refactor: split gpodder repository and the sqlite data store implementation into separate crates

The complete separation of concerns via the gpodder repository allows us
to cleanly separate the server from the gpodder specification. This
paves the way for a later Postgres implementation of the data store.
main
Jef Roosens 2025-03-19 08:54:49 +01:00
parent 86687a7b96
commit 0cfcd90eba
No known key found for this signature in database
GPG Key ID: 21FD3D77D56BAF49
45 changed files with 2416 additions and 882 deletions

35
Cargo.lock generated
View File

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View File

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@ -5,6 +5,7 @@ use std::fmt::Display;
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"num-conv",
"powerfmt",
"serde",
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"toml_datetime",
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"toml_datetime",
"winnow",
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version = "0.2.100"
source = "registry+https://github.com/rust-lang/crates.io-index"
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"windows_aarch64_msvc",
"windows_i686_gnu",
"windows_i686_gnullvm",
"windows_i686_msvc",
"windows_x86_64_gnu",
"windows_x86_64_gnullvm",
"windows_x86_64_msvc",
]
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name = "windows_aarch64_gnullvm"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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[[package]]
name = "zerocopy"
version = "0.8.23"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "fd97444d05a4328b90e75e503a34bad781f14e28a823ad3557f0750df1ebcbc6"
dependencies = [
"zerocopy-derive",
]
[[package]]
name = "zerocopy-derive"
version = "0.8.23"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6352c01d0edd5db859a63e2605f4ea3183ddbd15e2c4a9e7d32184df75e4f154"
dependencies = [
"proc-macro2",
"quote",
"syn",
]

View File

@ -0,0 +1,13 @@
[package]
name = "gpodder_sqlite"
version = "0.1.0"
edition = "2021"
[dependencies]
gpodder = { path = "../gpodder" }
diesel = { version = "2.2.7", features = ["r2d2", "sqlite", "returning_clauses_for_sqlite_3_35"] }
diesel_migrations = { version = "2.2.0", features = ["sqlite"] }
tracing = "0.1.41"
chrono = { version = "0.4.39", features = ["serde"] }
rand = "0.8.5"
libsqlite3-sys = { version = "0.31.0", features = ["bundled"] }

View File

@ -1,4 +1,4 @@
pub mod models;
mod models;
mod repository;
mod schema;
@ -6,13 +6,6 @@ use diesel::connection::InstrumentationEvent;
use diesel::r2d2::CustomizeConnection;
use diesel::Connection;
pub use models::device::{Device, DeviceType, NewDevice};
pub use models::device_subscription::{DeviceSubscription, NewDeviceSubscription};
pub use models::episode_action::{ActionType, EpisodeAction, NewEpisodeAction};
pub use models::session::Session;
pub use models::sync_group::SyncGroup;
pub use models::user::{NewUser, User};
pub use repository::SqliteRepository;
use diesel::{
@ -64,6 +57,15 @@ impl From<diesel::result::Error> for DbError {
}
}
impl From<DbError> for gpodder::AuthErr {
fn from(value: DbError) -> Self {
match value {
DbError::Pool(err) => Self::Other(Box::new(err)),
DbError::Db(err) => Self::Other(Box::new(err)),
}
}
}
#[derive(Debug)]
pub struct AddQueryDebugLogs;

View File

@ -8,11 +8,10 @@ use diesel::{
sql_types::Text,
sqlite::{Sqlite, SqliteValue},
};
use serde::{Deserialize, Serialize};
use crate::db::{schema::*, DbPool, DbResult};
use crate::schema::*;
#[derive(Serialize, Deserialize, Clone, Queryable, Selectable)]
#[derive(Clone, Queryable, Selectable)]
#[diesel(table_name = devices)]
#[diesel(check_for_backend(diesel::sqlite::Sqlite))]
pub struct Device {
@ -24,7 +23,7 @@ pub struct Device {
pub sync_group_id: Option<i64>,
}
#[derive(Deserialize, Insertable)]
#[derive(Insertable)]
#[diesel(table_name = devices)]
#[diesel(check_for_backend(diesel::sqlite::Sqlite))]
pub struct NewDevice {
@ -34,9 +33,8 @@ pub struct NewDevice {
pub type_: DeviceType,
}
#[derive(Serialize, Deserialize, FromSqlRow, Debug, AsExpression, Clone)]
#[derive(FromSqlRow, Debug, AsExpression, Clone)]
#[diesel(sql_type = Text)]
#[serde(rename_all = "lowercase")]
pub enum DeviceType {
Desktop,
Laptop,
@ -46,13 +44,6 @@ pub enum DeviceType {
}
impl Device {
pub fn for_user(pool: &DbPool, user_id: i64) -> DbResult<Vec<Self>> {
Ok(devices::dsl::devices
.select(Self::as_select())
.filter(devices::user_id.eq(user_id))
.get_results(&mut pool.get()?)?)
}
pub fn device_id_to_id(
conn: &mut SqliteConnection,
user_id: i64,
@ -82,22 +73,6 @@ impl Device {
)
.get_result(conn)
}
pub fn update(&self, pool: &DbPool) -> DbResult<()> {
Ok(diesel::update(
devices::table.filter(
devices::user_id
.eq(self.user_id)
.and(devices::device_id.eq(&self.device_id)),
),
)
.set((
devices::caption.eq(&self.caption),
devices::type_.eq(&self.type_),
))
.execute(&mut pool.get()?)
.map(|_| ())?)
}
}
impl NewDevice {
@ -109,13 +84,6 @@ impl NewDevice {
type_,
}
}
pub fn insert(self, pool: &DbPool) -> DbResult<Device> {
Ok(diesel::insert_into(devices::table)
.values(&self)
.returning(Device::as_returning())
.get_result(&mut pool.get()?)?)
}
}
impl fmt::Display for DeviceType {

View File

@ -1,9 +1,8 @@
use diesel::prelude::*;
use serde::{Deserialize, Serialize};
use crate::db::schema::*;
use crate::schema::*;
#[derive(Serialize, Deserialize, Clone, Queryable, Selectable)]
#[derive(Clone, Queryable, Selectable)]
#[diesel(table_name = device_subscriptions)]
#[diesel(check_for_backend(diesel::sqlite::Sqlite))]
pub struct DeviceSubscription {
@ -14,7 +13,7 @@ pub struct DeviceSubscription {
pub deleted: bool,
}
#[derive(Deserialize, Insertable)]
#[derive(Insertable)]
#[diesel(table_name = device_subscriptions)]
#[diesel(check_for_backend(diesel::sqlite::Sqlite))]
pub struct NewDeviceSubscription {

View File

@ -9,11 +9,10 @@ use diesel::{
sqlite::{Sqlite, SqliteValue},
Selectable,
};
use serde::{Deserialize, Serialize};
use crate::db::schema::*;
use crate::schema::*;
#[derive(Serialize, Deserialize, Clone, Queryable, Selectable)]
#[derive(Clone, Queryable, Selectable)]
#[diesel(table_name = episode_actions)]
#[diesel(check_for_backend(diesel::sqlite::Sqlite))]
pub struct EpisodeAction {
@ -30,7 +29,7 @@ pub struct EpisodeAction {
pub total: Option<i32>,
}
#[derive(Deserialize, Insertable)]
#[derive(Insertable)]
#[diesel(table_name = episode_actions)]
#[diesel(check_for_backend(diesel::sqlite::Sqlite))]
pub struct NewEpisodeAction {
@ -46,9 +45,8 @@ pub struct NewEpisodeAction {
pub total: Option<i32>,
}
#[derive(Serialize, Deserialize, FromSqlRow, Debug, AsExpression, Clone)]
#[derive(FromSqlRow, Debug, AsExpression, Clone)]
#[diesel(sql_type = Text)]
#[serde(rename_all = "lowercase")]
pub enum ActionType {
New,
Download,

