// Reset runs the down and up migration function
func Reset(pipe chan interface{}, url, migrationsPath string) {
pipe1 := pipep.New()
go Down(pipe1, url, migrationsPath)
if ok := pipep.WaitAndRedirect(pipe1, pipe, handleInterrupts()); !ok {
go pipep.Close(pipe, nil)
return
} else {
go Up(pipe, url, migrationsPath)
}
}
// Up applies all available migrations
func Up(pipe chan interface{}, url, migrationsPath string) {
d, files, migratedVersions, err := initDriverAndReadMigrationFilesAndGetMigratedVersions(url, migrationsPath)
if err != nil {
go pipep.Close(pipe, err)
return
}
applyMigrationFiles, err := files.GetUnmigrated(migratedVersions)
if err != nil {
if err2 := d.Close(); err2 != nil {
pipe <- err2
}
go pipep.Close(pipe, err)
return
}
if len(applyMigrationFiles) > 0 {
for _, f := range applyMigrationFiles {
pipe1 := pipep.New()
go d.Migrate(f, pipe1)
if ok := pipep.WaitAndRedirect(pipe1, pipe, handleInterrupts()); !ok {
break
}
}
if err := d.Close(); err != nil {
pipe <- err
}
go pipep.Close(pipe, nil)
return
} else {
if err := d.Close(); err != nil {
pipe <- err
}
go pipep.Close(pipe, nil)
return
}
}
// Migrate applies relative +n/-n migrations
func Migrate(pipe chan interface{}, url, migrationsPath string, relativeN int) {
d, files, version, err := initDriverAndReadMigrationFilesAndGetVersion(url, migrationsPath)
if err != nil {
go pipep.Close(pipe, err)
return
}
applyMigrationFiles, err := files.From(version, relativeN)
if err != nil {
if err2 := d.Close(); err2 != nil {
pipe <- err2
}
go pipep.Close(pipe, err)
return
}
if len(applyMigrationFiles) > 0 && relativeN != 0 {
for _, f := range applyMigrationFiles {
pipe1 := pipep.New()
go d.Migrate(f, pipe1)
if ok := pipep.WaitAndRedirect(pipe1, pipe, handleInterrupts()); !ok {
break
}
}
if err2 := d.Close(); err2 != nil {
pipe <- err2
}
go pipep.Close(pipe, nil)
return
}
if err2 := d.Close(); err2 != nil {
pipe <- err2
}
go pipep.Close(pipe, nil)
return
}