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RSS and Atom feed aggregator
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meta.rs (1449B)

      1 use atom_syndication::Person;
      2 use atom_syndication::Feed;
      3 use uuid::Uuid;
      4 
      5 #[derive(Debug)]
      6 pub enum Error {
      7     IncompleteFeedMetadata,
      8 }
      9 
     10 
     11 pub struct FeedMetadata {
     12     pub author: Person,
     13     pub title: String,
     14     pub id: String,
     15     flag: u8,
     16 }
     17 
     18 impl Default for FeedMetadata {
     19     fn default() -> FeedMetadata {
     20         FeedMetadata{
     21             author: Person{
     22                 name: "?".to_string(),
     23                 email: Some("?".to_string()),
     24                 uri: Some("?".to_string()),
     25             },
     26             title: String::from("?"),
     27             id: Uuid::new_v4().to_string(),
     28             flag: 0,
     29         }
     30     }
     31     
     32     
     33 }
     34 
     35 impl FeedMetadata {
     36     pub fn force(&mut self) {
     37         self.flag |= 3;
     38     }
     39 
     40     fn check_complete(&self) -> bool {
     41         self.flag >= 3
     42     }
     43 
     44     pub fn set_author(&mut self, author: Person) -> bool {
     45         self.author = author;
     46         self.flag |= 1;
     47         self.check_complete()
     48     }
     49 
     50 
     51     pub fn set_title(&mut self, title: String) -> bool {
     52         self.title = title;
     53         self.flag |= 2;
     54         self.check_complete()
     55     }
     56 
     57     pub fn apply(&self, feed: &mut Feed) -> Result<(), Error> {
     58         if !self.check_complete() {
     59             return Err(Error::IncompleteFeedMetadata);
     60         }
     61         let mut persons = Vec::<Person>::new();
     62         persons.push(self.author.clone());
     63         feed.set_authors(persons);
     64         feed.set_title(self.title.clone());
     65         Ok(())
     66     }
     67 }