acts 0.19.0

a fast, lightweight, extensiable workflow engine
Documentation 
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use core::fmt;
use serde::{Deserialize, Serialize};
use serde_json::Value as JsonValue;
use serde_repr::{Deserialize_repr, Serialize_repr};

use crate::{
    MessageState, Result,
    store::{DbCollectionIden, StoreIden},
};

#[derive(Default, Debug, Copy, PartialEq, Clone, Serialize_repr, Deserialize_repr)]
#[repr(i8)]
pub enum MessageStatus {
    #[default]
    Created = 0,
    Acked = 1,
    Completed = 2,
    Error = 3,
}

#[derive(Default, Deserialize, Serialize, Debug, Clone)]
pub struct Message {
    pub id: String,
    pub tid: String,
    pub name: String,
    pub state: MessageState,
    pub r#type: String,
    pub pid: String,
    pub nid: String,
    pub mid: String,
    pub uses: String,
    pub inputs: String,
    pub outputs: String,
    pub tag: String,
    pub start_time: i64,
    pub end_time: i64,
    pub chan_id: String,
    pub chan_pattern: String,

    pub create_time: i64,
    pub update_time: i64,
    pub retry_times: i32,
    pub status: MessageStatus,
    pub timestamp: i64,
    pub v: i32,
}

impl DbCollectionIden for Message {
    fn iden() -> StoreIden {
        StoreIden::Messages
    }
    fn indexed_fields() -> &'static [&'static str] {
        &["pid", "status", "tid", "nid", "timestamp"]
    }
    fn version() -> i32 {
        0
    }

    fn upcast(value: JsonValue) -> Result<Self> {
        let v = value.get("v").and_then(|v| v.as_i64()).unwrap_or(0) as i32;
        if v == Self::version() {
            return Self::upcast_current(value);
        }
        Err(crate::ActError::Store(format!(
            "unsupported message version: {}",
            v
        )))
    }
}

impl fmt::Display for MessageStatus {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        f.write_str(match self {
            MessageStatus::Created => "created",
            MessageStatus::Acked => "acked",
            MessageStatus::Completed => "completed",
            MessageStatus::Error => "error",
        })
    }
}

impl From<i8> for MessageStatus {
    fn from(value: i8) -> Self {
        match value {
            1 => MessageStatus::Acked,
            2 => MessageStatus::Completed,
            3 => MessageStatus::Error,
            _ => MessageStatus::Created,
        }
    }
}

impl From<MessageStatus> for i8 {
    fn from(val: MessageStatus) -> i8 {
        match val {
            MessageStatus::Created => 0,
            MessageStatus::Acked => 1,
            MessageStatus::Completed => 2,
            MessageStatus::Error => 3,
        }
    }
}

impl From<MessageStatus> for i64 {
    fn from(val: MessageStatus) -> Self {
        match val {
            MessageStatus::Created => 0,
            MessageStatus::Acked => 1,
            MessageStatus::Completed => 2,
            MessageStatus::Error => 3,
        }
    }
}

#[cfg(test)]
mod tests {
    use super::MessageStatus;

    #[test]
    fn store_data_message_status_to_i8() {
        let created: i8 = MessageStatus::Created.into();
        assert_eq!(created, 0);

        let created: i8 = MessageStatus::Acked.into();
        assert_eq!(created, 1);

        let created: i8 = MessageStatus::Completed.into();
        assert_eq!(created, 2);

        let created: i8 = MessageStatus::Error.into();
        assert_eq!(created, 3);
    }

    #[test]
    fn store_data_i8_to_message_status() {
        let created: MessageStatus = 0.into();
        assert_eq!(created, MessageStatus::Created);

        let created: MessageStatus = 1.into();
        assert_eq!(created, MessageStatus::Acked);

        let created: MessageStatus = 2.into();
        assert_eq!(created, MessageStatus::Completed);

        let created: MessageStatus = 3.into();
        assert_eq!(created, MessageStatus::Error);

        let created: MessageStatus = 100.into();
        assert_eq!(created, MessageStatus::Created);
    }

    #[test]
    fn store_data_message_status_to_string() {
        assert_eq!(MessageStatus::Created.to_string(), "created");
        assert_eq!(MessageStatus::Acked.to_string(), "acked");
        assert_eq!(MessageStatus::Completed.to_string(), "completed");
        assert_eq!(MessageStatus::Error.to_string(), "error");
    }
}