1 files changed, 95 insertions, 0 deletions
diff --git a/src/metadata/mirrors.rs b/src/metadata/mirrors.rs
new file mode 100644
index 0000000..9124dd3
--- /dev/null
+++ b/src/metadata/mirrors.rs
@@ -0,0 +1,95 @@
+// Copyright © 2022 Kim Altintop <kim@eagain.io>
+// SPDX-License-Identifier: GPL-2.0-only WITH openvpn-openssl-exception
+
+use std::{
+    borrow::Cow,
+    collections::BTreeSet,
+};
+
+use url::Url;
+
+use super::{
+    Custom,
+    DateTime,
+    Metadata,
+    SpecVersion,
+};
+use crate::{
+    json::canonical,
+    str::Varchar,
+};
+
+#[derive(Clone, serde::Serialize, serde::Deserialize)]
+pub struct Mirror {
+    pub url: Url,
+    #[serde(default)]
+    pub kind: Kind,
+    #[serde(default)]
+    pub custom: Custom,
+}
+
+#[derive(Clone, Default, serde::Serialize, serde::Deserialize)]
+#[serde(rename_all = "lowercase")]
+pub enum Kind {
+    /// Can fetch bundles
+    Bundled,
+    /// Can fetch packs via git-protocol
+    #[default]
+    Packed,
+    /// Not serving bundles at all
+    Sparse,
+    /// Unknown kind
+    Unknown(Varchar<String, 16>),
+}
+
+#[derive(Clone, Default, serde::Serialize, serde::Deserialize)]
+pub struct Mirrors {
+    pub spec_version: SpecVersion,
+    pub mirrors: Vec<Mirror>,
+    pub expires: Option<DateTime>,
+}
+
+impl Mirrors {
+    pub fn canonicalise(&self) -> Result<Vec<u8>, canonical::error::Canonicalise> {
+        canonical::to_vec(Metadata::mirrors(self))
+    }
+}
+
+impl From<Mirrors> for Cow<'static, Mirrors> {
+    fn from(m: Mirrors) -> Self {
+        Self::Owned(m)
+    }
+}
+
+impl<'a> From<&'a Mirrors> for Cow<'a, Mirrors> {
+    fn from(m: &'a Mirrors) -> Self {
+        Self::Borrowed(m)
+    }
+}
+
+#[derive(Clone, Default, serde::Serialize, serde::Deserialize)]
+pub struct Alternates {
+    pub spec_version: SpecVersion,
+    pub alternates: BTreeSet<Url>,
+    #[serde(default)]
+    pub custom: Custom,
+    pub expires: Option<DateTime>,
+}
+
+impl Alternates {
+    pub fn canonicalise(&self) -> Result<Vec<u8>, canonical::error::Canonicalise> {
+        canonical::to_vec(Metadata::alternates(self))
+    }
+}
+
+impl From<Alternates> for Cow<'static, Alternates> {
+    fn from(a: Alternates) -> Self {
+        Self::Owned(a)
+    }
+}
+
+impl<'a> From<&'a Alternates> for Cow<'a, Alternates> {
+    fn from(a: &'a Alternates) -> Self {
+        Self::Borrowed(a)
+    }
+}