pict-rs/src/repo.rs

1111 lines
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Rust
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use crate::{
config,
details::Details,
store::{file_store::FileId, Identifier, StoreError},
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};
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use base64::{prelude::BASE64_STANDARD, Engine};
use futures_util::Stream;
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use std::{fmt::Debug, path::PathBuf};
use tracing::Instrument;
use uuid::Uuid;
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mod old;
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pub(crate) mod sled;
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#[derive(Clone, Debug)]
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pub(crate) enum Repo {
Sled(self::sled::SledRepo),
}
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#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
enum MaybeUuid {
Uuid(Uuid),
Name(String),
}
#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub(crate) struct Alias {
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id: MaybeUuid,
extension: Option<String>,
}
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#[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub(crate) struct DeleteToken {
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id: MaybeUuid,
}
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pub(crate) struct AlreadyExists;
#[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub(crate) struct UploadId {
id: Uuid,
}
pub(crate) enum UploadResult {
Success { alias: Alias, token: DeleteToken },
Failure { message: String },
}
#[derive(Debug, thiserror::Error)]
pub(crate) enum RepoError {
#[error("Error in sled")]
SledError(#[from] crate::repo::sled::SledError),
#[error("Upload was already claimed")]
AlreadyClaimed,
#[error("Panic in blocking operation")]
Canceled,
}
impl RepoError {
pub(crate) const fn is_missing(&self) -> bool {
match self {
Self::SledError(e) => e.is_missing(),
_ => false,
}
}
}
#[async_trait::async_trait(?Send)]
pub(crate) trait FullRepo:
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UploadRepo
+ SettingsRepo
+ IdentifierRepo
+ AliasRepo
+ QueueRepo
+ HashRepo
+ Send
+ Sync
+ Clone
+ Debug
{
async fn health_check(&self) -> Result<(), RepoError>;
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#[tracing::instrument(skip(self))]
async fn identifier_from_alias<I: Identifier + 'static>(
&self,
alias: &Alias,
) -> Result<Option<I>, StoreError> {
let Some(hash) = self.hash(alias).await? else {
return Ok(None);
};
self.identifier(hash).await.map(Some)
}
#[tracing::instrument(skip(self))]
async fn aliases_from_alias(&self, alias: &Alias) -> Result<Vec<Alias>, RepoError> {
let Some(hash) = self.hash(alias).await? else {
return Ok(vec![]);
};
self.aliases(hash).await
}
#[tracing::instrument(skip(self))]
async fn still_identifier_from_alias<I: Identifier + 'static>(
&self,
alias: &Alias,
) -> Result<Option<I>, StoreError> {
let Some(hash) = self.hash(alias).await? else {
return Ok(None);
};
let identifier = self.identifier::<I>(hash.clone()).await?;
match self.details(&identifier).await? {
Some(details) if details.is_motion() => self.motion_identifier::<I>(hash).await,
Some(_) => Ok(Some(identifier)),
None => Ok(None),
}
}
}
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#[async_trait::async_trait(?Send)]
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impl<T> FullRepo for actix_web::web::Data<T>
where
T: FullRepo,
{
async fn health_check(&self) -> Result<(), RepoError> {
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T::health_check(self).await
}
}
pub(crate) trait BaseRepo {
type Bytes: AsRef<[u8]> + From<Vec<u8>> + Clone;
}
impl<T> BaseRepo for actix_web::web::Data<T>
where
T: BaseRepo,
{
type Bytes = T::Bytes;
}
#[async_trait::async_trait(?Send)]
pub(crate) trait UploadRepo: BaseRepo {
async fn create(&self, upload_id: UploadId) -> Result<(), RepoError>;
async fn wait(&self, upload_id: UploadId) -> Result<UploadResult, RepoError>;
async fn claim(&self, upload_id: UploadId) -> Result<(), RepoError>;
async fn complete(&self, upload_id: UploadId, result: UploadResult) -> Result<(), RepoError>;
}
#[async_trait::async_trait(?Send)]
impl<T> UploadRepo for actix_web::web::Data<T>
where
T: UploadRepo,
{
async fn create(&self, upload_id: UploadId) -> Result<(), RepoError> {
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T::create(self, upload_id).await
}
async fn wait(&self, upload_id: UploadId) -> Result<UploadResult, RepoError> {
