docs: translate API option

README.md

@@ -1,3 +1,13 @@
 # wordsmith
 
 Language learning utility.
+
+## TODO:
+
+- [ ] Docs
+- [ ] On screen cursor
+- [ ] Remove unwraps
+- [ ] Default config
+- [ ] No db fallbacks
+- [ ] Better logs
+- [ ] Translate / define window (https://libretranslate.com/?source=auto&target=en&q=Testt)

src/main.rs

@@ -30,7 +30,15 @@ fn main() -> io::Result<()> {
         }
     };
 
-    let config = read_config(DEFAULT_CONFIG_PATH, default_config); // TODO: read config from param
+    let config_path: &str = {
+        if args.len() > 2 && args[1] == "--c" {
+            &args[2]
+        } else {
+            DEFAULT_CONFIG_PATH
+        }
+    };
+
+    let config = read_config(config_path, default_config);
 
     let word_source_result = FileDatabase::new(&config.database_path);
 

src/modules/source/mod.rs

@@ -53,7 +53,7 @@ pub trait WordSource {
     fn find_by_word_and_lang(&self, word: &str, lang: &str) -> Vec<Word>;
     fn insert_word(&self, word: Word) -> Result<(), ()>;
     fn remove_word(&self, word_key: &str) -> Result<(), ()>;
-    fn edit_word(&self, word: Word) -> Result<Word, ()>;
+    fn edit_word(&self, word: Word, key: &str) -> Result<Word, ()>;
     fn normalize_word_key(word_key: &str) -> String;
     fn normalize_lang_key(word_key: &str) -> String;
 }
@@ -70,7 +70,7 @@ impl WordSource for FileDatabase {
     fn get_all_words(&self) -> Vec<Word> {
         let statement = self
             .connection
-            .prepare("select key, description, lang from word");
+            .prepare("select key, description, lang from word ORDER BY key ASC");
         let mut word_list: Vec<Word> = vec![];
 
         // TODO: make this pretty with functional programming
@@ -94,7 +94,7 @@ impl WordSource for FileDatabase {
     fn find_by_word(&self, word: &str) -> Vec<Word> {
         let statement = self
             .connection
-            .prepare("SELECT key, description, lang FROM word");
+            .prepare("SELECT key, description, lang FROM word ORDER BY key ASC");
         let mut word_list: Vec<Word> = vec![];
 
         if let Ok(mut query) = statement {
@@ -118,7 +118,7 @@ impl WordSource for FileDatabase {
     fn find_by_lang(&self, lang: &str) -> Vec<Word> {
         let statement = self
             .connection
-            .prepare("select key, description, lang from word where lang = ?1");
+            .prepare("select key, description, lang from word where lang = ?1 ORDER BY key ASC");
         let mut word_list: Vec<Word> = vec![];
 
         // TODO: make this pretty with functional programming
@@ -142,7 +142,7 @@ impl WordSource for FileDatabase {
     fn find_by_word_and_lang(&self, word: &str, lang: &str) -> Vec<Word> {
         let statement = self
             .connection
-            .prepare("SELECT key, description, lang FROM word where lang = ?1");
+            .prepare("SELECT key, description, lang FROM word where lang = ?1 ORDER BY key ASC");
         let mut word_list: Vec<Word> = vec![];
 
         if let Ok(mut query) = statement {
@@ -180,13 +180,14 @@ impl WordSource for FileDatabase {
         Err(())
     }
 
-    fn edit_word(&self, word: Word) -> Result<Word, ()> {
+    fn edit_word(&self, word: Word, key: &str) -> Result<Word, ()> {
         let result = self.connection.execute(
-            "UPDATE word SET key = ?1, description = ?2, lang = ?3 WHERE key = ?1",
+            "UPDATE word SET key = ?1, description = ?2, lang = ?3 WHERE key = ?4",
             (
                 &Self::normalize_word_key(&word.key),
                 &word.description,
                 &Self::normalize_lang_key(&word.lang),
+                key,
             ),
         );
         match result {

src/modules/ui/app.rs

@@ -1,5 +1,7 @@
 use crate::modules::source::{FileDatabase, Word, WordSource};
+use crate::modules::ui::app::UiState::FILTERLANG;
 use crate::modules::ui::handler::handle_user_input;
+use crossterm::event::KeyEvent;
 use ratatui::{
     DefaultTerminal, Frame,
     layout::{Constraint, Direction, Flex, Layout},
@@ -41,6 +43,7 @@ pub struct App {
     pub word_to_edit: Option<Word>,
     pub word_filter: Option<String>,
     pub lang_filter: Option<String>,
+    pub last_key: Option<KeyEvent>,
     pub exit: bool,
 }
 
