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mediarepo/mediarepo-daemon/mediarepo-model/src/content_descriptor.rs

102 lines
3.0 KiB
Rust

use crate::file::File;
use mediarepo_core::content_descriptor::convert_v1_descriptor_to_v2;
use mediarepo_core::error::RepoResult;
use mediarepo_database::entities::content_descriptor;
use mediarepo_database::entities::file;
use sea_orm::prelude::*;
use sea_orm::{DatabaseConnection, Set};
use std::fmt::Debug;
pub struct ContentDescriptor {
db: DatabaseConnection,
model: content_descriptor::Model,
}
impl ContentDescriptor {
#[tracing::instrument(level = "trace")]
pub(crate) fn new(db: DatabaseConnection, model: content_descriptor::Model) -> Self {
Self { db, model }
}
pub async fn all(db: DatabaseConnection) -> RepoResult<Vec<Self>> {
let descriptors = content_descriptor::Entity::find()
.all(&db)
.await?
.into_iter()
.map(|model| Self::new(db.clone(), model))
.collect();
Ok(descriptors)
}
/// Searches for the hash by id
#[tracing::instrument(level = "debug", skip(db))]
pub async fn by_id(db: DatabaseConnection, id: i64) -> RepoResult<Option<Self>> {
let hash = content_descriptor::Entity::find_by_id(id)
.one(&db)
.await?
.map(|model| Self::new(db, model));
Ok(hash)
}
/// Returns the hash by value
#[tracing::instrument(level = "debug", skip(db))]
pub async fn by_value<D: AsRef<[u8]> + Debug>(
db: DatabaseConnection,
descriptor: D,
) -> RepoResult<Option<Self>> {
let cid = content_descriptor::Entity::find()
.filter(content_descriptor::Column::Descriptor.eq(descriptor.as_ref()))
.one(&db)
.await?
.map(|model| Self::new(db, model));
Ok(cid)
}
/// Adds a new hash to the database
#[tracing::instrument(level = "debug", skip(db))]
pub async fn add(db: DatabaseConnection, descriptor: Vec<u8>) -> RepoResult<Self> {
let active_model = content_descriptor::ActiveModel {
descriptor: Set(descriptor),
..Default::default()
};
let model = active_model.insert(&db).await?;
Ok(Self::new(db, model))
}
pub fn id(&self) -> i64 {
self.model.id
}
pub fn descriptor(&self) -> &[u8] {
&self.model.descriptor[..]
}
/// Returns the file associated with the hash
#[tracing::instrument(level = "debug", skip(self))]
pub async fn file(&self) -> RepoResult<Option<File>> {
let file = self
.model
.find_related(file::Entity)
.one(&self.db)
.await?
.map(|file_model| File::new(self.db.clone(), file_model, self.model.clone()));
Ok(file)
}
pub async fn convert_v1_to_v2(&mut self) -> RepoResult<()> {
let descriptor = convert_v1_descriptor_to_v2(&self.model.descriptor)?;
let active_model = content_descriptor::ActiveModel {
id: Set(self.id()),
descriptor: Set(descriptor),
};
self.model = active_model.update(&self.db).await?;
Ok(())
}
}