👌 Show alert with what will be rolled back

phpmon/Domain/Menu/MainMenu+Actions.swift

@@ -145,7 +145,7 @@ extension MainMenu {
         }
     }
 
-    @objc func rollbackPreset() {
+    private func performRollback() {
         asyncExecution {
             PresetHelper.rollbackPreset?.apply()
             PresetHelper.rollbackPreset = nil
@@ -153,6 +153,24 @@ extension MainMenu {
         }
     }
 
+    @objc func rollbackPreset() {
+        guard let preset = PresetHelper.rollbackPreset else {
+            return
+        }
+
+        BetterAlert().withInformation(
+            title: "alert.revert_description.title".localized,
+            subtitle: "alert.revert_description.subtitle".localized(
+                preset.textDescription
+            )
+        )
+        .withPrimary(text: "alert.revert_description.ok".localized, action: { _ in
+            self.performRollback()
+        })
+        .withSecondary(text: "alert.revert_description.cancel".localized)
+        .show()
+    }
+
     @objc func togglePreset(sender: PresetMenuItem) {
         asyncExecution {
             sender.preset?.apply()

phpmon/Domain/Presets/Preset.swift

@@ -21,6 +21,32 @@ struct Preset: Codable {
              configuration = "configuration"
     }
 
+    var textDescription: String {
+        var text = ""
+
+        if self.version != nil {
+            text += "Switches to PHP \(self.version!).\n"
+        }
+
+        if !self.extensions.isEmpty {
+            text += "\nApplies the following extensions:\n"
+        }
+
+        for (ext, extValue) in self.extensions {
+            text += "• \(ext): \(extValue ? "enabled" : "disabled") \n"
+        }
+
+        if !self.configuration.isEmpty {
+            text += "\nApplies the following configuration values:\n"
+        }
+
+        for (key, value) in self.configuration {
+            text += "• \(key)=\(value ?? "(empty)") \n"
+        }
+
+        return text
+    }
+
     // MARK: Applying
 
     /**