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// Copyright (c) 2015-2016 Chris Palmer <pennstate5013@gmail.com>
// Use of this source code is governed by the LGPLv3 license that can be
// found in the LICENSE file.
//! The fields under item can be retrieved by using the methods under `Item`.
use chrono::*;
use channels::{Category, Enclosure, Guid, Item, Source};
use url::Url;
impl Item {
/// Get the optional title that exists under `Item`.
///
/// # Examples
///
/// ```
/// use feed::channels::ItemBuilder;
///
/// let title_string = "Making Music with Linux | LAS 408".to_owned();
/// let item = ItemBuilder::new()
/// .title(Some(title_string.clone()))
/// .finalize();
/// let title_option = item.title();
/// assert!(title_option.is_some());
/// let title = title_option.unwrap();
/// assert_eq!(title_string.clone(), title);
/// ```
///
/// ```
/// use feed::channels::ItemBuilder;
///
/// let item = ItemBuilder::new()
/// .title(None)
/// .description(Some("A Test Description".to_owned()))
/// .finalize();
/// assert!(item.title().is_none());
/// ```
pub fn title(&self) -> Option<String> {
self.title.clone()
}
/// Get the optional link that exists under `Item`.
///
/// # Examples
///
/// ```
/// use feed::channels::ItemBuilder;
///
/// let link_string = "http://www.jupiterbroadcasting.com/".to_owned();
/// let item = ItemBuilder::new()
/// .title(Some("Making Music with Linux | LAS 408".to_owned()))
/// .link(Some(link_string.clone()))
/// .finalize();
/// let link_option = item.link();
/// assert!(link_option.is_some());
///
/// let link = link_option.unwrap();
/// assert_eq!(link_string.clone(), link.into_string());
/// ```
///
/// ```
/// use feed::channels::ItemBuilder;
///
/// let item = ItemBuilder::new()
/// .title(Some("Making Music with Linux | LAS 408".to_owned()))
/// .link(None)
/// .finalize();
/// assert!(item.link().is_none());
/// ```
pub fn link(&self) -> Option<Url> {
self.link.clone()
}
/// Get the optional description that exists under `Item`.
///
/// # Examples
///
/// ```
/// use feed::channels::ItemBuilder;
///
/// let description_string = "This is a test description".to_owned();
/// let item = ItemBuilder::new()
/// .title(Some("Making Music with Linux | LAS 408".to_owned()))
/// .description(Some(description_string.clone()))
/// .finalize();
/// let description_option = item.description();
/// assert!(description_option.is_some());
/// let description = description_option.unwrap();
/// assert_eq!(description_string.clone(), description);
/// ```
///
/// ```
/// use feed::channels::ItemBuilder;
///
/// let item = ItemBuilder::new()
/// .title(Some("Making Music with Linux | LAS 408".to_owned()))
/// .description(None)
/// .finalize();
/// assert!(item.description().is_none());
/// ```
pub fn description(&self) -> Option<String> {
self.description.clone()
}
/// Get the optional author that exists under `Item`.
///
/// # Examples
///
/// ```
/// use feed::channels::ItemBuilder;
///
/// let author_string = "Chris Fisher".to_owned();
/// let item = ItemBuilder::new()
/// .title(Some("Making Music with Linux | LAS 408".to_owned()))
/// .author(Some(author_string.clone()))
/// .finalize();
/// let author_option = item.author();
/// assert!(author_option.is_some());
/// let author = author_option.unwrap();
/// assert_eq!(author_string.clone(), author);
/// ```
///
/// ```
/// use feed::channels::ItemBuilder;
///
/// let item = ItemBuilder::new()
/// .title(Some("Making Music with Linux | LAS 408".to_owned()))
/// .author(None)
/// .finalize();
/// assert!(item.author().is_none());
/// ```
pub fn author(&self) -> Option<String> {
self.author.clone()
}
/// Get the optional categories that exists under `Item`.
///
/// # Examples
///
/// ```
/// use feed::channels::{CategoryBuilder, ItemBuilder};
///
/// let category_1 = CategoryBuilder::new()
/// .domain(None)
/// .name("Media")
/// .finalize();
/// let category_2 = CategoryBuilder::new()
/// .domain(Some("http://jupiterbroadcasting.com".to_owned()))
/// .name("Podcast")
/// .finalize();
/// let categories_vec = vec![category_1, category_2];
/// let item = ItemBuilder::new()
/// .title(Some("Making Music with Linux | LAS 408".to_owned()))
/// .categories(Some(categories_vec.clone()))
/// .finalize();
/// let categories_option = item.categories();
/// assert!(categories_option.is_some());
/// let categories = categories_option.unwrap();
/// assert_eq!(categories_vec.clone().len(), categories.len());
/// ```
///
/// ```
/// use feed::channels::ItemBuilder;
///
/// let item = ItemBuilder::new()
/// .title(Some("Making Music with Linux | LAS 408".to_owned()))
/// .categories(None)
/// .finalize();
/// assert!(item.categories().is_none());
/// ```
pub fn categories(&self) -> Option<Vec<Category>> {
self.categories.clone()
}
/// Get the optional comments that exists under `Item`.
