Adding Wasabi

backend/src/storage/imageStorageConfig.ts

@@ -0,0 +1,67 @@
+export type ImageStorageProvider = 'database' | 's3';
+
+export type S3ImageStorageConfig = {
+  provider: 's3';
+  endpoint: string;
+  region: string;
+  bucket: string;
+  accessKeyId: string;
+  secretAccessKey: string;
+  publicBaseUrl: string | null;
+  keyPrefix: string;
+};
+
+const trimOptional = (value: string | undefined) => {
+  const trimmed = value?.trim();
+  return trimmed ? trimmed : null;
+};
+
+export const getImageStorageProvider = (): ImageStorageProvider =>
+  process.env.IMAGE_STORAGE_PROVIDER === 's3' ? 's3' : 'database';
+
+export const getS3ImageStorageConfig = (): S3ImageStorageConfig | null => {
+  if (getImageStorageProvider() !== 's3') {
+    return null;
+  }
+
+  const endpoint = trimOptional(process.env.S3_ENDPOINT);
+  const region = trimOptional(process.env.S3_REGION);
+  const bucket = trimOptional(process.env.S3_BUCKET);
+  const accessKeyId = trimOptional(process.env.S3_ACCESS_KEY_ID);
+  const secretAccessKey = trimOptional(process.env.S3_SECRET_ACCESS_KEY);
+
+  if (!endpoint || !region || !bucket || !accessKeyId || !secretAccessKey) {
+    return null;
+  }
+
+  return {
+    provider: 's3',
+    endpoint,
+    region,
+    bucket,
+    accessKeyId,
+    secretAccessKey,
+    publicBaseUrl: trimOptional(process.env.S3_PUBLIC_BASE_URL),
+    keyPrefix: trimOptional(process.env.S3_KEY_PREFIX) ?? 'bird-photos',
+  };
+};
+
+export const isS3ImageStorageConfigured = () => getS3ImageStorageConfig() !== null;
+
+export const buildBirdPhotoObjectKey = ({
+  workspaceId,
+  birdId,
+  extension,
+  now = new Date(),
+}: {
+  workspaceId: number;
+  birdId: string;
+  extension: string;
+  now?: Date;
+}) => {
+  const prefix = trimOptional(process.env.S3_KEY_PREFIX) ?? 'bird-photos';
+  const safeExtension = extension.replace(/^\./, '').toLowerCase() || 'bin';
+  const timestamp = now.toISOString().replace(/[:.]/g, '-');
+
+  return `${prefix}/workspace-${workspaceId}/${birdId}/${timestamp}.${safeExtension}`;
+};