show memos with expiration date first

src/storage.rs

@@ -53,10 +53,18 @@ pub fn open_sqlite_storage(path: &str) -> Result<SQLiteStorage, Error> {
 
 impl MemoStorage for SQLiteStorage {
 	fn all(&self) -> Result<Vec<Memo>, Error> {
-		let mut statement = self.conn.prepare("SELECT * FROM memo ORDER BY due, id")?;
-		let mut rows = statement.query([])?;
 		let mut results = Vec::new();
 
+		/*
+		 * SQLite considers NULL as smallest value, so we will always get events with no due date
+		 * first. To circumvent this, we first query all memos with a due date, and then all
+		 * others. This is kinda jank but will do for now.
+		 */
+
+		{
+			let mut statement = self.conn.prepare("SELECT * FROM memo WHERE due IS NOT NULL ORDER BY due, id")?;
+			let mut rows = statement.query([])?;
+
 			while let Some(row) = rows.next()? {
 				results.push(Memo {
 					id: row.get(0)?,
@@ -64,6 +72,20 @@ impl MemoStorage for SQLiteStorage {
 					due: row.get(2)?,
 				});
 			}
+		}
+
+		{
+			let mut statement = self.conn.prepare("SELECT * FROM memo WHERE due IS NULL ORDER BY due, id")?;
+			let mut rows = statement.query([])?;
+
+			while let Some(row) = rows.next()? {
+				results.push(Memo {
+					id: row.get(0)?,
+					body: row.get(1)?,
+					due: row.get(2)?,
+				});
+			}
+		}
 
 		return Ok(results);
 	}