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🧹 Refactor register_notification to improve maintainability #334

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🧹 Refactor register_notification to improve maintainability #334

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169 changes: 91 additions & 78 deletions stdlib/src/notification.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -7,89 +7,102 @@ use techscript_runtime::{
value::RuntimeValue,
};

impl StdlibRegistry {
pub fn register_notification(&mut self) {
let mut exports: HashMap<String, Rc<dyn techscript_runtime::function::Callable>> =
HashMap::new();
fn show_fn() -> Rc<dyn techscript_runtime::function::Callable> {
Rc::new(StdFunction {
name: "show".to_string(),
arity: 2,
callback: |ctx, args| {
if !ctx.config.capabilities.contains(&Capability::Process) {
return Err(RuntimeError::new(
RuntimeErrorKind::InvalidOperation(
"Security policy violation: Process capability is denied".to_string(),
),
None,
None,
));
}
let title = args[0].to_string();
let body = args[1].to_string();
#[cfg(target_os = "windows")]
{
use base64::Engine;
use std::process::Command;

exports.insert(
"show".to_string(),
Rc::new(StdFunction {
name: "show".to_string(),
arity: 2,
callback: |ctx, args| {
if !ctx.config.capabilities.contains(&Capability::Process) {
return Err(RuntimeError::new(
RuntimeErrorKind::InvalidOperation(
"Security policy violation: Process capability is denied"
.to_string(),
),
None,
None,
));
}
let title = args[0].to_string();
let body = args[1].to_string();
#[cfg(target_os = "windows")]
{
use base64::Engine;
use std::process::Command;
let b64_title = base64::engine::general_purpose::STANDARD.encode(
title
.encode_utf16()
.flat_map(|c| c.to_le_bytes())
.collect::<Vec<u8>>(),
);
let b64_body = base64::engine::general_purpose::STANDARD.encode(
body.encode_utf16()
.flat_map(|c| c.to_le_bytes())
.collect::<Vec<u8>>(),
);

let b64_title = base64::engine::general_purpose::STANDARD.encode(title.encode_utf16().flat_map(|c| c.to_le_bytes()).collect::<Vec<u8>>());
let b64_body = base64::engine::general_purpose::STANDARD.encode(body.encode_utf16().flat_map(|c| c.to_le_bytes()).collect::<Vec<u8>>());
let script = format!(
"Add-Type -AssemblyName PresentationFramework; [System.Windows.MessageBox]::Show([System.Text.Encoding]::Unicode.GetString([System.Convert]::FromBase64String('{}')), [System.Text.Encoding]::Unicode.GetString([System.Convert]::FromBase64String('{}')))",
b64_body, b64_title
);
let b64_script = base64::engine::general_purpose::STANDARD.encode(
script
.encode_utf16()
.flat_map(|c| c.to_le_bytes())
.collect::<Vec<u8>>(),
);

let script = format!(
"Add-Type -AssemblyName PresentationFramework; [System.Windows.MessageBox]::Show([System.Text.Encoding]::Unicode.GetString([System.Convert]::FromBase64String('{}')), [System.Text.Encoding]::Unicode.GetString([System.Convert]::FromBase64String('{}')))",
b64_body, b64_title
);
let b64_script = base64::engine::general_purpose::STANDARD.encode(script.encode_utf16().flat_map(|c| c.to_le_bytes()).collect::<Vec<u8>>());
let _ = Command::new("powershell")
.args(["-EncodedCommand", &b64_script])
.spawn();
}
#[cfg(not(target_os = "windows"))]
{
let _ = std::process::Command::new("notify-send")
.args([&title, &body])
.spawn();
}
Ok(RuntimeValue::Null)
},
})
}

let _ = Command::new("powershell")
.args(["-EncodedCommand", &b64_script])
.spawn();
}
#[cfg(not(target_os = "windows"))]
{
let _ = std::process::Command::new("notify-send")
.args([&title, &body])
.spawn();
}
Ok(RuntimeValue::Null)
},
}),
);
fn alert_fn() -> Rc<dyn techscript_runtime::function::Callable> {
Rc::new(StdFunction {
name: "alert".to_string(),
arity: 1,
callback: |ctx, args| {
if !ctx.config.capabilities.contains(&Capability::Process) {
return Err(RuntimeError::new(
RuntimeErrorKind::InvalidOperation(
"Security policy violation: Process capability is denied".to_string(),
),
None,
None,
));
}
let msg = args[0].to_string();
#[cfg(target_os = "windows")]
{
let _ = std::process::Command::new("msg").args(["*", &msg]).spawn();
}
#[cfg(not(target_os = "windows"))]
{
let _ = std::process::Command::new("notify-send")
.args(["Alert", &msg])
.spawn();
}
Ok(RuntimeValue::Null)
},
})
}

exports.insert(
"alert".to_string(),
Rc::new(StdFunction {
name: "alert".to_string(),
arity: 1,
callback: |ctx, args| {
if !ctx.config.capabilities.contains(&Capability::Process) {
return Err(RuntimeError::new(
RuntimeErrorKind::InvalidOperation(
"Security policy violation: Process capability is denied"
.to_string(),
),
None,
None,
));
}
let msg = args[0].to_string();
#[cfg(target_os = "windows")]
{
let _ = std::process::Command::new("msg").args(["*", &msg]).spawn();
}
#[cfg(not(target_os = "windows"))]
{
let _ = std::process::Command::new("notify-send")
.args(["Alert", &msg])
.spawn();
}
Ok(RuntimeValue::Null)
},
}),
);
impl StdlibRegistry {
pub fn register_notification(&mut self) {
let mut exports: HashMap<String, Rc<dyn techscript_runtime::function::Callable>> =
HashMap::new();

exports.insert("show".to_string(), show_fn());
exports.insert("alert".to_string(), alert_fn());

self.register_module(
"std.notification",
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