Yoda 0.12.12

Browser for Gemini Protocol
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mod database;
mod memory;

use anyhow::Result;
use database::Database;
use gtk::glib::DateTime;
use memory::Memory;
use r2d2::Pool;
use r2d2_sqlite::SqliteConnectionManager;
use std::cell::RefCell;

pub struct Ignore {
    database: Database,
    memory: RefCell<Vec<Memory>>,
}

/// https://docs.gtk.org/gio/property.SimpleProxyResolver.ignore-hosts.html
impl Ignore {
    // Constructors

    pub fn init(database_pool: &Pool<SqliteConnectionManager>, profile_id: i64) -> Result<Self> {
        let database = Database::init(database_pool, profile_id);

        let rows = database.rows()?;
        let memory = RefCell::new(Vec::with_capacity(rows.len()));

        {
            // build in-memory index...
            let mut m = memory.borrow_mut();
            for row in rows {
                m.push(Memory {
                    id: Some(row.id),
                    host: row.host,
                    is_enabled: row.is_enabled,
                    time: DateTime::from_unix_local(row.time)?,
                });
            }
        }

        Ok(Self { database, memory })
    }

    // Setters

    pub fn add(&self, id: Option<i64>, is_enabled: bool, host: String, time: DateTime) {
        self.memory.borrow_mut().push(Memory {
            id,
            host,
            is_enabled,
            time,
        }) // @TODO validate?
    }

    pub fn clear(&self) {
        self.memory.borrow_mut().clear();
    }

    pub fn save(&self) -> Result<()> {
        let rules = self.memory.take();
        let mut keep_id = Vec::with_capacity(rules.len());
        for rule in rules {
            keep_id.push(self.database.persist(
                rule.id,
                rule.time.to_unix(),
                rule.is_enabled,
                rule.host,
            )?);
        }
        self.database.clean(keep_id)?;
        Ok(())
    }

    // Getters

    pub fn all(&self) -> Vec<Memory> {
        self.memory.borrow().iter().cloned().collect()
    }

    pub fn enabled(&self) -> Vec<Memory> {
        self.memory
            .borrow()
            .iter()
            .filter(|r| r.is_enabled)
            .cloned()
            .collect()
    }
}

// Tools

pub fn migrate(tx: &sqlite::Transaction) -> Result<()> {
    // Migrate self components
    database::init(tx)?;

    // Delegate migration to childs
    // nothing yet...

    // Success
    Ok(())
}