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T::wait(self, upload_id).await
}
async fn claim(&self, upload_id: UploadId) -> Result<(), RepoError> {
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T::claim(self, upload_id).await
}
async fn complete(&self, upload_id: UploadId, result: UploadResult) -> Result<(), RepoError> {
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T::complete(self, upload_id, result).await
}
}
#[async_trait::async_trait(?Send)]
pub(crate) trait QueueRepo: BaseRepo {
async fn requeue_in_progress(&self, worker_prefix: Vec<u8>) -> Result<(), RepoError>;
async fn push(&self, queue: &'static str, job: Self::Bytes) -> Result<(), RepoError>;
async fn pop(&self, queue: &'static str, worker_id: Vec<u8>) -> Result<Self::Bytes, RepoError>;
}
#[async_trait::async_trait(?Send)]
impl<T> QueueRepo for actix_web::web::Data<T>
where
T: QueueRepo,
{
async fn requeue_in_progress(&self, worker_prefix: Vec<u8>) -> Result<(), RepoError> {
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T::requeue_in_progress(self, worker_prefix).await
}
async fn push(&self, queue: &'static str, job: Self::Bytes) -> Result<(), RepoError> {
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T::push(self, queue, job).await
}
async fn pop(&self, queue: &'static str, worker_id: Vec<u8>) -> Result<Self::Bytes, RepoError> {
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T::pop(self, queue, worker_id).await
}
}
#[async_trait::async_trait(?Send)]
pub(crate) trait SettingsRepo: BaseRepo {
async fn set(&self, key: &'static str, value: Self::Bytes) -> Result<(), RepoError>;
async fn get(&self, key: &'static str) -> Result<Option<Self::Bytes>, RepoError>;
async fn remove(&self, key: &'static str) -> Result<(), RepoError>;
}
#[async_trait::async_trait(?Send)]
impl<T> SettingsRepo for actix_web::web::Data<T>
where
T: SettingsRepo,
{
async fn set(&self, key: &'static str, value: Self::Bytes) -> Result<(), RepoError> {
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T::set(self, key, value).await
}
async fn get(&self, key: &'static str) -> Result<Option<Self::Bytes>, RepoError> {
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T::get(self, key).await
}
async fn remove(&self, key: &'static str) -> Result<(), RepoError> {
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T::remove(self, key).await
}
}
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#[async_trait::async_trait(?Send)]
pub(crate) trait IdentifierRepo: BaseRepo {
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async fn relate_details<I: Identifier>(
&self,
identifier: &I,
details: &Details,
) -> Result<(), StoreError>;
async fn details<I: Identifier>(&self, identifier: &I) -> Result<Option<Details>, StoreError>;
async fn cleanup<I: Identifier>(&self, identifier: &I) -> Result<(), StoreError>;
}
#[async_trait::async_trait(?Send)]
impl<T> IdentifierRepo for actix_web::web::Data<T>
where
T: IdentifierRepo,
{
async fn relate_details<I: Identifier>(
&self,
identifier: &I,
details: &Details,
) -> Result<(), StoreError> {
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T::relate_details(self, identifier, details).await
}
async fn details<I: Identifier>(&self, identifier: &I) -> Result<Option<Details>, StoreError> {
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T::details(self, identifier).await
}
async fn cleanup<I: Identifier>(&self, identifier: &I) -> Result<(), StoreError> {
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T::cleanup(self, identifier).await
}
}
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#[async_trait::async_trait(?Send)]
pub(crate) trait HashRepo: BaseRepo {
type Stream: Stream<Item = Result<Self::Bytes, RepoError>>;
async fn size(&self) -> Result<u64, RepoError>;
async fn hashes(&self) -> Self::Stream;
async fn create(&self, hash: Self::Bytes) -> Result<Result<(), AlreadyExists>, RepoError>;
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async fn relate_alias(&self, hash: Self::Bytes, alias: &Alias) -> Result<(), RepoError>;
async fn remove_alias(&self, hash: Self::Bytes, alias: &Alias) -> Result<(), RepoError>;
async fn aliases(&self, hash: Self::Bytes) -> Result<Vec<Alias>, RepoError>;
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async fn relate_identifier<I: Identifier>(
&self,
hash: Self::Bytes,
identifier: &I,
) -> Result<(), StoreError>;
async fn identifier<I: Identifier + 'static>(&self, hash: Self::Bytes)
-> Result<I, StoreError>;
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async fn relate_variant_identifier<I: Identifier>(
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&self,
hash: Self::Bytes,
variant: String,
