Added display review

crates/github/src/review.rs

@@ -0,0 +1,140 @@
+use crate::review_backend::{models::PullRequest, DefaultReviewBackend, DynReviewBackend};
+
+use comfy_table::{presets::UTF8_HORIZONTAL_ONLY, Cell, Row, Table};
+#[cfg(test)]
+use mockall::{automock, mock, predicate::*};
+
+pub struct Review {
+    backend: DynReviewBackend,
+}
+
+impl Default for Review {
+    fn default() -> Self {
+        Self::new(std::sync::Arc::new(DefaultReviewBackend::new()))
+    }
+}
+
+impl Review {
+    fn new(backend: DynReviewBackend) -> Self {
+        Self { backend }
+    }
+
+    // Workflow
+    // 1. Fetch list of repos
+    // 2. Present menu
+    // 3. Choose begin quick review
+    // 4. Present pr and use delta to view changes
+    // 5. Approve, open, skip or quit
+    // 6. Repeat from 4
+    fn run(&self, review_requested: Option<String>) -> eyre::Result<()> {
+        let prs = self.backend.get_prs(review_requested)?;
+
+        let prs_table = Self::generate_prs_table(&prs);
+
+        self.backend.present_prs(prs_table)?;
+
+        Ok(())
+    }
+
+    fn generate_prs_table(prs: &[PullRequest]) -> String {
+        let mut table = Table::new();
+        let table = table
+            .load_preset(UTF8_HORIZONTAL_ONLY)
+            .set_content_arrangement(comfy_table::ContentArrangement::Dynamic)
+            .set_header(vec![
+                Cell::new("repo"),
+                Cell::new("title"),
+                Cell::new("number"),
+            ])
+            .add_rows(prs.iter().map(|pr| {
+                let pr = pr.clone();
+                vec![pr.repository.name, pr.title, pr.number.to_string()]
+            }));
+
+        table.to_string()
+    }
+}
+
+impl util::Cmd for Review {
+    fn cmd() -> eyre::Result<clap::Command> {
+        Ok(clap::Command::new("review"))
+    }
+
+    fn exec(_: &clap::ArgMatches) -> eyre::Result<()> {
+        Self::default().run(Some("lunarway/squad-aura".into()))
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use crate::review_backend::{models::Repository, MockReviewBackend};
+
+    use super::*;
+
+    use pretty_assertions::{assert_eq, assert_ne};
+
+    #[test]
+    fn can_fetch_prs() {
+        let mut backend = MockReviewBackend::new();
+        let prs = vec![
+            PullRequest {
+                title: "some-title".into(),
+                number: 0,
+                repository: Repository {
+                    name: "some-name".into(),
+                },
+            },
+            PullRequest {
+                title: "some-other-title".into(),
+                number: 1,
+                repository: Repository {
+                    name: "some-other-name".into(),
+                },
+            },
+        ];
+        let backendprs = prs.clone();
+        backend
+            .expect_get_prs()
+            .with(eq(Some("kjuulh".into())))
+            .times(1)
+            .returning(move |_| Ok(backendprs.clone()));
+
+        backend.expect_present_prs().times(1).returning(|_| Ok(()));
+
+        let review = Review::new(std::sync::Arc::new(backend));
+        review
+            .run(Some("kjuulh".into()))
+            .expect("to return a list of pull requests");
+    }
+
+    #[test]
+    fn can_generate_table() {
+        let prs = vec![
+            PullRequest {
+                title: "some-title".into(),
+                number: 0,
+                repository: Repository {
+                    name: "some-name".into(),
+                },
+            },
+            PullRequest {
+                title: "some-other-title".into(),
+                number: 1,
+                repository: Repository {
+                    name: "some-other-name".into(),
+                },
+            },
+        ];
+        let expected_table = "─────────────────────────────────────────────
+ repo              title              number 
+═════════════════════════════════════════════
+ some-name         some-title         0      
+─────────────────────────────────────────────
+ some-other-name   some-other-title   1      
+─────────────────────────────────────────────";
+
+        let output = Review::generate_prs_table(&prs);
+
+        assert_eq!(output, expected_table.to_string())
+    }
+}