fix(pkgs/back): Use rocket to manage the configuration values

This reduces the amount of needed `unwraps`/`expects` and allows us to
streamline the parsing processes.

5 files changed, 0 insertions, 733 deletions

diff --git a/pkgs/by-name/ba/back/src/issues/format/mod.rs b/pkgs/by-name/ba/back/src/issues/format/mod.rs
deleted file mode 100644
index f78d3b3..0000000
--- a/pkgs/by-name/ba/back/src/issues/format/mod.rs
+++ /dev/null
@@ -1,88 +0,0 @@
-// 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 std::fmt::Display;
-
-use markdown::to_html;
-
-#[derive(Debug, Default, Clone)]
-pub struct Markdown {
-    value: String,
-}
-
-impl From<String> for Markdown {
-    fn from(value: String) -> Self {
-        Self { value }
-    }
-}
-impl Display for Markdown {
-    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        f.write_str(to_html(&self.value).as_str())
-    }
-}
-
-#[derive(Debug, Default)]
-pub struct BackString {
-    value: String,
-}
-
-impl From<Markdown> for BackString {
-    fn from(value: Markdown) -> Self {
-        Self { value: value.value }
-    }
-}
-
-impl From<String> for BackString {
-    fn from(value: String) -> Self {
-        Self { value }
-    }
-}
-impl Display for BackString {
-    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        f.write_str(escape_html(&self.value).as_str())
-    }
-}
-
-// From `tera::escape_html`
-/// Escape HTML following [OWASP](https://www.owasp.org/index.php/XSS_(Cross_Site_Scripting)_Prevention_Cheat_Sheet)
-///
-/// Escape the following characters with HTML entity encoding to prevent switching
-/// into any execution context, such as script, style, or event handlers. Using
-/// hex entities is recommended in the spec. In addition to the 5 characters
-/// significant in XML (&, <, >, ", '), the forward slash is included as it helps
-/// to end an HTML entity.
-///
-/// ```text
-/// & --> &amp;
-/// < --> &lt;
-/// > --> &gt;
-/// " --> &quot;
-/// ' --> &#x27;     &apos; is not recommended
-/// / --> &#x2F;     forward slash is included as it helps end an HTML entity
-/// ```
-#[inline]
-pub fn escape_html(input: &str) -> String {
-    let mut output = String::with_capacity(input.len() * 2);
-    for c in input.chars() {
-        match c {
-            '&' => output.push_str("&amp;"),
-            '<' => output.push_str("&lt;"),
-            '>' => output.push_str("&gt;"),
-            '"' => output.push_str("&quot;"),
-            '\'' => output.push_str("&#x27;"),
-            '/' => output.push_str("&#x2F;"),
-            _ => output.push(c),
-        }
-    }
-
-    // Not using shrink_to_fit() on purpose
-    output
-}
diff --git a/pkgs/by-name/ba/back/src/issues/issue/mod.rs b/pkgs/by-name/ba/back/src/issues/issue/mod.rs
deleted file mode 100644
index b78f473..0000000
--- a/pkgs/by-name/ba/back/src/issues/issue/mod.rs
+++ /dev/null
@@ -1,332 +0,0 @@
-// 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 std::fmt::Display;
-
-use chrono::DateTime;
-use gix::{bstr::ByteSlice, Commit, Id, ObjectId, Repository};
-use raw::{Operation, RawIssue};
-use rocket::response::content::RawHtml;
-
-use crate::SOURCE_CODE_REPOSITORY;
-
-use super::format::{BackString, Markdown};
-
-mod raw;
-
-#[derive(Debug, Default)]
-pub struct TimeStamp {
-    value: u64,
-}
-impl TimeStamp {
-    pub fn new(val: u64) -> Self {
-        Self { value: val }
