acts 0.17.2

a fast, lightweight, extensiable workflow engine
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123

mod action;
mod emitter;
mod extra;
mod message;

#[cfg(test)]
mod tests;

use crate::{ActError, Result, scheduler::Runtime};
pub use action::Action;
pub use emitter::Emitter;
pub use extra::TaskExtra;
pub use message::{Message, MessageState, Model};

use serde::{Deserialize, Serialize};
use std::str::FromStr;
use std::sync::Arc;

#[derive(Clone)]
pub struct Event<T, E = ()> {
    inner: T,
    extra: E,
    #[cfg(test)]
    pub(crate) runtime: Option<Arc<Runtime>>,
}

#[derive(
    Serialize, Deserialize, Debug, Clone, Default, PartialEq, strum::AsRefStr, strum::EnumString,
)]
#[serde(rename_all = "snake_case")]
#[strum(serialize_all = "snake_case")]
pub enum EventAction {
    #[default]
    Next,
    Submit,
    Back,
    Cancel,
    Abort,
    Skip,
    Error,
    Push,
    Remove,
    SetProcessVars,
}

impl EventAction {
    pub fn parse(v: &str) -> Result<Self> {
        Self::from_str(v)
            .map_err(|_| ActError::Action(format!("cannot find the action define '{v}'")))
    }
}

impl<T, E> std::ops::Deref for Event<T, E>
where
    T: std::fmt::Debug + Clone,
    E: std::fmt::Debug + Clone + Default,
{
    type Target = T;
    fn deref(&self) -> &Self::Target {
        &self.inner
    }
}

impl<T, E> Event<T, E>
where
    T: std::fmt::Debug + Clone,
    E: std::fmt::Debug + Clone + Default,
{
    pub fn inner(&self) -> &T {
        &self.inner
    }
    pub fn new(_s: &Option<Arc<Runtime>>, inner: &T) -> Self {
        Self {
            #[cfg(test)]
            runtime: _s.clone(),
            extra: E::default(),
            inner: inner.clone(),
        }
    }

    pub fn new_with_extra(_rt: &Option<Arc<Runtime>>, inner: &T, extra: &E) -> Self {
        Self {
            #[cfg(test)]
            runtime: _rt.clone(),
            extra: extra.clone(),
            inner: inner.clone(),
        }
    }

    pub fn extra(&self) -> &E {
        &self.extra
    }

    #[cfg(test)]
    pub fn do_action(
        &self,
        pid: &str,
        tid: &str,
        action: EventAction,
        options: &crate::Vars,
    ) -> Result<()> {
        if let Some(scher) = &self.runtime {
            return scher.do_action(&Action::new(pid, tid, action, options));
        }
        Err(ActError::Action("scher is not define in Event".to_string()))
    }
}

impl<T, E> std::fmt::Debug for Event<T, E>
where
    T: std::fmt::Debug + Clone,
    E: std::fmt::Debug + Clone + Default,
{
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        f.write_fmt(format_args!("{:?}", self.inner))
    }
}

impl std::fmt::Display for EventAction {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        f.write_str(self.as_ref())
    }
}