Add email template using packr2

Author: gedorinku

Gopkg.lock

@@ -9,3 +9,7 @@
 [[constraint]]
   branch = "master"
   name = "github.com/mwitkow/go-proto-validators"
+
+[[constraint]]
+  name = "github.com/gobuffalo/packr"
+  version = "2.0.3"

Gopkg.toml

@@ -7,11 +7,14 @@ import (
 	"github.com/pkg/errors"
 
 	"github.com/ProgrammingLab/prolab-accounts/app/config"
+	"github.com/ProgrammingLab/prolab-accounts/infra/email"
+	"github.com/ProgrammingLab/prolab-accounts/static"
 )
 
 // ClientComponent is an interface of api clients
 type ClientComponent interface {
 	HydraClient(ctx context.Context) *hydra.CodeGenSDK
+	EmailSender(ctx context.Context) email.Sender
 }
 
 // NewClientComponent returns new client component
@@ -21,8 +24,15 @@ func NewClientComponent(cfg *config.Config) (ClientComponent, error) {
 		return nil, err
 	}
 
+	e, err := static.LoadEmailTemplates()
+	if err != nil {
+		return nil, err
+	}
+
 	return &clientComponentImpl{
+		cfg:      cfg,
 		hydraCli: h,
+		emails:   e,
 	}, nil
 }
 
@@ -38,9 +48,15 @@ func newHydraClient(cfg *config.Config) (*hydra.CodeGenSDK, error) {
 }
 
 type clientComponentImpl struct {
+	cfg      *config.Config
 	hydraCli *hydra.CodeGenSDK
+	emails   *static.EmailAsset
 }
 
 func (c *clientComponentImpl) HydraClient(ctx context.Context) *hydra.CodeGenSDK {
 	return c.hydraCli
 }
+
+func (c *clientComponentImpl) EmailSender(ctx context.Context) email.Sender {
+	return email.NewSender(ctx, c.cfg, c.emails)
+}

app/di/client_component.go

@@ -60,7 +60,7 @@ func Run() error {
 			server.NewPingServiceServer(store),
 			server.NewRoleServiceServer(store),
 			server.NewDepartmentServiceServer(store),
-			server.NewInvitationServiceServer(),
+			server.NewInvitationServiceServer(store, cli),
 		),
 	)
 

app/run.go

@@ -9,6 +9,7 @@ import (
 	"google.golang.org/grpc/status"
 
 	api_pb "github.com/ProgrammingLab/prolab-accounts/api"
+	"github.com/ProgrammingLab/prolab-accounts/app/di"
 )
 
 // InvitationServiceServer is a composite interface of api_pb.InvitationServiceServer and grapiserver.Server.
@@ -18,11 +19,16 @@ type InvitationServiceServer interface {
 }
 
 // NewInvitationServiceServer creates a new InvitationServiceServer instance.
-func NewInvitationServiceServer() InvitationServiceServer {
-	return &invitationServiceServerImpl{}
+func NewInvitationServiceServer(store di.StoreComponent, cli di.ClientComponent) InvitationServiceServer {
+	return &invitationServiceServerImpl{
+		StoreComponent:  store,
+		ClientComponent: cli,
+	}
 }
 
 type invitationServiceServerImpl struct {
+	di.StoreComponent
+	di.ClientComponent
 }
 
 func (s *invitationServiceServerImpl) ListInvitations(ctx context.Context, req *api_pb.ListInvitationsRequest) (*api_pb.ListInvitationsResponse, error) {

app/server/invitations_server.go

@@ -2,3 +2,4 @@ package accounts
 
 //go:generate gex --build
 //go:generate gex sqlboiler psql
+//go:generate packr2

gen.go

@@ -0,0 +1,35 @@
+package email
+
+import (
+	"context"
+
+	"github.com/ProgrammingLab/prolab-accounts/static"
+
+	"github.com/ProgrammingLab/prolab-accounts/app/config"
+	"github.com/ProgrammingLab/prolab-accounts/infra/record"
+)
+
+// Sender represents interface of email sender
+type Sender interface {
+	SendInvitationEmail(email string, req *record.Invitation) error
+}
+
+// NewSender creates new sender
+func NewSender(ctx context.Context, cfg *config.Config, asset *static.EmailAsset) Sender {
+	return &senderImpl{
+		ctx:   ctx,
+		cfg:   cfg,
+		asset: asset,
+	}
+}
+
+type senderImpl struct {
+	ctx   context.Context
+	cfg   *config.Config
+	asset *static.EmailAsset
+}
+
+// SendInvitationEmail sends invitation email
+func (s *senderImpl) SendInvitationEmail(email string, inv *record.Invitation) error {
+	return nil
+}

infra/email/email.go

@@ -0,0 +1,38 @@
+package invitationstore
+
+import (
+	"context"
+	"database/sql"
+
+	"github.com/ProgrammingLab/prolab-accounts/infra/record"
+	"github.com/ProgrammingLab/prolab-accounts/infra/store"
+)
+
+type invitationStoreImpl struct {
+	ctx context.Context
+	db  *sql.DB
+}
+
+// NewInvitationStore returns new invitation store
+func NewInvitationStore(ctx context.Context, db *sql.DB) store.InvitationStore {
+	return &invitationStoreImpl{
+		ctx: ctx,
+		db:  db,
+	}
+}
+
+func (s *invitationStoreImpl) ListInvitations() ([]*record.Invitation, error) {
+	panic("not implemented")
+}
+
+func (s *invitationStoreImpl) GetInvitation(id int64) (*record.Invitation, error) {
+	panic("not implemented")
+}
+
+func (s *invitationStoreImpl) CreateInvitation(email string) (*record.Invitation, error) {
+	panic("not implemented")
+}
+
+func (s *invitationStoreImpl) DeleteInvitation(id int64) error {
+	panic("not implemented")
+}

infra/store/invitation/invitation_store.go

@@ -0,0 +1,13 @@
+package store
+
+import (
+	"github.com/ProgrammingLab/prolab-accounts/infra/record"
+)
+
+// InvitationStore provides invitations
+type InvitationStore interface {
+	ListInvitations() ([]*record.Invitation, error)
+	GetInvitation(id int64) (*record.Invitation, error)
+	CreateInvitation(email string) (*record.Invitation, error)
+	DeleteInvitation(id int64) error
+}