Update vendor

vendor/github.com/mattermost/mattermost-server/v6/model/preference.go

@@ -0,0 +1,122 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"net/http"
+	"regexp"
+	"strings"
+	"unicode/utf8"
+)
+
+const (
+	PreferenceCategoryDirectChannelShow = "direct_channel_show"
+	PreferenceCategoryGroupChannelShow  = "group_channel_show"
+	PreferenceCategoryTutorialSteps     = "tutorial_step"
+	PreferenceCategoryAdvancedSettings  = "advanced_settings"
+	PreferenceCategoryFlaggedPost       = "flagged_post"
+	PreferenceCategoryFavoriteChannel   = "favorite_channel"
+	PreferenceCategorySidebarSettings   = "sidebar_settings"
+
+	PreferenceCategoryDisplaySettings     = "display_settings"
+	PreferenceNameCollapsedThreadsEnabled = "collapsed_reply_threads"
+	PreferenceNameChannelDisplayMode      = "channel_display_mode"
+	PreferenceNameCollapseSetting         = "collapse_previews"
+	PreferenceNameMessageDisplay          = "message_display"
+	PreferenceNameNameFormat              = "name_format"
+	PreferenceNameUseMilitaryTime         = "use_military_time"
+	PreferenceRecommendedNextSteps        = "recommended_next_steps"
+
+	PreferenceCategoryTheme = "theme"
+	// the name for theme props is the team id
+
+	PreferenceCategoryAuthorizedOAuthApp = "oauth_app"
+	// the name for oauth_app is the client_id and value is the current scope
+
+	PreferenceCategoryLast    = "last"
+	PreferenceNameLastChannel = "channel"
+	PreferenceNameLastTeam    = "team"
+
+	PreferenceCategoryCustomStatus          = "custom_status"
+	PreferenceNameRecentCustomStatuses      = "recent_custom_statuses"
+	PreferenceNameCustomStatusTutorialState = "custom_status_tutorial_state"
+
+	PreferenceCustomStatusModalViewed = "custom_status_modal_viewed"
+
+	PreferenceCategoryNotifications = "notifications"
+	PreferenceNameEmailInterval     = "email_interval"
+
+	PreferenceEmailIntervalNoBatchingSeconds = "30"  // the "immediate" setting is actually 30s
+	PreferenceEmailIntervalBatchingSeconds   = "900" // fifteen minutes is 900 seconds
+	PreferenceEmailIntervalImmediately       = "immediately"
+	PreferenceEmailIntervalFifteen           = "fifteen"
+	PreferenceEmailIntervalFifteenAsSeconds  = "900"
+	PreferenceEmailIntervalHour              = "hour"
+	PreferenceEmailIntervalHourAsSeconds     = "3600"
+)
+
+type Preference struct {
+	UserId   string `json:"user_id"`
+	Category string `json:"category"`
+	Name     string `json:"name"`
+	Value    string `json:"value"`
+}
+
+type Preferences []Preference
+
+func (o *Preference) IsValid() *AppError {
+	if !IsValidId(o.UserId) {
+		return NewAppError("Preference.IsValid", "model.preference.is_valid.id.app_error", nil, "user_id="+o.UserId, http.StatusBadRequest)
+	}
+
+	if o.Category == "" || len(o.Category) > 32 {
+		return NewAppError("Preference.IsValid", "model.preference.is_valid.category.app_error", nil, "category="+o.Category, http.StatusBadRequest)
+	}
+
+	if len(o.Name) > 32 {
+		return NewAppError("Preference.IsValid", "model.preference.is_valid.name.app_error", nil, "name="+o.Name, http.StatusBadRequest)
+	}
+
+	if utf8.RuneCountInString(o.Value) > 2000 {
+		return NewAppError("Preference.IsValid", "model.preference.is_valid.value.app_error", nil, "value="+o.Value, http.StatusBadRequest)
+	}
+
+	if o.Category == PreferenceCategoryTheme {
+		var unused map[string]string
+		if err := json.NewDecoder(strings.NewReader(o.Value)).Decode(&unused); err != nil {
+			return NewAppError("Preference.IsValid", "model.preference.is_valid.theme.app_error", nil, "value="+o.Value, http.StatusBadRequest)
+		}
+	}
+
+	return nil
+}
+
+func (o *Preference) PreUpdate() {
+	if o.Category == PreferenceCategoryTheme {
+		// decode the value of theme (a map of strings to string) and eliminate any invalid values
+		var props map[string]string
+		if err := json.NewDecoder(strings.NewReader(o.Value)).Decode(&props); err != nil {
+			// just continue, the invalid preference value should get caught by IsValid before saving
+			return
+		}
+
+		colorPattern := regexp.MustCompile(`^#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?$`)
+
+		// blank out any invalid theme values
+		for name, value := range props {
+			if name == "image" || name == "type" || name == "codeTheme" {
+				continue
+			}
+
+			if !colorPattern.MatchString(value) {
+				props[name] = "#ffffff"
+			}
+		}
+
+		if b, err := json.Marshal(props); err == nil {
+			o.Value = string(b)
+		}
+	}
+}