maaz519
036ed84255
Browsers report an empty file.type for files with no OS-registered MIME (esp. .md), which then went up as application/octet-stream and got rejected. Infer the type from the extension for the text types IIOS allows (md/markdown/html/ htm/txt/csv) so those attachments upload. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
51 lines
2.3 KiB
TypeScript
51 lines
2.3 KiB
TypeScript
"use client";
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// Media (attachment) helpers over the be-crm data door (crm.media.*). The browser transfers bytes
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// DIRECTLY to IIOS storage via the signed URLs — be-crm only mints them. Used by Messenger + Mail.
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import { useCallback } from "react";
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import { useAppShell } from "@abe-kap/appshell-sdk/react";
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export interface UploadedAttachment { contentRef: string; mimeType: string; sizeBytes: number; filename: string }
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export const MAX_ATTACHMENT_BYTES = 26 * 1024 * 1024; // matches IIOS's cap
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export function isImage(mime?: string | null): boolean {
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return !!mime && mime.startsWith("image/");
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}
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// Some types (notably .md) have no OS-registered MIME, so the browser reports an empty file.type.
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// Fall back to the extension for the text types IIOS allows, else a generic binary.
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const EXT_MIME: Record<string, string> = {
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md: "text/markdown", markdown: "text/markdown",
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html: "text/html", htm: "text/html",
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txt: "text/plain", csv: "text/csv",
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};
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function mimeForFile(file: File): string {
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if (file.type) return file.type;
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const ext = file.name.toLowerCase().split(".").pop() ?? "";
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return EXT_MIME[ext] ?? "application/octet-stream";
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}
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/** Upload a File → { contentRef, mimeType, sizeBytes, filename }. Throws on oversize / failure. */
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export function useUploadAttachment() {
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const { sdk } = useAppShell();
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return useCallback(async (file: File): Promise<UploadedAttachment> => {
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if (file.size > MAX_ATTACHMENT_BYTES) throw new Error("File is too large (max 25 MB).");
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const mime = mimeForFile(file);
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const { objectKey, uploadUrl } = (await sdk.command("crm.media.presignUpload", { mime, sizeBytes: file.size })) as { objectKey: string; uploadUrl: string };
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const res = await fetch(uploadUrl, { method: "PUT", body: file });
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if (!res.ok) throw new Error(`Upload failed (${res.status}).`);
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return { contentRef: objectKey, mimeType: mime, sizeBytes: file.size, filename: file.name };
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}, [sdk]);
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}
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/** Mint a short-lived signed URL to display/download an attachment by its contentRef. */
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export function useDownloadUrl() {
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const { sdk } = useAppShell();
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return useCallback(async (contentRef: string, mime?: string): Promise<string> => {
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const { url } = (await sdk.command("crm.media.presignDownload", { contentRef, ...(mime ? { mime } : {}) })) as { url: string };
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return url;
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}, [sdk]);
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}
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