pusher 0.4.5

The Rust library for interacting with the Pusher HTTP API.
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use regex::Regex;

pub fn validate_channels(channels: &Vec<String>) -> Result<bool, String> {
    if channels.len() > 10 {
        return Err("Cannot trigger on more than 10 channels".to_string());
    }

    let channel_regex = Regex::new(r"^[-a-zA-Z0-9_=@,.;]+$").unwrap(); // how to make this global?

    for channel in channels {
        if channel.len() > 200 {
            return Err("Channel names must be under 200 characters".to_string());
        }
        if !channel_regex.is_match(channel) {
            return Err("Channels must be formatted as such: ^[-a-zA-Z0-9_=@,.;]+$".to_string());
        }
    }
    Ok(true)
}