|
| 1 | +use chrono::Utc; |
| 2 | +use hightorrent_api::hightorrent::{MagnetLink, MagnetLinkError, TorrentID}; |
| 3 | +use sea_orm::entity::prelude::*; |
| 4 | +use sea_orm::*; |
| 5 | +use snafu::prelude::*; |
| 6 | + |
| 7 | +use crate::database::operation::*; |
| 8 | +use crate::extractors::user::User; |
| 9 | +use crate::routes::magnet::MagnetForm; |
| 10 | +use crate::state::AppState; |
| 11 | +use crate::state::logger::LoggerError; |
| 12 | + |
| 13 | +/// A category to store associated files. |
| 14 | +/// |
| 15 | +/// Each category has a name and an associated path on disk, where |
| 16 | +/// symlinks to the content will be created. |
| 17 | +#[sea_orm::model] |
| 18 | +#[derive(Clone, Debug, PartialEq, DeriveEntityModel)] |
| 19 | +#[sea_orm(table_name = "magnet")] |
| 20 | +pub struct Model { |
| 21 | + #[sea_orm(primary_key)] |
| 22 | + pub id: i32, |
| 23 | + pub torrent_id: TorrentID, |
| 24 | + pub link: MagnetLink, |
| 25 | + pub name: String, |
| 26 | + pub resolved: bool, |
| 27 | +} |
| 28 | + |
| 29 | +#[async_trait::async_trait] |
| 30 | +impl ActiveModelBehavior for ActiveModel {} |
| 31 | + |
| 32 | +#[derive(Debug, Snafu)] |
| 33 | +#[snafu(visibility(pub))] |
| 34 | +pub enum MagnetError { |
| 35 | + #[snafu(display("The magnet is invalid"))] |
| 36 | + InvalidMagnet { source: MagnetLinkError }, |
| 37 | + #[snafu(display("Database error"))] |
| 38 | + DB { source: sea_orm::DbErr }, |
| 39 | + #[snafu(display("The magnet (ID: {id}) does not exist"))] |
| 40 | + NotFound { id: i32 }, |
| 41 | + #[snafu(display("The magnet (TorrentID: {id}) does not exist"))] |
| 42 | + NotFoundTorrentID { id: TorrentID }, |
| 43 | + #[snafu(display("Failed to save the operation log"))] |
| 44 | + Logger { source: LoggerError }, |
| 45 | +} |
| 46 | + |
| 47 | +#[derive(Clone, Debug)] |
| 48 | +pub struct MagnetOperator { |
| 49 | + pub state: AppState, |
| 50 | + pub user: Option<User>, |
| 51 | +} |
| 52 | + |
| 53 | +impl MagnetOperator { |
| 54 | + pub fn new(state: AppState, user: Option<User>) -> Self { |
| 55 | + Self { state, user } |
| 56 | + } |
| 57 | + |
| 58 | + /// List magnets |
| 59 | + /// |
| 60 | + /// Should not fail, unless SQLite was corrupted for some reason. |
| 61 | + pub async fn list(&self) -> Result<Vec<Model>, MagnetError> { |
| 62 | + Entity::find() |
| 63 | + .all(&self.state.database) |
| 64 | + .await |
| 65 | + .context(DBSnafu) |
| 66 | + } |
| 67 | + |
| 68 | + pub async fn get(&self, id: i32) -> Result<Model, MagnetError> { |
| 69 | + let db = &self.state.database; |
| 70 | + |
| 71 | + Entity::find_by_id(id) |
| 72 | + .one(db) |
| 73 | + .await |
| 74 | + .context(DBSnafu)? |
| 75 | + .ok_or(MagnetError::NotFound { id }) |
| 76 | + } |
| 77 | + |
| 78 | + pub async fn get_by_torrent_id(&self, id: &TorrentID) -> Result<Model, MagnetError> { |
| 79 | + let db = &self.state.database; |
| 80 | + |
| 81 | + Entity::find() |
| 82 | + .filter(Column::TorrentId.eq(id.clone())) |
| 83 | + .one(db) |
