Release 0.5.10

src/lib/server/live.ts

@@ -1,5 +1,8 @@
 import { createHash, randomBytes, randomUUID } from 'node:crypto';
+import { readFile } from 'node:fs/promises';
+import path from 'node:path';
 import type Database from 'better-sqlite3';
+import { getServerPaths } from './config.js';
 import { getDatabase } from './database.js';
 import { renderMarkdown } from './markdown.js';
 import { buildEmbedUrl, fetchPresentationImage, type PresentationContent } from './presentation.js';
@@ -726,7 +729,7 @@ function getPresentationViewForShow(showId: string): PresentationView {
 	if (!state.presentation_usage_id) return { revision: state.presentation_revision, content: null };
 	const usage = database
 		.prepare(
-			`SELECT u.title_snapshot, u.output_title_snapshot, u.presentation_snapshot, u.original_piece_id,
+			`SELECT u.title_snapshot, u.output_title_snapshot, u.presentation_snapshot,
 			 u.presentation_mode_snapshot, u.presentation_source_label_snapshot,
 			 u.presentation_source_url_snapshot, u.presentation_source_timecode_snapshot,
 			 u.presentation_title_meta_snapshot, u.presentation_description_snapshot,
@@ -740,7 +743,6 @@ function getPresentationViewForShow(showId: string): PresentationView {
 				title_snapshot: string;
 				output_title_snapshot: string;
 				presentation_snapshot: string;
-				original_piece_id: string | null;
 				presentation_mode_snapshot: PresentationContent['mode'];
 				presentation_source_label_snapshot: string;
 				presentation_source_url_snapshot: string;
@@ -784,7 +786,14 @@ function getPresentationViewForShow(showId: string): PresentationView {
 				usage.presentation_source_timecode_snapshot
 			),
 			sources: [],
-			images: []
+			images: (
+				database
+					.prepare(
+						`SELECT id, alt_text FROM usage_media_snapshots
+						 WHERE usage_id = ? AND is_presentation = 1`
+					)
+					.all(state.presentation_usage_id) as { id: string; alt_text: string }[]
+			).map((media) => ({ id: media.id, altText: media.alt_text }))
 		}
 	};
 }
@@ -801,9 +810,33 @@ export async function getPresentationPreviewImage(token: string) {
 
 export async function getPresentationMedia(
 	token: string,
-	mediaId: string
+	snapshotId: string
 ): Promise<{ data: Buffer; mimeType: string; byteSize: number; altText: string } | null> {
-	void token;
-	void mediaId;
-	return null;
+	const database = getDatabase();
+	const showId = presentationShowId(database, token);
+	if (!showId || !snapshotId) return null;
+	const media = database
+		.prepare(
+			`SELECT pm.storage_name, pm.mime_type, pm.byte_size, ums.alt_text
+			 FROM show_live_states state
+			 JOIN usage_media_snapshots ums ON ums.usage_id = state.presentation_usage_id
+			 JOIN piece_usages u ON u.id = ums.usage_id
+			 JOIN show_sections s ON s.id = u.show_section_id
+			 JOIN piece_media pm ON pm.id = ums.original_media_id
+			 WHERE state.show_id = ? AND s.show_id = state.show_id
+			 AND s.is_reserve_bank = 0 AND ums.id = ? AND ums.is_presentation = 1`
+		)
+		.get(showId, snapshotId) as
+		{ storage_name: string; mime_type: string; byte_size: number; alt_text: string } | undefined;
+	if (!media) return null;
+	try {
+		return {
+			data: await readFile(path.join(getServerPaths().uploads, media.storage_name)),
+			mimeType: media.mime_type,
+			byteSize: media.byte_size,
+			altText: media.alt_text
+		};
+	} catch {
+		return null;
+	}
 }