use super::{coalesce,organisations::Organisation,permissions::UserPermission,schema::{crate_versions, crates, organisations, user_crate_permissions, users},users::User,BitwiseExpressionMethods, ConnectionPool, Error, Result,};use diesel::{insert_into, prelude::*, Associations, Identifiable, Queryable};use itertools::Itertools;use serde::{Deserialize, Serialize};use std::{collections::HashMap, sync::Arc};#[derive(Identifiable, Queryable, Associations, Default, PartialEq, Eq, Hash, Debug)]#[belongs_to(User)]#[belongs_to(Crate)]pub struct UserCratePermission {pub id: i32,pub user_id: i32,pub crate_id: i32,pub permissions: UserPermission,}impl UserCratePermission {pub async fn find(conn: ConnectionPool,given_user_id: i32,given_crate_id: i32,) -> Result<Option<UserCratePermission>> {use crate::schema::user_crate_permissions::dsl::{crate_id, user_id};tokio::task::spawn_blocking(move || {let conn = conn.get()?;Ok(crate::schema::user_crate_permissions::table.filter(user_id.eq(given_user_id)).filter(crate_id.eq(given_crate_id)).get_result(&conn).optional()?)}).await?}}#[derive(Identifiable, Queryable, Associations, PartialEq, Eq, Hash, Debug)]#[belongs_to(Organisation)]pub struct Crate {pub id: i32,pub name: String,pub organisation_id: i32,pub readme: Option<String>,pub description: Option<String>,pub repository: Option<String>,pub homepage: Option<String>,pub documentation: Option<String>,pub downloads: i32,pub created_at: chrono::NaiveDateTime,}macro_rules! crate_with_permissions {($user_id:ident) => {crates::table.left_join(crate::schema::user_crate_permissions::table.on(crate::schema::user_crate_permissions::dsl::user_id.eq($user_id).and(crate::schema::user_crate_permissions::crate_id.eq(crates::id)),),).left_join(crate::schema::user_organisation_permissions::table.on(crate::schema::user_organisation_permissions::user_id.eq($user_id).and(crate::schema::user_organisation_permissions::organisation_id.eq(crates::organisation_id),),),)};}macro_rules! select_permissions {() => {coalesce(crate::schema::user_crate_permissions::permissions.nullable(),0,).bitwise_or(coalesce(crate::schema::user_organisation_permissions::permissions.nullable(),0,)).bitwise_or(diesel::dsl::sql::<diesel::sql_types::Integer>(&format!("COALESCE(CASE WHEN {} THEN {} OR 0 END, 0)","organisations.public",UserPermission::VISIBLE.bits(),)))};}impl Crate {pub async fn search(conn: ConnectionPool,requesting_user_id: i32,terms: String,limit: i64,) -> Result<HashMap<Organisation, Vec<CrateWithPermissions>>> {tokio::task::spawn_blocking(move || {let conn = conn.get()?;let crates = crate_with_permissions!(requesting_user_id).inner_join(organisations::table).filter(select_permissions!().bitwise_and(UserPermission::VISIBLE.bits()).eq(UserPermission::VISIBLE.bits()),).filter((organisations::name.concat("/").concat(crates::name)).like(&format!("%{}%", terms)),).select((organisations::all_columns,crates::all_columns,select_permissions!(),)).limit(limit).load(&conn)?.into_iter().map(|(organisation, crate_, permissions)| {(organisation,CrateWithPermissions {crate_,permissions,},)}).into_group_map();Ok(crates)}).await?}pub async fn list_with_versions(conn: ConnectionPool,requesting_user_id: i32,given_org_name: String,) -> Result<HashMap<Crate, Vec<CrateVersion<'static>>>> {use crate::schema::organisations::dsl::{name as org_name, organisations};tokio::task::spawn_blocking(move || {let conn = conn.get()?;let crate_versions = crate_with_permissions!(requesting_user_id).inner_join(organisations).filter(org_name.eq(given_org_name)).filter(select_permissions!().bitwise_and(UserPermission::VISIBLE.bits()).eq(UserPermission::VISIBLE.bits()),).inner_join(crate_versions::table).select((crates::all_columns, crate_versions::all_columns)).load(&conn)?;Ok(crate_versions.into_iter().into_grouping_map().collect())}).await?