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use crate::list::action::Action;
use crate::list::line::Line;
use anyhow::{anyhow, Result};
use std::fs::{read_to_string, File};
use std::io::Write;
use std::path::Path;
pub struct GitInteractive {
filepath: String,
lines: Vec<Line>,
selected_line_index: usize,
visual_index_start: Option<usize>,
comment_char: String,
is_noop: bool,
}
impl GitInteractive {
pub(crate) fn new(path: &str, comment_char: &str) -> Self {
Self {
filepath: path.to_string(),
lines: vec![],
selected_line_index: 1,
is_noop: false,
visual_index_start: None,
comment_char: String::from(comment_char),
}
}
pub(crate) fn set_lines(&mut self, lines: Vec<Line>) {
self.is_noop = !lines.is_empty() && lines[0].get_action() == &Action::Noop;
self.lines = if self.is_noop {
vec![]
}
else {
lines.into_iter().filter(|l| l.get_action() != &Action::Noop).collect()
};
}
pub(crate) fn load_file(&mut self) -> Result<()> {
let lines = read_to_string(Path::new(&self.filepath))
.map_err(|err| anyhow!("Error reading file: {}", self.filepath).context(err))?
.lines()
.filter_map(|l| {
if l.starts_with(self.comment_char.as_str()) || l.is_empty() {
None
}
else {
Some(Line::new(l).map_err(|err| anyhow!("Error reading file: {}", self.filepath).context(err)))
}
})
.collect::<Result<Vec<Line>>>()?;
self.set_lines(lines);
Ok(())
}
pub(crate) fn write_file(&self) -> Result<()> {
let mut file = File::create(&self.filepath)
.map_err(|err| anyhow!(err).context(anyhow!("Error opening file: {}", self.filepath)))?;
let file_contents = if self.is_noop {
String::from("noop")
}
else {
self.lines.iter().map(Line::to_text).collect::<Vec<String>>().join("\n")
};
writeln!(file, "{}", file_contents)
.map_err(|err| anyhow!(err).context(anyhow!("Error writing file: {}", self.filepath)))?;
Ok(())
}
pub(crate) fn clear(&mut self) {
self.lines.clear();
}
pub(crate) fn set_selected_line_index(&mut self, selected_line_index: usize) {
self.selected_line_index = selected_line_index;
}
pub(crate) fn set_visual_index(&mut self, visual_index: usize) {
self.visual_index_start = Some(visual_index);
}
pub(crate) fn start_visual_mode(&mut self) {
self.visual_index_start = Some(self.selected_line_index);
}
pub(crate) fn end_visual_mode(&mut self) {
self.visual_index_start = None;
}
pub(crate) fn swap_lines(&mut self, a: usize, b: usize) {
self.lines.swap(a, b);
}
pub(crate) fn edit_selected_line(&mut self, content: &str) {
self.lines[self.selected_line_index - 1].edit_content(content);
}
pub(crate) fn set_range_action(&mut self, action: Action) {
let end_index = self.visual_index_start.unwrap_or(self.selected_line_index);
let start_index = self.selected_line_index;
let range = if start_index <= end_index {
start_index..=end_index
}
else {
end_index..=start_index
};
for index in range {
let selected_action = self.lines[index - 1].get_action();
if *selected_action != Action::Exec && *selected_action != Action::Break {
self.lines[index - 1].set_action(action);
}
}
}
pub(crate) fn add_line(&mut self, line_number: usize, line: Line) {
self.lines.insert(line_number - 1, line);
}
pub(crate) fn remove_line(&mut self, line_number: usize) {
self.lines.remove(line_number - 1);
}
pub(crate) const fn is_noop(&self) -> bool {
self.is_noop
}
pub(crate) fn get_selected_line(&self) -> &Line {
&self.lines[self.selected_line_index - 1]
}
pub(crate) const fn get_selected_line_index(&self) -> usize {
self.selected_line_index
}
pub(crate) const fn get_visual_start_index(&self) -> Option<usize> {
self.visual_index_start
}
pub(crate) fn get_filepath(&self) -> &str {
self.filepath.as_str()
}
pub(crate) const fn get_lines(&self) -> &Vec<Line> {
&self.lines
}
}
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