View File

@ -0,0 +1,60 @@
use diesel::prelude::*;
use crate::schema::*;
#[derive(Clone, Queryable, Selectable, Insertable, Associations)]
#[diesel(belongs_to(super::user::User))]
#[diesel(table_name = sessions)]
#[diesel(check_for_backend(diesel::sqlite::Sqlite))]
pub struct Session {
pub id: i64,
pub user_id: i64,
pub last_seen: i64,
}
impl Session {
// pub fn new_for_user(pool: &DbPool, user_id: i64, last_seen: i64) -> DbResult<Self> {
// let id: i64 = rand::thread_rng().gen();
// Ok(Self {
// id,
// user_id,
// last_seen,
// }
// .insert_into(sessions::table)
// .returning(Self::as_returning())
// .get_result(&mut pool.get()?)?)
// }
// pub fn user_from_id(pool: &DbPool, id: i64) -> DbResult<Option<super::user::User>> {
// Ok(sessions::dsl::sessions
// .inner_join(users::table)
// .filter(sessions::id.eq(id))
// .select(User::as_select())
// .get_result(&mut pool.get()?)
// .optional()?)
// }
// pub fn user(&self, pool: &DbPool) -> DbResult<Option<super::user::User>> {
// Self::user_from_id(pool, self.id)
// }
// pub fn by_id(pool: &DbPool, id: i64) -> DbResult<Option<Self>> {
// Ok(sessions::dsl::sessions
// .find(id)
// .get_result(&mut pool.get()?)
// .optional()?)
// }
// pub fn remove(self, pool: &DbPool) -> DbResult<bool> {
// Self::remove_by_id(pool, self.id)
// }
// pub fn remove_by_id(pool: &DbPool, id: i64) -> DbResult<bool> {
// Ok(
// diesel::delete(sessions::dsl::sessions.filter(sessions::id.eq(id)))
// .execute(&mut pool.get()?)?
// > 0,
// )
// }
}

View File

@ -3,7 +3,7 @@ use diesel::{
prelude::*,
};
use crate::db::schema::*;
use crate::schema::*;
#[derive(Queryable, Selectable)]
#[diesel(table_name = sync_groups)]

View File

@ -0,0 +1,47 @@
use diesel::prelude::*;
use crate::schema::*;
#[derive(Clone, Queryable, Selectable)]
#[diesel(table_name = users)]
#[diesel(check_for_backend(diesel::sqlite::Sqlite))]
pub struct User {
pub id: i64,
pub username: String,
pub password_hash: String,
}
#[derive(Insertable)]
#[diesel(table_name = users)]
#[diesel(check_for_backend(diesel::sqlite::Sqlite))]
pub struct NewUser {
pub username: String,
pub password_hash: String,
}
// impl NewUser {
// pub fn new(username: String, password: String) -> Self {
// Self {
// username,
// password_hash: hash_password(&password),
// }
// }
// }
// impl User {
// pub fn by_username(pool: &DbPool, username: impl AsRef<str>) -> DbResult<Option<Self>> {
// Ok(users::dsl::users
// .select(User::as_select())
// .filter(users::username.eq(username.as_ref()))
// .first(&mut pool.get()?)
// .optional()?)
// }
// pub fn verify_password(&self, password: impl AsRef<str>) -> bool {
// let password_hash = PasswordHash::new(&self.password_hash).unwrap();
// Argon2::default()
// .verify_password(password.as_ref().as_bytes(), &password_hash)
// .is_ok()
// }
// }

View File

@ -1,26 +1,16 @@
use chrono::DateTime;
use diesel::prelude::*;
use gpodder::AuthErr;
use super::SqliteRepository;
use crate::{
db::{self, schema::*},
gpodder::{self, AuthErr},
models::{session::Session, user::User},
schema::*,
DbError,
};
impl From<diesel::r2d2::PoolError> for gpodder::AuthErr {
fn from(value: diesel::r2d2::PoolError) -> Self {
Self::Other(Box::new(value))
}
}
impl From<diesel::result::Error> for gpodder::AuthErr {
fn from(value: diesel::result::Error) -> Self {
Self::Other(Box::new(value))
}
}
impl From<db::User> for gpodder::User {
fn from(value: db::User) -> Self {
impl From<User> for gpodder::User {
fn from(value: User) -> Self {
Self {
id: value.id,
username: value.username,
@ -32,10 +22,11 @@ impl From<db::User> for gpodder::User {
impl gpodder::AuthStore for SqliteRepository {
fn get_user(&self, username: &str) -> Result<Option<gpodder::models::User>, AuthErr> {
Ok(users::table
.select(db::User::as_select())
.select(User::as_select())
.filter(users::username.eq(username))
.first(&mut self.pool.get()?)
.optional()?
.first(&mut self.pool.get().map_err(DbError::from)?)
.optional()
.map_err(DbError::from)?
.map(gpodder::User::from))
}
@ -43,35 +34,37 @@ impl gpodder::AuthStore for SqliteRepository {
match sessions::table
.inner_join(users::table)
.filter(sessions::id.eq(session_id))
.select((db::Session::as_select(), db::User::as_select()))
.get_result(&mut self.pool.get()?)
.select((Session::as_select(), User::as_select()))
.get_result(&mut self.pool.get().map_err(DbError::from)?)
{
Ok((session, user)) => Ok(Some(gpodder::Session {
id: session.id,
last_seen: DateTime::from_timestamp(session.last_seen, 0).unwrap(),
user: user.into(),
})),
Err(err) => Err(AuthErr::from(err)),
Err(err) => Err(DbError::from(err).into()),
}
}
fn remove_session(&self, session_id: i64) -> Result<(), AuthErr> {
Ok(
diesel::delete(sessions::table.filter(sessions::id.eq(session_id)))
.execute(&mut self.pool.get()?)
.map(|_| ())?,
.execute(&mut self.pool.get().map_err(DbError::from)?)
.map(|_| ())
.map_err(DbError::from)?,
)
}
fn insert_session(&self, session: &gpodder::Session) -> Result<(), AuthErr> {
Ok(db::Session {
Ok(Session {
id: session.id,
user_id: session.user.id,
last_seen: session.last_seen.timestamp(),
}
.insert_into(sessions::table)
.execute(&mut self.pool.get()?)
.map(|_| ())?)
.execute(&mut self.pool.get().map_err(DbError::from)?)
.map(|_| ())
.map_err(DbError::from)?)
}
fn refresh_session(
@ -81,7 +74,8 @@ impl gpodder::AuthStore for SqliteRepository {
) -> Result<(), AuthErr> {
if diesel::update(sessions::table.filter(sessions::id.eq(session.id)))
.set(sessions::last_seen.eq(timestamp.timestamp()))
.execute(&mut self.pool.get()?)?
.execute(&mut self.pool.get().map_err(DbError::from)?)
.map_err(DbError::from)?
== 0
{
Err(AuthErr::UnknownSession)
@ -95,7 +89,8 @@ impl gpodder::AuthStore for SqliteRepository {
Ok(
diesel::delete(sessions::table.filter(sessions::last_seen.lt(min_last_seen)))
.execute(&mut self.pool.get()?)?,
.execute(&mut self.pool.get().map_err(DbError::from)?)
.map_err(DbError::from)?,
)
}
}

