feat: add backend for template launching

src-tauri/src/database/db.rs

@@ -54,6 +54,10 @@ pub enum ApplicationTransientStatus {
     Running {},
 }
 
+fn default_template() -> String {
+    "{}".to_owned()
+}
+
 #[derive(Serialize, Deserialize, Clone, Debug)]
 #[serde(rename_all = "camelCase")]
 pub struct GameVersion {
@@ -64,9 +68,14 @@ pub struct GameVersion {
 
     pub launch_command: String,
     pub launch_args: Vec<String>,
+    #[serde(default = "default_template")]
+    pub launch_command_template: String,
 
     pub setup_command: String,
     pub setup_args: Vec<String>,
+    #[serde(default = "default_template")]
+    pub setup_command_template: String,
+
 
     pub only_setup: bool,
 

src-tauri/src/error/process_error.rs

@@ -11,6 +11,7 @@ pub enum ProcessError {
     InvalidID,
     InvalidVersion,
     IOError(Error),
+    FormatError(String), // String errors supremacy
     InvalidPlatform,
 }
 
@@ -25,6 +26,7 @@ impl Display for ProcessError {
             ProcessError::InvalidVersion => "Invalid Game version",
             ProcessError::IOError(error) => &error.to_string(),
             ProcessError::InvalidPlatform => "This Game cannot be played on the current platform",
+            ProcessError::FormatError(e) => &format!("Failed to format template: {}", e),
         };
         write!(f, "{}", s)
     }

src-tauri/src/process/process_manager.rs

@@ -9,6 +9,8 @@ use std::{
     thread::spawn,
 };
 
+use dynfmt::Format;
+use dynfmt::SimpleCurlyFormat;
 use log::{debug, info, warn};
 use serde::{Deserialize, Serialize};
 use shared_child::SharedChild;
@@ -259,6 +261,11 @@ impl ProcessManager<'_> {
             install_dir,
         );
 
+        let launch_string = SimpleCurlyFormat
+            .format(&game_version.launch_command_template, &[launch_string])
+            .map_err(|e| ProcessError::FormatError(e.to_string()))?
+            .to_string();
+
         info!("launching process {} in {}", launch_string, install_dir);
 
         #[cfg(target_os = "windows")]