🚧 初步完成

api/mint/lesson.go

@@ -0,0 +1,160 @@
+package mint
+
+import (
+	"net/http"
+	"io/ioutil"
+	"strings"
+	"strconv"
+	"fmt"
+	"github.com/gin-gonic/gin"
+	"github.com/go-pg/pg/v10"
+	"time"
+)
+
+type Lesson struct {
+	Id     int64 `form:"id" json:"id" binding:"required"`
+	CourseId     int64 `form:"course_id" json:"course_id" binding:"required"`
+	Cover string
+	Title string `form:"title" json:"title" binding:"required"`
+	Subtitle string `form:"subtitle" json:"subtitle" binding:"required"`
+	Summary string `form:"summary" json:"summary" binding:"required"`
+	Tag string `form:"tag" json:"tag" binding:"required"`
+	Teacher int64 `form:"teacher" json:"teacher" binding:"required"`
+	Lang string `form:"lang" json:"lang" binding:"required"`
+	Speech_lang string `form:"speech_lang" json:"speech_lang" binding:"required"`
+	Status int64 `form:"status" json:"status" binding:"required"`
+	Content string `form:"content" json:"content" binding:"required"`
+	Creator int64
+	StartDate int64 `form:"date" json:"date" binding:"required"`
+    Duration int64 `form:"duration" json:"duration" binding:"required"` 
+    Create_time int64
+    Update_time int64
+    Delete_time int64
+}
+//查询
+func GetLesson(db *pg.DB) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		lid,err := strconv.ParseInt(c.Param("lid"),10,64)
+		if err != nil {
+			panic(err)
+		}
+		fmt.Println("get lesson")
+		// TODO 在这里进行db操作
+		// Select user by primary key.
+		lesson := &Lesson{Id: lid}
+		err = db.Model(lesson).WherePK().Select()
+		if err != nil {
+			panic(err)
+		}
+		
+		c.JSON(http.StatusOK, gin.H{
+			"message": "lesson-"+lesson.Title,
+		})
+	}
+}
+
+//查询
+func GetLessonByTitle(db *pg.DB) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		title:= c.Param("ltitle")
+
+		// TODO 在这里进行db操作
+		// Select user by primary key.
+		var lessons []Lesson
+		err := db.Model(&lessons).Column("id","title","subtitle").Where("title like ?",title+"%").Select()
+		if err != nil {
+			panic(err)
+		}
+		
+		c.JSON(http.StatusOK, gin.H{
+			"message": lessons,
+		})
+	}
+}
+
+//新建-
+//PUT http://127.0.0.1:8080/api/lesson?title=lesson-one&course_id=1&status=10
+func PutLesson(db *pg.DB) gin.HandlerFunc{
+	return func(c *gin.Context){
+	
+		title := c.Query("title")
+		courseId,err := strconv.ParseInt(c.Query("course_id"),10,64)
+		status1,err := strconv.ParseInt(c.Query("status"),10,64)
+		if err != nil {
+			panic(err)
+		}
+
+		newLesson := &Lesson{
+			Title:   title,
+			CourseId: courseId,
+			Status: status1,
+			Teacher:0,
+			Creator:0,
+			Create_time:time.Now().Unix(),
+			Update_time:time.Now().Unix(),
+		}
+		_, err = db.Model(newLesson).Insert()
+		if err != nil {
+			panic(err)
+		}
+
+		//修改course lesson number
+		url := "http://127.0.0.1:8080/api/course/lessonnum/"+c.Query("course_id")+"/1"
+		contentType := "application/json"
+		data := `{"id":courseId,"lesson_num":1}`
+		resp, err := http.Post(url, contentType, strings.NewReader(data))
+		if err != nil {
+			panic(err)
+		}
+		defer resp.Body.Close()
+		b, err := ioutil.ReadAll(resp.Body)
+		if err != nil {
+			panic(err)
+		}
+		//修改完毕
+		c.JSON(http.StatusOK,gin.H{
+			"message":string(b),
+		})
+	}
+}
+
+//改
+func PostLesson(db *pg.DB) gin.HandlerFunc{
+	return func(c *gin.Context){
+		var form Lesson
+
+		if err := c.ShouldBindJSON(&form); err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+
+		_,err := db.Model(&form).Table("lessons").Column("title","subtitle","summary","teacher","tag","lang","speech_lang","status","content","start_date","duration").WherePK().Update()
+		if err != nil {
+			panic(err)
+		}
+		c.JSON(http.StatusOK,gin.H{
+			"message":"update ok",
+		})
+	}
+}
+
+
+//删
+func DeleteLesson(db *pg.DB) gin.HandlerFunc{
+	return func(c *gin.Context){
+		id,err := strconv.ParseInt(c.Param("lid"),10,64)
+		if err != nil {
+			panic(err)
+		}
+		lesson := &Lesson{
+			Id:   id,
+		}
+		_, err = db.Model(lesson).WherePK().Delete()
+		if err != nil {
+			panic(err)
+		}
+		c.JSON(http.StatusOK,gin.H{
+			"message":"delete "+c.Param("lid"),
+		})
+	}
+}