add randList

oilseal-train/api/test.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"oilseal-train/db/model"
 	"oilseal-train/db/repo"
+	"strconv"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -17,6 +18,7 @@ func Test(r *GinRouter) {
 	r.GETJWT("/test/list", TestList)
 	r.POSTJWT("/test/update", TestEdit)
 	r.POSTJWT("/test/delete/:id", TestDelete)
+	r.GETJWT("/test/randList", TestRandList)
 }
 
 // 新增
@@ -89,6 +91,53 @@ func TestList(c *gin.Context, apictx *ApiSession) (interface{}, error) {
 	return result, err
 }
 
+// 获取随机试题
+func TestRandList(c *gin.Context, apictx *ApiSession) (interface{}, error) {
+	// bankId number type map
+	_bankId := c.Query("bankId")
+	_number := c.Query("number")
+	_type := c.Query("type")
+
+	bankId, err := primitive.ObjectIDFromHex(_bankId)
+	if err != nil {
+		return nil, errors.New("bankId错误")
+	}
+	number, err := strconv.Atoi(_number)
+	// number 不存在时默认为10
+	if err != nil {
+		number = 10
+	}
+	fmt.Println(number)
+
+	tsType, err := strconv.Atoi(_type)
+	if err != nil {
+		return nil, errors.New("题型错误")
+	}
+	tests := []*model.Test{}
+	repo.RepoDocsSearch(apictx.CreateRepoCtx(), &repo.PageSearchOptions{
+		CollectName: repo.CollectionTest,
+		Query:       repo.Map{"bankId": bankId, "type": tsType, "state": 1},
+	}, &tests)
+	if len(tests) <= number {
+		return tests, nil
+	}
+	// 放入map中，利用map特性随机得到试题
+	sets := make(map[primitive.ObjectID]*model.Test)
+	for _, ts := range tests {
+		sets[ts.Id] = ts
+	}
+	list := []*model.Test{}
+	for _, ts := range sets {
+		if len(list) < number {
+			list = append(list, ts)
+		} else {
+			break
+		}
+	}
+
+	return list, nil
+}
+
 // 更新
 func TestEdit(c *gin.Context, apictx *ApiSession) (interface{}, error) {
 	// 操作用户为admin

oilseal-train/api/tmp.json

@@ -0,0 +1,15 @@
+{
+  "bankId": "6397f71e94ab390229bb866e",
+  "question": "下列哪个不属于CRF模型对于HMM和MEMM模型的优势",
+  "answerItem": {
+    "A": "特征灵活",
+    "B": "速度快",
+    "C": "可容纳较多上下文信息",
+    "D": "全局最优"
+  },
+  "answer": [
+    "B"
+  ],
+  "analyze": "CRF没有HMM那样严格的独立性假设条件,因而可以容纳任意的上下文信息。特征设计灵活与ME一样",
+  "type": 1
+}