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use serde::{Deserialize, Serialize};
#[cfg(feature = "ssr")]
use tokio::sync::Mutex;
use uuid::Uuid;
#[cfg(feature = "ssr")]
use fs2::FileExt;
#[cfg(feature = "ssr")]
use std::fs::File;
#[cfg(feature = "ssr")]
use std::sync::LazyLock;
use std::{collections::HashMap, path::Path, sync::Arc};
mod config;
mod namespace;
mod page;
use config::Config;
pub use namespace::{Namespace, Namespaces};
pub use page::{Page, Pages};
#[derive(Hash, PartialEq, Eq, Clone, Debug, Deserialize, Serialize)]
pub struct PageUuid(Uuid);
#[cfg(feature = "ssr")]
pub static CONFIG: LazyLock<Config> =
LazyLock::new(|| Config::read_from_file().expect("Could not open config file"));
#[cfg(feature = "ssr")]
static DATA_LOCK: LazyLock<StormscribeData> = LazyLock::new(|| {
let config = &CONFIG;
let lock_path = Path::join(&config.data_dir, ".lock");
let lockfile = std::fs::OpenOptions::new()
.read(true)
.write(true)
.create(true)
.open(&lock_path)
.map_err(|_| "Could not open data directory".to_string())
.unwrap();
lockfile
.try_lock_exclusive()
.map_err(|_| "Could not lock data directory".to_string())
.unwrap();
StormscribeData {
file_lock: lockfile,
data_snapshot: Mutex::new(Arc::new(DataSnapshot {
namespaces: Namespaces::init(&Path::join(&config.data_dir, "namespace/")).unwrap(),
pages: Pages::init(&Path::join(&config.data_dir, "pages/")).unwrap(),
})),
}
});
#[cfg(feature = "ssr")]
pub struct StormscribeData {
file_lock: File,
data_snapshot: Mutex<Arc<DataSnapshot>>,
}
struct DataSnapshot {
namespaces: Namespaces,
pages: Pages,
}
#[derive(Deserialize, Serialize, Clone, Debug)]
pub struct PageData {
path: String,
metadata: Option<Page>,
content: String,
}
#[cfg(feature = "ssr")]
impl StormscribeData {
async fn get_snapshot() -> Arc<DataSnapshot> {
DATA_LOCK.data_snapshot.lock().await.clone()
}
pub async fn get_namespace() -> Namespace {
StormscribeData::get_snapshot()
.await
.namespaces
.root
.clone()
}
pub async fn get_all_pages() -> HashMap<PageUuid, Page> {
StormscribeData::get_snapshot().await.pages.pages.clone()
}
pub async fn get_page_data(page_path: String) -> PageData {
let data = Self::get_snapshot().await;
let page = data
.namespaces
.get_page_uuid(&page_path)
.map(|page_uuid| data.pages.get_page(&page_uuid))
.flatten();
let content = if let Some(page) = page.cloned() {
page.read_content().await.ok()
} else {
None
};
PageData {
path: page_path,
metadata: page.cloned(),
content: content.unwrap_or(String::new()),
}
}
}
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