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db.go
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db.go
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package bertymessenger
import (
"errors"
"time"
"gorm.io/gorm"
"gorm.io/gorm/clause"
"berty.tech/berty/v2/go/pkg/bertytypes"
"berty.tech/berty/v2/go/pkg/errcode"
)
func initDB(db *gorm.DB) error {
models := []interface{}{
&Conversation{},
&Account{},
&ServiceToken{},
&Contact{},
&Interaction{},
&Member{},
&Device{},
}
if err := db.AutoMigrate(models...); err != nil {
return err
}
return nil
}
func dbModelRowsCount(db *gorm.DB, model interface{}) (int64, error) {
var count int64
err := db.Model(model).Count(&count).Error
return count, err
}
func dropAllTables(db *gorm.DB) error {
tables := []string{}
if err := db.Raw("SELECT name FROM sqlite_master WHERE type='table' AND name NOT LIKE 'sqlite_%'").Scan(&tables).Error; err != nil {
return errcode.ErrDBRead.Wrap(err)
}
for _, table := range tables {
if err := db.Migrator().DropTable(table); err != nil {
return errcode.ErrDBWrite.Wrap(err)
}
}
return nil
}
func addConversation(db *gorm.DB, groupPK string) (*Conversation, error) {
conversation, err := getConversationByPK(db, groupPK)
switch err {
case gorm.ErrRecordNotFound: // not found, create a new one
conversation.PublicKey = groupPK
conversation.Type = Conversation_MultiMemberType
conversation.CreatedDate = timestampMs(time.Now())
err := db.
Clauses(clause.OnConflict{DoNothing: true}).
Create(&conversation).
Error
if err != nil {
return nil, errcode.ErrDBWrite.Wrap(err)
}
return &conversation, nil
case nil: // contact already exists
return nil, errcode.ErrDBEntryAlreadyExists
default: // other error
return nil, errcode.ErrDBRead.Wrap(err)
}
}
func getAccount(db *gorm.DB) (Account, error) {
var accounts []Account
err := db.Model(&accounts).Preload("ServiceTokens").Find(&accounts).Error
if err != nil {
return Account{}, err
}
if len(accounts) == 0 {
return Account{}, gorm.ErrRecordNotFound
} else if len(accounts) > 1 {
return Account{}, errcode.ErrDBMultipleRecords
}
return accounts[0], nil
}
func getDeviceByPK(db *gorm.DB, publicKey string) (Device, error) {
var devices []Device
err := db.Where(&Device{PublicKey: publicKey}).Find(&devices).Error
if err != nil {
return Device{}, err
}
if len(devices) == 0 {
return Device{}, gorm.ErrRecordNotFound
} else if len(devices) > 1 {
return Device{}, errcode.ErrDBMultipleRecords
}
return devices[0], nil
}
func getContactByPK(db *gorm.DB, publicKey string) (Contact, error) {
var contacts []Contact
err := db.Where(&Contact{PublicKey: publicKey}).Find(&contacts).Error
if err != nil {
return Contact{}, err
}
if len(contacts) == 0 {
return Contact{}, gorm.ErrRecordNotFound
} else if len(contacts) > 1 {
return Contact{}, errcode.ErrDBMultipleRecords
}
return contacts[0], nil
}
func getConversationByPK(db *gorm.DB, publicKey string) (Conversation, error) {
var conversations []Conversation
err := db.Where(&Conversation{PublicKey: publicKey}).Find(&conversations).Error
if err != nil {
return Conversation{}, err
}
if len(conversations) == 0 {
return Conversation{}, gorm.ErrRecordNotFound
} else if len(conversations) > 1 {
return Conversation{}, errcode.ErrDBMultipleRecords
}
return conversations[0], nil
}
func getInteractionByCID(db *gorm.DB, cid string) (Interaction, error) {
var interactions []Interaction
err := db.Where(map[string]interface{}{"c_id": cid}).Find(&interactions).Error
if err != nil {
return Interaction{}, err
}
if len(interactions) == 0 {
return Interaction{}, gorm.ErrRecordNotFound
} else if len(interactions) > 1 {
return Interaction{}, errcode.ErrDBMultipleRecords
}
return interactions[0], nil
}
func getMemberByPK(db *gorm.DB, publicKey string) (Member, error) {
var members []Member
err := db.Where(&Member{PublicKey: publicKey}).Find(&members).Error
if err != nil {
return Member{}, err
}
if len(members) == 0 {
return Member{}, gorm.ErrRecordNotFound
} else if len(members) > 1 {
return Member{}, errcode.ErrDBMultipleRecords
}
return members[0], nil
}
func addContactRequestOutgoingEnqueued(db *gorm.DB, contactPK, displayName, convPK string) (*Contact, error) {
contact, err := getContactByPK(db, contactPK)
switch err {
case gorm.ErrRecordNotFound:
contact = Contact{
DisplayName: displayName,
PublicKey: contactPK,
State: Contact_OutgoingRequestEnqueued,
CreatedDate: timestampMs(time.Now()),
ConversationPublicKey: convPK,
}
err = db.
