main(): Extract 500 errors to a function

Clean up the `main()` function by extracting all these similar lines to
a function.

1 files changed, 12 insertions, 0 deletions

diff --git a/license-generator/src/response.rs b/license-generator/src/response.rs
index 701bf1a..aec2d22 100644
--- a/license-generator/src/response.rs
+++ b/license-generator/src/response.rs
@@ -19,3 +19,15 @@ Allow: {}",
 pub fn set_500<W: Write>(w: &mut W) -> Result<()> {
     Ok(writeln!(w, "Status: 500")?)
 }
+
+pub fn error_500<W: Write>(w: &mut W, error: Option<Error>) {
+    if let Some(error) = error {
+        error!("{}", error);
+    }
+
+    set_500(w).unwrap_or(());
+    write!(w, "Content-Type: text/plain
+
+500 Internal Server Error")
+        .unwrap_or(());
+}