81 lines
2.9 KiB
TypeScript
81 lines
2.9 KiB
TypeScript
import type { Email, EmailAttachment, EmailAttachmentKind } from "@/lib/email-data"
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/** Pièce jointe calendrier (invitation) — masquée dans la liste des messages. */
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export function isCalendarInvitationAttachment(name: string): boolean {
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return name.toLowerCase().endsWith(".ics")
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}
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/** PJ visibles dans la liste (hors fichiers .ics d’invitation). */
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export function attachmentsForEmailList(
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email: Pick<Email, "attachments" | "hasAttachment" | "hasInvitation">
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): EmailAttachment[] {
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if (email.attachments?.length) {
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return email.attachments.filter((a) => !isCalendarInvitationAttachment(a.name))
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}
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if (email.hasAttachment && email.hasInvitation !== true) {
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return [{ name: "Pièce jointe", kind: "other" }]
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}
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return []
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}
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/** Fichiers « riches » (cartes type Gmail) : PDF, images, vidéos, bureautique. */
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const RICH_PREVIEW_EXT =
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/\.(mp4|mpe?g|webm|mov|avi|mkv|m4v|wmv|flv|xls|xlsx|xlsm|ods|numbers|ppt|pptx|key|odp|doc|docx|odt|rtf)$/i
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/** Seuil « petit fichier » pour la rangée en pills (aperçu message uniquement). */
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export const ATTACHMENT_PILL_MAX_BYTES = 2 * 1024 * 1024
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export function resolveAttachmentKind(
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name: string,
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kind?: EmailAttachment["kind"]
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): EmailAttachmentKind {
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if (kind) return kind
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const lower = name.toLowerCase()
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if (lower.endsWith(".pdf")) return "pdf"
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if (/\.(png|jpe?g|gif|webp|svg|avif|bmp|heic)$/.test(lower)) return "image"
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return "other"
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}
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export function isRichPreviewAttachment(name: string, kind?: EmailAttachment["kind"]): boolean {
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const resolved = resolveAttachmentKind(name, kind)
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if (resolved === "pdf" || resolved === "image") return true
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return RICH_PREVIEW_EXT.test(name.toLowerCase())
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}
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export function isSmallEnoughForPillRow(sizeBytes?: number): boolean {
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if (sizeBytes === undefined) return true
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return sizeBytes >= 0 && sizeBytes <= ATTACHMENT_PILL_MAX_BYTES
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}
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/** Tous les fichiers simples + petits → UI pills dans l’aperçu message. */
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export function shouldUseAttachmentPillsInPreview(attachments: EmailAttachment[]): boolean {
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if (attachments.length === 0) return false
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return attachments.every(
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(a) => !isRichPreviewAttachment(a.name, a.kind) && isSmallEnoughForPillRow(a.sizeBytes)
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)
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}
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function decFr(n: number): string {
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return String(n).replace(".", ",")
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}
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export function formatAttachmentSize(sizeBytes: number): string {
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if (!Number.isFinite(sizeBytes) || sizeBytes < 0) return "—"
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if (sizeBytes < 1000) {
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return `${Math.round(sizeBytes)}\u00a0o`
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}
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const kb = sizeBytes / 1024
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if (kb < 1024) {
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const v = kb >= 10 ? Math.round(kb) : Math.round(kb * 10) / 10
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return `${decFr(v)}\u00a0Ko`
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}
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const mb = kb / 1024
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const v = mb >= 10 ? Math.round(mb) : Math.round(mb * 10) / 10
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return `${decFr(v)}\u00a0Mo`
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}
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export function attachmentPreviewTooltip(name: string, sizeBytes?: number): string {
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if (sizeBytes === undefined) return name
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return `${name}\n${formatAttachmentSize(sizeBytes)}`
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}
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