View File

@ -0,0 +1,298 @@
use std::collections::HashSet;
use chrono::{DateTime, Utc};
use diesel::{alias, dsl::not, prelude::*};
use gpodder::AuthErr;
use super::SqliteRepository;
use crate::{
models::{
device::{Device, DeviceType, NewDevice},
sync_group::SyncGroup,
},
schema::*,
DbError,
};
impl From<DeviceType> for gpodder::DeviceType {
fn from(value: DeviceType) -> Self {
match value {
DeviceType::Desktop => Self::Desktop,
DeviceType::Laptop => Self::Laptop,
DeviceType::Mobile => Self::Mobile,
DeviceType::Server => Self::Server,
DeviceType::Other => Self::Other,
}
}
}
impl From<gpodder::DeviceType> for DeviceType {
fn from(value: gpodder::DeviceType) -> Self {
match value {
gpodder::DeviceType::Desktop => Self::Desktop,
gpodder::DeviceType::Laptop => Self::Laptop,
gpodder::DeviceType::Mobile => Self::Mobile,
gpodder::DeviceType::Server => Self::Server,
gpodder::DeviceType::Other => Self::Other,
}
}
}
impl gpodder::DeviceRepository for SqliteRepository {
fn devices_for_user(
&self,
user: &gpodder::User,
) -> Result<Vec<gpodder::Device>, gpodder::AuthErr> {
(|| {
Ok::<_, DbError>(
devices::table
.select(Device::as_select())
.filter(devices::user_id.eq(user.id))
.get_results(&mut self.pool.get()?)?
.into_iter()
.map(|d| gpodder::Device {
id: d.device_id,
caption: d.caption,
r#type: d.type_.into(),
// TODO implement subscription count
subscriptions: 0,
})
.collect(),
)
})()
.map_err(AuthErr::from)
}
fn update_device_info(
&self,
user: &gpodder::User,
device_id: &str,
patch: gpodder::DevicePatch,
) -> Result<(), gpodder::AuthErr> {
(|| {
if let Some(mut device) = devices::table
.select(Device::as_select())
.filter(
devices::user_id
.eq(user.id)
.and(devices::device_id.eq(device_id)),
)
.get_result(&mut self.pool.get()?)
.optional()?
{
if let Some(caption) = patch.caption {
device.caption = caption;
}
if let Some(type_) = patch.r#type {
device.type_ = type_.into();
}
diesel::update(devices::table.filter(devices::id.eq(device.id)))
.set((
devices::caption.eq(&device.caption),
devices::type_.eq(&device.type_),
))
.execute(&mut self.pool.get()?)?;
} else {
let device = NewDevice {
device_id: device_id.to_string(),
user_id: user.id,
caption: patch.caption.unwrap_or(String::new()),
type_: patch.r#type.unwrap_or(gpodder::DeviceType::Other).into(),
};
diesel::insert_into(devices::table)
.values(device)
.execute(&mut self.pool.get()?)?;
}
Ok::<_, DbError>(())
})()
.map_err(AuthErr::from)
}
fn merge_sync_groups(
&self,
user: &gpodder::User,
device_ids: Vec<&str>,
) -> Result<i64, gpodder::AuthErr> {
(|| {
let conn = &mut self.pool.get()?;
conn.transaction(|conn| {
let devices: Vec<(i64, Option<i64>)> = devices::table
.select((devices::id, devices::sync_group_id))
.filter(
devices::user_id
.eq(user.id)
.and(devices::device_id.eq_any(device_ids)),
)
.get_results(conn)?;
let mut sync_group_ids: Vec<i64> = devices
.iter()
.filter_map(|(_, group_id)| *group_id)
.collect();
// Remove any duplicates, giving us each sync group ID once
sync_group_ids.sort();
sync_group_ids.dedup();
// If any of the devices are already in a sync group, we reuse the first one we find.
// Otherwise, we generate a new one.
let sync_group_id = if let Some(id) = sync_group_ids.pop() {
id
} else {
SyncGroup::new(conn)?.id
};
// Move all devices in the other sync groups into the new sync group
diesel::update(
devices::table.filter(devices::sync_group_id.eq_any(sync_group_ids.iter())),
)
.set(devices::sync_group_id.eq(sync_group_id))
.execute(conn)?;
// Add the non-synchronized devices into the new sync group
let unsynced_device_ids =
devices.iter().filter_map(
|(id, group_id)| if group_id.is_none() { Some(id) } else { None },
);
diesel::update(devices::table.filter(devices::id.eq_any(unsynced_device_ids)))
.set(devices::sync_group_id.eq(sync_group_id))
.execute(conn)?;
// Remove the other now unused sync groups
diesel::delete(sync_groups::table.filter(sync_groups::id.eq_any(sync_group_ids)))
.execute(conn)?;
Ok::<_, DbError>(sync_group_id)
})
})()
.map_err(AuthErr::from)
}
fn remove_from_sync_group(
&self,
user: &gpodder::User,
device_ids: Vec<&str>,
) -> Result<(), gpodder::AuthErr> {
(|| {
let conn = &mut self.pool.get()?;
diesel::update(
devices::table.filter(
devices::user_id
.eq(user.id)
.and(devices::device_id.eq_any(device_ids)),
),
)
.set(devices::sync_group_id.eq(None::<i64>))
.execute(conn)?;
// This is in a different transaction on purpose, as the success of this removal shouldn't
// fail the entire query
SyncGroup::remove_unused(conn)?;
Ok::<_, DbError>(())
})()
.map_err(AuthErr::from)
}
fn synchronize_sync_group(
&self,
group_id: i64,
time_changed: DateTime<Utc>,
) -> Result<(), gpodder::AuthErr> {
(|| {
let time_changed = time_changed.timestamp();
let conn = &mut self.pool.get()?;
conn.transaction(|conn| {
let device_ids: Vec<i64> = devices::table
.filter(devices::sync_group_id.eq(group_id))
.select(devices::id)
.get_results(conn)?;
// For each device in the group, we get the list of subscriptions not yet in its own
// non-deleted list, and add it to the database
for device_id in device_ids.iter().copied() {
let d1 = alias!(device_subscriptions as d1);
let own_subscriptions = d1
.filter(
d1.field(device_subscriptions::device_id)
.eq(device_id)
.and(d1.field(device_subscriptions::deleted).eq(false)),
)
.select(d1.field(device_subscriptions::podcast_url));
let urls_to_add = device_subscriptions::table
.select(device_subscriptions::podcast_url)
.filter(
device_subscriptions::device_id
.eq_any(device_ids.iter())
.and(device_subscriptions::deleted.eq(false))
.and(not(
device_subscriptions::podcast_url.eq_any(own_subscriptions)
)),
)
.distinct()
.load_iter(conn)?
.collect::<Result<HashSet<String>, _>>()?;
super::subscription::insert_subscriptions_for_single_device(
conn,
device_id,
urls_to_add.iter(),
time_changed,
)?;
}
Ok::<_, DbError>(())
})
})()
.map_err(AuthErr::from)
}
fn devices_by_sync_group(
&self,
user: &gpodder::User,
) -> Result<(Vec<String>, Vec<Vec<String>>), gpodder::AuthErr> {
(|| {
let mut not_synchronized = Vec::new();
let mut synchronized = Vec::new();
let conn = &mut self.pool.get()?;
let mut devices = devices::table
.select((devices::device_id, devices::sync_group_id))
.filter(devices::user_id.eq(user.id))
.order(devices::sync_group_id)
.load_iter::<(String, Option<i64>), _>(conn)?;
let mut cur_group = &mut not_synchronized;
let mut cur_group_id: Option<i64> = None;
while let Some((device_id, group_id)) = devices.next().transpose()? {
if group_id != cur_group_id {
if group_id.is_none() {
cur_group = &mut not_synchronized;
} else {
synchronized.push(Vec::new());
let index = synchronized.len() - 1;
cur_group = &mut synchronized[index];
}
cur_group_id = group_id;
}
cur_group.push(device_id);
}
Ok::<_, DbError>((not_synchronized, synchronized))
})()
.map_err(AuthErr::from)
}
}

