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use std::fs::{create_dir_all, remove_dir_all, rename};
use std::io::{Result, Error};
use super::{
generate::Generate,
sync_down::SyncDown,
sync_up::SyncUp,
update::Update
};
use crate::configuration::Configuration;
pub struct Add;
impl Add {
pub fn new() -> Self {
Add
}
// moves posts to their next
fn shift(&self, configuration: &Configuration) -> Result<()> {
for i in (0..configuration.max_posts).rev() {
let source = configuration.posts_directory.join(i.to_string());
let target = configuration.posts_directory.join((i + 1).to_string());
println!("Moving {} source to {}", source.display(), target.display());
if source.exists() {
match rename(&source, &target) {
Ok(_) => continue,
Err(e) => return Err(Error::new(e.kind(), format!("Could not shift post {} to {}", source.display(), target.display())))
}
}
}
Ok(())
}
}
impl super::Command for Add {
fn before_dependencies(&self) -> Vec<Box<dyn super::Command>> {
vec![Box::new(SyncDown::new())]
}
fn execute(&self, _: Option<&String>, configuration: &Configuration, _: &String) -> Result<()> {
match create_dir_all(&configuration.posts_directory) {
Ok(_) => {
match self.shift(configuration) {
Ok(_) => {
let first_directory = configuration.posts_directory.join("0");
let _ = remove_dir_all(&first_directory);
match create_dir_all(&configuration.posts_directory) {
Ok(_) => Ok(()),
Err(e) => Err(Error::new(e.kind(), format!("Could not create first post directory")))
}
},
Err(e) => Err(e)
}
},
Err(e) => Err(Error::new(e.kind(), format!("Could not create posts directory")))
}
}
fn after_dependencies(&self) -> Vec<Box<dyn super::Command>> {
vec![
Box::new(Update::new()),
Box::new(Generate::new()),
Box::new(SyncUp::new())
]
}
fn command(&self) -> &'static str {
"add"
}
fn help(&self) -> &'static str {
"<path_to_post>\t\t\tCreates new blog post"
}
}
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