/
thread_store.go
818 lines (722 loc) · 26 KB
/
thread_store.go
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// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.
package sqlstore
import (
"context"
"database/sql"
"time"
sq "github.com/Masterminds/squirrel"
"github.com/mattermost/gorp"
"github.com/pkg/errors"
"github.com/mattermost/mattermost-server/v5/model"
"github.com/mattermost/mattermost-server/v5/store"
"github.com/mattermost/mattermost-server/v5/utils"
)
type SqlThreadStore struct {
*SqlStore
}
func (s *SqlThreadStore) ClearCaches() {
}
func newSqlThreadStore(sqlStore *SqlStore) store.ThreadStore {
s := &SqlThreadStore{
SqlStore: sqlStore,
}
for _, db := range sqlStore.GetAllConns() {
tableThreads := db.AddTableWithName(model.Thread{}, "Threads").SetKeys(false, "PostId")
tableThreads.ColMap("PostId").SetMaxSize(26)
tableThreads.ColMap("ChannelId").SetMaxSize(26)
tableThreads.ColMap("Participants").SetMaxSize(0)
tableThreadMemberships := db.AddTableWithName(model.ThreadMembership{}, "ThreadMemberships").SetKeys(false, "PostId", "UserId")
tableThreadMemberships.ColMap("PostId").SetMaxSize(26)
tableThreadMemberships.ColMap("UserId").SetMaxSize(26)
}
return s
}
func threadSliceColumns() []string {
return []string{"PostId", "ChannelId", "LastReplyAt", "ReplyCount", "Participants"}
}
func threadToSlice(thread *model.Thread) []interface{} {
return []interface{}{
thread.PostId,
thread.ChannelId,
thread.LastReplyAt,
thread.ReplyCount,
model.ArrayToJson(thread.Participants),
}
}
func (s *SqlThreadStore) createIndexesIfNotExists() {
s.CreateIndexIfNotExists("idx_thread_memberships_last_update_at", "ThreadMemberships", "LastUpdated")
s.CreateIndexIfNotExists("idx_thread_memberships_last_view_at", "ThreadMemberships", "LastViewed")
s.CreateIndexIfNotExists("idx_thread_memberships_user_id", "ThreadMemberships", "UserId")
s.CreateIndexIfNotExists("idx_threads_channel_id", "Threads", "ChannelId")
}
func (s *SqlThreadStore) SaveMultiple(threads []*model.Thread) ([]*model.Thread, int, error) {
builder := s.getQueryBuilder().Insert("Threads").Columns(threadSliceColumns()...)
for _, thread := range threads {
builder = builder.Values(threadToSlice(thread)...)
}
query, args, err := builder.ToSql()
if err != nil {
return nil, -1, errors.Wrap(err, "thread_tosql")
}
if _, err := s.GetMaster().Exec(query, args...); err != nil {
return nil, -1, errors.Wrap(err, "failed to save Post")
}
return threads, -1, nil
}
func (s *SqlThreadStore) Save(thread *model.Thread) (*model.Thread, error) {
threads, _, err := s.SaveMultiple([]*model.Thread{thread})
if err != nil {
return nil, err
}
return threads[0], nil
}
func (s *SqlThreadStore) Update(thread *model.Thread) (*model.Thread, error) {
return s.update(s.GetMaster(), thread)
}
func (s *SqlThreadStore) update(ex gorp.SqlExecutor, thread *model.Thread) (*model.Thread, error) {
if _, err := ex.Update(thread); err != nil {
return nil, errors.Wrapf(err, "failed to update thread with id=%s", thread.PostId)
}
return thread, nil
}
func (s *SqlThreadStore) Get(id string) (*model.Thread, error) {
return s.get(s.GetReplica(), id)
}
func (s *SqlThreadStore) get(ex gorp.SqlExecutor, id string) (*model.Thread, error) {
var thread model.Thread
query, args, _ := s.getQueryBuilder().Select("*").From("Threads").Where(sq.Eq{"PostId": id}).ToSql()
err := ex.SelectOne(&thread, query, args...)
