✨ Separate formatters in config

config/default.go

@@ -27,8 +27,14 @@ dotFolder = true
 [output.stdout]
 enabled = true
 [output.stdout.config]
-# Whether to output as JSON. Maybe useful to pipe elsewhere.
-json = false
+# Formatter to use when outputting to stdout
+formatter = "plain"
+
+[formatters]
+
+[formatters.json]
+# Set to true to pretty print JSON output
+pretty_print = false
 
 `
 

config/load.go

@@ -32,6 +32,7 @@ func Load() (Config, error) {
 	}
 	env.Parse(&c)
 	c.Outputs["stdout"] = loadStdout(c.Outputs["stdout"])
+	c.Formatters["json"] = loadJsonFormat(c.Formatters["json"])
 
 	l := ""
 	for k, v := range Overrides {
@@ -77,3 +78,21 @@ func (oo Outputs) Stdout() (s Stdout, enabled bool) {
 
 	return
 }
+
+func loadJsonFormat(c map[string]any) map[string]any {
+	jf := JsonFormat{}
+	mapst.Decode(c, &jf)
+	env.Parse(&jf)
+	mapst.Decode(jf, &c)
+	return c
+}
+
+func (ff Formatters) Json() (jf JsonFormat) {
+	o, ok := ff["json"]
+	if !ok {
+		return
+	}
+
+	mapst.Decode(o, &jf)
+	return
+}

config/load_test.go

@@ -65,12 +65,25 @@ func TestStdoutMissing(t *testing.T) {
 }
 
 func TestStdoutLoad(t *testing.T) {
-	os.Setenv("LOG_STDOUT_JSON", "true")
-	defer os.Unsetenv("LOG_STDOUT_JSON")
+	os.Setenv("LOG_STDOUT_FORMATTER", "json")
+	defer os.Unsetenv("LOG_STDOUT_FORMATTER")
 	os.Setenv("LOG_STDOUT_ENABLED", "true")
 	defer os.Unsetenv("LOG_STDOUT_ENABLED")
 	c, _ := Load()
 	std, en := c.Outputs.Stdout()
 	assert.True(t, en)
-	assert.True(t, std.Json)
+	assert.Equal(t, "json", std.Formatter)
+}
+
+func TestFormatJson(t *testing.T) {
+	ff := Formatters{
+		"json": map[string]any{"pretty_print": true},
+	}
+
+	js := ff.Json()
+	assert.True(t, js.PrettyPrint)
+
+	ff = Formatters{}
+	js = ff.Json()
+	assert.False(t, js.PrettyPrint)
 }

config/types.go

@@ -1,8 +1,9 @@
 package config
 
 type Config struct {
-	Input   Input
-	Outputs Outputs `toml:"output"`
+	Input      Input
+	Outputs    Outputs `toml:"output"`
+	Formatters Formatters
 }
 
 type Input struct {
@@ -20,9 +21,15 @@ type Output struct {
 }
 
 type Stdout struct {
-	Json bool `env:"LOG_STDOUT_JSON" mapstructure:"json"`
+	Formatter string `env:"LOG_STDOUT_FORMATTER" mapstructure:"formatter"`
 }
 
 type stdoutEnabled struct {
 	Enabled bool `env:"LOG_STDOUT_ENABLED"`
 }
+
+type Formatters map[string]map[string]any
+
+type JsonFormat struct {
+	PrettyPrint bool `env:"LOG_JSON_PRETTY_PRINT" mapstructure:"pretty_print"`
+}

formatters/new.go

@@ -6,7 +6,7 @@ import (
 	"codeberg.org/danjones000/my-log/config"
 )
 
-type formatMaker func(oo config.Outputs) (Formatter, error)
+type formatMaker func(config.Formatters) (Formatter, error)
 
 var formatterMap = map[string]formatMaker{
 	"plain": newPlain,
@@ -19,7 +19,7 @@ func New(kind string) (f Formatter, err error) {
 	}
 
 	if make, ok := formatterMap[kind]; ok {
-		return make(conf.Outputs)
+		return make(conf.Formatters)
 	}
 
 	return nil, errors.New("unimplemented")

formatters/plain.go

@@ -8,7 +8,7 @@ import (
 	"codeberg.org/danjones000/my-log/tools"
 )
 
-func newPlain(oo config.Outputs) (Formatter, error) {
+func newPlain(ff config.Formatters) (Formatter, error) {
 	return &PlainText{}, nil
 }