Change database schema to split mandatory file data and metadata

Signed-off-by: trivernis <trivernis@protonmail.com>

mediarepo-daemon/Cargo.lock

@@ -1136,8 +1136,8 @@ checksum = "a3e378b66a060d48947b590737b30a1be76706c8dd7b8ba0f2fe3989c68a853f"
 
 [[package]]
 name = "mediarepo-api"
-version = "0.20.0"
+version = "0.23.0"
-source = "git+https://github.com/Trivernis/mediarepo-api.git?rev=0c897acfd959c776fc10bd8fabdd2eb22b437be3#0c897acfd959c776fc10bd8fabdd2eb22b437be3"
+source = "git+https://github.com/Trivernis/mediarepo-api.git?rev=773e2132c80a80ad90a0585c50baf499c7ceb53f#773e2132c80a80ad90a0585c50baf499c7ceb53f"
 dependencies = [
  "bromine",
  "chrono",
@@ -1152,6 +1152,7 @@ name = "mediarepo-core"
 version = "0.1.0"
 dependencies = [
  "base64",
+ "data-encoding",
  "futures 0.3.19",
  "glob",
  "itertools",
@@ -1229,6 +1230,7 @@ dependencies = [
  "mediarepo-database",
  "mediarepo-model",
  "port_check",
+ "rayon",
  "serde",
  "tokio",
  "tracing",

mediarepo-daemon/mediarepo-core/Cargo.toml

@@ -18,6 +18,7 @@ futures = "^0.3.19"
 itertools = "^0.10.3"
 glob = "^0.3.0"
 tracing = "0.1.29"
+data-encoding = "2.3.2"
 
 [dependencies.thumbnailer]
 version = "^0.2.4"
@@ -38,7 +39,7 @@ features = ["fs", "io-util", "io-std"]
 
 [dependencies.mediarepo-api]
 git = "https://github.com/Trivernis/mediarepo-api.git"
-rev = "0c897acfd959c776fc10bd8fabdd2eb22b437be3"
+rev = "773e2132c80a80ad90a0585c50baf499c7ceb53f"
 features = ["bromine"]
 
 [features]

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

@@ -0,0 +1,65 @@
+use crate::error::RepoResult;
+use multihash::{Code, MultihashDigest};
+
+/// Creates a new content descriptor for the given file
+pub fn create_content_descriptor(bytes: &[u8]) -> Vec<u8> {
+    Code::Sha2_256.digest(bytes).to_bytes()
+}
+
+/// Encodes a content descriptor while respecting the version
+pub fn encode_content_descriptor(descriptor: &[u8]) -> String {
+    if is_v1_content_descriptor(descriptor) {
+        encode_content_descriptor_v1(descriptor)
+    } else {
+        encode_content_descriptor_v2(descriptor)
+    }
+}
+
+/// Encodes a v1 descriptor that is already stored encoded in the database (only interprets it as string)
+pub fn encode_content_descriptor_v1(descriptor: &[u8]) -> String {
+    String::from_utf8_lossy(descriptor).to_string()
+}
+
+/// Encodes the content descriptor as base32 lowercase
+pub fn encode_content_descriptor_v2(descriptor: &[u8]) -> String {
+    data_encoding::BASE32_DNSSEC.encode(descriptor)
+}
+
+/// Decodes a content descriptor
+pub fn decode_content_descriptor<S: AsRef<str>>(descriptor: S) -> RepoResult<Vec<u8>> {
+    // check for v1 descriptor with a fixed length of 53 starting with the prefix of the base and hash
+    if is_v1_content_descriptor_string(descriptor.as_ref()) {
+        decode_content_descriptor_v1(descriptor)
+    } else {
+        decode_content_descriptor_v2(descriptor)
+    }
+}
+
+/// Decodes the first version of content descriptors (multibase)
+pub fn decode_content_descriptor_v1<S: AsRef<str>>(descriptor: S) -> RepoResult<Vec<u8>> {
+    Ok(descriptor.as_ref().as_bytes().to_vec())
+}
+
+/// Decodes the second version of content descriptors (faster fixed base32)
+pub fn decode_content_descriptor_v2<S: AsRef<str>>(descriptor: S) -> RepoResult<Vec<u8>> {
+    let data = data_encoding::BASE32_DNSSEC.decode(descriptor.as_ref().as_bytes())?;
+
+    Ok(data)
+}
+
+/// Decodes the data stored in the v1 content descriptor into the v2 format
+pub fn convert_v1_descriptor_to_v2(descriptor_v1: &[u8]) -> RepoResult<Vec<u8>> {
+    let (_, data) = multibase::decode(encode_content_descriptor_v1(descriptor_v1))?;
+
+    Ok(data)
+}
+
+/// Checks if a binary descriptor is v1
+pub fn is_v1_content_descriptor(descriptor: &[u8]) -> bool {
+    descriptor.len() == 56 && descriptor.starts_with(b"bciq")
+}
+
+/// Checks if a descriptor string is a v1 descriptor
+pub fn is_v1_content_descriptor_string<S: AsRef<str>>(descriptor: S) -> bool {
+    descriptor.as_ref().len() == 56 && descriptor.as_ref().starts_with("bciq")
+}

mediarepo-daemon/mediarepo-core/src/error.rs

@@ -31,8 +31,11 @@ pub enum RepoError {
     #[error(transparent)]
     Thumbnailer(#[from] thumbnailer::error::ThumbError),
 
-    #[error("No free tcp port available")]
+    #[error("no free tcp port available")]
     PortUnavailable,
+
+    #[error("failed to decode data {0}")]
+    Decode(#[from] data_encoding::DecodeError),
 }
 
 #[derive(Error, Debug)]

mediarepo-daemon/mediarepo-core/src/fs/file_hash_store.rs

@@ -1,14 +1,11 @@
+use crate::content_descriptor::{create_content_descriptor, encode_content_descriptor};
 use crate::error::RepoResult;
 use crate::utils::get_folder_size;
-use multibase::Base;
-use multihash::{Code, MultihashDigest};
 use std::path::PathBuf;
 use tokio::fs;
 use tokio::fs::{File, OpenOptions};
 use tokio::io::{AsyncRead, AsyncReadExt, BufReader};
 
-static STORE_BASE: Base = Base::Base32Lower;
-
 #[derive(Clone, Debug)]
 pub struct FileHashStore {
     path: PathBuf,
@@ -24,35 +21,31 @@ impl FileHashStore {
         &self,
         mut reader: R,
         extension: Option<&str>,
-    ) -> RepoResult<String> {
+    ) -> RepoResult<Vec<u8>> {
         let mut buf = Vec::new();
         reader.read_to_end(&mut buf).await?;
-        let hash: Vec<u8> = Code::Sha2_256.digest(&buf).to_bytes();
+        let descriptor = create_content_descriptor(&buf);
-        let hash: String = multibase::encode(STORE_BASE, &hash);
+        let file_path = self.descriptor_to_file_path(&descriptor);
-        let folder_path = self.hash_to_folder_path(&hash);
+        let folder_path = file_path.parent().unwrap();
 
         if !folder_path.exists() {
             fs::create_dir(folder_path).await?;
         }
-        let mut file_path = self.hash_to_file_path(&hash);
+        let mut file_path = self.descriptor_to_file_path(&descriptor);
         if let Some(extension) = extension {
             file_path.set_extension(extension);
         }
         fs::write(file_path, buf).await?;
 
-        Ok(hash)
+        Ok(descriptor)
     }
 
     /// Returns the file extension and a reader for the file by hash
     pub async fn get_file(
         &self,
-        mut hash: String,
+        descriptor: &[u8],
     ) -> RepoResult<(Option<String>, BufReader<File>)> {
-        let (base, data) = multibase::decode(&hash)?;
+        let file_path = self.descriptor_to_file_path(descriptor);
-        if base != STORE_BASE {
-            hash = multibase::encode(STORE_BASE, data);
-        }
-        let file_path = self.hash_to_file_path(&hash);
         let extension = file_path
             .extension()
             .and_then(|s| s.to_str())
@@ -69,17 +62,18 @@ impl FileHashStore {
         get_folder_size(self.path.to_owned()).await
     }
 
-    fn hash_to_file_path(&self, hash: &str) -> PathBuf {
+    fn descriptor_to_file_path(&self, descriptor: &[u8]) -> PathBuf {
-        let mut path = self.hash_to_folder_path(hash);
+        let descriptor_string = encode_content_descriptor(descriptor);
-        path.push(hash);
+        let mut path = self.descriptor_string_to_folder_path(&descriptor_string);
+        path.push(descriptor_string);
 
         path
     }
 
-    fn hash_to_folder_path(&self, hash: &str) -> PathBuf {
+    fn descriptor_string_to_folder_path(&self, descriptor: &str) -> PathBuf {
-        assert!(hash.len() >= 2);
+        assert!(descriptor.len() >= 2);
         let mut path = self.path.clone();
-        path.push(&hash[hash.len() - 3..hash.len() - 1]);
+        path.push(&descriptor[descriptor.len() - 3..descriptor.len() - 1]);
 
         path
     }

mediarepo-daemon/mediarepo-core/src/lib.rs

@@ -4,6 +4,7 @@ pub use mediarepo_api;
 pub use mediarepo_api::bromine;
 pub use thumbnailer;
 
+pub mod content_descriptor;
 pub mod context;
 pub mod error;
 pub mod fs;

mediarepo-daemon/mediarepo-database/migrations/20220105184216_add-file-status.sql

