fix: fixed merged errors in lesson 10 and added work.

lesson_10/libraries/src/loaders/justin_eklund_loader.ts

@@ -0,0 +1,60 @@
+import csv from 'csv-parser';
+import fs from 'fs';
+import { Credit, MediaItem } from '../models/index.js';
+import { Loader } from './loader.js';
+
+export class JustinEklundLoader implements Loader {
+  getLoaderName(): string {
+    return 'justineklund';
+  }
+
+  async loadData(): Promise<MediaItem[]> {
+    const credits = await this.loadCredits();
+    const mediaItems = await this.loadMediaItems();
+    const mediamap = new Map<string, MediaItem>();
+    mediaItems.forEach((mediaItem) => {
+      mediamap.set(mediaItem.getId(), mediaItem);
+    });
+    for (const mediaitem of mediaItems) {
+      mediamap.set(mediaitem.getId(), mediaitem);
+    }
+    for (const credit of credits) {
+      const mediaItem = mediamap.get(credit.getMediaItemId());
+
+      if (mediaItem) {
+        mediaItem.addCredit(credit);
+      }
+    }
+    console.log(
+      `Loaded ${credits.length} credits and ${mediaItems.length} media items`,
+    );
+
+
+    return Array.from(mediamap.values());
+  }
+
+  async loadMediaItems(): Promise<MediaItem[]> {
+    const mediaItems = [];
+    const readable = fs
+      .createReadStream('data/media_items.csv', 'utf-8')
+      .pipe(csv());
+    for await (const row of readable) {
+      const { id, type, title, year } = row;
+      mediaItems.push(new MediaItem(id, title, type, year, []));
+    }
+    return mediaItems;
+  }
+
+  async loadCredits(): Promise<Credit[]> {
+    const credits = [];
+    const readable = fs
+      .createReadStream('data/credits.csv', 'utf-8')
+      .pipe(csv());
+    for await (const row of readable) {
+      const { media_item_id, role, name } = row;
+      credits.push(new Credit(media_item_id, name, role));
+    }
+    return credits;
+  }
+}
+// got assistance from ai and copilot aswell as Meiko ,Mercedes and Dillon.

lesson_10/libraries/src/loaders/loaders.module.ts

@@ -1,16 +1,13 @@
 import { Module } from '@nestjs/common';
+import { DylanLaffertysLoader } from './dylan_lafferty_loaders.js';
 
 import { AnthonyMaysLoader } from './anthony_mays_loader.js';
-import { DylanLaffertysLoader } from './dylan_lafferty_loaders.js';
+import { JustinEklundLoader } from './justin_eklund_loader.js';
 import { MercedesMathewsLoader } from './mercedes_mathews_loader.js';
 
 export const Loaders = Symbol.for('Loaders');
 
-const LOADER_PROVIDERS = [
-  AnthonyMaysLoader,
-  DylanLaffertysLoader,
-  MercedesMathewsLoader,
-];
+const LOADER_PROVIDERS = [AnthonyMaysLoader, DylanLaffertysLoader,JustinEklundLoader, MercedesMathewsLoader];
 
 @Module({
   providers: [
@@ -24,3 +21,4 @@ const LOADER_PROVIDERS = [
   exports: [Loaders],
 })
 export class LoadersModule {}
+// got assistance from ai and copilot aswell as Meiko ,Mercedes and Dillon