LemmyNet/pict-rs
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Create initial trait representation for database

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Aode (lion) 2022-03-24 13:16:41 -05:00
parent 356e57e53d
commit a0c99d05eb
2 changed files with 75 additions and 0 deletions
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1
src/main.rs
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@ -39,6 +39,7 @@ mod migrate;
mod process;
mod processor;
mod range;
mod repo;
mod serde_str;
mod store;
mod tmp_file;

74
src/repo.rs Normal file
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@ -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>;
}