feat(config)!: Add webhook URL field to server config

server-default.toml

@@ -1,3 +1,6 @@
+[webhook]
+url = "https://localhost:8080/webhook"
+
 [forge.default]
 forge_type = "ForgeJo"
 hostname = "git.example.net"

src/server/config.rs

@@ -12,6 +12,7 @@ use crate::filesystem::FileSystem;
 /// Mapped from the `git-next-server.toml` file
 #[derive(Debug, PartialEq, Eq, Deserialize)]
 pub struct ServerConfig {
+    webhook: Webhook,
     forge: HashMap<String, Forge>,
 }
 impl ServerConfig {
@@ -27,6 +28,26 @@ impl ServerConfig {
     }
 }
 
+/// Defines the Webhook Forges should send updates to
+#[derive(Debug, PartialEq, Eq, Deserialize)]
+pub struct Webhook {
+    url: String,
+}
+impl Webhook {
+    #[allow(dead_code)] // TODO: (#15) register webhook
+    pub fn url(&self) -> WebhookUrl {
+        WebhookUrl(self.url.clone())
+    }
+}
+
+/// The URL for the webhook where forges should send their updates
+pub struct WebhookUrl(String);
+impl AsRef<str> for WebhookUrl {
+    fn as_ref(&self) -> &str {
+        &self.0
+    }
+}
+
 /// Mapped from `.git-next.toml` file in target repo
 /// Is also derived from the optional parameters in `git-next-server.toml` at
 /// `forge.{forge}.repos.{repo}.(main|next|dev)`
@@ -336,6 +357,9 @@ mod tests {
         fs.write_file(
             "git-next-server.toml",
             r#"
+            [webhook]
+            url = "http://localhost:9909/webhook"
+
             [forge.default]
             forge_type = "ForgeJo"
             hostname = "git.example.net"
@@ -357,6 +381,9 @@ mod tests {
         .map_err(OneOf::new)?;
         let config = ServerConfig::load(&fs)?;
         let expected = ServerConfig {
+            webhook: Webhook {
+                url: "http://localhost:9909/webhook".to_string(),
+            },
             forge: HashMap::from([(
                 "default".to_string(),
                 Forge {