}pub async fn list_recently_created(conn: ConnectionPool,requesting_user_id: i32,) -> Result<Vec<(Crate, Organisation)>> {tokio::task::spawn_blocking(move || {let conn = conn.get()?;let crates = crate_with_permissions!(requesting_user_id).filter(select_permissions!().bitwise_and(UserPermission::VISIBLE.bits()).eq(UserPermission::VISIBLE.bits()),).inner_join(organisations::table).select((crates::all_columns, organisations::all_columns)).limit(10).order_by(crate::schema::crates::dsl::created_at.desc()).load(&conn)?;Ok(crates)}).await?}pub async fn list_most_downloaded(conn: ConnectionPool,requesting_user_id: i32,) -> Result<Vec<(Crate, Organisation)>> {tokio::task::spawn_blocking(move || {let conn = conn.get()?;let crates = crate_with_permissions!(requesting_user_id).filter(select_permissions!().bitwise_and(UserPermission::VISIBLE.bits()).eq(UserPermission::VISIBLE.bits()),).inner_join(organisations::table).select((crates::all_columns, organisations::all_columns)).limit(10).order_by(crate::schema::crates::dsl::downloads.desc()).load(&conn)?;Ok(crates)}).await?}pub async fn list_recently_updated(conn: ConnectionPool,requesting_user_id: i32,) -> Result<Vec<(Crate, CrateVersion<'static>, Organisation)>> {tokio::task::spawn_blocking(move || {let conn = conn.get()?;let crates = crate_with_permissions!(requesting_user_id).filter(select_permissions!().bitwise_and(UserPermission::VISIBLE.bits()).eq(UserPermission::VISIBLE.bits()),).inner_join(organisations::table).inner_join(crate_versions::table).select((crates::all_columns,crate_versions::all_columns,organisations::all_columns,)).limit(10).order_by(crate::schema::crate_versions::dsl::id.desc()).load(&conn)?;Ok(crates)}).await?}pub async fn find_by_name(conn: ConnectionPool,requesting_user_id: i32,given_org_name: String,given_crate_name: String,) -> Result<CrateWithPermissions> {use crate::schema::crates::dsl::name as crate_name;use crate::schema::organisations::dsl::{name as org_name, organisations};tokio::task::spawn_blocking(move || {let conn = conn.get()?;let (crate_, permissions) = crate_with_permissions!(requesting_user_id).inner_join(organisations).filter(org_name.eq(given_org_name)).filter(crate_name.eq(given_crate_name)).select((crate::schema::crates::all_columns, select_permissions!())).first::<(Crate, UserPermission)>(&conn).optional()?.ok_or(Error::MissingCrate)?;if permissions.contains(UserPermission::VISIBLE) {Ok(CrateWithPermissions {crate_,permissions,})} else {Err(Error::MissingCratePermission(UserPermission::VISIBLE))}}).await?}pub async fn create(conn: ConnectionPool,requesting_user_id: i32,given_org_name: String,given_crate_name: String,) -> Result<CrateWithPermissions> {use crate::schema::organisations::dsl::{id, name as org_name, organisations};use crate::schema::user_organisation_permissions::dsl::{organisation_id, permissions, user_id,};tokio::task::spawn_blocking(move || {let conn = conn.get()?;let (org_id, perms) = organisations.filter(org_name.eq(given_org_name)).inner_join(crate::schema::user_organisation_permissions::table.on(organisation_id.eq(id).and(user_id.eq(requesting_user_id))),).select((id, permissions)).first::<(i32, UserPermission)>(&conn).optional()?.ok_or(Error::MissingOrganisation)?;#[allow(clippy::if_not_else)]if !perms.contains(UserPermission::VISIBLE) {Err(Error::MissingCratePermission(UserPermission::VISIBLE))} else if !perms.contains(UserPermission::CREATE_CRATE) {Err(Error::MissingCratePermission(UserPermission::CREATE_CRATE))} else {use crate::schema::crates::dsl::{crates, name, organisation_id};insert_into(crates).values((name.eq(&given_crate_name), organisation_id.eq(org_id))).execute(&conn)?;let crate_ = crates.filter(name.eq(given_crate_name).and(organisation_id.eq(org_id))).select(crate::schema::crates::all_columns).first::<Crate>(&conn)?;Ok(CrateWithPermissions {crate_,permissions: perms,})}}).await?