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identifier: &I,
) -> Result<(), StoreError>;
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async fn variant_identifier<I: Identifier + 'static>(
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&self,
hash: Self::Bytes,
variant: String,
) -> Result<Option<I>, StoreError>;
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async fn variants<I: Identifier + 'static>(
&self,
hash: Self::Bytes,
) -> Result<Vec<(String, I)>, StoreError>;
async fn remove_variant(&self, hash: Self::Bytes, variant: String) -> Result<(), RepoError>;
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async fn relate_motion_identifier<I: Identifier>(
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&self,
hash: Self::Bytes,
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identifier: &I,
) -> Result<(), StoreError>;
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async fn motion_identifier<I: Identifier + 'static>(
&self,
hash: Self::Bytes,
) -> Result<Option<I>, StoreError>;
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async fn cleanup(&self, hash: Self::Bytes) -> Result<(), RepoError>;
}
#[async_trait::async_trait(?Send)]
impl<T> HashRepo for actix_web::web::Data<T>
where
T: HashRepo,
{
type Stream = T::Stream;
async fn size(&self) -> Result<u64, RepoError> {
T::size(self).await
}
async fn hashes(&self) -> Self::Stream {
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T::hashes(self).await
}
async fn create(&self, hash: Self::Bytes) -> Result<Result<(), AlreadyExists>, RepoError> {
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T::create(self, hash).await
}
async fn relate_alias(&self, hash: Self::Bytes, alias: &Alias) -> Result<(), RepoError> {
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T::relate_alias(self, hash, alias).await
}
async fn remove_alias(&self, hash: Self::Bytes, alias: &Alias) -> Result<(), RepoError> {
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T::remove_alias(self, hash, alias).await
}
async fn aliases(&self, hash: Self::Bytes) -> Result<Vec<Alias>, RepoError> {
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T::aliases(self, hash).await
}
async fn relate_identifier<I: Identifier>(
&self,
hash: Self::Bytes,
identifier: &I,
) -> Result<(), StoreError> {
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T::relate_identifier(self, hash, identifier).await
}
async fn identifier<I: Identifier + 'static>(
&self,
hash: Self::Bytes,
) -> Result<I, StoreError> {
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T::identifier(self, hash).await
}
async fn relate_variant_identifier<I: Identifier>(
&self,
hash: Self::Bytes,
variant: String,
identifier: &I,
) -> Result<(), StoreError> {
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T::relate_variant_identifier(self, hash, variant, identifier).await
}
async fn variant_identifier<I: Identifier + 'static>(
&self,
hash: Self::Bytes,
variant: String,
) -> Result<Option<I>, StoreError> {
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T::variant_identifier(self, hash, variant).await
}
async fn variants<I: Identifier + 'static>(
&self,
hash: Self::Bytes,
) -> Result<Vec<(String, I)>, StoreError> {
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T::variants(self, hash).await
}
async fn remove_variant(&self, hash: Self::Bytes, variant: String) -> Result<(), RepoError> {
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T::remove_variant(self, hash, variant).await
}
async fn relate_motion_identifier<I: Identifier>(
&self,
hash: Self::Bytes,
identifier: &I,
) -> Result<(), StoreError> {
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T::relate_motion_identifier(self, hash, identifier).await
}
async fn motion_identifier<I: Identifier + 'static>(
&self,
hash: Self::Bytes,
) -> Result<Option<I>, StoreError> {
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T::motion_identifier(self, hash).await
}
async fn cleanup(&self, hash: Self::Bytes) -> Result<(), RepoError> {
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T::cleanup(self, hash).await
}
}
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#[async_trait::async_trait(?Send)]
pub(crate) trait AliasRepo: BaseRepo {
async fn create(&self, alias: &Alias) -> Result<Result<(), AlreadyExists>, RepoError>;
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async fn relate_delete_token(
&self,
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alias: &Alias,
delete_token: &DeleteToken,
) -> Result<Result<(), AlreadyExists>, RepoError>;
async fn delete_token(&self, alias: &Alias) -> Result<DeleteToken, RepoError>;
