git.r.bdr.sh - rbdr/blog/blob - src/command/add.rs

   1 use std::fs::{create_dir_all, rename};
   2 use std::io::Result;
   3 use super::{
   4     generate::Generate,
   5     sync_down::SyncDown,
   6     sync_up::SyncUp,
   7     update::Update
   8 };
   9 use crate::configuration::Configuration;
  10
  11 pub struct Add;
  12
  13 impl Add {
  14     pub fn new() -> Self {
  15         Add
  16     }
  17 }
  18
  19 impl super::Command for Add {
  20     fn before_dependencies(&self) -> Vec<Box<dyn super::Command>> {
  21         vec![Box::new(SyncDown::new())]
  22     }
  23
  24     fn execute(&self, _: Option<&String>, configuration: &Configuration, _: &String) -> Result<()> {
  25         create_dir_all(&configuration.posts_directory)?;
  26         for i in (0..configuration.max_posts).rev() {
  27             let source = configuration.posts_directory.join(i.to_string());
  28             let target = configuration.posts_directory.join((i + 1).to_string());
  29
  30             if source.exists() {
  31                 rename(&source, &target)?;
  32             }
  33         }
  34         Ok(())
  35     }
  36
  37     fn after_dependencies(&self) -> Vec<Box<dyn super::Command>> {
  38         vec![
  39             Box::new(Update::new()),
  40             Box::new(Generate::new()),
  41             Box::new(SyncUp::new())
  42         ]
  43     }
  44
  45     fn command(&self) -> &'static str {
  46         "add"
  47     }
  48
  49     fn help(&self) -> &'static str {
  50         "<path_to_post>\t\t\tCreates new blog post"
  51     }
  52 }