46 lines
1.1 KiB
Go
46 lines
1.1 KiB
Go
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package storage
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import (
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"context"
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"relynolli-server/internal"
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"relynolli-server/models/news"
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)
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type StorageNews interface {
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GetNews (ctx context.Context, limit, offset int64) (int, *[]news.DBNews, error)
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RetrieveNews(ctx context.Context, code string) (*news.DBNews, error)
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}
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func NewStorageNews() StorageNews {
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if instance == nil {
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instance = &storage{
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db: internal.InitDatabase().GetInstance(),
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rdb: internal.InitRedis(),
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}
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}
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return instance
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}
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func (s *storage) GetNews (ctx context.Context, limit, offset int64) (int, *[]news.DBNews, error) {
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model := new([]news.DBNews)
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stmt := s.db.NewSelect().Model(model).Where("is_active = 1").OrderExpr("sort ASC, date DESC").Limit(int(limit)).Offset(int(offset))
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count, err := stmt.ScanAndCount(ctx)
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if err != nil {
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return 0, nil, err
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}
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return count, model, nil
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}
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func (s *storage) RetrieveNews(ctx context.Context, code string) (*news.DBNews, error) {
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model := new(news.DBNews)
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stmt := s.db.NewSelect().Model(model).Where("code = ?", code).Where("is_active = 1")
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err := stmt.Scan(ctx)
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if err != nil {
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return nil, err
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}
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return model, nil
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}
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