termscp/src/support.rs
2021-09-28 12:44:51 +02:00

122 lines
4 KiB
Rust

//! ## Support
//!
//! this module exposes some extra run modes for termscp, meant to be used for "support", such as installing themes
/**
* MIT License
*
* termscp - Copyright (c) 2021 Christian Visintin
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
// mod
use crate::system::{
auto_update::{Update, UpdateStatus},
config_client::ConfigClient,
environment,
notifications::Notification,
theme_provider::ThemeProvider,
};
use std::fs;
use std::path::{Path, PathBuf};
/// ### import_theme
///
/// Import theme at provided path into termscp
pub fn import_theme(p: &Path) -> Result<(), String> {
if !p.exists() {
return Err(String::from(
"Could not import theme: No such file or directory",
));
}
// Validate theme file
ThemeProvider::new(p).map_err(|e| format!("Invalid theme error: {}", e))?;
// get config dir
let cfg_dir: PathBuf = get_config_dir()?;
// Get theme directory
let theme_file: PathBuf = environment::get_theme_path(cfg_dir.as_path());
// Copy theme to theme_dir
fs::copy(p, theme_file.as_path())
.map(|_| ())
.map_err(|e| format!("Could not import theme: {}", e))
}
/// ### install_update
///
/// Install latest version of termscp if an update is available
pub fn install_update() -> Result<String, String> {
match Update::default()
.show_progress(true)
.ask_confirm(true)
.upgrade()
{
Ok(UpdateStatus::AlreadyUptodate) => Ok("termscp is already up to date".to_string()),
Ok(UpdateStatus::UpdateInstalled(v)) => {
if get_config_client()
.map(|x| x.get_notifications())
.unwrap_or(true)
{
Notification::update_installed(v.as_str());
}
Ok(format!("termscp has been updated to version {}", v))
}
Err(err) => {
if get_config_client()
.map(|x| x.get_notifications())
.unwrap_or(true)
{
Notification::update_failed(err.to_string());
}
Err(err.to_string())
}
}
}
/// ### get_config_dir
///
/// Get configuration directory
fn get_config_dir() -> Result<PathBuf, String> {
match environment::init_config_dir() {
Ok(Some(config_dir)) => Ok(config_dir),
Ok(None) => Err(String::from(
"Your system doesn't provide a configuration directory",
)),
Err(err) => Err(format!(
"Could not initialize configuration directory: {}",
err
)),
}
}
/// ### get_config_client
///
/// Get configuration client
fn get_config_client() -> Option<ConfigClient> {
match get_config_dir() {
Err(_) => None,
Ok(dir) => {
let (cfg_path, ssh_key_dir) = environment::get_config_paths(dir.as_path());
match ConfigClient::new(cfg_path.as_path(), ssh_key_dir.as_path()) {
Err(_) => None,
Ok(c) => Some(c),
}
}
}
}