feat(server/forgejo): load repo config

src/main.rs

@@ -2,7 +2,7 @@ mod init;
 mod server;
 
 use clap::Parser;
-use kxio::filesystem;
+use kxio::{filesystem, network::Network};
 
 #[derive(Parser, Debug)]
 #[clap(version = clap::crate_version!(), author = clap::crate_authors!(), about = clap::crate_description!())]
@@ -23,6 +23,7 @@ enum Server {
 }
 fn main() {
     let fs = filesystem::FileSystem::new_real(None);
+    let net = Network::new_real();
     let commands = Commands::parse();
 
     match commands.command {
@@ -34,7 +35,7 @@ fn main() {
                 server::init(fs);
             }
             Server::Start => {
-                server::start(fs);
+                server::start(fs, net);
             }
         },
     }

src/server/actors/repo.rs

@@ -1,25 +0,0 @@
-use actix::prelude::*;
-use tracing::info;
-
-use crate::server::config::RepoDetails;
-
-pub struct RepoActor {
-    details: RepoDetails,
-}
-impl RepoActor {
-    pub(crate) const fn new(details: RepoDetails) -> Self {
-        Self { details }
-    }
-}
-impl Actor for RepoActor {
-    type Context = Context<Self>;
-}
-#[derive(Message)]
-#[rtype(result = "()")]
-pub struct StartRepo;
-impl Handler<StartRepo> for RepoActor {
-    type Result = ();
-    fn handle(&mut self, _msg: StartRepo, _ctx: &mut Self::Context) -> Self::Result {
-        info!(%self.details, "Starting Repo");
-    }
-}

src/server/actors/repo/config.rs

@@ -0,0 +1,22 @@
+use actix::prelude::*;
+use kxio::network::Network;
+use tracing::error;
+
+use crate::server::{
+    config::{ForgeType, RepoDetails},
+    forge,
+};
+
+use super::{LoadedConfig, RepoActor};
+
+pub async fn load(details: RepoDetails, addr: Addr<RepoActor>, net: Network) {
+    let config = match details.forge.forge_type {
+        ForgeType::ForgeJo => forge::forgejo::config::load(details, &net).await,
+    };
+    match config {
+        Ok(config) => addr.do_send(LoadedConfig(config)),
+        Err(err) => {
+            error!(?err, "Failed to load config");
+        }
+    }
+}

src/server/actors/repo/mod.rs

@@ -0,0 +1,51 @@
+mod config;
+
+use actix::prelude::*;
+use kxio::network::Network;
+use tracing::info;
+
+use crate::server::config::{RepoConfig, RepoDetails};
+
+pub struct RepoActor {
+    details: RepoDetails,
+    config: Option<RepoConfig>, // INFO: if [None] then send [StartRepo] to populate it
+    net: Network,
+}
+impl RepoActor {
+    pub(crate) const fn new(details: RepoDetails, net: Network) -> Self {
+        Self {
+            details,
+            config: None,
+            net,
+        }
+    }
+}
+impl Actor for RepoActor {
+    type Context = Context<Self>;
+}
+
+#[derive(Message)]
+#[rtype(result = "()")]
+pub struct StartRepo;
+impl Handler<StartRepo> for RepoActor {
+    type Result = ();
+    fn handle(&mut self, _msg: StartRepo, ctx: &mut Self::Context) -> Self::Result {
+        info!(%self.details, "Starting Repo");
+        let details = self.details.clone();
+        let addr = ctx.address();
+        let net = self.net.clone();
+        config::load(details, addr, net).into_actor(self).wait(ctx);
+    }
+}
+
+#[derive(Message)]
+#[rtype(result = "()")]
+struct LoadedConfig(pub RepoConfig);
+impl Handler<LoadedConfig> for RepoActor {
+    type Result = ();
+    fn handle(&mut self, msg: LoadedConfig, _ctx: &mut Self::Context) -> Self::Result {
+        let config = msg.0;
+        info!(%self.details, %config, "Config loaded");
+        self.config.replace(config);
+    }
+}

src/server/config.rs

@@ -35,12 +35,22 @@ impl RepoConfig {
         toml::from_str(toml).map_err(OneOf::new)
     }
 }
+impl Display for RepoConfig {
+    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{:?}", self.branches)
+    }
+}
 #[derive(Debug, PartialEq, Eq, Deserialize)]
 pub struct RepoBranches {
     main: String,
     next: String,
     dev: String,
 }
+impl Display for RepoBranches {
+    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{:?}", self)
+    }
+}
 