@@ -0,0 +1,107 @@
+-- Add migration script here
+PRAGMA foreign_keys= off;
+
+-- create backup files table
+ALTER TABLE files
+    RENAME TO _files_old;
+
+-- create backup hashes table
+ALTER TABLE hashes
+    RENAME TO _hashes_old;
+
+-- create backup hash_tag_mappings table
+ALTER TABLE hash_tag_mappings
+    RENAME TO _hash_tag_mappings_old;
+
+-- create backup hash_source_mappings table
+ALTER TABLE hash_source_mappings
+    RENAME TO _hash_source_mappings_old;
+
+-- create content id table
+CREATE TABLE content_descriptors
+(
+    id    INTEGER PRIMARY KEY AUTOINCREMENT,
+    descriptor BLOB NOT NULL
+);
+
+CREATE UNIQUE INDEX content_descriptor_values ON content_descriptors (descriptor);
+
+-- create content-id tag mappings table
+CREATE TABLE cd_tag_mappings
+(
+    cd_id INTEGER NOT NULL REFERENCES content_descriptors (id),
+    tag_id     INTEGER NOT NULL REFERENCES tags (id),
+    PRIMARY KEY (cd_id, tag_id)
+);
+
+CREATE UNIQUE INDEX content_descriptor_tag_mapping_unique ON cd_tag_mappings (cd_id, tag_id);
+CREATE INDEX content_descriptor_tag_mapping_tag ON cd_tag_mappings (tag_id);
+
+-- create content-id source mappings table
+CREATE TABLE cd_source_mappings
+(
+    cd_id INTEGER NOT NULL REFERENCES content_descriptors (id),
+    source_id  INTEGER NOT NULL REFERENCES sources (id),
+    PRIMARY KEY (cd_id, source_id)
+);
+
+CREATE UNIQUE INDEX content_descriptor_source_mapping_unique ON cd_source_mappings (cd_id, source_id);
+
+-- create new files table
+CREATE TABLE files
+(
+    id         INTEGER PRIMARY KEY AUTOINCREMENT,
+    status     INTEGER      NOT NULL DEFAULT 10,
+    storage_id INTEGER      NOT NULL REFERENCES storage_locations (id),
+    cd_id INTEGER      NOT NULL REFERENCES content_descriptors (id),
+    mime_type  VARCHAR(128) NOT NULL DEFAULT 'application/octet-stream'
+);
+
+CREATE INDEX files_contend_descriptor ON files (cd_id);
+
+-- create metadata table
+CREATE TABLE file_metadata
+(
+    file_id       INTEGER PRIMARY KEY REFERENCES files (id),
+    size          INTEGER NOT NULL,
+    name          VARCHAR(128),
+    comment       VARCHAR(1024),
+    import_time   DATETIME NOT NULL,
+    creation_time DATETIME NOT NULL,
+    change_time   DATETIME NOT NULL
+);
+
+CREATE UNIQUE INDEX file_metadata_file_id_unique ON file_metadata (file_id);
+
+-- add content identifiers from hashes table
+INSERT INTO content_descriptors
+SELECT id, value
+FROM _hashes_old;
+
+-- add files from files table
+INSERT INTO files (id, storage_id, cd_id, mime_type)
+SELECT id, storage_id, hash_id AS content_id, mime_type
+FROM _files_old;
+
+-- add metadata from files table
+INSERT INTO file_metadata
+SELECT id AS file_id, size, name, comment, import_time, creation_time, change_time
+FROM _files_old;
+
+-- add content tag mappings
+INSERT INTO cd_tag_mappings
+SELECT hash_id AS content_id, tag_id
+FROM _hash_tag_mappings_old;
+
+-- add content id source mappings
+INSERT INTO cd_source_mappings
+SELECT hash_id AS content_id, source_id
+FROM _hash_source_mappings_old;
+
+-- drop all old tables
+DROP TABLE _hash_source_mappings_old;
+DROP TABLE _hash_tag_mappings_old;
+DROP TABLE _files_old;
+DROP TABLE _hashes_old;
+
+pragma foreign_keys= on;

mediarepo-daemon/mediarepo-database/src/entities/content_descriptor.rs

@@ -1,11 +1,11 @@
 use sea_orm::prelude::*;
 
 #[derive(Clone, Debug, PartialEq, DeriveEntityModel)]
-#[sea_orm(table_name = "hashes")]
+#[sea_orm(table_name = "content_descriptors")]
 pub struct Model {
     #[sea_orm(primary_key)]
     pub id: i64,
-    pub value: String,
+    pub descriptor: Vec<u8>,
 }
 
 #[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
@@ -13,27 +13,35 @@ pub enum Relation {}
 
 impl Related<super::file::Entity> for Entity {
     fn to() -> RelationDef {
-        super::file::Relation::Hash.def().rev()
+        super::file::Relation::ContentDescriptorId.def().rev()
     }
 }
 
 impl Related<super::tag::Entity> for Entity {
     fn to() -> RelationDef {
-        super::hash_tag::Relation::Tag.def()
+        super::content_descriptor_tag::Relation::Tag.def()
     }
 
     fn via() -> Option<RelationDef> {
-        Some(super::hash_tag::Relation::Hash.def().rev())
+        Some(
+            super::content_descriptor_tag::Relation::ContentDescriptorId
+                .def()
+                .rev(),
+        )
     }
 }
 
 impl Related<super::source::Entity> for Entity {
     fn to() -> RelationDef {
-        super::hash_source::Relation::Source.def()
+        super::content_descriptor_source::Relation::Source.def()
     }
 
     fn via() -> Option<RelationDef> {
-        Some(super::hash_source::Relation::Hash.def().rev())
+        Some(
+            super::content_descriptor_source::Relation::ContentDescriptorId
+                .def()
+                .rev(),
+        )
     }
 }
 

mediarepo-daemon/mediarepo-database/src/entities/content_descriptor_source.rs

@@ -1,10 +1,10 @@
 use sea_orm::prelude::*;
 
 #[derive(Clone, Debug, PartialEq, DeriveEntityModel)]
-#[sea_orm(table_name = "hash_source_mappings")]
+#[sea_orm(table_name = "cd_source_mappings")]
 pub struct Model {
     #[sea_orm(primary_key)]
-    pub hash_id: i64,
+    pub cd_id: i64,
     #[sea_orm(primary_key)]
     pub source_id: i64,
 }
@@ -12,11 +12,11 @@ pub struct Model {
 #[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
 pub enum Relation {
     #[sea_orm(
-        belongs_to = "super::hash::Entity",
+        belongs_to = "super::content_descriptor::Entity",
-        from = "Column::HashId",
+        from = "Column::CdId",
-        to = "super::hash::Column::Id"
+        to = "super::content_descriptor::Column::Id"
     )]
-    Hash,
+    ContentDescriptorId,
     #[sea_orm(
         belongs_to = "super::source::Entity",
         from = "Column::SourceId",
@@ -25,9 +25,9 @@ pub enum Relation {
     Source,
 }
 
-impl Related<super::hash::Entity> for Entity {
+impl Related<super::content_descriptor::Entity> for Entity {
     fn to() -> RelationDef {
-        Relation::Hash.def()
+        Relation::ContentDescriptorId.def()
     }
 }
 

mediarepo-daemon/mediarepo-database/src/entities/content_descriptor_tag.rs

@@ -1,10 +1,10 @@
 use sea_orm::prelude::*;
 
 #[derive(Clone, Debug, PartialEq, DeriveEntityModel)]
-#[sea_orm(table_name = "hash_tag_mappings")]
+#[sea_orm(table_name = "cd_tag_mappings")]
 pub struct Model {
     #[sea_orm(primary_key)]
-    pub hash_id: i64,
+    pub cd_id: i64,
     #[sea_orm(primary_key)]
     pub tag_id: i64,
 }
@@ -12,11 +12,11 @@ pub struct Model {
 #[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
 pub enum Relation {
     #[sea_orm(
-        belongs_to = "super::hash::Entity",
+        belongs_to = "super::content_descriptor::Entity",
-        from = "Column::HashId",
+        from = "Column::CdId",
-        to = "super::hash::Column::Id"
+        to = "super::content_descriptor::Column::Id"
     )]
-    Hash,
+    ContentDescriptorId,
     #[sea_orm(
         belongs_to = "super::tag::Entity",
         from = "Column::TagId",
@@ -25,9 +25,9 @@ pub enum Relation {
     Tag,
 }
 
-impl Related<super::hash::Entity> for Entity {
+impl Related<super::content_descriptor::Entity> for Entity {
     fn to() -> RelationDef {
-        Relation::Hash.def()
+        Relation::ContentDescriptorId.def()
     }
 }
 

mediarepo-daemon/mediarepo-database/src/entities/file.rs

@@ -1,4 +1,3 @@
-use chrono::NaiveDateTime;
 use sea_orm::prelude::*;
 
 #[derive(Clone, Debug, PartialEq, DeriveEntityModel)]
@@ -6,26 +5,20 @@ use sea_orm::prelude::*;
 pub struct Model {
     #[sea_orm(primary_key)]
     pub id: i64,
-    pub file_type: u32,
+    pub status: i32,
-    pub name: Option<String>,
+    pub mime_type: String,
-    pub comment: Option<String>,
-    pub mime_type: Option<String>,
-    pub size: Option<i64>,
     pub storage_id: i64,
-    pub hash_id: i64,
+    pub cd_id: i64,
-    pub import_time: NaiveDateTime,
-    pub creation_time: NaiveDateTime,
-    pub change_time: NaiveDateTime,
 }
 
 #[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
 pub enum Relation {
     #[sea_orm(
-        belongs_to = "super::hash::Entity",
+        belongs_to = "super::content_descriptor::Entity",
-        from = "Column::HashId",
+        from = "Column::CdId",
-        to = "super::hash::Column::Id"
+        to = "super::content_descriptor::Column::Id"
     )]
-    Hash,
+    ContentDescriptorId,
 
     #[sea_orm(
         belongs_to = "super::storage::Entity",
@@ -35,9 +28,9 @@ pub enum Relation {
     Storage,
 }
 
