fix:修复sql错误 (#85)

* fix:捕获协程异常

* feat:添加睡眠时间

* feat:添加睡眠管理功能

* fix:修改对标时间

* fix:修复sql错误

* feat:添加书评功能

* fix:调整格式

* fix:去掉recover

* feat:更新文档

Co-authored-by: Guohuiyuan <haibaraguo@yeahka.com>

plugin_book_review/model/model.go

@@ -0,0 +1,73 @@
+package model
+
+import (
+	"math/rand"
+	"os"
+	"time"
+
+	log "github.com/sirupsen/logrus"
+
+	"github.com/jinzhu/gorm"
+	_ "github.com/logoove/sqlite"
+)
+
+type BrDB gorm.DB
+
+func Initialize(dbpath string) *BrDB {
+	var err error
+	if _, err = os.Stat(dbpath); err != nil || os.IsNotExist(err) {
+		// 生成文件
+		f, err := os.Create(dbpath)
+		if err != nil {
+			return nil
+		}
+		defer f.Close()
+	}
+	gdb, err := gorm.Open("sqlite3", dbpath)
+	if err != nil {
+		panic(err)
+	}
+	gdb.AutoMigrate(&BookReview{})
+	return (*BrDB)(gdb)
+}
+
+func Open(dbpath string) (*BrDB, error) {
+	db, err := gorm.Open("sqlite3", dbpath)
+	if err != nil {
+		return nil, err
+	} else {
+		return (*BrDB)(db), nil
+	}
+}
+
+type BookReview struct {
+	gorm.Model
+	BookReview string `gorm:"column:book_review"`
+}
+
+func (BookReview) TableName() string {
+	return "book_review"
+}
+
+// 暂时随机选择一个书评
+func (brdb *BrDB) GetBookReviewByKeyword(keyword string) (BookReviewList BookReview) {
+	db := (*gorm.DB)(brdb)
+	rand.Seed(time.Now().UnixNano())
+	var count int
+	db.Debug().Model(&BookReview{}).Where("book_review LIKE ?", "%"+keyword+"%").Count(&count).Offset(rand.Intn(count)).Take(&BookReviewList)
+	log.Println(BookReviewList)
+	return BookReviewList
+}
+
+func (brdb *BrDB) GetRandomBookReview() (bookReview BookReview) {
+	db := (*gorm.DB)(brdb)
+	rand.Seed(time.Now().UnixNano())
+	var count int
+	db.Debug().Model(&BookReview{}).Count(&count).Offset(rand.Intn(count)).Take(&bookReview)
+	return bookReview
+}
+
+func (brdb *BrDB) Close() error {
+	db := (*gorm.DB)(brdb)
+	return db.Close()
+}