}}#[derive(Debug)]pub struct CrateWithPermissions {pub crate_: Crate,pub permissions: UserPermission,}impl CrateWithPermissions {pub async fn latest_version(self: Arc<Self>,conn: ConnectionPool,) -> Result<Option<CrateVersion<'static>>> {tokio::task::spawn_blocking(move || {let conn = conn.get()?;Ok(CrateVersion::belonging_to(&self.crate_).order_by(crate_versions::id.desc()).limit(1).get_result::<CrateVersion<'_>>(&conn).optional()?)}).await?}pub async fn version(self: Arc<Self>,conn: ConnectionPool,crate_version: String,) -> Result<Option<CrateVersion<'static>>> {use crate::schema::crate_versions::version;tokio::task::spawn_blocking(move || {let conn = conn.get()?;Ok(CrateVersion::belonging_to(&self.crate_).filter(version.eq(crate_version)).get_result::<CrateVersion<'_>>(&conn).optional()?)}).await?}pub async fn versions_with_uploader(self: Arc<Self>,conn: ConnectionPool,) -> Result<Vec<(CrateVersion<'static>, User)>> {tokio::task::spawn_blocking(move || {let conn = conn.get()?;Ok(CrateVersion::belonging_to(&self.crate_).inner_join(users::table).load::<(CrateVersion<'_>, User)>(&conn)?)}).await?}pub async fn increment_download_count(self: Arc<Self>, conn: ConnectionPool) -> Result<()> {tokio::task::spawn_blocking(move || {let conn = conn.get()?;let _ = diesel::update(crates::table).set(crates::downloads.eq(crates::downloads + 1)).filter(crates::id.eq(self.crate_.id)).execute(&conn)?;Ok(())}).await?}pub async fn owners(self: Arc<Self>, conn: ConnectionPool) -> Result<Vec<crate::users::User>> {tokio::task::spawn_blocking(move || {use crate::schema::user_crate_permissions::dsl::permissions;let conn = conn.get()?;Ok(UserCratePermission::belonging_to(&self.crate_).filter(permissions.bitwise_and(UserPermission::MANAGE_USERS.bits()).ne(0),).inner_join(crate::schema::users::dsl::users).select(crate::schema::users::all_columns).load::<crate::users::User>(&conn)?)}).await?}pub async fn members(self: Arc<Self>,conn: ConnectionPool,) -> Result<Vec<(crate::users::User, UserPermission)>> {if !self.permissions.contains(UserPermission::MANAGE_USERS) {return Err(Error::MissingCratePermission(UserPermission::MANAGE_USERS));}tokio::task::spawn_blocking(move || {let conn = conn.get()?;Ok(UserCratePermission::belonging_to(&self.crate_).inner_join(users::dsl::users).select((users::all_columns, user_crate_permissions::permissions)).load(&conn)?)}).await?}pub async fn update_permissions(self: Arc<Self>,conn: ConnectionPool,given_user_id: i32,given_permissions: UserPermission,) -> Result<usize> {if !self.permissions.contains(UserPermission::MANAGE_USERS) {return Err(Error::MissingCratePermission(UserPermission::MANAGE_USERS));}tokio::task::spawn_blocking(move || {use crate::schema::user_crate_permissions::dsl::{crate_id, permissions, user_crate_permissions, user_id,};let conn = conn.get()?;Ok(diesel::update(user_crate_permissions.filter(user_id.eq(given_user_id)).filter(crate_id.eq(self.crate_.id)),).set(permissions.eq(given_permissions.bits())).execute(&conn)?)}).await?}pub async fn insert_permissions(self: Arc<Self>,conn: ConnectionPool,given_user_id: i32,given_permissions: UserPermission,) -> Result<usize> {if !self.permissions.contains(UserPermission::MANAGE_USERS) {return Err(Error::MissingCratePermission(UserPermission::MANAGE_USERS));}tokio::task::spawn_blocking(move || {use crate::schema::user_crate_permissions::dsl::{crate_id, permissions, user_crate_permissions, user_id,};let conn = conn.get()?;Ok(diesel::insert_into(user_crate_permissions).values((user_id.eq(given_user_id),crate_id.eq(self.crate_.id),permissions.eq(given_permissions.bits()),)).execute(&conn)?)}).await?}pub async fn delete_member(self: Arc<Self>,conn: ConnectionPool,given_user_id: i32,) -> Result<()> {if !self.permissions.contains(UserPermission::MANAGE_USERS) {return Err(Error::MissingCratePermission(UserPermission::MANAGE_USERS));}tokio::task::spawn_blocking(move || {use crate::schema::user_crate_permissions::dsl::{crate_id, user_crate_permissions, user_id,};let conn = conn.get()?;diesel::delete(user_crate_permissions.filter(user_id.eq(given_user_id)).filter(crate_id.eq(self.crate_.id)),).execute(&conn)?;Ok(())}).await?