-impl Related<super::hash::Entity> for Entity {
+impl Related<super::content_descriptor::Entity> for Entity {
     fn to() -> RelationDef {
-        Relation::Hash.def()
+        Relation::ContentDescriptorId.def()
     }
 }
 
@@ -47,4 +40,10 @@ impl Related<super::storage::Entity> for Entity {
     }
 }
 
+impl Related<super::file_metadata::Entity> for Entity {
+    fn to() -> RelationDef {
+        super::file_metadata::Relation::File.def().rev()
+    }
+}
+
 impl ActiveModelBehavior for ActiveModel {}

mediarepo-daemon/mediarepo-database/src/entities/file_metadata.rs

@@ -0,0 +1,32 @@
+use chrono::NaiveDateTime;
+use sea_orm::prelude::*;
+
+#[derive(Clone, Debug, PartialEq, DeriveEntityModel)]
+#[sea_orm(table_name = "file_metadata")]
+pub struct Model {
+    #[sea_orm(primary_key)]
+    pub file_id: i64,
+    pub name: Option<String>,
+    pub comment: Option<String>,
+    pub size: i64,
+    pub import_time: NaiveDateTime,
+    pub creation_time: NaiveDateTime,
+    pub change_time: NaiveDateTime,
+}
+
+#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
+pub enum Relation {
+    #[sea_orm(
+        belongs_to = "super::file::Entity",
+        from = "Column::FileId",
+        to = "super::file::Column::Id"
+    )]
+    File,
+}
+
+impl Related<super::file::Entity> for Entity {
+    fn to() -> RelationDef {
+        Relation::File.def()
+    }
+}
+impl ActiveModelBehavior for ActiveModel {}

mediarepo-daemon/mediarepo-database/src/entities/mod.rs

@@ -1,7 +1,8 @@
+pub mod content_descriptor;
+pub mod content_descriptor_source;
+pub mod content_descriptor_tag;
 pub mod file;
-pub mod hash;
+pub mod file_metadata;
-pub mod hash_source;
-pub mod hash_tag;
 pub mod namespace;
 pub mod source;
 pub mod storage;

mediarepo-daemon/mediarepo-database/src/entities/source.rs

@@ -11,13 +11,17 @@ pub struct Model {
 #[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
 pub enum Relation {}
 
-impl Related<super::hash::Entity> for Entity {
+impl Related<super::content_descriptor::Entity> for Entity {
     fn to() -> RelationDef {
-        super::hash_source::Relation::Hash.def()
+        super::content_descriptor_source::Relation::ContentDescriptorId.def()
     }
 
     fn via() -> Option<RelationDef> {
-        Some(super::hash_source::Relation::Source.def().rev())
+        Some(
+            super::content_descriptor_source::Relation::Source
+                .def()
+                .rev(),
+        )
     }
 }
 

mediarepo-daemon/mediarepo-database/src/entities/tag.rs

@@ -19,13 +19,13 @@ pub enum Relation {
     Namespace,
 }
 
-impl Related<super::hash::Entity> for Entity {
+impl Related<super::content_descriptor::Entity> for Entity {
     fn to() -> RelationDef {
-        super::hash_tag::Relation::Hash.def()
+        super::content_descriptor_tag::Relation::ContentDescriptorId.def()
     }
 
     fn via() -> Option<RelationDef> {
-        Some(super::hash_tag::Relation::Tag.def().rev())
+        Some(super::content_descriptor_tag::Relation::Tag.def().rev())
     }
 }
 

mediarepo-daemon/mediarepo-database/src/queries/analysis.rs

@@ -7,7 +7,7 @@ use mediarepo_core::error::{RepoError, RepoResult};
 #[derive(Debug, FromQueryResult)]
 pub struct Counts {
     pub file_count: i64,
-    pub hash_count: i64,
+    pub cd_count: i64,
     pub tag_count: i64,
     pub namespace_count: i64,
     pub source_count: i64,
@@ -20,11 +20,11 @@ pub async fn get_all_counts(db: &DatabaseConnection) -> RepoResult<Counts> {
         r#"
     SELECT *
     FROM (SELECT COUNT(*) AS file_count FROM files),
-         (SELECT COUNT(*) AS hash_count FROM hashes),
+         (SELECT COUNT(*) AS cd_count FROM content_descriptors),
          (SELECT COUNT(*) AS tag_count FROM tags),
          (SELECT COUNT(*) AS namespace_count FROM namespaces),
          (SELECT COUNT(*) AS source_count FROM sources),
-         (SELECT COUNT(*) AS mapping_count FROM hash_tag_mappings)
+         (SELECT COUNT(*) AS mapping_count FROM cd_tag_mappings)
     "#,
         vec![],
     ))

mediarepo-daemon/mediarepo-database/src/queries/tags.rs

@@ -7,27 +7,27 @@ use std::fmt::Display;
 use std::iter::FromIterator;
 
 #[derive(Debug, FromQueryResult)]
-struct HashNamespaceTags {
+struct CIDNamespaceTag {
-    hash_id: i64,
+    cd_id: i64,
     namespace: String,
     tag: String,
 }
 
 #[tracing::instrument(level = "debug", skip_all)]
-pub async fn get_hashes_with_namespaced_tags(
+pub async fn get_cids_with_namespaced_tags(
     db: &DatabaseConnection,
     hash_ids: Vec<i64>,
 ) -> RepoResult<HashMap<i64, HashMap<String, Vec<String>>>> {
-    let hash_namespace_tags: Vec<HashNamespaceTags> =
+    let hash_namespace_tags: Vec<CIDNamespaceTag> =
-        HashNamespaceTags::find_by_statement(Statement::from_sql_and_values(
+        CIDNamespaceTag::find_by_statement(Statement::from_sql_and_values(
             DbBackend::Sqlite,
             format!(
-                r#"SELECT htm.hash_id, n.name as namespace, t.name as tag
+                r#"SELECT ctm.cd_id, n.name as namespace, t.name as tag
-            FROM hash_tag_mappings htm
+            FROM cd_tag_mappings ctm
-                     INNER JOIN tags t on htm.tag_id = t.id
+                     INNER JOIN tags t on ctm.tag_id = t.id
                      JOIN namespaces n on t.namespace_id = n.id
             WHERE t.namespace_id IS NOT NULL
-              AND htm.hash_id IN ({}) ORDER BY t.namespace_id;"#,
+              AND ctm.cd_id IN ({}) ORDER BY t.namespace_id;"#,
                 vec_to_query_list(hash_ids)
             )
             .as_str(),
@@ -35,49 +35,49 @@ pub async fn get_hashes_with_namespaced_tags(
         ))
         .all(db)
         .await?;
-    let mut hash_namespaces: HashMap<i64, HashMap<String, Vec<String>>> = HashMap::new();
+    let mut cd_id_namespaces: HashMap<i64, HashMap<String, Vec<String>>> = HashMap::new();
     for hnt in hash_namespace_tags {
-        if let Some(entry) = hash_namespaces.get_mut(&hnt.hash_id) {
+        if let Some(entry) = cd_id_namespaces.get_mut(&hnt.cd_id) {
             if let Some(nsp_entry) = entry.get_mut(&hnt.namespace) {
                 nsp_entry.push(hnt.tag);
             } else {
                 entry.insert(hnt.namespace, vec![hnt.tag]);
             }
         } else {
-            hash_namespaces.insert(
+            cd_id_namespaces.insert(
-                hnt.hash_id,
+                hnt.cd_id,
                 HashMap::from_iter(vec![(hnt.namespace, vec![hnt.tag])].into_iter()),
             );
         }
     }
 
-    Ok(hash_namespaces)
+    Ok(cd_id_namespaces)
 }
 
 #[derive(Debug, FromQueryResult)]
-struct HashTagCount {
+struct CIDTagCount {
-    hash_id: i64,
+    cd_id: i64,
     tag_count: i32,
 }
 
 #[tracing::instrument(level = "debug", skip_all)]
-pub async fn get_hashes_with_tag_count(
+pub async fn get_content_descriptors_with_tag_count(
     db: &DatabaseConnection,
-    hash_ids: Vec<i64>,
+    cd_ids: Vec<i64>,
 ) -> RepoResult<HashMap<i64, u32>> {
-    if hash_ids.is_empty() {
+    if cd_ids.is_empty() {
         return Ok(HashMap::new());
     }
-    let hash_tag_counts: Vec<HashTagCount> =
+    let hash_tag_counts: Vec<CIDTagCount> =
-        HashTagCount::find_by_statement(Statement::from_sql_and_values(
+        CIDTagCount::find_by_statement(Statement::from_sql_and_values(
             DbBackend::Sqlite,
             format!(
                 r#"
-        SELECT htm.hash_id, COUNT(htm.tag_id) AS "tag_count" from hash_tag_mappings htm
+        SELECT ctm.cd_id, COUNT(ctm.tag_id) AS "tag_count" from cd_tag_mappings ctm
-        WHERE htm.hash_id IN ({})
+        WHERE ctm.cd_id IN ({})
-        GROUP BY hash_id
+        GROUP BY cd_id
     "#,
-                vec_to_query_list(hash_ids)
+                vec_to_query_list(cd_ids)
             )
             .as_str(),
             vec![],
@@ -87,7 +87,12 @@ pub async fn get_hashes_with_tag_count(
 
     let mappings = hash_tag_counts
         .into_iter()
-        .map(|HashTagCount { hash_id, tag_count }| (hash_id, tag_count as u32))
+        .map(
+            |CIDTagCount {
+                 cd_id: hash_id,
+                 tag_count,
+             }| (hash_id, tag_count as u32),
+        )
         .collect::<HashMap<i64, u32>>();
 
     Ok(mappings)

mediarepo-daemon/mediarepo-model/Cargo.toml

@@ -15,7 +15,6 @@ mime = "^0.3.16"
 tracing = "^0.1.29"
 async-trait = "^0.1.51"
 