async fn relate_hash(&self, alias: &Alias, hash: Self::Bytes) -> Result<(), RepoError>;
async fn hash(&self, alias: &Alias) -> Result<Option<Self::Bytes>, RepoError>;
async fn cleanup(&self, alias: &Alias) -> Result<(), RepoError>;
}
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#[async_trait::async_trait(?Send)]
impl<T> AliasRepo for actix_web::web::Data<T>
where
T: AliasRepo,
{
async fn create(&self, alias: &Alias) -> Result<Result<(), AlreadyExists>, RepoError> {
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T::create(self, alias).await
}
async fn relate_delete_token(
&self,
alias: &Alias,
delete_token: &DeleteToken,
) -> Result<Result<(), AlreadyExists>, RepoError> {
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T::relate_delete_token(self, alias, delete_token).await
}
async fn delete_token(&self, alias: &Alias) -> Result<DeleteToken, RepoError> {
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T::delete_token(self, alias).await
}
async fn relate_hash(&self, alias: &Alias, hash: Self::Bytes) -> Result<(), RepoError> {
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T::relate_hash(self, alias, hash).await
}
async fn hash(&self, alias: &Alias) -> Result<Option<Self::Bytes>, RepoError> {
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T::hash(self, alias).await
}
async fn cleanup(&self, alias: &Alias) -> Result<(), RepoError> {
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T::cleanup(self, alias).await
}
}
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impl Repo {
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pub(crate) fn open(config: config::Repo) -> color_eyre::Result<Self> {
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match config {
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config::Repo::Sled(config::Sled {
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mut path,
cache_capacity,
}) => {
path.push("v0.4.0-alpha.1");
let db = ::sled::Config::new()
.cache_capacity(cache_capacity)
.path(path)
.open()?;
Ok(Self::Sled(self::sled::SledRepo::new(db)?))
}
}
}
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pub(crate) async fn migrate_from_db(&self, path: PathBuf) -> color_eyre::Result<()> {
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if self.has_migrated().await? {
return Ok(());
}
if let Some(old) = self::old::Old::open(path)? {
let span = tracing::warn_span!("Migrating Database from 0.3 layout to 0.4 layout");
match self {
Self::Sled(repo) => {
async {
for hash in old.hashes() {
if let Err(e) = migrate_hash(repo, &old, hash).await {
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tracing::error!("Failed to migrate hash: {}", format!("{e:?}"));
}
}
if let Ok(Some(value)) = old.setting(STORE_MIGRATION_PROGRESS.as_bytes()) {
tracing::warn!("Setting STORE_MIGRATION_PROGRESS");
let _ = repo.set(STORE_MIGRATION_PROGRESS, value).await;
}
if let Ok(Some(value)) = old.setting(GENERATOR_KEY.as_bytes()) {
tracing::warn!("Setting GENERATOR_KEY");
let _ = repo.set(GENERATOR_KEY, value).await;
}
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}
.instrument(span)
.await;
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}
}
}
self.mark_migrated().await?;
Ok(())
}
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pub(crate) async fn migrate_identifiers(&self) -> color_eyre::Result<()> {
if self.has_migrated_identifiers().await? {
return Ok(());
}
let span = tracing::warn_span!("Migrating File Identifiers from 0.3 format to 0.4 format");
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match self {
Self::Sled(repo) => {
async {
use futures_util::StreamExt;
let mut hashes = repo.hashes().await;
while let Some(res) = hashes.next().await {
let hash = res?;
if let Err(e) = migrate_identifiers_for_hash(repo, hash).await {
tracing::error!(
"Failed to migrate identifiers for hash: {}",
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format!("{e:?}")
);
}
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}
Ok(()) as color_eyre::Result<()>
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}
.instrument(span)
.await?;
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}
}
self.mark_migrated_identifiers().await?;
Ok(())
}
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async fn has_migrated(&self) -> color_eyre::Result<bool> {
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match self {
Self::Sled(repo) => Ok(repo.get(REPO_MIGRATION_O1).await?.is_some()),
}
}
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async fn has_migrated_identifiers(&self) -> color_eyre::Result<bool> {
match self {
