Move command logic into app layer (#5617)

app/command_expand_collapse.go

@@ -0,0 +1,87 @@
+// Copyright (c) 2016 Mattermost, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+package app
+
+import (
+	"strconv"
+
+	"github.com/mattermost/platform/model"
+	goi18n "github.com/nicksnyder/go-i18n/i18n"
+)
+
+type ExpandProvider struct {
+}
+
+type CollapseProvider struct {
+}
+
+const (
+	CMD_EXPAND   = "expand"
+	CMD_COLLAPSE = "collapse"
+)
+
+func init() {
+	RegisterCommandProvider(&ExpandProvider{})
+	RegisterCommandProvider(&CollapseProvider{})
+}
+
+func (me *ExpandProvider) GetTrigger() string {
+	return CMD_EXPAND
+}
+
+func (me *CollapseProvider) GetTrigger() string {
+	return CMD_COLLAPSE
+}
+
+func (me *ExpandProvider) GetCommand(T goi18n.TranslateFunc) *model.Command {
+	return &model.Command{
+		Trigger:          CMD_EXPAND,
+		AutoComplete:     true,
+		AutoCompleteDesc: T("api.command_expand.desc"),
+		DisplayName:      T("api.command_expand.name"),
+	}
+}
+
+func (me *CollapseProvider) GetCommand(T goi18n.TranslateFunc) *model.Command {
+	return &model.Command{
+		Trigger:          CMD_COLLAPSE,
+		AutoComplete:     true,
+		AutoCompleteDesc: T("api.command_collapse.desc"),
+		DisplayName:      T("api.command_collapse.name"),
+	}
+}
+
+func (me *ExpandProvider) DoCommand(args *model.CommandArgs, message string) *model.CommandResponse {
+	return setCollapsePreference(args, false)
+}
+
+func (me *CollapseProvider) DoCommand(args *model.CommandArgs, message string) *model.CommandResponse {
+	return setCollapsePreference(args, true)
+}
+
+func setCollapsePreference(args *model.CommandArgs, isCollapse bool) *model.CommandResponse {
+	pref := model.Preference{
+		UserId:   args.UserId,
+		Category: model.PREFERENCE_CATEGORY_DISPLAY_SETTINGS,
+		Name:     model.PREFERENCE_NAME_COLLAPSE_SETTING,
+		Value:    strconv.FormatBool(isCollapse),
+	}
+
+	if result := <-Srv.Store.Preference().Save(&model.Preferences{pref}); result.Err != nil {
+		return &model.CommandResponse{Text: args.T("api.command_expand_collapse.fail.app_error"), ResponseType: model.COMMAND_RESPONSE_TYPE_EPHEMERAL}
+	}
+
+	socketMessage := model.NewWebSocketEvent(model.WEBSOCKET_EVENT_PREFERENCE_CHANGED, "", "", args.UserId, nil)
+	socketMessage.Add("preference", pref.ToJson())
+	go Publish(socketMessage)
+
+	var rmsg string
+
+	if isCollapse {
+		rmsg = args.T("api.command_collapse.success")
+	} else {
+		rmsg = args.T("api.command_expand.success")
+	}
+	return &model.CommandResponse{ResponseType: model.COMMAND_RESPONSE_TYPE_EPHEMERAL, Text: rmsg}
+}