fix(lwcomponent): better JSON handling components

lwcomponent/component.go

@@ -239,7 +239,7 @@ var (
 type Artifact struct {
 	OS        string `json:"os"`
 	ARCH      string `json:"arch"`
-	URL       string `json:"url"`
+	URL       string `json:"url,omitempty"`
 	Signature string `json:"signature"`
 	//Size ?
 }
@@ -255,12 +255,45 @@ type Component struct {
 	Name          string         `json:"name"`
 	Description   string         `json:"description"`
 	Type          Type           `json:"type"`
-	LatestVersion semver.Version `json:"version"`
+	LatestVersion semver.Version `json:"-"`
 	Artifacts     []Artifact     `json:"artifacts"`
 	Breadcrumbs   Breadcrumbs    `json:"breadcrumbs,omitempty"`
 
 	// @dhazekamp command_name required when CLICommand is true?
-	CommandName string `json:"command_name"`
+	CommandName string `json:"command_name,omitempty"`
+}
+
+func (c *Component) UnmarshalJSON(data []byte) error {
+	type ComponentAlias Component
+	type T struct {
+		*ComponentAlias     `json:",inline"`
+		LatestVersionString string `json:"version"`
+	}
+
+	temp := &T{ComponentAlias: (*ComponentAlias)(c)}
+	err := json.Unmarshal(data, temp)
+	if err != nil {
+		return err
+	}
+
+	latestVersion, err := semver.NewVersion(temp.LatestVersionString)
+	if err != nil {
+		return err
+	}
+	c.LatestVersion = *latestVersion
+
+	return nil
+}
+
+func (c Component) MarshalJSON() ([]byte, error) {
+	type ComponentAlias Component
+	type T struct {
+		ComponentAlias      `json:",inline"`
+		LatestVersionString string `json:"version"`
+	}
+
+	obj := &T{ComponentAlias: (ComponentAlias)(c), LatestVersionString: c.LatestVersion.String()}
+	return json.Marshal(obj)
 }
 
 // RootPath returns the component's root path ("Dir()/{name}")

lwcomponent/component_test.go

@@ -21,6 +21,7 @@ package lwcomponent_test
 import (
 	_ "embed"
 	"encoding/base64"
+	"encoding/json"
 	"fmt"
 	"io"
 	"net/http"
@@ -402,3 +403,43 @@ func TestRunAndOutput(t *testing.T) {
 		})
 	}
 }
+
+func TestJSON(t *testing.T) {
+	mockComponentString := `{
+    "name": "lacework-mock-component3",
+    "description": "This is a description",
+    "type": "CLI_COMMAND",
+    "artifacts": [
+        {
+            "os": "darwin",
+            "arch": "amd64",
+            "signature": "abcdef0123456789"
+        }
+    ],
+    "breadcrumbs": {
+        "installationMessage": "Install me",
+        "updateMessage": "Update me"
+    },
+    "version": "0.1.2"
+}`
+
+	var c lwcomponent.Component
+	err := json.Unmarshal([]byte(mockComponentString), &c)
+	if err != nil {
+		assert.FailNow(t, err.Error())
+	}
+
+	cBytes, err := json.MarshalIndent(c, "", "    ")
+	if err != nil {
+		assert.FailNow(t, err.Error())
+	}
+	fmt.Print(string(cBytes))
+	assert.Equal(t, mockComponentString, string(cBytes))
+
+	cBytes, err = json.MarshalIndent(&c, "", "    ")
+	if err != nil {
+		assert.FailNow(t, err.Error())
+	}
+	fmt.Print(string(cBytes))
+	assert.Equal(t, mockComponentString, string(cBytes))
+}