clean command

README.md

@@ -44,4 +44,3 @@ Run `--help` alongside any command to get details on what it does.
 - Due dates
     - Taken as input when creating notes
     - Displayed in list view by default (with number of days remaining)
-- `clean` command to delete discarded tasks

src/main.rs

@@ -48,6 +48,8 @@ enum Command {
     Delete {
         id_or_name : String,
     },
+    /// Deletes all discarded tasks.
+    Clean,
     /// Discard a task without deleting the underlying file.
     Discard {
         id_or_name : String,
@@ -242,6 +244,10 @@ fn program() -> Result<(), error::Error> {
             List {} => {
                 tasks::list(vault_folder)?;
             },
+            Clean => {
+                tasks::clean(vault_folder)?;
+                println!("Deleted all discarded tasks");
+            }
             // All commands which are dealt with in if let chain at start.
             Vault(_) | Config(_) | Git { args : _ } | Switch { name : _ } | GitIgnore => unreachable!(),
         }

src/tasks.rs

@@ -296,4 +296,17 @@ pub fn list(vault_folder : &path::Path) -> Result<(), error::Error> {
     Ok(())
 }
 
+pub fn clean(vault_folder : &path::Path) -> Result<(), error::Error> {
+
+    let tasks = Task::load_all(vault_folder, false)?;
+
+    for task in tasks {
+        if task.data.discarded {
+            task.delete()?;
+        }
+    }
+
+    Ok(())
+}
+