run: show the exercise's lessons at the end

Signed-off-by: Miquel Sabaté Solà <mssola@mssola.com>

2 files changed, 7 insertions, 2 deletions

diff --git a/crates/cli/src/run.rs b/crates/cli/src/run.rs
index 5f06870..0262515 100644
--- a/crates/cli/src/run.rs
+++ b/crates/cli/src/run.rs
@@ -535,7 +535,12 @@ fn run_exercises(exercises: Vec<Exercise>) -> bool {
         // (i.e. refresh the 'updated_at' date). This way, next time we select
         // exercises to show the user, we can prevent this one showing up first.
         if accepted_diff(&solution, &exercise.solution) {
-            let _ = touch_exercise(exercise);
+            let _ = touch_exercise(&exercise);
+        }
+
+        let lessons = exercise.lessons.trim();
+        if !lessons.is_empty() {
+            println!("The lessons for this exercise were:\n{}", lessons);
         }
     }
 
diff --git a/lib/mihi/src/exercise.rs b/lib/mihi/src/exercise.rs
index 5f45079..7249919 100644
--- a/lib/mihi/src/exercise.rs
+++ b/lib/mihi/src/exercise.rs
@@ -152,7 +152,7 @@ pub fn update_exercise(exercise: Exercise) -> Result<(), String> {
 }
 
 /// Updates the 'updated_at' column for an exercise.
-pub fn touch_exercise(exercise: Exercise) -> Result<(), String> {
+pub fn touch_exercise(exercise: &Exercise) -> Result<(), String> {
     if exercise.id == 0 {
         return Err("invalid exercise to update; seems it has not been created before".to_string());
     }