Add model to service (#1819)

service/grpc/grpc.go

@@ -3,6 +3,7 @@ package grpc
 import (
 	"github.com/micro/go-micro/v2/client"
 	gclient "github.com/micro/go-micro/v2/client/grpc"
+	"github.com/micro/go-micro/v2/model"
 	"github.com/micro/go-micro/v2/server"
 	gserver "github.com/micro/go-micro/v2/server/grpc"
 	"github.com/micro/go-micro/v2/service"
@@ -46,6 +47,10 @@ func (s *grpcService) Server() server.Server {
 	return s.opts.Server
 }
 
+func (s *grpcService) Model() model.Model {
+	return s.opts.Model
+}
+
 func (s *grpcService) String() string {
 	return "grpc"
 }

service/mucp/mucp.go

@@ -4,6 +4,7 @@ package mucp
 import (
 	"github.com/micro/go-micro/v2/client"
 	cmucp "github.com/micro/go-micro/v2/client/mucp"
+	"github.com/micro/go-micro/v2/model"
 	"github.com/micro/go-micro/v2/server"
 	smucp "github.com/micro/go-micro/v2/server/mucp"
 	"github.com/micro/go-micro/v2/service"
@@ -47,6 +48,10 @@ func (s *mucpService) Server() server.Server {
 	return s.opts.Server
 }
 
+func (s *mucpService) Model() model.Model {
+	return s.opts.Model
+}
+
 func (s *mucpService) String() string {
 	return "mucp"
 }

service/options.go

@@ -6,6 +6,7 @@ import (
 
 	"github.com/micro/go-micro/v2/broker"
 	"github.com/micro/go-micro/v2/client"
+	"github.com/micro/go-micro/v2/model"
 	"github.com/micro/go-micro/v2/registry"
 	"github.com/micro/go-micro/v2/server"
 	"github.com/micro/go-micro/v2/transport"
@@ -15,6 +16,7 @@ type Options struct {
 	Broker    broker.Broker
 	Client    client.Client
 	Server    server.Server
+	Model     model.Model
 	Registry  registry.Registry
 	Transport transport.Transport
 
@@ -72,12 +74,20 @@ func Context(ctx context.Context) Option {
 	}
 }
 
+// Server sets the server for handling requests
 func Server(s server.Server) Option {
 	return func(o *Options) {
 		o.Server = s
 	}
 }
 
+// Model sets the model for data access
+func Model(m model.Model) Option {
+	return func(o *Options) {
+		o.Model = m
+	}
+}
+
 // Registry sets the registry for the service
 // and the underlying components
 func Registry(r registry.Registry) Option {

service/service.go

@@ -3,6 +3,7 @@ package service
 
 import (
 	"github.com/micro/go-micro/v2/client"
+	"github.com/micro/go-micro/v2/model"
 	"github.com/micro/go-micro/v2/server"
 )
 
@@ -18,6 +19,8 @@ type Service interface {
 	Client() client.Client
 	// Server is for handling requests and events
 	Server() server.Server
+	// Model is used to access data
+	Model() model.Model
 	// Run the service
 	Run() error
 	// The service implementation