Clauses(clause.OnConflict{DoNothing: true}).
Create(&contact).
Error
if err != nil {
return nil, errcode.ErrDBRead.Wrap(err)
}
return &contact, nil
case nil: // contact already exists
// Maybe update DisplayName in some cases?
// TODO: better handle case where the state is "IncomingRequest", should end up as in "Established" state in this case IMO
return nil, errcode.ErrDBEntryAlreadyExists
default: // any other error
return nil, errcode.ErrDBRead.Wrap(err)
}
}
func addContactRequestOutgoingSent(db *gorm.DB, contactPK string) (*Contact, error) {
contact, err := getContactByPK(db, contactPK)
if err != nil {
return nil, errcode.ErrDBRead.Wrap(err)
}
switch contact.State {
case Contact_OutgoingRequestEnqueued:
contact.State = Contact_OutgoingRequestSent
contact.SentDate = timestampMs(time.Now())
if err := db.Save(&contact).Error; err != nil {
return nil, errcode.ErrDBWrite.Wrap(err)
}
return &contact, nil
default:
return nil, errcode.ErrInvalidInput.Wrap(errors.New("request not enqueud"))
}
}
func addContactRequestIncomingReceived(db *gorm.DB, contactPK, displayName string) (*Contact, error) {
contact := Contact{
DisplayName: displayName,
PublicKey: contactPK,
State: Contact_IncomingRequest,
CreatedDate: timestampMs(time.Now()),
}
err := db.
Clauses(clause.OnConflict{DoNothing: true}).
Create(&contact).
Error
if err != nil {
return nil, errcode.ErrDBWrite.Wrap(err)
}
return &contact, nil
}
func addContactRequestIncomingAccepted(db *gorm.DB, contactPK, groupPK string) (*Contact, *Conversation, error) {
contact, err := getContactByPK(db, contactPK)
if err != nil {
return nil, nil, errcode.ErrDBRead.Wrap(err)
}
if contact.State != Contact_IncomingRequest {
return nil, nil, errcode.ErrInvalidInput.Wrap(errors.New("no incoming request"))
}
contact.State = Contact_Established
contact.ConversationPublicKey = groupPK
// create new contact conversation
var conversation Conversation
{
conversation = Conversation{
PublicKey: contact.ConversationPublicKey,
Type: Conversation_ContactType,
ContactPublicKey: contactPK,
DisplayName: "", // empty on account conversations
Link: "", // empty on account conversations
CreatedDate: timestampMs(time.Now()),
}
}
err = db.Transaction(func(tx *gorm.DB) error {
// update existing contact
if err := tx.Save(&contact).Error; err != nil {
return err
}
// create new conversation
err := tx.
Clauses(clause.OnConflict{
Columns: []clause.Column{{Name: "public_key"}},
DoUpdates: clause.AssignmentColumns([]string{"display_name", "link"}),
}).
Create(&conversation).
Error
return err
})
if err != nil {
return nil, nil, errcode.ErrDBWrite.Wrap(err)
}
return &contact, &conversation, nil
}
func addServiceToken(db *gorm.DB, accountPK string, serviceToken *bertytypes.ServiceToken) error {
if err := db.Transaction(func(db *gorm.DB) error {
for _, s := range serviceToken.SupportedServices {
token := &ServiceToken{}
if err := db.First(token, &ServiceToken{
AccountPK: accountPK,
TokenID: serviceToken.TokenID(),
ServiceType: s.ServiceType,
}).Error; errors.Is(err, gorm.ErrRecordNotFound) {
if err := db.Create(&ServiceToken{
AccountPK: accountPK,
TokenID: serviceToken.TokenID(),
ServiceType: s.ServiceType,
AuthenticationURL: serviceToken.AuthenticationURL,
Expiration: serviceToken.Expiration,
}).Error; err != nil {
return errcode.ErrDBWrite.Wrap(err)
}
} else if err != nil {
return errcode.ErrDBRead.Wrap(err)
}
}
return nil
}); err != nil {
return err
}
return nil
}