eureka-mmanager 0.4.0

An Actix actor collection for downloading manga, chapters, covers from Mangadex
Documentation 
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use std::ops::{Deref, DerefMut};

use actix::prelude::*;

use crate::{
    history::{
        history_w_file::traits::{AsyncAutoCommitRollbackInsert, AutoCommitRollbackInsert},
        service::HistoryActorService,
        AsyncInsert, HistoryEntry, HistoryWFile, Insert,
    },
    ManagerCoreResult,
};

#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
pub struct InsertMessage {
    entry: HistoryEntry,
    auto_commit: bool,
}

impl InsertMessage {
    pub fn new(entry: HistoryEntry) -> Self {
        Self {
            entry,
            auto_commit: true,
        }
    }
    pub fn no_commit(self) -> Self {
        Self {
            entry: self.entry,
            auto_commit: false,
        }
    }
    pub fn commit(self) -> Self {
        Self {
            entry: self.entry,
            auto_commit: true,
        }
    }
}

impl Deref for InsertMessage {
    type Target = HistoryEntry;
    fn deref(&self) -> &Self::Target {
        &self.entry
    }
}

impl DerefMut for InsertMessage {
    fn deref_mut(&mut self) -> &mut Self::Target {
        &mut self.entry
    }
}

impl From<InsertMessage> for HistoryEntry {
    fn from(value: InsertMessage) -> Self {
        value.entry
    }
}

impl From<HistoryEntry> for InsertMessage {
    fn from(value: HistoryEntry) -> Self {
        InsertMessage::new(value)
    }
}

impl Message for InsertMessage {
    type Result = ManagerCoreResult<()>;
}

impl Handler<InsertMessage> for HistoryActorService {
    type Result = ManagerCoreResult<()>;
    fn handle(&mut self, msg: InsertMessage, ctx: &mut Self::Context) -> Self::Result {
        if let Some(history) = self.get_history_mut(msg.data_type) {
            if msg.auto_commit {
                <HistoryWFile as AutoCommitRollbackInsert<HistoryEntry>>::insert(
                    history, msg.entry,
                )?;
            } else {
                <HistoryWFile as Insert<HistoryEntry>>::insert(history, msg.entry)?;
            }
        } else {
            HistoryWFile::init(msg.data_type, self.dirs.clone()).into_actor(self).map(move|res, this, _| {
                match res {
                    Ok(mut history) => {
                        if msg.auto_commit {
                        let _ = <HistoryWFile as AutoCommitRollbackInsert<HistoryEntry>>::insert(&mut history, msg.entry);
                    } else {
                        let _ = <HistoryWFile as Insert<HistoryEntry>>::insert(&mut history, msg.entry);
                    }
                    this.files.insert(msg.data_type, history);
                    }
                    Err(e) => {
                        log::error!("{e}");
                    }
                };
            }).wait(ctx);
        }
        Ok(())
    }
}

impl<'a> AsyncAutoCommitRollbackInsert<'a, HistoryEntry> for Addr<HistoryActorService> {
    type Output = ManagerCoreResult<()>;
    async fn insert_and_commit(
        &'a mut self,
        value: HistoryEntry,
    ) -> <Self as AsyncAutoCommitRollbackInsert<'a, HistoryEntry>>::Output {
        self.send(InsertMessage::new(value)).await?
    }
}

impl<'a> AsyncInsert<'a, HistoryEntry> for Addr<HistoryActorService> {
    type Output = ManagerCoreResult<()>;
    async fn insert(
        &'a mut self,
        value: HistoryEntry,
    ) -> <Self as AsyncInsert<'a, HistoryEntry>>::Output {
        self.send(InsertMessage::new(value).no_commit()).await?
    }
}