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user_layer.go
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user_layer.go
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// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.
package searchlayer
import (
"context"
"strings"
"github.com/pkg/errors"
"github.com/mattermost/mattermost-server/v5/model"
"github.com/mattermost/mattermost-server/v5/services/searchengine"
"github.com/mattermost/mattermost-server/v5/shared/mlog"
"github.com/mattermost/mattermost-server/v5/store"
)
type SearchUserStore struct {
store.UserStore
rootStore *SearchStore
}
func (s *SearchUserStore) deleteUserIndex(user *model.User) {
for _, engine := range s.rootStore.searchEngine.GetActiveEngines() {
if engine.IsIndexingEnabled() {
runIndexFn(engine, func(engineCopy searchengine.SearchEngineInterface) {
if err := engineCopy.DeleteUser(user); err != nil {
mlog.Error("Encountered error deleting user", mlog.String("user_id", user.Id), mlog.String("search_engine", engineCopy.GetName()), mlog.Err(err))
return
}
mlog.Debug("Removed user from the index in search engine", mlog.String("search_engine", engineCopy.GetName()), mlog.String("user_id", user.Id))
})
}
}
}
func (s *SearchUserStore) Search(teamId, term string, options *model.UserSearchOptions) ([]*model.User, error) {
for _, engine := range s.rootStore.searchEngine.GetActiveEngines() {
if engine.IsSearchEnabled() {
listOfAllowedChannels, nErr := s.getListOfAllowedChannelsForTeam(teamId, options.ViewRestrictions)
if nErr != nil {
mlog.Warn("Encountered error on Search.", mlog.String("search_engine", engine.GetName()), mlog.Err(nErr))
continue
}
if listOfAllowedChannels != nil && len(listOfAllowedChannels) == 0 {
return []*model.User{}, nil
}
sanitizedTerm := sanitizeSearchTerm(term)
usersIds, err := engine.SearchUsersInTeam(teamId, listOfAllowedChannels, sanitizedTerm, options)
if err != nil {
mlog.Warn("Encountered error on Search", mlog.String("search_engine", engine.GetName()), mlog.Err(err))
continue
}
users, nErr := s.UserStore.GetProfileByIds(context.Background(), usersIds, nil, false)
if nErr != nil {
mlog.Warn("Encountered error on Search", mlog.String("search_engine", engine.GetName()), mlog.Err(nErr))
continue
}
mlog.Debug("Using the first available search engine", mlog.String("search_engine", engine.GetName()))
return users, nil
}
}
mlog.Debug("Using database search because no other search engine is available")
return s.UserStore.Search(teamId, term, options)
}
func (s *SearchUserStore) Update(user *model.User, trustedUpdateData bool) (*model.UserUpdate, error) {
userUpdate, err := s.UserStore.Update(user, trustedUpdateData)
if err == nil {
s.rootStore.indexUser(userUpdate.New)
}
return userUpdate, err
}
func (s *SearchUserStore) Save(user *model.User) (*model.User, error) {
nuser, err := s.UserStore.Save(user)
if err == nil {
s.rootStore.indexUser(nuser)
}
return nuser, err
}
func (s *SearchUserStore) PermanentDelete(userId string) error {
user, userErr := s.UserStore.Get(context.Background(), userId)
if userErr != nil {
mlog.Warn("Encountered error deleting user", mlog.String("user_id", userId), mlog.Err(userErr))
}
err := s.UserStore.PermanentDelete(userId)
if err == nil && userErr == nil {
s.deleteUserIndex(user)
}
return err
}
func (s *SearchUserStore) autocompleteUsersInChannelByEngine(engine searchengine.SearchEngineInterface, teamId, channelId, term string, options *model.UserSearchOptions) (*model.UserAutocompleteInChannel, error) {
var err *model.AppError
uchanIds := []string{}
nuchanIds := []string{}
sanitizedTerm := sanitizeSearchTerm(term)
if channelId != "" && options.ListOfAllowedChannels != nil && !strings.Contains(strings.Join(options.ListOfAllowedChannels, "."), channelId) {
nuchanIds, err = engine.SearchUsersInTeam(teamId, options.ListOfAllowedChannels, sanitizedTerm, options)
} else {
uchanIds, nuchanIds, err = engine.SearchUsersInChannel(teamId, channelId, options.ListOfAllowedChannels, sanitizedTerm, options)
}
if err != nil {
return nil, err
}
uchan := make(chan store.StoreResult, 1)
go func() {