View File

@ -0,0 +1,176 @@
use chrono::{DateTime, Utc};
use diesel::prelude::*;
use gpodder::AuthErr;
use super::SqliteRepository;
use crate::{
models::{
device::Device,
episode_action::{ActionType, EpisodeAction, NewEpisodeAction},
},
schema::*,
DbError,
};
impl From<gpodder::EpisodeAction> for NewEpisodeAction {
fn from(value: gpodder::EpisodeAction) -> Self {
let (action, started, position, total) = match value.action {
gpodder::EpisodeActionType::New => (ActionType::New, None, None, None),
gpodder::EpisodeActionType::Delete => (ActionType::Delete, None, None, None),
gpodder::EpisodeActionType::Download => (ActionType::Download, None, None, None),
gpodder::EpisodeActionType::Play {
started,
position,
total,
} => (ActionType::Play, started, Some(position), total),
};
NewEpisodeAction {
user_id: 0,
device_id: None,
podcast_url: value.podcast,
episode_url: value.episode,
time_changed: 0,
timestamp: value.timestamp.map(|t| t.timestamp()),
action,
started,
position,
total,
}
}
}
fn to_gpodder_action(
(device_id, db_action): (Option<String>, EpisodeAction),
) -> gpodder::EpisodeAction {
let action = match db_action.action {
ActionType::Play => gpodder::EpisodeActionType::Play {
started: db_action.started,
// SAFETY: the condition that this isn't null if the action type is "play" is
// explicitely enforced by the database using a CHECK constraint.
position: db_action.position.unwrap(),
total: db_action.total,
},
ActionType::New => gpodder::EpisodeActionType::New,
ActionType::Delete => gpodder::EpisodeActionType::Delete,
ActionType::Download => gpodder::EpisodeActionType::Download,
};
gpodder::EpisodeAction {
podcast: db_action.podcast_url,
episode: db_action.episode_url,
timestamp: db_action
.timestamp
// SAFETY the input to the from_timestamp function is always the result of a
// previous timestamp() function call, which is guaranteed to be each other's
// reverse
.map(|ts| DateTime::from_timestamp(ts, 0).unwrap()),
time_changed: DateTime::from_timestamp(db_action.time_changed, 0).unwrap(),
device: device_id,
action,
}
}
impl gpodder::EpisodeActionRepository for SqliteRepository {
fn add_episode_actions(
&self,
user: &gpodder::User,
actions: Vec<gpodder::EpisodeAction>,
time_changed: DateTime<Utc>,
) -> Result<(), gpodder::AuthErr> {
(|| {
let time_changed = time_changed.timestamp();
// TODO optimize this query
// 1. The lookup for a device could be replaced with a subquery, although Diesel seems to
// have a problem using an Option<String> to match equality with a String
// 2. Ideally the for loop would be replaced with a single query inserting multiple values,
// although each value would need its own subquery
//
// NOTE this function usually gets called from the same device, so optimizing the
// amount of device lookups required would be useful.
self.pool.get()?.transaction(|conn| {
for action in actions {
let device_id = if let Some(device) = &action.device {
Some(Device::device_id_to_id(conn, user.id, device)?)
} else {
None
};
let mut new_action: NewEpisodeAction = action.into();
new_action.user_id = user.id;
new_action.device_id = device_id;
new_action.time_changed = time_changed;
diesel::insert_into(episode_actions::table)
.values(&new_action)
.execute(conn)?;
}
Ok::<_, DbError>(())
})
})()
.map_err(AuthErr::from)
}
fn episode_actions_for_user(
&self,
user: &gpodder::User,
since: Option<DateTime<Utc>>,
podcast: Option<String>,
device: Option<String>,
aggregated: bool,
) -> Result<Vec<gpodder::EpisodeAction>, gpodder::AuthErr> {
(|| {
let since = since.map(|ts| ts.timestamp()).unwrap_or(0);
let conn = &mut self.pool.get()?;
let mut query = episode_actions::table
.left_join(devices::table)
.filter(
episode_actions::user_id
.eq(user.id)
.and(episode_actions::time_changed.ge(since)),
)
.select((devices::device_id.nullable(), EpisodeAction::as_select()))
.into_boxed();
if let Some(device_id) = device {
query = query.filter(devices::device_id.eq(device_id));
}
if let Some(podcast_url) = podcast {
query = query.filter(episode_actions::podcast_url.eq(podcast_url));
}
let db_actions: Vec<(Option<String>, EpisodeAction)> = if aggregated {
// https://stackoverflow.com/a/7745635
// For each episode URL, we want to return the row with the highest `time_changed`
// value. We achieve this be left joining with self on the URL, as well as whether the
// left row's time_changed value is less than the right one. Rows with the largest
// time_changed value for a given URL will join with a NULL value (because of the left
// join), so we filter those out to retrieve the correct rows.
let a2 = diesel::alias!(episode_actions as a2);
query
.left_join(
a2.on(episode_actions::episode_url
.eq(a2.field(episode_actions::episode_url))
.and(
episode_actions::time_changed
.lt(a2.field(episode_actions::time_changed)),
)),
)
.filter(a2.field(episode_actions::episode_url).is_null())
.get_results(conn)?
} else {
query.get_results(conn)?
};
let actions = db_actions.into_iter().map(to_gpodder_action).collect();
Ok::<_, DbError>(actions)
})()
.map_err(AuthErr::from)
}
}

View File

@ -3,6 +3,8 @@ mod device;
mod episode_action;
mod subscription;
use std::path::Path;
use super::DbPool;
#[derive(Clone)]
@ -15,3 +17,11 @@ impl From<DbPool> for SqliteRepository {
Self { pool: value }
}
}
impl SqliteRepository {
pub fn from_path(path: impl AsRef<Path>) -> Result<Self, gpodder::AuthErr> {
let pool = super::initialize_db(path, true)?;
Ok(Self { pool })
}
}

