feat: enhance media management with EXIF data extraction, metadata filtering, and storage path generation

refactor: update configuration handling to use environment variables and improve code organization

libertas_api/src/schema.rs

@@ -1,4 +1,4 @@
-use libertas_core::models::{Album, AlbumPermission};
+use libertas_core::{models::{Album, AlbumPermission, MediaMetadata}};
 use serde::{Deserialize, Serialize};
 use uuid::Uuid;
 
@@ -15,9 +15,9 @@ pub struct MediaResponse {
 pub struct ListMediaParams {
     pub sort_by: Option<String>,
     pub order: Option<String>,
-    // You can add future filters here, e.g.:
-    // pub mime_type: Option<String>,
-}
+    pub mime_type: Option<String>,
+    #[serde(default)]
+    pub metadata: Vec<String>,}
 
 #[derive(Deserialize)]
 pub struct CreateAlbumRequest {
@@ -92,4 +92,32 @@ pub struct UserResponse {
     pub id: Uuid,
     pub username: String,
     pub email: String,
-}
+}
+
+#[derive(Serialize)]
+pub struct MediaMetadataResponse {
+    pub source: String,
+    pub tag_name: String,
+    pub tag_value: String,
+}
+
+impl From<MediaMetadata> for MediaMetadataResponse {
+    fn from(metadata: MediaMetadata) -> Self {
+        Self {
+            source: metadata.source.as_str().to_string(),
+            tag_name: metadata.tag_name,
+            tag_value: metadata.tag_value,
+        }
+    }
+}
+
+#[derive(Serialize)]
+pub struct MediaDetailsResponse {
+    pub id: uuid::Uuid,
+    pub storage_path: String,
+    pub original_filename: String,
+    pub mime_type: String,
+    pub hash: String,
+    pub metadata: Vec<MediaMetadataResponse>,
+}
+