Code re-organization

commands/generate.go

@@ -0,0 +1,79 @@
+package commands
+
+import (
+	"fmt"
+	"github.com/siteworxpro/img-proxy-url-generator/config"
+	"github.com/siteworxpro/img-proxy-url-generator/generator"
+	"github.com/siteworxpro/img-proxy-url-generator/printer"
+	"github.com/urfave/cli/v2"
+)
+
+func GenerateCommand() *cli.Command {
+	return &cli.Command{
+		Name:   "generate",
+		Usage:  "Generate an image from a URL",
+		Action: runGenerate,
+		Flags: []cli.Flag{
+			&cli.StringFlag{
+				Name:     "image",
+				Aliases:  []string{"i"},
+				Required: true,
+			},
+			&cli.StringFlag{
+				Name:    "format",
+				Aliases: []string{"f"},
+				Usage:   "Convert the image to the specified format",
+			},
+			&cli.StringSliceFlag{
+				Name:    "params",
+				Aliases: []string{"p"},
+				Usage:   "Processing options to be passed to the generator ref: https://docs.imgproxy.net/usage/processing",
+			},
+		},
+	}
+}
+
+func runGenerate(c *cli.Context) error {
+	p := printer.NewPrinter()
+
+	_, err := config.NewConfig(c.String("config"))
+	if err != nil {
+		return err
+	}
+
+	url, err := signURL(c.String("image"), c.StringSlice("params"), c.String("format"))
+	if err != nil {
+		return err
+	}
+
+	p.LogInfo("Url Generated...")
+
+	println(url)
+
+	return nil
+}
+
+func signURL(file string, params []string, formatS string) (string, error) {
+	cfg := config.GetConfig()
+	if cfg == nil {
+		return "", fmt.Errorf("config not loaded")
+	}
+
+	ig, err := generator.NewGenerator(cfg)
+	if err != nil {
+		return "", err
+	}
+
+	format, err := ig.StringToFormat(formatS)
+	if err != nil {
+		return "", err
+	}
+
+	url, err := ig.GenerateUrl(file, params, format)
+
+	if err != nil {
+		return "", err
+	}
+
+	return url, nil
+}