Release 2.16.0

src/data/slides.js

@@ -2,6 +2,7 @@
 
 const { fetchTemplateById } = require('#src/data/templates');
 const { parseJsonSafe, validateMaxLength } = require('#src/data/utils');
+const { normalizeLayout } = require('#src/web/public/js/shared/region-layout');
 
 const TITLE_MAX_LENGTH = 255;
 const { buildQrCodeContent } = require('#src/data/qr-code');
@@ -622,6 +623,30 @@ async function buildSlidePayload(pool, req, existingSlide) {
 
   if (template) {
     const content = await buildTemplateContent(pool, template, req.body, filesByField, existingContent);
+    const submittedLayouts = req.body.region_layouts_json;
+    let layouts = null;
+    if (submittedLayouts !== undefined) {
+      layouts = parseJsonSafe(submittedLayouts);
+      if (!layouts || typeof layouts !== 'object' || Array.isArray(layouts)) {
+        const error = new Error('Invalid slide layout.');
+        error.statusCode = 400;
+        throw error;
+      }
+    }
+    const canvas = { width: template.canvas_size_width, height: template.canvas_size_height };
+    for (const region of template.regions) {
+      const key = region.region_key;
+      const value = layouts ? (Object.hasOwn(layouts, key) ? layouts[key] : null)
+        : Number(existingSlide && existingSlide.template_id) === template.id && existingContent[key] && existingContent[key].layout;
+      if (!value) continue;
+      const layout = normalizeLayout(value, canvas);
+      if (!layout) {
+        const error = new Error('Invalid position or size for region ' + key + '.');
+        error.statusCode = 400;
+        throw error;
+      }
+      if (content[key]) content[key].layout = layout;
+    }
     await Promise.all(Object.keys(content).map(async function (regionKey) {
       const region = template.regions.find(function (item) {
         return String(item.region_key || '').trim() === regionKey;
@@ -630,7 +655,9 @@ async function buildSlidePayload(pool, req, existingSlide) {
         return;
       }
 
+      const layout = content[regionKey].layout;
       content[regionKey] = await buildQrCodeContent(content[regionKey]);
+      if (layout) content[regionKey].layout = layout;
     }));
 
     return {