app: add organization + sharing commands/queries

crates/application/tests/organization/commands/manage_album_entries.rs

@@ -0,0 +1,92 @@
+use std::sync::Arc;
+use application::testing::InMemoryAlbumRepository;
+use application::organization::{
+    AlbumAction, CreateAlbumCommand, CreateAlbumHandler,
+    ManageAlbumEntriesCommand, ManageAlbumEntriesHandler,
+};
+use domain::errors::DomainError;
+use domain::value_objects::SystemId;
+
+async fn setup_album(repo: &Arc<InMemoryAlbumRepository>, creator: SystemId) -> SystemId {
+    let handler = CreateAlbumHandler::new(repo.clone());
+    let album = handler.execute(CreateAlbumCommand {
+        title: "Test Album".into(),
+        creator_id: creator,
+    }).await.unwrap();
+    album.album_id
+}
+
+#[tokio::test]
+async fn adds_asset_to_album() {
+    let repo = Arc::new(InMemoryAlbumRepository::new());
+    let user = SystemId::new();
+    let album_id = setup_album(&repo, user).await;
+    let asset_id = SystemId::new();
+
+    let handler = ManageAlbumEntriesHandler::new(repo.clone());
+    let album = handler.execute(ManageAlbumEntriesCommand {
+        album_id,
+        action: AlbumAction::Add { asset_id },
+        user_id: user,
+    }).await.unwrap();
+
+    assert_eq!(album.asset_count(), 1);
+    assert_eq!(album.entries[0].asset_id, asset_id);
+}
+
+#[tokio::test]
+async fn removes_asset_from_album() {
+    let repo = Arc::new(InMemoryAlbumRepository::new());
+    let user = SystemId::new();
+    let album_id = setup_album(&repo, user).await;
+    let asset_id = SystemId::new();
+
+    let handler = ManageAlbumEntriesHandler::new(repo.clone());
+    handler.execute(ManageAlbumEntriesCommand {
+        album_id,
+        action: AlbumAction::Add { asset_id },
+        user_id: user,
+    }).await.unwrap();
+
+    let album = handler.execute(ManageAlbumEntriesCommand {
+        album_id,
+        action: AlbumAction::Remove { asset_id },
+        user_id: user,
+    }).await.unwrap();
+
+    assert_eq!(album.asset_count(), 0);
+}
+
+#[tokio::test]
+async fn rejects_nonexistent_album() {
+    let repo = Arc::new(InMemoryAlbumRepository::new());
+    let handler = ManageAlbumEntriesHandler::new(repo);
+    let result = handler.execute(ManageAlbumEntriesCommand {
+        album_id: SystemId::new(),
+        action: AlbumAction::Add { asset_id: SystemId::new() },
+        user_id: SystemId::new(),
+    }).await;
+    assert!(matches!(result, Err(DomainError::NotFound(_))));
+}
+
+#[tokio::test]
+async fn rejects_duplicate_add() {
+    let repo = Arc::new(InMemoryAlbumRepository::new());
+    let user = SystemId::new();
+    let album_id = setup_album(&repo, user).await;
+    let asset_id = SystemId::new();
+
+    let handler = ManageAlbumEntriesHandler::new(repo.clone());
+    handler.execute(ManageAlbumEntriesCommand {
+        album_id,
+        action: AlbumAction::Add { asset_id },
+        user_id: user,
+    }).await.unwrap();
+
+    let result = handler.execute(ManageAlbumEntriesCommand {
+        album_id,
+        action: AlbumAction::Add { asset_id },
+        user_id: user,
+    }).await;
+    assert!(matches!(result, Err(DomainError::Conflict(_))));
+}

crates/application/tests/organization/commands/mod.rs

@@ -1 +1,3 @@
 mod create_album;
+mod manage_album_entries;
+mod tag_asset;

crates/application/tests/organization/commands/tag_asset.rs

@@ -0,0 +1,81 @@
+use std::sync::Arc;
+use application::testing::{InMemoryAssetRepository, InMemoryTagRepository};
+use application::organization::{TagAssetCommand, TagAssetHandler};
+use domain::entities::{Asset, AssetType, SourceReference};
+use domain::errors::DomainError;
+use domain::ports::{AssetRepository, TagRepository};
+use domain::value_objects::{Checksum, SystemId};
+
+async fn seed_asset(repo: &Arc<InMemoryAssetRepository>) -> SystemId {
+    let owner = SystemId::new();
+    let asset = Asset::new(
+        SourceReference {
+            volume_id: SystemId::new(),
+            relative_path: "photos/test.jpg".into(),
+            checksum: Checksum::new("a".repeat(64)).unwrap(),
+        },
+        AssetType::Image,
+        "image/jpeg",
+        1024,
+        owner,
+    );
+    let id = asset.asset_id;
+    repo.save(&asset).await.unwrap();
+    id
+}
+
+#[tokio::test]
+async fn tags_asset_creates_new_tag() {
+    let asset_repo = Arc::new(InMemoryAssetRepository::new());
+    let tag_repo = Arc::new(InMemoryTagRepository::new());
+    let asset_id = seed_asset(&asset_repo).await;
+    let user = SystemId::new();
+
+    let handler = TagAssetHandler::new(asset_repo, tag_repo);
+    let (tag, asset_tag) = handler.execute(TagAssetCommand {
+        asset_id,
+        tag_name: "sunset".into(),
+        user_id: user,
+    }).await.unwrap();
+
+    assert_eq!(tag.name, "sunset");
+    assert_eq!(asset_tag.asset_id, asset_id);
+    assert_eq!(asset_tag.tag_id, tag.tag_id);
+    assert_eq!(asset_tag.tagged_by_user_id, Some(user));
+}
+
+#[tokio::test]
+async fn reuses_existing_tag() {
+    let asset_repo = Arc::new(InMemoryAssetRepository::new());
+    let tag_repo = Arc::new(InMemoryTagRepository::new());
+    let asset_id = seed_asset(&asset_repo).await;
+    let user = SystemId::new();
+
+    // Pre-create tag
+    let existing = domain::entities::Tag::new_manual("sunset");
+    let existing_id = existing.tag_id;
+    tag_repo.save_tag(&existing).await.unwrap();
+
+    let handler = TagAssetHandler::new(asset_repo, tag_repo);
+    let (tag, _) = handler.execute(TagAssetCommand {
+        asset_id,
+        tag_name: "sunset".into(),
+        user_id: user,
+    }).await.unwrap();
+
+    assert_eq!(tag.tag_id, existing_id);
+}
+
+#[tokio::test]
+async fn rejects_nonexistent_asset() {
+    let asset_repo = Arc::new(InMemoryAssetRepository::new());
+    let tag_repo = Arc::new(InMemoryTagRepository::new());
+
+    let handler = TagAssetHandler::new(asset_repo, tag_repo);
+    let result = handler.execute(TagAssetCommand {
+        asset_id: SystemId::new(),
+        tag_name: "sunset".into(),
+        user_id: SystemId::new(),
+    }).await;
+    assert!(matches!(result, Err(DomainError::NotFound(_))));
+}