331 lines
8.0 KiB
Rust
331 lines
8.0 KiB
Rust
use std::fmt::{self, Display};
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use std::str::FromStr;
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use localtime::LocalTime;
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use serde::{Deserialize, Serialize};
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use crate::git_ext::Oid;
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use crate::prelude::*;
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/// Timestamp used for COB operations.
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pub type Timestamp = LocalTime;
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/// Author.
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#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
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pub struct Author {
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pub id: Did,
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}
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impl Author {
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pub fn new(id: impl Into<Did>) -> Self {
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Self { id: id.into() }
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}
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pub fn id(&self) -> &Did {
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&self.id
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}
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pub fn public_key(&self) -> &PublicKey {
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self.id.as_key()
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}
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}
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impl From<PublicKey> for Author {
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fn from(value: PublicKey) -> Self {
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Self::new(value)
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}
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}
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#[derive(thiserror::Error, Debug)]
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pub enum ReactionError {
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#[error("invalid reaction")]
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InvalidReaction,
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}
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#[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Copy, Clone, Serialize)]
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#[serde(transparent)]
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pub struct Reaction {
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emoji: char,
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}
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impl Reaction {
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/// Create a new reaction from an emoji.
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pub fn new(emoji: char) -> Result<Self, ReactionError> {
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let val = emoji as u32;
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let emoticons = 0x1F600..=0x1F64F;
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let misc = 0x1F300..=0x1F5FF; // Miscellaneous Symbols and Pictographs
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let dingbats = 0x2700..=0x27BF;
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let supp = 0x1F900..=0x1F9FF; // Supplemental Symbols and Pictographs
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let transport = 0x1F680..=0x1F6FF;
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if emoticons.contains(&val)
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|| misc.contains(&val)
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|| dingbats.contains(&val)
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|| supp.contains(&val)
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|| transport.contains(&val)
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{
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Ok(Self { emoji })
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} else {
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Err(ReactionError::InvalidReaction)
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}
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}
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/// Get the reaction emoji.
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pub fn emoji(&self) -> char {
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self.emoji
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}
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}
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impl<'de> Deserialize<'de> for Reaction {
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fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
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where
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D: serde::Deserializer<'de>,
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{
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struct ReactionVisitor;
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impl<'de> serde::de::Visitor<'de> for ReactionVisitor {
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type Value = Reaction;
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fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
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formatter.write_str("a reaction emoji")
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}
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fn visit_char<E>(self, v: char) -> Result<Self::Value, E>
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where
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E: serde::de::Error,
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{
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Reaction::new(v).map_err(|e| E::custom(e.to_string()))
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}
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fn visit_str<E>(self, v: &str) -> Result<Self::Value, E>
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where
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E: serde::de::Error,
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{
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Reaction::from_str(v).map_err(|e| E::custom(e.to_string()))
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}
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fn visit_string<E>(self, v: String) -> Result<Self::Value, E>
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where
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E: serde::de::Error,
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{
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Reaction::from_str(&v).map_err(|e| E::custom(e.to_string()))
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}
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}
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deserializer.deserialize_char(ReactionVisitor)
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}
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}
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impl FromStr for Reaction {
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type Err = ReactionError;
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fn from_str(s: &str) -> Result<Self, Self::Err> {
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let mut chars = s.chars();
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let first = chars.next().ok_or(ReactionError::InvalidReaction)?;
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// Reactions should not consist of more than a single emoji.
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if chars.next().is_some() {
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return Err(ReactionError::InvalidReaction);
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}
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Reaction::new(first)
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}
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}
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#[derive(thiserror::Error, Debug)]
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pub enum LabelError {
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#[error("invalid tag name: `{0}`")]
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InvalidName(String),
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}
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#[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Clone, Serialize, Deserialize)]
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#[serde(transparent)]
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pub struct Label(String);
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impl Label {
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pub fn new(name: impl ToString) -> Result<Self, LabelError> {
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let name = name.to_string();
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if name.chars().any(|c| c.is_whitespace()) || name.is_empty() {
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return Err(LabelError::InvalidName(name));
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}
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Ok(Self(name))
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}
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pub fn name(&self) -> &str {
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self.0.as_str()
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}
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}
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impl FromStr for Label {
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type Err = LabelError;
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fn from_str(s: &str) -> Result<Self, Self::Err> {
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Self::new(s)
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}
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}
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impl Display for Label {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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write!(f, "{}", self.0)
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}
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}
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impl From<Label> for String {
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fn from(Label(name): Label) -> Self {
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name
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}
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}
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/// RGB color.
