Reorder code

To improve readibility and to prepeare split of `webhookey` code from
`Rocket` some functions are reordered.

src/main.rs

@@ -305,39 +305,6 @@ impl Hooks {
     }
 }
 
-#[rocket::async_trait]
-impl<'r> FromData<'r> for Hooks {
-    type Error = WebhookeyError;
-
-    async fn from_data(
-        request: &'r Request<'_>,
-        data: Data<'r>,
-    ) -> Outcome<Self, (Status, Self::Error), Data<'r>> {
-        match Hooks::get_commands(request, data).await {
-            Ok(hooks) => {
-                if hooks.inner.is_empty() {
-                    let client_ip = &request
-                        .client_ip()
-                        .unwrap_or(IpAddr::V4(Ipv4Addr::UNSPECIFIED));
-
-                    warn!("Unmatched hook from {}", &client_ip);
-                    return Failure((Status::NotFound, WebhookeyError::UnmatchedHook(*client_ip)));
-                }
-
-                Success(hooks)
-            }
-            Err(WebhookeyError::Unauthorized(e)) => {
-                error!("{}", WebhookeyError::Unauthorized(e));
-                Failure((Status::Unauthorized, WebhookeyError::Unauthorized(e)))
-            }
-            Err(e) => {
-                error!("{}", e);
-                Failure((Status::BadRequest, e))
-            }
-        }
-    }
-}
-
 fn accept_ip(hook_name: &str, client_ip: &IpAddr, ip: &IpFilter) -> bool {
     if ip.validate(client_ip) {
         info!("Allow hook `{}` from {}", &hook_name, &client_ip);
@@ -376,6 +343,18 @@ fn get_value_from_pointer<'a>(data: &'a serde_json::Value, pointer: &'a str) ->
         .ok_or_else(|| anyhow!("Could not convert value `{}` to string", value))
 }
 
+fn get_string(value: &serde_json::Value) -> Result<String, WebhookeyError> {
+    match &value {
+        serde_json::Value::Bool(bool) => Ok(bool.to_string()),
+        serde_json::Value::Number(number) => Ok(number.to_string()),
+        serde_json::Value::String(string) => Ok(string.as_str().to_string()),
+        x => {
+            error!("Could not get string from: {:?}", x);
+            unimplemented!()
+        }
+    }
+}
+
 fn replace_parameters(
     input: &str,
     headers: &HeaderMap,
@@ -405,40 +384,6 @@ fn replace_parameters(
     Ok(result.join(""))
 }
 
-fn get_string(value: &serde_json::Value) -> Result<String, WebhookeyError> {
-    match &value {
-        serde_json::Value::Bool(bool) => Ok(bool.to_string()),
-        serde_json::Value::Number(number) => Ok(number.to_string()),
-        serde_json::Value::String(string) => Ok(string.as_str().to_string()),
-        x => {
-            error!("Could not get string from: {:?}", x);
-            unimplemented!()
-        }
-    }
-}
-
-#[post("/", format = "json", data = "<hooks>")]
-async fn receive_hook<'a>(address: SocketAddr, hooks: Hooks) -> Status {
-    info!("Post request received from: {}", address);
-
-    hooks.inner.iter().for_each(|(name, command)| {
-        info!("Execute `{}` from hook `{}`", &command, &name);
-
-        match run_script::run(command, &vec![], &ScriptOptions::new()) {
-            Ok((status, stdout, stderr)) => {
-                info!("Command `{}` exited with return code: {}", &command, status);
-                trace!("Output of command `{}` on stdout: {:?}", &command, &stdout);
-                debug!("Output of command `{}` on stderr: {:?}", &command, &stderr);
-            }
-            Err(e) => {
-                error!("Execution of `{}` failed: {}", &command, e);
-            }
-        }
-    });
-
-    Status::Ok
-}
-
 fn get_config() -> Result<File> {
     // Look for config in CWD..
     if let Ok(config) = File::open("config.yml") {
@@ -472,6 +417,61 @@ fn get_config() -> Result<File> {
     bail!("No configuration file found.");
 }
 
+#[rocket::async_trait]
+impl<'r> FromData<'r> for Hooks {
+    type Error = WebhookeyError;
+
+    async fn from_data(
+        request: &'r Request<'_>,
+        data: Data<'r>,
+    ) -> Outcome<Self, (Status, Self::Error), Data<'r>> {
+        match Hooks::get_commands(request, data).await {
+            Ok(hooks) => {
+                if hooks.inner.is_empty() {
+                    let client_ip = &request
+                        .client_ip()
+                        .unwrap_or(IpAddr::V4(Ipv4Addr::UNSPECIFIED));
+
+                    warn!("Unmatched hook from {}", &client_ip);
+                    return Failure((Status::NotFound, WebhookeyError::UnmatchedHook(*client_ip)));
+                }
+
+                Success(hooks)
+            }
+            Err(WebhookeyError::Unauthorized(e)) => {
+                error!("{}", WebhookeyError::Unauthorized(e));
+                Failure((Status::Unauthorized, WebhookeyError::Unauthorized(e)))
+            }
+            Err(e) => {
+                error!("{}", e);
+                Failure((Status::BadRequest, e))
+            }
+        }
+    }
+}
+
+#[post("/", format = "json", data = "<hooks>")]
+async fn receive_hook<'a>(address: SocketAddr, hooks: Hooks) -> Status {
+    info!("Post request received from: {}", address);
+
+    hooks.inner.iter().for_each(|(name, command)| {
+        info!("Execute `{}` from hook `{}`", &command, &name);
+
+        match run_script::run(command, &vec![], &ScriptOptions::new()) {
+            Ok((status, stdout, stderr)) => {
+                info!("Command `{}` exited with return code: {}", &command, status);
+                trace!("Output of command `{}` on stdout: {:?}", &command, &stdout);
+                debug!("Output of command `{}` on stderr: {:?}", &command, &stderr);
+            }
+            Err(e) => {
+                error!("Execution of `{}` failed: {}", &command, e);
+            }
+        }
+    });
+
+    Status::Ok
+}
+
 #[rocket::main]
 async fn main() -> Result<()> {
     env_logger::init();