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#[cfg(test)]
use crate::config::ConfigData;
use crate::{
ActPackage, ActPlugin, Config, Engine, config::ConfigLog, package::ActPackageRegister,
};
use std::{path::Path, sync::Arc};
pub struct EngineBuilder {
config: Config,
plugins: Vec<Arc<dyn ActPlugin>>,
packages: Vec<ActPackageRegister>,
resolvers: Vec<(String, Arc<dyn crate::config::ConfigResolver>)>,
}
impl Default for EngineBuilder {
fn default() -> Self {
Self::new()
}
}
impl EngineBuilder {
pub fn new() -> Self {
let mut config = Config::default();
#[cfg(not(test))]
let file = Path::new("config/acts.toml");
#[cfg(test)]
let file = Path::new("test/acts.toml");
if file.exists() {
config = Config::create(file);
}
Self {
config,
plugins: Vec::new(),
packages: Vec::new(),
resolvers: Vec::new(),
}
}
#[cfg(test)]
pub fn set_config(mut self, data: &ConfigData) -> Self {
self.config = Config {
data: data.clone(),
table: toml::Table::new(),
};
self
}
pub fn set_config_source(mut self, source: &Path) -> Self {
self.config = Config::create(source);
self
}
pub fn log(mut self, dir: &str, level: &str) -> Self {
self.config.data.log = Some(ConfigLog {
dir: dir.to_string(),
level: level.to_string(),
});
self
}
pub fn cache_size(mut self, size: i64) -> Self {
self.config.data.cache_cap = Some(size);
self
}
pub fn tick_interval_secs(mut self, secs: i64) -> Self {
self.config.data.tick_interval_secs = Some(secs);
self
}
pub fn max_message_retry_times(mut self, retry_times: i32) -> Self {
self.config.data.max_message_retry_times = Some(retry_times);
self
}
/// register plugin
///
/// ## Example
///
/// ```no_run
/// use acts::{ActPlugin, Message, Engine, Workflow, Result};
///
/// #[derive(Clone)]
/// struct TestPlugin;
/// impl TestPlugin {
/// fn new() -> Self {
/// Self
/// }
/// }
/// #[async_trait::async_trait]
/// impl ActPlugin for TestPlugin {
/// fn on_init(&self, engine: &Engine) -> Result<()> {
/// println!("TestPlugin");
/// engine.channel().on_start(|e| {});
/// engine.channel().on_complete(|e| {});
/// engine.channel().on_message(|e| {});
/// Ok(())
/// }
/// }
///
/// #[tokio::main]
/// async fn main() {
/// let engine = Engine::builder().add_plugin(&TestPlugin::new()).build().start().unwrap();
/// }
/// ```
pub fn add_plugin<T>(mut self, plugin: &T) -> Self
where
T: ActPlugin + Clone + 'static,
{
self.plugins.push(Arc::new(plugin.clone()));
self
}
/// register package
//// ## Example
/// ```no_run
/// use acts::{ActPackage, ActPackageDefinition, ActPackageCatalog, Context, Engine, Result, Vars};
/// use serde::{Deserialize, Serialize};
/// use serde_json::json;
///
/// #[derive(Debug, Clone, Deserialize, Serialize)]
/// struct MyPackage;
///
/// #[async_trait::async_trait]
/// impl ActPackage for MyPackage {
/// fn definition() -> ActPackageDefinition {
/// ActPackageDefinition {
/// id: "my_package",
/// name: "my package",
/// desc: "",
/// icon: "",
/// doc: "",
/// version: "0.1.0",
/// schema: json!({}),
/// options: Some(json!({})),
/// run_as: acts::ActRunAs::Func,
/// resources: vec![],
/// catalog: ActPackageCatalog::App,
/// }
/// }
///
/// fn new(_config: &acts::Config) -> Result<Self> {
/// Ok(Self)
/// }
///
/// async fn execute(&self, ctx: &Context, params: &serde_json::Value) -> Result<Option<Vars>> {
/// // do something with ctx
/// Ok(None)
/// }
/// }
/// #[tokio::main]
/// async fn main() {
/// let engine = Engine::builder().add_package::<MyPackage>().build().start().unwrap();
/// }
/// ```
pub fn add_package<T>(mut self) -> Self
where
T: ActPackage + Clone + 'static,
{
let package_register = ActPackageRegister::new::<T>();
self.packages.push(package_register);
self
}
/// register config resolver
///
/// Resolvers are invoked at `proc.start()` on each task to inject
/// tenant-scoped configuration into sealed data, which inherits
/// from parent tasks.
///
/// ## Example
///
/// ```no_run
/// use acts::{ConfigResolver, Engine, Result, Vars};
/// use std::sync::Arc;
///
/// struct MyResolver {
/// data: Vars,
/// }
///
/// #[async_trait::async_trait]
/// impl ConfigResolver for MyResolver {
/// async fn resolve(&self, _ctx: &Vars) -> Result<Vars> {
/// Ok(self.data.clone())
/// }
/// }
///
/// #[tokio::main]
/// async fn main() {
/// let resolver = Arc::new(MyResolver {
/// data: Vars::new()
/// .with("secrets", Vars::new().with("TOKEN", "abc123")),
/// });
/// let engine = Engine::builder()
/// .add_resolver("profile", resolver)
/// .build()
/// .start()
/// .unwrap();
/// }
/// ```
pub fn add_resolver(
mut self,
name: &str,
resolver: Arc<dyn crate::config::ConfigResolver>,
) -> Self {
self.resolvers.push((name.to_string(), resolver));
self
}
pub fn build(self) -> Engine {
Engine::new()
.with_config(&self.config)
.set_plugins(self.plugins.clone())
.set_packages(self.packages.clone())
.set_resolvers(self.resolvers.clone())
}
}