View File

@ -2,22 +2,15 @@ use std::collections::HashSet;
use chrono::DateTime;
use diesel::prelude::*;
use gpodder::AuthErr;
use super::SqliteRepository;
use crate::{
db::{self, schema::*},
gpodder,
models::device_subscription::{DeviceSubscription, NewDeviceSubscription},
schema::*,
DbError,
};
impl From<(String, i64)> for gpodder::Subscription {
fn from((url, ts): (String, i64)) -> Self {
Self {
url,
time_changed: DateTime::from_timestamp(ts, 0).unwrap(),
}
}
}
fn set_subscriptions_for_single_device(
conn: &mut SqliteConnection,
device_id: i64,
@ -80,7 +73,7 @@ fn set_subscriptions_for_single_device(
.values(
urls_to_insert
.into_iter()
.map(|url| db::NewDeviceSubscription {
.map(|url| NewDeviceSubscription {
device_id,
podcast_url: url.to_string(),
deleted: false,
@ -105,7 +98,7 @@ pub fn insert_subscriptions_for_single_device<'a>(
diesel::insert_into(device_subscriptions::table)
.values(
urls.into_iter()
.map(|url| db::NewDeviceSubscription {
.map(|url| NewDeviceSubscription {
device_id,
podcast_url: url.to_string(),
deleted: false,
@ -184,18 +177,26 @@ impl gpodder::SubscriptionRepository for SqliteRepository {
&self,
user: &gpodder::User,
) -> Result<Vec<gpodder::Subscription>, gpodder::AuthErr> {
Ok(device_subscriptions::table
.inner_join(devices::table)
.filter(devices::user_id.eq(user.id))
.select((
device_subscriptions::podcast_url,
device_subscriptions::time_changed,
))
.distinct()
.get_results::<(String, i64)>(&mut self.pool.get()?)?
.into_iter()
.map(Into::into)
.collect())
(|| {
Ok::<_, DbError>(
device_subscriptions::table
.inner_join(devices::table)
.filter(devices::user_id.eq(user.id))
.select((
device_subscriptions::podcast_url,
device_subscriptions::time_changed,
))
.distinct()
.get_results::<(String, i64)>(&mut self.pool.get()?)?
.into_iter()
.map(|(url, ts)| gpodder::Subscription {
url,
time_changed: DateTime::from_timestamp(ts, 0).unwrap(),
})
.collect(),
)
})()
.map_err(AuthErr::from)
}
fn subscriptions_for_device(
@ -203,21 +204,29 @@ impl gpodder::SubscriptionRepository for SqliteRepository {
user: &gpodder::User,
device_id: &str,
) -> Result<Vec<gpodder::Subscription>, gpodder::AuthErr> {
Ok(device_subscriptions::table
.inner_join(devices::table)
.filter(
devices::user_id
.eq(user.id)
.and(devices::device_id.eq(device_id)),
(|| {
Ok::<_, DbError>(
device_subscriptions::table
.inner_join(devices::table)
.filter(
devices::user_id
.eq(user.id)
.and(devices::device_id.eq(device_id)),
)
.select((
device_subscriptions::podcast_url,
device_subscriptions::time_changed,
))
.get_results::<(String, i64)>(&mut self.pool.get()?)?
.into_iter()
.map(|(url, ts)| gpodder::Subscription {
url,
time_changed: DateTime::from_timestamp(ts, 0).unwrap(),
})
.collect(),
)
.select((
device_subscriptions::podcast_url,
device_subscriptions::time_changed,
))
.get_results::<(String, i64)>(&mut self.pool.get()?)?
.into_iter()
.map(Into::into)
.collect())
})()
.map_err(AuthErr::from)
}
fn set_subscriptions_for_device(
@ -227,38 +236,39 @@ impl gpodder::SubscriptionRepository for SqliteRepository {
urls: Vec<String>,
time_changed: chrono::DateTime<chrono::Utc>,
) -> Result<(), gpodder::AuthErr> {
let time_changed = time_changed.timestamp();
let urls: HashSet<String> = urls.into_iter().collect();
(|| {
let time_changed = time_changed.timestamp();
let urls: HashSet<String> = urls.into_iter().collect();
self.pool.get()?.transaction(|conn| {
let (device_id, group_id) = devices::table
.select((devices::id, devices::sync_group_id))
.filter(
devices::user_id
.eq(user.id)
.and(devices::device_id.eq(device_id)),
)
.get_result::<(i64, Option<i64>)>(conn)?;
self.pool.get()?.transaction(|conn| {
let (device_id, group_id) = devices::table
.select((devices::id, devices::sync_group_id))
.filter(
devices::user_id
.eq(user.id)
.and(devices::device_id.eq(device_id)),
)
.get_result::<(i64, Option<i64>)>(conn)?;
// If the device is part of a sync group, we need to perform the update on every device
// in the group
if let Some(group_id) = group_id {
let device_ids: Vec<i64> = devices::table
.filter(devices::sync_group_id.eq(group_id))
.select(devices::id)
.get_results(conn)?;
// If the device is part of a sync group, we need to perform the update on every device
// in the group
if let Some(group_id) = group_id {
let device_ids: Vec<i64> = devices::table
.filter(devices::sync_group_id.eq(group_id))
.select(devices::id)
.get_results(conn)?;
for device_id in device_ids {
for device_id in device_ids {
set_subscriptions_for_single_device(conn, device_id, &urls, time_changed)?;
}
} else {
set_subscriptions_for_single_device(conn, device_id, &urls, time_changed)?;
}
} else {
set_subscriptions_for_single_device(conn, device_id, &urls, time_changed)?;
}
Ok::<_, diesel::result::Error>(())
})?;
Ok(())
Ok::<_, DbError>(())
})
})()
.map_err(AuthErr::from)
}
fn update_subscriptions_for_device(
@ -269,32 +279,42 @@ impl gpodder::SubscriptionRepository for SqliteRepository {
remove: Vec<String>,
time_changed: chrono::DateTime<chrono::Utc>,
) -> Result<(), gpodder::AuthErr> {
let time_changed = time_changed.timestamp();
(|| {
let time_changed = time_changed.timestamp();
// TODO URLs that are in both the added and removed lists will currently get "re-added",
// meaning their change timestamp will be updated even though they haven't really changed.
let add: HashSet<_> = add.into_iter().collect();
let remove: HashSet<_> = remove.into_iter().collect();
// TODO URLs that are in both the added and removed lists will currently get "re-added",
// meaning their change timestamp will be updated even though they haven't really changed.
let add: HashSet<_> = add.into_iter().collect();
let remove: HashSet<_> = remove.into_iter().collect();
self.pool.get()?.transaction(|conn| {
let (device_id, group_id) = devices::table
.select((devices::id, devices::sync_group_id))
.filter(
devices::user_id
.eq(user.id)
.and(devices::device_id.eq(device_id)),
)
.get_result::<(i64, Option<i64>)>(conn)?;
self.pool.get()?.transaction(|conn| {
let (device_id, group_id) = devices::table
.select((devices::id, devices::sync_group_id))
.filter(
devices::user_id
.eq(user.id)
.and(devices::device_id.eq(device_id)),
)
.get_result::<(i64, Option<i64>)>(conn)?;
// If the device is part of a sync group, we need to perform the update on every device
// in the group
if let Some(group_id) = group_id {
let device_ids: Vec<i64> = devices::table
.filter(devices::sync_group_id.eq(group_id))
.select(devices::id)
.get_results(conn)?;
// If the device is part of a sync group, we need to perform the update on every device
// in the group
if let Some(group_id) = group_id {
let device_ids: Vec<i64> = devices::table
.filter(devices::sync_group_id.eq(group_id))
.select(devices::id)
.get_results(conn)?;
for device_id in device_ids {
for device_id in device_ids {
update_subscriptions_for_single_device(
conn,
device_id,
&add,
&remove,
time_changed,
)?;
}
} else {
update_subscriptions_for_single_device(
conn,
device_id,
@ -303,20 +323,11 @@ impl gpodder::SubscriptionRepository for SqliteRepository {
time_changed,
)?;
}
} else {
update_subscriptions_for_single_device(
conn,
device_id,
&add,
&remove,
time_changed,
)?;
}
Ok::<_, diesel::result::Error>(())
})?;
Ok(())
Ok::<_, DbError>(())
})
})()
.map_err(AuthErr::from)
}
fn subscription_updates_for_device(
@ -325,36 +336,39 @@ impl gpodder::SubscriptionRepository for SqliteRepository {
device_id: &str,
since: chrono::DateTime<chrono::Utc>,
) -> Result<(Vec<gpodder::Subscription>, Vec<gpodder::Subscription>), gpodder::AuthErr> {
let since = since.timestamp();
(|| {
let since = since.timestamp();
let (mut added, mut removed) = (Vec::new(), Vec::new());
let (mut added, mut removed) = (Vec::new(), Vec::new());
let query = device_subscriptions::table
.inner_join(devices::table)
.filter(
devices::user_id
.eq(user.id)
.and(devices::device_id.eq(device_id))
.and(device_subscriptions::time_changed.ge(since)),
)
.select(db::DeviceSubscription::as_select());
let query = device_subscriptions::table
.inner_join(devices::table)
.filter(
devices::user_id
.eq(user.id)
.and(devices::device_id.eq(device_id))
.and(device_subscriptions::time_changed.ge(since)),
)
.select(DeviceSubscription::as_select());
for sub in query.load_iter(&mut self.pool.get()?)? {
let sub = sub?;
for sub in query.load_iter(&mut self.pool.get()?)? {
let sub = sub?;
if sub.deleted {
removed.push(gpodder::Subscription {
url: sub.podcast_url,
time_changed: DateTime::from_timestamp(sub.time_changed, 0).unwrap(),
});
} else {
added.push(gpodder::Subscription {
url: sub.podcast_url,
time_changed: DateTime::from_timestamp(sub.time_changed, 0).unwrap(),
});
if sub.deleted {
removed.push(gpodder::Subscription {
url: sub.podcast_url,
time_changed: DateTime::from_timestamp(sub.time_changed, 0).unwrap(),
});
} else {
added.push(gpodder::Subscription {
url: sub.podcast_url,
time_changed: DateTime::from_timestamp(sub.time_changed, 0).unwrap(),
});
}
}
}
Ok((added, removed))
Ok::<_, DbError>((added, removed))
})()
.map_err(AuthErr::from)
}
}

View File

@ -1,7 +1,5 @@
use clap::Subcommand;
use crate::db;
#[derive(Subcommand)]
pub enum Command {
/// Add devices of a specific user to the same sync group
@ -15,9 +13,10 @@ pub enum Command {
impl Command {
pub fn run(&self, config: &crate::config::Config) -> u8 {
let pool = db::initialize_db(config.data_dir.join(crate::DB_FILENAME), true).unwrap();
let repo = db::SqliteRepository::from(pool);
let store = crate::gpodder::GpodderRepository::new(repo);
let store =
gpodder_sqlite::SqliteRepository::from_path(config.data_dir.join(crate::DB_FILENAME))
.unwrap();
let store = gpodder::GpodderRepository::new(store);
match self {
Self::Sync { username, devices } => {

View File

@ -1,4 +1,4 @@
mod db;
// mod db;
mod gpo;
mod serve;
@ -48,9 +48,8 @@ pub struct ClapConfig {
#[derive(Subcommand)]
pub enum Command {
Serve,
#[command(subcommand)]
Db(db::DbCommand),
// #[command(subcommand)]
// Db(db::DbCommand),
/// Perform operations on the database through the Gpodder abstraction, allowing operations
/// identical to the ones performed by the API.
#[command(subcommand)]
@ -80,7 +79,7 @@ impl Cli {
match &self.cmd {
Command::Serve => serve::serve(&config),
Command::Db(cmd) => cmd.run(&config),
// Command::Db(cmd) => cmd.run(&config),
Command::Gpo(cmd) => cmd.run(&config),
}
}

