implement cat api

Cargo.toml

@@ -1,5 +1,5 @@
 [package]
-name = "wow-such-doge"
+name = "i-can-has-cat"
 version = "0.0.1"
 authors = ["A. Malacoda <adrian.malacoda@monarch-pass.net>"]
 
@@ -7,5 +7,5 @@ authors = ["A. Malacoda <adrian.malacoda@monarch-pass.net>"]
 reqwest = "0.8.0"
 serde = "1.0.14"
 serde_derive = "1.0.14"
-serde_json = "1.0.3"
+serde-xml-rs = "0.2.1"
 derive-error = "0.0.4"

README.md

@@ -1,17 +1,16 @@
-# Wow Such Doge
-[Dog API](https://dog.ceo/dog-api/) client in Rust.
+# I Can Has Cat
+[The Cat API](http://thecatapi.com/) client in Rust.
 
 ## Usage
 ### Command Line
-* `cargo run`: output list of breeds
-* `cargo run <breed>` output all dogs of breed
-* `cargo run random`: output random dog
-* `cargo run random <breed>` output random dog of breed
+* `cargo run`: output list of categories
+* `cargo run random`: output random cat
+* `cargo run random <category>` output random cat of category
 
 ### Library
 
-    use wow_such_doge::Dogs;
-    let dogs = Dogs::new();
-    let breeds = Dogs::breeds();
-    let random_dog = Dogs::random_image();
-    let random_dog_of_breed = Dogs::random_image_by_breed("<breed>");
+    use i_can_has_cat::Cats;
+    let cats = Cats::new();
+    let categories = cats.categories();
+    let random_cat = cats.random_image();
+    let random_cat_of_breed = cats.random_image_of_category("<category>");

src/lib.rs

@@ -1,61 +1,47 @@
 extern crate serde;
-extern crate serde_json;
+extern crate serde_xml_rs;
 #[macro_use] extern crate serde_derive;
 extern crate reqwest;
 #[macro_use] extern crate derive_error;
 
-use std::collections::HashMap;
 use std::io::Read;
 
 use std::fmt;
 use std::fmt::{Display, Formatter};
 
-pub struct Dogs {
+pub struct Cats {
     url: String
 }
 
-impl Dogs {
-    pub fn new() -> Dogs {
-        Dogs::with_url("https://dog.ceo/api/")
+impl Cats {
+    pub fn new() -> Cats {
+        Cats::with_url("http://thecatapi.com/api/")
     }
 
-    pub fn with_url(url: &str) -> Dogs {
+    pub fn with_url(url: &str) -> Cats {
         let mut api_url = url.to_owned();
         if api_url.ends_with("/") {
             api_url.remove(url.len() - 1);
         }
 
-        Dogs {
+        Cats {
             url: api_url
         }
     }
 
     pub fn random_image(&self) -> Result<Image, Error> {
-        Ok(self.make_call("/breeds/image/random")?.message)
+        let mut response : Response<ImagesData> = self.make_call("/images/get?format=xml")?;
+        Ok(response.data.images.images.remove(0))
     }
 
-    pub fn breeds(&self) -> Result<Breeds, Error> {
-        Ok(self.make_call("/breeds/list/all")?.message)
+    pub fn categories(&self) -> Result<Categories, Error> {
+        let response : Response<CategoriesData> = self.make_call("/categories/list?format=xml")?;
+        Ok(response.data.categories)
     }
 
-    pub fn subbreeds(&self, breed: &str) -> Result<Subbreeds, Error> {
-        Ok(self.make_call(&format!("/breed/{}/list", breed))?.message)
-    }
-
-    pub fn images_by_breed(&self, breed: &str) -> Result<Images, Error> {
-        Ok(self.make_call(&format!("/breed/{}/images", breed))?.message)
-    }
-
-    pub fn random_image_by_breed(&self, breed: &str) -> Result<Image, Error> {
-        Ok(self.make_call(&format!("/breed/{}/images/random", breed))?.message)
-    }
-
-    pub fn images_by_subbreed(&self, breed: &str, subbreed: &str) -> Result<Images, Error> {
-        Ok(self.make_call(&format!("/breed/{}/{}/images", breed, subbreed))?.message)
-    }
-
-    pub fn random_image_by_subbreed(&self, breed: &str, subbreed: &str) -> Result<Image, Error> {
-        Ok(self.make_call(&format!("/breed/{}/{}/images/random", breed, subbreed))?.message)
+    pub fn random_image_of_category(&self, category: &str) -> Result<Image, Error> {
+        let mut response : Response<ImagesData> = self.make_call(&format!("/images/get?format=xml&category={}", category))?;
+        Ok(response.data.images.images.remove(0))
     }
 
     fn make_call<T>(&self, endpoint: &str) -> Result<Response<T>, Error>
@@ -69,21 +55,11 @@ impl Dogs {
         let mut content = String::new();
         response.read_to_string(&mut content)?;
 
