Function load_mask_data

src/utils/mask.rs:29–46

Load and parse the mask.json file

()

/// Load and parse the mask.json file
pub fn load_mask_data() -> Result<(), Error> {
    let mask_path = "data/mask.json";
    
    // Check if file exists
    if !std::path::Path::new(mask_path).exists() {
        return Err(anyhow!("Mask data file not found: {}", mask_path));
    }
    
    // Read and parse the JSON
    let mask_json = fs::read_to_string(mask_path)?;
    let mask_data: MaskData = serde_json::from_str(&mask_json)?;
    
    // Store in the global variable
    let mut data = MASK_DATA.write().unwrap();
    *data = Some(mask_data);
    
    Ok(())
}

/// Get countries that match a given mask pattern
pub fn get_countries_for_mask(mask_pattern: &str) -> Result<Vec<String>, Error> {