split the project in 2

This commit is contained in:
2026-05-29 18:55:56 +01:00
parent 8aadda2d72
commit aef2113198
523 changed files with 2929 additions and 10 deletions
+958
View File
@@ -0,0 +1,958 @@
use axum::{
extract::{Path, Query, State},
http::{header, Method, StatusCode},
response::{IntoResponse, Response},
routing::get,
Json, Router,
};
use rusqlite::{params, Connection, OptionalExtension};
use serde::{Deserialize, Serialize};
use serde_json::json;
use std::{
collections::BTreeMap,
env, fs,
net::SocketAddr,
path::{Path as FsPath, PathBuf},
sync::Arc,
};
use tokio::net::TcpListener;
use tower_http::{
cors::{Any, CorsLayer},
trace::TraceLayer,
};
const MAX_TEAM_NAME_LENGTH: usize = 80;
#[derive(Clone)]
struct AppState {
battles_db: PathBuf,
teams_db: PathBuf,
}
#[derive(Debug)]
struct ApiError {
status: StatusCode,
message: String,
}
impl ApiError {
fn bad_request(message: impl Into<String>) -> Self {
Self {
status: StatusCode::BAD_REQUEST,
message: message.into(),
}
}
fn not_found(message: impl Into<String>) -> Self {
Self {
status: StatusCode::NOT_FOUND,
message: message.into(),
}
}
fn internal(message: impl Into<String>) -> Self {
Self {
status: StatusCode::INTERNAL_SERVER_ERROR,
message: message.into(),
}
}
}
impl IntoResponse for ApiError {
fn into_response(self) -> Response {
(self.status, Json(json!({ "error": self.message }))).into_response()
}
}
type ApiResult<T> = Result<Json<T>, ApiError>;
#[derive(Deserialize)]
struct LimitQuery {
limit: Option<u32>,
}
#[derive(Deserialize)]
struct ResolveQuery {
name: String,
}
#[derive(Deserialize)]
struct SearchQuery {
q: Option<String>,
name: Option<String>,
limit: Option<u32>,
}
#[derive(Serialize)]
struct HealthResponse {
ok: bool,
service: &'static str,
battles_db: String,
teams_db: String,
databases: BTreeMap<&'static str, bool>,
}
#[derive(Serialize)]
struct LeaderboardResponse {
teams: Vec<TeamLeaderboardRow>,
}
#[derive(Serialize)]
struct SearchResponse {
teams: Vec<TeamSearchRow>,
}
#[derive(Serialize)]
struct ResolveResponse {
team_id: i64,
long_name: String,
tag_name: Option<String>,
name: String,
}
#[derive(Serialize)]
struct TeamSearchRow {
team_id: i64,
long_name: String,
tag_name: Option<String>,
members: i64,
clanrating: Option<i64>,
}
#[derive(Serialize)]
struct TeamLeaderboardRow {
team_id: i64,
clan_id: i64,
long_name: String,
tag_name: Option<String>,
short_name: Option<String>,
player_count: i64,
total_battles: i64,
wins: i64,
losses: i64,
win_rate: f64,
total_kills: i64,
points: Points,
}
#[derive(Serialize)]
struct TeamDetail {
team_id: i64,
clan_id: i64,
long_name: String,
tag_name: Option<String>,
short_name: Option<String>,
description: Option<String>,
region: Option<String>,
members: i64,
captain_uid: Option<String>,
guild_id: Option<String>,
created_unix: Option<i64>,
updated_unix: Option<i64>,
clanrating: Option<i64>,
data_set: &'static str,
team_summary: TeamSummary,
players: Vec<PlayerSummary>,
}
#[derive(Serialize)]
struct TeamSummary {
player_count: i64,
total_battles: i64,
wins: i64,
losses: i64,
win_rate: f64,
kdr: f64,
total_kills: i64,
points: Points,
total_points: i64,
}
#[derive(Serialize)]
struct Points {
total_points: i64,
}
#[derive(Serialize)]
struct PlayerSummary {
uid: String,
nick: Option<String>,
