baize/examples/binding/main.go

package main

import (
	"fmt"
	"git.sxidc.com/go-framework/baize"
	"git.sxidc.com/go-framework/baize/api"
	"git.sxidc.com/go-framework/baize/application"
	"git.sxidc.com/go-framework/baize/binding"
	"git.sxidc.com/go-framework/baize/domain"
	"git.sxidc.com/go-tools/utils/strutils"
	DEATH "github.com/vrecan/death"
	"syscall"
)

// curl -X POST -H "Content-Type: application/json" -d '{"name":"test"}' "http://localhost:10000/test/v1/class/create"
// curl -X PUT -H "Content-Type: application/json" -d '{"id":"faa5452038204246971c48e5b0d775af", "name":"test-new"}' "http://localhost:10000/test/v1/class/update"
// curl -X GET "http://localhost:10000/test/v1/class/query?name=test-new&pageNo=0&pageSize=1"
// curl -X GET "http://localhost:10000/test/v1/class/get?id=faa5452038204246971c48e5b0d775af"
// curl -X DELETE "http://localhost:10000/test/v1/class/faa5452038204246971c48e5b0d775af/delete"

type CreateClassJsonBody struct {
	Name string `json:"name" binding:"required" assign:"toField:Name"`
}

type DeleteClassPathParams struct {
	ID string `uri:"id" binding:"required" assign:"toField:ID"`
}

type UpdateClassJsonBody struct {
	ID   string `json:"id" binding:"required" assign:"toField:ID"`
	Name string `json:"name" assign:"toField:Name"`
}

type QueryClassesQueryParams struct {
	Name     string `form:"name" assign:"toField:Name"`
	PageNo   int    `form:"pageNo" assign:"-"`
	PageSize int    `form:"pageSize" assign:"-"`
}

type GetClassQueryParams struct {
	ID string `form:"id" binding:"required" assign:"toField:ID"`
}

type Class struct {
	ID   string
	Name string
}

type ClassInfo struct {
	ID   string `json:"id"`
	Name string `json:"name"`
}

var classMap = make(map[string]domain.Object)

func main() {
	app := baize.NewApplication(application.Config{
		ApiConfig: application.ApiConfig{
			UrlPrefix: "test",
			Port:      "10000",
		},
	})

	v1Router := app.Api().PrefixRouter().RegisterVersionedRouter("v1")

	// 创建班级
	binding.PostBind(v1Router, &binding.SimpleBindItem[string]{
		Path:         "/class/create",
		ResponseFunc: binding.SendIDResponse[string],
		DTO:          &CreateClassJsonBody{},
		FormDomainObjectsFunc: func(c *api.Context, dto binding.DTO) ([]domain.Object, error) {
			class := new(Class)
			err := binding.AssignDTOToDomainObject(dto, class)
			if err != nil {
				return nil, err
			}

			return []domain.Object{class}, nil
		},
		ServiceFunc: func(c *api.Context, dto binding.DTO, objects []domain.Object) (string, error) {
			e := domain.ToConcreteObject[*Class](objects[0])
			e.ID = strutils.SimpleUUID()
			classMap[e.ID] = e
			return e.ID, nil
		},
	})

	// 删除班级
	binding.DeleteBind(v1Router, &binding.SimpleBindItem[any]{
		Path:         "/class/:id/delete",
		ResponseFunc: binding.SendMsgResponse,
		DTO:          &DeleteClassPathParams{},
		FormDomainObjectsFunc: func(c *api.Context, dto binding.DTO) ([]domain.Object, error) {
			return []domain.Object{
				&Class{
					ID: binding.Field[string](dto, "ID"),
				},
			}, nil
		},
		ServiceFunc: func(c *api.Context, dto binding.DTO, objects []domain.Object) (any, error) {
			id := domain.Field[string](objects[0], "ID")
			delete(classMap, id)
			fmt.Println("Deleted Entity:" + id)
			return nil, nil
		},
	})

