feat: add image upload for avatar and banner

crates/adapters/storage/src/config.rs

@@ -0,0 +1,67 @@
+use anyhow::{Context, Result};
+use object_store::local::LocalFileSystem;
+use object_store::ObjectStore;
+use std::sync::Arc;
+
+#[derive(Debug, Clone)]
+pub struct StorageConfig {
+    pub backend: String,
+    pub local_path: Option<String>,
+    pub s3_endpoint: Option<String>,
+    pub s3_access_key_id: Option<String>,
+    pub s3_secret_access_key: Option<String>,
+    pub s3_bucket: Option<String>,
+    pub s3_region: Option<String>,
+}
+
+pub fn build_store(config: &StorageConfig) -> Result<Arc<dyn ObjectStore>> {
+    match config.backend.as_str() {
+        "local" => {
+            let path = config
+                .local_path
+                .as_deref()
+                .context("STORAGE_PATH must be set when STORAGE_BACKEND=local")?;
+            std::fs::create_dir_all(path)
+                .with_context(|| format!("failed to create storage dir: {path}"))?;
+            let store = LocalFileSystem::new_with_prefix(path)?;
+            Ok(Arc::new(store))
+        }
+        #[cfg(feature = "s3")]
+        "s3" => {
+            use object_store::aws::AmazonS3Builder;
+            let store = AmazonS3Builder::new()
+                .with_endpoint(
+                    config
+                        .s3_endpoint
+                        .as_deref()
+                        .context("S3_ENDPOINT must be set")?,
+                )
+                .with_access_key_id(
+                    config
+                        .s3_access_key_id
+                        .as_deref()
+                        .context("S3_ACCESS_KEY_ID must be set")?,
+                )
+                .with_secret_access_key(
+                    config
+                        .s3_secret_access_key
+                        .as_deref()
+                        .context("S3_SECRET_ACCESS_KEY must be set")?,
+                )
+                .with_bucket_name(
+                    config
+                        .s3_bucket
+                        .as_deref()
+                        .context("S3_BUCKET must be set")?,
+                )
+                .with_region(config.s3_region.as_deref().unwrap_or("us-east-1"))
+                .with_allow_http(true)
+                .build()?;
+            Ok(Arc::new(store))
+        }
+        other => anyhow::bail!(
+            "unknown STORAGE_BACKEND={other:?}; supported: local{}",
+            if cfg!(feature = "s3") { ", s3" } else { "" },
+        ),
+    }
+}