role: String,
joined_unix: Option<i64>,
points: i64,
sqb_points: i64,
total_battles: i64,
wins: i64,
losses: i64,
win_rate: f64,
total_kills: i64,
ground_kills: i64,
air_kills: i64,
assists: i64,
deaths: i64,
kdr: f64,
}
#[derive(Serialize)]
struct HistoryResponse {
team_id: i64,
long_name: String,
tag_name: Option<String>,
history: Vec<PeriodHistory>,
rating_hourly: Vec<RatingPoint>,
}
#[derive(Serialize)]
struct PeriodHistory {
period: String,
battles: i64,
wins: i64,
losses: i64,
win_rate: f64,
}
#[derive(Serialize)]
struct RatingPoint {
timestamp: i64,
rating: i64,
}
#[derive(Serialize)]
struct GamesResponse {
team_id: i64,
long_name: String,
tag_name: Option<String>,
games: Vec<GameRow>,
}
#[derive(Serialize)]
struct GameRow {
session_id: String,
timestamp: i64,
endtime_unix: i64,
map_name: Option<String>,
mission_mode: Option<String>,
result: String,
player_count: i64,
winning_team: Option<String>,
losing_team: Option<String>,
stats: GameStats,
}
#[derive(Serialize)]
struct GameStats {
ground_kills: i64,
air_kills: i64,
assists: i64,
captures: i64,
deaths: i64,
score: i64,
missile_evades: i64,
shell_interceptions: i64,
team_kills_stat: i64,
}
struct TeamRecord {
team_id: i64,
long_name: String,
tag_name: Option<String>,
description: Option<String>,
region: Option<String>,
members: i64,
captain_uid: Option<String>,
guild_id: Option<String>,
created_unix: Option<i64>,
updated_unix: Option<i64>,
clanrating: Option<i64>,
}
#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
load_root_env();
tracing_subscriber::fmt()
.with_env_filter(tracing_subscriber::EnvFilter::from_default_env())
.init();
let port = env_u16("BACKEND_PORT")
.or_else(|| env_u16("PORT"))
.unwrap_or(6000);
let state = Arc::new(AppState {
battles_db: resolve_db_path("TSS_BATTLES_DB", "tss_battles.db"),
teams_db: resolve_db_path("TSS_TEAMS_DB", "tss_teams.db"),
});
let app = Router::new()
.route("/health", get(health))
.route("/api/tss/leaderboard/teams", get(leaderboard))
.route("/api/tss/teams/resolve", get(resolve_team))
.route("/api/tss/teams/search", get(search_teams))
.route("/api/tss/teams/{team}", get(team_detail))
.route("/api/tss/teams/{team}/history", get(team_history))
.route("/api/tss/teams/{team}/games", get(team_games))
.layer(
CorsLayer::new()
.allow_methods([Method::GET])
.allow_origin(Any)
.allow_headers([header::ACCEPT, header::CONTENT_TYPE]),
)
.layer(TraceLayer::new_for_http())
.with_state(state);
let addr = SocketAddr::from(([0, 0, 0, 0], port));
let listener = TcpListener::bind(addr).await?;
tracing::info!("tssbot backend listening on http://{}", addr);
axum::serve(listener, app)
.with_graceful_shutdown(shutdown_signal())
.await?;
Ok(())
}
async fn shutdown_signal() {
let ctrl_c = async {
tokio::signal::ctrl_c()
.await
.expect("failed to install Ctrl+C handler");
};
#[cfg(unix)]
let terminate = async {
tokio::signal::unix::signal(tokio::signal::unix::SignalKind::terminate())
.expect("failed to install signal handler")
.recv()
.await;
};
#[cfg(not(unix))]
let terminate = std::future::pending::<()>();
tokio::select! {
_ = ctrl_c => {},
_ = terminate => {},
}
}
async fn health(State(state): State<Arc<AppState>>) -> Json<HealthResponse> {
let mut databases = BTreeMap::new();
databases.insert(
"battles",
