Initial commit

gql.go

@@ -0,0 +1,73 @@
+package gql
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+
+	"github.com/tidwall/gjson"
+	"github.com/valyala/fasthttp"
+)
+
+var GraphQLUrl = "http://127.0.0.1:9090/v1/graphql"
+
+type requestBase struct {
+	Query     string      `json:"query"`
+	Variables interface{} `json:"variables"`
+}
+
+func queryBuilder(data string, variables interface{}) []byte {
+	var qb requestBase
+	qb.Query = data
+	qb.Variables = variables
+	j := new(bytes.Buffer)
+	j2, _ := json.Marshal(qb)
+	if err := json.Compact(j, j2); err != nil {
+		fmt.Println(err)
+		panic("Unable to process the query")
+	}
+	return j.Bytes()
+}
+
+func Query(query string, variables interface{}, headers map[string]interface{}) string {
+	readyQuery := queryBuilder(query, variables)
+	req := fasthttp.AcquireRequest()
+	req.Header.SetContentType("application/json")
+	for header, value := range headers {
+		req.Header.Set(fmt.Sprintf("%v", header), fmt.Sprintf("%v", value))
+	}
+	req.Header.SetMethodBytes([]byte("POST"))
+	req.SetBody(readyQuery)
+	req.SetRequestURI(GraphQLUrl)
+	res := fasthttp.AcquireResponse()
+	if err := fasthttp.Do(req, res); err != nil {
+		panic("Unable to execute request")
+	}
+	fasthttp.ReleaseRequest(req)
+	body := res.Body()
+	toReturn := gjson.Get(string(body), "data")
+	if toReturn.String() == "" {
+		fmt.Println("Probably not what you expect:", string(body))
+	}
+	fasthttp.ReleaseResponse(res)
+	return toReturn.String()
+}
+
+// func main() {
+// headers := map[string]interface{}{
+// 	"x-hasura-user-id":   37,
+// 	"x-hasura-user-uuid": "bde3262e-b42e-4151-ac10-d43fb38f44a5",
+// }
+// variables := map[string]interface{}{
+// 	"UserID":  37,
+// 	"GroupID": 11007,
+// }
+// var query = `query checkifUserIsAdmin($UserID: bigint, $GroupID: bigint) {
+// 	tbl_user_group_admins(where: {is_admin: {_eq: "1"}, user_id: {_eq: $UserID}, group_id: {_eq: $GroupID}}) {
+// 		id
+// 		is_admin
+// 	}
+// }`
+// result := Query(query, variables, headers)
+// fmt.Println(result)
+// }