MVP

swagger/swagger.go

@@ -0,0 +1,73 @@
+package swagger
+
+import (
+	"embed"
+	_ "embed"
+	"github.com/gin-gonic/gin"
+	"gogs.mikescher.com/BlackForestBytes/goext/ginext"
+	"net/http"
+	"strings"
+)
+
+//go:embed *.html
+//go:embed *.json
+//go:embed *.yaml
+//go:embed *.js
+//go:embed *.css
+//go:embed themes/*
+var assets embed.FS
+
+func getAsset(fn string) ([]byte, string, bool) {
+	data, err := assets.ReadFile(fn)
+	if err != nil {
+		return nil, "", false
+	}
+
+	mime := "text/plain"
+
+	lowerFN := strings.ToLower(fn)
+	if strings.HasSuffix(lowerFN, ".html") || strings.HasSuffix(lowerFN, ".htm") {
+		mime = "text/html"
+	} else if strings.HasSuffix(lowerFN, ".css") {
+		mime = "text/css"
+	} else if strings.HasSuffix(lowerFN, ".js") {
+		mime = "text/javascript"
+	} else if strings.HasSuffix(lowerFN, ".json") {
+		mime = "application/json"
+	} else if strings.HasSuffix(lowerFN, ".jpeg") || strings.HasSuffix(lowerFN, ".jpg") {
+		mime = "image/jpeg"
+	} else if strings.HasSuffix(lowerFN, ".png") {
+		mime = "image/png"
+	} else if strings.HasSuffix(lowerFN, ".svg") {
+		mime = "image/svg+xml"
+	}
+
+	return data, mime, true
+}
+
+func Handle(pctx ginext.PreContext) ginext.HTTPResponse {
+	type uri struct {
+		Filename string `uri:"sub"`
+	}
+
+	var u uri
+
+	ctx, _, errResp := pctx.URI(&u).Start()
+	if errResp != nil {
+		return *errResp
+	}
+	defer ctx.Cancel()
+
+	u.Filename = strings.TrimLeft(u.Filename, "/")
+
+	if u.Filename == "" {
+		index, _, _ := getAsset("index.html")
+		return ginext.Data(http.StatusOK, "text/html", index)
+	}
+
+	if data, mime, ok := getAsset(u.Filename); ok {
+		return ginext.Data(http.StatusOK, mime, data)
+	}
+
+	return ginext.JSON(http.StatusNotFound, gin.H{"error": "AssetNotFound", "filename": u.Filename})
+}