@@ -59,6 +62,7 @@ impl App {
             word_to_edit: None,
             word_filter: None,
             lang_filter: None,
+            last_key: None,
             exit: false,
         }
     }
@@ -75,6 +79,12 @@ impl App {
     }
 
     fn draw(&mut self, frame: &mut Frame) {
+        // PERF: this should not be declared on every frame
+        let color_bg_main = Color::default();
+        let color_fg_main = Color::default();
+        let color_fg_highlight = Color::Yellow;
+        let color_fg_delete = Color::LightRed;
+
         let main_layout = Layout::default()
             .direction(Direction::Vertical)
             .spacing(0)
@@ -82,7 +92,7 @@ impl App {
             .constraints(vec![
                 Constraint::Length(3),
                 Constraint::Fill(1),
-                Constraint::Length(3),
+                Constraint::Length(1),
             ])
             .split(frame.area());
 
@@ -103,8 +113,12 @@ impl App {
             }
         };
         frame.render_widget(
-            Paragraph::new(word_filter.clone())
-                .block(Block::new().title("Word").borders(Borders::ALL)),
+            Paragraph::new(word_filter.clone()).block(
+                Block::new()
+                    .title(self.format_ui_block_title("Word", UiState::FILTERWORD))
+                    .style(Style::default().fg(color_fg_main).bg(color_bg_main))
+                    .borders(Borders::ALL),
+            ),
             filters_layout[0],
         );
 
@@ -116,41 +130,99 @@ impl App {
             }
         };
         frame.render_widget(
-            Paragraph::new(lang_filter).block(Block::new().title("Lang").borders(Borders::ALL)),
+            Paragraph::new(lang_filter).block(
+                Block::new()
+                    .title(self.format_ui_block_title("Lang", UiState::FILTERLANG))
+                    .style(Style::default().fg(color_fg_main).bg(color_bg_main))
+                    .borders(Borders::ALL),
+            ),
             filters_layout[1],
         );
 
         /*
          * Word list / add / edit block
          * */
-        if self.state == UiState::ADD {
+        let scroll_position: usize = {
+            if let Some(i) = self.list_state.selected() {
+                i
+            } else {
+                0
+            }
+        };
+        // PERF: do not clone
+        let selected_word = self.word_list.clone().into_iter().nth(scroll_position);
+        if self.state == UiState::ADD || self.state == UiState::EDIT {
             let add_words_heading_layout =
                 Layout::horizontal(vec![Constraint::Fill(1), Constraint::Length(8)])
                     .spacing(1)
                     .split(main_layout[0]);
 