-
 [dependencies.mediarepo-core]
 path = "../mediarepo-core"
 

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

@@ -1,26 +1,26 @@
 use crate::file::File;
 use mediarepo_core::error::RepoResult;
+use mediarepo_database::entities::content_descriptor;
 use mediarepo_database::entities::file;
-use mediarepo_database::entities::hash;
 use sea_orm::prelude::*;
 use sea_orm::{DatabaseConnection, Set};
 use std::fmt::Debug;
 
 pub struct Hash {
     db: DatabaseConnection,
-    model: hash::Model,
+    model: content_descriptor::Model,
 }
 
 impl Hash {
     #[tracing::instrument(level = "trace")]
-    pub(crate) fn new(db: DatabaseConnection, model: hash::Model) -> Self {
+    pub(crate) fn new(db: DatabaseConnection, model: content_descriptor::Model) -> Self {
         Self { db, model }
     }
 
     /// 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 = hash::Entity::find_by_id(id)
+        let hash = content_descriptor::Entity::find_by_id(id)
             .one(&db)
             .await?
             .map(|model| Self::new(db, model));
@@ -30,24 +30,24 @@ impl Hash {
 
     /// Returns the hash by value
     #[tracing::instrument(level = "debug", skip(db))]
-    pub async fn by_value<S: AsRef<str> + Debug>(
+    pub async fn by_value<D: AsRef<[u8]> + Debug>(
         db: DatabaseConnection,
-        value: S,
+        descriptor: D,
     ) -> RepoResult<Option<Self>> {
-        let hash = hash::Entity::find()
+        let cid = content_descriptor::Entity::find()
-            .filter(hash::Column::Value.eq(value.as_ref()))
+            .filter(content_descriptor::Column::Descriptor.eq(descriptor.as_ref()))
             .one(&db)
             .await?
             .map(|model| Self::new(db, model));
 
-        Ok(hash)
+        Ok(cid)
     }
 
     /// Adds a new hash to the database
     #[tracing::instrument(level = "debug", skip(db))]
-    pub async fn add(db: DatabaseConnection, value: String) -> RepoResult<Self> {
+    pub async fn add(db: DatabaseConnection, descriptor: Vec<u8>) -> RepoResult<Self> {
-        let active_model = hash::ActiveModel {
+        let active_model = content_descriptor::ActiveModel {
-            value: Set(value),
+            descriptor: Set(descriptor),
             ..Default::default()
         };
         let model = active_model.insert(&db).await?;
@@ -59,8 +59,8 @@ impl Hash {
         self.model.id
     }
 
-    pub fn value(&self) -> &String {
+    pub fn descriptor(&self) -> &[u8] {
-        &self.model.value
+        &self.model.descriptor[..]
     }
 
     /// Returns the file associated with the hash

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

@@ -2,43 +2,57 @@ use std::fmt::Debug;
 use std::io::Cursor;
 use std::str::FromStr;
 
-use chrono::{Local, NaiveDateTime};
+use mediarepo_core::content_descriptor::encode_content_descriptor;
 use sea_orm::prelude::*;
 use sea_orm::sea_query::{Expr, Query};
 use sea_orm::{Condition, DatabaseConnection, Set};
 use sea_orm::{JoinType, QuerySelect};
 use tokio::io::{AsyncReadExt, BufReader};
 
-use mediarepo_core::error::RepoResult;
+use crate::file_metadata::FileMetadata;
+use mediarepo_core::error::{RepoError, RepoResult};
 use mediarepo_core::thumbnailer::{self, Thumbnail as ThumbnailerThumb, ThumbnailSize};
+use mediarepo_database::entities::content_descriptor;
+use mediarepo_database::entities::content_descriptor_tag;
 use mediarepo_database::entities::file;
-use mediarepo_database::entities::hash;
-use mediarepo_database::entities::hash_tag;
 use mediarepo_database::entities::namespace;
 use mediarepo_database::entities::tag;
 
-use crate::file_type::FileType;
 use crate::storage::Storage;
 use crate::tag::Tag;
 
+pub enum FileStatus {
+    Imported = 10,
+    Archived = 20,
+    Deleted = 30,
+}
+
 #[derive(Clone)]
 pub struct File {
     db: DatabaseConnection,
     model: file::Model,
-    hash: hash::Model,
+    content_descriptor: content_descriptor::Model,
 }
 
 impl File {
     #[tracing::instrument(level = "trace")]
-    pub(crate) fn new(db: DatabaseConnection, model: file::Model, hash: hash::Model) -> Self {
+    pub(crate) fn new(
-        Self { db, model, hash }
+        db: DatabaseConnection,
+        model: file::Model,
+        hash: content_descriptor::Model,
+    ) -> Self {
+        Self {
+            db,
+            model,
+            content_descriptor: hash,
+        }
     }
 
     /// Returns a list of all known stored files
     #[tracing::instrument(level = "debug", skip(db))]
     pub async fn all(db: DatabaseConnection) -> RepoResult<Vec<File>> {
-        let files: Vec<(file::Model, Option<hash::Model>)> = file::Entity::find()
+        let files: Vec<(file::Model, Option<content_descriptor::Model>)> = file::Entity::find()
-            .find_also_related(hash::Entity)
+            .find_also_related(content_descriptor::Entity)
             .all(&db)
             .await?;
         let files = files
@@ -56,7 +70,7 @@ impl File {
     #[tracing::instrument(level = "debug", skip(db))]
     pub async fn by_id(db: DatabaseConnection, id: i64) -> RepoResult<Option<Self>> {
         if let Some((model, Some(hash))) = file::Entity::find_by_id(id)
-            .find_also_related(hash::Entity)
+            .find_also_related(content_descriptor::Entity)
             .one(&db)
             .await?
         {
@@ -69,12 +83,12 @@ impl File {
 
     /// Finds the file by hash
     #[tracing::instrument(level = "debug", skip(db))]
-    pub async fn by_hash<S: AsRef<str> + Debug>(
+    pub async fn by_cd<S: AsRef<str> + Debug>(
         db: DatabaseConnection,
-        hash: S,
+        cid: S,
     ) -> RepoResult<Option<Self>> {
-        if let Some((hash, Some(model))) = hash::Entity::find()
+        if let Some((hash, Some(model))) = content_descriptor::Entity::find()
-            .filter(hash::Column::Value.eq(hash.as_ref()))
+            .filter(content_descriptor::Column::Descriptor.eq(cid.as_ref()))
             .find_also_related(file::Entity)
             .one(&db)
             .await?
@@ -94,7 +108,8 @@ impl File {
     ) -> RepoResult<Vec<Self>> {
         let main_condition = build_find_filter_conditions(tag_ids);
 
-        let results: Vec<(hash::Model, Option<file::Model>)> = hash::Entity::find()
+        let results: Vec<(content_descriptor::Model, Option<file::Model>)> =
+            content_descriptor::Entity::find()
                 .find_also_related(file::Entity)
                 .filter(main_condition)
                 .group_by(file::Column::Id)
@@ -113,20 +128,13 @@ impl File {
     pub(crate) async fn add(
         db: DatabaseConnection,
         storage_id: i64,
-        hash_id: i64,
+        cd_id: i64,
-        file_type: FileType,
+        mime_type: String,
-        mime_type: Option<String>,
-        creation_time: NaiveDateTime,
-        change_time: NaiveDateTime,
     ) -> RepoResult<Self> {
         let file = file::ActiveModel {
-            hash_id: Set(hash_id),
+            cd_id: Set(cd_id),
-            file_type: Set(file_type as u32),
             mime_type: Set(mime_type),
             storage_id: Set(storage_id),
-            import_time: Set(Local::now().naive_local()),
-            creation_time: Set(creation_time),
-            change_time: Set(change_time),
             ..Default::default()
         };
         let file: file::ActiveModel = file.insert(&db).await?.into();
@@ -143,53 +151,41 @@ impl File {
     }
 
     /// Returns the hash of the file (content identifier)
-    pub fn hash(&self) -> &String {
+    pub fn cd(&self) -> &[u8] {
-        &self.hash.value
+        &self.content_descriptor.descriptor
     }
 
-    /// Returns the hash id of the file
+    /// Returns the encoded content descriptor
-    pub fn hash_id(&self) -> i64 {
+    pub fn encoded_cd(&self) -> String {
-        self.hash.id
+        encode_content_descriptor(self.cd())
     }
 
-    /// Returns the type of the file
+    /// Returns the id of the civ (content identifier value) of the file
-    pub fn file_type(&self) -> FileType {
+    pub fn cd_id(&self) -> i64 {
-        match self.model.file_type {
+        self.content_descriptor.id
-            1 => FileType::Image,
-            2 => FileType::Video,
-            3 => FileType::Audio,
-            _ => FileType::Unknown,
-        }
     }
 
-    /// Returns the optional mime type of the file
+    /// Returns the mime type of the file
-    pub fn mime_type(&self) -> &Option<String> {
+    pub fn mime_type(&self) -> &String {
         &self.model.mime_type
     }
 
-    /// Returns the optional name of the file
+    /// Returns the status of the file
-    pub fn name(&self) -> &Option<String> {
+    pub fn status(&self) -> FileStatus {
-        &self.model.name
+        match self.model.status {
-    }
+            10 => FileStatus::Imported,
-
+            20 => FileStatus::Archived,
-    /// Returns the comment of the file
+            30 => FileStatus::Deleted,
-    pub fn comment(&self) -> &Option<String> {
+            _ => FileStatus::Imported,
-        &self.model.comment
-    }
-
-    /// Returns the import time of the file
-    pub fn import_time(&self) -> &NaiveDateTime {
-        &self.model.import_time
         }
-
-    /// Returns the datetime when the file was created
-    pub fn creation_time(&self) -> &NaiveDateTime {
-        &self.model.creation_time
     }
 
