From f87ad1230864c271a4e60ad3b6ff3abea950568d Mon Sep 17 00:00:00 2001
From: Teddy Wing
Date: Sun, 19 Jul 2020 18:42:57 +0200
Subject: Fetch a GitHub PR suggestion comment

Add a `Suggestion` struct to represent a GitHub PR suggestion comment.

Use the 'github-rs' library to fetch a given comment from the site by
its ID.

Converted the 'github-rs' error into a string because its
`github_rs::client::Error` type is private, so I can't define an error
variant source with that type.
---
 src/lib.rs | 67 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 src/lib.rs

(limited to 'src')

diff --git a/src/lib.rs b/src/lib.rs
new file mode 100644
index 0000000..c0aeb3b
--- /dev/null
+++ b/src/lib.rs
@@ -0,0 +1,67 @@
+#![warn(rust_2018_idioms)]
+
+
+use github_rs::client::{Executor, Github};
+use serde_json::Value;
+use thiserror::Error;
+
+
+#[derive(Debug, Error)]
+pub enum Error {
+    #[error("GitHub client error: {0}")]
+    Github(String),
+}
+
+
+pub struct Suggestion<'a> {
+    client: Github,
+    owner: &'a str,
+    repo: &'a str,
+}
+
+impl<'a> Suggestion<'a> {
+    pub fn new(token: &str, owner: &'a str, repo: &'a str) -> Self {
+        let client = Github::new(&token).unwrap();
+
+        Suggestion { client, owner, repo }
+    }
+
+    pub fn fetch(&self, id: &str) -> Result<(), Error> {
+        let comment = self.client
+            .get()
+            .repos()
+            .owner(self.owner)
+            .repo(self.repo)
+            .pulls()
+            .comments()
+            .id(id)
+            .execute::<Value>();
+
+        match comment {
+            Ok((_, _, json)) => {
+                println!("{:?}", json);
+
+                Ok(())
+            },
+            Err(e) => Err(Error::Github(e.to_string())),
+        }
+    }
+
+    pub fn patch(&self) {
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn suggestion_fetch_gets_pull_request_comment() {
+        let suggestion = Suggestion::new(
+            env!("GITHUB_TOKEN"),
+            "cli",
+            "cli",
+        );
+        suggestion.fetch("438947607").unwrap();
+    }
+}
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