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use crate::errors::{KeywordMaxCapacity, KeywordMinCapacity};
use std::fmt::{Display, Formatter, Result};
#[derive(Clone, Eq, PartialEq, Ord, PartialOrd, Hash, Debug, Default)]
pub struct Keywords {
pub keywords: Vec<&'static str>,
}
impl Keywords {
pub fn new(keywords: Vec<&'static str>) -> Self {
Self {
keywords: check_keywords(keywords),
}
}
}
impl From<&'static str> for Keywords {
fn from(item: &'static str) -> Self {
Self {
keywords: check_keywords(item.split(',').collect()),
}
}
}
fn check_keywords(keys: Vec<&'static str>) -> Vec<&'static str> {
if keys.is_empty() {
Err(KeywordMinCapacity).unwrap()
}
if keys.len() > 5 {
Err(KeywordMaxCapacity).unwrap()
}
keys
}
impl Display for Keywords {
fn fmt(&self, f: &mut Formatter) -> Result {
write!(f, "{:#?}", self.keywords)
}
}