if err != nil {
if err == sql.ErrNoRows {
return nil, nil
}
return nil, errors.Wrapf(err, "failed to get thread with id=%s", id)
}
return &thread, nil
}
func (s *SqlThreadStore) GetThreadsForUser(userId, teamId string, opts model.GetUserThreadsOpts) (*model.Threads, error) {
type JoinedThread struct {
PostId string
ReplyCount int64
LastReplyAt int64
LastViewedAt int64
UnreadReplies int64
UnreadMentions int64
Participants model.StringArray
model.Post
}
fetchConditions := sq.And{
sq.Eq{"ThreadMemberships.UserId": userId},
sq.Eq{"ThreadMemberships.Following": true},
}
if opts.TeamOnly {
fetchConditions = sq.And{
sq.Eq{"Channels.TeamId": teamId},
fetchConditions,
}
} else {
fetchConditions = sq.And{
sq.Or{sq.Eq{"Channels.TeamId": teamId}, sq.Eq{"Channels.TeamId": ""}},
fetchConditions,
}
}
if !opts.Deleted {
fetchConditions = sq.And{
fetchConditions,
sq.Eq{"COALESCE(Posts.DeleteAt, 0)": 0},
}
}
pageSize := uint64(30)
if opts.PageSize != 0 {
pageSize = opts.PageSize
}
totalUnreadThreadsChan := make(chan store.StoreResult, 1)
totalCountChan := make(chan store.StoreResult, 1)
totalUnreadMentionsChan := make(chan store.StoreResult, 1)
var threadsChan chan store.StoreResult
if !opts.TotalsOnly {
threadsChan = make(chan store.StoreResult, 1)
}
go func() {
repliesQuery, repliesQueryArgs, _ := s.getQueryBuilder().
Select("COUNT(DISTINCT(Posts.RootId))").
From("Posts").
LeftJoin("ThreadMemberships ON Posts.RootId = ThreadMemberships.PostId").
LeftJoin("Channels ON Posts.ChannelId = Channels.Id").
Where(fetchConditions).
Where("Posts.CreateAt > ThreadMemberships.LastViewed").ToSql()
totalUnreadThreads, err := s.GetMaster().SelectInt(repliesQuery, repliesQueryArgs...)
totalUnreadThreadsChan <- store.StoreResult{Data: totalUnreadThreads, NErr: errors.Wrapf(err, "failed to get count unread on threads for user id=%s", userId)}
close(totalUnreadThreadsChan)
}()
go func() {
newFetchConditions := fetchConditions
if opts.Unread {
newFetchConditions = sq.And{newFetchConditions, sq.Expr("ThreadMemberships.LastViewed < Threads.LastReplyAt")}
}
threadsQuery, threadsQueryArgs, _ := s.getQueryBuilder().
Select("COUNT(ThreadMemberships.PostId)").
LeftJoin("Threads ON Threads.PostId = ThreadMemberships.PostId").
LeftJoin("Channels ON Threads.ChannelId = Channels.Id").
LeftJoin("Posts ON Posts.Id = ThreadMemberships.PostId").
From("ThreadMemberships").
Where(newFetchConditions).ToSql()
totalCount, err := s.GetMaster().SelectInt(threadsQuery, threadsQueryArgs...)
totalCountChan <- store.StoreResult{Data: totalCount, NErr: err}
close(totalCountChan)
}()
go func() {
mentionsQuery, mentionsQueryArgs, _ := s.getQueryBuilder().
Select("COALESCE(SUM(ThreadMemberships.UnreadMentions),0)").
From("ThreadMemberships").
LeftJoin("Threads ON Threads.PostId = ThreadMemberships.PostId").
LeftJoin("Posts ON Posts.Id = ThreadMemberships.PostId").
LeftJoin("Channels ON Threads.ChannelId = Channels.Id").
Where(fetchConditions).ToSql()
totalUnreadMentions, err := s.GetMaster().SelectInt(mentionsQuery, mentionsQueryArgs...)
totalUnreadMentionsChan <- store.StoreResult{Data: totalUnreadMentions, NErr: err}
close(totalUnreadMentionsChan)
}()
if !opts.TotalsOnly {
go func() {
newFetchConditions := fetchConditions
if opts.Since > 0 {
newFetchConditions = sq.And{newFetchConditions, sq.GtOrEq{"ThreadMemberships.LastUpdated": opts.Since}}
}
order := "DESC"
if opts.Before != "" {
newFetchConditions = sq.And{
newFetchConditions,
sq.Expr(`LastReplyAt < (SELECT LastReplyAt FROM Threads WHERE PostId = ?)`, opts.Before),
}
}
if opts.After != "" {
order = "ASC"
newFetchConditions = sq.And{
newFetchConditions,
sq.Expr(`LastReplyAt > (SELECT LastReplyAt FROM Threads WHERE PostId = ?)`, opts.After),
}
}
if opts.Unread {
newFetchConditions = sq.And{newFetchConditions, sq.Expr("ThreadMemberships.LastViewed < Threads.LastReplyAt")}
}
unreadRepliesFetchConditions := sq.And{
sq.Expr("Posts.RootId = ThreadMemberships.PostId"),
sq.Expr("Posts.CreateAt > ThreadMemberships.LastViewed"),
}
if !opts.Deleted {
unreadRepliesFetchConditions = sq.And{
unreadRepliesFetchConditions,
sq.Expr("Posts.DeleteAt = 0"),
}
}
unreadRepliesQuery, _ := sq.