Connection::open_with_flags(
&state.battles_db,
rusqlite::OpenFlags::SQLITE_OPEN_READ_ONLY,
)
.is_ok(),
);
databases.insert(
"teams",
Connection::open_with_flags(&state.teams_db, rusqlite::OpenFlags::SQLITE_OPEN_READ_ONLY)
.is_ok(),
);
Json(HealthResponse {
ok: databases.values().all(|ok| *ok),
service: "tssbot-backend",
battles_db: state.battles_db.display().to_string(),
teams_db: state.teams_db.display().to_string(),
databases,
})
}
async fn leaderboard(
State(state): State<Arc<AppState>>,
Query(query): Query<LimitQuery>,
) -> ApiResult<LeaderboardResponse> {
let limit = i64::from(query.limit.unwrap_or(100).clamp(1, 100));
let teams_conn = open_db(&state.teams_db)?;
let battles_conn = open_db(&state.battles_db)?;
let mut stmt = teams_conn
.prepare(
"SELECT team_id, long_name, tag_name, description, region, members, captain_uid, guild_id,
created_unix, updated_unix, clanrating
FROM teams_data
ORDER BY COALESCE(clanrating, 0) DESC, members DESC, long_name COLLATE NOCASE ASC
LIMIT ?1",
)
.map_err(db_error)?;
let teams = stmt
.query_map(params![limit], |row| read_team_record(row))
.map_err(db_error)?
.collect::<Result<Vec<_>, _>>()
.map_err(db_error)?;
let mut rows = Vec::with_capacity(teams.len());
for team in teams {
let summary = team_summary_for(&battles_conn, team.team_id)?;
rows.push(TeamLeaderboardRow {
team_id: team.team_id,
clan_id: team.team_id,
long_name: team.long_name.clone(),
tag_name: team.tag_name.clone(),
short_name: team.tag_name.clone(),
player_count: team.members,
total_battles: summary.total_battles,
wins: summary.wins,
losses: summary.losses,
win_rate: summary.win_rate,
total_kills: summary.total_kills,
points: Points {
total_points: team.clanrating.unwrap_or(summary.total_points),
},
});
}
Ok(Json(LeaderboardResponse { teams: rows }))
}
async fn resolve_team(
State(state): State<Arc<AppState>>,
Query(query): Query<ResolveQuery>,
) -> ApiResult<ResolveResponse> {
let name = validate_team_name(&query.name)?;
let conn = open_db(&state.teams_db)?;
let team = find_team(&conn, name)?.ok_or_else(|| ApiError::not_found("Team not found"))?;
Ok(Json(ResolveResponse {
team_id: team.team_id,
long_name: team.long_name.clone(),
tag_name: team.tag_name.clone(),
name: team.tag_name.clone().unwrap_or(team.long_name),
}))
}
async fn search_teams(
State(state): State<Arc<AppState>>,
Query(query): Query<SearchQuery>,
) -> ApiResult<SearchResponse> {
let raw = query.q.as_deref().or(query.name.as_deref()).unwrap_or("");
let name = validate_team_name(raw)?;
let limit = i64::from(query.limit.unwrap_or(10).clamp(1, 20));
let like = format!("%{}%", escape_like(name));
let conn = open_db(&state.teams_db)?;
let mut stmt = conn
.prepare(
"SELECT team_id, long_name, tag_name, members, clanrating
FROM teams_data
WHERE long_name LIKE ?1 ESCAPE '\\' OR tag_name LIKE ?1 ESCAPE '\\'
ORDER BY
CASE
WHEN tag_name = ?2 COLLATE NOCASE THEN 0
WHEN long_name = ?2 COLLATE NOCASE THEN 1
ELSE 2
END,
COALESCE(clanrating, 0) DESC,
long_name COLLATE NOCASE ASC
LIMIT ?3",
)
.map_err(db_error)?;
let teams = stmt
.query_map(params![like, name, limit], |row| {
Ok(TeamSearchRow {
team_id: row.get(0)?,
long_name: row.get(1)?,
tag_name: row.get(2)?,
members: row.get(3)?,
clanrating: row.get(4)?,
})
})
.map_err(db_error)?
