backbone-core 3.0.0

//! Entity traits and common entity implementations

use serde::{Serialize, Deserialize};
use uuid::Uuid;
use chrono::{DateTime, Utc};

/// Base trait for all entities in Backbone Framework
pub trait Entity: Serialize + for<'de> Deserialize<'de> {
    fn id(&self) -> &Uuid;
    fn created_at(&self) -> DateTime<Utc>;
    fn updated_at(&self) -> DateTime<Utc>;
    fn deleted_at(&self) -> Option<DateTime<Utc>>;
    fn is_deleted(&self) -> bool {
        self.deleted_at().is_some()
    }
}

/// Base entity struct with common fields
#[derive(Debug, Clone, Serialize, Deserialize, PartialEq)]
pub struct BaseEntity {
    pub id: Uuid,
    pub created_at: DateTime<Utc>,
    pub updated_at: DateTime<Utc>,
    pub deleted_at: Option<DateTime<Utc>>,
}

impl Default for BaseEntity {
    fn default() -> Self {
        Self::new()
    }
}

impl BaseEntity {
    pub fn new() -> Self {
        let now = Utc::now();
        Self {
            id: Uuid::new_v4(),
            created_at: now,
            updated_at: now,
            deleted_at: None,
        }
    }

    pub fn delete(&mut self) {
        self.deleted_at = Some(Utc::now());
        self.updated_at = Utc::now();
    }

    pub fn restore(&mut self) {
        self.deleted_at = None;
        self.updated_at = Utc::now();
    }

    pub fn touch(&mut self) {
        self.updated_at = Utc::now();
    }
}

impl Entity for BaseEntity {
    fn id(&self) -> &Uuid {
        &self.id
    }

    fn created_at(&self) -> DateTime<Utc> {
        self.created_at
    }

    fn updated_at(&self) -> DateTime<Utc> {
        self.updated_at
    }

    fn deleted_at(&self) -> Option<DateTime<Utc>> {
        self.deleted_at
    }
}