systemprompt-logging 0.2.0

pub mod extension;
pub mod layer;
pub mod models;
pub mod repository;
pub mod services;
pub mod trace;

pub use extension::LoggingExtension;

pub use layer::DatabaseLayer;
pub use models::{LogEntry, LogFilter, LogLevel};
pub use repository::{AnalyticsEvent, AnalyticsRepository, LoggingRepository};
#[cfg(feature = "cli")]
pub use services::CliService;
pub use services::{
    DatabaseLogService, FilterSystemFields, LoggingMaintenanceService, RequestSpan,
    RequestSpanBuilder, SystemSpan, is_startup_mode, publish_log, set_log_publisher,
    set_startup_mode,
};
pub use trace::{
    AiRequestDetail, AiRequestFilter, AiRequestInfo, AiRequestListItem, AiRequestStats,
    AiRequestSummary, AiTraceService, AuditLookupResult, AuditToolCallRow, ConversationMessage,
    ExecutionStep, ExecutionStepSummary, LevelCount, LinkedMcpCall, LogSearchFilter, LogSearchItem,
    LogTimeRange, McpExecutionSummary, McpToolExecution, ModelStatsRow, ModuleCount,
    ProviderStatsRow, TaskArtifact, TaskInfo, ToolExecutionFilter, ToolExecutionItem, ToolLogEntry,
    TraceEvent, TraceListFilter, TraceListItem, TraceQueryService,
};

use std::sync::OnceLock;

use layer::ProxyDatabaseLayer;
use systemprompt_database::DbPool;
use tracing_subscriber::layer::SubscriberExt;
use tracing_subscriber::util::SubscriberInitExt;
use tracing_subscriber::{EnvFilter, Layer};

static SUBSCRIBER_INITIALIZED: OnceLock<()> = OnceLock::new();
static DB_PROXY: OnceLock<ProxyDatabaseLayer> = OnceLock::new();

const NOISE_FILTERS: &[&str] = &[
    "tokio_cron_scheduler=warn",
    "sqlx::postgres::notice=warn",
    "sqlx::query=warn",
    "handlebars=warn",
    "systemprompt_database::lifecycle=info",
    "systemprompt_templates=info",
    "systemprompt_extension::registry=info",
    "systemprompt_api::services::middleware::session=info",
];

fn build_filter(base: &str) -> EnvFilter {
    let filter_str = std::iter::once(base.to_string())
        .chain(NOISE_FILTERS.iter().map(ToString::to_string))
        .collect::<Vec<_>>()
        .join(",");
    EnvFilter::new(filter_str)
}

fn ensure_subscriber(level_override: Option<&str>) {
    if SUBSCRIBER_INITIALIZED.set(()).is_err() {
        return;
    }

    let console_filter = level_override.map_or_else(
        || {
            if is_startup_mode() {
                EnvFilter::new("warn")
            } else {
                EnvFilter::try_from_default_env().unwrap_or_else(|_| build_filter("info"))
            }
        },
        |level| EnvFilter::try_from_default_env().unwrap_or_else(|_| build_filter(level)),
    );

    let fmt_layer = tracing_subscriber::fmt::layer()
        .fmt_fields(FilterSystemFields::new())
        .with_target(true)
        .with_writer(std::io::stderr)
        .with_filter(console_filter);

    let proxy = DB_PROXY.get_or_init(ProxyDatabaseLayer::new).clone();
    let db_layer = proxy.with_filter(tracing_subscriber::filter::LevelFilter::INFO);

    tracing_subscriber::registry()
        .with(fmt_layer)
        .with(db_layer)
        .init();
}

pub fn init_logging(db_pool: DbPool) {
    ensure_subscriber(None);

    let proxy = DB_PROXY.get_or_init(ProxyDatabaseLayer::new);
    proxy.attach(db_pool);
}

pub fn init_console_logging() {
    init_console_logging_with_level(None);
}

pub fn init_console_logging_with_level(level: Option<&str>) {
    ensure_subscriber(level);
}