initial commit

internal/core/base.go

@@ -0,0 +1,64 @@
+package core
+
+import (
+	"context"
+	"fmt"
+	"time"
+
+	"github.com/rs/zerolog"
+)
+
+type BaseAction interface{}
+
+type Action[Q, R any] interface {
+	BaseAction
+
+	Do(context.Context, Q) (R, error)
+}
+
+type ActionDecorator[Q, R any, A Action[Q, R]] interface {
+	Action[Q, R]
+}
+
+type baseAction struct {
+	env *Env
+}
+
+func newBaseAction(env *Env) baseAction {
+	return baseAction{
+		env: env,
+	}
+}
+
+func applyDecorators[Q, R any, A Action[Q, R]](action A) ActionDecorator[Q, R, A] {
+	return logActionDecorator[Q, R, A]{
+		action: action,
+	}
+}
+
+type logActionDecorator[Q, R any, A Action[Q, R]] struct {
+	action Action[Q, R]
+}
+
+func (d logActionDecorator[Q, R, A]) Do(ctx context.Context, params Q) (result R, err error) {
+	actionName := getTypeName[A]()
+	start := time.Now()
+	log := zerolog.Ctx(ctx).With().Str("action_name", actionName).Logger()
+	ctx = log.WithContext(ctx)
+
+	result, err = d.action.Do(ctx, params)
+	elapsed := time.Since(start)
+	if err != nil {
+		log.Warn().Err(err).Dur("elapsed", elapsed).Msg("action failed")
+	}
+
+	log.Info().Dur("elapsed", elapsed).Msg("action successed")
+
+	return result, err
+}
+
+func getTypeName[T any]() string {
+	var t T
+	out := fmt.Sprintf("%T", t)
+	return out
+}

internal/core/creategoodsitem.go

@@ -0,0 +1,45 @@
+package core
+
+import (
+	"context"
+	"fmt"
+
+	"git.loyso.art/frx/eway/internal/entity"
+)
+
+type CreateGoodsItemParams struct {
+	GoodsItems []entity.GoodsItem
+}
+type CreateGoodsItemResult struct {
+	GoodsItems []entity.GoodsItem
+}
+
+type createGoodsItemAction struct {
+	baseAction
+}
+
+type CreateGoodsItemAction Action[CreateGoodsItemParams, CreateGoodsItemResult]
+
+func NewCreateGoodsItemAction(
+	env *Env,
+) ActionDecorator[CreateGoodsItemParams, CreateGoodsItemResult, CreateGoodsItemAction] {
+	ba := newBaseAction(env)
+
+	action := &createGoodsItemAction{
+		baseAction: ba,
+	}
+
+	return applyDecorators(action)
+}
+
+func (a *createGoodsItemAction) Do(
+	ctx context.Context,
+	params CreateGoodsItemParams,
+) (result CreateGoodsItemResult, err error) {
+	result.GoodsItems, err = a.env.repository.GoodsItem().UpsertMany(ctx, params.GoodsItems...)
+	if err != nil {
+		return result, fmt.Errorf("upserting items: %w", err)
+	}
+
+	return result, nil
+}

internal/core/env.go

@@ -0,0 +1,11 @@
+package core
+
+import (
+	"git.loyso.art/frx/eway/internal/entity"
+	"git.loyso.art/frx/eway/internal/storage"
+)
+
+type Env struct {
+	repository storage.Repository
+	mapper     entity.Mapper
+}

internal/core/getcategory.go

@@ -0,0 +1,49 @@
+package core
+
+import (
+	"context"
+	"fmt"
+
+	"git.loyso.art/frx/eway/internal/entity"
+)
+
+type GetCategoryParams struct {
+	ID   int64
+	Name string
+}
+type GetCategoryResult struct {
+	Category entity.Category
+}
+
+type GetCategoryAction Action[GetCategoryParams, GetCategoryResult]
+
+type getCategoryAction struct {
+	baseAction
+}
+
+func NewGetCategoryAction(env *Env) ActionDecorator[GetCategoryParams, GetCategoryResult, GetCategoryAction] {
+	ba := newBaseAction(env)
+
+	action := &getCategoryAction{
+		baseAction: ba,
+	}
+
+	return applyDecorators(action)
+}
+
+func (a *getCategoryAction) Do(ctx context.Context, params GetCategoryParams) (result GetCategoryResult, err error) {
+	id := params.ID
+	if params.Name != "" {
+		id, err = a.env.mapper.CategoryNameToID(ctx, params.Name)
+		if err != nil {
+			return result, fmt.Errorf("resolving category id: %w", err)
+		}
+	}
+
+	result.Category, err = a.env.repository.Category().Get(ctx, id)
+	if err != nil {
+		return result, fmt.Errorf("getting category: %w", err)
+	}
+
+	return result, nil
+}

internal/core/listcategories.go

@@ -0,0 +1,38 @@
+package core
+
+import (
+	"context"
+	"fmt"
+
+	"git.loyso.art/frx/eway/internal/entity"
+)
+
+type ListCategoriesParams struct{}
+type ListCategoriesResult struct {
+	Categories []entity.Category
+}
+
+type listCategoriesAction struct {
+	baseAction
+}
+
+type ListCategoriesAction Action[ListCategoriesParams, ListCategoriesResult]
+
+func NewListCategoriesAction(env *Env) ActionDecorator[ListCategoriesParams, ListCategoriesResult, ListCategoriesAction] {
+	ba := newBaseAction(env)
+
+	action := &listCategoriesAction{
+		baseAction: ba,
+	}
+
+	return applyDecorators(action)
+}
+
+func (l *listCategoriesAction) Do(ctx context.Context, params ListCategoriesParams) (result ListCategoriesResult, err error) {
+	result.Categories, err = l.env.repository.Category().List(ctx)
+	if err != nil {
+		return result, fmt.Errorf("listing: %w", err)
+	}
+
+	return result, nil
+}