1 files changed, 134 insertions, 0 deletions
diff --git a/pkgs/by-name/ba/back/src/web/mod.rs b/pkgs/by-name/ba/back/src/web/mod.rs
new file mode 100644
index 0000000..35dc59f
--- /dev/null
+++ b/pkgs/by-name/ba/back/src/web/mod.rs
@@ -0,0 +1,134 @@
+// Back - An extremely simple git issue tracking system. Inspired by tvix's
+// panettone
+//
+// Copyright (C) 2024 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+// SPDX-License-Identifier: AGPL-3.0-or-later
+//
+// This file is part of Back.
+//
+// You should have received a copy of the License along with this program.
+// If not, see <https://www.gnu.org/licenses/agpl.txt>.
+
+use crate::{
+    config::BackConfig,
+    error::{self, Error},
+    git_bug::{
+        dag::issues_from_repository,
+        issue::{CollapsedIssue, Status},
+    },
+};
+use prefix::BackPrefix;
+use rocket::{
+    get,
+    response::content::{RawCss, RawHtml},
+    State,
+};
+
+mod issue_html;
+pub mod prefix;
+
+#[get("/style.css")]
+pub fn styles() -> RawCss<String> {
+    RawCss(include_str!("../../assets/style.css").to_owned())
+}
+
+pub fn issue_list_boilerplate(
+    config: &State<BackConfig>,
+    wanted_status: Status,
+    counter_status: Status,
+) -> error::Result<RawHtml<String>> {
+    let repository = &config.repository;
+
+    let mut issue_list = issues_from_repository(&repository.to_thread_local())?
+        .into_iter()
+        .map(|issue| issue.collapse())
+        .collect::<Vec<CollapsedIssue>>();
+
+    // Sort by date descending.
+    issue_list.sort_by_key(|issue| unsafe { issue.timestamp.to_unsafe() });
+    issue_list.reverse();
+
+    let issue_list_str = issue_list.into_iter().fold(String::new(), |acc, issue| {
+        format!("{}{}", acc, {
+            if issue.status == wanted_status {
+                let issue_entry = issue.to_list_entry();
+                issue_entry.0
+            } else {
+                String::new()
+            }
+        })
+    });
+
+    let counter_status_lower = counter_status.to_string().to_lowercase();
+    Ok(RawHtml(format!(
+        r#"
+    <!DOCTYPE html>
+    <html lang="en">
+       <head>
+          <title>Back</title>
+          <link href="/style.css" rel="stylesheet" type="text/css">
+          <meta content="width=device-width,initial-scale=1" name="viewport">
+       </head>
+       <body>
+          <div class="content">
+             <header>
+                <h1>{wanted_status} Issues</h1>
+             </header>
+             <main>
+                <div class="issue-links">
+                   <a href="/issues/{counter_status_lower}/">View {counter_status} issues</a>
+                   <a href="{}">Source code</a>
+                   <!--
+                   <form class="issue-search" method="get">
+                       <input name="search" title="Issue search query" type="search">
+                       <input class="sr-only" type="submit" value="Search Issues">
+                   </form>
+                   -->
+                </div>
+                <ol class="issue-list">
+                {issue_list_str}
+                </ol>
+             </main>
+          </div>
+       </body>
+    </html>
+    "#,
+        config.source_code_repository_url
+    )))
+}
+
+#[get("/issues/open")]
+pub fn open(config: &State<BackConfig>) -> error::Result<RawHtml<String>> {
+    issue_list_boilerplate(config, Status::Open, Status::Closed)
+}
+#[get("/issues/closed")]
+pub fn closed(config: &State<BackConfig>) -> error::Result<RawHtml<String>> {
+    issue_list_boilerplate(config, Status::Closed, Status::Open)
+}
+
+#[get("/issue/<prefix>")]
+pub fn show_issue(
+    config: &State<BackConfig>,
+    prefix: Result<BackPrefix, gix::hash::prefix::from_hex::Error>,
+) -> error::Result<RawHtml<String>> {
+    // NOTE(@bpeetz): Explicitly unwrap the `prefix` here (instead of taking the unwrapped value as
+    // argument), to avoid triggering rockets "errors forward to the next route" feature.
+    // This ensures, that our error message actually reaches the user. <2024-12-26>
+    let prefix = prefix?;
+
+    let repository = config.repository.to_thread_local();
+
+    let all_issues: Vec<CollapsedIssue> = issues_from_repository(&repository)?
+        .into_iter()
+        .map(|val| val.collapse())
+        .collect();
+
+    let maybe_issue = all_issues
+        .iter()
+        .find(|issue| issue.id.to_string().starts_with(&prefix.to_string()));
+
+    match maybe_issue {
+        Some(issue) => Ok(issue.to_html(config)),
+        None => Err(Error::IssuesPrefixMissing { prefix }),
+    }
+}