OV-439: generate preview for templates

backend/src/bundles/templates/templates.service.ts

@@ -1,7 +1,11 @@
 import { HTTPCode, HttpError } from '~/common/http/http.js';
+import { type ImageService } from '~/common/services/image/image.service.js';
 import { type Service } from '~/common/types/types.js';
 
-import { type UpdateVideoRequestDto } from '../videos/types/types.js';
+import {
+    type Scene,
+    type UpdateVideoRequestDto,
+} from '../videos/types/types.js';
 import { templateErrorMessage } from './enums/enums.js';
 import { TemplateEntity } from './templates.entity.js';
 import { type TemplateRepository } from './templates.repository.js';
@@ -14,9 +18,14 @@ import {
 
 class TemplateService implements Service {
     private templateRepository: TemplateRepository;
+    private imageService: ImageService;
 
-    public constructor(templateRepository: TemplateRepository) {
+    public constructor(
+        templateRepository: TemplateRepository,
+        imageService: ImageService,
+    ) {
         this.templateRepository = templateRepository;
+        this.imageService = imageService;
     }
 
     public async findById(id: string): Promise<TemplateEntity | null> {
@@ -54,7 +63,9 @@ class TemplateService implements Service {
         const { composition, name, userId } = payload;
 
         // TODO: CREATE PREVIEW
-        const compositionPreviewUrl = composition.scenes[0]?.avatar?.url ?? '';
+        const compositionPreviewUrl = await this.imageService.generatePreview(
+            composition.scenes[0] as Scene,
+        );
 
         const user = await this.templateRepository.create(
             TemplateEntity.initializeNew({
@@ -70,7 +81,7 @@ class TemplateService implements Service {
 
     public async updateTemplate(
         id: string,
-        payload: UpdateVideoRequestDto,
+        payload: UpdateVideoRequestDto & { previewUrl?: string },
         userId: string,
     ): Promise<Template> {
         const template = await this.findById(id);
@@ -82,6 +93,12 @@ class TemplateService implements Service {
             });
         }
 
+        if (payload.composition) {
+            payload.previewUrl = await this.imageService.generatePreview(
+                payload.composition.scenes[0] as Scene,
+            );
+        }
+
         return await this.update(id, payload);
     }
 

backend/src/bundles/templates/templates.ts

@@ -1,12 +1,13 @@
 import { logger } from '~/common/logger/logger.js';
+import { imageService } from '~/common/services/services.js';
 
 import { TemplateController } from './templates.controller.js';
 import { TemplateModel } from './templates.model.js';
 import { TemplateRepository } from './templates.repository.js';
 import { TemplateService } from './templates.service.js';
 
 const templateRepository = new TemplateRepository(TemplateModel);
-const templateService = new TemplateService(templateRepository);
+const templateService = new TemplateService(templateRepository, imageService);
 const templateController = new TemplateController(logger, templateService);
 
 export { templateController };

backend/src/seed-data/templates-seed.ts

@@ -8,7 +8,7 @@ const templatesSeed = [
         name: 'Landscape with Max',
         user_id: null,
         preview_url:
-            'https://speech.microsoft.com/assets/avatar/max/max-business-thumbnail.png',
+            'https://d2tm5q3cg1nlwf.cloudfront.net/preview_1727352836443.jpg',
         composition: {
             scenes: [
                 {
@@ -40,7 +40,7 @@ const templatesSeed = [
         name: 'Portrait with Lori',
         user_id: null,
         preview_url:
-            'https://speech.microsoft.com/assets/avatar/lori/lori-casual-thumbnail.png',
+            'https://d2tm5q3cg1nlwf.cloudfront.net/preview_1727352905018.jpg',
         composition: {
             scenes: [
                 {
@@ -72,7 +72,7 @@ const templatesSeed = [
         name: 'Landscape with Harry and Max',
         user_id: null,
         preview_url:
-            'https://speech.microsoft.com/assets/avatar/harry/harry-casual-thumbnail.png',
+            'https://d2tm5q3cg1nlwf.cloudfront.net/preview_1727352956648.jpg',
         composition: {
             scenes: [
                 {
@@ -123,7 +123,7 @@ const templatesSeed = [
         name: 'Portrait with Lisa',
         user_id: null,
         preview_url:
-            'https://speech.microsoft.com/assets/avatar/lisa/lisa-casual-sitting-thumbnail.png',
+            'https://d2tm5q3cg1nlwf.cloudfront.net/preview_1727353044738.jpg',
         composition: {
             scenes: [
                 {
@@ -155,7 +155,7 @@ const templatesSeed = [
         name: 'Landscape with Jeff',
         user_id: null,
         preview_url:
-            'https://speech.microsoft.com/assets/avatar/jeff/jeff-formal-thumbnail-bg.png',
+            'https://d2tm5q3cg1nlwf.cloudfront.net/preview_1727353097406.jpg',
         composition: {
             scenes: [
                 {