feat: copy diff review comments to configured clipboard

src/review.rs

@@ -4,6 +4,7 @@ use std::{
     cell::RefCell,
     collections::BTreeSet,
     ffi::OsStr,
+    fmt::Write as _,
     fs::{self, OpenOptions},
     io::{Read, Write},
     path::{Path, PathBuf},
@@ -59,6 +60,22 @@ impl Anchor {
         self.start.row..=end
     }
 
+    pub fn excerpt(&self) -> &str {
+        let offset = |position: crate::plugin::TextPosition| {
+            let line = self.content.split('\n').nth(position.row).unwrap_or("");
+            self.content
+                .split('\n')
+                .take(position.row)
+                .map(|line| line.len() + 1)
+                .sum::<usize>()
+                + line
+                    .grapheme_indices(true)
+                    .nth(position.column)
+                    .map_or(line.len(), |(index, _)| index)
+        };
+        &self.content[offset(self.start)..offset(self.end)]
+    }
+
     pub fn matches_lines(
         &self,
         revision: &str,
@@ -148,6 +165,69 @@ impl Review {
         }
     }
 
+    pub fn summary_text(&self) -> String {
+        let resolved = self
+            .comments
+            .iter()
+            .filter(|comment| comment.resolved)
+            .count();
+        format!(
+            "Review {} (revision {}): {}\n  Verdict: {}; {} unresolved, {} resolved ({} total)\n",
+            self.storage_id
+                .map_or_else(|| "null".into(), |id| id.to_string()),
+            self.storage_revision,
+            self.summary,
+            match self.verdict {
+                Some(Verdict::LooksGood) => "looks_good",
+                Some(Verdict::ChangesRequested) => "changes_requested",
+                None => "none",
+            },
+            self.comments.len() - resolved,
+            resolved,
+            self.comments.len(),
+        )
+    }
+
+    /// CLI show format, including the repository, summary, and selected comments.
+    pub fn format_text(&self, all: bool) -> String {
+        let mut text = format!(
+            "Repository: {}\n{}",
+            self.root.display(),
+            self.summary_text()
+        );
+        for comment in self
+            .comments
+            .iter()
+            .filter(|comment| all || !comment.resolved)
+        {
+            let anchor = &comment.anchor;
+            writeln!(
+                text,
+                "\nComment {} [{}] {} ({}) {}:{}–{}:{} @ {}\n{}\n{}",
+                comment.id,
+                if comment.resolved {
+                    "resolved"
+                } else {
+                    "unresolved"
+                },
+                anchor.path.display(),
+                match anchor.side {
+                    Side::Before => "before",
+                    Side::After => "after",
+                },
+                anchor.start.row,
+                anchor.start.column,
+                anchor.end.row,
+                anchor.end.column,
+                anchor.revision,
+                anchor.excerpt(),
+                comment.body,
+            )
+            .unwrap();
+        }
+        text
+    }
+
     fn validate(&self) -> Result<(), String> {
         if self.version != 4 {
             return Err(format!("Unsupported review version {}", self.version));