Select("COUNT(Posts.Id)").
From("Posts").
Where(unreadRepliesFetchConditions).
MustSql()
var threads []*JoinedThread
query, args, _ := s.getQueryBuilder().
Select(`Threads.*,
` + postSliceCoalesceQuery() + `,
ThreadMemberships.LastViewed as LastViewedAt,
ThreadMemberships.UnreadMentions as UnreadMentions`).
From("Threads").
Column(sq.Alias(sq.Expr(unreadRepliesQuery), "UnreadReplies")).
LeftJoin("Posts ON Posts.Id = Threads.PostId").
LeftJoin("Channels ON Posts.ChannelId = Channels.Id").
LeftJoin("ThreadMemberships ON ThreadMemberships.PostId = Threads.PostId").
Where(newFetchConditions).
OrderBy("Threads.LastReplyAt " + order).
Limit(pageSize).ToSql()
_, err := s.GetReplica().Select(&threads, query, args...)
threadsChan <- store.StoreResult{Data: threads, NErr: err}
close(threadsChan)
}()
}
totalUnreadMentionsResult := <-totalUnreadMentionsChan
if totalUnreadMentionsResult.NErr != nil {
return nil, totalUnreadMentionsResult.NErr
}
totalUnreadMentions := totalUnreadMentionsResult.Data.(int64)
totalCountResult := <-totalCountChan
if totalCountResult.NErr != nil {
return nil, totalCountResult.NErr
}
totalCount := totalCountResult.Data.(int64)
totalUnreadThreadsResult := <-totalUnreadThreadsChan
if totalUnreadThreadsResult.NErr != nil {
return nil, totalUnreadThreadsResult.NErr
}
totalUnreadThreads := totalUnreadThreadsResult.Data.(int64)
var userIds []string
userIdMap := map[string]bool{}
result := &model.Threads{
Total: totalCount,
Threads: []*model.ThreadResponse{},
TotalUnreadMentions: totalUnreadMentions,
TotalUnreadThreads: totalUnreadThreads,
}
if !opts.TotalsOnly {
threadsResult := <-threadsChan
if threadsResult.NErr != nil {
return nil, threadsResult.NErr
}
threads := threadsResult.Data.([]*JoinedThread)
for _, thread := range threads {
for _, participantId := range thread.Participants {
if _, ok := userIdMap[participantId]; !ok {
userIdMap[participantId] = true
userIds = append(userIds, participantId)
}
}
}
var users []*model.User
if opts.Extended {
var err error
users, err = s.User().GetProfileByIds(context.Background(), userIds, &store.UserGetByIdsOpts{}, true)
if err != nil {
return nil, errors.Wrapf(err, "failed to get threads for user id=%s", userId)
}
} else {
for _, userId := range userIds {
users = append(users, &model.User{Id: userId})
}
}
for _, thread := range threads {
var participants []*model.User
for _, participantId := range thread.Participants {
var participant *model.User
for _, u := range users {
if u.Id == participantId {
participant = u
break
}
}
if participant == nil {
return nil, errors.New("cannot find thread participant with id=" + participantId)
}
participants = append(participants, participant)
}
result.Threads = append(result.Threads, &model.ThreadResponse{
PostId: thread.PostId,
ReplyCount: thread.ReplyCount,
LastReplyAt: thread.LastReplyAt,
LastViewedAt: thread.LastViewedAt,
UnreadReplies: thread.UnreadReplies,
UnreadMentions: thread.UnreadMentions,
Participants: participants,
Post: thread.Post.ToNilIfInvalid(),
})
}
}
return result, nil
}
func (s *SqlThreadStore) GetThreadFollowers(threadID string) ([]string, error) {
var users []string
query, args, _ := s.getQueryBuilder().
Select("ThreadMemberships.UserId").
From("ThreadMemberships").
