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post_layer.go
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post_layer.go
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// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.
package searchlayer
import (
"errors"
"net/http"
"github.com/mattermost/mattermost-server/v5/mlog"
"github.com/mattermost/mattermost-server/v5/model"
"github.com/mattermost/mattermost-server/v5/services/searchengine"
"github.com/mattermost/mattermost-server/v5/store"
)
type SearchPostStore struct {
store.PostStore
rootStore *SearchStore
}
func (s SearchPostStore) indexPost(post *model.Post) {
for _, engine := range s.rootStore.searchEngine.GetActiveEngines() {
if engine.IsIndexingEnabled() {
runIndexFn(engine, func(engineCopy searchengine.SearchEngineInterface) {
channel, chanErr := s.rootStore.Channel().Get(post.ChannelId, true)
if chanErr != nil {
mlog.Error("Couldn't get channel for post for SearchEngine indexing.", mlog.String("channel_id", post.ChannelId), mlog.String("search_engine", engineCopy.GetName()), mlog.String("post_id", post.Id), mlog.Err(chanErr))
return
}
if err := engineCopy.IndexPost(post, channel.TeamId); err != nil {
mlog.Error("Encountered error indexing post", mlog.String("post_id", post.Id), mlog.String("search_engine", engineCopy.GetName()), mlog.Err(err))
}
mlog.Debug("Indexed post in search engine", mlog.String("search_engine", engineCopy.GetName()), mlog.String("post_id", post.Id))
})
}
}
}
func (s SearchPostStore) deletePostIndex(post *model.Post) {
for _, engine := range s.rootStore.searchEngine.GetActiveEngines() {
if engine.IsIndexingEnabled() {
runIndexFn(engine, func(engineCopy searchengine.SearchEngineInterface) {
if err := engineCopy.DeletePost(post); err != nil {
mlog.Error("Encountered error deleting post", mlog.String("post_id", post.Id), mlog.String("search_engine", engineCopy.GetName()), mlog.Err(err))
}
mlog.Debug("Removed post from the index in search engine", mlog.String("search_engine", engineCopy.GetName()), mlog.String("post_id", post.Id))
})
}
}
}
func (s SearchPostStore) deleteChannelPostsIndex(channelID string) {
for _, engine := range s.rootStore.searchEngine.GetActiveEngines() {
if engine.IsIndexingEnabled() {
runIndexFn(engine, func(engineCopy searchengine.SearchEngineInterface) {
if err := engineCopy.DeleteChannelPosts(channelID); err != nil {
mlog.Error("Encountered error deleting channel posts", mlog.String("channel_id", channelID), mlog.String("search_engine", engineCopy.GetName()), mlog.Err(err))
}
mlog.Debug("Removed all channel posts from the index in search engine", mlog.String("channel_id", channelID), mlog.String("search_engine", engineCopy.GetName()))
})
}
}
}
func (s SearchPostStore) deleteUserPostsIndex(userID string) {
for _, engine := range s.rootStore.searchEngine.GetActiveEngines() {
if engine.IsIndexingEnabled() {
runIndexFn(engine, func(engineCopy searchengine.SearchEngineInterface) {
if err := engineCopy.DeleteUserPosts(userID); err != nil {
mlog.Error("Encountered error deleting user posts", mlog.String("user_id", userID), mlog.String("search_engine", engineCopy.GetName()), mlog.Err(err))
}
mlog.Debug("Removed all user posts from the index in search engine", mlog.String("user_id", userID), mlog.String("search_engine", engineCopy.GetName()))
})
}
}
}
func (s SearchPostStore) Update(newPost, oldPost *model.Post) (*model.Post, error) {
post, err := s.PostStore.Update(newPost, oldPost)
if err == nil {
s.indexPost(post)
}
return post, err
}
func (s *SearchPostStore) Overwrite(post *model.Post) (*model.Post, *model.AppError) {