.collect::<Result<Vec<_>, _>>()
.map_err(db_error)?;
Ok(Json(SearchResponse { teams }))
}
async fn team_detail(
State(state): State<Arc<AppState>>,
Path(team_name): Path<String>,
) -> ApiResult<TeamDetail> {
let decoded = decode_path_team(&team_name)?;
let teams_conn = open_db(&state.teams_db)?;
let battles_conn = open_db(&state.battles_db)?;
let team =
find_team(&teams_conn, &decoded)?.ok_or_else(|| ApiError::not_found("Team not found"))?;
let summary = team_summary_for(&battles_conn, team.team_id)?;
let players = player_summaries_for(&teams_conn, &battles_conn, team.team_id)?;
Ok(Json(TeamDetail {
team_id: team.team_id,
clan_id: team.team_id,
long_name: team.long_name,
tag_name: team.tag_name.clone(),
short_name: team.tag_name,
description: team.description,
region: team.region,
members: team.members,
captain_uid: team.captain_uid,
guild_id: team.guild_id,
created_unix: team.created_unix,
updated_unix: team.updated_unix,
clanrating: team.clanrating,
data_set: "tss",
team_summary: summary,
players,
}))
}
async fn team_history(
State(state): State<Arc<AppState>>,
Path(team_name): Path<String>,
) -> ApiResult<HistoryResponse> {
let decoded = decode_path_team(&team_name)?;
let teams_conn = open_db(&state.teams_db)?;
let battles_conn = open_db(&state.battles_db)?;
let team =
find_team(&teams_conn, &decoded)?.ok_or_else(|| ApiError::not_found("Team not found"))?;
let history = period_history_for(&battles_conn, team.team_id)?;
let rating_hourly = rating_history_for(&teams_conn, team.team_id)?;
Ok(Json(HistoryResponse {
team_id: team.team_id,
long_name: team.long_name,
tag_name: team.tag_name,
history,
rating_hourly,
}))
}
async fn team_games(
State(state): State<Arc<AppState>>,
Path(team_name): Path<String>,
) -> ApiResult<GamesResponse> {
let decoded = decode_path_team(&team_name)?;
let teams_conn = open_db(&state.teams_db)?;
let battles_conn = open_db(&state.battles_db)?;
let team =
find_team(&teams_conn, &decoded)?.ok_or_else(|| ApiError::not_found("Team not found"))?;
let games = games_for(&battles_conn, team.team_id)?;
Ok(Json(GamesResponse {
team_id: team.team_id,
long_name: team.long_name,
tag_name: team.tag_name,
games,
}))
}
fn open_db(path: &FsPath) -> Result<Connection, ApiError> {
Connection::open_with_flags(path, rusqlite::OpenFlags::SQLITE_OPEN_READ_ONLY).map_err(|error| {
ApiError::internal(format!("Could not open {}: {}", path.display(), error))
})
}
fn db_error(error: rusqlite::Error) -> ApiError {
ApiError::internal(format!("Database query failed: {}", error))
}
