1 files changed, 30 insertions, 0 deletions
diff --git a/src/model/difficulty.py b/src/model/difficulty.py
new file mode 100644
index 0000000..595f844
--- /dev/null
+++ b/src/model/difficulty.py
@@ -0,0 +1,30 @@
+from enum import IntEnum
+from typing import Optional
+
+class Difficulty(IntEnum):
+    LOW = 0
+    MEDIUM = 1
+    HIGH = 2
+
+values = [
+    Difficulty.LOW,
+    Difficulty.MEDIUM,
+    Difficulty.HIGH]
+
+def format(difficulty: Difficulty) -> str:
+    if difficulty == Difficulty.LOW:
+        return 'Low'
+    elif difficulty == Difficulty.MEDIUM:
+        return 'Medium'
+    elif difficulty == Difficulty.HIGH:
+        return 'High'
+
+def parse(string: str) -> Optional[Difficulty]:
+    if string == 'Low':
+        return Difficulty.LOW
+    elif string == 'Medium':
+        return Difficulty.MEDIUM
+    elif string == 'High':
+        return Difficulty.HIGH
+    else:
+        return None