             // PERF: maybe not clone
-            let word_to_add = self.word_to_add.clone().unwrap_or(Word {
+            let word_to_add = {
+                if self.state == UiState::EDIT
+                    && let Some(w) = self.word_to_edit.clone()
+                {
+                    w
+                } else {
+                    self.word_to_add.clone().unwrap_or(Word {
                         key: "".to_string(),
                         description: "".to_string(),
                         lang: "".to_string(),
-            });
+                    })
+                }
+            };
             frame.render_widget(
-                Paragraph::new(word_to_add.key)
-                    .block(Block::new().title("Word").borders(Borders::ALL)),
+                Paragraph::new(word_to_add.key).block(
+                    Block::new()
+                        .title(self.format_add_block_title("Word", AddState::KEY))
+                        .style(Style::default().fg(color_fg_main).bg(color_bg_main))
+                        .borders(Borders::ALL),
+                ),
                 add_words_heading_layout[0],
             );
             frame.render_widget(
-                Paragraph::new(word_to_add.lang)
-                    .block(Block::new().title("Lang").borders(Borders::ALL)),
+                Paragraph::new(word_to_add.lang).block(
+                    Block::new()
+                        .title(self.format_add_block_title("Lang", AddState::LANG))
+                        .style(Style::default().fg(color_fg_main).bg(color_bg_main))
+                        .borders(Borders::ALL),
+                ),
                 add_words_heading_layout[1],
             );
             frame.render_widget(
                 Paragraph::new(word_to_add.description)
-                    .block(Block::new().title("Description").borders(Borders::ALL)),
+                    .wrap(Wrap { trim: true })
+                    .block(
+                        Block::new()
+                            .title(
+                                self.format_add_block_title("Description", AddState::DESCRIPTION),
+                            )
+                            .borders(Borders::ALL),
+                    )
+                    .style(Style::default().fg(color_fg_main).bg(color_bg_main)),
                 main_layout[1],
             );
         } else {
+            let highligh_symbol: &str = {
+                if self.state == UiState::LIST {
+                    "> "
+                } else if self.state == UiState::DELETE {
+                    "x "
+                } else {
+                    "  "
+                }
+            };
+
+            let highligh_color: Color = {
+                if self.state == UiState::LIST {
+                    Color::Yellow
+                } else if self.state == UiState::DELETE {
+                    Color::LightRed
+                } else {
+                    Color::default()
+                }
+            };
+
             let words_layout =
                 Layout::horizontal(vec![Constraint::Percentage(30), Constraint::Percentage(70)])
                     .split(main_layout[1]);
@@ -165,30 +237,23 @@ impl App {
                 .direction(ListDirection::TopToBottom)
                 .block(
                     Block::default()
-                        .title("Entries")
+                        .title(self.format_ui_block_title("Entries", UiState::LIST))
                         .borders(Borders::ALL)
+                        .style(Style::default().fg(color_fg_main).bg(color_bg_main))
                         .padding(Padding::horizontal(1)),
                 )
-                .highlight_style(Style::default().fg(Color::default()))
-                .highlight_symbol("> ")
-                .style(Style::default().fg(Color::DarkGray));
+                .highlight_style(Style::default().fg(highligh_color))
+                .highlight_symbol(highligh_symbol)
+                .style(Style::default().fg(color_fg_main).bg(color_bg_main));
             frame.render_stateful_widget(word_key_list, words_layout[0], &mut self.list_state);
 
-            let scroll_position: usize = {
-                if let Some(i) = self.list_state.selected() {
-                    i
-                } else {
-                    0
-                }
-            };
-            // PERF: do not clone
-            let selected_word = self.word_list.clone().into_iter().nth(scroll_position);
-            if let Some(w) = selected_word {
+            if let Some(w) = selected_word.clone() {
                 frame.render_widget(
                     Paragraph::new(w.description)
                         .wrap(Wrap { trim: true })
                         .scroll((self.description_scroll, 0))
-                        .block(Block::new().borders(Borders::ALL)),
+                        .block(Block::new().borders(Borders::ALL))
+                        .style(Style::default().fg(color_fg_main).bg(color_bg_main)),
                     words_layout[1],
                 );
             }
@@ -201,14 +266,35 @@ impl App {
             .flex(Flex::Center)
             .split(main_layout[2]);
 
-        let help_text = Text::raw("(f)ilter | (l)ang | (d)elete | (e)dit | (a)dd | (q)uit ")
-            .style(Style::new().fg(Color::DarkGray));
+        let help_text = {
+            if self.state == UiState::DELETE
+                && let Some(s_w) = selected_word.clone()
+            {
+                Text::raw(format!("Sure you want to delete '{0}'? (y)es", s_w.key))
+                    .style(Style::default().fg(color_fg_delete).bg(color_bg_main))
+            } else if self.state == UiState::ADD {
+                Text::raw("Adding item (enter) to confirm (esc) to exit")
+                    .style(Style::default().fg(color_fg_main).bg(color_bg_main))
+            } else {
+                Text::raw("(f)ilter | (l)ang | (d)elete | (e)dit | (a)dd | (q)uit")
+                    .style(Style::default().fg(color_fg_main).bg(color_bg_main))
+            }
+        };
+
         let help_area = help_layout[0].centered(
             Constraint::Length(help_text.width() as u16),
             Constraint::Length(1),
         );
 
         frame.render_widget(help_text, help_area);
+
+        /*
+         * State block
+         * */
+        // let state_layout = Layout::horizontal(vec![Constraint::Fill(1)])
+        //     .flex(Flex::Center)
+        //     .split(main_layout[2]);
+        // frame.render_widget(help_text, help_area);
     }
 
     pub fn update_word_list(&mut self) {
@@ -226,11 +312,41 @@ impl App {
                 self.file_database.get_all_words()
             }
         };
-        self.list_state.select(Some(0));
         self.description_scroll = 0;
         self.word_list = word_list;
     }
 