	// 修改班级
	binding.PutBind(v1Router, &binding.SimpleBindItem[any]{
		Path:         "/class/update",
		ResponseFunc: binding.SendMsgResponse,
		DTO:          &UpdateClassJsonBody{},
		Objects:      []domain.Object{&Class{}},
		ServiceFunc: func(c *api.Context, dto binding.DTO, objects []domain.Object) (any, error) {
			id := domain.Field[string](objects[0], "ID")
			newName := domain.Field[string](objects[0], "Name")

			existEntity, ok := classMap[id]
			if !ok {
				fmt.Println("Update Entity:" + id)
				fmt.Println("Not Find")
				return nil, nil
			}

			domain.SetField(existEntity, "Name", newName)

			fmt.Println("Update Entity:" + id)
			fmt.Println("Name:" + newName)

			return nil, nil
		},
	})

	// 查询班级
	binding.GetBind(v1Router, &binding.SimpleBindItem[binding.InfosData[ClassInfo]]{
		Path:         "/class/query",
		ResponseFunc: binding.SendInfosResponse[ClassInfo],
		DTO:          &QueryClassesQueryParams{},
		FormDomainObjectsFunc: func(c *api.Context, dto binding.DTO) ([]domain.Object, error) {
			class := new(Class)
			err := binding.AssignDTOToDomainObject(dto, class)

			if err != nil {
				return nil, err
			}

			return []domain.Object{class}, nil
		},
		ServiceFunc: func(c *api.Context, dto binding.DTO, objects []domain.Object) (binding.InfosData[ClassInfo], error) {
			name := domain.Field[string](objects[0], "Name")

			classInfos := make([]ClassInfo, 0)

			pageNo := binding.Field[int](dto, "PageNo")
			pageSize := binding.Field[int](dto, "PageSize")

			startCount := 1
			if pageNo != 0 && pageSize != 0 {
				startCount = pageNo*pageSize + 1
			}

			needFindCount := len(classMap)
			if pageNo != 0 && pageSize != 0 {
				needFindCount = pageSize
			}

			count := 1
			findCount := 0

			for _, existEntity := range classMap {
				existID := domain.Field[string](existEntity, "ID")
				existName := domain.Field[string](existEntity, "Name")

				if findCount >= needFindCount {
					break
				}

				if count >= startCount {
					find := false
					if strutils.IsStringNotEmpty(name) {
						if existName == name {
							find = true
							findCount++
						}
					} else {
						find = true
						findCount++
					}

					if find {
						classInfos = append(classInfos, ClassInfo{
							ID:   existID,
							Name: existName,
						})
					}
				}

				count++
			}

			return binding.InfosData[ClassInfo]{
				Infos:      classInfos,
				TotalCount: int64(len(classMap)),
				PageNo:     pageNo,
			}, nil
		},
	})

	// 通过ID获取班级
	binding.GetBind(v1Router, &binding.SimpleBindItem[*ClassInfo]{
		Path:         "/class/get",
		ResponseFunc: binding.SendInfoResponse[*ClassInfo],
		DTO:          &GetClassQueryParams{},
		FormDomainObjectsFunc: func(c *api.Context, dto binding.DTO) ([]domain.Object, error) {
			class := new(Class)
			err := binding.AssignDTOToDomainObject(dto, class)
			if err != nil {
				return nil, err
			}

			return []domain.Object{class}, nil
		},
		ServiceFunc: func(c *api.Context, dto binding.DTO, objects []domain.Object) (*ClassInfo, error) {
			id := domain.Field[string](objects[0], "ID")

			classInfo := new(ClassInfo)
			for _, existEntity := range classMap {
				if domain.Field[string](existEntity, "ID") == id {
					classInfo = &ClassInfo{
						ID:   domain.Field[string](existEntity, "ID"),
						Name: domain.Field[string](existEntity, "Name"),
					}
				}
			}

			return classInfo, nil
		},
	})

	go func() {
		err := app.Start()
		if err != nil {
			panic(err)
		}
	}()

	defer func() {
		err := app.Finish()
		if err != nil {
			panic(err)
		}
	}()

	death := DEATH.NewDeath(syscall.SIGINT, syscall.SIGTERM)
	_ = death.WaitForDeath()
}