Refactor stream API, move StreamItem and Verb to modules.

1 files changed, 10 insertions, 96 deletions

diff --git a/src/stream.rs b/src/stream.rs
index 475c886..8f543cc 100644
--- a/src/stream.rs
+++ b/src/stream.rs
@@ -11,7 +11,16 @@
  * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
-use serde::Deserialize;
+mod streamitem;
+mod verb;
+
+pub use streamitem::{
+    StreamItem,
+    StreamItemEncoding,
+    StreamItemType,
+};
+pub use verb::Verb;
+
 use std::{
     error::Error,
     result::Result
@@ -22,79 +31,6 @@ pub struct Stream {
     pub items: Vec<StreamItem>,
 }
 
-#[derive(Debug, Deserialize, PartialEq)]
-enum StreamItemType {
-    #[serde(rename="activity")]
-    Activity,
-}
-
-#[derive(Debug, Deserialize, PartialEq)]
-enum StreamItemEncoding {
-    #[serde(rename="zot")]
-    Zot,
-}
-
-#[derive(Debug, PartialEq)]
-enum Verb {
-    Post,
-    Like,
-    Update,
-}
-
-impl<'de> Deserialize<'de> for Verb {
-    fn deserialize<D>(deserializer: D) -> Result<Verb, D::Error>
-        where
-            D: serde::de::Deserializer<'de>,
-    {
-        deserializer.deserialize_str(VerbVisitor)
-    }
-}
-
-struct VerbVisitor;
-
-impl<'de> serde::de::Visitor<'de> for VerbVisitor {
-    type Value = Verb;
-
-    fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
-        write!(formatter, "a valid activity streams verb URI")
-    }
-
-    fn visit_str<E>(self, s: &str) -> Result<Self::Value, E>
-        where
-            E: serde::de::Error,
-    {
-        match s {
-            "http://activitystrea.ms/schema/1.0/post" =>
-                Ok(Verb::Post),
-            "http://activitystrea.ms/schema/1.0/like" =>
-                Ok(Verb::Like),
-            "http://activitystrea.ms/schema/1.0/update" =>
-                Ok(Verb::Update),
-            _ =>
-                Err(E::custom(format!("unknown activity streams verb")))
-        }
-    }
-}
-
-#[derive(Debug, Deserialize, PartialEq)]
-pub struct StreamItem {
-    #[serde(rename="type")]
-    item_type: StreamItemType,
-    encoding: StreamItemEncoding,
-
-    verb: Verb,
-
-    pub title: String,
-    pub summary: String,
-    pub body: String,
-}
-
-impl StreamItem {
-    pub fn is_post(&self) -> bool {
-        self.verb == Verb::Post
-    }
-}
-
 impl Stream {
     pub fn from_json(json: &str) -> Result<Self, Box<dyn Error + 'static>> {
         let items: Vec<StreamItem> = serde_json::from_str(&json)?;
@@ -206,26 +142,4 @@ mod test {
         assert_eq!("The summary of the post", &item.summary);
         assert_eq!("The body of the post", &item.body);
     }
-
-    #[test]
-    fn deserialize_activitustreams_verb_from_json() {
-        #[derive(Debug, Deserialize, PartialEq)]
-        struct VerbTest {
-            verb: Verb
-        }
-
-        let verbs = vec![
-            (Verb::Post, "post"),
-            (Verb::Like, "like"),
-            (Verb::Update, "update")
-        ];
-
-        for v in verbs {
-            let verb: VerbTest = serde_json::from_str(
-                &format!(r#"{{"verb": "http://activitystrea.ms/schema/1.0/{}"}}"#, v.1)
-            ).unwrap();
-            assert_eq!(v.0, verb.verb);
-        }
-
-    }
 }