Create initial trait representation for database

src/main.rs

@@ -39,6 +39,7 @@ mod migrate;
 mod process;
 mod processor;
 mod range;
+mod repo;
 mod serde_str;
 mod store;
 mod tmp_file;

src/repo.rs

@@ -0,0 +1,74 @@
+use crate::{store::Identifier, upload_manager::Details};
+use futures_util::Stream;
+use uuid::Uuid;
+
+pub(crate) struct Alias {
+    id: Uuid,
+    extension: String,
+}
+pub(crate) struct DeleteToken {
+    id: Uuid,
+}
+pub(crate) struct AlreadyExists;
+
+#[async_trait::async_trait]
+pub(crate) trait SettingsRepo {
+    type Error: std::error::Error;
+
+    async fn set(&self, key: &'static [u8], value: Vec<u8>) -> Result<(), Self::Error>;
+    async fn get(&self, key: &'static [u8]) -> Result<Option<Vec<u8>>, Self::Error>;
+    async fn remove(&self, key: &'static [u8]) -> Result<(), Self::Error>;
+}
+
+#[async_trait::async_trait]
+pub(crate) trait IdentifierRepo<I: Identifier> {
+    type Hash: AsRef<[u8]>;
+    type Error: std::error::Error;
+
+    async fn relate_details(&self, identifier: I, details: Details) -> Result<(), Self::Error>;
+    async fn details(&self, identifier: I) -> Result<Option<Details>, Self::Error>;
+
+    async fn relate_hash(&self, identifier: I, hash: Self::Hash) -> Result<(), Self::Error>;
+    async fn hash(&self, identifier: I) -> Result<Self::Hash, Self::Error>;
+
+    async fn cleanup(&self, identifier: I) -> Result<(), Self::Error>;
+}
+
+#[async_trait::async_trait]
+pub(crate) trait HashRepo {
+    type Hash: AsRef<[u8]>;
+    type Error: std::error::Error;
+    type Stream: Stream<Item = Result<Self::Hash, Self::Error>>;
+
+    async fn hashes(&self) -> Self::Stream;
+
+    async fn create(&self, hash: Self::Hash) -> Result<Result<(), AlreadyExists>, Self::Error>;
+
+    async fn relate_alias(&self, hash: Self::Hash, alias: Alias) -> Result<(), Self::Error>;
+    async fn remove_alias(&self, hash: Self::Hash, alias: Alias) -> Result<(), Self::Error>;
+    async fn aliases(&self, hash: Self::Hash) -> Result<Vec<Alias>, Self::Error>;
+
+    async fn cleanup(&self, hash: Self::Hash) -> Result<(), Self::Error>;
+}
+
+#[async_trait::async_trait]
+pub(crate) trait AliasRepo<I: Identifier> {
+    type Hash: AsRef<[u8]>;
+    type Error: std::error::Error;
+
+    async fn create(&self, alias: Alias) -> Result<Result<(), AlreadyExists>, Self::Error>;
+
+    async fn create_delete_token(
+        &self,
+        alias: Alias,
+    ) -> Result<Result<DeleteToken, AlreadyExists>, Self::Error>;
+    async fn delete_token(&self, alias: Alias) -> Result<DeleteToken, Self::Error>;
+
+    async fn relate_hash(&self, alias: Alias, hash: Self::Hash) -> Result<(), Self::Error>;
+    async fn hash(&self, alias: Alias) -> Result<Self::Hash, Self::Error>;
+
+    async fn relate_identifier(&self, alias: Alias, identifier: I) -> Result<(), Self::Error>;
+    async fn identifier(&self, alias: Alias) -> Result<I, Self::Error>;
+
+    async fn cleanup(&self, alias: Alias) -> Result<(), Self::Error>;
+}