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

   1 use std::fs::{create_dir_all, remove_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 - 1).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 target.exists() {
  31                 remove_dir_all(&target)?;
  32             }
  33             if source.exists() {
  34                 rename(&source, &target)?;
  35             }
  36         }
  37         Ok(())
  38     }
  39
  40     fn after_dependencies(&self) -> Vec<Box<dyn super::Command>> {
  41         vec![
  42             Box::new(Update::new()),
  43             Box::new(Generate::new()),
  44             Box::new(SyncUp::new())
  45         ]
  46     }
  47
  48     fn command(&self) -> &'static str {
  49         "add"
  50     }
  51
  52     fn help(&self) -> &'static str {
  53         "<path_to_post>\t\t\tCreates new blog post"
  54     }
  55 }