}#[allow(clippy::too_many_arguments)]pub async fn publish_version(self: Arc<Self>,conn: ConnectionPool,user: Arc<User>,file_identifier: chartered_fs::FileReference,file_checksum: String,file_size: i32,given: chartered_types::cargo::CrateVersion<'static>,metadata: chartered_types::cargo::CrateVersionMetadata,) -> Result<()> {use crate::schema::{crate_versions::dsl::{checksum, crate_id, crate_versions, dependencies, features, filesystem_object,links, size, user_id, version,},crates::dsl::{crates, description, documentation, homepage, id, name, readme, repository,},};if !self.permissions.contains(UserPermission::PUBLISH_VERSION) {return Err(Error::MissingCratePermission(UserPermission::PUBLISH_VERSION,));}tokio::task::spawn_blocking(move || {use diesel::result::{DatabaseErrorKind, Error as DieselError};let conn = conn.get()?;conn.transaction::<_, crate::Error, _>(|| {diesel::update(crates.filter(id.eq(self.crate_.id))).set((name.eq(given.name),description.eq(metadata.description),readme.eq(metadata.readme),repository.eq(metadata.repository),homepage.eq(metadata.homepage),documentation.eq(metadata.documentation),)).execute(&conn)?;let res = insert_into(crate_versions).values((crate_id.eq(self.crate_.id),filesystem_object.eq(file_identifier.to_string()),size.eq(file_size),checksum.eq(file_checksum),version.eq(&given.vers),dependencies.eq(CrateDependencies(given.deps)),features.eq(CrateFeatures(given.features)),links.eq(given.links),user_id.eq(user.id),)).execute(&conn);match res {Ok(_) => Ok(()),Err(DieselError::DatabaseError(DatabaseErrorKind::UniqueViolation, _)) => {Err(Error::VersionConflict(given.vers.into_owned()))}Err(e) => Err(e.into()),}})?;Ok(())}).await?}pub async fn yank_version(self: Arc<Self>,conn: ConnectionPool,given_version: String,yank: bool,) -> Result<()> {use crate::schema::crate_versions::dsl::{crate_id, crate_versions, version, yanked};if !self.permissions.contains(UserPermission::YANK_VERSION) {return Err(Error::MissingCratePermission(UserPermission::YANK_VERSION));}tokio::task::spawn_blocking(move || {let conn = conn.get()?;diesel::update(crate_versions.filter(crate_id.eq(self.crate_.id)).filter(version.eq(given_version)),).set(yanked.eq(yank)).execute(&conn)?;Ok(())}).await?}}#[derive(Identifiable, Queryable, Associations, PartialEq, Debug)]#[belongs_to(Crate)]#[belongs_to(User)]pub struct CrateVersion<'a> {pub id: i32,pub crate_id: i32,pub version: String,pub filesystem_object: String,pub size: i32,pub yanked: bool,pub checksum: String,pub dependencies: CrateDependencies<'a>,pub features: CrateFeatures,pub links: Option<String>,pub user_id: i32,pub created_at: chrono::NaiveDateTime,}impl<'a> CrateVersion<'a> {#[must_use]pub fn into_cargo_format(self, crate_: &'a Crate) -> chartered_types::cargo::CrateVersion<'a> {chartered_types::cargo::CrateVersion {name: crate_.name.as_str().into(),vers: self.version.into(),deps: self.dependencies.0,features: self.features.0,links: self.links.map(Into::into),}}}#[derive(Serialize, Deserialize, FromSqlRow, AsExpression, Debug, Clone, PartialEq, Eq)]#[sql_type = "diesel::sql_types::Blob"]pub struct CrateDependencies<'a>(pub Vec<chartered_types::cargo::CrateDependency<'a>>);derive_diesel_json!(CrateDependencies<'a>);impl<'a> From<Vec<chartered_types::cargo::CrateDependency<'a>>> for CrateDependencies<'a> {fn from(o: Vec<chartered_types::cargo::CrateDependency<'a>>) -> Self {Self(o)}}#[derive(Serialize, Deserialize, FromSqlRow, AsExpression, Debug, Clone, PartialEq, Eq)]#[sql_type = "diesel::sql_types::Blob"]pub struct CrateFeatures(pub chartered_types::cargo::CrateFeatures);derive_diesel_json!(CrateFeatures);impl<'a> From<chartered_types::cargo::CrateFeatures> for CrateFeatures {fn from(o: chartered_types::cargo::CrateFeatures) -> Self {Self(o)}}