Add ChatSend() and ChatSendTeam() methods

api/api.go

@@ -10,6 +10,8 @@ type Keybase struct {
 }
 
 type keybase interface {
+	ChatSend(user, message string) chatOutResult
+	ChatSendTeam(team, channel, message string) chatOutResult
 	LoggedIn() bool
 	Username() string
 	Version() string

api/chatOut.go

@@ -0,0 +1,84 @@
+package api
+
+import (
+	"encoding/json"
+	"os/exec"
+)
+
+
+// ---- Struct for sending to API
+type chatOut struct {
+	Method string `json:"method"`
+	Params chatOutParams `json:"params"`
+}
+type chatOutChannel struct {
+	Name        string `json:"name"`
+	MembersType string `json:"members_type"`
+	TopicName   string `json:"topic_name"`
+}
+type chatOutMessage struct {
+	Body string `json:"body"`
+}
+type chatOutOptions struct {
+	Channel chatOutChannel `json:"channel"`
+	Message chatOutMessage `json:"message"`
+}
+type chatOutParams struct {
+	Options chatOutOptions `json:"options"`
+}
+// ----
+
+// ---- Struct for data received after sending to API
+type chatOutResult struct {
+	Result chatOutResultResult `json:"result"`
+}
+type chatOutResultRatelimits struct {
+	Tank     string `json:"tank"`
+	Capacity int    `json:"capacity"`
+	Reset    int    `json:"reset"`
+	Gas      int    `json:"gas"`
+}
+type chatOutResultResult struct {
+	Message    string       `json:"message"`
+	ID         int          `json:"id"`
+	Ratelimits []chatOutResultRatelimits `json:"ratelimits"`
+}
+// ----
+
+// chatAPIOut() sends JSON requests to the chat API and returns its response.
+func chatAPIOut(keybasePath string, c chatOut) (chatOutResult, error) {
+	jsonBytes, _ := json.Marshal(c)
+	
+	cmd := exec.Command(keybasePath, "chat", "api", "-m", string(jsonBytes))
+	cmdOut, err := cmd.Output()
+	if err != nil {
+		return chatOutResult{}, err
+	}
+
+	var r chatOutResult
+	json.Unmarshal(cmdOut, &r)
+
+	return r, nil
+}
+
+// ChatSend() sends a chat message to a user.
+func (k Keybase) ChatSend(user, message string) (chatOutResult, error) {
+	m := chatOut{}
+	m.Method = "send"
+	m.Params.Options.Channel.Name = user
+	m.Params.Options.Message.Body = message
+
+	return chatAPIOut(k.path, m)
+}
+
+// ChatSendTeam() sends a chat message to a team.
+func (k Keybase) ChatSendTeam(team, channel, message string) (chatOutResult, error) {
+	m := chatOut{}
+	m.Method = "send"
+	m.Params.Options.Channel.Name = team
+	m.Params.Options.Channel.MembersType = "team"
+	m.Params.Options.Channel.TopicName = channel
+	m.Params.Options.Message.Body = message
+
+	return chatAPIOut(k.path, m)
+}