-    }
-}
-impl Display for TimeStamp {
-    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        let date =
-            DateTime::from_timestamp(self.value as i64, 0).expect("This timestamp should be vaild");
-
-        let newdate = date.format("%Y-%m-%d %H:%M:%S");
-        f.write_str(newdate.to_string().as_str())
-    }
-}
-
-#[derive(Debug)]
-pub struct Comment<'a> {
-    pub id: Id<'a>,
-    pub author: Author,
-    pub message: Markdown,
-    pub timestamp: TimeStamp,
-}
-
-#[derive(Debug, Default)]
-pub struct Author {
-    name: BackString,
-    email: BackString,
-}
-
-#[derive(Debug)]
-pub struct IssueId<'a> {
-    value: Id<'a>,
-}
-impl<'a> IssueId<'a> {
-    pub fn new(id: Id<'a>) -> Self {
-        Self { value: id }
-    }
-}
-impl Display for IssueId<'_> {
-    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        let shortend = self.value.shorten().expect("This should work.");
-        f.write_str(shortend.to_string().as_str())
-    }
-}
-
-#[derive(Default, Debug, PartialEq, Eq, PartialOrd, Ord, Copy, Clone)]
-pub enum Status {
-    #[default]
-    Open,
-    Closed,
-}
-impl Display for Status {
-    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        match self {
-            Status::Open => f.write_str("Open"),
-            Status::Closed => f.write_str("Closed"),
-        }
-    }
-}
-
-#[derive(Debug)]
-pub struct Issue<'a> {
-    pub id: IssueId<'a>,
-    pub author: Author,
-    pub timestamp: TimeStamp,
-    pub title: Markdown,
-    pub message: Markdown,
-    pub comments: Vec<Comment<'a>>,
-    pub status: Status,
-    pub last_status_change: Option<TimeStamp>,
-}
-impl<'a> Issue<'a> {
-    pub fn default_with_id(id: Id<'a>) -> Self {
-        Self {
-            id: IssueId::new(id),
-            author: Author::default(),
-            timestamp: TimeStamp::default(),
-            title: Markdown::default(),
-            message: Markdown::default(),
-            comments: <Vec<Comment>>::default(),
-            status: Status::default(),
-            last_status_change: <Option<TimeStamp>>::default(),
-        }
-    }
-
-    pub fn from_commit_id(repo: &'a Repository, commit_id: ObjectId) -> Self {
-        fn unwrap_id<'b>(repo: &Repository, id: &Commit<'b>) -> (RawIssue, Id<'b>) {
-            let tree_obj = repo
-                .find_object(id.tree_id().unwrap())
-                .expect("The object with this id should exist.")
-                .try_into_tree()
-                .expect("The git-bug's data model enforces this.");
-
-            let ops_ref = tree_obj.find_entry("ops").unwrap();
-
-            let issue_data = repo
-                .find_object(ops_ref.object_id())
-                .expect("The object with this id should exist.")
-                .try_into_blob()
-                .expect("The git-bug's data model enforces this.")
-                .data
-                .clone();
-
-            let raw_issue = serde_json::from_str(
-                issue_data
-                    .to_str()
-                    .expect("git-bug's ensures, that this is valid json."),
-            )
-            .expect("The returned json should be valid");
-
-            (raw_issue, id.id())
-        }
-
-        let commit_obj = repo
-            .find_object(commit_id)
-            .expect("The object with this id should exist.")
