first commit

src/lib/data.ts

@@ -0,0 +1,72 @@
+import { imagesDir, jsonPath } from '@/const/api';
+import { ImageMeta } from '@/interfaces/image';
+import fs from 'fs/promises';
+import path from 'path';
+
+async function ensureDataDirectoryExists(): Promise<void> {
+  try {
+    await fs.access(path.dirname(jsonPath));
+  } catch {
+    await fs.mkdir(path.dirname(jsonPath), { recursive: true });
+  }
+}
+
+export async function getImageData(): Promise<ImageMeta[]> {
+  await ensureDataDirectoryExists();
+
+  try {
+    const data = await fs.readFile(jsonPath, 'utf8');
+    return JSON.parse(data);
+  } catch {
+    await updateImageData([]);
+    return [];
+  }
+}
+
+export function stringToTags(string: string): string[] {
+  return string
+    ? string
+        .split(',')
+        .map((tag) => tag.trim())
+        .filter((t) => t !== 'All' && t.length > 0)
+    : [];
+}
+export async function updateTagsOfImageId(id: string, tags: string[]): Promise<number> {
+  const imagesData: ImageMeta[] = await getImageData();
+
+  const indexOfImage = imagesData.findIndex((i) => i.id === id);
+  if (indexOfImage === -1) {
+    return -1;
+  }
+
+  imagesData[indexOfImage].tags = tags;
+  updateImageData(imagesData);
+
+  return 0;
+}
+
+export async function deleteImageById(id: string): Promise<number> {
+  const imagesData: ImageMeta[] = await getImageData();
+
+  try {
+    const imagePath = imagesData.find((i) => i.id === id)?.relative_path;
+    if (imagePath) {
+      fs.rm(path.join(imagesDir, imagePath));
+      await updateImageData(imagesData.filter((i) => i.id !== id));
+      return 0;
+    }
+  } catch (e) {
+    console.log('Could not delete image', e);
+  }
+
+  return -1;
+}
+
+export async function addImage(newImage: ImageMeta): Promise<void> {
+  updateImageData([newImage].concat(await getImageData()));
+}
+
+async function updateImageData(newData: ImageMeta[]): Promise<void> {
+  await ensureDataDirectoryExists();
+  await fs.writeFile(jsonPath, JSON.stringify(newData, null, 2));
+}