refactor: change structure project

hub/internal/service/hub_service/hub.go

@@ -0,0 +1,70 @@
+package hub_service
+
+import (
+	"context"
+	"database/sql"
+	"errors"
+	"fmt"
+
+	domainHub "github.com/lorsanstand/HomeOps-Hub/hub/internal/domain"
+	"github.com/lorsanstand/HomeOps-Hub/hub/internal/utils/hasher"
+	"github.com/lorsanstand/HomeOps-Hub/shared/domain"
+	"github.com/rs/zerolog"
+)
+
+type Store interface {
+	NewAgent(ctx context.Context, agent domainHub.CreateAgentModel) error
+	GetAgentByAgentID(ctx context.Context, AgentID string) (domainHub.AgentModel, error)
+	UpdateAgentByID(ctx context.Context, ID int, updateAgent domainHub.CreateAgentModel) error
+}
+
+type HubService struct {
+	store Store
+	log   zerolog.Logger
+}
+
+func NewHubService(store Store, logger zerolog.Logger) *HubService {
+	return &HubService{log: logger, store: store}
+}
+
+func (h *HubService) RegisterAgent(ctx context.Context, data domain.RegisterAgentRequest) (domain.RegisterAgentResponse, error) {
+	h.log.Debug().Str("agentId", data.AgentId).Str("agentName", data.AgentName).Msg("started registering agent")
+	agent, err := h.store.GetAgentByAgentID(ctx, data.AgentId)
+	if err != nil && !errors.Is(err, sql.ErrNoRows) {
+		h.log.Error().Err(err).Str("agentId", data.AgentId).Msg("failed to get agent from database")
+		return domain.RegisterAgentResponse{}, fmt.Errorf("failed select agent to db: %w", err)
+	}
+
+	if data.AgentId != "" && !errors.Is(err, sql.ErrNoRows) {
+		h.log.Debug().Str("agentId", agent.AgentID).Str("agentName", data.AgentName).Msg("agent exists, updating")
+
+		data.AgentId = agent.AgentID
+
+		agentStore := toCreateAgentModel(data)
+
+		if err := h.store.UpdateAgentByID(ctx, agent.ID, agentStore); err != nil {
+			h.log.Error().Err(err).Str("agentId", agent.AgentID).Msg("failed to update agent in database")
+			return domain.RegisterAgentResponse{}, err
+		}
+		h.log.Info().Str("agentId", agent.AgentID).Msg("agent updated successfully")
+		return domain.RegisterAgentResponse{AgentID: agent.AgentID, Heartbeat: 5}, nil
+	}
+
+	AgentID, err := hasher.MakeID(data.Host, data.AgentName)
+	if err != nil {
+		h.log.Error().Err(err).Str("agentName", data.AgentName).Str("hostname", data.Host.Hostname).Msg("failed to generate agent id")
+		return domain.RegisterAgentResponse{}, err
+	}
+
+	data.AgentId = AgentID
+
+	agentStore := toCreateAgentModel(data)
+
+	if err := h.store.NewAgent(ctx, agentStore); err != nil {
+		h.log.Error().Err(err).Str("agentId", AgentID).Str("agentName", data.AgentName).Msg("failed to create new agent in database")
+		return domain.RegisterAgentResponse{}, err
+	}
+
+	h.log.Info().Str("agentId", AgentID).Str("agentName", data.AgentName).Str("hostname", data.Host.Hostname).Msg("agent registered successfully")
+	return domain.RegisterAgentResponse{AgentID: AgentID, Heartbeat: 5}, nil
+}