1 files changed, 39 insertions, 0 deletions
diff --git a/channel.go b/channel.go
new file mode 100644
index 0000000..95cdd7d
--- /dev/null
+++ b/channel.go
@@ -0,0 +1,39 @@
+package main
+
+import (
+	"encoding/json"
+	"errors"
+	"log"
+	"net/http"
+	"net/url"
+)
+
+func getUsers(token string, channel string) ([]string, error) {
+	u, _ := url.Parse("https://slack.com/api/channels.info")
+	u.Query().Set("token", token)
+	u.Query().Set("channel", channel)
+	req, err := http.NewRequest(http.MethodGet, u.String(), nil)
+	if err != nil {
+		return nil, err
+	}
+	req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
+	resp, err := getClient().Do(req)
+	if err != nil {
+		log.Println(err)
+		return nil, err
+	}
+	r := struct {
+		OK      bool   `json:"ok"`
+		Error   string `json:"error"`
+		Channel struct {
+			Members []string `json:"members"`
+		} `json:"channel"`
+	}{}
+	if err := json.NewDecoder(resp.Body).Decode(&r); err != nil {
+		return nil, err
+	}
+	if !r.OK {
+		return nil, errors.New(r.Error)
+	}
+	return r.Channel.Members, nil
+}