Add backend logic to parse `enabledmods.json`

2 files changed, 37 insertions, 3 deletions

diff --git a/src-tauri/src/lib.rs b/src-tauri/src/lib.rs
index d0bc9be2..688d33f6 100644
--- a/src-tauri/src/lib.rs
+++ b/src-tauri/src/lib.rs
@@ -387,3 +387,31 @@ pub fn get_log_list(game_install: GameInstall) -> Result<Vec<std::path::PathBuf>
         Err("No logs found".to_string())
     }
 }
+
+/// Returns a serde json object of the parsed `enabledmods.json` file
+pub fn get_enabled_mods(game_install: GameInstall) -> Result<serde_json::value::Value, String> {
+    let enabledmods_json_path = format!(
+        "{}/R2Northstar/mods/enabledmods.json",
+        game_install.game_path
+    );
+
+    // Check for JSON file
+    if !std::path::Path::new(&enabledmods_json_path).exists() {
+        return Err("enabledmods.json not found".to_string());
+    }
+
+    // Read file
+    let data = match std::fs::read_to_string(enabledmods_json_path) {
+        Ok(data) => data,
+        Err(err) => return Err(err.to_string()),
+    };
+
+    // Parse JSON
+    let res: serde_json::Value = match serde_json::from_str(&data) {
+        Ok(result) => result,
+        Err(err) => return Err(format!("Failed to read JSON due to: {}", err.to_string())),
+    };
+
+    // Return parsed data
+    Ok(res)
+}
diff --git a/src-tauri/src/main.rs b/src-tauri/src/main.rs
index 7c54e630..f75f78c7 100644
--- a/src-tauri/src/main.rs
+++ b/src-tauri/src/main.rs
@@ -12,8 +12,8 @@ use std::{
 use app::{
     check_is_flightcore_outdated, check_is_valid_game_path, check_northstar_running,
     check_origin_running, convert_release_candidate_number, find_game_install_location,
-    get_host_os, get_log_list, get_northstar_version_number, install_northstar, launch_northstar,
-    GameInstall,
+    get_enabled_mods, get_host_os, get_log_list, get_northstar_version_number, install_northstar,
+    launch_northstar, GameInstall,
 };
 
 mod repair_and_verify;
@@ -83,7 +83,8 @@ fn main() {
             launch_northstar_caller,
             check_is_flightcore_outdated_caller,
             get_log_list_caller,
-            verify_game_files_caller
+            verify_game_files_caller,
+            get_enabled_mods_caller
         ])
         .run(tauri::generate_context!())
         .expect("error while running tauri application");
@@ -256,3 +257,8 @@ fn get_log_list_caller(game_install: GameInstall) -> Result<Vec<std::path::PathB
 fn verify_game_files_caller(game_install: GameInstall) -> Result<String, String> {
     verify_game_files(game_install)
 }
+
+#[tauri::command]
+fn get_enabled_mods_caller(game_install: GameInstall) -> Result<serde_json::value::Value, String> {
+    get_enabled_mods(game_install)
+}