-            .try_into_commit()
-            .expect("The git-bug's data model enforces this.");
-
-        let mut issues = vec![unwrap_id(repo, &commit_obj)];
-
-        let mut current_commit_obj = commit_obj;
-        while current_commit_obj.parent_ids().count() != 0 {
-            assert_eq!(
-                current_commit_obj.parent_ids().count(),
-                1,
-                "There should be only one parent"
-            );
-            let parent = current_commit_obj
-                .parent_ids()
-                .last()
-                .expect("One does exist");
-
-            let parent_id = parent.object().expect("The object exists").id;
-            let parent_commit = repo
-                .find_object(parent_id)
-                .expect("This is a valid id")
-                .try_into_commit()
-                .expect("This should be a commit");
-
-            issues.push(unwrap_id(repo, &parent_commit));
-            current_commit_obj = parent_commit;
-        }
-
-        let mut final_issue = Self::default_with_id(current_commit_obj.id());
-        for (issue, id) in issues {
-            for op in issue.operations {
-                match op {
-                    Operation::AddComment { timestamp, message } => {
-                        final_issue.comments.push(Comment {
-                            id,
-                            author: issue.author.load_identity(repo),
-                            message: Markdown::from(message),
-                            timestamp: TimeStamp::new(timestamp),
-                        })
-                    }
-                    Operation::Create {
-                        timestamp,
-                        title,
-                        message,
-                    } => {
-                        final_issue.author = issue.author.load_identity(repo);
-                        final_issue.title = Markdown::from(title);
-                        final_issue.message = Markdown::from(message);
-                        final_issue.timestamp = TimeStamp::new(timestamp);
-                    }
-                    Operation::SetStatus { timestamp, status } => {
-                        final_issue.status = status;
-                        final_issue.last_status_change = Some(TimeStamp::new(timestamp));
-                    }
-                }
-            }
-        }
-        final_issue
-    }
-
-    pub fn to_list_entry(&self) -> RawHtml<String> {
-        let comment_list = if self.comments.is_empty() {
-            String::new()
-        } else {
-            format!(
-                r#"
-                <span class="comment-count"> - {} comments</span>
-            "#,
-                self.comments.len()
-            )
-        };
-        let Issue {
-            id,
-            title,
-            message: _,
-            author,
-            timestamp,
-            comments: _,
-            status: _,
-            last_status_change: _,
-        } = self;
-        let Author { name, email } = author;
-        RawHtml(format!(
-            r#"
-               <li>
-                  <a href="/issue/{id}">
-                     <p>
-                        <span class="issue-subject">{title}</span>
-                     </p>
-                     <span class="issue-number">{id}</span> - <span class="created-by-at">Opened by <span class="user-name">{name}</span> <span class="user-email">&lt;{email}&gt;</span> at <span class="timestamp">{timestamp}</span></span>{comment_list}                  </a>
-               </li>
-"#,
-        ))
-    }
-
-    pub fn to_html(&self) -> RawHtml<String> {
-        let fmt_comments: String = self
-            .comments
-            .iter()
-            .map(|val| {
-                let Comment {
-                    id,
-                    author,
-                    message,
-                    timestamp,
-                } = val;
-                let Author { name, email: _ } = author;
-
-                format!(
-                    r#"
-               <li class="comment" id="{id}">
-                  {message}
-                  <p class="comment-info"><span class="user-name">{name} at {timestamp}</span></p>
-               </li>
-                "#,
-                )
-            })
-            .collect::<Vec<String>>()
-            .join("\n");
-
-        let maybe_comments = if fmt_comments.is_empty() {
-            String::new()
-        } else {
-            format!(
-                r#"
-            <ol class="issue-history">
-            {fmt_comments}
-            </ol>
-            "#
-            )
-        };
-
-        {
-            let Issue {
-                id,
-                title,
-                message,
-                author,
-                timestamp,
-                comments: _,
-                status: _,
-                last_status_change: _,
-            } = self;
-            let Author { name, email } = author;
-            let html_title = BackString::from(title.clone());
-
-            RawHtml(format!(
-                r#"
-<!DOCTYPE html>
-<html lang="en">
-   <head>
-      <title>{html_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">
-         <nav>
-         <a href="/issues/open">Open Issues</a>
-         <a href="/issues/closed">Closed Issues</a>
-         </nav>
-         <header>
-            <h1>{title}</h1>
-            <div class="issue-number">{id}</div>
-         </header>
-         <main>
-            <div class="issue-info">
-                <span class="created-by-at">Opened by <span class="user-name">{name}</span> <span class="user-email">&lt;{email}&gt;</span> at <span class="timestamp">{timestamp}</span></span>
-            </div>
-            {message}
-            {maybe_comments}
-         </main>
-         <footer>
-            <nav>
-            <a href="/issues/open">Open Issues</a>
-            <a href="{}">Source code</a>
-            <a href="/issues/closed">Closed Issues</a>
-            </nav>
-         </footer>
-      </div>
-   </body>
-</html>
-"#,
-                SOURCE_CODE_REPOSITORY.get().expect("This should be set")
-            ))
-        }
-    }
-}
diff --git a/pkgs/by-name/ba/back/src/issues/issue/raw.rs b/pkgs/by-name/ba/back/src/issues/issue/raw.rs
deleted file mode 100644
index 48d2a9f..0000000
--- a/pkgs/by-name/ba/back/src/issues/issue/raw.rs
+++ /dev/null
@@ -1,145 +0,0 @@
-// 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 gix::{bstr::ByteSlice, Repository};
-use serde::Deserialize;
-use serde_json::Value;
-
-use crate::issues::format::BackString;
-
-use super::{Author, Status};
-
-macro_rules! get {
-    ($value:expr, $name:expr, $type_fun:ident) => {
-        $value
-            .get($name)
-            .expect(concat!(
-                "Expected field ",
-                stringify!($name),
-                "to exists, but was missing."
