1 files changed, 25 insertions, 1 deletions
diff --git a/src/main.rs b/src/main.rs
index 59a7a0d..06431e8 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -54,7 +54,31 @@ fn command_generate(week: &str) {
 }
 
 fn command_validate() {
-    // TODO
+    let today = Local::now().date().naive_local();
+    let paths = relevant_files_starting(&today);
+    let mut tasks: Vec<Task> = vec![];
+    for path in paths {
+        for task in tasks_from_path(&path) {
+            if task.date >= today && task.start_time.is_some() && task.end_time.is_some() {
+                tasks.push(task);
+            }
+        }
+    }
+    tasks.sort_by(cmp_tasks);
+    let n_tasks = tasks.len();
+    for i in 0..n_tasks {
+        let task_a = &tasks[i];
+        for j in (i + 1)..n_tasks {
+            let task_b = &tasks[j];
+            if tasks_overlap(task_a, task_b) {
+                println!("Overlap found: '{}' overlaps with '{}'",
+                         task_a.raw.replace("\n", "").trim(),
+                         task_b.raw.replace("\n", "").trim());
+            } else {
+                break;
+            }
+        }
+    }
 }
 
 // https://doc.rust-lang.org/std/fs/struct.File.html