From fa1e762f51280f06b788f9faac56e51f1faa7458 Mon Sep 17 00:00:00 2001
From: James Tombleson <luther38@gmail.com>
Date: Wed, 17 Jul 2024 22:01:58 -0700
Subject: [PATCH] made a script to convert swagger to a openapi document

---
 tools/swaggertoopenapi/main.go            | 17 ++++++
 tools/swaggertoopenapi/src/online.go      | 70 +++++++++++++++++++++++
 tools/swaggertoopenapi/src/online_test.go | 14 +++++
 3 files changed, 101 insertions(+)
 create mode 100644 tools/swaggertoopenapi/main.go
 create mode 100644 tools/swaggertoopenapi/src/online.go
 create mode 100644 tools/swaggertoopenapi/src/online_test.go

diff --git a/tools/swaggertoopenapi/main.go b/tools/swaggertoopenapi/main.go
new file mode 100644
index 0000000..6404045
--- /dev/null
+++ b/tools/swaggertoopenapi/main.go
@@ -0,0 +1,17 @@
+package main
+
+import (
+	"fmt"
+	"os"
+
+	"git.jamestombleson.com/jtom38/newsbot-api/tools/swaggertoopenapi/src"
+)
+
+
+func main() {
+	err := src.ConvertToOpenApi("docs/swagger.json", "docs/openapi.json", true)
+	if err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+}
diff --git a/tools/swaggertoopenapi/src/online.go b/tools/swaggertoopenapi/src/online.go
new file mode 100644
index 0000000..29910d2
--- /dev/null
+++ b/tools/swaggertoopenapi/src/online.go
@@ -0,0 +1,70 @@
+package src
+
+import (
+	"bytes"
+	"fmt"
+	"io"
+	"log"
+	"net/http"
+	"os"
+)
+
+const (
+	ApplicationJson = "application/json"
+)
+
+func ConvertToOpenApi(filePath, outputPath string, force bool) error {
+	// check if the file already exists
+	exists, err := os.Stat(outputPath)
+	if exists != nil {
+		// if force was given, attempt to remove it
+		if force {
+			err = os.Remove(outputPath)
+			if err != nil {
+				return err
+			}
+		} else {
+			return fmt.Errorf("'%s' already exists and force was not approved", outputPath)
+		}
+	}
+
+	log.Printf("Reading '%s'", filePath)
+	content, err := os.ReadFile(filePath)
+	if err != nil {
+		return err
+	}
+
+	client := http.Client{}
+	req, err := http.NewRequest(http.MethodPost, "https://converter.swagger.io/api/convert", bytes.NewReader(content))
+	if err != nil {
+		return err
+	}
+	req.Header.Add("Accept", ApplicationJson)
+	req.Header.Add("Content-Type", ApplicationJson)
+
+	log.Println("Converting to OpenAPI spec")
+	resp, err := client.Do(req)
+	if err != nil {
+		return err
+	}
+
+	log.Println("Reading the response")
+	respContent, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return err
+	}
+
+	log.Println("Writing converted data to openapi.json")
+	writer, err := os.Create(outputPath)
+	if err != nil {
+		return err
+	}
+	defer writer.Close()
+
+	_, err = writer.Write(respContent)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
diff --git a/tools/swaggertoopenapi/src/online_test.go b/tools/swaggertoopenapi/src/online_test.go
new file mode 100644
index 0000000..30e34b3
--- /dev/null
+++ b/tools/swaggertoopenapi/src/online_test.go
@@ -0,0 +1,14 @@
+package src_test
+
+import (
+	"testing"
+
+	"git.jamestombleson.com/jtom38/newsbot-api/tools/swaggerToOpenapi/src"
+)
+
+func TestConvertOnline(t *testing.T) {
+	err := src.ConvertToOpenApi("../../docs/swagger.json", "../../docs/openapi.json", true)
+	if err != nil {
+		t.FailNow()
+	}
+}