Add /commit/:hash page

.sqlx/query-c8172df79e5000f77a957a648fc12898959bfba8d12f31428b6e582ce2106719.json

@@ -0,0 +1,20 @@
+{
+  "db_name": "SQLite",
+  "query": "SELECT child FROM commit_links WHERE parent = ?",
+  "describe": {
+    "columns": [
+      {
+        "name": "child",
+        "ordinal": 0,
+        "type_info": "Text"
+      }
+    ],
+    "parameters": {
+      "Right": 1
+    },
+    "nullable": [
+      false
+    ]
+  },
+  "hash": "c8172df79e5000f77a957a648fc12898959bfba8d12f31428b6e582ce2106719"
+}

src/web.rs

@@ -1,4 +1,5 @@
 mod commit;
+mod commit_hash;
 mod index;
 mod r#static;
 
@@ -12,6 +13,7 @@ pub async fn run(state: AppState) -> somehow::Result<()> {
     let app = Router::new()
         .route("/", get(index::get))
         .route("/commit/", get(commit::get))
+        .route("/commit/:hash", get(commit_hash::get))
         .fallback(get(r#static::static_handler))
         .with_state(state.clone());
 

src/web/commit_hash.rs

@@ -0,0 +1,90 @@
+use std::sync::Arc;
+
+use askama::Template;
+use axum::{
+    extract::{Path, State},
+    response::IntoResponse,
+};
+use futures::TryStreamExt;
+use gix::{prelude::ObjectIdExt, Id, ObjectId, ThreadSafeRepository};
+use sqlx::SqlitePool;
+
+use crate::{config::Config, repo, somehow};
+
+struct Commit {
+    hash: String,
+    description: String,
+}
+
+impl Commit {
+    fn new(id: Id<'_>) -> somehow::Result<Self> {
+        let commit = id.object()?.try_into_commit()?;
+        Ok(Self {
+            hash: id.to_string(),
+            description: repo::format_commit_short(&commit)?,
+        })
+    }
+}
+
+#[derive(Template)]
+#[template(path = "commit_hash.html")]
+struct CommitIdTemplate {
+    base: String,
+    repo_name: String,
+    current: String,
+    hash: String,
+    summary: String,
+    message: String,
+    author: String,
+    author_date: String,
+    commit: String,
+    commit_date: String,
+    parents: Vec<Commit>,
+    children: Vec<Commit>,
+}
+
+pub async fn get(
+    Path(hash): Path<String>,
+    State(config): State<&'static Config>,
+    State(db): State<SqlitePool>,
+    State(repo): State<Arc<ThreadSafeRepository>>,
+) -> somehow::Result<impl IntoResponse> {
+    // Do this first because a &Repository can't be kept across awaits.
+    let child_ids = sqlx::query!("SELECT child FROM commit_links WHERE parent = ?", hash)
+        .fetch(&db)
+        .map_ok(|r| r.child)
+        .try_collect::<Vec<_>>()
+        .await?;
+
+    let repo = repo.to_thread_local();
+    let id = hash.parse::<ObjectId>()?.attach(&repo);
+    let commit = id.object()?.try_into_commit()?;
+    let author_info = commit.author()?;
+    let committer_info = commit.committer()?;
+
+    let mut parents = vec![];
+    for id in commit.parent_ids() {
+        parents.push(Commit::new(id)?);
+    }
+
+    let mut children = vec![];
+    for hash in child_ids {
+        let id = hash.parse::<ObjectId>()?.attach(&repo);
+        children.push(Commit::new(id)?);
+    }
+
+    Ok(CommitIdTemplate {
+        base: config.web.base(),
+        repo_name: config.repo.name(),
+        current: "commit".to_string(),
+        hash: id.to_string(),
+        summary: commit.message()?.summary().to_string(),
+        message: commit.message_raw_sloppy().to_string(),
+        author: repo::format_actor(author_info.actor())?,
+        author_date: author_info.time.to_bstring().to_string(),
+        commit: repo::format_actor(committer_info.actor())?,
+        commit_date: committer_info.time.to_bstring().to_string(),
+        parents,
+        children,
+    })
+}

static/base.css

@@ -1,5 +1,7 @@
 :root {
+    --lh: 1.3em;
     font-family: monospace;
+    line-height: var(--lh);
     color-scheme: light dark;
 }
 
@@ -59,3 +61,24 @@ a:hover {
 dd {
     margin-left: 4ch;
 }
+
+/* Commit */
+
+.commit * {
+    margin: 0;
+}
+
+.commit .hash {
+    color: #b70;
+    font-weight: bold;
+}
+
+.commit .message {
+    margin: 1em 0ch 1em 4ch;
+}
+
+.commit dl {
+    display: grid;
+    grid: auto-flow / min-content max-content;
+    column-gap: 1ch;
+}

templates/commit_hash.html

@@ -0,0 +1,34 @@
+{% extends "base.html" %}
+
+{% block title %}{{ summary }}{% endblock %}
+
+{% block body %}
+<h2>Commit</h2>
+<div class="commit">
+    <span class="hash">commit {{ hash }}</span>
+    <dl>
+        <dt>Author:</dt>
+        <dd>{{ author }}</dd>
+
+        <dt>AuthorDate:</dt>
+        <dd>{{ author_date }}</dd>
+
+        <dt>Commit:</dt>
+        <dd>{{ commit }}</dd>
+
+        <dt>CommitDate:</dt>
+        <dd>{{ commit_date }}</dd>
+
+        {% for commit in parents %}
+        <dt>Parent:</dt>
+        <dd><a href="{{ commit.hash }}">{{ commit.description }}</a></dd>
+        {% endfor %}
+
+        {% for commit in children %}
+        <dt>Child:</dt>
+        <dd><a href="{{ commit.hash }}">{{ commit.description }}</a></dd>
+        {% endfor %}
+    </dl>
+    <pre class="message">{{ message }}</pre>
+</div>
+{% endblock %}