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module_service.go
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module_service.go
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package sm
import (
"crypto/sha256"
"encoding/hex"
log "github.com/sirupsen/logrus"
)
type mservice struct {
repository ModuleRepository
}
func NewModuleService(repo ModuleRepository) ModuleService {
return &mservice{
repository: repo,
}
}
func (this *mservice) CreateService(name, description string) (*Module, error) {
log.Infof("create service=%v", name)
if len(name) <= 1 {
return nil, ErrServiceNameTooShort
} else if len(description) <= 1 {
return nil, ErrServiceDescTooShort
}
exists, err := this.repository.IsNameInUse(name)
if err != nil {
return nil, err
} else if exists {
return nil, ErrServiceNameInUse
}
api_key := this.repository.GenerateApiKey(name)
hashed_api_key := sha256.Sum256([]byte(api_key))
module := Module{
Name: name,
Description: description,
Enabled: false,
ApiKey: hex.EncodeToString(hashed_api_key[:]),
}
err = this.repository.CreateModule(&module)
if err != nil {
return nil, err
}
// Return the key in plain text, after this it is lost.
module.ApiKey = api_key
log.Printf("created service name=%v id=%v", name, module.ID)
return &module, nil
}
func (this *mservice) SetAvailability(id int64, enable bool) error {
service, err := this.repository.GetModuleByID(id)
if err != nil {
return err
} else if service == nil {
return ErrNotFound
}
log.Printf("service=%v,'%v' set availability to %v",
service.ID,
service.Name,
enable)
return this.repository.SetAvailability(id, enable)
}
func (this *mservice) UpdateName(id int64, name string) error {
service, err := this.repository.GetModuleByID(id)
if err != nil {
return err
} else if service == nil {
return ErrNotFound
}
log.Printf("service=%v,'%v' update name to '%v'",
service.ID, service.Name, name)
service.Name = name
return this.repository.Save(service)
}
func (this *mservice) UpdateDescription(id int64, description string) error {
service, err := this.repository.GetModuleByID(id)
if err != nil {
return err
} else if service == nil {
return ErrNotFound
}
log.Printf("service=%v,'%v' update description to '%v'",
service.ID, service.Name, description)
service.Description = description
return this.repository.Save(service)
}
func (this *mservice) Update(id int64, name string, description string) error {
service, err := this.repository.GetModuleByID(id)
if err != nil {
return err
} else if service == nil {
return ErrNotFound
}
log.Printf("service=%v,'%v' update name='%v' description='%v'",
service.ID, service.Name, name, description)
service.Description = description
service.Name = name
return this.repository.Save(service)
}
func (this *mservice) RenewApiKey(id int64) (*Module, error) {
service, err := this.repository.GetModuleByID(id)
if err != nil {
return nil, err
} else if service == nil {
return nil, ErrNotFound
}
api_key := this.repository.GenerateApiKey(service.Name)
hashed_key := sha256.Sum256([]byte(api_key))
service.ApiKey = hex.EncodeToString(hashed_key[:])
err = this.repository.Save(service)
if err != nil {
return nil, err
}
// return in plain text in order to notify the user of the new key
// after that its lost
service.ApiKey = api_key
return service, nil
}