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#[derive(Debug, PartialEq, Eq, Hash, Clone)]
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pub struct Color(u32);
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#[derive(thiserror::Error, Debug)]
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pub enum ColorConversionError {
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#[error("invalid format: expect '#rrggbb'")]
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InvalidFormat,
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#[error(transparent)]
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ParseInt(#[from] std::num::ParseIntError),
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}
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impl fmt::Display for Color {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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write!(f, "#{:06x}", self.0)
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}
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}
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impl FromStr for Color {
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type Err = ColorConversionError;
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fn from_str(s: &str) -> Result<Self, Self::Err> {
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let hex = s.replace('#', "").to_lowercase();
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if hex.chars().count() != 6 {
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return Err(ColorConversionError::InvalidFormat);
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}
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match u32::from_str_radix(&hex, 16) {
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Ok(n) => Ok(Color(n)),
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Err(e) => Err(e.into()),
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}
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}
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}
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impl Serialize for Color {
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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
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where
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S: serde::ser::Serializer,
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{
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let s = self.to_string();
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serializer.serialize_str(&s)
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}
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}
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impl<'a> Deserialize<'a> for Color {
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fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
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where
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D: serde::de::Deserializer<'a>,
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{
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let color = String::deserialize(deserializer)?;
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Self::from_str(&color).map_err(serde::de::Error::custom)
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}
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}
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/// A URI.
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#[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Clone, Serialize, Deserialize)]
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#[serde(transparent)]
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pub struct Uri(String);
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impl Uri {
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/// Get a string reference to the URI.
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pub fn as_str(&self) -> &str {
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self.0.as_str()
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}
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}
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impl From<Oid> for Uri {
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fn from(oid: Oid) -> Self {
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Uri(format!("git:{oid}"))
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}
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}
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impl TryFrom<&Uri> for Oid {
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type Error = Uri;
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fn try_from(value: &Uri) -> Result<Self, Self::Error> {
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if let Some(oid) = value.as_str().strip_prefix("git:") {
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let oid = oid.parse().map_err(|_| value.clone())?;
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return Ok(oid);
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}
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Err(value.clone())
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}
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}
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impl std::fmt::Display for Uri {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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write!(f, "{}", self.0)
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}
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}
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impl std::str::FromStr for Uri {
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type Err = String;
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fn from_str(s: &str) -> Result<Self, Self::Err> {
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if !s.chars().all(|c| c.is_ascii()) {
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return Err(s.to_owned());
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}
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if !s.contains(':') {
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return Err(s.to_owned());
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}
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Ok(Self(s.to_owned()))
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}
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}
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/// The result of an authorization check on an COB action.
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#[derive(Debug, Clone, Copy, PartialEq, Eq)]
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pub enum Authorization {
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/// Action is allowed.
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Allow,
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/// Action is denied.
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Deny,
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/// Authorization cannot be determined due to missing object, eg. due to redaction.
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Unknown,
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}
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impl From<bool> for Authorization {
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fn from(value: bool) -> Self {
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if value {
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Self::Allow
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} else {
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Self::Deny
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}
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}
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}
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#[cfg(test)]
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#[allow(clippy::unwrap_used)]
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mod test {
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use super::*;
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#[test]
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fn test_color() {
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let c = Color::from_str("#ffccaa").unwrap();
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assert_eq!(c.to_string(), "#ffccaa".to_owned());
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assert_eq!(serde_json::to_string(&c).unwrap(), "\"#ffccaa\"".to_owned());
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assert_eq!(serde_json::from_str::<'_, Color>("\"#ffccaa\"").unwrap(), c);
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let c = Color::from_str("#0000aa").unwrap();
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assert_eq!(c.to_string(), "#0000aa".to_owned());
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let c = Color::from_str("#aa0000").unwrap();
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assert_eq!(c.to_string(), "#aa0000".to_owned());
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let c = Color::from_str("#00aa00").unwrap();
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assert_eq!(c.to_string(), "#00aa00".to_owned());
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Color::from_str("#aa00").unwrap_err();
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Color::from_str("#abc").unwrap_err();
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}
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}
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