Initial commit.

graphql.go

@@ -0,0 +1,46 @@
+package main
+
+import (
+	fiber "github.com/gofiber/fiber/v2"
+	"github.com/graphql-go/graphql/language/ast"
+	"github.com/graphql-go/graphql/language/parser"
+	libpack_monitoring "github.com/telegram-bot-app/libpack/monitoring"
+)
+
+func parseGraphQLQuery(c *fiber.Ctx) (operationType, operationName string, cacheRequest bool) {
+	m := make(map[string]interface{})
+	err := json.Unmarshal(c.Body(), &m)
+	if err != nil {
+		cfg.Logger.Error("Can't unmarshal the request", map[string]interface{}{"error": err.Error(), "body": string(c.Body())})
+		cfg.Monitoring.Increment(libpack_monitoring.MetricsFailed, nil)
+		return
+	}
+	// get the query
+	query, ok := m["query"].(string)
+	if !ok {
+		cfg.Logger.Error("Can't find the query", map[string]interface{}{"query": query, "m_val": m})
+		cfg.Monitoring.Increment(libpack_monitoring.MetricsSkipped, nil)
+		return
+	}
+
+	p, err := parser.Parse(parser.ParseParams{Source: query})
+	if err != nil {
+		cfg.Logger.Error("Can't parse the query", map[string]interface{}{"query": query, "m_val": m})
+		cfg.Monitoring.Increment(libpack_monitoring.MetricsFailed, nil)
+		return
+	}
+
+	operationName = "undefined"
+	for _, d := range p.Definitions {
+		if oper, ok := d.(*ast.OperationDefinition); ok {
+			operationType = oper.Operation
+			operationName = oper.Name.Value
+			for _, dir := range oper.Directives {
+				if dir.Name.Value == "cached" {
+					cacheRequest = true
+				}
+			}
+		}
+	}
+	return
+}