feat(channel): impl fetcher constructor and use owned values

src/manifest/channel.rs

@@ -1,4 +1,5 @@
-use langtag::LangTag;
+use color_eyre::eyre;
+use langtag::LangTagBuf;
 use serde::Deserialize;
 use serde_with::serde_as;
 use url::Url;
@@ -7,13 +8,26 @@ use crate::{ManifestInfo, app::arch::Arch};
 
 use super::{ChannelItemType, Payload};
 
+pub const CHANNEL_ENDPOINT_URL: &str = "https://aka.ms/vs/17/release/channel";
+pub const PREVIEW_CHANNEL_ENDPOINT_URL: &str = "https://aka.ms/vs/17/pre/channel";
+
 #[derive(Debug, Clone, Deserialize)]
 #[serde(rename_all = "camelCase")]
-pub struct Manifest<'manifest> {
+pub struct Manifest {
     pub manifest_version: String,
     pub info: ChannelManifestInfo,
-    #[serde(borrow)]
+    pub channel_items: Vec<ChannelItem>,
-    pub channel_items: Vec<ChannelItem<'manifest>>,
+}
+
+impl Manifest {
+    pub fn from_endpoint(endpoint: Url) -> eyre::Result<Self> {
+        if !endpoint.domain().is_some_and(|domain| domain == "aka.ms") {
+            tracing::warn!("Endpoint is not a Microsoft shortened link");
+        }
+
+        let mut resp = ureq::get(endpoint.as_str()).call()?;
+        Ok(resp.body_mut().read_json::<Self>()?)
+    }
 }
 
 ManifestInfo! {
@@ -29,13 +43,12 @@ ManifestInfo! {
 #[derive(Debug, Clone, Deserialize)]
 #[serde(rename_all = "camelCase")]
 #[serde_as]
-pub struct ChannelItem<'lang> {
+pub struct ChannelItem {
     pub id: String,
     pub version: String,
     pub r#type: ChannelItemType,
     pub payloads: Option<Vec<Payload>>,
-    #[serde(borrow)]
+    pub localized_resoures: Option<Vec<LocalizedResource>>,
-    pub localized_resoures: Option<Vec<LocalizedResource<'lang>>>,
     #[serde_as(as = "FromStr")]
     pub chip: Arch,
     #[serde_as(as = "FromStr")]
@@ -47,9 +60,8 @@ pub struct ChannelItem<'lang> {
 
 #[derive(Debug, Clone, Deserialize)]
 #[serde(rename_all = "camelCase")]
-pub struct LocalizedResource<'lang> {
+pub struct LocalizedResource {
-    #[serde(borrow)]
+    pub language: LangTagBuf,
-    pub language: &'lang LangTag,
     pub title: String,
     pub description: String,
     pub license: Url,

src/manifest/mod.rs

@@ -57,4 +57,4 @@ pub struct Payload {
     pub size: usize,
     pub url: Url,
     pub signer: Option<Vec<SignerRef>>,
-}
+}