post, err := s.PostStore.Overwrite(post)
if err == nil {
s.indexPost(post)
}
return post, err
}
func (s SearchPostStore) Save(post *model.Post) (*model.Post, error) {
npost, err := s.PostStore.Save(post)
if err == nil {
s.indexPost(npost)
}
return npost, err
}
func (s SearchPostStore) Delete(postId string, date int64, deletedByID string) error {
err := s.PostStore.Delete(postId, date, deletedByID)
if err == nil {
postList, err2 := s.PostStore.Get(postId, true)
if postList != nil && len(postList.Order) > 0 {
if err2 != nil {
s.deletePostIndex(postList.Posts[postList.Order[0]])
}
}
}
return err
}
func (s SearchPostStore) PermanentDeleteByUser(userID string) error {
err := s.PostStore.PermanentDeleteByUser(userID)
if err == nil {
s.deleteUserPostsIndex(userID)
}
return err
}
func (s SearchPostStore) PermanentDeleteByChannel(channelID string) error {
err := s.PostStore.PermanentDeleteByChannel(channelID)
if err == nil {
s.deleteChannelPostsIndex(channelID)
}
return err
}
func (s SearchPostStore) searchPostsInTeamForUserByEngine(engine searchengine.SearchEngineInterface, paramsList []*model.SearchParams, userId, teamId string, page, perPage int) (*model.PostSearchResults, *model.AppError) {
if err := model.IsSearchParamsListValid(paramsList); err != nil {
return nil, err
}
// We only allow the user to search in channels they are a member of.
userChannels, nErr := s.rootStore.Channel().GetChannels(teamId, userId, paramsList[0].IncludeDeletedChannels, 0)
if nErr != nil {
mlog.Error("error getting channel for user", mlog.Err(nErr))
var nfErr *store.ErrNotFound
switch {
// TODO: This error key would go away once this store method is migrated to return plain errors
case errors.As(nErr, &nfErr):
return nil, model.NewAppError("searchPostsInTeamForUserByEngine", "app.channel.get_channels.not_found.app_error", nil, nfErr.Error(), http.StatusNotFound)
default:
return nil, model.NewAppError("searchPostsInTeamForUserByEngine", "app.channel.get_channels.get.app_error", nil, nErr.Error(), http.StatusInternalServerError)
}
}
postIds, matches, err := engine.SearchPosts(userChannels, paramsList, page, perPage)
if err != nil {
return nil, err
}
// Get the posts
postList := model.NewPostList()
if len(postIds) > 0 {
posts, err := s.PostStore.GetPostsByIds(postIds)
if err != nil {
return nil, err
}
for _, p := range posts {
if p.DeleteAt == 0 {
postList.AddPost(p)
postList.AddOrder(p.Id)
}
}
}
return model.MakePostSearchResults(postList, matches), nil
}
func (s SearchPostStore) SearchPostsInTeamForUser(paramsList []*model.SearchParams, userId, teamId string, page, perPage int) (*model.PostSearchResults, *model.AppError) {
for _, engine := range s.rootStore.searchEngine.GetActiveEngines() {
if engine.IsSearchEnabled() {
results, err := s.searchPostsInTeamForUserByEngine(engine, paramsList, userId, teamId, page, perPage)
if err != nil {
mlog.Error("Encountered error on SearchPostsInTeamForUser.", mlog.String("search_engine", engine.GetName()), mlog.Err(err))
continue
}
mlog.Debug("Using the first available search engine", mlog.String("search_engine", engine.GetName()))
return results, err
}
}
if *s.rootStore.config.SqlSettings.DisableDatabaseSearch {
mlog.Debug("Returning empty results for post SearchPostsInTeam as the database search is disabled")
return &model.PostSearchResults{PostList: model.NewPostList(), Matches: model.PostSearchMatches{}}, nil
}
mlog.Debug("Using database search because no other search engine is available")
return s.PostStore.SearchPostsInTeamForUser(paramsList, userId, teamId, page, perPage)
}