Self::Sled(repo) => Ok(repo.get(REPO_MIGRATION_02).await?.is_some()),
}
}
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async fn mark_migrated(&self) -> color_eyre::Result<()> {
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match self {
Self::Sled(repo) => {
repo.set(REPO_MIGRATION_O1, b"1".to_vec().into()).await?;
}
}
Ok(())
}
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async fn mark_migrated_identifiers(&self) -> color_eyre::Result<()> {
match self {
Self::Sled(repo) => {
repo.set(REPO_MIGRATION_02, b"1".to_vec().into()).await?;
}
}
Ok(())
}
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}
const REPO_MIGRATION_O1: &str = "repo-migration-01";
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const REPO_MIGRATION_02: &str = "repo-migration-02";
const STORE_MIGRATION_PROGRESS: &str = "store-migration-progress";
const GENERATOR_KEY: &str = "last-path";
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#[tracing::instrument(skip(repo, hash), fields(hash = hex::encode(&hash)))]
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async fn migrate_identifiers_for_hash<T>(repo: &T, hash: ::sled::IVec) -> color_eyre::Result<()>
where
T: FullRepo,
{
let hash: T::Bytes = hash.to_vec().into();
if let Some(motion_identifier) = repo.motion_identifier::<FileId>(hash.clone()).await? {
if let Some(new_motion_identifier) = motion_identifier.normalize_for_migration() {
migrate_identifier_details(repo, &motion_identifier, &new_motion_identifier).await?;
repo.relate_motion_identifier(hash.clone(), &new_motion_identifier)
.await?;
}
}
for (variant_path, variant_identifier) in repo.variants::<FileId>(hash.clone()).await? {
if let Some(new_variant_identifier) = variant_identifier.normalize_for_migration() {
migrate_identifier_details(repo, &variant_identifier, &new_variant_identifier).await?;
repo.relate_variant_identifier(hash.clone(), variant_path, &new_variant_identifier)
.await?;
}
}
let main_identifier = repo.identifier::<FileId>(hash.clone()).await?;
if let Some(new_main_identifier) = main_identifier.normalize_for_migration() {
migrate_identifier_details(repo, &main_identifier, &new_main_identifier).await?;
repo.relate_identifier(hash, &new_main_identifier).await?;
}
Ok(())
}
#[tracing::instrument(level = "debug", skip(repo))]
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async fn migrate_identifier_details<T>(
repo: &T,
old: &FileId,
new: &FileId,
) -> color_eyre::Result<()>
where
T: FullRepo,
{
if old == new {
tracing::warn!("Old FileId and new FileId are identical");
return Ok(());
}
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if let Some(details) = repo.details(old).await? {
repo.relate_details(new, &details).await?;
IdentifierRepo::cleanup(repo, old).await?;
}
Ok(())
}
#[tracing::instrument(skip(repo, old, hash), fields(hash = hex::encode(&hash)))]
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async fn migrate_hash<T>(repo: &T, old: &old::Old, hash: ::sled::IVec) -> color_eyre::Result<()>
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where
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T: IdentifierRepo + HashRepo + AliasRepo + SettingsRepo + Debug,
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{
let new_hash: T::Bytes = hash.to_vec().into();
let main_ident = old.main_identifier(&hash)?.to_vec();
if HashRepo::create(repo, new_hash.clone()).await?.is_err() {
tracing::warn!("Duplicate hash detected");
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return Ok(());
}
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repo.relate_identifier(new_hash.clone(), &main_ident)
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.await?;
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for alias in old.aliases(&hash) {
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if let Ok(Ok(())) = AliasRepo::create(repo, &alias).await {
let _ = repo.relate_alias(new_hash.clone(), &alias).await;
let _ = repo.relate_hash(&alias, new_hash.clone()).await;
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if let Ok(Some(delete_token)) = old.delete_token(&alias) {
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let _ = repo.relate_delete_token(&alias, &delete_token).await;
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}
}
}
if let Ok(Some(identifier)) = old.motion_identifier(&hash) {
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let _ = repo
.relate_motion_identifier(new_hash.clone(), &identifier.to_vec())
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.await;
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}
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for (variant_path, identifier) in old.variants(&hash)? {
