Feat: adds lesson 10 AmiyahJonesLoader and new typescript file (#339)

* Create README.md

Accidentally removed my work the 1st time by merging

* Delete lesson_00/amiyahjones/README.md

* feat: add provider.java file
feat: create a DateProvider implementation

* fix: example code added
feat: changed provider name to my own (using my name)

* feat: added columns and their data types

* chore: spacing

* feat: created a .ts file for my loader

amiyah_jones.ts

* fix: updated example from anothony_mays_loader.ts file

* feat: test code to implement the loadMediaItems() method

* feat: testing out implementations

* feat: edits to creating an object

* fix: readable function

* fix: chnaged name to my array from movieitem to allMedia

* chore: removed //TODO comment

* fix: added quiz provider

* fix:  corrected the format to my file

* fix: back to version 5.6.2

* fix: version update for package.json

* fix: fixed order mediaItem

* chore: undo package.json changes

Signed-off-by: Anthony D. Mays <[email protected]>

---------

Signed-off-by: Anthony D. Mays <[email protected]>
Co-authored-by: AmiyahJo <[email protected]>
Co-authored-by: Anthony D. Mays <[email protected]>
Co-authored-by: Anthony D. Mays <[email protected]>

Author: 3 people

lesson_10/libraries/src/loaders/amiyah_jones.ts

@@ -0,0 +1,45 @@
+import csv from 'csv-parser';
+import fs from 'fs';
+import { Credit, MediaItem } from '../models/index.js';
+import { Loader } from './loader.js';
+
+export class AmiyahJonesLoader implements Loader {
+  getLoaderName(): string {
+    return 'amiyahjones';
+  }
+
+  async loadData(): Promise<MediaItem[]> {
+    const credits = await this.loadCredits();
+    const mediaItems = await this.loadMediaItems();
+
+    console.log(
+      `Loaded ${credits.length} credits and ${mediaItems.length} media items`,
+    );
+
+    return [...mediaItems.values()];
+  }
+
+  async loadMediaItems(): Promise<MediaItem[]> {
+    const allMedia = [];
+    const readable = fs
+      .createReadStream('data/media_items.csv', 'utf-8')
+      .pipe(csv());
+    for await (const row of readable) {
+      const { id, type, title, year } = row;
+      allMedia.push(new MediaItem(id, title, type, year, []));
+    }
+    return allMedia;
+  }
+
+  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;
+  }
+}

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

@@ -1,5 +1,6 @@
 import { Module } from '@nestjs/common';
 
+import { AmiyahJonesLoader } from './amiyah_jones.js';
 import { AngelicaCastilloLoader } from './angelica_castillo_loader.js';
 import { AnthonyMaysLoader } from './anthony_mays_loader.js';
 import { ChelseaOgbonniaLoader } from './chelsea_ogbonnia_loader.js';
@@ -15,12 +16,12 @@ import { TommyTranLoader } from './tommy_tran_loader.js';
 import { XavierCruzLoader } from './xavier_cruz_loader.js';
 import { ZionBuchananLoader } from './zion_buchanan_loader.js';
 
-
 export const Loaders = Symbol.for('Loaders');
 
 // Add your quiz provider here.
 
 const LOADER_PROVIDERS = [
+  AmiyahJonesLoader,
   AngelicaCastilloLoader,
   AnthonyMaysLoader,
   ChelseaOgbonniaLoader,