users, nErr := s.UserStore.GetProfileByIds(context.Background(), uchanIds, nil, false)
uchan <- store.StoreResult{Data: users, NErr: nErr}
close(uchan)
}()
nuchan := make(chan store.StoreResult, 1)
go func() {
users, nErr := s.UserStore.GetProfileByIds(context.Background(), nuchanIds, nil, false)
nuchan <- store.StoreResult{Data: users, NErr: nErr}
close(nuchan)
}()
autocomplete := &model.UserAutocompleteInChannel{}
result := <-uchan
if result.NErr != nil {
return nil, errors.Wrap(result.NErr, "failed to get user profiles by ids")
}
inUsers := result.Data.([]*model.User)
autocomplete.InChannel = inUsers
result = <-nuchan
if result.NErr != nil {
return nil, errors.Wrap(result.NErr, "failed to get user profiles by ids")
}
outUsers := result.Data.([]*model.User)
autocomplete.OutOfChannel = outUsers
return autocomplete, nil
}
// getListOfAllowedChannelsForTeam return the list of allowed channels to search user based on the
// next scenarios:
// - If there isn't view restrictions (team or channel) and no team id to filter them, then all
// channels are allowed (nil return)
// - If we receive a team Id and either we don't have view restrictions or the provided team id is included in the
// list of restricted teams, then we return all the team channels
// - If we don't receive team id or the provided team id is not in the list of allowed teams to search of and we
// don't have channel restrictions then we return an empty result because we cannot get channels
// - If we receive channels restrictions we get:
// - If we don't have team id, we get those restricted channels (guest accounts and quick search)
// - If we have a team id then we only return those restricted channels that belongs to that team
func (s *SearchUserStore) getListOfAllowedChannelsForTeam(teamId string, viewRestrictions *model.ViewUsersRestrictions) ([]string, error) {
var listOfAllowedChannels []string
if viewRestrictions == nil && teamId == "" {
// nil return without error means all channels are allowed
return nil, nil
}
if teamId != "" && (viewRestrictions == nil || strings.Contains(strings.Join(viewRestrictions.Teams, "."), teamId)) {
channels, err := s.rootStore.Channel().GetTeamChannels(teamId)
if err != nil {
return nil, errors.Wrap(err, "failed to get team channels")
}
for _, channel := range *channels {
listOfAllowedChannels = append(listOfAllowedChannels, channel.Id)
}
return listOfAllowedChannels, nil
}
if len(viewRestrictions.Channels) > 0 {
channels, err := s.rootStore.Channel().GetChannelsByIds(viewRestrictions.Channels, false)
if err != nil {
return nil, errors.Wrap(err, "failed to get channels by ids")
}
for _, c := range channels {
if teamId == "" || (teamId != "" && c.TeamId == teamId) {
listOfAllowedChannels = append(listOfAllowedChannels, c.Id)
}
}
return listOfAllowedChannels, nil
}
return []string{}, nil
}
func (s *SearchUserStore) AutocompleteUsersInChannel(teamId, channelId, term string, options *model.UserSearchOptions) (*model.UserAutocompleteInChannel, error) {
for _, engine := range s.rootStore.searchEngine.GetActiveEngines() {
if engine.IsAutocompletionEnabled() {
listOfAllowedChannels, nErr := s.getListOfAllowedChannelsForTeam(teamId, options.ViewRestrictions)
if nErr != nil {
mlog.Warn("Encountered error on AutocompleteUsersInChannel.", mlog.String("search_engine", engine.GetName()), mlog.Err(nErr))
continue
}
if listOfAllowedChannels != nil && len(listOfAllowedChannels) == 0 {
return &model.UserAutocompleteInChannel{}, nil
}
options.ListOfAllowedChannels = listOfAllowedChannels
autocomplete, nErr := s.autocompleteUsersInChannelByEngine(engine, teamId, channelId, term, options)
if nErr != nil {
mlog.Warn("Encountered error on AutocompleteUsersInChannel.", mlog.String("search_engine", engine.GetName()), mlog.Err(nErr))
continue
}
mlog.Debug("Using the first available search engine", mlog.String("search_engine", engine.GetName()))
return autocomplete, nil
}
}
mlog.Debug("Using database search because no other search engine is available")
return s.UserStore.AutocompleteUsersInChannel(teamId, channelId, term, options)
}