linstrom/storage-new/migrations.go
mstar 8d4ba2ecae
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More work on defining the new data structure
2025-03-26 17:14:42 +01:00

127 lines
3.1 KiB
Go

package storage
import (
"fmt"
"strings"
"git.mstar.dev/mstar/goutils/other"
"git.mstar.dev/mstar/goutils/sliceutils"
"gorm.io/gorm"
"git.mstar.dev/mstar/linstrom/storage-new/models"
)
func Migrate(db *gorm.DB) error {
if err := createAccountAuthMethodType(db); err != nil {
return other.Error("storage", "Failed to create Auth Method type", err)
}
if err := createBeingType(db); err != nil {
return other.Error("storage", "Failed to create Being type", err)
}
if err := createAccountRelationType(db); err != nil {
return other.Error("storage", "Failed to create Account Relation type", err)
}
if err := createRemoteServerSoftwareType(db); err != nil {
return other.Error("storage", "Failed to create Server Software type", err)
}
if err := migrateTypes(db); err != nil {
return other.Error("storage", "Failed to automigrate data structs", err)
}
return nil
}
// Returns the raw error created by gorm, with no wrapping
func migrateTypes(db *gorm.DB) error {
if err := db.AutoMigrate(
&models.Emote{},
&models.MediaMetadata{},
&models.Note{},
&models.NoteToAttachment{},
&models.NoteToEmote{},
&models.NoteToPing{},
&models.NoteTag{},
&models.Reaction{},
&models.RemoteServer{},
&models.Role{},
&models.User{},
&models.UserAuthMethod{},
&models.UserBeings{},
&models.UserInfoField{},
&models.UserRelation{},
&models.UserRemoteLinks{},
&models.UserRole{},
&models.UserTag{},
); err != nil {
return err
}
return nil
}
// Ensure the being enum exists for the user
func createBeingType(db *gorm.DB) error {
return migrateEnum(
db,
"being_type",
sliceutils.Map(models.AllBeings, func(t models.BeingType) string { return string(t) }),
)
}
func createAccountRelationType(db *gorm.DB) error {
return migrateEnum(
db,
"relation_type",
sliceutils.Map(
models.AllRelations,
func(t models.RelationType) string { return string(t) },
),
)
}
func createAccountAuthMethodType(db *gorm.DB) error {
return migrateEnum(
db,
"auth_method_type",
sliceutils.Map(
models.AllAuthMethods,
func(t models.AuthenticationMethodType) string { return string(t) },
),
)
}
func createRemoteServerSoftwareType(db *gorm.DB) error {
return migrateEnum(
db,
"server_software_type",
sliceutils.Map(
models.AllServerSoftwareTypes,
func(t models.ServerSoftwareType) string { return string(t) },
),
)
}
// Helper function for ensuring the existence of an enum with the given values
func migrateEnum(db *gorm.DB, name string, values []string) error {
if err := db.Exec("DROP TYPE IF EXISTS " + name).Error; err != nil {
return other.Error(
"storage",
fmt.Sprintf("Failed to remove old type %s (if it exists)", name),
err,
)
}
queryBuilder := strings.Builder{}
queryBuilder.WriteString("CREATE TYPE")
queryBuilder.WriteString(name)
queryBuilder.WriteString("AS ENUM (")
blen := len(values)
for i, btype := range values {
queryBuilder.WriteString("'" + string(btype) + "'")
// Append comma everywhere except last entry
if i+1 < blen {
queryBuilder.WriteString(",")
}
}
if err := db.Exec(queryBuilder.String()).Error; err != nil {
return err
}
return nil
}