fn read_team_record(row: &rusqlite::Row<'_>) -> rusqlite::Result<TeamRecord> {
Ok(TeamRecord {
team_id: row.get(0)?,
long_name: row.get(1)?,
tag_name: row.get(2)?,
description: row.get(3)?,
region: row.get(4)?,
members: row.get(5)?,
captain_uid: row.get(6)?,
guild_id: row.get(7)?,
created_unix: row.get(8)?,
updated_unix: row.get(9)?,
clanrating: row.get(10)?,
})
}
fn find_team(conn: &Connection, name: &str) -> Result<Option<TeamRecord>, ApiError> {
conn.query_row(
"SELECT team_id, long_name, tag_name, description, region, members, captain_uid, guild_id,
created_unix, updated_unix, clanrating
FROM teams_data
WHERE team_id = ?1
OR long_name = ?2 COLLATE NOCASE
OR tag_name = ?2 COLLATE NOCASE
ORDER BY
CASE
WHEN tag_name = ?2 COLLATE NOCASE THEN 0
WHEN long_name = ?2 COLLATE NOCASE THEN 1
ELSE 2
END
LIMIT 1",
params![name.parse::<i64>().ok(), name],
read_team_record,
)
.optional()
.map_err(db_error)
}
fn team_summary_for(conn: &Connection, team_id: i64) -> Result<TeamSummary, ApiError> {
conn.query_row(
"SELECT
COUNT(DISTINCT session_id),
SUM(CASE WHEN victor_bool = 'Win' THEN 1 ELSE 0 END),
SUM(CASE WHEN victor_bool != 'Win' THEN 1 ELSE 0 END),
COALESCE(SUM(ground_kills), 0),
COALESCE(SUM(air_kills), 0),
COALESCE(SUM(assists), 0),
COALESCE(SUM(deaths), 0),
COALESCE(SUM(score), 0),
COUNT(DISTINCT UID)
FROM player_games_hist
WHERE team_id = ?1",
params![team_id],
|row| {
let battles: i64 = row.get(0)?;
let wins: i64 = row.get(1)?;
let losses: i64 = row.get(2)?;
let ground: i64 = row.get(3)?;
let air: i64 = row.get(4)?;
let assists: i64 = row.get(5)?;
let deaths: i64 = row.get(6)?;
let score: i64 = row.get(7)?;
let player_count: i64 = row.get(8)?;
let total_kills = ground + air;
Ok(TeamSummary {
player_count,
total_battles: battles,
wins,
losses,
win_rate: percent(wins, battles),
kdr: ratio(total_kills, deaths),
total_kills,
points: Points {
total_points: score + assists + total_kills,
},
total_points: score + assists + total_kills,
})
},
)
.map_err(db_error)
}
fn player_summaries_for(
teams_conn: &Connection,
battles_conn: &Connection,
team_id: i64,
) -> Result<Vec<PlayerSummary>, ApiError> {
let mut stmt = teams_conn
.prepare(
"SELECT uid, nick, role, joined_unix, points
FROM team_members
WHERE team_id = ?1
ORDER BY points DESC, nick COLLATE NOCASE ASC",
)
.map_err(db_error)?;
let members = stmt
.query_map(params![team_id], |row| {
Ok((
row.get::<_, String>(0)?,
row.get::<_, Option<String>>(1)?,
row.get::<_, String>(2)?,
row.get::<_, Option<i64>>(3)?,
row.get::<_, i64>(4)?,
))
})
.map_err(db_error)?