View File

@ -1,18 +1,18 @@
use std::time::Duration;
use crate::{db, server};
use crate::server;
pub fn serve(config: &crate::config::Config) -> u8 {
tracing_subscriber::fmt::init();
tracing::info!("Initializing database and running migrations");
let pool = db::initialize_db(config.data_dir.join(crate::DB_FILENAME), true).unwrap();
let repo = db::SqliteRepository::from(pool);
let store =
gpodder_sqlite::SqliteRepository::from_path(config.data_dir.join(crate::DB_FILENAME))
.unwrap();
let store = gpodder::GpodderRepository::new(store);
let ctx = server::Context {
store: crate::gpodder::GpodderRepository::new(repo),
};
let ctx = server::Context { store };
let app = server::app(ctx.clone());
let rt = tokio::runtime::Builder::new_multi_thread()

View File

@ -1,62 +0,0 @@
use diesel::prelude::*;
use rand::Rng;
use super::user::User;
use crate::db::{schema::*, DbPool, DbResult};
#[derive(Clone, Queryable, Selectable, Insertable, Associations)]
#[diesel(belongs_to(super::user::User))]
#[diesel(table_name = sessions)]
#[diesel(check_for_backend(diesel::sqlite::Sqlite))]
pub struct Session {
pub id: i64,
pub user_id: i64,
pub last_seen: i64,
}
impl Session {
pub fn new_for_user(pool: &DbPool, user_id: i64, last_seen: i64) -> DbResult<Self> {
let id: i64 = rand::thread_rng().gen();
Ok(Self {
id,
user_id,
last_seen,
}
.insert_into(sessions::table)
.returning(Self::as_returning())
.get_result(&mut pool.get()?)?)
}
pub fn user_from_id(pool: &DbPool, id: i64) -> DbResult<Option<super::user::User>> {
Ok(sessions::dsl::sessions
.inner_join(users::table)
.filter(sessions::id.eq(id))
.select(User::as_select())
.get_result(&mut pool.get()?)
.optional()?)
}
pub fn user(&self, pool: &DbPool) -> DbResult<Option<super::user::User>> {
Self::user_from_id(pool, self.id)
}
pub fn by_id(pool: &DbPool, id: i64) -> DbResult<Option<Self>> {
Ok(sessions::dsl::sessions
.find(id)
.get_result(&mut pool.get()?)
.optional()?)
}
pub fn remove(self, pool: &DbPool) -> DbResult<bool> {
Self::remove_by_id(pool, self.id)
}
pub fn remove_by_id(pool: &DbPool, id: i64) -> DbResult<bool> {
Ok(
diesel::delete(sessions::dsl::sessions.filter(sessions::id.eq(id)))
.execute(&mut pool.get()?)?
> 0,
)
}
}

View File

@ -1,67 +0,0 @@
use argon2::{password_hash::SaltString, Argon2, PasswordHash, PasswordHasher, PasswordVerifier};
use diesel::prelude::*;
use rand::rngs::OsRng;
use serde::{Deserialize, Serialize};
use crate::db::{schema::*, DbPool, DbResult};
#[derive(Serialize, Deserialize, Clone, Queryable, Selectable)]
#[diesel(table_name = users)]
#[diesel(check_for_backend(diesel::sqlite::Sqlite))]
pub struct User {
pub id: i64,
pub username: String,
pub password_hash: String,
}
#[derive(Deserialize, Insertable)]
#[diesel(table_name = users)]
#[diesel(check_for_backend(diesel::sqlite::Sqlite))]
pub struct NewUser {
pub username: String,
pub password_hash: String,
}
fn hash_password(password: impl AsRef<str>) -> String {
let salt = SaltString::generate(&mut OsRng);
let argon2 = Argon2::default();
argon2
.hash_password(password.as_ref().as_bytes(), &salt)
.unwrap()
.to_string()
}
impl NewUser {
pub fn new(username: String, password: String) -> Self {
Self {
username,
password_hash: hash_password(&password),
}
}
pub fn insert(self, pool: &DbPool) -> DbResult<User> {
Ok(diesel::insert_into(users::table)
.values(self)
.returning(User::as_returning())
.get_result(&mut pool.get()?)?)
}
}
impl User {
pub fn by_username(pool: &DbPool, username: impl AsRef<str>) -> DbResult<Option<Self>> {
Ok(users::dsl::users
.select(User::as_select())
.filter(users::username.eq(username.as_ref()))
.first(&mut pool.get()?)
.optional()?)
}
pub fn verify_password(&self, password: impl AsRef<str>) -> bool {
let password_hash = PasswordHash::new(&self.password_hash).unwrap();
Argon2::default()
.verify_password(password.as_ref().as_bytes(), &password_hash)
.is_ok()
}
}

