/
trigger.go
117 lines (94 loc) · 2.25 KB
/
trigger.go
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package trigger
import (
"context"
"encoding/json"
"github.com/caesium-cloud/caesium/internal/models"
"github.com/caesium-cloud/caesium/pkg/db"
"github.com/google/uuid"
"gorm.io/gorm"
)
type Trigger interface {
WithDatabase(*gorm.DB) Trigger
List(*ListRequest) (models.Triggers, error)
Get(uuid.UUID) (*models.Trigger, error)
Create(*CreateRequest) (*models.Trigger, error)
Delete(uuid.UUID) error
}
type triggerService struct {
ctx context.Context
db *gorm.DB
}
func Service(ctx context.Context) Trigger {
return &triggerService{
ctx: ctx,
db: db.Connection(),
}
}
func (t *triggerService) WithDatabase(conn *gorm.DB) Trigger {
t.db = conn
return t
}
type ListRequest struct {
Limit uint64
Offset uint64
OrderBy []string
Type string
}
func (t *triggerService) List(req *ListRequest) (models.Triggers, error) {
var (
triggers = make(models.Triggers, 0)
q = t.db.WithContext(t.ctx)
)
if req.Type != "" {
q = q.Where("type = ?", req.Type)
}
for _, orderBy := range req.OrderBy {
q = q.Order(orderBy)
}
if req.Limit > 0 {
q = q.Limit(int(req.Limit))
}
if req.Offset > 0 {
q = q.Offset(int(req.Offset))
}
return triggers, q.Find(&triggers).Error
}
func (t *triggerService) Get(id uuid.UUID) (*models.Trigger, error) {
var (
trigger = &models.Trigger{ID: id}
q = t.db.WithContext(t.ctx)
)
return trigger, q.First(trigger).Error
}
type CreateRequest struct {
Alias string `json:"alias"`
Type string `json:"type"`
Configuration map[string]interface{} `json:"configuration"`
}
func (r *CreateRequest) ConfigurationString() (string, error) {
buf, err := json.Marshal(r.Configuration)
return string(buf), err
}
func (t *triggerService) Create(req *CreateRequest) (*models.Trigger, error) {
var (
id = uuid.New()
q = t.db.WithContext(t.ctx)
)
cfg, err := req.ConfigurationString()
if err != nil {
return nil, err
}
trigger := &models.Trigger{
ID: id,
Alias: req.Alias,
Type: models.TriggerType(req.Type),
Configuration: cfg,
}
return trigger, q.Create(trigger).Error
}
func (t *triggerService) Delete(id uuid.UUID) error {
var (
q = t.db.WithContext(t.ctx)
)
return q.Delete(&models.Trigger{}, id).Error
}