add issue checker

.github/ISSUE_TEMPLATE/question.md

@@ -7,6 +7,8 @@ assignees: ''
 
 ---
 
+**Rod Version:** v0.0.0
+
 The community is not charity. We welcome constructive questions, but not without limitation.
 
 Check before you submit:

.github/workflows/check-issues.yml

@@ -0,0 +1,23 @@
+name: Check Issues
+on:
+  issues:
+    types: [opened]
+
+jobs:
+
+  run:
+
+    runs-on: ubuntu-latest
+
+    steps:
+
+    - uses: actions/setup-go@v2
+      with:
+        go-version: 1.14
+
+    - uses: actions/checkout@v2
+
+    - name: check
+      env:
+        GH_ROBOT_TOKEN: ${{ secrets.GH_ROBOT_TOKEN }}
+      run: go run ./lib/utils/check-issue

lib/utils/check-issue/main.go

@@ -0,0 +1,68 @@
+// The .github/workflows/check-issues.yml will use it as an github action
+
+package main
+
+import (
+	"fmt"
+	"os"
+	"regexp"
+
+	"github.com/go-rod/rod/lib/utils"
+	"github.com/ysmood/kit"
+)
+
+const ref = "\n_<sub>generated by [check-issue](https://github.com/go-rod/rod/tree/master/lib/utils/check-issue)</sub>_"
+
+func main() {
+	data, err := kit.ReadFile(os.Getenv("GITHUB_EVENT_PATH"))
+	utils.E(err)
+
+	issue := kit.JSON(data).Get("issue")
+
+	labels := issue.Get("labels").Array()
+
+	for _, l := range labels {
+		name := l.Get("name").Str
+		if name != "question" && name != "bug" {
+			kit.Log("skip", name)
+			return
+		}
+	}
+
+	num := issue.Get("number").Int()
+	body := issue.Get("body").Str
+
+	kit.Log("check issue", num)
+
+	m := regexp.MustCompile(`\*\*Rod Version:\*\* v[0-9.]+`).FindString(body)
+	if m == "" || m == "**Rod Version:** v0.0.0" {
+		kit.Log("invalid issue format", body)
+
+		msg := fmt.Sprintf(
+			"Please add a valid `**Rod Version:** v0.0.0` to your issue. Current version is %s"+
+				ref,
+			currentVer(),
+		)
+
+		q := req(fmt.Sprintf("/repos/go-rod/rod/issues/%d/comments", num)).
+			Post().
+			JSONBody(map[string]string{"body": msg})
+
+		if q.MustResponse().StatusCode >= 400 {
+			panic(q.MustString())
+		}
+	}
+}
+
+func currentVer() string {
+	currentVer := req("/repos/go-rod/rod/releases").
+		Query("per_page", "1").
+		MustJSON().Get("0.tag_name").Str
+
+	kit.Log("current rod version", currentVer)
+	return currentVer
+}
+
+func req(u string) *kit.ReqContext {
+	return kit.Req("https://api.github.com"+u).Header("Authorization", "token "+os.Getenv("GH_ROBOT_TOKEN"))
+}