84 lines
2.4 KiB
Go
84 lines
2.4 KiB
Go
package dal
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import (
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"context"
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"gitlab.guxuan.icu/jinshan_community/internal/mods/common/schema"
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"gitlab.guxuan.icu/jinshan_community/pkg/errors"
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"gitlab.guxuan.icu/jinshan_community/pkg/util"
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"gorm.io/gorm"
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)
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// Get banner storage instance
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func GetBannerDB(ctx context.Context, defDB *gorm.DB) *gorm.DB {
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return util.GetDB(ctx, defDB).Model(new(schema.Banner))
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}
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// Defining the `Banner` data access object.
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type Banner struct {
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DB *gorm.DB
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}
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// Query banners from the database based on the provided parameters and options.
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func (a *Banner) Query(ctx context.Context, params schema.BannerQueryParam, opts ...schema.BannerQueryOptions) (*schema.BannerQueryResult, error) {
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var opt schema.BannerQueryOptions
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if len(opts) > 0 {
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opt = opts[0]
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}
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db := GetBannerDB(ctx, a.DB)
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var list schema.Banners
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pageResult, err := util.WrapPageQuery(ctx, db, params.PaginationParam, opt.QueryOptions, &list)
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if err != nil {
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return nil, errors.WithStack(err)
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}
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queryResult := &schema.BannerQueryResult{
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PageResult: pageResult,
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Data: list,
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}
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return queryResult, nil
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}
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// Get the specified banner from the database.
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func (a *Banner) Get(ctx context.Context, id string, opts ...schema.BannerQueryOptions) (*schema.Banner, error) {
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var opt schema.BannerQueryOptions
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if len(opts) > 0 {
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opt = opts[0]
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}
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item := new(schema.Banner)
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ok, err := util.FindOne(ctx, GetBannerDB(ctx, a.DB).Where("id=?", id), opt.QueryOptions, item)
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if err != nil {
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return nil, errors.WithStack(err)
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} else if !ok {
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return nil, nil
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}
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return item, nil
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}
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// Exists checks if the specified banner exists in the database.
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func (a *Banner) Exists(ctx context.Context, id string) (bool, error) {
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ok, err := util.Exists(ctx, GetBannerDB(ctx, a.DB).Where("id=?", id))
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return ok, errors.WithStack(err)
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}
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// Create a new banner.
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func (a *Banner) Create(ctx context.Context, item *schema.Banner) error {
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result := GetBannerDB(ctx, a.DB).Create(item)
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return errors.WithStack(result.Error)
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}
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// Update the specified banner in the database.
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func (a *Banner) Update(ctx context.Context, item *schema.Banner) error {
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result := GetBannerDB(ctx, a.DB).Where("id=?", item.ID).Select("*").Omit("created_at").Updates(item)
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return errors.WithStack(result.Error)
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}
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// Delete the specified banner from the database.
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func (a *Banner) Delete(ctx context.Context, id string) error {
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result := GetBannerDB(ctx, a.DB).Where("id=?", id).Delete(new(schema.Banner))
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return errors.WithStack(result.Error)
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}
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