+    fn format_ui_block_title(&self, input: &str, matching_state: UiState) -> String {
+        if matching_state == self.state {
+            let mut result = input.to_string();
+            result.push_str(" ● ");
+            result
+        } else {
+            input.to_string()
+        }
+    }
+
+    fn format_add_block_title(&self, input: &str, matching_state: AddState) -> String {
+        if matching_state == self.add_state {
+            let mut result = input.to_string();
+            result.push_str(" ● ");
+            result
+        } else {
+            input.to_string()
+        }
+    }
+
+    pub fn get_selected_word(&self) -> Option<Word> {
+        let scroll_position: usize = {
+            if let Some(i) = self.list_state.selected() {
+                i
+            } else {
+                0
+            }
+        };
+        self.word_list.clone().into_iter().nth(scroll_position)
+    }
+
     fn handle_events(&mut self) -> io::Result<()> {
         return handle_user_input(self);
     }

src/modules/ui/handler.rs

@@ -6,12 +6,36 @@ use crate::modules::{
     source::{Word, WordSource},
     ui::app::{AddState, App, UiState},
 };
-
 pub fn handle_user_input(app: &mut App) -> io::Result<()> {
     if let Event::Key(key) = event::read()? {
         match key.code {
             event::KeyCode::Char(c) => {
                 match app.state {
+                    UiState::DELETE => {
+                        if c == 'y' || c == 'Y' || c == 's' || c == 'S' {
+                            // delete word
+                            let scroll_position: usize = {
+                                if let Some(i) = app.list_state.selected() {
+                                    i
+                                } else {
+                                    0
+                                }
+                            };
+                            let selected_word =
+                                app.word_list.clone().into_iter().nth(scroll_position);
+                            if let Some(w) = selected_word {
+                                // TODO: manage result with some notification context
+                                let _ = app.file_database.remove_word(&w.key);
+                                app.update_word_list();
+                                if scroll_position > 0 {
+                                    app.list_state.select(Some(scroll_position - 1));
+                                }
+                                app.state = UiState::LIST;
+                            }
+                        } else {
+                            app.state = UiState::LIST;
+                        }
+                    }
                     UiState::FILTERWORD => {
                         if let Some(mut prev_word) = app.word_filter.clone() {
                             prev_word.push(c);
@@ -68,10 +92,48 @@ pub fn handle_user_input(app: &mut App) -> io::Result<()> {
                             }
                         }
                     },
+                    UiState::EDIT => match app.add_state {
+                        AddState::KEY => {
+                            if let Some(mut prev_word) = app.word_to_edit.clone() {
+                                prev_word.key.push(c);
+                                app.word_to_edit = Some(prev_word);
+                            } else {
+                                app.word_to_edit = Some(Word {
+                                    key: c.to_string(),
+                                    description: "".to_string(),
+                                    lang: "".to_string(),
+                                });
+                            }
+                        }
+                        AddState::DESCRIPTION => {
+                            if let Some(mut prev_word) = app.word_to_edit.clone() {
+                                prev_word.description.push(c);
+                                app.word_to_edit = Some(prev_word);
+                            } else {
+                                app.word_to_edit = Some(Word {
+                                    key: c.to_string(),
+                                    description: "".to_string(),
+                                    lang: "".to_string(),
+                                });
+                            }
+                        }
+                        AddState::LANG => {
+                            if let Some(mut prev_word) = app.word_to_edit.clone() {
+                                prev_word.lang.push(c);
+                                app.word_to_edit = Some(prev_word);
+                            } else {
+                                app.word_to_edit = Some(Word {
+                                    key: c.to_string(),
+                                    description: "".to_string(),
+                                    lang: "".to_string(),
+                                });
+                            }
+                        }
+                    },
                     _ => {
                         // Quit
                         if c == 'q' || c == 'x' {
-                            return Err(io::Error::last_os_error()); // FIXME: this is not right
+                            app.exit = true;
                         }
                         // State change
                         if c == 'f' || c == '/' {
@@ -85,15 +147,41 @@ pub fn handle_user_input(app: &mut App) -> io::Result<()> {
                         }
                         if c == 'e' {
                             app.state = UiState::EDIT;
+                            let selected_word = app.get_selected_word();
+                            app.word_to_edit = selected_word;
                         }
                         if c == 'a' {
                             app.state = UiState::ADD;
                         }
                         // Movement
                         if c == 'j' {
+                            let scroll_position: usize = {