-    /// Returns the last time the file was changed
+    /// Returns the metadata associated with this file
-    pub fn change_time(&self) -> &NaiveDateTime {
+    /// A file MUST always have metadata associated
-        &self.model.change_time
+    pub async fn metadata(&self) -> RepoResult<FileMetadata> {
+        FileMetadata::by_id(self.db.clone(), self.model.id)
+            .await
+            .and_then(|f| f.ok_or_else(|| RepoError::from("missing file metadata")))
     }
 
     /// Returns the storage where the file is stored
@@ -206,9 +202,15 @@ impl File {
     pub async fn tags(&self) -> RepoResult<Vec<Tag>> {
         let tags: Vec<(tag::Model, Option<namespace::Model>)> = tag::Entity::find()
             .find_also_related(namespace::Entity)
-            .join(JoinType::LeftJoin, hash_tag::Relation::Tag.def().rev())
+            .join(
-            .join(JoinType::InnerJoin, hash_tag::Relation::Hash.def())
+                JoinType::LeftJoin,
-            .filter(hash::Column::Id.eq(self.hash.id))
+                content_descriptor_tag::Relation::Tag.def().rev(),
+            )
+            .join(
+                JoinType::InnerJoin,
+                content_descriptor_tag::Relation::ContentDescriptorId.def(),
+            )
+            .filter(content_descriptor::Column::Id.eq(self.content_descriptor.id))
             .all(&self.db)
             .await?;
         let tags = tags
@@ -219,45 +221,12 @@ impl File {
         Ok(tags)
     }
 
-    /// Changes the name of the file
-    #[tracing::instrument(level = "debug", skip(self))]
-    pub async fn set_name<S: ToString + Debug>(&mut self, name: S) -> RepoResult<()> {
-        let mut active_file = self.get_active_model();
-        active_file.name = Set(Some(name.to_string()));
-        let active_file = active_file.update(&self.db).await?;
-        self.model.name = active_file.name;
-
-        Ok(())
-    }
-
-    /// Changes the comment of the file
-    #[tracing::instrument(level = "debug", skip(self))]
-    pub async fn set_comment<S: ToString + Debug>(&mut self, comment: S) -> RepoResult<()> {
-        let mut active_file = self.get_active_model();
-        active_file.comment = Set(Some(comment.to_string()));
-        let active_file = active_file.update(&self.db).await?;
-        self.model.comment = active_file.comment;
-
-        Ok(())
-    }
-
-    /// Changes the type of the file
-    #[tracing::instrument(level = "debug", skip(self))]
-    pub async fn set_file_type(&mut self, file_type: FileType) -> RepoResult<()> {
-        let mut active_file = self.get_active_model();
-        active_file.file_type = Set(file_type as u32);
-        let active_file = active_file.update(&self.db).await?;
-        self.model.file_type = active_file.file_type;
-
-        Ok(())
-    }
-
     /// Adds a single tag to the file
     #[tracing::instrument(level = "debug", skip(self))]
     pub async fn add_tag(&mut self, tag_id: i64) -> RepoResult<()> {
-        let hash_id = self.hash.id;
+        let cd_id = self.content_descriptor.id;
-        let active_model = hash_tag::ActiveModel {
+        let active_model = content_descriptor_tag::ActiveModel {
-            hash_id: Set(hash_id),
+            cd_id: Set(cd_id),
             tag_id: Set(tag_id),
         };
         active_model.insert(&self.db).await?;
@@ -270,15 +239,17 @@ impl File {
         if tag_ids.is_empty() {
             return Ok(());
         }
-        let hash_id = self.hash.id;
+        let cd_id = self.content_descriptor.id;
-        let models: Vec<hash_tag::ActiveModel> = tag_ids
+        let models: Vec<content_descriptor_tag::ActiveModel> = tag_ids
             .into_iter()
-            .map(|tag_id| hash_tag::ActiveModel {
+            .map(|tag_id| content_descriptor_tag::ActiveModel {
-                hash_id: Set(hash_id),
+                cd_id: Set(cd_id),
                 tag_id: Set(tag_id),
             })
             .collect();
-        hash_tag::Entity::insert_many(models).exec(&self.db).await?;
+        content_descriptor_tag::Entity::insert_many(models)
+            .exec(&self.db)
+            .await?;
 
         Ok(())
     }
@@ -286,10 +257,10 @@ impl File {
     /// Removes multiple tags from the file
     #[tracing::instrument(level = "debug", skip(self))]
     pub async fn remove_tags(&self, tag_ids: Vec<i64>) -> RepoResult<()> {
-        let hash_id = self.hash.id;
+        let hash_id = self.content_descriptor.id;
-        hash_tag::Entity::delete_many()
+        content_descriptor_tag::Entity::delete_many()
-            .filter(hash_tag::Column::HashId.eq(hash_id))
+            .filter(content_descriptor_tag::Column::CdId.eq(hash_id))
-            .filter(hash_tag::Column::TagId.is_in(tag_ids))
+            .filter(content_descriptor_tag::Column::TagId.is_in(tag_ids))
             .exec(&self.db)
             .await?;
 
@@ -301,26 +272,9 @@ impl File {
     pub async fn get_reader(&self) -> RepoResult<BufReader<tokio::fs::File>> {
         let storage = self.storage().await?;
 
-        storage.get_file_reader(&self.hash.value).await
+        storage
-    }
+            .get_file_reader(&self.content_descriptor.descriptor)
-
+            .await
-    /// Retrieves the size of the file from its content
-    #[tracing::instrument(level = "trace", skip(self))]
-    pub async fn get_size(&self) -> RepoResult<u64> {
-        if let Some(size) = self.model.size {
-            Ok(size as u64)
-        } else {
-            let mut reader = self.get_reader().await?;
-            let size = {
-                let mut buf = Vec::new();
-                reader.read_to_end(&mut buf).await
-            }?;
-            let mut model = self.get_active_model();
-            model.size = Set(Some(size as i64));
-            model.update(&self.db).await?;
-
-            Ok(size as u64)
-        }
     }
 
     /// Creates a thumbnail for the file
@@ -331,24 +285,13 @@ impl File {
     ) -> RepoResult<Vec<ThumbnailerThumb>> {
         let mut buf = Vec::new();
         self.get_reader().await?.read_to_end(&mut buf).await?;
-        let mime_type = self
+        let mime_type = self.model.mime_type.clone();
-            .model
+        let mime_type =
-            .mime_type
+            mime::Mime::from_str(&mime_type).unwrap_or_else(|_| mime::APPLICATION_OCTET_STREAM);
-            .clone()
-            .map(|mime_type| mime::Mime::from_str(&mime_type).unwrap())
-            .unwrap_or(mime::IMAGE_STAR);
         let thumbs = thumbnailer::create_thumbnails(Cursor::new(buf), mime_type, sizes)?;
 
         Ok(thumbs)
     }
-
-    /// Returns the active model of the file with only the id set
-    fn get_active_model(&self) -> file::ActiveModel {
-        file::ActiveModel {
-            id: Set(self.id()),
-            ..Default::default()
-        }
-    }
 }
 
 fn build_find_filter_conditions(tag_ids: Vec<Vec<(i64, bool)>>) -> Condition {
@@ -373,21 +316,21 @@ fn build_find_filter_conditions(tag_ids: Vec<Vec<(i64, bool)>>) -> Condition {
 fn add_single_filter_expression(condition: Condition, tag_id: i64, negated: bool) -> Condition {
     if negated {
         condition.add(
-            hash::Column::Id.not_in_subquery(
+            content_descriptor::Column::Id.not_in_subquery(
                 Query::select()
-                    .expr(Expr::col(hash_tag::Column::HashId))
+                    .expr(Expr::col(content_descriptor_tag::Column::CdId))
-                    .from(hash_tag::Entity)
+                    .from(content_descriptor_tag::Entity)
-                    .cond_where(hash_tag::Column::TagId.eq(tag_id))
+                    .cond_where(content_descriptor_tag::Column::TagId.eq(tag_id))
                     .to_owned(),
             ),
         )
     } else {
         condition.add(
-            hash::Column::Id.in_subquery(
+            content_descriptor::Column::Id.in_subquery(
                 Query::select()
-                    .expr(Expr::col(hash_tag::Column::HashId))
+                    .expr(Expr::col(content_descriptor_tag::Column::CdId))
-                    .from(hash_tag::Entity)
+                    .from(content_descriptor_tag::Entity)
-                    .cond_where(hash_tag::Column::TagId.eq(tag_id))
+                    .cond_where(content_descriptor_tag::Column::TagId.eq(tag_id))
                     .to_owned(),
             ),
         )

