Files
catalyst/app/reaction/schedule/schedule.go
2025-09-02 21:58:08 +02:00

114 lines
2.9 KiB
Go

package schedule
import (
"context"
"encoding/json"
"errors"
"fmt"
"log/slog"
"github.com/go-co-op/gocron/v2"
"github.com/SecurityBrewery/catalyst/app/database"
"github.com/SecurityBrewery/catalyst/app/database/sqlc"
"github.com/SecurityBrewery/catalyst/app/reaction/action"
"github.com/SecurityBrewery/catalyst/app/settings"
)
type Scheduler struct {
scheduler gocron.Scheduler
queries *sqlc.Queries
}
type Schedule struct {
Expression string `json:"expression"`
}
func New(ctx context.Context, queries *sqlc.Queries) (*Scheduler, error) {
innerScheduler, err := gocron.NewScheduler()
if err != nil {
return nil, fmt.Errorf("failed to create scheduler: %w", err)
}
scheduler := &Scheduler{
scheduler: innerScheduler,
queries: queries,
}
if err := scheduler.loadJobs(ctx); err != nil {
return nil, fmt.Errorf("failed to load jobs: %w", err)
}
innerScheduler.Start()
return scheduler, nil
}
func (s *Scheduler) AddReaction(reaction *sqlc.Reaction) error {
var schedule Schedule
if err := json.Unmarshal(reaction.Triggerdata, &schedule); err != nil {
return fmt.Errorf("failed to unmarshal schedule data: %w", err)
}
_, err := s.scheduler.NewJob(
gocron.CronJob(schedule.Expression, false),
gocron.NewTask(
func(ctx context.Context) {
settings, err := settings.Load(ctx, s.queries)
if err != nil {
slog.ErrorContext(ctx, "Failed to load settings", "error", err)
return
}
_, err = action.Run(ctx, settings.Meta.AppURL, s.queries, reaction.Action, reaction.Actiondata, json.RawMessage("{}"))
if err != nil {
slog.ErrorContext(ctx, "Failed to run schedule reaction", "error", err, "reaction_id", reaction.ID)
}
},
),
gocron.WithTags(reaction.ID),
)
if err != nil {
return fmt.Errorf("failed to create new job for reaction %s: %w", reaction.ID, err)
}
return nil
}
func (s *Scheduler) RemoveReaction(id string) {
s.scheduler.RemoveByTags(id)
}
func (s *Scheduler) loadJobs(ctx context.Context) error {
reactions, err := database.PaginateItems(ctx, func(ctx context.Context, offset, limit int64) ([]sqlc.ListReactionsByTriggerRow, error) {
return s.queries.ListReactionsByTrigger(ctx, sqlc.ListReactionsByTriggerParams{Trigger: "schedule", Limit: limit, Offset: offset})
})
if err != nil {
return fmt.Errorf("failed to find schedule reaction: %w", err)
}
if len(reactions) == 0 {
return nil
}
var errs []error
for _, reaction := range reactions {
if err := s.AddReaction(&sqlc.Reaction{
Action: reaction.Action,
Actiondata: reaction.Actiondata,
Created: reaction.Created,
ID: reaction.ID,
Name: reaction.Name,
Trigger: reaction.Trigger,
Triggerdata: reaction.Triggerdata,
Updated: reaction.Updated,
}); err != nil {
errs = append(errs, fmt.Errorf("failed to add reaction %s: %w", reaction.ID, err))
}
}
return errors.Join(errs...)
}