♻️ Refactor icon picker (#724)

src/tools/server/images/local-icons-repository.ts

@@ -0,0 +1,44 @@
+import fs from 'fs';
+import {
+  AbstractIconRepository,
+  NormalizedIcon,
+  NormalizedIconRepositoryResult,
+} from './abstract-icons-repository';
+
+export class LocalIconsRepository extends AbstractIconRepository {
+  constructor() {
+    super('');
+  }
+
+  protected async fetchInternally(): Promise<NormalizedIconRepositoryResult> {
+    if (!fs.existsSync('./public/icons')) {
+      return {
+        count: 0,
+        entries: [],
+        name: 'Local',
+        success: true,
+        copyright: this.copyright,
+      };
+    }
+
+    const files = fs.readdirSync('./public/icons');
+
+    const normalizedEntries = files
+      .filter((file) => ['.png', '.svg', '.jpeg', '.jpg'].some((x) => file.endsWith(x)))
+      .map(
+        (file): NormalizedIcon => ({
+          name: file,
+          url: `./icons/${file}`,
+          size: 0,
+        })
+      );
+
+    return {
+      entries: normalizedEntries,
+      count: normalizedEntries.length,
+      success: true,
+      name: 'Local',
+      copyright: this.copyright,
+    };
+  }
+}