Add strategy id generation utils

Author: MDUYN

investing_algorithm_framework/app/analysis/strategy_id.py

@@ -0,0 +1,40 @@
+import hashlib
+from typing import Dict
+import json
+
+
+def generate_strategy_id(params: Dict, post_fix=None, pre_fix=None) -> str:
+    """
+    Generate a short, consistent unique id for the given params.
+    The id will always be the same for the same params.
+
+    Args:
+        params (Dict): Strategy parameters (must be JSON serializable).
+            You can optionally pass 'length' to control ID length.
+        post_fix (str, optional): String to append to the end of the ID.
+        pre_fix (str, optional): String to prepend to the start of the ID.
+
+    Returns:
+        str: A deterministic unique identifier for the strategy.
+    """
+    length = params.get("length", 8)
+
+    # Remove "length" if present so it doesn't affect the hash
+    clean_params = {k: v for k, v in params.items() if k != "length"}
+
+    # Create a canonical string representation (sorted keys)
+    params_str = json.dumps(clean_params, sort_keys=True)
+
+    # Hash the params string
+    hash_digest = hashlib.sha256(params_str.encode("utf-8")).hexdigest()
+
+    # Return shortened hash
+    result = hash_digest[:length]
+
+    if post_fix:
+        result = result + post_fix
+
+    if pre_fix:
+        result = pre_fix + result
+
+    return result