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use crate::interface::SettingsTrait;
use crate::implementation::{LoadError, StoreError};
use serde::{Serialize, Deserialize};
use std::default::Default;
use std::cell::RefCell;
use mockall_double::double;
#[double]
use crate::interface::SettingsEmitter;
#[derive(Serialize, Deserialize)]
struct SettingsSaveData {
current_profile_index : usize,
settings : SettingsData
}
#[derive(Serialize, Deserialize, Clone)]
struct SettingsData{
clear_generated_password_seconds : Option<u32>,
clear_master_password_seconds : Option<u32>,
hide_generated_password : bool
}
impl Default for SettingsData {
fn default() -> Self {
SettingsData {
clear_generated_password_seconds : Some(60),
clear_master_password_seconds : Some(300),
hide_generated_password : false
}
}
}
pub struct Settings {
emit : SettingsEmitter,
data : RefCell<SettingsData>
}
pub struct SettingLoadResult {
pub settings : Settings,
pub current_profile_index : usize
}
impl Settings {
/// Loads the data from disk and merges them with the current Settings object. Only use during startup, as it does NOT emit.
pub(super) fn load(&self) -> Result<SettingLoadResult, LoadError>{
super::super::get_config_folder()
.map(|p| p.join("settings"))
.ok_or(LoadError::Xdg)
.and_then(|p| std::fs::read_to_string(p).map_err(Into::into))
.and_then(|s| toml::from_str(&s).map_err(Into::into))
.map(|sd| self.merge_with_loaded_data_no_emit(sd))
}
pub(super) fn store(&self, current_profile_index : usize) -> Result<(), StoreError>{
toml::to_string(&SettingsSaveData{current_profile_index, settings : self.data.borrow().clone()})
.map_err(Into::into)
.and_then(|s| Self::write_serialized_settings_data(&s))
}
///Private. Should only be used during load().
fn merge_with_loaded_data_no_emit(&self, save_data: SettingsSaveData) -> SettingLoadResult {
SettingLoadResult {
settings : Settings { emit : self.emit.clone(), data : RefCell::new(save_data.settings) },
current_profile_index : save_data.current_profile_index
}
}
fn write_serialized_settings_data(data : &str) -> Result<(), StoreError> {
super::super::get_config_folder()
.ok_or(StoreError::Xdg)
.and_then(|p| std::fs::create_dir_all(p.clone()).map_err(Into::into).map(|()| p))
.map(|p| p.join("settings"))
.and_then(|f| std::fs::write(f, data).map_err(Into::into))
}
}
impl SettingsTrait for Settings {
fn new(emit: SettingsEmitter) -> Self {
Settings {emit, data : RefCell::new(SettingsData::default())}
}
fn emit(&self) -> &SettingsEmitter{
&self.emit
}
fn clear_generated_password_seconds(&self) -> Option<u32> {
self.data.borrow().clear_generated_password_seconds
}
fn set_clear_generated_password_seconds(&self, value: Option<u32>) {
let changed = self.data.borrow().clear_generated_password_seconds != value;
self.data.borrow_mut().clear_generated_password_seconds = value;
if changed {
self.emit().clear_generated_password_seconds_changed();
}
}
fn clear_master_password_seconds(&self) -> Option<u32> {
self.data.borrow().clear_master_password_seconds
}
fn set_clear_master_password_seconds(&self, value: Option<u32>) {
let changed = self.data.borrow().clear_master_password_seconds != value;
self.data.borrow_mut().clear_master_password_seconds = value;
if changed {
self.emit().clear_master_password_seconds_changed();
}
}
fn hide_generated_password(&self) -> bool {
self.data.borrow().hide_generated_password
}
fn set_hide_generated_password(&self, value: bool) {
let changed = {
let mut v = self.data.borrow_mut();
let changed = v.hide_generated_password != value;
v.hide_generated_password = value;
changed
};
if changed {
self.emit().hide_generated_password_changed();
}
}
}
#[cfg(test)]
mod settings_test{
use super::*;
#[test]
fn merge_with_loaded_data_test(){
let mut emit = SettingsEmitter::new();
emit.expect_clone().return_once(||{
let mut e2 = SettingsEmitter::new();
e2.expect_clone().never();
e2.expect_clear_generated_password_seconds_changed().never();
e2.expect_clear_master_password_seconds_changed().never();
e2.expect_hide_generated_password_changed().never();
e2
}).once();
emit.expect_clear_generated_password_seconds_changed().never();
emit.expect_clear_master_password_seconds_changed().never();
emit.expect_hide_generated_password_changed().never();
let old_settings = Settings {
emit,
data: RefCell::new(SettingsData::default()),
};
let save_data = SettingsSaveData{
current_profile_index: 2,
settings: SettingsData {
clear_generated_password_seconds: Some(600),
clear_master_password_seconds: None,
hide_generated_password: true
},
};
let result = old_settings.merge_with_loaded_data_no_emit(save_data);
assert_eq!(result.current_profile_index, 2);
assert_eq!(result.settings.data.borrow().clear_generated_password_seconds, Some(600));
assert_eq!(result.settings.data.borrow().clear_master_password_seconds, None);
assert_eq!(result.settings.data.borrow().hide_generated_password, true);
}
}
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