added light novel tracking

src/ln/ln.rs

@@ -1,13 +1,13 @@
 use crate::ln::open_text::*;
 use crate::ln::scraper::*;
-use std::fs::File;
+use crate::ln::tracker::*;
-use std::io::Write;
-
 use crossterm::{
     event::{self, DisableMouseCapture, EnableMouseCapture, Event, KeyCode},
     execute,
     terminal::{disable_raw_mode, enable_raw_mode, EnterAlternateScreen, LeaveAlternateScreen},
 };
+use std::fs::File;
+use std::io::Write;
 use std::{error::Error, io};
 use tui::{
     backend::{Backend, CrosstermBackend},
@@ -115,6 +115,7 @@ impl<'a> App {
 
 pub fn ln_ui(chapter: u32) -> Result<(), Box<dyn Error>> {
     // setup terminal
+    let _ = get_json();
     enable_raw_mode()?;
     let mut stdout = io::stdout();
     execute!(stdout, EnterAlternateScreen, EnableMouseCapture)?;
@@ -203,6 +204,11 @@ fn run_app<B: Backend>(terminal: &mut Terminal<B>, mut app: App) -> io::Result<(
                                 .nth(selected.unwrap())
                                 .unwrap()
                                 .to_string();
+                            if app.current_page_number == 1 {
+                                let progress = get_ln_progress(&app.title);
+                                app.current_page_number = progress.0;
+                                app.messages.state.select(Some(progress.1));
+                            }
                             let link = app.ln_links[selected.unwrap()].to_string();
                             let html = get_html(&link);
                             app.ln_id = get_ln_id(&html).to_string();
@@ -242,6 +248,11 @@ fn run_app<B: Backend>(terminal: &mut Terminal<B>, mut app: App) -> io::Result<(
                             };
                             terminal.clear()?;
                             let _ = open_bat();
+                            write_ln_progress(
+                                &app.title,
+                                &app.current_page_number,
+                                &app.messages.state.selected().unwrap(),
+                            );
                             terminal.clear()?;
                         }
                     }

src/ln/mod.rs

@@ -1,3 +1,4 @@
 pub mod ln;
 pub mod open_text;
 pub mod scraper;
+pub mod tracker;

src/ln/tracker.rs

@@ -0,0 +1,50 @@
+use serde_json;
+use std::fs;
+//
+//
+pub fn get_json() -> serde_json::Value {
+    let config_path = dirs::config_dir().unwrap().join("kami");
+    if !config_path.exists() {
+        fs::create_dir_all(&config_path).unwrap();
+    }
+    let json_path = config_path.join("ln_progress.json");
+    if !json_path.exists() {
+        fs::File::create(&json_path).unwrap();
+    }
+    let json = fs::read_to_string(&json_path).unwrap();
+    let json: serde_json::Value = serde_json::from_str(&json).unwrap_or(serde_json::Value::Null);
+    json
+}
+
+pub fn write_ln_progress(title: &str, current_page: &u32, selected: &usize) {
+    let config_path = dirs::config_dir().unwrap().join("kami");
+    let json_path = config_path.join("ln_progress.json");
+    let json = fs::read_to_string(&json_path).unwrap();
+    let mut json: serde_json::Value =
+        serde_json::from_str(&json).unwrap_or(serde_json::Value::Null);
+    let mut title_json = serde_json::Map::new();
+    title_json.insert(
+        "current_page".to_string(),
+        serde_json::Value::from(current_page.clone()),
+    );
+    title_json.insert(
+        "selected".to_string(),
+        serde_json::Value::from(selected.clone()),
+    );
+    //insert title_json into json
+    if json[title].is_null() {
+        json[title] = serde_json::Value::from(title_json);
+    } else {
+        json[title]["current_page"] = serde_json::Value::from(current_page.clone());
+        json[title]["selected"] = serde_json::Value::from(selected.clone());
+    }
+    let json = serde_json::to_string_pretty(&json).unwrap();
+    fs::write(&json_path, json).unwrap();
+}
+
+pub fn get_ln_progress(title: &str) -> (u32, usize) {
+    let json = get_json();
+    let current_page = json[title]["current_page"].as_u64().unwrap_or(1) as u32;
+    let selected = json[title]["selected"].as_u64().unwrap_or(0) as usize;
+    (current_page, selected)
+}