acts 0.18.0

a fast, lightweight, extensiable workflow engine
Documentation 
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use crate::{
    ActError, ModelInfo, Result, Vars,
    package::{
        ActPackage, ActPackageCatalog, ActPackageFn, ActPackageMeta, ActPackageRegister, ActRunAs,
    },
    utils::consts,
};
use serde::Serialize;
use serde_json::json;
use std::sync::Arc;

#[derive(Debug, Clone, Serialize)]
pub struct ManualEventPackage(Option<String>);

impl ActPackage for ManualEventPackage {
    fn meta() -> ActPackageMeta {
        ActPackageMeta {
            id: "acts.event.chat",
            name: "Chat",
            desc: "do an event by chat",
            version: "0.1.0",
            icon: r#"<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-message-circle-more-icon lucide-message-circle-more"><path d="M7.9 20A9 9 0 1 0 4 16.1L2 22Z"/><path d="M8 12h.01"/><path d="M12 12h.01"/><path d="M16 12h.01"/></svg>"#,
            doc: "",
            in_schema: json!({
                "type": "string",
                "title": "Chat Message",
                "description": "The chat message to send",
                "default": "",
            }),
            ui_schema: Some(json!({
                "ui:widget": "textarea",

            })),
            run_as: ActRunAs::Func,
            resources: vec![],
            catalog: ActPackageCatalog::Event,
        }
    }
}

impl ActPackageFn for ManualEventPackage {
    fn start(&self, rt: &Arc<crate::scheduler::Runtime>, options: &Vars) -> Result<Option<Vars>> {
        let mid = options
            .get::<String>(consts::MODEL_ID)
            .ok_or(ActError::Runtime(format!(
                "cannot find '{}' in options",
                consts::MODEL_ID
            )))?;

        let model: ModelInfo = rt.cache().store().models().find(&mid)?.into();
        let workflow = model.workflow()?;

        let mut params = Vars::new();
        if let Some(ref v) = self.0 {
            params.insert(consts::ACT_PARAMS_KEY.to_string(), json!(v));
        }
        let ret = rt.start(&workflow, params)?;

        Ok(Some(Vars::new().with(consts::PROCESS_ID, ret.id())))
    }
}

impl<'de> serde::de::Deserialize<'de> for ManualEventPackage {
    fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
    where
        D: serde::Deserializer<'de>,
    {
        let value = Option::<String>::deserialize(deserializer)?;
        Ok(Self(value))
    }
}

inventory::submit!(ActPackageRegister::new::<ManualEventPackage>());

#[cfg(test)]
mod tests {
    use crate::ActPackage;

    #[test]
    fn pack_event_manual_parse() {
        let params = r#"hello world"#;

        let value = serde_yaml::from_str::<serde_json::Value>(params).unwrap();
        let meta = super::ManualEventPackage::meta();
        serde_json::from_value::<super::ManualEventPackage>(value.clone()).unwrap();
        jsonschema::validate(&meta.in_schema, &value).unwrap()
    }
}