-            ))
-            .$type_fun()
-            .expect(concat!(
-                "Failed to interpret field ",
-                stringify!($name),
-                " as ",
-                stringify!($type),
-                "!"
-            ))
-    };
-}
-
-#[derive(Deserialize)]
-pub(super) struct RawIssue {
-    pub(super) author: RawAuthor,
-
-    #[serde(alias = "ops")]
-    pub(super) operations: Vec<Operation>,
-}
-
-#[derive(Deserialize, Clone, Default, Debug)]
-pub(super) struct RawAuthor {
-    id: String,
-}
-
-impl RawAuthor {
-    pub fn load_identity(&self, repo: &Repository) -> Author {
-        let commit_obj = repo
-            .find_reference(&format!("refs/identities/{}", self.id))
-            .expect("All authors should also have identities")
-            .peel_to_commit()
-            .expect("All identities should be commits");
-        let tree_obj = repo
-            .find_tree(
-                commit_obj
-                    .tree()
-                    .expect("The commit should have an tree associated with it")
-                    .id,
-            )
-            .expect("This should be a tree");
-        let data = repo
-            .find_blob(
-                tree_obj
-                    .find_entry("version")
-                    .expect("This entry should exist")
-                    .object()
-                    .expect("This should point to a blob entry")
-                    .id,
-            )
-            .expect("This blob should exist")
-            .data
-            .clone();
-
-        let json: Value = serde_json::from_str(data.to_str().expect("This is encoded json"))
-            .expect("This is valid json");
-
-        Author {
-            name: BackString::from(get! {json, "name", as_str}.to_owned()),
-            email: BackString::from(get! {json, "email", as_str}.to_owned()),
-        }
-    }
-}
-
-#[derive(Deserialize)]
-#[serde(from = "Value")]
-pub(super) enum Operation {
-    AddComment {
-        timestamp: u64,
-        message: String,
-        // files: Option<String>, TODO
-    },
-    SetStatus {
-        timestamp: u64,
-        status: Status,
-    },
-    Create {
-        timestamp: u64,
-        title: String,
-        message: String,
-        // files: Option<String>, TODO
-    },
-}
-
-impl From<u64> for Status {
-    fn from(value: u64) -> Self {
-        match value {
-            1 => Status::Open,
-            2 => Status::Closed,
-            other => todo!("The status ({other}) is not yet implemented."),
-        }
-    }
-}
-
-impl From<Value> for Operation {
-    fn from(value: Value) -> Self {
-        match value
-            .get("type")
-            .expect("Should exist")
-            .as_u64()
-            .expect("This should work")
-        {
-            1 => Self::Create {
-                title: get! {value, "title", as_str}.to_owned(),
-                message: get! {value, "message", as_str}.to_owned(),
-                timestamp: get! {value, "timestamp", as_u64},
-            },
-            3 => Self::AddComment {
-                message: get! {value, "message", as_str}.to_owned(),
-                timestamp: get! {value, "timestamp", as_u64},
-            },
-            4 => Self::SetStatus {
-                status: Status::from(get! {value, "status", as_u64}),
-                timestamp: get! {value, "timestamp", as_u64},
-            },
-            other => todo!("The type ({other}) is not yet added as a a valid operation. It's value is: '{value}''"),
-        }
-    }
-}
diff --git a/pkgs/by-name/ba/back/src/issues/issue_show.rs b/pkgs/by-name/ba/back/src/issues/issue_show.rs
deleted file mode 100644
index 638840e..0000000
