stillbox/pkg/talkgroups/alertconfig.go
2024-11-03 19:11:45 -05:00

86 lines
1.4 KiB
Go

package talkgroups
import (
"encoding/json"
"sync"
"time"
"dynatron.me/x/stillbox/internal/ruletime"
)
type AlertConfig struct {
sync.RWMutex
m map[ID][]AlertRule
}
type AlertRule struct {
Times []ruletime.RuleTime `json:"times"`
ScoreMultiplier float32 `json:"mult"`
}
func NewAlertConfig() AlertConfig {
return AlertConfig{
m: make(map[ID][]AlertRule),
}
}
func (ac *AlertConfig) GetRules(tg ID) []AlertRule {
ac.RLock()
defer ac.RUnlock()
return ac.m[tg]
}
func (ac *AlertConfig) UnmarshalTGRules(tg ID, confBytes []byte) error {
ac.Lock()
defer ac.Unlock()
if len(confBytes) == 0 {
return nil
}
var rules []AlertRule
err := json.Unmarshal(confBytes, &rules)
if err != nil {
return err
}
ac.m[tg] = rules
return nil
}
func (ac *AlertConfig) ApplyAlertRules(id ID, t time.Time, coversOpts ...ruletime.CoversOption) float64 {
ac.RLock()
s, has := ac.m[id]
ac.RUnlock()
if !has {
return 1.0
}
final := 1.0
for _, ar := range s {
if ar.MatchTime(t, coversOpts...) {
final *= float64(ar.ScoreMultiplier)
}
}
return final
}
func (ac *AlertConfig) Invalidate() {
ac.Lock()
defer ac.Unlock()
clear(ac.m)
}
func (ar *AlertRule) MatchTime(t time.Time, coversOpts ...ruletime.CoversOption) bool {
for _, at := range ar.Times {
if at.Covers(t, coversOpts...) {
return true
}
}
return false
}