From 75e3ede36a5a4d79ab4c0b11511574b2ed9c6f99 Mon Sep 17 00:00:00 2001
From: Meiko-S22 <mdstephens251@gmail,.com>
Date: Thu, 27 Mar 2025 17:36:05 +0000
Subject: [PATCH 1/2] feat: add Meiko lesson 10

---
 .../libraries/src/loaders/loaders.module.ts   |  3 +-
 .../src/loaders/meiko_stephens_loader.ts      | 49 +++++++++++++++++++
 2 files changed, 51 insertions(+), 1 deletion(-)
 create mode 100644 lesson_10/libraries/src/loaders/meiko_stephens_loader.ts

diff --git a/lesson_10/libraries/src/loaders/loaders.module.ts b/lesson_10/libraries/src/loaders/loaders.module.ts
index 0b2db8214..1cc1ff365 100644
--- a/lesson_10/libraries/src/loaders/loaders.module.ts
+++ b/lesson_10/libraries/src/loaders/loaders.module.ts
@@ -2,10 +2,11 @@ import { Module } from '@nestjs/common';
 
 import { AnthonyMaysLoader } from './anthony_mays_loader.js';
 import { DylanLaffertysLoader } from './dylan_lafferty_loaders.js';
+import { MeikoStephensLoader } from './meiko_stephens_loader.js';
 
 export const Loaders = Symbol.for('Loaders');
 
-const LOADER_PROVIDERS = [AnthonyMaysLoader, DylanLaffertysLoader];
+const LOADER_PROVIDERS = [AnthonyMaysLoader, DylanLaffertysLoader,MeikoStephensLoader];
 
 @Module({
   providers: [
diff --git a/lesson_10/libraries/src/loaders/meiko_stephens_loader.ts b/lesson_10/libraries/src/loaders/meiko_stephens_loader.ts
new file mode 100644
index 000000000..b0c6ea3b6
--- /dev/null
+++ b/lesson_10/libraries/src/loaders/meiko_stephens_loader.ts
@@ -0,0 +1,49 @@
+import csv from 'csv-parser';
+import fs from 'fs';
+import { Credit, MediaItem } from '../models/index.js';
+import { Loader } from './loader.js';
+
+export class MeikoStephensLoader implements Loader {
+  getLoaderName(): string {
+    return 'meikostephens';
+  }
+
+  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);
+    });
+ 
+
+    console.log(`Loaded ${credits.length} credits and ${mediaItems.length} media items`, );
+
+    return [...mediaItems.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, title, type, 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;
+  }
+}
\ No newline at end of file

From b9c3e34ded0b67b13acb25ebe5c9cc350b063455 Mon Sep 17 00:00:00 2001
From: Meiko-S22 <mdstephens251@gmail,.com>
Date: Thu, 27 Mar 2025 18:09:14 +0000
Subject: [PATCH 2/2] fix: updated lesson 10

---
 .../src/loaders/meiko_stephens_loader.ts      | 32 ++++++++++++-------
 1 file changed, 20 insertions(+), 12 deletions(-)

diff --git a/lesson_10/libraries/src/loaders/meiko_stephens_loader.ts b/lesson_10/libraries/src/loaders/meiko_stephens_loader.ts
index b0c6ea3b6..888e09e24 100644
--- a/lesson_10/libraries/src/loaders/meiko_stephens_loader.ts
+++ b/lesson_10/libraries/src/loaders/meiko_stephens_loader.ts
@@ -11,30 +11,38 @@ export class MeikoStephensLoader implements Loader {
   async loadData(): Promise<MediaItem[]> {
     const credits = await this.loadCredits();
     const mediaItems = await this.loadMediaItems();
-  const mediaMap = new Map<string, MediaItem>();
-           mediaItems.forEach((mediaItem) => {
+    const mediaMap = new Map<string, 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`, );
+    console.log(
+      `Loaded ${credits.length} credits and ${mediaItems.length} media items`,
+    );
 
-    return [...mediaItems.values( )];
+    return Array.from(mediaMap.values());
   }
 
   async loadMediaItems(): Promise<MediaItem[]> {
     const mediaItems = [];
     const readable = fs
-        .createReadStream('data/media_items.csv', 'utf-8')
-        .pipe(csv());
+      .createReadStream('data/media_items.csv', 'utf-8')
+      .pipe(csv());
     for await (const row of readable) {
-      const { id, title, type, year} = row;
-      mediaItems.push(new MediaItem(id, title, type, year,[]));
+      const { id, title, type, year } = row;
+      mediaItems.push(new MediaItem(id, title, type, year, []));
     }
     return mediaItems;
   }
 
-
   async loadCredits(): Promise<Credit[]> {
     const credits = [];
     const readable = fs
@@ -46,4 +54,4 @@ export class MeikoStephensLoader implements Loader {
     }
     return credits;
   }
-}
\ No newline at end of file
+}