Where(sq.Eq{"PostId": threadID}).ToSql()
_, err := s.GetReplica().Select(&users, query, args...)
if err != nil {
return nil, err
}
return users, nil
}
func (s *SqlThreadStore) GetThreadForUser(teamId string, threadMembership *model.ThreadMembership, extended bool) (*model.ThreadResponse, error) {
if !threadMembership.Following {
return nil, nil // in case the thread is not followed anymore - return nil error to be interpreted as 404
}
type JoinedThread struct {
PostId string
Following bool
ReplyCount int64
LastReplyAt int64
LastViewedAt int64
UnreadReplies int64
UnreadMentions int64
Participants model.StringArray
model.Post
}
unreadRepliesQuery, unreadRepliesArgs := sq.
Select("COUNT(Posts.Id)").
From("Posts").
Where(sq.And{
sq.Eq{"Posts.RootId": threadMembership.PostId},
sq.Gt{"Posts.CreateAt": threadMembership.LastViewed},
sq.Eq{"Posts.DeleteAt": 0},
}).MustSql()
fetchConditions := sq.And{
sq.Or{sq.Eq{"Channels.TeamId": teamId}, sq.Eq{"Channels.TeamId": ""}},
sq.Eq{"Threads.PostId": threadMembership.PostId},
}
var thread JoinedThread
query, threadArgs, _ := s.getQueryBuilder().
Select("Threads.*, Posts.*").
From("Threads").
Column(sq.Alias(sq.Expr(unreadRepliesQuery), "UnreadReplies")).
LeftJoin("Posts ON Posts.Id = Threads.PostId").
LeftJoin("Channels ON Posts.ChannelId = Channels.Id").
Where(fetchConditions).ToSql()
args := append(unreadRepliesArgs, threadArgs...)
err := s.GetReplica().SelectOne(&thread, query, args...)
if err != nil {
return nil, err
}
thread.LastViewedAt = threadMembership.LastViewed
thread.UnreadMentions = threadMembership.UnreadMentions
var users []*model.User
if extended {
var err error
users, err = s.User().GetProfileByIds(context.Background(), thread.Participants, &store.UserGetByIdsOpts{}, true)
if err != nil {
return nil, errors.Wrapf(err, "failed to get thread for user id=%s", threadMembership.UserId)
}
} else {
for _, userId := range thread.Participants {
users = append(users, &model.User{Id: userId})
}
}
result := &model.ThreadResponse{
PostId: thread.PostId,
ReplyCount: thread.ReplyCount,
LastReplyAt: thread.LastReplyAt,
LastViewedAt: thread.LastViewedAt,
UnreadReplies: thread.UnreadReplies,
UnreadMentions: thread.UnreadMentions,
Participants: users,
Post: thread.Post.ToNilIfInvalid(),
}
return result, nil
}
func (s *SqlThreadStore) MarkAllAsReadInChannels(userID string, channelIDs []string) error {
var threadIDs []string
query, args, _ := s.getQueryBuilder().
Select("ThreadMemberships.PostId").
Join("Threads ON Threads.PostId = ThreadMemberships.PostId").
Join("Channels ON Threads.ChannelId = Channels.Id").
From("ThreadMemberships").
Where(sq.Eq{"Threads.ChannelId": channelIDs}).
Where(sq.Eq{"ThreadMemberships.UserId": userID}).
ToSql()
_, err := s.GetReplica().Select(&threadIDs, query, args...)
if err != nil {
return errors.Wrapf(err, "failed to get thread membership with userid=%s", userID)
}
timestamp := model.GetMillis()
query, args, _ = s.getQueryBuilder().
Update("ThreadMemberships").
Where(sq.Eq{"PostId": threadIDs}).
Where(sq.Eq{"UserId": userID}).
Set("LastViewed", timestamp).
Set("UnreadMentions", 0).
ToSql()
if _, err := s.GetMaster().Exec(query, args...); err != nil {
return errors.Wrapf(err, "failed to update thread read state for user id=%s", userID)
}
return nil
}
func (s *SqlThreadStore) MarkAllAsRead(userId, teamId string) error {
memberships, err := s.GetMembershipsForUser(userId, teamId)
if err != nil {
return err
}
var membershipIds []string
for _, m := range memberships {
membershipIds = append(membershipIds, m.PostId)
}
timestamp := model.GetMillis()
query, args, _ := s.getQueryBuilder().
Update("ThreadMemberships").
Where(sq.Eq{"PostId": membershipIds}).
