subtasks

src/main.rs

@@ -61,8 +61,8 @@ fn main() {
             let arena = Arena::new();
             let root = parse_todo_file(&file, &arena);
 
-            //println!("{:#?}", root);
+            println!("{:#?}", root);
-            //println!("=======================================================");
+            println!("=======================================================");
 
             let sections = &cfg.sections.unwrap();
             let groups = extract_secitons(root, sections);

src/todo/tasks.rs

@@ -15,6 +15,8 @@ pub struct TaskGroup {
 pub struct Task {
     pub status: Status,
     pub text: String,
+    level: u8,
+    pub subtasks: Option<Vec<Task>>,
 }
 
 #[derive(Debug, PartialEq, Clone)]
@@ -24,7 +26,7 @@ pub enum Status {
     Empty,
 }
 
-pub enum TaskErorr {
+pub enum TaskError {
     ParsingError(&'static str),
 }
 
@@ -39,6 +41,42 @@ impl Task {
         }
         text
     }
+
+    fn extract_text<'a>(node: &'a AstNode<'a>) -> Result<String, TaskError> {
+        let data_ref = node.data.borrow();
+        if let NodeValue::Text(contents) = &data_ref.value {
+            Ok(contents.to_string())
+        } else {
+            Err(TaskError::ParsingError("Could not get text from element"))
+        }
+    }
+
+    fn extract_text_from_task<'a>(node: &'a AstNode<'a>) -> Result<String, TaskError> {
+        let mut text = String::new();
+        let data_ref = node.data.borrow();
+        if let NodeValue::Paragraph = data_ref.value {
+            for child in node.children() {
+                let child_data_ref = child.data.borrow();
+                let t = match &child_data_ref.borrow().value {
+                    NodeValue::Text(contents) => contents.clone(),
+                    NodeValue::Emph if child.first_child().is_some() => {
+                        format!("*{}*", Self::extract_text(child.first_child().unwrap())?)
+                    }
+                    NodeValue::Strong if child.first_child().is_some() => {
+                        format!("**{}**", Self::extract_text(child.first_child().unwrap())?)
+                    }
+                    NodeValue::SoftBreak => {
+                        format!("\n{}", " ".repeat(data_ref.sourcepos.start.column))
+                    }
+                    _ => "".into(),
+                };
+                text.push_str(&t);
+            }
+            Ok(text)
+        } else {
+            Err(TaskError::ParsingError("First child is not Paragraph"))
+        }
+    }
 }
 
 impl ToString for Task {
@@ -48,25 +86,68 @@ impl ToString for Task {
             Status::Todo(ch) => ch,
             Status::Empty => ' ',
         };
-        format!(" - [{}] {}\n", ch, self.text.trim())
+
+        let subtasks = if let Some(subtasks) = &self.subtasks {
+            let mut text = subtasks
+                .iter()
+                .map(|task| task.to_string())
+                .collect::<Vec<_>>()
+                .join("\n");
+            text.insert(0, '\n');
+            text.trim_end().to_string()
+        } else {
+            "".into()
+        };
+
+        format!(
+            " - [{}] {}{}\n",
+            ch,
+            self.text.trim(),
+            subtasks.replace("\n", "\n   ")
+        )
     }
 }
 
 impl<'a> TryFrom<&'a AstNode<'a>> for Task {
-    type Error = TaskErorr;
+    type Error = TaskError;
     fn try_from(node: &'a AstNode<'a>) -> Result<Self, Self::Error> {
         let data_ref = &node.data.borrow();
         if let NodeValue::TaskItem(ch) = data_ref.value {
-            let text = Self::find_text(node);
+            let text = Self::extract_text_from_task(
+                node.first_child()
+                    .ok_or(TaskError::ParsingError("No childern of node found"))?,
+            )?;
             let status = match ch {
                 Some(c) if c == 'x' || c == 'X' => Status::Done(c),
                 Some(c) => Status::Todo(c),
                 _ => Status::Empty,
             };
-
+            let subtasks = node
-            Ok(Self { status, text })
+                .children()
+                .filter_map(|child| {
+                    if let NodeValue::List(_) = child.data.borrow().value {
+                        Some(child)
                     } else {
-            Err(TaskErorr::ParsingError(
+                        None
+                    }
+                })
+                .map(|child| {
+                    child
+                        .children()
+                        .into_iter()
+                        .filter_map(|item_node| Task::try_from(item_node).ok())
+                        .collect()
+                })
+                .reduce(|a: Vec<Task>, b: Vec<Task>| [a, b].concat());
+
+            Ok(Self {
+                status,
+                text,
+                subtasks,
+                level: 1,
+            })
+        } else {
+            Err(TaskError::ParsingError(
                 "Node being parsed is not a TaskItem",
             ))
         }
@@ -95,7 +176,7 @@ impl ToString for TaskGroup {
 }
 
 impl<'a> TryFrom<&'a AstNode<'a>> for TaskGroup {
-    type Error = TaskErorr;
+    type Error = TaskError;
     fn try_from(node: &'a AstNode<'a>) -> Result<Self, Self::Error> {
         let node_ref = &node.data.borrow();
         if let NodeValue::Heading(heading) = node_ref.value {
@@ -104,21 +185,21 @@ impl<'a> TryFrom<&'a AstNode<'a>> for TaskGroup {
             let first_child = if let Some(child) = first_child_ref.borrow() {
                 child
             } else {
-                return Err(TaskErorr::ParsingError("Node has no children"));
+                return Err(TaskError::ParsingError("Node has no children"));
             };
 
             let data_ref = &first_child.data.borrow();
             let name = if let NodeValue::Text(value) = &data_ref.value {
                 value.to_string()
             } else {
-                return Err(TaskErorr::ParsingError(
+                return Err(TaskError::ParsingError(
                     "Could not get title from heading node",
                 ));
             };
 
             let next_sib = node
                 .next_sibling()
-                .ok_or(TaskErorr::ParsingError("Empty section at end of file"))?;
+                .ok_or(TaskError::ParsingError("Empty section at end of file"))?;
 
             if let NodeValue::List(_list_meta) = next_sib.data.borrow().value {
                 let tasks = next_sib
@@ -129,12 +210,12 @@ impl<'a> TryFrom<&'a AstNode<'a>> for TaskGroup {
 
                 Ok(TaskGroup { name, tasks, level })
             } else {
-                Err(TaskErorr::ParsingError(
+                Err(TaskError::ParsingError(
                     "Next sibling of node is not a list",
                 ))
             }
         } else {
-            Err(TaskErorr::ParsingError("Node is not a section heading"))
+            Err(TaskError::ParsingError("Node is not a section heading"))
         }
     }
 }