From 1555833279efac993be5a0897b5552a8c0e9c77d Mon Sep 17 00:00:00 2001
From: DanConwayDev <DanConwayDev@protonmail.com>
Date: Sun, 21 May 2023 11:24:58 +0000
Subject: prs

---
 src/sub_commands/prs.rs | 113 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 113 insertions(+)
 create mode 100644 src/sub_commands/prs.rs

(limited to 'src')

diff --git a/src/sub_commands/prs.rs b/src/sub_commands/prs.rs
new file mode 100644
index 0000000..beafea4
--- /dev/null
+++ b/src/sub_commands/prs.rs
@@ -0,0 +1,113 @@
+
+
+use clap::Args;
+use dialoguer::{Select, Confirm, theme::ColorfulTheme};
+use nostr::{Event};
+
+use crate::{fetch_pull_push::fetch_pull_push, ngit_tag::{tag_extract_value, tag_is_branch_merged_from, tag_is_branch}};
+
+#[derive(Args)]
+pub struct PrsSubCommand {
+}
+
+pub fn prs(
+    _sub_command_args: &PrsSubCommand,
+) {
+
+    let branch_refs = fetch_pull_push(
+        None,
+        false,
+        false,
+        None,
+        false,
+        None,
+        None,
+    );
+    fn pull_request_merged(pull_request: &Event, merges: &Vec<Event>) -> bool {
+        let branch_from = tag_extract_value(
+            pull_request.tags.iter().find(|tag|tag_is_branch_merged_from(tag))
+                .expect("pull_request will always have branch merge from tag")
+        );
+        let branch_to = tag_extract_value(
+            pull_request.tags.iter().find(|tag|tag_is_branch(tag))
+                .expect("pull_request will always have branch tag")
+        );
+
+        merges.iter().any(|m|
+            tag_extract_value(
+                m.tags.iter().find(|tag|tag_is_branch_merged_from(tag))
+                    .expect("merge will always have branch merge from tag")
+            ) == branch_from.clone()
+            // && tag_extract_value(
+            //     m.tags.iter().find(|tag|tag_is_branch(tag))
+            //         .expect("merge will always have branch merge from tag")
+            // ) == branch_to.clone()
+        )
+    }
+    // list PRs against branches that have not been merged
+    let outstanding_prs: Vec<&Event> = branch_refs.pull_requests.iter().filter(|pr|
+        !pull_request_merged(pr, &branch_refs.merges)
+    ).collect();
+
+    if outstanding_prs.is_empty() {
+        return println!("There are no open pull requests for this repository on selected relays");
+    }
+
+    fn extract_summary(pr:&Event) -> String {
+        let split_string:Vec<String> = pr.content.split("\n").map(|s| s.to_string()).collect();
+        split_string.get(1)
+            .expect("PR content will always have a second line which is the title")
+            .clone()
+    }
+    let summaries:Vec<String> = outstanding_prs.iter().map(|pr|extract_summary(pr)).collect();
+    
+    loop {
+
+        // select pr to review
+        let i = Select::new()
+            .with_prompt("Select PR to review")
+            .items(&summaries)
+            .report(false)
+            .interact()
+            .unwrap();
+
+        // display summary
+        println!(
+            "{}\n raised: {}",
+            outstanding_prs[i].content,
+            outstanding_prs[i].created_at, //.to_human_datetime(), in v0.22
+        );
+
+        let branch_id = tag_extract_value(
+            outstanding_prs[i].tags.iter()
+                .find(|tag|tag_is_branch_merged_from(tag))
+                .expect("pr will always have a branch merged from tag")
+        );
+
+        let _branch_title = branch_refs
+            .branch_as_repo(Some(&branch_id)).name;
+        // pull branch
+        if Confirm::with_theme(&ColorfulTheme::default())
+            .with_prompt(
+                format!(
+                    "pull branch for '{}'?",
+                    extract_summary(outstanding_prs[i])
+                )
+            )
+            .default(true)
+            .interact()
+            .unwrap()
+        {
+            fetch_pull_push(
+                None,
+                true,
+                false,
+                Some(branch_id),
+                false,
+                None,
+                None,
+            );
+            break
+        }
+    }
+}
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