[#232] fix api to use common Version schema

also rewrote the schema fetcher to use Go

schemas/fetch-schemas.go

@@ -0,0 +1,63 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"io/ioutil"
+	"net/http"
+	"strings"
+
+	"golang.org/x/net/html"
+)
+
+func mayPanic(err error) {
+	if err != nil {
+		panic(err)
+	}
+}
+
+func main() {
+	resp, err := http.Get("https://docs.atlassian.com/software/jira/docs/api/REST/7.12.0/")
+	mayPanic(err)
+	defer resp.Body.Close()
+
+	capture := false
+	nextCodeBlock := false
+	stream := html.NewTokenizer(resp.Body)
+	var buffer string
+	for tt := stream.Next(); tt != html.ErrorToken; tt = stream.Next() {
+		t := stream.Token()
+		if t.Data == "h6" && tt == html.StartTagToken {
+			capture = true
+		}
+		if t.Data == "h6" && tt == html.EndTagToken {
+			capture = false
+			if strings.Contains(strings.ToLower(buffer), "schema") {
+				nextCodeBlock = true
+			}
+			buffer = ""
+		}
+		if nextCodeBlock && t.Data == "code" && tt == html.StartTagToken {
+			capture = true
+		}
+		if nextCodeBlock && t.Data == "code" && tt == html.EndTagToken {
+			capture = false
+			schema := map[string]interface{}{}
+			err := json.Unmarshal([]byte(buffer), &schema)
+			mayPanic(err)
+			title, ok := schema["title"].(string)
+			if ok {
+				title = strings.ReplaceAll(title, " ", "")
+				fileName := fmt.Sprintf("%s.json", title)
+				fmt.Printf("Writing %s\n", fileName)
+				err := ioutil.WriteFile(fileName, []byte(buffer), 0644)
+				mayPanic(err)
+			}
+			buffer = ""
+			nextCodeBlock = false
+		}
+		if capture && tt == html.TextToken {
+			buffer += t.Data
+		}
+	}
+}