Improving command line interface (#4689)

cmd/platform/channelargs.go

@@ -0,0 +1,59 @@
+// Copyright (c) 2016 Mattermost, Inc. All Rights Reserved.
+// See License.txt for license information.
+package main
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/mattermost/platform/api"
+	"github.com/mattermost/platform/model"
+)
+
+const CHANNEL_ARG_SEPARATOR = ":"
+
+func getChannelsFromChannelArgs(channelArgs []string) []*model.Channel {
+	channels := make([]*model.Channel, 0, len(channelArgs))
+	for _, channelArg := range channelArgs {
+		channel := getChannelFromChannelArg(channelArg)
+		channels = append(channels, channel)
+	}
+	return channels
+}
+
+func parseChannelArg(channelArg string) (string, string) {
+	result := strings.SplitN(channelArg, CHANNEL_ARG_SEPARATOR, 2)
+	if len(result) == 1 {
+		return "", channelArg
+	}
+	return result[0], result[1]
+}
+
+func getChannelFromChannelArg(channelArg string) *model.Channel {
+	teamArg, channelPart := parseChannelArg(channelArg)
+	if teamArg == "" && channelPart == "" {
+		return nil
+	}
+
+	var channel *model.Channel
+	if teamArg != "" {
+		team := getTeamFromTeamArg(teamArg)
+		if team == nil {
+			return nil
+		}
+
+		if result := <-api.Srv.Store.Channel().GetByNameIncludeDeleted(team.Id, channelPart); result.Err == nil {
+			channel = result.Data.(*model.Channel)
+		} else {
+			fmt.Println(result.Err.Error())
+		}
+	}
+
+	if channel == nil {
+		if result := <-api.Srv.Store.Channel().Get(channelPart); result.Err == nil {
+			channel = result.Data.(*model.Channel)
+		}
+	}
+
+	return channel
+}