chore: Refactor peer service to return structured responses

Added a `PeerResponse` model and updated `GetAvailablePeer` to return this structured response. Adjusted related logic and patterns, including file matching regex, to improve consistency. This ensures better encapsulation and more precise data handling across the service.

Author: eliasmeireles

pkg/domain/service/peer/get_peer.go

@@ -2,7 +2,7 @@ package peer
 
 import "github.com/softwareplace/wireguard-api/pkg/models"
 
-func (s *serviceImpl) GetAvailablePeer() (response *models.Peer, error error, notfound bool) {
+func (s *serviceImpl) GetAvailablePeer() (response *models.PeerResponse, error error, notfound bool) {
 	peer, err := s.repository().GetAvailablePeer()
 
 	if err != nil {
@@ -11,5 +11,5 @@ func (s *serviceImpl) GetAvailablePeer() (response *models.Peer, error error, no
 		}
 		return nil, err, false
 	}
-	return peer, nil, false
+	return peer.ToResponse(), nil, false
 }

pkg/domain/service/peer/loader.go

@@ -15,7 +15,7 @@ func (s *serviceImpl) Load() {
 	peerResourcePath := envUtils.AppEnv().PeerResourcePath
 
 	// Define the pattern for matching file names
-	pattern := regexp.MustCompile(`.*peer.*\.conf.yaml`)
+	pattern := regexp.MustCompile(`.*peer.*\.conf`)
 
 	// List all matching files
 	files, err := fileUtils.LoadMatchingFiles(peerResourcePath, pattern)

pkg/domain/service/peer/service.go

@@ -8,7 +8,7 @@ import (
 type Service interface {
 	repository() peer.Repository
 	Load()
-	GetAvailablePeer() (response *models.Peer, error error, notfound bool)
+	GetAvailablePeer() (response *models.PeerResponse, error error, notfound bool)
 }
 
 type serviceImpl struct {

pkg/models/peer.go

@@ -28,3 +28,15 @@ type Peer struct {
 	CreatedAt     string             `json:"created_at"`
 	UpdatedAt     string             `json:"updated_at"`
 }
+
+type PeerResponse struct {
+	PeerData string `json:"peerData"`
+	FileName string `json:"fileName"`
+}
+
+func (p *Peer) ToResponse() *PeerResponse {
+	return &PeerResponse{
+		PeerData: p.PeerData,
+		FileName: p.FileName,
+	}
+}