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补充controllers

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This commit is contained in:
yumaojun03 2025-05-11 15:09:56 +08:00
parent 048ac6cf39
commit ba14513baa
9 changed files with 157 additions and 7 deletions
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53
book/v3/controllers/arch.drawio Normal file
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42
book/v3/controllers/book.go Normal file
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package controllers
import (
"context"
"122.51.31.227/go-course/go18/book/v3/config"
"122.51.31.227/go-course/go18/book/v3/models"
)
var Book = &BookController{}
type BookController struct {
}
func NewGetBookRequest(bookNumber string) *GetBookRequest {
return &GetBookRequest{
BookNumber: bookNumber,
}
}
type GetBookRequest struct {
BookNumber string
// RequestId string
// ...
}
// 核心功能
// ctx: Trace, 支持请求的取消, request_id
// GetBookRequest 为什么要把他封装为1个对象, GetBook(ctx context.Context, BookNumber string), 保证你的接口的签名的兼容性
// BookController.GetBook(, "")
func (c *BookController) GetBook(ctx context.Context, in *GetBookRequest) (*models.Book, error) {
// context.WithValue(ctx, "request_id", 111)
// ctx.Value("request_id")
bookInstance := &models.Book{}
// 需要从数据库中获取一个对象
if err := config.DB().Where("id = ?", in.BookNumber).Take(bookInstance).Error; err != nil {
return nil, err
}
return bookInstance, nil
}

30
book/v3/controllers/comment.go Normal file
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@ -0,0 +1,30 @@
package controllers
import (
"context"
"fmt"
"122.51.31.227/go-course/go18/book/v3/models"
)
var Comment = &CommentController{}
type CommentController struct {
}
type AddCommentRequest struct {
BookNumber string
}
func (c *CommentController) AddComment(ctx context.Context, in *AddCommentRequest) (*models.Comment, error) {
// 业务处理的细节
// 多个业务模块 进行交互
book, err := Book.GetBook(ctx, NewGetBookRequest(in.BookNumber))
if err != nil {
// 获取查询不到报错
return nil, err
}
// 判断book的状态
fmt.Println(book)
return nil, nil
}

10
book/v3/handlers/book.go
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@ -5,6 +5,7 @@ import (
"strconv"
"122.51.31.227/go-course/go18/book/v3/config"
"122.51.31.227/go-course/go18/book/v3/controllers"
"122.51.31.227/go-course/go18/book/v3/models"
"github.com/gin-gonic/gin"
)
@ -135,14 +136,13 @@ func (h *BookApiHandler) createBook(ctx *gin.Context) {
}
func (h *BookApiHandler) getBook(ctx *gin.Context) {
bookInstance := &models.Book{}
// 需要从数据库中获取一个对象
if err := config.DB().Where("id = ?", ctx.Param("bn")).Take(bookInstance).Error; err != nil {
ctx.JSON(400, gin.H{"code": 500, "message": err.Error()})
book, err := controllers.Book.GetBook(ctx, controllers.NewGetBookRequest(ctx.Param("bn")))
if err != nil {
ctx.JSON(400, gin.H{"code": 400, "message": err.Error()})
return
}
ctx.JSON(200, bookInstance)
ctx.JSON(200, book)
}
func (h *BookApiHandler) updateBook(ctx *gin.Context) {

16
book/v3/handlers/comment.go Normal file
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@ -0,0 +1,16 @@
package handlers
import (
"github.com/gin-gonic/gin"
)
var Comment = &CommentApiHandler{}
type CommentApiHandler struct {
}
func (h *CommentApiHandler) AddComment(ctx *gin.Context) {
// Book.getBook()
// Book.GetBook(id) -> BookInstance
// controllers.Book.GetBook(ctx, controllers.NewGetBookRequest(ctx.Param("bn")))
}

1
book/v3/handlers/user.go Normal file
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@ -0,0 +1 @@
package handlers

5
book/v3/main.go
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@ -4,6 +4,7 @@ import (
"fmt"
"os"
"122.51.31.227/go-course/go18/book/v3/config"
"122.51.31.227/go-course/go18/book/v3/handlers"
"github.com/gin-gonic/gin"
)
@ -13,7 +14,9 @@ func main() {
handlers.Book.Registry(server)
if err := server.Run(":8080"); err != nil {
ac := config.C().Application
// 启动服务
if err := server.Run(fmt.Sprintf("%s:%d", ac.Host, ac.Port)); err != nil {
fmt.Println(err)
os.Exit(1)
}

3
book/v3/models/README.md
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@ -1 +1,2 @@
# 数据模型
# 数据模型

4
book/v3/models/comment.go Normal file
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@ -0,0 +1,4 @@
package models
type Comment struct {
}