serde

use serde::{Deserialize, Serialize};

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct AppConfig {
    #[serde(default)]
    pub server: ServerConfig,

#[derive(Debug, Clone, PartialEq, Eq)]
pub struct Currency {
    pub code: &'static str,
    pub symbol: &'static str,
    pub exponent: u32,
}

use serde::{Deserialize, Serialize};

#[derive(Serialize, Deserialize, Debug)]
struct Config {
    host: String,
    port: u16,

use chrono::NaiveDate;
use rust_decimal::Decimal;
use serde::{Deserialize, Deserializer};

#[derive(Debug, Clone, Deserialize)]
pub struct Transaction {

use serde::{Deserialize, Deserializer};
use time::OffsetDateTime;

#[derive(Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct UserProfile {

use serde::{Deserialize, Serialize};

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq)]
pub struct CancelReason {
    pub reason: String,
    pub feedback: Option<String>,

use serde::Deserialize;

#[derive(Debug, Deserialize)]
#[serde(deny_unknown_fields)]
pub struct Config {
    pub server: ServerConfig,

use serde::Deserialize;
use std::fmt;

#[derive(Debug, Deserialize)]
pub struct UserRecord {
    pub name: String,

use serde::Serialize;
use serde_json::Value;

#[derive(Debug, Clone, Serialize)]
#[serde(tag = "kind", rename_all = "lowercase")]
pub enum ChangeKind {

use std::fmt;
use std::hash::{Hash, Hasher};
use std::marker::PhantomData;
use uuid::Uuid;

pub struct Id<T> {

use serde::{Deserialize, Deserializer};

#[derive(Debug, Deserialize)]
pub struct ListFilter {
    #[serde(default)]
    pub status: Status,

#[derive(Debug, Clone, PartialEq, Eq)]
pub struct EmailAddress(String);

impl EmailAddress {
    pub fn parse(raw: &str) -> Result<Self, String> {
        if raw.contains('@') && !raw.starts_with('@') {