Config to string, JSON and YAML methods added and updated print methods to use new methods

internal/config/config.go

@@ -17,12 +17,15 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
 package config
 
 import (
+	"encoding/json"
 	"errors"
+	"fmt"
 	"maps"
 	"reflect"
 	"strings"
 
 	"github.com/spf13/viper"
+	"go.yaml.in/yaml/v3"
 )
 
 const EnvPrefix string = "JOBSEARCH"
@@ -112,3 +115,27 @@ func LoadToViper(conf JobSearchConfig) {
 		viper.SetDefault(key, flatMap[key])
 	}
 }
+
+// Converts configuration to a string in flat dotted format
+func (conf JobSearchConfig) String() string {
+	var sb strings.Builder
+	for k, v := range conf.Flatten() {
+		typ, _ := conf.TypeOf(k)
+		sb.WriteString(fmt.Sprint(k, " = ", v, " <", typ, ">"))
+	}
+	return sb.String()
+}
+
+// Converts configuration to JSON
+func (conf JobSearchConfig) JSON() string {
+	confMap := conf.Map()
+	jbytes, _ := json.MarshalIndent(confMap, "", "  ")
+	return string(jbytes)
+}
+
+// Converts configuration to YAML
+func (conf JobSearchConfig) YAML() string {
+	confMap := conf.Map()
+	ybytes, _ := yaml.Marshal(confMap)
+	return string(ybytes)
+}

internal/config/print.go

@@ -17,33 +17,23 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
 package config
 
 import (
-	"encoding/json"
 	"fmt"
 	"log/slog"
-
-	"go.yaml.in/yaml/v3"
 )
 
 // Prints configuration to stdout in flat dotted format
 func (conf JobSearchConfig) PrintTerminal() {
-	for k, v := range conf.Flatten() {
-		typ, _ := conf.TypeOf(k)
-		fmt.Print(k, " = ", v, " <", typ, ">\n")
-	}
+	fmt.Print(conf.String() + "\n")
 }
 
 // Prints configuration to stdout as JSON
 func (conf JobSearchConfig) PrintJson() {
-	confMap := conf.Map()
-	jbytes, _ := json.MarshalIndent(confMap, "", "  ")
-	fmt.Print(string(jbytes) + "\n")
+	fmt.Print(conf.JSON() + "\n")
 }
 
 // Prints configuration to stdout as YAML
 func (conf JobSearchConfig) PrintYaml() {
-	confMap := conf.Map()
-	jbytes, _ := yaml.Marshal(confMap)
-	fmt.Print(string(jbytes) + "\n")
+	fmt.Print(conf.YAML() + "\n")
 }
 
 // Prints configuration to logrus log at debug, info (default) or error level