}
};
/**
* Deletes a specific file and updates the download record.
* @param id - The ID of the file to delete.
*/
const deleteFile = async (id: string): Promise<void> => {
if (!id) {
console.error("Invalid file ID");
return;
}
try {
await FileSystem.deleteAsync(
`${FileSystem.documentDirectory}/${id}.mp4`,
{ idempotent: true }
);
const currentFiles = await getDownloadedFiles();
const updatedFiles = currentFiles.filter((f) => f.Id !== id);
await AsyncStorage.setItem(
"downloaded_files",
JSON.stringify(updatedFiles)
);
queryClient.invalidateQueries({ queryKey: ["downloaded_files"] });
} catch (error) {
console.error(`Failed to delete file with ID ${id}:`, error);
}
};
return { deleteFile, deleteAllFiles };
};
/**
* Retrieves the list of downloaded files from AsyncStorage.
* @returns An array of BaseItemDto objects representing downloaded files.
*/
async function getDownloadedFiles(): Promise<BaseItemDto[]> {
try {
const filesJson = await AsyncStorage.getItem("downloaded_files");
return filesJson ? JSON.parse(filesJson) : [];
} catch (error) {
console.error("Failed to retrieve downloaded files:", error);
return [];
}
}