Where(sq.Eq{"UserId": userId}).
Set("LastViewed", timestamp).
Set("UnreadMentions", 0).
ToSql()
if _, err := s.GetMaster().Exec(query, args...); err != nil {
return errors.Wrapf(err, "failed to update thread read state for user id=%s", userId)
}
return nil
}
func (s *SqlThreadStore) MarkAsRead(userId, threadId string, timestamp int64) error {
query, args, _ := s.getQueryBuilder().
Update("ThreadMemberships").
Where(sq.Eq{"UserId": userId}).
Where(sq.Eq{"PostId": threadId}).
Set("LastViewed", timestamp).
ToSql()
if _, err := s.GetMaster().Exec(query, args...); err != nil {
return errors.Wrapf(err, "failed to update thread read state for user id=%s thread_id=%v", userId, threadId)
}
return nil
}
func (s *SqlThreadStore) Delete(threadId string) error {
query, args, _ := s.getQueryBuilder().Delete("Threads").Where(sq.Eq{"PostId": threadId}).ToSql()
if _, err := s.GetMaster().Exec(query, args...); err != nil {
return errors.Wrap(err, "failed to update threads")
}
return nil
}
func (s *SqlThreadStore) SaveMembership(membership *model.ThreadMembership) (*model.ThreadMembership, error) {
return s.saveMembership(s.GetMaster(), membership)
}
func (s *SqlThreadStore) saveMembership(ex gorp.SqlExecutor, membership *model.ThreadMembership) (*model.ThreadMembership, error) {
if err := ex.Insert(membership); err != nil {
return nil, errors.Wrapf(err, "failed to save thread membership with postid=%s userid=%s", membership.PostId, membership.UserId)
}
return membership, nil
}
func (s *SqlThreadStore) UpdateMembership(membership *model.ThreadMembership) (*model.ThreadMembership, error) {
return s.updateMembership(s.GetMaster(), membership)
}
func (s *SqlThreadStore) updateMembership(ex gorp.SqlExecutor, membership *model.ThreadMembership) (*model.ThreadMembership, error) {
if _, err := ex.Update(membership); err != nil {
return nil, errors.Wrapf(err, "failed to update thread membership with postid=%s userid=%s", membership.PostId, membership.UserId)
}
return membership, nil
}
func (s *SqlThreadStore) GetMembershipsForUser(userId, teamId string) ([]*model.ThreadMembership, error) {
var memberships []*model.ThreadMembership
query, args, _ := s.getQueryBuilder().
Select("ThreadMemberships.*").
Join("Threads ON Threads.PostId = ThreadMemberships.PostId").
Join("Channels ON Threads.ChannelId = Channels.Id").
From("ThreadMemberships").
Where(sq.Or{sq.Eq{"Channels.TeamId": teamId}, sq.Eq{"Channels.TeamId": ""}}).
Where(sq.Eq{"ThreadMemberships.UserId": userId}).
ToSql()
_, err := s.GetReplica().Select(&memberships, query, args...)
if err != nil {
return nil, errors.Wrapf(err, "failed to get thread membership with userid=%s", userId)
}
return memberships, nil
}
func (s *SqlThreadStore) GetMembershipForUser(userId, postId string) (*model.ThreadMembership, error) {
return s.getMembershipForUser(s.GetReplica(), userId, postId)
}
func (s *SqlThreadStore) getMembershipForUser(ex gorp.SqlExecutor, userId, postId string) (*model.ThreadMembership, error) {
var membership model.ThreadMembership
err := ex.SelectOne(&membership, "SELECT * from ThreadMemberships WHERE UserId = :UserId AND PostId = :PostId", map[string]interface{}{"UserId": userId, "PostId": postId})
if err != nil {
if err == sql.ErrNoRows {
return nil, store.NewErrNotFound("Thread", postId)
}
return nil, errors.Wrapf(err, "failed to get thread membership with userid=%s postid=%s", userId, postId)
}
return &membership, nil
}
func (s *SqlThreadStore) DeleteMembershipForUser(userId string, postId string) error {
if _, err := s.GetMaster().Exec("DELETE FROM ThreadMemberships Where PostId = :PostId AND UserId = :UserId", map[string]interface{}{"PostId": postId, "UserId": userId}); err != nil {
return errors.Wrap(err, "failed to update thread membership")
}
return nil
}
// MaintainMembership creates or updates a thread membership for the given user
