cond_and.gno

 1package daocond
 2
 3import (
 4	"strings"
 5)
 6
 7type andCond struct {
 8	conditions []Condition
 9}
10
11func And(conditions ...Condition) Condition {
12	if len(conditions) < 2 {
13		panic("at least two conditions are required")
14	}
15	return &andCond{conditions: conditions}
16}
17
18// Eval implements Condition.
19func (c *andCond) Eval(ballot Ballot) bool {
20	for _, condition := range c.conditions {
21		if !condition.Eval(ballot) {
22			return false
23		}
24	}
25	return true
26}
27
28// Signal implements Condition.
29func (c *andCond) Signal(ballot Ballot) float64 {
30	totalSignal := 0.0
31	for _, condition := range c.conditions {
32		totalSignal += condition.Signal(ballot)
33	}
34	return totalSignal / float64(len(c.conditions))
35}
36
37// Render implements Condition.
38func (c *andCond) Render() string {
39	renders := []string{}
40	for _, condition := range c.conditions {
41		renders = append(renders, condition.Render())
42	}
43	return "[" + strings.Join(renders, " AND ") + "]"
44}
45
46// RenderWithVotes implements Condition.
47func (c *andCond) RenderWithVotes(ballot Ballot) string {
48	renders := []string{}
49	for _, condition := range c.conditions {
50		renders = append(renders, condition.RenderWithVotes(ballot))
51	}
52	return "[" + strings.Join(renders, " AND ") + "]"
53}
54
55var _ Condition = (*andCond)(nil)