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use std::{
collections::HashMap,
fmt::{Display, Write},
};
pub struct Item {
fields: HashMap<String, String>,
}
impl Item {
pub fn builder() -> Self { Self { fields: HashMap::new() } }
pub fn add_field(&mut self, key: &str, value: &str) -> &mut Self {
self.fields.insert(key.to_string(), value.to_string());
self
}
}
impl Display for Item {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(
f,
"<item>{}</item>",
self.fields.iter().fold(String::new(), |mut acc, (k, v)| {
let _ = write!(acc, "<{k}>{v}</{k}>");
acc
})
)
}
}
#[derive(Clone)]
pub struct Writer {
content: String,
fields: HashMap<String, String>,
link: String,
}
impl Writer {
pub fn builder() -> Self {
Self {
content: String::new(),
fields: HashMap::default(),
link: String::new(),
}
}
pub fn add_link(&mut self, link: &str) -> &mut Self {
self.link = link.to_string();
self
}
pub fn add_field(&mut self, key: &str, value: &str) -> &mut Self {
self.fields.insert(key.to_string(), value.to_string());
self
}
pub fn add_item(&mut self, item: &Item) -> &mut Self {
self.content.push_str(&item.to_string());
self
}
}
impl Display for Writer {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(
f,
"<?xml version=\"1.0\" encoding=\"UTF-8\"?><rss xmlns:atom=\"http://www.w3.org/2005/Atom\" \
version=\"2.0\"><channel>{}<atom:link href=\"{}\" rel=\"self\" \
type=\"application/rss+xml\" />{}</channel></rss>",
self.fields.iter().fold(String::new(), |mut acc, (k, v)| {
let _ = write!(acc, "<{k}>{v}</{k}>");
acc
}),
self.link,
self.content
)
}
}
|