Add “paperboyInfo” method to API

cmd/root.go

@@ -25,7 +25,8 @@ to quickly create a Cobra application.`,
 
 // Execute adds all child commands to the root command sets flags appropriately.
 // This is called by main.main(). It only needs to happen once to the rootCmd.
-func Execute() {
+func Execute(build mail.BuildInfo) {
+	mail.Config.Build = build
 	RootCmd.AddCommand(newCmd)
 	RootCmd.AddCommand(sendCmd)
 	RootCmd.AddCommand(serverCmd)
@@ -90,7 +91,7 @@ func loadConfig() error {
 	if err := viperConfig.ReadInConfig(); err != nil {
 		return err
 	}
-	return viperConfig.Unmarshal(&mail.Config)
+	return viperConfig.Unmarshal(&mail.Config.ConfigFile)
 }
 
 // Error helpers

cmd/version.go

@@ -1,20 +1,17 @@
 package cmd
 
 import (
-	"fmt"
+	"github.com/rykov/paperboy/mail"
 	"github.com/spf13/cobra"
-	"runtime"
+
+	"fmt"
 )
 
 var versionCmd = &cobra.Command{
 	Use:   "version",
 	Short: "Print the version number of Paperboy",
 	Long:  `A longer description...`,
-}
-
-func SetVersion(ver, date string) {
-	versionStr := fmt.Sprintf("v%s %s/%s (%s)", ver, runtime.GOOS, runtime.GOARCH, date)
-	versionCmd.Run = func(cmd *cobra.Command, args []string) {
-		fmt.Println("Paperboy Email Engine " + versionStr)
-	}
+	Run: func(cmd *cobra.Command, args []string) {
+		fmt.Printf("Paperboy Email Engine %s\n", mail.Config.Build)
+	},
 }

mail/config.go

@@ -1,10 +1,23 @@
 package mail
 
+import (
+	"fmt"
+	"runtime"
+)
+
 // Initial blank config
 var Config = config{}
 
-// See https://www.paperboy.email/docs/configuration/
 type config struct {
+	// Version/build
+	Build BuildInfo
+
+	// From config.toml
+	ConfigFile
+}
+
+// See https://www.paperboy.email/docs/configuration/
+type ConfigFile struct {
 	// General
 	Theme string
 	From  string
@@ -32,3 +45,13 @@ type smtpConfig struct {
 	User string
 	Pass string
 }
+
+// Initial blank config
+type BuildInfo struct {
+	Version   string
+	BuildDate string
+}
+
+func (i BuildInfo) String() string {
+	return fmt.Sprintf("v%s %s/%s (%s)", i.Version, runtime.GOOS, runtime.GOARCH, i.BuildDate)
+}

main.go

@@ -15,6 +15,7 @@
 package main
 
 import "github.com/rykov/paperboy/cmd"
+import "github.com/rykov/paperboy/mail"
 
 // Populated by goreleaser
 var (
@@ -24,6 +25,5 @@ var (
 
 // Commands managed by Cobra
 func main() {
-	cmd.SetVersion(version, date)
-	cmd.Execute()
+	cmd.Execute(mail.BuildInfo{version, date})
 }

server/resolver.go

@@ -78,3 +78,21 @@ func (e *renderedEmail) HTML() *string {
 	out := string(e.msg.HTML)
 	return &out
 }
+
+// ===== Build/Version information =====
+
+func (r *Resolver) PaperboyInfo(ctx context.Context) *paperboyInfo {
+	return &paperboyInfo{mail.Config.Build}
+}
+
+type paperboyInfo struct {
+	b mail.BuildInfo
+}
+
+func (i *paperboyInfo) Version() string {
+	return i.b.Version
+}
+
+func (i *paperboyInfo) BuildDate() string {
+	return i.b.BuildDate
+}

server/schema.go

@@ -30,6 +30,7 @@ const schemaText = `
   # The Query type, represents all of the entry points
   type Query {
     renderOne(content: String!, recipient: String!): RenderedEmail
+    paperboyInfo: PaperboyInfo!
   }
 
   # A single rendered email information
@@ -40,6 +41,12 @@ const schemaText = `
     # html: HTML
   }
 
+  # Build/version information
+  type PaperboyInfo {
+    version: String!
+    buildDate: String!
+  }
+
   # HTML (same as string)
   scalar HTML
 `

server/schema_test.go

@@ -12,30 +12,22 @@ import (
 	"os"
 	"strings"
 	"testing"
+	"time"
 )
 
 func TestMain(m *testing.M) {
 	mail.SetFs(afero.NewMemMapFs())
 	os.Exit(m.Run())
 }
 
-func TestSchemaBasicQuery(t *testing.T) {
-	var fs = mail.AppFs
-
-	afero.WriteFile(fs, "config.toml", []byte(""), 0644)
-	afero.WriteFile(fs, fs.ContentPath("c1.md"), []byte("# Hello"), 0644)
-	afero.WriteFile(fs, fs.ListPath("r1.yaml"), []byte(`---
-- email: ex@example.org
-`), 0644)
-
-	schema := graphql.MustParseSchema(schemaText, &Resolver{})
-	response := schema.Exec(context.TODO(), `{
+func TestRenderOneQuery(t *testing.T) {
+	response := issueGraphQLQuery(`{
 		renderOne(content: "c1", recipient: "r1#0") {
 			rawMessage
 			text
 			html
 		}
-	}`, "", map[string]interface{}{})
+	}`)
 
 	if errs := response.Errors; len(errs) > 0 {
 		t.Fatalf("GraphQL errors %+v", errs)
@@ -76,3 +68,52 @@ func TestSchemaBasicQuery(t *testing.T) {
 		t.Errorf("Invalid RawMessage Text: %s", s)
 	}
 }
+
+func TestPaperboyInfoQuery(t *testing.T) {
+	expected := &mail.Config.Build
+	expected.BuildDate = time.Now().String()
+	expected.Version = "1.2.3"
+
+	response := issueGraphQLQuery(`{
+		paperboyInfo {
+			version
+			buildDate
+		}
+	}`)
+
+	if errs := response.Errors; len(errs) > 0 {
+		t.Fatalf("GraphQL errors %+v", errs)
+	}
+
+	resp := struct {
+		PaperboyInfo struct {
+			Version   string
+			BuildDate string
+		}
+	}{}
+
+	if err := json.Unmarshal(response.Data, &resp); err != nil {
+		t.Fatalf("JSON unmarshal error: %s", err)
+	}
+
+	actual := resp.PaperboyInfo
+	if actual.Version != expected.Version {
+		t.Errorf("Invalid version: %s", actual.Version)
+	}
+	if actual.BuildDate != expected.BuildDate {
+		t.Errorf("Invalid buildDate: %s", actual.BuildDate)
+	}
+}
+
+func issueGraphQLQuery(query string) *graphql.Response {
+	var fs = mail.AppFs
+
+	afero.WriteFile(fs, "config.toml", []byte(""), 0644)
+	afero.WriteFile(fs, fs.ContentPath("c1.md"), []byte("# Hello"), 0644)
+	afero.WriteFile(fs, fs.ListPath("r1.yaml"), []byte(`---
+- email: ex@example.org
+`), 0644)
+
+	schema := graphql.MustParseSchema(schemaText, &Resolver{})
+	return schema.Exec(context.TODO(), query, "", map[string]interface{}{})
+}