群管增加翻牌，修复计时器空指针错误

README.md

@@ -49,6 +49,7 @@
     - [x] 在[月份]月[每周or周几]的[小时]点[分钟]分时(用[url])提醒大家[消息]
     - [x] 取消在[月份]月[日期]日的[小时]点[分钟]分的提醒
     - [x] 取消在[月份]月[每周or周几]的[小时]点[分钟]分的提醒
+    - [x] 翻牌
     - [ ] 同意入群请求
     - [ ] 同意好友请求
     - [ ] 撤回[@xxx] [xxx]

go.mod

@@ -4,7 +4,7 @@ go 1.15
 
 require (
 	github.com/antchfx/htmlquery v1.2.3
-	github.com/fumiama/ZeroBot-Plugin-Timer v0.0.0-20210609104507-70d574d5761d
+	github.com/fumiama/ZeroBot-Plugin-Timer v0.0.0-20210609110318-3c8ef99e3c6c
 	github.com/mattn/go-sqlite3 v1.14.7
 	github.com/sirupsen/logrus v1.8.1
 	github.com/t-tomalak/logrus-easy-formatter v0.0.0-20190827215021-c074f06c5816

go.sum

@@ -1,4 +1,5 @@
 github.com/Yiwen-Chan/ZeroBot-Plugin v0.0.0-20210606065432-ce326ce97753/go.mod h1:54LOXRTKW0iR0BcKwRSUK46KfLPz7hiLcGMD5GGtL0k=
+github.com/Yiwen-Chan/ZeroBot-Plugin v0.0.0-20210606082630-29be1bd5eca6/go.mod h1:UfFAgNpRzp1N9HFmYoUlBJ4nvJOMJC9fMBBHQoaHmf8=
 github.com/antchfx/htmlquery v1.2.3 h1:sP3NFDneHx2stfNXCKbhHFo8XgNjCACnU/4AO5gWz6M=
 github.com/antchfx/htmlquery v1.2.3/go.mod h1:B0ABL+F5irhhMWg54ymEZinzMSi0Kt3I2if0BLYa3V0=
 github.com/antchfx/xpath v1.1.6/go.mod h1:Yee4kTMuNiPYJ7nSNorELQMr1J33uOpXDMByNYhvtNk=
@@ -9,8 +10,9 @@ github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
 github.com/fumiama/ZeroBot-Plugin-Timer v0.0.0-20210606064339-d55b94d71eee/go.mod h1:RN0gCtafWRu2d7lMg9/5UfZDhtsPgdeUovsyuSwl+oQ=
-github.com/fumiama/ZeroBot-Plugin-Timer v0.0.0-20210609104507-70d574d5761d h1:p67VMUDiZUhwKjUD6Xsur6FJc96hsikoXI0cm90IGSQ=
+github.com/fumiama/ZeroBot-Plugin-Timer v0.0.0-20210606075146-09f50acdb4de/go.mod h1:vG2ODqgJYFQobphBnhhmNv3TO+j/ZNYvN6FjUP/zkmA=
-github.com/fumiama/ZeroBot-Plugin-Timer v0.0.0-20210609104507-70d574d5761d/go.mod h1:vG2ODqgJYFQobphBnhhmNv3TO+j/ZNYvN6FjUP/zkmA=
+github.com/fumiama/ZeroBot-Plugin-Timer v0.0.0-20210609110318-3c8ef99e3c6c h1:M98iR1Em9EzfaduyhaO/I9Az3CVC0YS3pVbUihoPlM8=
+github.com/fumiama/ZeroBot-Plugin-Timer v0.0.0-20210609110318-3c8ef99e3c6c/go.mod h1:/Tv1kgOdp76gvr1VoVmMG2Xu4c76vXngy6P8NFE4pA0=
 github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
 github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da h1:oI5xCqsCo564l8iNU+DwB5epxmsaqB+rhGL0m5jtYqE=
 github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=

manager/manager.go

@@ -1,6 +1,8 @@
 package manager
 
 import (
+	"fmt"
+	"math/rand"
 	"strconv"
 	"strings"
 
@@ -262,6 +264,15 @@ func init() { // 插件主体
 			}
 			return
 		})
+	// 随机点名
+	zero.OnFullMatchGroup([]string{"翻牌"}, zero.AdminPermission).SetBlock(true).SetPriority(24).
+		Handle(func(ctx *zero.Ctx) {
+			list := ctx.GetGroupMemberList(ctx.Event.GroupID)
+			path := fmt.Sprint(rand.Intn(int(list.Get("#").Int()))) + ".user_id"
+			random_user_id := list.Get(path).Int()
+			ctx.SendChain(message.At(random_user_id), message.Text("就是你啦!"))
+			return
+		})
 	// 入群欢迎
 	zero.OnNotice().SetBlock(false).SetPriority(40).
 		Handle(func(ctx *zero.Ctx) {