-        let parsed_response: Response<T> = serde_json::from_str(&content)?;
-        if parsed_response.is_success() {
-            Ok(parsed_response)
-        } else {
-            Err(Error::API(serde_json::from_str(&content)?))
-        }
+        let parsed_response: Response<T> = serde_xml_rs::deserialize(content.as_bytes())?;
+        Ok(parsed_response)
     }
 }
 
-pub type Breed = String;
-pub type Image = String;
-pub type Images = Vec<Image>;
-pub type Subbreeds = Vec<String>;
-pub type Breeds = HashMap<Breed, Subbreeds>;
-
 #[derive(Debug, Error)]
 pub enum Error {
     /// HTTP request failed
@@ -91,7 +67,7 @@ pub enum Error {
     /// IO error
     IO(std::io::Error),
     /// Failed to parse
-    Parse(serde_json::Error),
+    Parse(serde_xml_rs::Error),
     /// Error from API
     API(APIError)
 }
@@ -123,12 +99,67 @@ impl Display for APIError {
 
 #[derive(Serialize, Deserialize, Debug)]
 struct Response<T> {
-    status: String,
-    message: T
+    data: T
 }
 
-impl<T> Response<T> {
-    pub fn is_success(&self) -> bool {
-        self.status == "success"
+#[derive(Serialize, Deserialize, Debug)]
+struct ImagesData {
+    images: Images
+}
+
+#[derive(Serialize, Deserialize, Debug)]
+pub struct Images {
+    #[serde(rename="image")]
+    images: Vec<Image>
+}
+
+#[derive(Serialize, Deserialize, Debug)]
+pub struct Image {
+    id: String,
+    url: String,
+    source_url: String
+}
+
+#[derive(Serialize, Deserialize, Debug)]
+struct CategoriesData {
+    categories: Categories
+}
+
+#[derive(Serialize, Deserialize, Debug)]
+pub struct Categories {
+    #[serde(rename="category")]
+    categories: Vec<Category>
+}
+
+#[derive(Serialize, Deserialize, Debug)]
+pub struct Category {
+    id: String,
+    name: String
+}
+
+mod test {
+    use serde_xml_rs;
+    use {Image, Images};
+
+    #[test]
+    fn test_deserialize_cat () {
+        let xml = r#"<image>
+            <url>http://25.media.tumblr.com/tumblr_m99be6qgNT1qejbiro1_500.jpg</url>
+            <id>MjA0MjYyMA</id>
+            <source_url>http://thecatapi.com/?id=MjA0MjYyMA</source_url>
+          </image>"#;
+        let cat: Image = serde_xml_rs::deserialize(xml.as_bytes()).unwrap();
+    }
+
+    #[test]
+    fn test_deserialize_cats () {
+        let xml = r#"<images>
+              <image>
+                <url>http://25.media.tumblr.com/tumblr_m99be6qgNT1qejbiro1_500.jpg</url>
+                <id>MjA0MjYyMA</id>
+                <source_url>http://thecatapi.com/?id=MjA0MjYyMA</source_url>
+              </image>
+          </images>"#;
+        let cats: Images = serde_xml_rs::deserialize(xml.as_bytes()).unwrap();
     }
 }

src/main.rs

@@ -1,27 +1,17 @@
-extern crate wow_such_doge;
-use wow_such_doge::Dogs;
+extern crate i_can_has_cat;
+use i_can_has_cat::Cats;
 use std::env;
 
 fn main() {
-    let dogs = Dogs::new();
+    let cats = Cats::new();
     match env::args().nth(1).as_ref().map(|arg| arg.as_str()) {
         Some("random") => {
             match env::args().nth(2).as_ref().map(|arg| arg.as_str()) {
-                Some(breed) => {
-                    match env::args().nth(3).as_ref().map(|arg| arg.as_str()) {
-                        Some(subbreed) => println!("{}", dogs.random_image_by_subbreed(breed, subbreed).unwrap()),
-                        None => println!("{}", dogs.random_image_by_breed(breed).unwrap())
-                    }
-                },
-                None => println!("{}", dogs.random_image().unwrap())
+                Some(category) => println!("{:?}", cats.random_image_of_category(category).unwrap()),
+                None => println!("{:?}", cats.random_image().unwrap())
             }
         },
-        Some(breed) => {
-            match env::args().nth(2).as_ref().map(|arg| arg.as_str()) {
-                Some(subbreed) => println!("{:?}", dogs.images_by_subbreed(breed, subbreed).unwrap()),
-                None => println!("{:?}", dogs.images_by_breed(breed).unwrap())
-            }
-        },
-        None => println!("{:?}", dogs.breeds())
+        Some(_) => println!("{:?}", cats.categories()),
+        None => println!("{:?}", cats.categories())
     }
 }