mirror of
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128 lines
2.7 KiB
Go
128 lines
2.7 KiB
Go
package storm
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import (
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"reflect"
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"github.com/asdine/storm"
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"github.com/asdine/storm/index"
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"github.com/asdine/storm/q"
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"github.com/cloudsonic/sonic-server/domain"
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)
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type stormRepository struct {
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bucket interface{}
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}
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func (r *stormRepository) init(entity interface{}) {
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r.bucket = entity
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if err := Db().Init(r.bucket); err != nil {
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panic(err)
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}
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if err := Db().ReIndex(r.bucket); err != nil {
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panic(err)
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}
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}
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func (r *stormRepository) CountAll() (int64, error) {
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c, err := Db().Count(r.bucket)
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return int64(c), err
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}
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func (r *stormRepository) Exists(id string) (bool, error) {
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err := Db().One("ID", id, r.bucket)
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if err != nil {
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return false, err
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}
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return err != storm.ErrNotFound, nil
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}
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func (r *stormRepository) extractID(record interface{}) string {
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v := reflect.ValueOf(record).Elem()
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id := v.FieldByName("ID").String()
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return id
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}
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func (r *stormRepository) getByID(id string, ta interface{}) error {
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err := Db().One("ID", id, ta)
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if err == storm.ErrNotFound {
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return domain.ErrNotFound
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}
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return nil
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}
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func (r *stormRepository) purgeInactive(activeList interface{}) (deleted []string, err error) {
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reflected := reflect.ValueOf(activeList)
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totalActive := reflected.Len()
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activeIDs := make([]string, totalActive)
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for i := 0; i < totalActive; i++ {
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item := reflected.Index(i)
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activeIDs[i] = item.FieldByName("ID").String()
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}
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query := Db().Select(q.Not(q.In("ID", activeIDs)))
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// Collect IDs that will be deleted
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err = query.Each(r.bucket, func(record interface{}) error {
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id := r.extractID(record)
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deleted = append(deleted, id)
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return nil
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})
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if err != nil {
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return nil, err
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}
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if len(deleted) == 0 {
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return
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}
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err = query.Delete(r.bucket)
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if err != nil {
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return nil, err
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}
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return deleted, nil
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}
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func (r *stormRepository) execute(matcher q.Matcher, result interface{}, options ...*domain.QueryOptions) error {
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query := Db().Select(matcher)
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if len(options) > 0 {
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query = addQueryOptions(query, options[0])
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}
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err := query.Find(result)
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if err == storm.ErrNotFound {
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return nil
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}
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return err
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}
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func (r *stormRepository) getAll(all interface{}, options *domain.QueryOptions) (err error) {
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if options.SortBy != "" {
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err = Db().AllByIndex(options.SortBy, all, stormOptions(options))
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} else {
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err = Db().All(all, stormOptions(options))
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}
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return
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}
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func stormOptions(options *domain.QueryOptions) func(*index.Options) {
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return func(opts *index.Options) {
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opts.Reverse = options.Desc
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opts.Skip = options.Offset
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if options.Size > 0 {
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opts.Limit = options.Size
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}
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}
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}
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func addQueryOptions(q storm.Query, o *domain.QueryOptions) storm.Query {
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if o.SortBy != "" {
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q = q.OrderBy(o.SortBy)
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}
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if o.Desc {
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q = q.Reverse()
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}
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if o.Size > 0 {
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q = q.Limit(o.Size)
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}
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return q.Skip(o.Offset)
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}
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