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

@@ -0,0 +1,110 @@
+use std::fmt::Debug;
+
+use chrono::{Local, NaiveDateTime};
+use sea_orm::prelude::*;
+use sea_orm::{DatabaseConnection, Set};
+
+use mediarepo_core::error::RepoResult;
+use mediarepo_database::entities::file_metadata;
+
+#[derive(Clone)]
+pub struct FileMetadata {
+    db: DatabaseConnection,
+    model: file_metadata::Model,
+}
+
+impl FileMetadata {
+    #[tracing::instrument(level = "trace")]
+    pub(crate) fn new(db: DatabaseConnection, model: file_metadata::Model) -> Self {
+        Self { db, model }
+    }
+
+    /// Fetches the file by id
+    #[tracing::instrument(level = "debug", skip(db))]
+    pub async fn by_id(db: DatabaseConnection, id: i64) -> RepoResult<Option<Self>> {
+        let file_metadata = file_metadata::Entity::find_by_id(id)
+            .one(&db)
+            .await?
+            .map(|m| FileMetadata::new(db, m));
+
+        Ok(file_metadata)
+    }
+
+    /// Adds a file with its hash to the database
+    #[tracing::instrument(level = "debug", skip(db))]
+    pub(crate) async fn add(
+        db: DatabaseConnection,
+        file_id: i64,
+        size: i64,
+        creation_time: NaiveDateTime,
+        change_time: NaiveDateTime,
+    ) -> RepoResult<Self> {
+        let file = file_metadata::ActiveModel {
+            file_id: Set(file_id),
+            size: Set(size),
+            import_time: Set(Local::now().naive_local()),
+            creation_time: Set(creation_time),
+            change_time: Set(change_time),
+            ..Default::default()
+        };
+        let model = file.insert(&db).await?;
+
+        Ok(Self::new(db, model))
+    }
+
+    pub fn file_id(&self) -> i64 {
+        self.model.file_id
+    }
+
+    pub fn size(&self) -> i64 {
+        self.model.size
+    }
+
+    pub fn name(&self) -> &Option<String> {
+        &self.model.name
+    }
+
+    pub fn comment(&self) -> &Option<String> {
+        &self.model.comment
+    }
+
+    pub fn import_time(&self) -> &NaiveDateTime {
+        &self.model.import_time
+    }
+
+    pub fn creation_time(&self) -> &NaiveDateTime {
+        &self.model.creation_time
+    }
+
+    pub fn change_time(&self) -> &NaiveDateTime {
+        &self.model.change_time
+    }
+
+    /// Changes the name of the file
+    #[tracing::instrument(level = "debug", skip(self))]
+    pub async fn set_name<S: ToString + Debug>(&mut self, name: S) -> RepoResult<()> {
+        let mut active_model = self.get_active_model();
+        active_model.name = Set(Some(name.to_string()));
+        self.model = active_model.update(&self.db).await?;
+
+        Ok(())
+    }
+
+    /// Changes the comment of the file
+    #[tracing::instrument(level = "debug", skip(self))]
+    pub async fn set_comment<S: ToString + Debug>(&mut self, comment: S) -> RepoResult<()> {
+        let mut active_file = self.get_active_model();
+        active_file.comment = Set(Some(comment.to_string()));
+        self.model = active_file.update(&self.db).await?;
+
+        Ok(())
+    }
+
+    /// Returns the active model of the file with only the id set
+    fn get_active_model(&self) -> file_metadata::ActiveModel {
+        file_metadata::ActiveModel {
+            file_id: Set(self.file_id()),
+            ..Default::default()
+        }
+    }
+}

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

@@ -1,22 +0,0 @@
-use mime::Mime;
-use serde::{Deserialize, Serialize};
-
-#[derive(Clone, Debug, Serialize, Deserialize, PartialOrd, PartialEq)]
-pub enum FileType {
-    Other = -1,
-    Unknown = 0,
-    Image = 1,
-    Video = 2,
-    Audio = 3,
-}
-
-impl From<Mime> for FileType {
-    fn from(mime_type: Mime) -> Self {
-        match mime_type.type_() {
-            mime::IMAGE => Self::Image,
-            mime::VIDEO => Self::Video,
-            mime::AUDIO => Self::Audio,
-            _ => Self::Other,
-        }
-    }
-}

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

@@ -1,7 +1,7 @@
+pub mod content_descriptor;
 pub mod file;
-pub mod file_type;
+pub mod file_metadata;
 pub mod handles;
-pub mod hash;
 pub mod namespace;
 pub mod repo;
 pub mod storage;

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

@@ -1,10 +1,11 @@
 use crate::file::File;
-use crate::file_type::FileType;
+use crate::file_metadata::FileMetadata;
 use crate::namespace::Namespace;
 use crate::storage::Storage;
 use crate::tag::Tag;
 use crate::thumbnail::Thumbnail;
 use chrono::{Local, NaiveDateTime};
+use mediarepo_core::content_descriptor::encode_content_descriptor;
 use mediarepo_core::error::{RepoError, RepoResult};
 use mediarepo_core::fs::thumbnail_store::{Dimensions, ThumbnailStore};
 use mediarepo_core::itertools::Itertools;
@@ -20,7 +21,7 @@ use std::iter::FromIterator;
 use std::path::PathBuf;
 use std::str::FromStr;
 use tokio::fs::OpenOptions;
-use tokio::io::BufReader;
+use tokio::io::AsyncReadExt;
 
 #[derive(Clone)]
 pub struct Repo {
@@ -91,8 +92,8 @@ impl Repo {
 
     /// Returns a file by its mapped hash
     #[tracing::instrument(level = "debug", skip(self))]
-    pub async fn file_by_hash<S: AsRef<str> + Debug>(&self, hash: S) -> RepoResult<Option<File>> {
+    pub async fn file_by_cd<S: AsRef<str> + Debug>(&self, hash: S) -> RepoResult<Option<File>> {
-        File::by_hash(self.db.clone(), hash).await
+        File::by_cd(self.db.clone(), hash).await
     }
 
     /// Returns a file by id
@@ -138,47 +139,40 @@ impl Repo {
         change_time: NaiveDateTime,
     ) -> RepoResult<File> {
         let storage = self.get_main_storage()?;
+        let file_size = content.len();
         let reader = Cursor::new(content);
         let hash = storage.store_entry(reader).await?;
 
-        let (mime_type, file_type) = mime_type
+        let mime_type = mime_type
             .and_then(|m| mime::Mime::from_str(&m).ok())
-            .map(|m| (Some(m.to_string()), FileType::from(m)))
+            .unwrap_or_else(|| mime::APPLICATION_OCTET_STREAM)
-            .unwrap_or((None, FileType::Unknown));
+            .to_string();
 
-        File::add(
+        let file = File::add(self.db.clone(), storage.id(), hash.id(), mime_type).await?;
+        FileMetadata::add(
             self.db.clone(),
-            storage.id(),
+            file.id(),
-            hash.id(),
+            file_size as i64,
-            file_type,
-            mime_type,
             creation_time,
             change_time,
         )
-        .await
+        .await?;
+
+        Ok(file)
     }
 
     /// Adds a file to the database by its readable path in the file system
     #[tracing::instrument(level = "debug", skip(self))]
     pub async fn add_file_by_path(&self, path: PathBuf) -> RepoResult<File> {
-        let mime_match = mime_guess::from_path(&path).first();
+        let mime_type = mime_guess::from_path(&path).first().map(|m| m.to_string());
 
-        let (mime_type, file_type) = if let Some(mime) = mime_match {
+        let mut os_file = OpenOptions::new().read(true).open(&path).await?;
-            (Some(mime.clone().to_string()), FileType::from(mime))
+        let mut buf = Vec::new();
-        } else {
+        os_file.read_to_end(&mut buf).await?;
-            (None, FileType::Unknown)
-        };
-        let os_file = OpenOptions::new().read(true).open(&path).await?;
-        let reader = BufReader::new(os_file);
 
-        let storage = self.get_main_storage()?;
+        self.add_file(
-        let hash = storage.store_entry(reader).await?;
-        File::add(
-            self.db.clone(),
-            storage.id(),
-            hash.id(),
-            file_type,
             mime_type,
+            buf,
             Local::now().naive_local(),
             Local::now().naive_local(),
         )
@@ -186,14 +180,15 @@ impl Repo {
     }
 
     /// Returns all thumbnails of a file
-    pub async fn get_file_thumbnails(&self, file_hash: String) -> RepoResult<Vec<Thumbnail>> {
+    pub async fn get_file_thumbnails(&self, file_cd: &[u8]) -> RepoResult<Vec<Thumbnail>> {
         let thumb_store = self.get_thumbnail_storage()?;
+        let file_cd = encode_content_descriptor(file_cd);
         let thumbnails = thumb_store
-            .get_thumbnails(&file_hash)
+            .get_thumbnails(&file_cd)
             .await?
             .into_iter()
             .map(|(size, path)| Thumbnail {
-                file_hash: file_hash.to_owned(),
+                file_hash: file_cd.to_owned(),
                 path,
                 size,
                 mime_type: mime::IMAGE_PNG.to_string(),
@@ -214,7 +209,7 @@ impl Repo {
 
         for thumb in thumbs {
             let entry = self
-                .store_single_thumbnail(file.hash().to_owned(), thumb_storage, height, width, thumb)
+                .store_single_thumbnail(file.encoded_cd(), thumb_storage, height, width, thumb)
                 .await?;
             created_thumbs.push(entry);
         }
@@ -236,7 +231,7 @@ impl Repo {
             .pop()
             .ok_or_else(|| RepoError::from("Failed to create thumbnail"))?;
         let thumbnail = self
-            .store_single_thumbnail(file.hash().to_owned(), thumb_storage, height, width, thumb)
+            .store_single_thumbnail(file.encoded_cd(), thumb_storage, height, width, thumb)
             .await?;
 
         Ok(thumbnail)
@@ -288,7 +283,10 @@ impl Repo {
 
     /// Finds all tags that are assigned to the given list of hashes
     #[tracing::instrument(level = "debug", skip_all)]
-    pub async fn find_tags_for_hashes(&self, hashes: Vec<String>) -> RepoResult<Vec<Tag>> {
+    pub async fn find_tags_for_file_identifiers(
+        &self,
+        hashes: Vec<Vec<u8>>,
+    ) -> RepoResult<Vec<Tag>> {
         Tag::for_hash_list(self.db.clone(), hashes).await
     }
 

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

@@ -1,4 +1,4 @@
-use crate::hash::Hash;
+use crate::content_descriptor::Hash;
 use mediarepo_core::error::RepoResult;
 use mediarepo_core::fs::file_hash_store::FileHashStore;
 use mediarepo_database::entities::storage;
@@ -172,11 +172,11 @@ impl Storage {
 
