1 files changed, 66 insertions, 0 deletions
diff --git a/examples/full-todolist/src/todolist.rs b/examples/full-todolist/src/todolist.rs
new file mode 100644
index 0000000..e447f5d
--- /dev/null
+++ b/examples/full-todolist/src/todolist.rs
@@ -0,0 +1,66 @@
+//! Data structures, read and write logic for the todo list
+
+use mingling::{
+    macros::{r_println, renderer},
+    Groupped,
+};
+use serde::{Deserialize, Serialize};
+use std::{env::current_dir, path::PathBuf};
+
+use crate::ResProgramFlags;
+
+#[derive(Debug, Serialize, Deserialize, Clone, Default, Groupped)]
+pub struct ResTodoList {
+    pub items: Vec<Todo>,
+}
+
+#[derive(Debug, Serialize, Deserialize, Clone, Default)]
+pub struct Todo {
+    pub item: String,
+    pub completed: bool,
+}
+
+fn get_todo_list_path() -> PathBuf {
+    current_dir().unwrap().join(".todo.json")
+}
+
+pub fn read_todo_list() -> ResTodoList {
+    let path = get_todo_list_path();
+    if !path.exists() {
+        return ResTodoList::default();
+    }
+    let file = match std::fs::File::open(&path) {
+        Ok(f) => f,
+        Err(_) => return ResTodoList::default(),
+    };
+    let reader = std::io::BufReader::new(file);
+    serde_json::from_reader(reader).unwrap_or_default()
+}
+
+#[renderer]
+pub fn render_res_todo_list(todo_list: ResTodoList, program_flags: &ResProgramFlags) {
+    let mut idx = 0;
+    r_println!("TODO: ");
+    for item in &todo_list.items {
+        if item.completed && !program_flags.all {
+            idx += 1;
+            continue;
+        }
+        r_println!(
+            "  {idx}. [{}] - \"{}\"",
+            if item.completed { "x" } else { " " },
+            item.item
+        );
+        idx += 1;
+    }
+}
+
+pub fn write_todo_list(todo_list: ResTodoList) {
+    let path = get_todo_list_path();
+    if let Some(parent) = path.parent() {
+        std::fs::create_dir_all(parent).unwrap();
+    }
+    let file = std::fs::File::create(path).unwrap();
+    let writer = std::io::BufWriter::new(file);
+    serde_json::to_writer(writer, &todo_list).unwrap();
+}