osm_to_railjson: Create fake UIC and name for op

Generate a fake UIC code for operational points that don't have one.
We use the UIC code 11 which is not used anywhere.
And we generate a fake name from the UIC code.

Signed-off-by: Simon <sim.gaubert.sg@gmail.com>

Author: SaumonDesMers

editoast/osm_to_railjson/src/utils.rs

@@ -545,13 +545,25 @@ fn identifier(
                 None
             }
         })
-        .unwrap_or_default();
+        .unwrap_or_else(|| {
+            // Generate a fake UIC with code 11
+            static mut UIC_COUNTER: u32 = 0;
+            unsafe {
+                UIC_COUNTER += 1;
+                11_00000 + UIC_COUNTER
+            }
+        });
 
     tags.get("name")
         .map(|name| OperationalPointIdentifierExtension {
             name: name.as_str().into(),
             uic,
         })
+        .or(Some(OperationalPointIdentifierExtension {
+            // Generate a fake name from the UIC
+            name: format!("op_{}", uic).into(),
+            uic,
+        }))
 }
 
 #[cfg(test)]