akita 0.7.0

Akita - Mini orm for rust.
Documentation 
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/*
 *
 *  *
 *  *      Copyright (c) 2018-2025, SnackCloud All rights reserved.
 *  *
 *  *   Redistribution and use in source and binary forms, with or without
 *  *   modification, are permitted provided that the following conditions are met:
 *  *
 *  *   Redistributions of source code must retain the above copyright notice,
 *  *   this list of conditions and the following disclaimer.
 *  *   Redistributions in binary form must reproduce the above copyright
 *  *   notice, this list of conditions and the following disclaimer in the
 *  *   documentation and/or other materials provided with the distribution.
 *  *   Neither the name of the www.snackcloud.cn developer nor the names of its
 *  *   contributors may be used to endorse or promote products derived from
 *  *   this software without specific prior written permission.
 *  *   Author: SnackCloud
 *  *
 *
 */

pub mod shared;

cfg_if! {if #[cfg(any(
    feature = "mysql-sync",
    feature = "postgres-sync",
    feature = "sqlite-sync",
    feature = "oracle-sync",
    feature = "mssql-sync"
))] {
    pub mod blocking;
}}

cfg_if! {if #[cfg(any(
    feature = "mysql-async",
    feature = "postgres-async",
    feature = "sqlite-async",
    feature = "oracle-async",
    feature = "mssql-async"
))] {
    pub mod non_blocking;
}}

use akita_core::cfg_if;
use serde::{Deserialize, Serialize};

#[derive(Debug, Clone)]
pub struct PaginationOptions {
    pub page: u64,
    pub size: u64,
    pub order_by: Option<String>,
    pub need_total: bool,
}

#[derive(Clone, Deserialize, Serialize)]
pub struct IPage<T>
where
    T: Sized,
{
    pub total: u64,
    pub size: u64,
    pub current: u64,
    pub records: Vec<T>,
}

impl<T> IPage<T>
where
    T: Sized,
{
    pub fn new(current: u64, size: u64, total: u64, records: Vec<T>) -> Self {
        Self {
            total,
            size,
            current,
            records,
        }
    }

    pub fn offset(&self) -> u64 {
        if self.current > 0 {
            (self.current - 1) * self.size
        } else {
            0
        }
    }
}