83 lines
1.9 KiB
TypeScript
83 lines
1.9 KiB
TypeScript
import { addHours } from "date-fns";
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import { AttachmentPreset } from "@shared/types";
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import env from "@server/env";
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export enum Buckets {
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public = "public",
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uploads = "uploads",
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avatars = "avatars",
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}
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export default class AttachmentHelper {
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/**
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* Get the upload location for the given upload details
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*
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* @param acl The ACL to use
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* @param id The ID of the attachment
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* @param name The name of the attachment
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* @param userId The ID of the user uploading the attachment
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*/
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static getKey({
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acl,
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id,
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name,
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userId,
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}: {
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acl: string;
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id: string;
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name: string;
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userId: string;
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}) {
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const bucket = acl === "public-read" ? Buckets.public : Buckets.uploads;
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const keyPrefix = `${bucket}/${userId}/${id}`;
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return `${keyPrefix}/${name}`;
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}
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/**
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* Get the ACL to use for a given attachment preset
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*
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* @param preset The preset to use
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* @returns A valid S3 ACL
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*/
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static presetToAcl(preset: AttachmentPreset) {
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switch (preset) {
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case AttachmentPreset.Avatar:
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return "public-read";
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default:
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return env.AWS_S3_ACL;
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}
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}
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/**
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* Get the expiration time for a given attachment preset
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*
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* @param preset The preset to use
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* @returns An expiration time
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*/
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static presetToExpiry(preset: AttachmentPreset) {
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switch (preset) {
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case AttachmentPreset.Import:
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return addHours(new Date(), 24);
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default:
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return undefined;
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}
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}
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/**
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* Get the maximum upload size for a given attachment preset
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*
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* @param preset The preset to use
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* @returns The maximum upload size in bytes
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*/
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static presetToMaxUploadSize(preset: AttachmentPreset) {
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switch (preset) {
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case AttachmentPreset.Import:
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return env.MAXIMUM_IMPORT_SIZE;
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case AttachmentPreset.Avatar:
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case AttachmentPreset.DocumentAttachment:
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default:
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return env.FILE_STORAGE_UPLOAD_MAX_SIZE;
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}
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}
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}
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