From a9d5459cb4afaf6947518c66bcf548b33fc74e24 Mon Sep 17 00:00:00 2001
From: Lyle Mantooth <lyle@menteeth.us>
Date: Sat, 13 May 2023 15:38:07 -0400
Subject: [PATCH] Deserialize JSON response.

---
 Cargo.lock  | 15 +++++++++++++++
 Cargo.toml  |  1 +
 src/main.rs | 19 ++++++++++++++++---
 3 files changed, 32 insertions(+), 3 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 1544d99..bf5ee17 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -37,6 +37,7 @@ name = "catscii"
 version = "0.1.0"
 dependencies = [
  "reqwest",
+ "serde",
  "tokio",
 ]
 
@@ -664,6 +665,20 @@ name = "serde"
 version = "1.0.163"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2113ab51b87a539ae008b5c6c02dc020ffa39afd2d83cffcb3f4eb2722cebec2"
+dependencies = [
+ "serde_derive",
+]
+
+[[package]]
+name = "serde_derive"
+version = "1.0.163"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8c805777e3930c8883389c602315a24224bcc738b63905ef87cd1420353ea93e"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
 
 [[package]]
 name = "serde_json"
diff --git a/Cargo.toml b/Cargo.toml
index 163c742..40fe825 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,6 +6,7 @@ edition = "2018"
 
 [dependencies]
 reqwest = { version = "0.11", features = ["json"] }
+serde = { version = "1", features = ["derive"] }
 tokio = { version = "1", features = ["full"] }
 
 [dev-dependencies]
diff --git a/src/main.rs b/src/main.rs
index d3c6cab..e89d007 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,9 +1,22 @@
+use serde::Deserialize;
+
 #[tokio::main]
 async fn main() {
     let res = reqwest::get("https://api.thecatapi.com/v1/images/search")
         .await
         .unwrap();
-    println!("Status: {}", res.status());
-    let body = res.text().await.unwrap();
-    println!("Body: {}", body);
+    if !res.status().is_success() {
+        panic!("Request failed with HTTP {}", res.status());
+    }
+
+    #[derive(Deserialize)]
+    struct CatImage {
+        url: String,
+    }
+
+    let images: Vec<CatImage> = res.json().await.unwrap();
+    let image = images
+        .first()
+        .expect("the cat API should return at least one image");
+    println!("The image is at {}", image.url);
 }