feat(src/msg.rs): add helpers to get repo, commit from Request

This relieves uses for a Request from having to unpack it with pattern
matching. The helpers are much more convenient, when they are sufficient.

Signed-off-by: Lars Wirzenius <liw@liw.fi>

1 files changed, 31 insertions, 0 deletions

diff --git a/src/msg.rs b/src/msg.rs
index e11a5ac..94c523d 100644
--- a/src/msg.rs
+++ b/src/msg.rs
@@ -111,6 +111,37 @@ pub enum Request {
 }
 
 impl Request {
+    /// Repository that the event concerns.
+    pub fn repo(&self) -> RepoId {
+        match self {
+            Self::Trigger {
+                common,
+                push: _,
+                patch: _,
+            } => common.repository.id,
+        }
+    }
+
+    /// Return the commit the event concerns. In other words, the
+    /// commit that CI should run against.
+    pub fn commit(&self) -> Oid {
+        match self {
+            Self::Trigger {
+                common: _,
+                push,
+                patch,
+            } => {
+                if let Some(push) = push {
+                    *push.commits.last().unwrap()
+                } else if let Some(patch) = patch {
+                    *patch.patch.commits.last().unwrap()
+                } else {
+                    panic!("neither push not panic: {self:#?}");
+                }
+            }
+        }
+    }
+
     /// Create a request event to trigger a run.
     pub fn trigger(profile: &Profile, event: &BrokerEvent) -> Result<Self, MessageError> {
         let BrokerEvent::RefChanged {