hive-forge: add comments <number> [--json] [--limit] verb (closes #418)

hive-forge/src/verbs/comments.rs

@@ -0,0 +1,62 @@
+//! `comments <number> [--json] [--limit N]` — list all comments on
+//! an issue or PR. Closes the curl-fallback gap (#418).
+
+use anyhow::Result;
+use clap::Args as ClapArgs;
+use serde_json::{Value, json};
+
+use crate::client::Client;
+use crate::verbs::print_json;
+
+#[derive(ClapArgs)]
+pub struct Args {
+    /// Issue or PR number.
+    number: u64,
+    /// Print as JSON array instead of human-readable markdown.
+    #[arg(long)]
+    json: bool,
+    /// Page size (Forgejo caps at 50 by default).
+    #[arg(long, default_value_t = 50)]
+    limit: u64,
+}
+
+pub fn run(client: &Client, args: Args) -> Result<()> {
+    let repo = client.repo();
+    let v = client.get_json(&format!(
+        "/repos/{repo}/issues/{}/comments?limit={}",
+        args.number, args.limit
+    ))?;
+    if args.json {
+        let trimmed: Vec<Value> = v
+            .as_array()
+            .map(|a| {
+                a.iter()
+                    .map(|c| {
+                        json!({
+                            "id": c.get("id"),
+                            "user": c.get("user").and_then(|u| u.get("login")),
+                            "created_at": c.get("created_at"),
+                            "updated_at": c.get("updated_at"),
+                            "body": c.get("body"),
+                            "url": c.get("html_url"),
+                        })
+                    })
+                    .collect()
+            })
+            .unwrap_or_default();
+        print_json(&Value::Array(trimmed))
+    } else {
+        for c in v.as_array().cloned().unwrap_or_default() {
+            let user = c
+                .get("user")
+                .and_then(|u| u.get("login"))
+                .and_then(Value::as_str)
+                .unwrap_or("?");
+            let ts = c.get("created_at").and_then(Value::as_str).unwrap_or("?");
+            let body = c.get("body").and_then(Value::as_str).unwrap_or("");
+            println!("**{user} @ {ts}**: {body}");
+            println!();
+        }
+        Ok(())
+    }
+}