rename scope to selector (#257)

* rename scope to selector

per design changes, source is being renamed to selector
for better readability and clarity.

src/pkg/selectors/exchange.go

@@ -1,35 +1,35 @@
-package source
+package selectors
 
 import (
 	"strconv"
 )
 
-// ExchangeSource provides an api for scoping
+// Exchange provides an api for scoping
 // data in the Exchange service.
-type ExchangeSource struct {
-	Source
+type Exchange struct {
+	Selector
 }
 
-// ToExchange transforms the generic source into an ExchangeSource.
-// Errors if the service defined by the source is not ServiceExchange.
-func (s Source) ToExchange() (*ExchangeSource, error) {
+// ToExchange transforms the generic selector into an Exchange.
+// Errors if the service defined by the selector is not ServiceExchange.
+func (s Selector) ToExchange() (*Exchange, error) {
 	if s.service != ServiceExchange {
 		return nil, badCastErr(ServiceExchange, s.service)
 	}
-	src := ExchangeSource{s}
+	src := Exchange{s}
 	return &src, nil
 }
 
-// NewExchange produces a new Source with the service set to ServiceExchange.
-func NewExchange(tenantID string) *ExchangeSource {
-	src := ExchangeSource{
-		newSource(tenantID, ServiceExchange),
+// NewExchange produces a new Selector with the service set to ServiceExchange.
+func NewExchange(tenantID string) *Exchange {
+	src := Exchange{
+		newSelector(tenantID, ServiceExchange),
 	}
 	return &src
 }
 
-// Scopes retrieves the list of exchangeScopes in the source.
-func (s *ExchangeSource) Scopes() []exchangeScope {
+// Scopes retrieves the list of exchangeScopes in the selector.
+func (s *Exchange) Scopes() []exchangeScope {
 	scopes := []exchangeScope{}
 	for _, v := range s.scopes {
 		scopes = append(scopes, exchangeScope(v))
@@ -38,31 +38,31 @@ func (s *ExchangeSource) Scopes() []exchangeScope {
 }
 
 // the following are called by the client to specify the constraints
-// each call appends one or more scopes to the source.
+// each call appends one or more scopes to the selector.
 
 // Users selects the specified users.  All of their data is included.
-func (s *ExchangeSource) Users(us ...string) {
+func (s *Exchange) Users(us ...string) {
 	// todo
 }
 
 // Contacts selects the specified contacts owned by the user.
-func (s *ExchangeSource) Contacts(u string, vs ...string) {
+func (s *Exchange) Contacts(u string, vs ...string) {
 	// todo
 }
 
 // Events selects the specified events owned by the user.
-func (s *ExchangeSource) Events(u string, vs ...string) {
+func (s *Exchange) Events(u string, vs ...string) {
 	// todo
 }
 
 // MailFolders selects the specified mail folders owned by the user.
-func (s *ExchangeSource) MailFolders(u string, vs ...string) {
+func (s *Exchange) MailFolders(u string, vs ...string) {
 	// todo
 }
 
 // MailMessages selects the specified mail messages within the given folder,
 // owned by the user.
-func (s *ExchangeSource) MailMessages(u, f string, vs ...string) {
+func (s *Exchange) MailMessages(u, f string, vs ...string) {
 	// todo
 }
 

src/pkg/selectors/exchange_test.go

@@ -1,4 +1,4 @@
-package source_test
+package selectors_test
 
 import (
 	"testing"
@@ -6,7 +6,7 @@ import (
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/suite"
 
-	"github.com/alcionai/corso/pkg/source"
+	"github.com/alcionai/corso/pkg/selectors"
 )
 
 type ExchangeSourceSuite struct {
@@ -19,8 +19,8 @@ func TestExchangeSourceSuite(t *testing.T) {
 
 func (suite *ExchangeSourceSuite) TestNewExchangeSource() {
 	t := suite.T()
-	es := source.NewExchange("tid")
+	es := selectors.NewExchange("tid")
 	assert.Equal(t, es.TenantID, "tid")
-	assert.Equal(t, es.Service(), source.ServiceExchange)
+	assert.Equal(t, es.Service(), selectors.ServiceExchange)
 	assert.NotZero(t, es.Scopes())
 }

src/pkg/selectors/selectors.go

@@ -1,4 +1,4 @@
-package source
+package selectors
 
 import (
 	"strconv"
@@ -14,7 +14,7 @@ const (
 	ServiceExchange                // Exchange
 )
 
