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66 lines
1.9 KiB
TypeScript
66 lines
1.9 KiB
TypeScript
import {downloadDir} from "@tauri-apps/api/path";
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import {dialog} from "@tauri-apps/api";
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import {File} from "../../../api/models/File";
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export class FileHelper {
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/**
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* Opens a dialog to get a download location for the given file
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* @param {File} file
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*/
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public static async getFileDownloadLocation(file: File): Promise<string | undefined> {
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let extension = FileHelper.getExtensionForMime(file.mimeType);
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const downloadDirectory = await downloadDir();
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const suggestionPath = downloadDirectory + file.cd + "." + extension;
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return await dialog.save({
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defaultPath: suggestionPath,
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filters: [{
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name: file.mimeType,
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extensions: [extension ?? "*"]
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}, { name: "All", extensions: ["*"] }]
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});
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}
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/**
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* Parses a mime into its two components
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* @param {string | undefined} mimeType
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* @returns {[string, string] | undefined}
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*/
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public static parseMime(mimeType: string | undefined): [string, string] | undefined {
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if (!mimeType) {
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return undefined;
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}
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let mimeParts = mimeType.split("/");
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if (mimeParts.length < 2) {
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return undefined;
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}
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const type = mimeParts[0];
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const subtype = mimeParts[1];
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return [type, subtype];
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}
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/**
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* Returns the extension for a mime type
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* @param {string} mime
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* @returns {string | undefined}
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* @private
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*/
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public static getExtensionForMime(mime: string): string | undefined {
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let parts = mime.split("/");
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if (parts.length === 2) {
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const type = parts[0];
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const subtype = parts[1];
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return FileHelper.convertMimeSubtypeToExtension(subtype);
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}
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return undefined;
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}
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private static convertMimeSubtypeToExtension(subtype: string): string {
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return subtype;
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}
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}
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