add handers for channels

src/internal/m365/collection/groups/handler.go

@@ -0,0 +1,23 @@
+package groups
+
+import (
+	"context"
+
+	"github.com/alcionai/corso/src/pkg/services/m365/api"
+	"github.com/microsoft/kiota-abstractions-go/serialization"
+	"github.com/microsoftgraph/msgraph-sdk-go/models"
+)
+
+type BackupChannelHandler interface {
+	GetChannel(ctx context.Context, teamID, channelID string) (models.Channelable, error)
+	NewChannelPager(teamID, channelID string) api.ChannelItemDeltaEnumerator
+}
+
+type BackupMessagesHandler interface {
+	GetItem(ctx context.Context, teamID, channelID, itemID string) (models.ChatMessageable, error)
+	NewItemPager(teamID, channelID string) api.MessageItemDeltaEnumerator
+}
+
+type BackupReplyHandler interface {
+	GetItem(ctx context.Context, teamID, channelID, messageID string) (serialization.Parsable, error)
+}

src/pkg/services/m365/api/channels.go

@@ -0,0 +1 @@
+package api

src/pkg/services/m365/api/channels_pager.go

@@ -0,0 +1,39 @@
+package api
+
+import (
+	"context"
+)
+
+// ---------------------------------------------------------------------------
+// item pager
+// ---------------------------------------------------------------------------
+
+type MessageItemDeltaEnumerator interface {
+	GetPage(context.Context) (DeltaPageLinker, error)
+}
+
+// TODO: implement
+// var _ MessageItemDeltaEnumerator = &messagePageCtrl{}
+
+// type messagePageCtrl struct {
+// 	gs      graph.Servicer
+// 	builder *teams.ItemChannelsItemMessagesRequestBuilder
+// 	options *teams.ItemChannelsItemMessagesRequestBuilderGetRequestConfiguration
+// }
+
+// ---------------------------------------------------------------------------
+// channel pager
+// ---------------------------------------------------------------------------
+
+type ChannelItemDeltaEnumerator interface {
+	GetPage(context.Context) (DeltaPageLinker, error)
+}
+
+// TODO: implement
+// var _ ChannelsItemDeltaEnumerator = &channelsPageCtrl{}
+
+// type channelsPageCtrl struct {
+// 	gs      graph.Servicer
+// 	builder *teams.ItemChannelsChannelItemRequestBuilder
+// 	options *teams.ItemChannelsChannelItemRequestBuilderGetRequestConfiguration
+// }