 #[derive(Clone, Debug, PartialEq, Eq, Deserialize)]
 pub struct Forge {

src/server/forge/forgejo/config.rs

@@ -0,0 +1,112 @@
+use base64::Engine;
+use kxio::network::{self, Network};
+use terrors::OneOf;
+use tracing::{error, info};
+
+use crate::server::config::{RepoConfig, RepoDetails};
+
+pub async fn load(
+    details: RepoDetails,
+    net: &Network,
+) -> Result<
+    RepoConfig,
+    OneOf<(
+        RepoConfigFileNotFound,
+        RepoConfigIsNotFile,
+        RepoConfigDecodeError,
+        RepoConfigParseError,
+        RepoConfigUnknownError,
+    )>,
+> {
+    let hostname = details.forge.hostname;
+    let path = details.repo;
+    let filepath = ".git-next.toml";
+    let branch = details.branch;
+    let token = details.forge.token;
+    let url = network::NetUrl::new(format!(
+        "https://{hostname}/api/v1/repos/{path}/contents/{filepath}?ref={branch}&token={token}"
+    ));
+
+    info!(%url, "Loading config");
+    let request = network::NetRequest::new(
+        network::RequestMethod::Get,
+        url,
+        network::NetRequestHeaders::new(),
+        network::RequestBody::None,
+        network::ResponseType::Json,
+        None,
+        network::NetRequestLogging::Both,
+    );
+    let result = net.get::<ForgeContentsResponse>(request).await;
+    let response = result.map_err(|e| match e {
+        network::NetworkError::RequestFailed(_, status_code, _)
+        | network::NetworkError::RequestError(_, status_code, _) => match status_code {
+            network::StatusCode::NOT_FOUND => OneOf::new(RepoConfigFileNotFound),
+            _ => OneOf::new(RepoConfigUnknownError(status_code)),
+        },
+        _ => OneOf::new(RepoConfigUnknownError(
+            network::StatusCode::INTERNAL_SERVER_ERROR,
+        )),
+    })?;
+    let status = response.status_code();
+    match response.response_body() {
+        Some(body) => {
+            // we need to decode (see encoding field) the value of 'content' from the response
+            match body.content_type {
+                ForgeContentsType::File => decode_config(body).map_err(OneOf::broaden),
+                _ => Err(OneOf::new(RepoConfigIsNotFile)),
+            }
+        }
+        None => {
+            error!(%status, "Failed to fetch repo config file");
+            Err(OneOf::new(RepoConfigUnknownError(status)))
+        }
+    }
+}
+
+fn decode_config(
+    body: ForgeContentsResponse,
+) -> Result<RepoConfig, OneOf<(RepoConfigDecodeError, RepoConfigParseError)>> {
+    match body.encoding.as_str() {
+        "base64" => {
+            let decoded = base64::engine::general_purpose::STANDARD
+                .decode(body.content)
+                .map_err(|_| OneOf::new(RepoConfigDecodeError))?;
+            let decoded =
+                String::from_utf8(decoded).map_err(|_| OneOf::new(RepoConfigDecodeError))?;
+            let config = toml::from_str(&decoded).map_err(|_| OneOf::new(RepoConfigParseError))?;
+            Ok(config)
+        }
+        _ => Err(OneOf::new(RepoConfigDecodeError)),
+    }
+}
+
+#[derive(Debug)]
+pub struct RepoConfigFileNotFound;
+#[derive(Debug)]
+pub struct RepoConfigIsNotFile;
+#[derive(Debug)]
+pub struct RepoConfigDecodeError;
+#[derive(Debug)]
+pub struct RepoConfigParseError;
+#[derive(Debug)]
+pub struct RepoConfigUnknownError(pub network::StatusCode);
+
+#[derive(Clone, Debug, serde::Deserialize)]
+struct ForgeContentsResponse {
+    #[serde(rename = "type")]
+    pub content_type: ForgeContentsType,
+    pub content: String,
+    pub encoding: String,
+}
+#[derive(Clone, Debug, serde::Deserialize)]
+enum ForgeContentsType {
+    #[serde(rename = "file")]
+    File,
+    #[serde(rename = "dir")]
+    Dir,
+    #[serde(rename = "symlink")]
+    Symlink,
+    #[serde(rename = "submodule")]
+    Submodule,
+}

src/server/forge/forgejo/mod.rs

@@ -0,0 +1 @@
+pub mod config;

src/server/forge/mod.rs

@@ -0,0 +1 @@
+pub mod forgejo;

src/server/mod.rs

@@ -1,7 +1,9 @@
 mod actors;
 mod config;
+pub mod forge;
 
 use actix::prelude::*;
+use kxio::network::Network;
 
 use std::path::PathBuf;
 
@@ -32,7 +34,7 @@ pub fn init(fs: FileSystem) {
     }
 }
 
-pub fn start(fs: FileSystem) {
+pub fn start(fs: FileSystem, net: Network) {
     let Ok(_) = init_logging() else {
         eprintln!("Failed to initialize logging.");
         return;
@@ -49,7 +51,7 @@ pub fn start(fs: FileSystem) {
     info!("Config loaded");
     let actors = config
         .forges()
-        .flat_map(|(forge_name, forge)| create_forge_repos(forge, forge_name))
+        .flat_map(|(forge_name, forge)| create_forge_repos(forge, forge_name, &net))
         .collect::<Vec<_>>();
 
     actix::System::new().block_on(async {
@@ -63,6 +65,7 @@ pub fn start(fs: FileSystem) {
 fn create_forge_repos(
     forge: &Forge,
     forge_name: ForgeName,
+    net: &Network,
 ) -> Vec<(ForgeName, RepoName, RepoActor)> {
     let forge = forge.clone();
     let span = tracing::info_span!("Forge", %forge_name, %forge);
@@ -70,24 +73,24 @@ fn create_forge_repos(
     info!("Creating Forge");
     forge
         .repos()
-        .map(create_actor(forge_name, forge.clone()))
+        .map(create_actor(forge_name, forge.clone(), net))
         .collect::<Vec<_>>()
 }
 
 fn create_actor(
     forge_name: ForgeName,
     forge: config::Forge,
+    net: &Network,
 ) -> impl Fn((RepoName, &Repo)) -> (ForgeName, RepoName, RepoActor) {
+    let net = net.clone();
     move |(repo_name, repo)| {
         let span = tracing::info_span!("Repo", %repo_name, %repo);
         let _guard = span.enter();
         info!("Creating Repo");
-        let actor = actors::repo::RepoActor::new(config::RepoDetails::new(
-            &repo_name,
-            repo,
-            &forge_name,
-            &forge,
-        ));
+        let actor = actors::repo::RepoActor::new(
+            config::RepoDetails::new(&repo_name, repo, &forge_name, &forge),
+            net.clone(),
+        );
         info!("Created Repo");
         (forge_name.clone(), repo_name, actor)
     }