105 lines
2.6 KiB
Go
105 lines
2.6 KiB
Go
package biz
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import (
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"context"
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"time"
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"gitlab.guxuan.icu/jinshan_community/internal/mods/product/dal"
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"gitlab.guxuan.icu/jinshan_community/internal/mods/product/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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)
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// Defining the `Product` business logic.
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type Product struct {
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Trans *util.Trans
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ProductDAL *dal.Product
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}
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// Query products from the data access object based on the provided parameters and options.
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func (a *Product) Query(ctx context.Context, params schema.ProductQueryParam) (*schema.ProductQueryResult, error) {
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params.Pagination = true
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result, err := a.ProductDAL.Query(ctx, params, schema.ProductQueryOptions{
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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 product from the data access object.
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func (a *Product) Get(ctx context.Context, id string) (*schema.Product, error) {
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product, err := a.ProductDAL.Get(ctx, id)
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if err != nil {
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return nil, err
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} else if product == nil {
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return nil, errors.NotFound("", "Product not found")
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}
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return product, nil
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}
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// Create a new product in the data access object.
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func (a *Product) Create(ctx context.Context, formItem *schema.ProductForm) (*schema.Product, error) {
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product := &schema.Product{}
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if err := formItem.FillTo(product); 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.ProductDAL.Create(ctx, product); 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 product, nil
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}
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// Update the specified product in the data access object.
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func (a *Product) Update(ctx context.Context, id string, formItem *schema.ProductForm) error {
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product, err := a.ProductDAL.Get(ctx, id)
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if err != nil {
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return err
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} else if product == nil {
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return errors.NotFound("", "Product not found")
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}
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if err := formItem.FillTo(product); err != nil {
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return err
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}
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product.UpdatedAt = time.Now()
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return a.Trans.Exec(ctx, func(ctx context.Context) error {
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if err := a.ProductDAL.Update(ctx, product); 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 product from the data access object.
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func (a *Product) Delete(ctx context.Context, id string) error {
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exists, err := a.ProductDAL.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("", "Product 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.ProductDAL.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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