customer/internal/service/history/history.go
2023-06-22 09:36:43 +00:00

94 lines
2.4 KiB
Go

package history
import (
"context"
"fmt"
"log"
"math"
"go.uber.org/zap"
"penahub.gitlab.yandexcloud.net/pena-services/customer/internal/errors"
"penahub.gitlab.yandexcloud.net/pena-services/customer/internal/models"
)
type historyRepository interface {
CountAll(context.Context) (int64, errors.Error)
FindMany(ctx context.Context, page, limit int64) ([]models.History, errors.Error)
Insert(context.Context, *models.History) (*models.History, errors.Error)
}
type Deps struct {
Logger *zap.Logger
Repository historyRepository
}
type Service struct {
logger *zap.Logger
repository historyRepository
}
func New(deps Deps) *Service {
if deps.Logger == nil {
log.Panicln("logger is nil on <New (history service)>")
}
if deps.Repository == nil {
log.Panicln("repository is nil on <New (history service)>")
}
return &Service{
logger: deps.Logger,
repository: deps.Repository,
}
}
func (receiver *Service) GetHistoryList(ctx context.Context, pagination *models.Pagination) (*models.PaginationResponse[models.History], errors.Error) {
if pagination == nil {
return nil, errors.New(
fmt.Errorf("pagination is nil on <GetHistoryList> of <HistoryService>: %w", errors.ErrInternalError),
errors.ErrInternalError,
)
}
count, err := receiver.repository.CountAll(ctx)
if err != nil {
receiver.logger.Error("failed to count histories on <GetHistoryList> of <HistoryService>",
zap.Error(err),
)
return nil, err
}
if count == 0 {
return &models.PaginationResponse[models.History]{TotalPages: 0, Records: []models.History{}}, nil
}
totalPages := int64(math.Ceil(float64(count) / float64(pagination.Limit)))
histories, err := receiver.repository.FindMany(ctx, pagination.Page, pagination.Limit)
if err != nil {
receiver.logger.Error("failed to get historiy list on <GetHistoryList> of <HistoryService>",
zap.Error(err),
zap.Int64("page", pagination.Page),
zap.Int64("limit", pagination.Limit),
)
return nil, err
}
return &models.PaginationResponse[models.History]{
TotalPages: totalPages,
Records: histories,
}, nil
}
func (receiver *Service) CreateHistory(ctx context.Context, history *models.History) (*models.History, errors.Error) {
createdHistory, err := receiver.repository.Insert(ctx, history)
if err != nil {
receiver.logger.Error("failed to create history on <CreateHistory> of <HistoryService>", zap.Error(err))
return nil, err
}
return createdHistory, nil
}