status-go/protocol/sqlite/migrations.go

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package sqlite
import (
"strings"
"github.com/pkg/errors"
encryptmigrations "github.com/status-im/status-go/protocol/encryption/migrations"
appmigrations "github.com/status-im/status-go/protocol/migrations"
2020-07-22 07:41:40 +00:00
push_notification_client_migrations "github.com/status-im/status-go/protocol/pushnotificationclient/migrations"
push_notification_server_migrations "github.com/status-im/status-go/protocol/pushnotificationserver/migrations"
wakumigrations "github.com/status-im/status-go/protocol/transport/waku/migrations"
whispermigrations "github.com/status-im/status-go/protocol/transport/whisper/migrations"
)
type getter func(string) ([]byte, error)
type migrationsWithGetter struct {
Names []string
Getter getter
}
var defaultMigrations = []migrationsWithGetter{
{
Names: whispermigrations.AssetNames(),
Getter: whispermigrations.Asset,
},
{
Names: wakumigrations.AssetNames(),
Getter: wakumigrations.Asset,
},
{
Names: encryptmigrations.AssetNames(),
Getter: encryptmigrations.Asset,
},
{
Names: appmigrations.AssetNames(),
Getter: appmigrations.Asset,
},
{
Names: push_notification_server_migrations.AssetNames(),
Getter: push_notification_server_migrations.Asset,
},
{
Names: push_notification_client_migrations.AssetNames(),
Getter: push_notification_client_migrations.Asset,
},
}
func prepareMigrations(migrations []migrationsWithGetter) ([]string, getter, error) {
var allNames []string
nameToGetter := make(map[string]getter)
for _, m := range migrations {
for _, name := range m.Names {
if !validateName(name) {
continue
}
if _, ok := nameToGetter[name]; ok {
return nil, nil, errors.Errorf("migration with name %s already exists", name)
}
allNames = append(allNames, name)
nameToGetter[name] = m.Getter
}
}
return allNames, func(name string) ([]byte, error) {
getter, ok := nameToGetter[name]
if !ok {
return nil, errors.Errorf("no migration for name %s", name)
}
return getter(name)
}, nil
}
// validateName verifies that only *.sql files are taken into consideration.
func validateName(name string) bool {
return strings.HasSuffix(name, ".sql")
}