mirror of
https://github.com/Since-3/since3-portal.git
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103 lines
3.7 KiB
TypeScript
103 lines
3.7 KiB
TypeScript
import * as z from "zod";
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export const MAX_FILE_BYTES = 50 * 1024 * 1024;
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export const MAX_FILES_PER_UPLOAD = 20;
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export const DOCUMENTS_BUCKET = "client-documents";
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export const MAX_THUMBNAIL_BYTES = 512 * 1024;
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export const THUMBNAIL_MAX_EDGE = 480;
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export type Folder = {
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id: string;
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name: string;
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documentCount: number;
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};
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export type DocumentItem = {
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id: string;
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name: string;
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mimeType: string | null;
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sizeBytes: number | null;
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createdAt: string;
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thumbnailUrl: string | null;
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};
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export type FileKind = "image" | "pdf" | "text" | "spreadsheet" | "presentation" | "document" | "archive" | "video" | "audio" | "other";
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const EXTENSION_KINDS: Record<string, FileKind> = {
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png: "image", jpg: "image", jpeg: "image", gif: "image", webp: "image", svg: "image",
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pdf: "pdf",
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txt: "text", md: "text", csv: "spreadsheet", json: "text",
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xls: "spreadsheet", xlsx: "spreadsheet", ods: "spreadsheet",
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ppt: "presentation", pptx: "presentation", odp: "presentation",
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doc: "document", docx: "document", odt: "document", rtf: "document",
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zip: "archive", rar: "archive", "7z": "archive", gz: "archive",
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mp4: "video", mov: "video", webm: "video",
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mp3: "audio", wav: "audio", m4a: "audio",
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};
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export function fileKind(name: string, mimeType: string | null): FileKind {
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const extension = name.split(".").pop()?.toLowerCase() ?? "";
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if (EXTENSION_KINDS[extension]) return EXTENSION_KINDS[extension];
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if (mimeType?.startsWith("image/")) return "image";
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if (mimeType?.startsWith("video/")) return "video";
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if (mimeType?.startsWith("audio/")) return "audio";
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if (mimeType === "application/pdf") return "pdf";
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if (mimeType?.startsWith("text/")) return "text";
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return "other";
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}
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export type PreviewKind = "image" | "pdf" | "text" | "video" | "audio";
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// Vorschau richtet sich nach dem Content-Type, mit dem der Storage die Datei ausliefert – nicht nach der Endung.
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// So landet z. B. ein als ".pdf" benanntes HTML nie im Iframe. SVG (kann Skripte enthalten) nur als Download.
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const PREVIEW_TYPES: Record<string, PreviewKind> = {
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"image/png": "image",
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"image/jpeg": "image",
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"image/gif": "image",
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"image/webp": "image",
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"application/pdf": "pdf",
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"text/plain": "text",
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"text/markdown": "text",
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"text/csv": "text",
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"application/json": "text",
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"video/mp4": "video",
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"video/webm": "video",
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"video/quicktime": "video",
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"audio/mpeg": "audio",
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"audio/wav": "audio",
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"audio/mp4": "audio",
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"audio/x-m4a": "audio",
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};
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export function previewKind(mimeType: string | null): PreviewKind | null {
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if (!mimeType) return null;
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return PREVIEW_TYPES[mimeType.split(";")[0].trim().toLowerCase()] ?? null;
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}
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export function formatFileSize(bytes: number | null) {
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if (bytes === null) return "";
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if (bytes < 1024) return `${bytes} B`;
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const units = ["KB", "MB", "GB"];
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let value = bytes / 1024;
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let unit = 0;
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while (value >= 1024 && unit < units.length - 1) {
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value /= 1024;
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unit++;
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}
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return `${value.toLocaleString("de-DE", { maximumFractionDigits: value < 10 ? 1 : 0 })} ${units[unit]}`;
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}
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export const UploadFileSchema = z.object({
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name: z.string().trim().min(1).max(255),
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size: z.number().int().positive({ error: "Leere Dateien können nicht hochgeladen werden." }).max(MAX_FILE_BYTES, {
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error: "Dateien dürfen maximal 50 MB groß sein.",
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}),
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type: z.string().max(255),
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});
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export const FolderNameSchema = z
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.string()
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.trim()
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.min(1, { error: "Name ist erforderlich." })
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.max(100, { error: "Name ist zu lang." })
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.refine((value) => !/[\\/]/.test(value), { error: "Name darf keine Schrägstriche enthalten." });
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