From 74fb4a152b3529016d96148d88245934ebbaa5fd Mon Sep 17 00:00:00 2001
From: Sam <dxb@keybase.io>
Date: Sat, 14 Mar 2020 21:27:40 -0400
Subject: [PATCH] Add ListMembers methods

---
 chat.go  | 47 +++++++++++++++++++++++++++++++++++++++++++++++
 types.go | 24 ++++++++++++++++++++++++
 2 files changed, 71 insertions(+)

diff --git a/chat.go b/chat.go
index 09f5309..e52978e 100644
--- a/chat.go
+++ b/chat.go
@@ -11,6 +11,7 @@ import (
 	"time"
 
 	"samhofi.us/x/keybase/types/chat1"
+	"samhofi.us/x/keybase/types/keybase1"
 	"samhofi.us/x/keybase/types/stellar1"
 )
 
@@ -753,3 +754,49 @@ func (k *Keybase) ClearCommands() error {
 
 	return nil
 }
+
+// ListMembers returns member information for a channel or conversation
+func (k *Keybase) ListMembers(options ListMembersOptions) (keybase1.TeamDetails, error) {
+	type res struct {
+		Result keybase1.TeamDetails `json:"result"`
+		Error  *Error               `json:"error,omitempty"`
+	}
+
+	var r res
+
+	arg := newListMembersArg(options)
+
+	jsonBytes, _ := json.Marshal(arg)
+
+	cmdOut, err := k.Exec("chat", "api", "-m", string(jsonBytes))
+	if err != nil {
+		return r.Result, err
+	}
+
+	err = json.Unmarshal(cmdOut, &r)
+	if err != nil {
+		return r.Result, err
+	}
+
+	if r.Error != nil {
+		return r.Result, fmt.Errorf("%v", r.Error.Message)
+	}
+
+	return r.Result, nil
+}
+
+// ListMembersOfChannel returns member information for a channel
+func (k *Keybase) ListMembersOfChannel(channel chat1.ChatChannel) (keybase1.TeamDetails, error) {
+	opts := ListMembersOptions{
+		Channel: channel,
+	}
+	return k.ListMembers(opts)
+}
+
+// ListMembersOfConversation returns member information for a conversation
+func (k *Keybase) ListMembersOfConversation(convID chat1.ConvIDStr) (keybase1.TeamDetails, error) {
+	opts := ListMembersOptions{
+		ConversationID: convID,
+	}
+	return k.ListMembers(opts)
+}
diff --git a/types.go b/types.go
index 6a031a3..01819f9 100644
--- a/types.go
+++ b/types.go
@@ -183,6 +183,30 @@ func newDownloadArg(options DownloadOptions) downloadArg {
 	}
 }
 
+// ListMembersOptions holds a set of options to be passed to ListMembers
+type ListMembersOptions struct {
+	Channel        chat1.ChatChannel
+	ConversationID chat1.ConvIDStr `json:"conversation_id"`
+}
+
+type listMembersParams struct {
+	Options ListMembersOptions
+}
+
+type listMembersArg struct {
+	Method string
+	Params listMembersParams
+}
+
+func newListMembersArg(options ListMembersOptions) listMembersArg {
+	return listMembersArg{
+		Method: "listmembers",
+		Params: listMembersParams{
+			Options: options,
+		},
+	}
+}
+
 // KVOptions holds a set of options to be passed to the KV methods
 type KVOptions struct {
 	Team       *string `json:"team"`