Add fallback mechanism to recompile simulation executable if prerequisites are not met

- Updated `run_simulation` and `run_simulation_stream` endpoints to attempt recompilation if prerequisites are not met.
- Updated CHANGELOG.md to document the changes.

Author: MirkoZETA

CHANGELOG.md

@@ -14,6 +14,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Comprehensive unit tests for parameter validation in simulation requests
 - Better validation error messages for all simulation parameters
 - Helper methods for test assertions to improve code readability
+- Added fallback mechanism to recompile the simulation executable if prerequisites are not met in both `/run_simulation` and `/run_simulation_stream` endpoints.
 
 ### Changed
 - Enhanced test coverage for the helpers module

backend.py

@@ -27,6 +27,7 @@ def run_simulation():
   # Validate prerequisites
   is_valid, error_response = validate_simulation_prerequisites()
   if not is_valid:
+    compile_simulation(True)
     return error_response
 
   try:
@@ -89,6 +90,7 @@ def run_simulation_stream():
   # Validate prerequisites
   is_valid, error_response = validate_simulation_prerequisites()
   if not is_valid:
+    compile_simulation(True)
     return error_response
 
   try:

utils/helpers.py

@@ -42,7 +42,7 @@ def compile_simulation(debug=False):
     return False
 
   if debug: COMPILE_ERROR = None
-  logger.info("Simulation compiled successfully")
+  logger.info("File compiled successfully")
   return True
 
 def validate_simulation_prerequisites():