feat: add filtering flags to show command

--title
--description
--permissions
--conditions
--limitations

cmd/show.go

@@ -0,0 +1,94 @@
+package cmd
+
+import (
+	"fmt"
+	"os"
+	"strings"
+
+	t "go.wzykubek.xyz/licensmith/internal/template"
+
+	"github.com/spf13/cobra"
+	"golang.org/x/text/cases"
+	"golang.org/x/text/language"
+)
+
+var printTitle bool
+var printDescription bool
+var printPermissions bool
+var printConditions bool
+var printLimitations bool
+
+func init() {
+	rootCmd.AddCommand(showCmd)
+	showCmd.Flags().BoolVar(&printTitle, "title", false, "Print title")
+	showCmd.Flags().BoolVar(&printDescription, "description", false, "Print description")
+	showCmd.Flags().BoolVar(&printPermissions, "permissions", false, "Print permissions")
+	showCmd.Flags().BoolVar(&printConditions, "conditions", false, "Print conditions")
+	showCmd.Flags().BoolVar(&printLimitations, "limitations", false, "Print limitations")
+}
+
+func parseValueList(arr []string) string {
+	titleCaser := cases.Title(language.English)
+	var o string
+
+	for k, v := range arr {
+		v = strings.ReplaceAll(v, "-", " ")
+		v = titleCaser.String(v)
+		o = o + "- " + v
+		if k < len(arr)-1 {
+			o = o + "\n"
+		}
+	}
+
+	return o
+}
+
+var showCmd = &cobra.Command{
+	Use:   "show [license id]",
+	Short: "Show license details",
+	Args:  cobra.ExactArgs(1),
+	Run: func(cmd *cobra.Command, args []string) {
+		// If none of the flags is passed then print all attributes
+		anyFlagChanged := false
+		for _, flag := range []string{"title", "description", "permissions", "conditions", "limitations"} {
+			if cmd.Flags().Changed(flag) {
+				anyFlagChanged = true
+				break
+			}
+		}
+		if !anyFlagChanged {
+			printTitle, printDescription, printPermissions, printConditions, printLimitations = true, true, true, true, true
+		}
+
+		licenseID := args[0]
+		tmpl, err := t.Parse(licenseID + ".tmpl")
+		if err != nil {
+			fmt.Printf("Error: There is no '%s' license\n", licenseID)
+			os.Exit(2)
+		}
+
+		printable := []string{}
+
+		if printTitle {
+			printable = append(printable, "Title: "+tmpl.Title)
+		}
+
+		if printDescription {
+			printable = append(printable, "Description:\n"+tmpl.Description)
+		}
+
+		if printPermissions {
+			printable = append(printable, "Permissions:\n"+parseValueList(tmpl.Permissions))
+		}
+
+		if printConditions {
+			printable = append(printable, "Conditions:\n"+parseValueList(tmpl.Conditions))
+		}
+
+		if printLimitations {
+			printable = append(printable, "Limitations:\n"+parseValueList(tmpl.Limitations))
+		}
+
+		fmt.Println(strings.Join(printable, "\n\n"))
+	},
+}

go.mod

@@ -4,6 +4,7 @@ go 1.23.4
 
 require (
 	github.com/spf13/cobra v1.8.1
+	golang.org/x/text v0.21.0
 	gopkg.in/yaml.v3 v3.0.1
 )
 

go.sum

@@ -6,6 +6,8 @@ github.com/spf13/cobra v1.8.1 h1:e5/vxKd/rZsfSJMUX1agtjeTDf+qv1/JdBF8gg5k9ZM=
 github.com/spf13/cobra v1.8.1/go.mod h1:wHxEcudfqmLYa8iTfL+OuZPbBZkmvliBWKIezN3kD9Y=
 github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
 github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
+golang.org/x/text v0.21.0 h1:zyQAAkrwaneQ066sspRyJaG9VNi/YJ1NfzcGB3hZ/qo=
+golang.org/x/text v0.21.0/go.mod h1:4IBbMaMmOPCJ8SecivzSH54+73PCFmPWxNTLm+vZkEQ=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=