     /// Returns the buf reader to the given hash
     #[tracing::instrument(level = "debug", skip(self))]
-    pub async fn get_file_reader<S: ToString + Debug>(
+    pub async fn get_file_reader(
         &self,
-        hash: S,
+        descriptor: &[u8],
     ) -> RepoResult<BufReader<tokio::fs::File>> {
-        let (_ext, reader) = self.store.get_file(hash.to_string()).await?;
+        let (_ext, reader) = self.store.get_file(descriptor).await?;
 
         Ok(reader)
     }

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

@@ -1,8 +1,8 @@
 use std::fmt::Debug;
 
 use mediarepo_core::error::RepoResult;
-use mediarepo_database::entities::hash;
+use mediarepo_database::entities::content_descriptor;
-use mediarepo_database::entities::hash_tag;
+use mediarepo_database::entities::content_descriptor_tag;
 use mediarepo_database::entities::namespace;
 use mediarepo_database::entities::tag;
 use sea_orm::prelude::*;
@@ -120,13 +120,19 @@ impl Tag {
     #[tracing::instrument(level = "debug", skip_all)]
     pub async fn for_hash_list(
         db: DatabaseConnection,
-        hashes: Vec<String>,
+        hashes: Vec<Vec<u8>>,
     ) -> RepoResult<Vec<Self>> {
         let tags: Vec<Self> = tag::Entity::find()
             .find_also_related(namespace::Entity)
-            .join(JoinType::LeftJoin, hash_tag::Relation::Tag.def().rev())
+            .join(
-            .join(JoinType::InnerJoin, hash_tag::Relation::Hash.def())
+                JoinType::LeftJoin,
-            .filter(hash::Column::Value.is_in(hashes))
+                content_descriptor_tag::Relation::Tag.def().rev(),
+            )
+            .join(
+                JoinType::InnerJoin,
+                content_descriptor_tag::Relation::ContentDescriptorId.def(),
+            )
+            .filter(content_descriptor::Column::Descriptor.is_in(hashes))
             .group_by(tag::Column::Id)
             .all(&db)
             .await?

mediarepo-daemon/mediarepo-socket/Cargo.toml

@@ -11,6 +11,7 @@ serde = "^1.0.130"
 tracing = "^0.1.29"
 compare = "^0.1.0"
 port_check = "^0.1.5"
+rayon = "1.5.1"
 
 [dependencies.mediarepo-core]
 path = "../mediarepo-core"

mediarepo-daemon/mediarepo-socket/src/from_model.rs

@@ -1,8 +1,9 @@
 use mediarepo_core::mediarepo_api::types::files::{
-    FileMetadataResponse, ThumbnailMetadataResponse,
+    FileBasicDataResponse, FileMetadataResponse, FileStatus, ThumbnailMetadataResponse,
 };
 use mediarepo_core::mediarepo_api::types::tags::{NamespaceResponse, TagResponse};
-use mediarepo_model::file::File;
+use mediarepo_model::file::{File, FileStatus as FileStatusModel};
+use mediarepo_model::file_metadata::FileMetadata;
 use mediarepo_model::namespace::Namespace;
 use mediarepo_model::tag::Tag;
 use mediarepo_model::thumbnail::Thumbnail;
@@ -11,18 +12,37 @@ pub trait FromModel<M> {
     fn from_model(model: M) -> Self;
 }
 
-impl FromModel<File> for FileMetadataResponse {
+impl FromModel<FileMetadata> for FileMetadataResponse {
-    fn from_model(file: File) -> Self {
+    fn from_model(metadata: FileMetadata) -> Self {
         Self {
+            file_id: metadata.file_id(),
+            name: metadata.name().to_owned(),
+            comment: metadata.comment().to_owned(),
+            file_type: 0,
+            creation_time: metadata.creation_time().to_owned(),
+            change_time: metadata.change_time().to_owned(),
+            import_time: metadata.import_time().to_owned(),
+        }
+    }
+}
+
+impl FromModel<File> for FileBasicDataResponse {
+    fn from_model(file: File) -> Self {
+        FileBasicDataResponse {
             id: file.id(),
-            name: file.name().to_owned(),
+            status: FileStatus::from_model(file.status()),
-            comment: file.comment().to_owned(),
+            cid: file.encoded_cd(),
-            hash: file.hash().to_owned(),
-            file_type: file.file_type() as u32,
             mime_type: file.mime_type().to_owned(),
-            creation_time: file.creation_time().to_owned(),
+        }
-            change_time: file.change_time().to_owned(),
+    }
-            import_time: file.import_time().to_owned(),
+}
+
+impl FromModel<FileStatusModel> for FileStatus {
+    fn from_model(status: FileStatusModel) -> Self {
+        match status {
+            FileStatusModel::Imported => FileStatus::Imported,
+            FileStatusModel::Archived => FileStatus::Archived,
+            FileStatusModel::Deleted => FileStatus::Deleted,
         }
     }
 }

mediarepo-daemon/mediarepo-socket/src/namespaces/files.rs

@@ -1,20 +1,20 @@
 use crate::from_model::FromModel;
-use crate::utils::{file_by_identifier, get_repo_from_context, hash_by_identifier};
+use crate::utils::{cd_by_identifier, file_by_identifier, get_repo_from_context};
 use chrono::NaiveDateTime;
 use compare::Compare;
 use mediarepo_core::bromine::prelude::*;
 use mediarepo_core::fs::thumbnail_store::Dimensions;
 use mediarepo_core::itertools::Itertools;
 use mediarepo_core::mediarepo_api::types::files::{
-    AddFileRequestHeader, FileMetadataResponse, FilterExpression, FindFilesRequest,
+    AddFileRequestHeader, FileBasicDataResponse, FileMetadataResponse, FilterExpression,
-    GetFileThumbnailOfSizeRequest, GetFileThumbnailsRequest, ReadFileRequest, SortDirection,
+    FindFilesRequest, GetFileThumbnailOfSizeRequest, GetFileThumbnailsRequest, ReadFileRequest,
-    SortKey, ThumbnailMetadataResponse, UpdateFileNameRequest,
+    SortDirection, SortKey, ThumbnailMetadataResponse, UpdateFileNameRequest,
 };
 use mediarepo_core::mediarepo_api::types::identifier::FileIdentifier;
 use mediarepo_core::thumbnailer::ThumbnailSize;
 use mediarepo_core::utils::parse_namespace_and_tag;
 use mediarepo_database::queries::tags::{
-    get_hashes_with_namespaced_tags, get_hashes_with_tag_count,
+    get_cids_with_namespaced_tags, get_content_descriptors_with_tag_count,
 };
 use std::cmp::Ordering;
 use std::collections::HashMap;
@@ -24,7 +24,7 @@ pub struct FilesNamespace;
 pub struct FileSortContext {
     name: Option<String>,
     size: u64,
-    mime_type: Option<String>,
+    mime_type: String,
     namespaces: HashMap<String, Vec<String>>,
     tag_count: u32,
     import_time: NaiveDateTime,
@@ -41,6 +41,7 @@ impl NamespaceProvider for FilesNamespace {
         events!(handler,
             "all_files" => Self::all_files,
             "get_file" => Self::get_file,
+            "get_file_metadata" => Self::get_file_metadata,
             "get_files" => Self::get_files,
             "find_files" => Self::find_files,
             "add_file" => Self::add_file,
@@ -60,9 +61,9 @@ impl FilesNamespace {
         let repo = get_repo_from_context(ctx).await;
         let files = repo.files().await?;
 
-        let responses: Vec<FileMetadataResponse> = files
+        let responses: Vec<FileBasicDataResponse> = files
             .into_iter()
-            .map(FileMetadataResponse::from_model)
+            .map(FileBasicDataResponse::from_model)
             .collect();
 
         ctx.emit_to(Self::name(), "all_files", responses).await?;
@@ -76,12 +77,29 @@ impl FilesNamespace {
         let id = event.payload::<FileIdentifier>()?;
         let repo = get_repo_from_context(ctx).await;
         let file = file_by_identifier(id, &repo).await?;
-        let response = FileMetadataResponse::from_model(file);
+        let response = FileBasicDataResponse::from_model(file);
         ctx.emit_to(Self::name(), "get_file", response).await?;
 
         Ok(())
     }
 
+    /// Returns metadata for a given file
+    #[tracing::instrument(skip_all)]
+    async fn get_file_metadata(ctx: &Context, event: Event) -> IPCResult<()> {
+        let id = event.payload::<FileIdentifier>()?;
+        let repo = get_repo_from_context(ctx).await;
+        let file = file_by_identifier(id, &repo).await?;
+        let metadata = file.metadata().await?;
+        ctx.emit_to(
+            Self::name(),
+            "get_file_metadata",
+            FileMetadataResponse::from_model(metadata),
+        )
+        .await?;
+
+        Ok(())
+    }
+
     /// Returns a list of files by identifier
     #[tracing::instrument(skip_all)]
     async fn get_files(ctx: &Context, event: Event) -> IPCResult<()> {
@@ -93,7 +111,7 @@ impl FilesNamespace {
             responses.push(
                 file_by_identifier(id, &repo)
                     .await
-                    .map(FileMetadataResponse::from_model)?,
+                    .map(FileBasicDataResponse::from_model)?,
             );
         }
         ctx.emit_to(Self::name(), "get_files", responses).await?;
@@ -121,26 +139,28 @@ impl FilesNamespace {
             .collect();
 
         let mut files = repo.find_files_by_tags(tags).await?;
-        let hash_ids: Vec<i64> = files.iter().map(|f| f.hash_id()).collect();
+        let hash_ids: Vec<i64> = files.iter().map(|f| f.cd_id()).collect();
 
