/
task.go
175 lines (148 loc) · 4.39 KB
/
task.go
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package store
import (
"context"
"time"
"github.com/cuigh/auxo/data"
"github.com/cuigh/auxo/errors"
"go.mongodb.org/mongo-driver/bson"
"go.mongodb.org/mongo-driver/mongo"
"go.mongodb.org/mongo-driver/mongo/options"
)
type Task struct {
Name string `json:"name" bson:"_id" valid:"required"`
Runner string `json:"runner" bson:"runner" valid:"required"`
Handler string `json:"handler,omitempty" bson:"handler,omitempty"`
Args data.Options `json:"args" bson:"args"`
Triggers []string `json:"triggers" bson:"triggers"`
Description string `json:"desc,omitempty" bson:"desc,omitempty"`
Enabled bool `json:"enabled" bson:"enabled"`
Maintainers []string `json:"maintainers" bson:"maintainers"`
Alerts []string `json:"alerts" bson:"alerts"`
ModifyTime Time `json:"modify_time" bson:"modify_time"`
}
type TaskStore interface {
Find(name string) (*Task, error)
Delete(name string) error
Create(t *Task) error
Modify(t *Task) error
Search(name, runner string, pageIndex, pageSize int64) (tasks []*Task, total int64, err error)
GetState() (modify time.Time, count int64, err error)
FetchAll(enabled bool) ([]*Task, error)
Count(ctx context.Context) (int64, error)
}
type taskStore struct {
c *mongo.Collection
}
func NewTaskStore(db *mongo.Database) TaskStore {
return &taskStore{
c: db.Collection("task"),
}
}
func (s *taskStore) Find(name string) (*Task, error) {
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()
r := s.c.FindOne(ctx, bson.M{"_id": name})
t := &Task{}
if err := r.Decode(&t); err != nil {
return nil, err
}
return t, nil
}
func (s *taskStore) Delete(name string) error {
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()
r, err := s.c.DeleteOne(ctx, bson.M{"_id": name})
if err == nil && r.DeletedCount == 0 {
return errors.Format("can't find task '%s'", name)
}
return err
}
func (s *taskStore) Create(t *Task) error {
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()
t.ModifyTime = Time(time.Now())
_, err := s.c.InsertOne(ctx, t)
if mongo.IsDuplicateKeyError(err) {
return errors.Format("任务名 %s 已经存在", t.Name)
}
return err
}
func (s *taskStore) Modify(t *Task) error {
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()
t.ModifyTime = Time(time.Now())
r, err := s.c.UpdateByID(ctx, t.Name, bson.M{"$set": t})
if err != nil {
return err
} else if r.MatchedCount == 0 {
return errors.Format("can't find task '%s'", t.Name)
}
return nil
}
func (s *taskStore) Search(name, runner string, pageIndex, pageSize int64) (tasks []*Task, total int64, err error) {
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()
filter := bson.M{}
if name != "" {
filter["_id"] = name
}
if runner != "" {
filter["runner"] = runner
}
// fetch total count
total, err = s.c.CountDocuments(ctx, filter)
if err != nil {
return nil, 0, err
}
opts := options.Find().SetSkip(pageSize * (pageIndex - 1)).SetLimit(pageSize).SetSort(bson.M{"_id": 1})
cur, err := s.c.Find(ctx, filter, opts)
if err != nil {
return nil, 0, err
}
defer cur.Close(ctx)
err = cur.All(ctx, &tasks)
if err != nil {
return nil, 0, err
}
return tasks, total, nil
}
func (s *taskStore) GetState() (modify time.Time, count int64, err error) {
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()
filter := bson.M{"enabled": true}
// count
count, err = s.c.CountDocuments(ctx, filter)
if err != nil {
return
}
// modify time
r := s.c.FindOne(ctx, filter, options.FindOne().SetSort(bson.M{"modify_time": -1}))
t := struct {
ModifyTime time.Time `bson:"modify_time"`
}{}
if err = r.Decode(&t); err == mongo.ErrNoDocuments {
err = nil
}
modify = t.ModifyTime
return
}
func (s *taskStore) FetchAll(enabled bool) ([]*Task, error) {
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()
filter := bson.M{"enabled": enabled}
cur, err := s.c.Find(ctx, filter)
if err != nil {
return nil, err
}
defer cur.Close(ctx)
var tasks []*Task
err = cur.All(ctx, &tasks)
if err != nil {
return nil, err
}
return tasks, nil
}
func (s *taskStore) Count(ctx context.Context) (int64, error) {
filter := bson.M{}
return s.c.CountDocuments(ctx, filter)
}