.collect::<Result<Vec<_>, _>>()
.map_err(db_error)?;
let mut out = Vec::with_capacity(members.len());
let mut stats_stmt = battles_conn
.prepare(
"SELECT
COUNT(DISTINCT session_id),
SUM(CASE WHEN victor_bool = 'Win' THEN 1 ELSE 0 END),
SUM(CASE WHEN victor_bool != 'Win' THEN 1 ELSE 0 END),
COALESCE(SUM(ground_kills), 0),
COALESCE(SUM(air_kills), 0),
COALESCE(SUM(assists), 0),
COALESCE(SUM(deaths), 0),
COALESCE(SUM(score), 0)
FROM player_games_hist
WHERE team_id = ?1 AND UID = ?2",
)
.map_err(db_error)?;
for (uid, nick, role, joined_unix, points) in members {
let summary = stats_stmt
.query_row(params![team_id, uid], |row| {
let battles: i64 = row.get(0)?;
let wins: i64 = row.get(1)?;
let losses: i64 = row.get(2)?;
let ground: i64 = row.get(3)?;
let air: i64 = row.get(4)?;
let assists: i64 = row.get(5)?;
let deaths: i64 = row.get(6)?;
let score: i64 = row.get(7)?;
let total_kills = ground + air;
Ok(PlayerSummary {
uid: uid.clone(),
nick: nick.clone(),
role: role.clone(),
joined_unix,
points,
sqb_points: if points == 0 {
score + assists + total_kills
} else {
points
},
total_battles: battles,
wins,
losses,
win_rate: percent(wins, battles),
total_kills,
ground_kills: ground,
air_kills: air,
assists,
deaths,
kdr: ratio(total_kills, deaths),
})
})
.map_err(db_error)?;
out.push(summary);
}
Ok(out)
}
fn period_history_for(conn: &Connection, team_id: i64) -> Result<Vec<PeriodHistory>, ApiError> {
let mut stmt = conn
.prepare(
"SELECT
strftime('%Y-%m', endtime_unix, 'unixepoch') AS period,
COUNT(DISTINCT session_id),
SUM(CASE WHEN victor_bool = 'Win' THEN 1 ELSE 0 END),
SUM(CASE WHEN victor_bool != 'Win' THEN 1 ELSE 0 END)
FROM player_games_hist
WHERE team_id = ?1 AND endtime_unix > 0
GROUP BY period
ORDER BY period ASC",
)
.map_err(db_error)?;
stmt.query_map(params![team_id], |row| {
let period: String = row.get(0)?;
let battles: i64 = row.get(1)?;
let wins: i64 = row.get(2)?;
let losses: i64 = row.get(3)?;
Ok(PeriodHistory {
period,
battles,
wins,
losses,
win_rate: percent(wins, battles),
})
})
.map_err(db_error)?
.collect::<Result<Vec<_>, _>>()
.map_err(db_error)
}
fn rating_history_for(conn: &Connection, team_id: i64) -> Result<Vec<RatingPoint>, ApiError> {
let mut stmt = conn
.prepare(
"SELECT unix_time, COALESCE(total_score, 0)
FROM teams_points
WHERE team_id = ?1
ORDER BY unix_time ASC",
)
.map_err(db_error)?;
stmt.query_map(params![team_id], |row| {
Ok(RatingPoint {
timestamp: row.get(0)?,
rating: row.get(1)?,
})
})
.map_err(db_error)?
.collect::<Result<Vec<_>, _>>()
.map_err(db_error)
}
fn games_for(conn: &Connection, team_id: i64) -> Result<Vec<GameRow>, ApiError> {
let mut stmt = conn
.prepare(
"SELECT
p.session_id,
COALESCE(m.endtime_unix, MAX(p.endtime_unix), 0) AS timestamp,
m.mission_mode,
CASE
WHEN MAX(CASE WHEN p.victor_bool = 'Win' THEN 1 ELSE 0 END) = 1 THEN 'Win'
ELSE 'Loss'
END AS result,
COUNT(DISTINCT p.UID),
COALESCE(SUM(p.ground_kills), 0),
COALESCE(SUM(p.air_kills), 0),
COALESCE(SUM(p.assists), 0),
COALESCE(SUM(p.captures), 0),
COALESCE(SUM(p.deaths), 0),
COALESCE(SUM(p.score), 0),
COALESCE(SUM(p.missile_evades), 0),
COALESCE(SUM(p.shell_interceptions), 0),
COALESCE(SUM(p.team_kills_stat), 0),
m.winning_team,
m.losing_team
FROM player_games_hist p
LEFT JOIN match_summary m ON m.session_id = p.session_id
WHERE p.team_id = ?1
GROUP BY p.session_id
ORDER BY timestamp DESC
LIMIT 100",
)
.map_err(db_error)?;
stmt.query_map(params![team_id], |row| {
let session_id: String = row.get(0)?;
let timestamp: i64 = row.get(1)?;
let mission_mode: Option<String> = row.get(2)?;
Ok(GameRow {
session_id,
timestamp,
endtime_unix: timestamp,
map_name: mission_mode.clone(),
mission_mode,
result: row.get(3)?,
player_count: row.get(4)?,
winning_team: row.get(14)?,
losing_team: row.get(15)?,
stats: GameStats {
ground_kills: row.get(5)?,
air_kills: row.get(6)?,
assists: row.get(7)?,
captures: row.get(8)?,
deaths: row.get(9)?,
score: row.get(10)?,
missile_evades: row.get(11)?,
shell_interceptions: row.get(12)?,
team_kills_stat: row.get(13)?,
},
})
})
.map_err(db_error)?