-        let mut hash_nsp: HashMap<i64, HashMap<String, Vec<String>>> =
+        let mut cid_nsp: HashMap<i64, HashMap<String, Vec<String>>> =
-            get_hashes_with_namespaced_tags(repo.db(), hash_ids.clone()).await?;
+            get_cids_with_namespaced_tags(repo.db(), hash_ids.clone()).await?;
-        let mut hash_tag_counts = get_hashes_with_tag_count(repo.db(), hash_ids).await?;
+        let mut cid_tag_counts =
+            get_content_descriptors_with_tag_count(repo.db(), hash_ids).await?;
 
         let mut contexts = HashMap::new();
 
         for file in &files {
+            let metadata = file.metadata().await?;
             let context = FileSortContext {
-                name: file.name().to_owned(),
+                name: metadata.name().to_owned(),
-                size: file.get_size().await?,
+                size: metadata.size() as u64,
                 mime_type: file.mime_type().to_owned(),
-                namespaces: hash_nsp
+                namespaces: cid_nsp
-                    .remove(&file.hash_id())
+                    .remove(&file.cd_id())
                     .unwrap_or(HashMap::with_capacity(0)),
-                tag_count: hash_tag_counts.remove(&file.hash_id()).unwrap_or(0),
+                tag_count: cid_tag_counts.remove(&file.cd_id()).unwrap_or(0),
-                import_time: file.import_time().to_owned(),
+                import_time: metadata.import_time().to_owned(),
-                create_time: file.import_time().to_owned(),
+                create_time: metadata.import_time().to_owned(),
-                change_time: file.change_time().to_owned(),
+                change_time: metadata.change_time().to_owned(),
             };
             contexts.insert(file.id(), context);
         }
@@ -155,9 +175,9 @@ impl FilesNamespace {
             )
         });
 
-        let responses: Vec<FileMetadataResponse> = files
+        let responses: Vec<FileBasicDataResponse> = files
             .into_iter()
-            .map(FileMetadataResponse::from_model)
+            .map(FileBasicDataResponse::from_model)
             .collect();
         ctx.emit_to(Self::name(), "find_files", responses).await?;
         Ok(())
@@ -172,7 +192,7 @@ impl FilesNamespace {
         let AddFileRequestHeader { metadata, tags } = request;
         let repo = get_repo_from_context(ctx).await;
 
-        let mut file = repo
+        let file = repo
             .add_file(
                 metadata.mime_type,
                 bytes.into_inner(),
@@ -180,7 +200,7 @@ impl FilesNamespace {
                 metadata.change_time,
             )
             .await?;
-        file.set_name(metadata.name).await?;
+        file.metadata().await?.set_name(metadata.name).await?;
 
         let tags = repo
             .add_all_tags(tags.into_iter().map(parse_namespace_and_tag).collect())
@@ -191,7 +211,7 @@ impl FilesNamespace {
         ctx.emit_to(
             Self::name(),
             "add_file",
-            FileMetadataResponse::from_model(file),
+            FileBasicDataResponse::from_model(file),
         )
         .await?;
 
@@ -220,8 +240,8 @@ impl FilesNamespace {
     async fn thumbnails(ctx: &Context, event: Event) -> IPCResult<()> {
         let request = event.payload::<GetFileThumbnailsRequest>()?;
         let repo = get_repo_from_context(ctx).await;
-        let file_hash = hash_by_identifier(request.id.clone(), &repo).await?;
+        let file_cd = cd_by_identifier(request.id.clone(), &repo).await?;
-        let mut thumbnails = repo.get_file_thumbnails(file_hash).await?;
+        let mut thumbnails = repo.get_file_thumbnails(&file_cd).await?;
 
         if thumbnails.is_empty() {
             tracing::debug!("No thumbnails for file found. Creating thumbnails...");
@@ -245,8 +265,8 @@ impl FilesNamespace {
     async fn get_thumbnail_of_size(ctx: &Context, event: Event) -> IPCResult<()> {
         let request = event.payload::<GetFileThumbnailOfSizeRequest>()?;
         let repo = get_repo_from_context(ctx).await;
-        let file_hash = hash_by_identifier(request.id.clone(), &repo).await?;
+        let file_cd = cd_by_identifier(request.id.clone(), &repo).await?;
-        let thumbnails = repo.get_file_thumbnails(file_hash).await?;
+        let thumbnails = repo.get_file_thumbnails(&file_cd).await?;
         let min_size = request.min_size;
         let max_size = request.max_size;
 
@@ -289,12 +309,14 @@ impl FilesNamespace {
     async fn update_file_name(ctx: &Context, event: Event) -> IPCResult<()> {
         let repo = get_repo_from_context(ctx).await;
         let request = event.payload::<UpdateFileNameRequest>()?;
-        let mut file = file_by_identifier(request.file_id, &repo).await?;
+        let file = file_by_identifier(request.file_id, &repo).await?;
-        file.set_name(request.name).await?;
+        let mut metadata = file.metadata().await?;
+        metadata.set_name(request.name).await?;
+
         ctx.emit_to(
             Self::name(),
             "update_file_name",
-            FileMetadataResponse::from_model(file),
+            FileMetadataResponse::from_model(metadata),
         )
         .await?;
 
@@ -307,7 +329,7 @@ impl FilesNamespace {
         let repo = get_repo_from_context(ctx).await;
         let id = event.payload::<FileIdentifier>()?;
         let file = file_by_identifier(id, &repo).await?;
-        let thumbnails = repo.get_file_thumbnails(file.hash().to_owned()).await?;
+        let thumbnails = repo.get_file_thumbnails(file.cd()).await?;
 
         for thumb in thumbnails {
             thumb.delete().await?;
@@ -363,7 +385,7 @@ fn compare_files(
                 direction,
             ),
             SortKey::FileType(direction) => {
-                adjust_for_dir(compare_opts(&ctx_a.mime_type, &ctx_b.mime_type), direction)
+                adjust_for_dir(ctx_a.mime_type.cmp(&ctx_b.mime_type), direction)
             }
             SortKey::NumTags(direction) => adjust_for_dir(
                 cmp_u32.compare(&ctx_a.tag_count, &ctx_b.tag_count),

mediarepo-daemon/mediarepo-socket/src/namespaces/repo.rs

@@ -40,7 +40,7 @@ impl RepoNamespace {
             tag_count: counts.tag_count as u64,
             namespace_count: counts.namespace_count as u64,
             mapping_count: counts.mapping_count as u64,
-            hash_count: counts.hash_count as u64,
+            hash_count: counts.cd_count as u64,
         };
 
         tracing::debug!("metadata = {:?}", metadata);

mediarepo-daemon/mediarepo-socket/src/namespaces/tags.rs

@@ -1,10 +1,12 @@
 use crate::from_model::FromModel;
 use crate::utils::{file_by_identifier, get_repo_from_context};
 use mediarepo_core::bromine::prelude::*;
+use mediarepo_core::content_descriptor::decode_content_descriptor;
 use mediarepo_core::mediarepo_api::types::files::{GetFileTagsRequest, GetFilesTagsRequest};
 use mediarepo_core::mediarepo_api::types::tags::{
     ChangeFileTagsRequest, NamespaceResponse, TagResponse,
 };
+use rayon::iter::{IntoParallelIterator, ParallelIterator};
 
 pub struct TagsNamespace;
 
@@ -78,7 +80,13 @@ impl TagsNamespace {
         let repo = get_repo_from_context(ctx).await;
         let request = event.payload::<GetFilesTagsRequest>()?;
         let tag_responses: Vec<TagResponse> = repo
-            .find_tags_for_hashes(request.hashes)
+            .find_tags_for_file_identifiers(
+                request
+                    .cds
+                    .into_par_iter()
+                    .filter_map(|c| decode_content_descriptor(c).ok())
+                    .collect(),
+            )
             .await?
             .into_iter()
             .map(TagResponse::from_model)

mediarepo-daemon/mediarepo-socket/src/utils.rs

@@ -1,4 +1,5 @@
 use mediarepo_core::bromine::ipc::context::Context;
+use mediarepo_core::content_descriptor::decode_content_descriptor;
 use mediarepo_core::error::{RepoError, RepoResult};
 use mediarepo_core::mediarepo_api::types::identifier::FileIdentifier;
 use mediarepo_model::file::File;
@@ -15,20 +16,20 @@ pub async fn get_repo_from_context(ctx: &Context) -> Arc<Repo> {
 pub async fn file_by_identifier(identifier: FileIdentifier, repo: &Repo) -> RepoResult<File> {
     let file = match identifier {
         FileIdentifier::ID(id) => repo.file_by_id(id).await,
-        FileIdentifier::Hash(hash) => repo.file_by_hash(hash).await,
+        FileIdentifier::CD(cd) => repo.file_by_cd(cd).await,
     }?;
     file.ok_or_else(|| RepoError::from("Thumbnail not found"))
 }
 
-pub async fn hash_by_identifier(identifier: FileIdentifier, repo: &Repo) -> RepoResult<String> {
+pub async fn cd_by_identifier(identifier: FileIdentifier, repo: &Repo) -> RepoResult<Vec<u8>> {
     match identifier {
         FileIdentifier::ID(id) => {
             let file = repo
                 .file_by_id(id)
                 .await?
                 .ok_or_else(|| "Thumbnail not found")?;
-            Ok(file.hash().to_owned())
+            Ok(file.cd().to_owned())
         }
-        FileIdentifier::Hash(hash) => Ok(hash),
+        FileIdentifier::CD(cd) => decode_content_descriptor(cd),
     }
 }

mediarepo-daemon/src/main.rs

@@ -291,7 +291,7 @@ async fn add_tags_from_tags_file(
 
 #[tracing::instrument(skip(repo, file))]
 async fn create_file_thumbnails(repo: &Repo, file: File) -> RepoResult<()> {
-    let file_thumbnails = repo.get_file_thumbnails(file.hash().to_owned()).await?;
+    let file_thumbnails = repo.get_file_thumbnails(file.cd()).await?;
 
     if file_thumbnails.is_empty() {
         repo.create_thumbnails_for_file(&file).await?;