| 84 | + .await |
| 85 | + .context(DBSnafu)? |
| 86 | + .ok_or(MagnetError::NotFoundTorrentID { id: id.clone() }) |
| 87 | + } |
| 88 | + |
| 89 | + /// Delete an uploaded magnet |
| 90 | + pub async fn delete(&self, id: i32) -> Result<String, MagnetError> { |
| 91 | + let db = &self.state.database; |
| 92 | + |
| 93 | + let uploaded_magnet = Entity::find_by_id(id) |
| 94 | + .one(db) |
| 95 | + .await |
| 96 | + .context(DBSnafu)? |
| 97 | + .ok_or(MagnetError::NotFound { id })?; |
| 98 | + |
| 99 | + let clone: Model = uploaded_magnet.clone(); |
| 100 | + uploaded_magnet.delete(db).await.context(DBSnafu)?; |
| 101 | + |
| 102 | + let operation_log = OperationLog { |
| 103 | + user: self.user.clone(), |
| 104 | + date: Utc::now(), |
| 105 | + table: Table::Magnet, |
| 106 | + operation: OperationType::Delete, |
| 107 | + operation_id: OperationId { |
| 108 | + object_id: clone.id, |
| 109 | + name: clone.name.to_owned(), |
| 110 | + }, |
| 111 | + operation_form: None, |
| 112 | + }; |
| 113 | + |
| 114 | + self.state |
| 115 | + .logger |
| 116 | + .write(operation_log) |
| 117 | + .await |
| 118 | + .context(LoggerSnafu)?; |
| 119 | + |
| 120 | + Ok(clone.name) |
| 121 | + } |
| 122 | + |
| 123 | + /// Create a new uploaded magnet |
| 124 | + /// |
| 125 | + /// Fails if: |
| 126 | + /// |
| 127 | + /// - the magnet is invalid |
| 128 | + pub async fn create(&self, f: &MagnetForm) -> Result<Model, MagnetError> { |
| 129 | + let magnet = MagnetLink::new(&f.magnet).context(InvalidMagnetSnafu)?; |
| 130 | + |
| 131 | + // Check duplicates |
| 132 | + let list = self.list().await?; |
| 133 | + |
| 134 | + if list.iter().any(|x| x.torrent_id == magnet.id()) { |
| 135 | + // The magnet is already known |
| 136 | + return self.get_by_torrent_id(&magnet.id()).await; |
| 137 | + } |
| 138 | + |
| 139 | + let model = ActiveModel { |
| 140 | + torrent_id: Set(magnet.id()), |
| 141 | + link: Set(magnet.clone()), |
| 142 | + name: Set(magnet.name().to_string()), |
| 143 | + // TODO: check if we already have the torrent in which case it's already resolved! |
| 144 | + resolved: Set(false), |
| 145 | + ..Default::default() |
| 146 | + } |
| 147 | + .save(&self.state.database) |
| 148 | + .await |
| 149 | + .context(DBSnafu)?; |
| 150 | + |
| 151 | + // Should not fail |
| 152 | + let model = model.try_into_model().unwrap(); |
| 153 | + |
| 154 | + let operation_log = OperationLog { |
| 155 | + user: self.user.clone(), |
| 156 | + date: Utc::now(), |
| 157 | + table: Table::Magnet, |
| 158 | + operation: OperationType::Create, |
| 159 | + operation_id: OperationId { |
| 160 | + object_id: model.id.to_owned(), |
| 161 | + name: model.name.to_string(), |
| 162 | + }, |
| 163 | + operation_form: Some(Operation::Magnet(f.clone())), |
| 164 | + }; |
| 165 | + |
| 166 | + self.state |
| 167 | + .logger |
| 168 | + .write(operation_log) |
| 169 | + .await |
| 170 | + .context(LoggerSnafu)?; |
| 171 | + |
| 172 | + Ok(model) |
| 173 | + } |
| 174 | +} |
0 commit comments