--- a/pkgs/by-name/ba/back/src/issues/issue_show.rs
+++ /dev/null
@@ -1,34 +0,0 @@
-// 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 std::fmt::Display;
-
-use gix::hash::Prefix;
-use rocket::request::FromParam;
-
-pub struct BackPrefix {
-    prefix: Prefix,
-}
-impl Display for BackPrefix {
-    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        self.prefix.fmt(f)
-    }
-}
-
-impl<'a> FromParam<'a> for BackPrefix {
-    type Error = gix::hash::prefix::from_hex::Error;
-
-    fn from_param(param: &'a str) -> Result<Self, Self::Error> {
-        let prefix = Prefix::from_hex(param)?;
-
-        Ok(Self { prefix })
-    }
-}
diff --git a/pkgs/by-name/ba/back/src/issues/mod.rs b/pkgs/by-name/ba/back/src/issues/mod.rs
deleted file mode 100644
index 744d5ba..0000000
--- a/pkgs/by-name/ba/back/src/issues/mod.rs
+++ /dev/null
@@ -1,134 +0,0 @@
-// 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 std::path::Path;
-
-use crate::{
-    issues::issue::{Issue, Status},
-    SOURCE_CODE_REPOSITORY,
-};
-use format::BackString;
-use gix::{refs::Target, Repository};
-use issue_show::BackPrefix;
-use rocket::{
-    get,
-    response::content::{RawCss, RawHtml},
-};
-
-use crate::REPOSITORY;
-
-mod format;
-mod issue;
-mod issue_show;
-
-#[get("/style.css")]
-pub fn styles() -> RawCss<String> {
-    RawCss(include_str!("../../assets/style.css").to_owned())
-}
-
-fn list_all_issues(repo: &'_ Repository) -> Vec<Issue<'_>> {
-    repo.refs
-        .iter()
-        .expect("We should be able to iterate over references")
-        .prefixed(Path::new("refs/bugs/"))
-        .expect("The 'refs/bugs/' namespace should exist")
-        .map(|val| {
-            let reference = val.expect("'val' should be an object?");
-            if let Target::Object(commit_id) = reference.target {
-                Issue::from_commit_id(repo, commit_id)
-            } else {
-                unreachable!("All 'refs/bugs/' should contain a clear target.");
-            }
-        })
-        .collect()
-}
-
-pub fn issue_list_boilerplate(wanted_status: Status, counter_status: Status) -> RawHtml<String> {
-    let repository = REPOSITORY.get().expect("This should have been set");
-
-    let issue_list = list_all_issues(&repository.to_thread_local())
-        .iter()
-        .fold(String::new(), |acc, val| {
-            format!("{}{}", acc, &issue_to_string(val, wanted_status).0)
-        });
-
-    let counter_status_lower = counter_status.to_string().to_lowercase();
-    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}
-            </ol>
-         </main>
-      </div>
-   </body>
-</html>
-"#,
-        SOURCE_CODE_REPOSITORY.get().expect("This should be set")
-    ))
-}
-
-#[get("/issues/open")]
-pub fn open() -> RawHtml<String> {
-    issue_list_boilerplate(Status::Open, Status::Closed)
-}
-#[get("/issues/closed")]
-pub fn closed() -> RawHtml<String> {
-    issue_list_boilerplate(Status::Closed, Status::Open)
-}
-
-#[get("/issue/<prefix>")]
-pub fn show_issue(prefix: BackPrefix) -> RawHtml<String> {
-    let repository = REPOSITORY
-        .get()
-        .expect("This should have been set")
-        .to_thread_local();
-
-    let all_issues = list_all_issues(&repository);
-    let maybe_issue = all_issues
-        .iter()
-        .find(|issue| issue.id.to_string().starts_with(&prefix.to_string()));
-
-    match maybe_issue {
-        Some(issue) => issue.to_html(),
-        None => RawHtml(format!("Issue with id '{prefix}' not found!")),
-    }
-}
-
-fn issue_to_string(issue: &Issue<'_>, status: Status) -> RawHtml<String> {
-    if issue.status == status {
-        issue.to_list_entry()
-    } else {
-        RawHtml(String::default())
-    }
-}