let variant = variant_path.to_string_lossy().to_string();
let _ = repo
.relate_variant_identifier(new_hash.clone(), variant, &identifier.to_vec())
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.await;
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}
for (identifier, details) in old.details(&hash)? {
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let _ = repo.relate_details(&identifier.to_vec(), &details).await;
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}
Ok(())
}
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impl MaybeUuid {
fn from_str(s: &str) -> Self {
if let Ok(uuid) = Uuid::parse_str(s) {
MaybeUuid::Uuid(uuid)
} else {
MaybeUuid::Name(s.into())
}
}
fn as_bytes(&self) -> &[u8] {
match self {
Self::Uuid(uuid) => &uuid.as_bytes()[..],
Self::Name(name) => name.as_bytes(),
}
}
}
fn split_at_dot(s: &str) -> Option<(&str, &str)> {
let index = s.find('.')?;
Some(s.split_at(index))
}
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impl Alias {
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pub(crate) fn generate(extension: String) -> Self {
Alias {
id: MaybeUuid::Uuid(Uuid::new_v4()),
extension: Some(extension),
}
}
pub(crate) fn from_existing(alias: &str) -> Self {
if let Some((start, end)) = split_at_dot(alias) {
Alias {
id: MaybeUuid::from_str(start),
extension: Some(end.into()),
}
} else {
Alias {
id: MaybeUuid::from_str(alias),
extension: None,
}
}
}
pub(crate) fn extension(&self) -> Option<&str> {
self.extension.as_deref()
}
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fn to_bytes(&self) -> Vec<u8> {
let mut v = self.id.as_bytes().to_vec();
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if let Some(ext) = self.extension() {
v.extend_from_slice(ext.as_bytes());
}
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v
}
fn from_slice(bytes: &[u8]) -> Option<Self> {
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if let Ok(s) = std::str::from_utf8(bytes) {
Some(Self::from_existing(s))
} else if bytes.len() >= 16 {
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let id = Uuid::from_slice(&bytes[0..16]).expect("Already checked length");
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let extension = if bytes.len() > 16 {
Some(String::from_utf8_lossy(&bytes[16..]).to_string())
} else {
None
};
Some(Self {
id: MaybeUuid::Uuid(id),
extension,
})
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} else {
None
}
}
}
impl DeleteToken {
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pub(crate) fn from_existing(existing: &str) -> Self {
if let Ok(uuid) = Uuid::parse_str(existing) {
DeleteToken {
id: MaybeUuid::Uuid(uuid),
}
} else {
DeleteToken {
id: MaybeUuid::Name(existing.into()),
}
}
}
pub(crate) fn generate() -> Self {
Self {
id: MaybeUuid::Uuid(Uuid::new_v4()),
}
}
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fn to_bytes(&self) -> Vec<u8> {
self.id.as_bytes().to_vec()
}
fn from_slice(bytes: &[u8]) -> Option<Self> {
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if let Ok(s) = std::str::from_utf8(bytes) {
Some(DeleteToken::from_existing(s))
} else if bytes.len() == 16 {
Some(DeleteToken {
id: MaybeUuid::Uuid(Uuid::from_slice(bytes).ok()?),
})
} else {
None
}
}
}
impl UploadId {
pub(crate) fn generate() -> Self {
Self { id: Uuid::new_v4() }
}
pub(crate) fn as_bytes(&self) -> &[u8] {
&self.id.as_bytes()[..]
}
}
impl std::str::FromStr for UploadId {
type Err = <Uuid as std::str::FromStr>::Err;
fn from_str(s: &str) -> Result<Self, Self::Err> {
Ok(UploadId { id: s.parse()? })
}
}
impl std::fmt::Display for UploadId {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
std::fmt::Display::fmt(&self.id, f)
}
}
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impl std::fmt::Display for MaybeUuid {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
match self {
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Self::Uuid(id) => write!(f, "{id}"),
Self::Name(name) => write!(f, "{name}"),
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}
}
}
impl std::str::FromStr for DeleteToken {
type Err = std::convert::Infallible;
fn from_str(s: &str) -> Result<Self, Self::Err> {
Ok(DeleteToken::from_existing(s))
}
}
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impl std::fmt::Display for DeleteToken {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(f, "{}", self.id)
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}
}
impl std::str::FromStr for Alias {
type Err = std::convert::Infallible;
fn from_str(s: &str) -> Result<Self, Self::Err> {
Ok(Alias::from_existing(s))
}
}
