105 lines
2.5 KiB
Go
105 lines
2.5 KiB
Go
package biz
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import (
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"context"
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"time"
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"github.guxuan/haibei/internal/mods/common/dal"
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"github.guxuan/haibei/internal/mods/common/schema"
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"github.guxuan/haibei/pkg/errors"
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"github.guxuan/haibei/pkg/util"
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)
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// Defining the `Banner` business logic.
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type Banner struct {
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Trans *util.Trans
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BannerDAL *dal.Banner
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}
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// Query banners from the data access object based on the provided parameters and options.
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func (a *Banner) Query(ctx context.Context, params schema.BannerQueryParam) (*schema.BannerQueryResult, error) {
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params.Pagination = true
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result, err := a.BannerDAL.Query(ctx, params, schema.BannerQueryOptions{
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QueryOptions: util.QueryOptions{
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OrderFields: []util.OrderByParam{
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{Field: "created_at", Direction: util.DESC},
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},
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},
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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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return result, nil
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}
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// Get the specified banner from the data access object.
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func (a *Banner) Get(ctx context.Context, id uint) (*schema.Banner, error) {
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banner, err := a.BannerDAL.Get(ctx, id)
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if err != nil {
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return nil, err
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} else if banner == nil {
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return nil, errors.NotFound("", "Banner not found")
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}
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return banner, nil
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}
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// Create a new banner in the data access object.
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func (a *Banner) Create(ctx context.Context, formItem *schema.BannerForm) (*schema.Banner, error) {
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banner := &schema.Banner{}
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if err := formItem.FillTo(banner); err != nil {
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return nil, err
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}
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err := a.Trans.Exec(ctx, func(ctx context.Context) error {
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if err := a.BannerDAL.Create(ctx, banner); err != nil {
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return err
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}
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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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return banner, nil
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}
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// Update the specified banner in the data access object.
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func (a *Banner) Update(ctx context.Context, id uint, formItem *schema.BannerForm) error {
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banner, err := a.BannerDAL.Get(ctx, id)
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if err != nil {
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return err
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} else if banner == nil {
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return errors.NotFound("", "Banner not found")
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}
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if err := formItem.FillTo(banner); err != nil {
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return err
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}
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banner.UpdatedAt = time.Now()
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return a.Trans.Exec(ctx, func(ctx context.Context) error {
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if err := a.BannerDAL.Update(ctx, banner); err != nil {
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return err
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}
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return nil
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})
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}
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// Delete the specified banner from the data access object.
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func (a *Banner) Delete(ctx context.Context, id uint) error {
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exists, err := a.BannerDAL.Exists(ctx, id)
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if err != nil {
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return err
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} else if !exists {
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return errors.NotFound("", "Banner not found")
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}
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return a.Trans.Exec(ctx, func(ctx context.Context) error {
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if err := a.BannerDAL.Delete(ctx, id); err != nil {
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return err
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}
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return nil
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})
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}
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