118 lines
3.6 KiB
Rust
118 lines
3.6 KiB
Rust
use uuid::Uuid;
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use crate::errors::DomainError;
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macro_rules! uuid_id {
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($name:ident) => {
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#[derive(Debug, Clone, PartialEq, Eq, Hash, serde::Serialize, serde::Deserialize)]
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pub struct $name(Uuid);
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impl $name {
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pub fn new() -> Self { Self(Uuid::new_v4()) }
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pub fn from_uuid(u: Uuid) -> Self { Self(u) }
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pub fn as_uuid(&self) -> Uuid { self.0 }
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}
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impl Default for $name {
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fn default() -> Self { Self::new() }
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}
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impl std::fmt::Display for $name {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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write!(f, "{}", self.0)
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}
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}
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};
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}
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uuid_id!(UserId);
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uuid_id!(ThoughtId);
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uuid_id!(LikeId);
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uuid_id!(BoostId);
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uuid_id!(ApiKeyId);
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uuid_id!(NotificationId);
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#[derive(Debug, Clone, PartialEq, Eq, serde::Serialize, serde::Deserialize)]
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pub struct Username(String);
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impl Username {
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pub fn new(s: impl Into<String>) -> Result<Self, DomainError> {
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let s = s.into();
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if s.is_empty() || s.len() > 32 {
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return Err(DomainError::InvalidInput("username: 1-32 chars".into()));
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}
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if !s.chars().all(|c| c.is_alphanumeric() || c == '_') {
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return Err(DomainError::InvalidInput("username: alphanumeric or underscore only".into()));
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}
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Ok(Self(s))
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}
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pub fn from_trusted(s: String) -> Self { Self(s) }
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pub fn as_str(&self) -> &str { &self.0 }
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}
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impl std::fmt::Display for Username {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { write!(f, "{}", self.0) }
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}
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#[derive(Debug, Clone, PartialEq, Eq, serde::Serialize, serde::Deserialize)]
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pub struct Email(String);
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impl Email {
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pub fn new(s: impl Into<String>) -> Result<Self, DomainError> {
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let s = s.into().to_lowercase();
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if !s.contains('@') || s.len() > 255 {
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return Err(DomainError::InvalidInput("invalid email".into()));
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}
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Ok(Self(s))
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}
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pub fn from_trusted(s: String) -> Self { Self(s) }
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pub fn as_str(&self) -> &str { &self.0 }
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}
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#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
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pub struct PasswordHash(pub String);
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#[derive(Debug, Clone, PartialEq, Eq, serde::Serialize, serde::Deserialize)]
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pub struct Content(String);
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impl Content {
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pub fn new_local(s: impl Into<String>) -> Result<Self, DomainError> {
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let s = s.into();
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if s.is_empty() || s.len() > 128 {
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return Err(DomainError::InvalidInput("content: 1-128 chars".into()));
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}
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Ok(Self(s))
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}
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pub fn new_remote(s: impl Into<String>) -> Self { Self(s.into()) }
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pub fn as_str(&self) -> &str { &self.0 }
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}
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impl std::fmt::Display for Content {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { write!(f, "{}", self.0) }
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn username_rejects_empty() {
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assert!(Username::new("").is_err());
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}
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#[test]
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fn username_rejects_too_long() {
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assert!(Username::new("a".repeat(33)).is_err());
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}
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#[test]
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fn username_rejects_invalid_chars() {
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assert!(Username::new("hello world").is_err());
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}
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#[test]
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fn username_accepts_valid() {
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assert!(Username::new("hello_123").is_ok());
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}
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#[test]
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fn content_local_rejects_over_128() {
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assert!(Content::new_local("a".repeat(129)).is_err());
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}
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#[test]
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fn content_local_accepts_128() {
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assert!(Content::new_local("a".repeat(128)).is_ok());
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}
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#[test]
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fn email_rejects_no_at() {
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assert!(Email::new("notanemail").is_err());
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}
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}
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