View File

@ -1,275 +0,0 @@
use std::collections::HashSet;
use chrono::{DateTime, Utc};
use diesel::{alias, dsl::not, prelude::*};
use super::SqliteRepository;
use crate::{
db::{self, schema::*, SyncGroup},
gpodder,
};
impl From<db::DeviceType> for gpodder::DeviceType {
fn from(value: db::DeviceType) -> Self {
match value {
db::DeviceType::Desktop => Self::Desktop,
db::DeviceType::Laptop => Self::Laptop,
db::DeviceType::Mobile => Self::Mobile,
db::DeviceType::Server => Self::Server,
db::DeviceType::Other => Self::Other,
}
}
}
impl From<gpodder::DeviceType> for db::DeviceType {
fn from(value: gpodder::DeviceType) -> Self {
match value {
gpodder::DeviceType::Desktop => Self::Desktop,
gpodder::DeviceType::Laptop => Self::Laptop,
gpodder::DeviceType::Mobile => Self::Mobile,
gpodder::DeviceType::Server => Self::Server,
gpodder::DeviceType::Other => Self::Other,
}
}
}
impl gpodder::DeviceRepository for SqliteRepository {
fn devices_for_user(
&self,
user: &gpodder::User,
) -> Result<Vec<gpodder::Device>, gpodder::AuthErr> {
Ok(devices::table
.select(db::Device::as_select())
.filter(devices::user_id.eq(user.id))
.get_results(&mut self.pool.get()?)?
.into_iter()
.map(|d| gpodder::Device {
id: d.device_id,
caption: d.caption,
r#type: d.type_.into(),
// TODO implement subscription count
subscriptions: 0,
})
.collect())
}
fn update_device_info(
&self,
user: &gpodder::User,
device_id: &str,
patch: gpodder::DevicePatch,
) -> Result<(), gpodder::AuthErr> {
if let Some(mut device) = devices::table
.select(db::Device::as_select())
.filter(
devices::user_id
.eq(user.id)
.and(devices::device_id.eq(device_id)),
)
.get_result(&mut self.pool.get()?)
.optional()?
{
if let Some(caption) = patch.caption {
device.caption = caption;
}
if let Some(type_) = patch.r#type {
device.type_ = type_.into();
}
diesel::update(devices::table.filter(devices::id.eq(device.id)))
.set((
devices::caption.eq(&device.caption),
devices::type_.eq(&device.type_),
))
.execute(&mut self.pool.get()?)?;
} else {
let device = db::NewDevice {
device_id: device_id.to_string(),
user_id: user.id,
caption: patch.caption.unwrap_or(String::new()),
type_: patch.r#type.unwrap_or(gpodder::DeviceType::Other).into(),
};
diesel::insert_into(devices::table)
.values(device)
.execute(&mut self.pool.get()?)?;
}
Ok(())
}
fn merge_sync_groups(
&self,
user: &gpodder::User,
device_ids: Vec<&str>,
) -> Result<i64, gpodder::AuthErr> {
let conn = &mut self.pool.get()?;
Ok(conn.transaction(|conn| {
let devices: Vec<(i64, Option<i64>)> = devices::table
.select((devices::id, devices::sync_group_id))
.filter(
devices::user_id
.eq(user.id)
.and(devices::device_id.eq_any(device_ids)),
)
.get_results(conn)?;
let mut sync_group_ids: Vec<i64> = devices
.iter()
.filter_map(|(_, group_id)| *group_id)
.collect();
// Remove any duplicates, giving us each sync group ID once
sync_group_ids.sort();
sync_group_ids.dedup();
// If any of the devices are already in a sync group, we reuse the first one we find.
// Otherwise, we generate a new one.
let sync_group_id = if let Some(id) = sync_group_ids.pop() {
id
} else {
db::SyncGroup::new(conn)?.id
};
// Move all devices in the other sync groups into the new sync group
diesel::update(
devices::table.filter(devices::sync_group_id.eq_any(sync_group_ids.iter())),
)
.set(devices::sync_group_id.eq(sync_group_id))
.execute(conn)?;
// Add the non-synchronized devices into the new sync group
let unsynced_device_ids =
devices
.iter()
.filter_map(|(id, group_id)| if group_id.is_none() { Some(id) } else { None });
diesel::update(devices::table.filter(devices::id.eq_any(unsynced_device_ids)))
.set(devices::sync_group_id.eq(sync_group_id))
.execute(conn)?;
// Remove the other now unused sync groups
diesel::delete(sync_groups::table.filter(sync_groups::id.eq_any(sync_group_ids)))
.execute(conn)?;
Ok::<_, diesel::result::Error>(sync_group_id)
})?)
}
fn remove_from_sync_group(
&self,
user: &gpodder::User,
device_ids: Vec<&str>,
) -> Result<(), gpodder::AuthErr> {
let conn = &mut self.pool.get()?;
diesel::update(
devices::table.filter(
devices::user_id
.eq(user.id)
.and(devices::device_id.eq_any(device_ids)),
),
)
.set(devices::sync_group_id.eq(None::<i64>))
.execute(conn)?;
// This is in a different transaction on purpose, as the success of this removal shouldn't
// fail the entire query
SyncGroup::remove_unused(conn)?;
Ok(())
}
fn synchronize_sync_group(
&self,
group_id: i64,
time_changed: DateTime<Utc>,
) -> Result<(), gpodder::AuthErr> {
let time_changed = time_changed.timestamp();
let conn = &mut self.pool.get()?;
conn.transaction(|conn| {
let device_ids: Vec<i64> = devices::table
.filter(devices::sync_group_id.eq(group_id))
.select(devices::id)
.get_results(conn)?;
// For each device in the group, we get the list of subscriptions not yet in its own
// non-deleted list, and add it to the database
for device_id in device_ids.iter().copied() {
let d1 = alias!(device_subscriptions as d1);
let own_subscriptions = d1
.filter(
d1.field(device_subscriptions::device_id)
.eq(device_id)
.and(d1.field(device_subscriptions::deleted).eq(false)),
)
.select(d1.field(device_subscriptions::podcast_url));
let urls_to_add = device_subscriptions::table
.select(device_subscriptions::podcast_url)
.filter(
device_subscriptions::device_id
.eq_any(device_ids.iter())
.and(device_subscriptions::deleted.eq(false))
.and(not(
device_subscriptions::podcast_url.eq_any(own_subscriptions)
)),
)
.distinct()
.load_iter(conn)?
.collect::<Result<HashSet<String>, _>>()?;
super::subscription::insert_subscriptions_for_single_device(
conn,
device_id,
urls_to_add.iter(),
time_changed,
)?;
}
Ok::<_, diesel::result::Error>(())
})?;
Ok(())
}
fn devices_by_sync_group(
&self,
user: &gpodder::User,
) -> Result<(Vec<String>, Vec<Vec<String>>), gpodder::AuthErr> {
let mut not_synchronized = Vec::new();
let mut synchronized = Vec::new();
let conn = &mut self.pool.get()?;
let mut devices = devices::table
.select((devices::device_id, devices::sync_group_id))
.filter(devices::user_id.eq(user.id))
.order(devices::sync_group_id)
.load_iter::<(String, Option<i64>), _>(conn)?;
let mut cur_group = &mut not_synchronized;
let mut cur_group_id: Option<i64> = None;
while let Some((device_id, group_id)) = devices.next().transpose()? {
if group_id != cur_group_id {
if group_id.is_none() {
cur_group = &mut not_synchronized;
} else {
synchronized.push(Vec::new());
let index = synchronized.len() - 1;
cur_group = &mut synchronized[index];
}
cur_group_id = group_id;
}
cur_group.push(device_id);
}
Ok((not_synchronized, synchronized))
}
}

View File

@ -1,170 +0,0 @@
use chrono::{DateTime, Utc};
use diesel::prelude::*;
use super::SqliteRepository;
use crate::{
db::{self, schema::*},
gpodder,
};
impl From<gpodder::EpisodeAction> for db::NewEpisodeAction {
fn from(value: gpodder::EpisodeAction) -> Self {
let (action, started, position, total) = match value.action {
gpodder::EpisodeActionType::New => (db::ActionType::New, None, None, None),
gpodder::EpisodeActionType::Delete => (db::ActionType::Delete, None, None, None),
gpodder::EpisodeActionType::Download => (db::ActionType::Download, None, None, None),
gpodder::EpisodeActionType::Play {
started,
position,
total,
} => (db::ActionType::Play, started, Some(position), total),
};
db::NewEpisodeAction {
user_id: 0,
device_id: None,
podcast_url: value.podcast,
episode_url: value.episode,
time_changed: 0,
timestamp: value.timestamp.map(|t| t.timestamp()),
action,
started,
position,
total,
}
}
}
impl From<(Option<String>, db::EpisodeAction)> for gpodder::EpisodeAction {
fn from((device_id, db_action): (Option<String>, db::EpisodeAction)) -> Self {
let action = match db_action.action {
db::ActionType::Play => gpodder::EpisodeActionType::Play {
started: db_action.started,
// SAFETY: the condition that this isn't null if the action type is "play" is
// explicitely enforced by the database using a CHECK constraint.
position: db_action.position.unwrap(),
total: db_action.total,
},
db::ActionType::New => gpodder::EpisodeActionType::New,
db::ActionType::Delete => gpodder::EpisodeActionType::Delete,
db::ActionType::Download => gpodder::EpisodeActionType::Download,
};
Self {
podcast: db_action.podcast_url,
episode: db_action.episode_url,
timestamp: db_action
.timestamp
// SAFETY the input to the from_timestamp function is always the result of a
// previous timestamp() function call, which is guaranteed to be each other's
// reverse
.map(|ts| DateTime::from_timestamp(ts, 0).unwrap()),
time_changed: DateTime::from_timestamp(db_action.time_changed, 0).unwrap(),
device: device_id,
action,
}
}
}
impl gpodder::EpisodeActionRepository for SqliteRepository {
fn add_episode_actions(
&self,
user: &gpodder::User,
actions: Vec<gpodder::EpisodeAction>,
time_changed: DateTime<Utc>,
) -> Result<(), gpodder::AuthErr> {
let time_changed = time_changed.timestamp();
// TODO optimize this query
// 1. The lookup for a device could be replaced with a subquery, although Diesel seems to
// have a problem using an Option<String> to match equality with a String
// 2. Ideally the for loop would be replaced with a single query inserting multiple values,
// although each value would need its own subquery
self.pool.get()?.transaction(|conn| {
for action in actions {
let device_id = if let Some(device) = &action.device {
Some(db::Device::device_id_to_id(conn, user.id, device)?)
} else {
None
};
let mut new_action: db::NewEpisodeAction = action.into();
new_action.user_id = user.id;
new_action.device_id = device_id;
new_action.time_changed = time_changed;
diesel::insert_into(episode_actions::table)
.values(&new_action)
.execute(conn)?;
}
Ok::<_, diesel::result::Error>(())
})?;
Ok(())
}
fn episode_actions_for_user(
&self,
user: &gpodder::User,
since: Option<DateTime<Utc>>,
podcast: Option<String>,
device: Option<String>,
aggregated: bool,
) -> Result<Vec<gpodder::EpisodeAction>, gpodder::AuthErr> {
let since = since.map(|ts| ts.timestamp()).unwrap_or(0);
let conn = &mut self.pool.get()?;
let mut query = episode_actions::table
.left_join(devices::table)
.filter(
episode_actions::user_id
.eq(user.id)
.and(episode_actions::time_changed.ge(since)),
)
.select((
devices::device_id.nullable(),
db::EpisodeAction::as_select(),
))
.into_boxed();
if let Some(device_id) = device {
query = query.filter(devices::device_id.eq(device_id));
}
if let Some(podcast_url) = podcast {
query = query.filter(episode_actions::podcast_url.eq(podcast_url));
}
let db_actions: Vec<(Option<String>, db::EpisodeAction)> = if aggregated {
// https://stackoverflow.com/a/7745635
// For each episode URL, we want to return the row with the highest `time_changed`
// value. We achieve this be left joining with self on the URL, as well as whether the
// left row's time_changed value is less than the right one. Rows with the largest
// time_changed value for a given URL will join with a NULL value (because of the left
// join), so we filter those out to retrieve the correct rows.
let a2 = diesel::alias!(episode_actions as a2);
query
.left_join(
a2.on(episode_actions::episode_url
.eq(a2.field(episode_actions::episode_url))
.and(
episode_actions::time_changed
.lt(a2.field(episode_actions::time_changed)),
)),
)
.filter(a2.field(episode_actions::episode_url).is_null())
.get_results(conn)?
} else {
query.get_results(conn)?
};
let actions = db_actions
.into_iter()
.map(gpodder::EpisodeAction::from)
.collect();
Ok(actions)
}
}

