fix(macos): create tunarr data directory on first run if not exists

macos/Tunarr/Tunarr/AppDelegate.swift

@@ -11,18 +11,27 @@ import SwiftUI
 
 class AppDelegate: NSObject, NSApplicationDelegate {
     let bundle = Bundle.main
-    let logger = Logger(subsystem: Bundle.main.bundleIdentifier!, category: "Tunarr Subprocess")
+    let logger = Logger(
+        subsystem: Bundle.main.bundleIdentifier!,
+        category: "Tunarr Subprocess"
+    )
     var task = Process()
 
     func applicationDidFinishLaunching(_ notification: Notification) {
-        guard let executablePath = Bundle.main.url(forAuxiliaryExecutable: "tunarr-macos")
+        guard
+            let executablePath = Bundle.main.url(
+                forAuxiliaryExecutable: "tunarr-macos"
+            )
         else {
             /// TODO: Do a popup here.
             logger.error("Error: Bundled executable 'tunarr-macos' not found.")
             return
         }
 
-        guard let meilisearchPath = Bundle.main.url(forAuxiliaryExecutable: "meilisearch")
+        guard
+            let meilisearchPath = Bundle.main.url(
+                forAuxiliaryExecutable: "meilisearch"
+            )
         else {
             logger.error("Error: Bundled executable 'meilisearch' not found")
             return
@@ -31,12 +40,20 @@ class AppDelegate: NSObject, NSApplicationDelegate {
         task.executableURL = executablePath
         var env = ProcessInfo.processInfo.environment
         env["TUNARR_MEILISEARCH_PATH"] = meilisearchPath.absoluteURL.path()
-        task.currentDirectoryURL = FileManager.default
+        let tunarrDataDir = FileManager.default
             .homeDirectoryForCurrentUser
             .appendingPathComponent(
                 "Library"
             ).appendingPathComponent("Preferences")
             .appendingPathComponent("tunarr")
+
+        let dirCreateResult = createDirectoryIfNeeded(path: tunarrDataDir)
+        if !dirCreateResult {
+            logger.error("Failure creating or location Tunarr data directory.")
+            return
+        }
+
+        task.currentDirectoryURL = tunarrDataDir
         task.environment = env
         logger.info("\(env, privacy: .public)")
 
@@ -58,7 +75,9 @@ class AppDelegate: NSObject, NSApplicationDelegate {
 
             logger.info("Successfully started Tunarr subprocess.")
         } catch {
-            logger.error("Could not launch Tunarr. Reason: \(error, privacy: .public)")
+            logger.error(
+                "Could not launch Tunarr. Reason: \(error, privacy: .public)"
+            )
         }
     }
 
@@ -67,4 +86,39 @@ class AppDelegate: NSObject, NSApplicationDelegate {
         task.terminate()
         task.waitUntilExit()
     }
+
+    func createDirectoryIfNeeded(path: URL) -> Bool {
+        let fileManager = FileManager.default
+        var isDirectory: ObjCBool = false
+        if fileManager.fileExists(
+            atPath: path.path(),
+            isDirectory: &isDirectory
+        ) {
+            if isDirectory.boolValue {
+                return true
+            } else {
+                logger.error(
+                    "Expected a directory at \(path) but found a file. Delete this file and create a directory with the same name"
+                )
+                return false
+            }
+        }
+
+        do {
+            try fileManager.createDirectory(
+                atPath: path.path(),
+                withIntermediateDirectories: true,
+                attributes: nil
+            )
+            logger.debug(
+                "Successfully created Tunarr data directory at \(path.path())"
+            )
+            return true
+        } catch {
+            logger.error(
+                "Error creating Tunarr data directory at \(path.path()): \(error.localizedDescription)"
+            )
+            return false
+        }
+    }
 }