.collect::<Result<Vec<_>, _>>()
.map_err(db_error)
}
fn validate_team_name(name: &str) -> Result<&str, ApiError> {
let trimmed = name.trim();
if trimmed.len() < 2 || trimmed.len() > MAX_TEAM_NAME_LENGTH {
return Err(ApiError::bad_request(
"Team name must be 2 to 80 characters",
));
}
Ok(trimmed)
}
fn decode_path_team(value: &str) -> Result<String, ApiError> {
let decoded = urlencoding::decode(value)
.map_err(|_| ApiError::bad_request("Invalid team name"))?
.into_owned();
validate_team_name(&decoded)?;
Ok(decoded)
}
fn escape_like(value: &str) -> String {
value
.replace('\\', "\\\\")
.replace('%', "\\%")
.replace('_', "\\_")
}
fn percent(part: i64, total: i64) -> f64 {
if total <= 0 {
0.0
} else {
(part as f64 / total as f64) * 100.0
}
}
fn ratio(top: i64, bottom: i64) -> f64 {
if bottom <= 0 {
top as f64
} else {
top as f64 / bottom as f64
}
}
fn env_u16(key: &str) -> Option<u16> {
env::var(key).ok()?.parse().ok()
}
fn resolve_db_path(env_key: &str, default_file: &str) -> PathBuf {
let raw = env::var(env_key).unwrap_or_else(|_| default_file.to_string());
let expanded = expand_home(&raw);
let path = PathBuf::from(expanded);
if path.is_absolute() {
path
} else {
env::current_dir()
.unwrap_or_else(|_| PathBuf::from("."))
.join(path)
}
}
fn expand_home(value: &str) -> String {
if value == "~" {
return home_dir()
.map(|p| p.display().to_string())
.unwrap_or_else(|| value.to_string());
}
if let Some(rest) = value
.strip_prefix("~/")
.or_else(|| value.strip_prefix("~\\"))
{
if let Some(home) = home_dir() {
return home.join(rest).display().to_string();
}
}
value.to_string()
}
fn home_dir() -> Option<PathBuf> {
env::var_os("HOME")
.or_else(|| env::var_os("USERPROFILE"))
.map(PathBuf::from)
}
fn load_root_env() {
let candidates = [
env::current_dir().ok().map(|path| path.join(".env")),
env::current_dir()
.ok()
.and_then(|path| path.parent().map(|parent| parent.join(".env"))),
Some(
PathBuf::from(env!("CARGO_MANIFEST_DIR"))
.join("..")
.join(".env"),
),
];
for candidate in candidates.into_iter().flatten() {
if candidate.exists() {
load_env_file(&candidate);
return;
}
}
}
fn load_env_file(path: &FsPath) {
let Ok(contents) = fs::read_to_string(path) else {
return;
};
for line in contents.lines() {
let trimmed = line.trim();
if trimmed.is_empty() || trimmed.starts_with('#') {
continue;
}
let Some((key, value)) = trimmed.split_once('=') else {
continue;
};
let key = key.trim();
if key.is_empty() || env::var_os(key).is_some() {
continue;
}
let value = value
.trim()
.trim_matches('"')
.trim_matches('\'')
.to_string();
env::set_var(key, value);
}
}