///
/// # Examples
///
/// ```
/// use feed::channels::ItemBuilder;
///
/// let comments_string = "http://example.com/comments".to_owned();
/// let item = ItemBuilder::new()
/// .title(Some("Making Music with Linux | LAS 408".to_owned()))
/// .comments(Some(comments_string.clone()))
/// .finalize();
///
/// let comments_option = item.comments();
/// assert!(comments_option.is_some());
///
/// let comments = comments_option.unwrap();
/// assert_eq!(comments_string.clone(), comments.into_string());
/// ```
///
/// ```
/// use feed::channels::ItemBuilder;
///
/// let item = ItemBuilder::new()
/// .title(Some("Making Music with Linux | LAS 408".to_owned()))
/// .comments(None)
/// .finalize();
/// assert!(item.comments().is_none());
/// ```
pub fn comments(&self) -> Option<Url> {
self.comments.clone()
}
/// Get the optional enclosure that exists under `Item`.
///
/// # Examples
///
/// ```
/// use feed::channels::{EnclosureBuilder, ItemBuilder};
///
/// let url = "http://www.podtrac.com/pts/redirect.ogg/".to_owned()
/// + "traffic.libsyn.com/jnite/linuxactionshowep408.ogg";
///
/// let enclosure = EnclosureBuilder::new()
/// .url(url.as_ref())
/// .length(70772893)
/// .mime_type("audio/ogg")
/// .finalize();
///
/// let item = ItemBuilder::new()
/// .title(Some("Making Music with Linux | LAS 408".to_owned()))
/// .enclosure(Some(enclosure))
/// .finalize();
///
/// assert!(item.enclosure().is_some());
/// ```
///
/// ```
/// use feed::channels::ItemBuilder;
///
/// let item = ItemBuilder::new()
/// .title(Some("Making Music with Linux | LAS 408".to_owned()))
/// .enclosure(None)
/// .finalize();
/// assert!(item.enclosure().is_none());
/// ```
pub fn enclosure(&self) -> Option<Enclosure> {
self.enclosure.clone()
}
/// Get the optional guid that exists under `Item`.
///
/// # Examples
///
/// ```
/// use feed::channels::{GuidBuilder, ItemBuilder};
///
/// let guid = GuidBuilder::new()
/// .value("9DE46946-2F90-4D5D-9047-7E9165C16E7C")
/// .permalink(None)
/// .finalize();
///
/// let item = ItemBuilder::new()
/// .title(Some("Making Music with Linux | LAS 408".to_owned()))
/// .guid(Some(guid))
/// .finalize();
/// assert!(item.guid().is_some())
/// ```
///
/// ```
/// use feed::channels::ItemBuilder;
///
/// let item = ItemBuilder::new()
/// .title(Some("Making Music with Linux | LAS 408".to_owned()))
/// .guid(None)
/// .finalize();
/// assert!(item.guid().is_none());
/// ```
pub fn guid(&self) -> Option<Guid> {
self.guid.clone()
}
/// Get the optional pub date that exists under `Item`.
///
/// # Examples
///
/// ```
/// use feed::channels::ItemBuilder;
///
/// let pub_date = "Sun, 13 Mar 2016 20:02:02 -0700";
///
/// let item = ItemBuilder::new()
/// .title(Some("Making Music with Linux | LAS 408".to_owned()))
/// .pub_date(Some(pub_date.to_owned()))
/// .finalize();
///
/// let local = item.pub_date();
/// assert!(local.is_some());
///
/// let local_result = local.unwrap();
/// assert_eq!(pub_date.to_owned(), local_result.to_rfc2822());
/// ```
///
/// ```
/// use feed::channels::ItemBuilder;
///
/// let item = ItemBuilder::new()
/// .title(Some("Making Music with Linux | LAS 408".to_owned()))
/// .pub_date(None)
/// .finalize();
/// assert!(item.pub_date().is_none());
/// ```
pub fn pub_date(&self) -> Option<DateTime<FixedOffset>> {
self.pub_date
}
/// Get the optional source that exists under `Item`.
///
/// # Examples
///
/// ```
/// use feed::channels::{ItemBuilder, SourceBuilder};
///
/// let source = SourceBuilder::new()
/// .url("http://www.tomalak.org/links2.xml")
/// .title(Some("Tomalak's Realm".to_owned()))
/// .finalize();
///
/// let item = ItemBuilder::new()
/// .title(Some("Making Music with Linux | LAS 408".to_owned()))
/// .source(Some(source))
/// .finalize();
/// assert!(item.source().is_some())
/// ```
///
/// ```
/// use feed::channels::ItemBuilder;
///
/// let item = ItemBuilder::new()
/// .title(Some("Making Music with Linux | LAS 408".to_owned()))
/// .source(None)
/// .finalize();
/// assert!(item.source().is_none());
/// ```
pub fn source(&self) -> Option<Source> {
self.source.clone()
}
}