+                                if let Some(i) = app.list_state.selected() {
+                                    i
+                                } else {
+                                    0
+                                }
+                            };
+                            if scroll_position < app.word_list.len() - 1 {
                                 app.list_state.select_next();
                                 app.description_scroll = 0;
                             }
+                        }
+                        if c == 'g' {
+                            if let Some(g) = app.last_key {
+                                match g.code {
+                                    event::KeyCode::Char(g_c) => {
+                                        if g_c == 'g' {
+                                            app.list_state.select_first();
+                                        }
+                                    }
+                                    _ => {}
+                                }
+                            }
+                        }
+                        if c == 'G' {
+                            app.list_state.select_last();
+                        }
                         if c == 'k' {
                             app.list_state.select_previous();
                             app.description_scroll = 0;
@@ -114,6 +202,19 @@ pub fn handle_user_input(app: &mut App) -> io::Result<()> {
                     if let Some(w) = app.word_to_add.clone()
                         && w.key.len() > 0
                     {
+                        if app.add_state == AddState::DESCRIPTION {
+                            let new_line_char = '\n';
+                            if let Some(mut prev_word) = app.word_to_add.clone() {
+                                prev_word.description.push(new_line_char);
+                                app.word_to_add = Some(prev_word);
+                            } else {
+                                app.word_to_add = Some(Word {
+                                    key: new_line_char.to_string(),
+                                    description: "".to_string(),
+                                    lang: "".to_string(),
+                                });
+                            }
+                        } else {
                             let res = app.file_database.insert_word(w);
                             match res {
                                 Ok(_) => {
@@ -125,12 +226,46 @@ pub fn handle_user_input(app: &mut App) -> io::Result<()> {
                             }
                         }
                     }
+                }
+                UiState::EDIT => {
+                    if let Some(w) = app.word_to_edit.clone()
+                        && let Some(w_k) = app.get_selected_word()
+                    {
+                        if app.add_state == AddState::DESCRIPTION {
+                            let new_line_char = '\n';
+                            if let Some(mut prev_word) = app.word_to_edit.clone() {
+                                let new_line_char = '\n';
+                                prev_word.description.push(new_line_char);
+                                app.word_to_edit = Some(prev_word);
+                            } else {
+                                app.word_to_edit = Some(Word {
+                                    key: new_line_char.to_string(),
+                                    description: "".to_string(),
+                                    lang: "".to_string(),
+                                });
+                            }
+                        } else {
+                            let res = app.file_database.edit_word(w.clone(), &w_k.key);
+                            match res {
+                                Ok(_) => {
+                                    app.update_word_list();
+                                    app.word_to_edit = None;
+                                    app.state = get_next_ui_state(app.state);
+                                }
+                                Err(_) => app.state = get_next_ui_state(app.state),
+                            }
+                        }
+                    }
+                }
                 _ => {}
             },
             event::KeyCode::Tab => match app.state {
                 UiState::ADD => {
                     app.add_state = get_next_add_state(app.add_state);
                 }
+                UiState::EDIT => {
+                    app.add_state = get_next_add_state(app.add_state);
+                }
                 _ => {
                     app.state = get_next_ui_state(app.state);
                 }
@@ -164,6 +299,26 @@ pub fn handle_user_input(app: &mut App) -> io::Result<()> {
                         }
                     }
                 },
+                UiState::EDIT => match app.add_state {
+                    AddState::KEY => {
+                        if let Some(mut prev_word) = app.word_to_edit.clone() {
+                            prev_word.key.pop();
+                            app.word_to_edit = Some(prev_word);
+                        }
+                    }
+                    AddState::DESCRIPTION => {
+                        if let Some(mut prev_word) = app.word_to_edit.clone() {
+                            prev_word.description.pop();
+                            app.word_to_edit = Some(prev_word);
+                        }
+                    }
+                    AddState::LANG => {
+                        if let Some(mut prev_word) = app.word_to_edit.clone() {
+                            prev_word.lang.pop();
+                            app.word_to_edit = Some(prev_word);
+                        }
+                    }
+                },
                 _ => {}
             },
             event::KeyCode::Esc => {
@@ -171,6 +326,7 @@ pub fn handle_user_input(app: &mut App) -> io::Result<()> {
             }
             _ => return Ok(()),
         }
+        app.last_key = Some(key);
     }
     Ok(())
 }