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impl std::fmt::Display for Alias {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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if let Some(ext) = self.extension() {
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write!(f, "{}{ext}", self.id)
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} else {
write!(f, "{}", self.id)
}
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}
}
impl Identifier for Vec<u8> {
fn from_bytes(bytes: Vec<u8>) -> Result<Self, StoreError>
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where
Self: Sized,
{
Ok(bytes)
}
fn to_bytes(&self) -> Result<Vec<u8>, StoreError> {
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Ok(self.clone())
}
fn string_repr(&self) -> String {
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BASE64_STANDARD.encode(self.as_slice())
}
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}
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#[cfg(test)]
mod tests {
use super::{Alias, DeleteToken, MaybeUuid, Uuid};
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#[test]
fn string_delete_token() {
let delete_token = DeleteToken::from_existing("blah");
assert_eq!(
delete_token,
DeleteToken {
id: MaybeUuid::Name(String::from("blah"))
}
)
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}
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#[test]
fn uuid_string_delete_token() {
let uuid = Uuid::new_v4();
let delete_token = DeleteToken::from_existing(&uuid.to_string());
assert_eq!(
delete_token,
DeleteToken {
id: MaybeUuid::Uuid(uuid),
}
)
}
#[test]
fn bytes_delete_token() {
let delete_token = DeleteToken::from_slice(b"blah").unwrap();
assert_eq!(
delete_token,
DeleteToken {
id: MaybeUuid::Name(String::from("blah"))
}
)
}
#[test]
fn uuid_bytes_delete_token() {
let uuid = Uuid::new_v4();
let delete_token = DeleteToken::from_slice(&uuid.as_bytes()[..]).unwrap();
assert_eq!(
delete_token,
DeleteToken {
id: MaybeUuid::Uuid(uuid),
}
)
}
#[test]
fn uuid_bytes_string_delete_token() {
let uuid = Uuid::new_v4();
let delete_token = DeleteToken::from_slice(uuid.to_string().as_bytes()).unwrap();
assert_eq!(
delete_token,
DeleteToken {
id: MaybeUuid::Uuid(uuid),
}
)
}
#[test]
fn string_alias() {
let alias = Alias::from_existing("blah");
assert_eq!(
alias,
Alias {
id: MaybeUuid::Name(String::from("blah")),
extension: None
}
);
}
#[test]
fn string_alias_ext() {
let alias = Alias::from_existing("blah.mp4");
assert_eq!(
alias,
Alias {
id: MaybeUuid::Name(String::from("blah")),
extension: Some(String::from(".mp4")),
}
);
}
#[test]
fn uuid_string_alias() {
let uuid = Uuid::new_v4();
let alias = Alias::from_existing(&uuid.to_string());
assert_eq!(
alias,
Alias {
id: MaybeUuid::Uuid(uuid),
extension: None,
}
)
}
#[test]
fn uuid_string_alias_ext() {
let uuid = Uuid::new_v4();
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let alias_str = format!("{uuid}.mp4");
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let alias = Alias::from_existing(&alias_str);
assert_eq!(
alias,
Alias {
id: MaybeUuid::Uuid(uuid),
extension: Some(String::from(".mp4")),
}
)
}
#[test]
fn bytes_alias() {
let alias = Alias::from_slice(b"blah").unwrap();
assert_eq!(
alias,
Alias {
id: MaybeUuid::Name(String::from("blah")),
extension: None
}
);
}
#[test]
fn bytes_alias_ext() {
let alias = Alias::from_slice(b"blah.mp4").unwrap();
assert_eq!(
alias,
Alias {
id: MaybeUuid::Name(String::from("blah")),
extension: Some(String::from(".mp4")),
}
);
}
#[test]
fn uuid_bytes_alias() {
let uuid = Uuid::new_v4();
let alias = Alias::from_slice(&uuid.as_bytes()[..]).unwrap();
assert_eq!(
alias,
Alias {
id: MaybeUuid::Uuid(uuid),
extension: None,
}
)
}
#[test]
fn uuid_bytes_string_alias() {
let uuid = Uuid::new_v4();
let alias = Alias::from_slice(uuid.to_string().as_bytes()).unwrap();
assert_eq!(
alias,
Alias {
id: MaybeUuid::Uuid(uuid),
extension: None,
}
)
}
#[test]
fn uuid_bytes_alias_ext() {
let uuid = Uuid::new_v4();
let mut alias_bytes = uuid.as_bytes().to_vec();
alias_bytes.extend_from_slice(b".mp4");
let alias = Alias::from_slice(&alias_bytes).unwrap();
assert_eq!(
alias,
Alias {
id: MaybeUuid::Uuid(uuid),
extension: Some(String::from(".mp4")),
}
)
}
#[test]
fn uuid_bytes_string_alias_ext() {
let uuid = Uuid::new_v4();
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let alias_str = format!("{uuid}.mp4");
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let alias = Alias::from_slice(alias_str.as_bytes()).unwrap();
assert_eq!(
alias,
Alias {
id: MaybeUuid::Uuid(uuid),
extension: Some(String::from(".mp4")),
}
)
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}
}