-var ErrorBadSourceCast = errors.New("wrong source service type")
+var ErrorBadSelectorCast = errors.New("wrong selector service type")
 
 const (
 	scopeKeyGranularity = "granularity"
@@ -27,30 +27,30 @@ const (
 	All = "*"
 )
 
-// The core source.  Has no api for setting or retrieving data.
-// Is only used to pass along more specific source instances.
-type Source struct {
+// The core selector.  Has no api for setting or retrieving data.
+// Is only used to pass along more specific selector instances.
+type Selector struct {
 	TenantID string              // The tenant making the request.
 	service  service             // The service scope of the data.  Exchange, Teams, Sharepoint, etc.
 	scopes   []map[string]string // A slice of scopes.  Expected to get cast to fooScope within each service handler.
 }
 
-// helper for specific source instance constructors.
-func newSource(tenantID string, s service) Source {
-	return Source{
+// helper for specific selector instance constructors.
+func newSelector(tenantID string, s service) Selector {
+	return Selector{
 		TenantID: tenantID,
 		service:  s,
 		scopes:   []map[string]string{},
 	}
 }
 
-// Service return the service enum for the source.
-func (s Source) Service() service {
+// Service return the service enum for the selector.
+func (s Selector) Service() service {
 	return s.service
 }
 
 func badCastErr(cast, is service) error {
-	return errors.Wrapf(ErrorBadSourceCast, "%s service is not %s", cast, is)
+	return errors.Wrapf(ErrorBadSelectorCast, "%s service is not %s", cast, is)
 }
 
 type scopeGranularity int
@@ -68,8 +68,8 @@ func (g scopeGranularity) String() string {
 	return strconv.Itoa(int(g))
 }
 
-func granularityOf(source map[string]string) scopeGranularity {
-	return scopeGranularity(getIota(source, scopeKeyGranularity))
+func granularityOf(selector map[string]string) scopeGranularity {
+	return scopeGranularity(getIota(selector, scopeKeyGranularity))
 }
 
 // retrieves the iota, stored as a string, and transforms it to

src/pkg/selectors/selectors_test.go

@@ -1,4 +1,4 @@
-package source
+package selectors
 
 import (
 	"fmt"
@@ -8,37 +8,37 @@ import (
 	"github.com/stretchr/testify/suite"
 )
 
-type SourceSuite struct {
+type SelectorSuite struct {
 	suite.Suite
 }
 
-func TestSourceSuite(t *testing.T) {
-	suite.Run(t, new(SourceSuite))
+func TestSelectorSuite(t *testing.T) {
+	suite.Run(t, new(SelectorSuite))
 }
 
-func (suite *SourceSuite) TestNewSource() {
+func (suite *SelectorSuite) TestNewSelector() {
 	t := suite.T()
-	s := newSource("tid", ServiceUnknown)
+	s := newSelector("tid", ServiceUnknown)
 	assert.NotNil(t, s)
 	assert.Equal(t, s.TenantID, "tid")
 	assert.Equal(t, s.service, ServiceUnknown)
 	assert.NotNil(t, s.scopes)
 }
 
-func (suite *SourceSuite) TestSource_Service() {
+func (suite *SelectorSuite) TestSelector_Service() {
 	table := []service{
 		ServiceUnknown,
 		ServiceExchange,
 	}
 	for _, test := range table {
 		suite.T().Run(fmt.Sprintf("testing %d", test), func(t *testing.T) {
-			s := newSource("tid", test)
+			s := newSelector("tid", test)
 			assert.Equal(t, s.Service(), test)
 		})
 	}
 }
 
-func (suite *SourceSuite) TestGetIota() {
+func (suite *SelectorSuite) TestGetIota() {
 	table := []struct {
 		name   string
 		val    string
@@ -59,7 +59,7 @@ func (suite *SourceSuite) TestGetIota() {
 	}
 }
 
-func (suite *SourceSuite) TestBadCastErr() {
+func (suite *SelectorSuite) TestBadCastErr() {
 	err := badCastErr(ServiceUnknown, ServiceExchange)
 	assert.Error(suite.T(), err)
 }

src/pkg/selectors/service_string.go

@@ -1,6 +1,6 @@
 // Code generated by "stringer -type=service -linecomment"; DO NOT EDIT.
 
-package source
+package selectors
 
 import "strconv"