View File

@ -1,7 +1,5 @@
mod cli;
mod config;
mod db;
mod gpodder;
mod server;
use clap::Parser;

View File

@ -2,13 +2,13 @@ use std::fmt;
use axum::{http::StatusCode, response::IntoResponse};
use crate::{db, ErrorExt};
use crate::ErrorExt;
pub type AppResult<T> = Result<T, AppError>;
#[derive(Debug)]
pub enum AppError {
Db(db::DbError),
// Db(db::DbError),
IO(std::io::Error),
Other(Box<dyn std::error::Error + 'static + Send + Sync>),
BadRequest,
@ -19,7 +19,7 @@ pub enum AppError {
impl fmt::Display for AppError {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
Self::Db(_) => write!(f, "database error"),
// Self::Db(_) => write!(f, "database error"),
Self::IO(_) => write!(f, "io error"),
Self::Other(_) => write!(f, "other error"),
Self::BadRequest => write!(f, "bad request"),
@ -32,7 +32,7 @@ impl fmt::Display for AppError {
impl std::error::Error for AppError {
fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
match self {
Self::Db(err) => Some(err),
// Self::Db(err) => Some(err),
Self::IO(err) => Some(err),
Self::Other(err) => Some(err.as_ref()),
Self::NotFound | Self::Unauthorized | Self::BadRequest => None,
@ -40,12 +40,6 @@ impl std::error::Error for AppError {
}
}
impl From<db::DbError> for AppError {
fn from(value: db::DbError) -> Self {
Self::Db(value)
}
}
impl From<std::io::Error> for AppError {
fn from(value: std::io::Error) -> Self {
Self::IO(value)

View File

@ -10,13 +10,10 @@ use axum_extra::{
};
use cookie::time::Duration;
use crate::{
gpodder,
server::{
error::{AppError, AppResult},
gpodder::SESSION_ID_COOKIE,
Context,
},
use crate::server::{
error::{AppError, AppResult},
gpodder::SESSION_ID_COOKIE,
Context,
};
pub fn router() -> Router<Context> {

View File

@ -5,17 +5,14 @@ use axum::{
Extension, Json, Router,
};
use crate::{
gpodder,
server::{
error::{AppError, AppResult},
gpodder::{
auth_middleware,
format::{Format, StringWithFormat},
models,
},
Context,
use crate::server::{
error::{AppError, AppResult},
gpodder::{
auth_middleware,
format::{Format, StringWithFormat},
models,
},
Context,
};
pub fn router(ctx: Context) -> Router<Context> {

View File

@ -7,18 +7,15 @@ use axum::{
use chrono::DateTime;
use serde::{Deserialize, Serialize};
use crate::{
gpodder,
server::{
error::{AppError, AppResult},
gpodder::{
auth_middleware,
format::{Format, StringWithFormat},
models,
models::UpdatedUrlsResponse,
},
Context,
use crate::server::{
error::{AppError, AppResult},
gpodder::{
auth_middleware,
format::{Format, StringWithFormat},
models,
models::UpdatedUrlsResponse,
},
Context,
};
pub fn router(ctx: Context) -> Router<Context> {

View File

@ -6,17 +6,14 @@ use axum::{
};
use serde::Deserialize;
use crate::{
gpodder,
server::{
error::{AppError, AppResult},
gpodder::{
auth_middleware,
format::{Format, StringWithFormat},
models::{SubscriptionDelta, SubscriptionDeltaResponse, UpdatedUrlsResponse},
},
Context,
use crate::server::{
error::{AppError, AppResult},
gpodder::{
auth_middleware,
format::{Format, StringWithFormat},
models::{SubscriptionDelta, SubscriptionDeltaResponse, UpdatedUrlsResponse},
},
Context,
};
pub fn router(ctx: Context) -> Router<Context> {

View File

@ -5,17 +5,14 @@ use axum::{
Extension, Json, Router,
};
use crate::{
gpodder,
server::{
error::{AppError, AppResult},
gpodder::{
auth_middleware,
format::{Format, StringWithFormat},
models::{SyncStatus, SyncStatusDelta},
},
Context,
use crate::server::{
error::{AppError, AppResult},
gpodder::{
auth_middleware,
format::{Format, StringWithFormat},
models::{SyncStatus, SyncStatusDelta},
},
Context,
};
pub fn router(ctx: Context) -> Router<Context> {

View File

@ -17,7 +17,7 @@ use axum_extra::{
};
use tower_http::set_header::SetResponseHeaderLayer;
use crate::{gpodder, server::error::AppError};
use crate::server::error::AppError;
use super::Context;

View File

@ -1,8 +1,6 @@
use chrono::{DateTime, NaiveDateTime, Utc};
use serde::{Deserialize, Serialize};
use crate::gpodder;
#[derive(Deserialize, Debug)]
pub struct SubscriptionDelta {
pub add: Vec<String>,

View File

@ -5,13 +5,10 @@ use axum::{
Extension, Json, Router,
};
use crate::{
gpodder,
server::{
error::{AppError, AppResult},
gpodder::{auth_middleware, format::StringWithFormat},
Context,
},
use crate::server::{
error::{AppError, AppResult},
gpodder::{auth_middleware, format::StringWithFormat},
Context,
};
pub fn router(ctx: Context) -> Router<Context> {

View File

@ -1,18 +1,27 @@
mod error;
mod gpodder;
use axum::{extract::Request, middleware::Next, response::Response, Router};
use axum::{
body::Body,
extract::Request,
http::StatusCode,
middleware::Next,
response::{IntoResponse, Response},
Router,
};
use http_body_util::BodyExt;
use tower_http::trace::TraceLayer;
#[derive(Clone)]
pub struct Context {
pub store: crate::gpodder::GpodderRepository,
pub store: ::gpodder::GpodderRepository,
}
pub fn app(ctx: Context) -> Router {
Router::new()
.merge(gpodder::router(ctx.clone()))
.layer(axum::middleware::from_fn(header_logger))
.layer(axum::middleware::from_fn(body_logger))
.layer(TraceLayer::new_for_http())
.with_state(ctx)
}
@ -26,3 +35,41 @@ async fn header_logger(request: Request, next: Next) -> Response {
res
}
async fn body_logger(request: Request, next: Next) -> Response {
let (parts, body) = request.into_parts();
let bytes = match body
.collect()
.await
.map_err(|err| (StatusCode::INTERNAL_SERVER_ERROR, err.to_string()).into_response())
{
Ok(res) => res.to_bytes(),
Err(err) => {
return err;
}
};
tracing::debug!("request body = {:?}", String::from_utf8(bytes.to_vec()));
let res = next
.run(Request::from_parts(parts, Body::from(bytes)))
.await;
let (parts, body) = res.into_parts();
let bytes = match body
.collect()
.await
.map_err(|err| (StatusCode::INTERNAL_SERVER_ERROR, err.to_string()).into_response())
{
Ok(res) => res.to_bytes(),
Err(err) => {
return err;
}
};
tracing::debug!("response body = {:?}", String::from_utf8(bytes.to_vec()));
Response::from_parts(parts, Body::from(bytes))
}