// and post. This method is used to update the state of a membership in response
// to some events like:
// - post creation (mentions handling)
// - channel marked unread
// - user explicitly following a thread
func (s *SqlThreadStore) MaintainMembership(userId, postId string, opts store.ThreadMembershipOpts) (*model.ThreadMembership, error) {
trx, err := s.GetMaster().Begin()
if err != nil {
return nil, errors.Wrap(err, "begin_transaction")
}
defer finalizeTransaction(trx)
membership, err := s.getMembershipForUser(trx, userId, postId)
now := utils.MillisFromTime(time.Now())
// if memebership exists, update it if:
// a. user started/stopped following a thread
// b. mention count changed
// c. user viewed a thread
if err == nil {
followingNeedsUpdate := (opts.UpdateFollowing && (membership.Following != opts.Following))
if followingNeedsUpdate || opts.IncrementMentions || opts.UpdateViewedTimestamp {
if followingNeedsUpdate {
membership.Following = opts.Following
}
if opts.UpdateViewedTimestamp {
membership.LastViewed = now
}
membership.LastUpdated = now
if opts.IncrementMentions {
membership.UnreadMentions += 1
}
if _, err = s.updateMembership(trx, membership); err != nil {
return nil, err
}
}
if err = trx.Commit(); err != nil {
return nil, errors.Wrap(err, "commit_transaction")
}
return membership, err
}
var nfErr *store.ErrNotFound
if !errors.As(err, &nfErr) {
return nil, errors.Wrap(err, "failed to get thread membership")
}
membership = &model.ThreadMembership{
PostId: postId,
UserId: userId,
Following: opts.Following,
LastUpdated: now,
}
if opts.IncrementMentions {
membership.UnreadMentions = 1
}
if opts.UpdateViewedTimestamp {
membership.LastViewed = now
}
membership, err = s.saveMembership(trx, membership)
if err != nil {
return nil, err
}
if opts.UpdateParticipants {
thread, getErr := s.get(trx, postId)
if getErr != nil {
return nil, getErr
}
if thread != nil && !thread.Participants.Contains(userId) {
thread.Participants = append(thread.Participants, userId)
if _, err = s.update(trx, thread); err != nil {
return nil, err
}
}
}
if err = trx.Commit(); err != nil {
return nil, errors.Wrap(err, "commit_transaction")
}
return membership, err
}
func (s *SqlThreadStore) CollectThreadsWithNewerReplies(userId string, channelIds []string, timestamp int64) ([]string, error) {
var changedThreads []string
query, args, _ := s.getQueryBuilder().
Select("Threads.PostId").
From("Threads").
LeftJoin("ChannelMembers ON ChannelMembers.ChannelId=Threads.ChannelId").
Where(sq.And{
sq.Eq{"Threads.ChannelId": channelIds},
sq.Eq{"ChannelMembers.UserId": userId},
sq.Or{
sq.Expr("Threads.LastReplyAt > ChannelMembers.LastViewedAt"),
sq.Gt{"Threads.LastReplyAt": timestamp},
},
}).
ToSql()
if _, err := s.GetReplica().Select(&changedThreads, query, args...); err != nil {
return nil, errors.Wrap(err, "failed to fetch threads")
}
return changedThreads, nil
}
func (s *SqlThreadStore) UpdateUnreadsByChannel(userId string, changedThreads []string, timestamp int64, updateViewedTimestamp bool) error {
if len(changedThreads) == 0 {
return nil
}
qb := s.getQueryBuilder().
Update("ThreadMemberships").
Where(sq.Eq{"UserId": userId, "PostId": changedThreads}).
Set("LastUpdated", timestamp)
if updateViewedTimestamp {
qb = qb.Set("LastViewed", timestamp)
}
updateQuery, updateArgs, _ := qb.ToSql()
if _, err := s.GetMaster().Exec(updateQuery, updateArgs...); err != nil {
return errors.Wrap(err, "failed to update thread membership")
}
return nil
}
func (s *SqlThreadStore) GetPosts(threadId string, since int64) ([]*model.Post, error) {
query, args, _ := s.getQueryBuilder().
Select("*").
From("Posts").
Where(sq.Eq{"RootId": threadId}).
Where(sq.Eq{"DeleteAt": 0}).
Where(sq.GtOrEq{"UpdateAt": since}).ToSql()
var result []*model.Post
if _, err := s.GetReplica().Select(&result, query, args...); err != nil {
return nil, errors.Wrap(err, "failed to fetch thread posts")
}
return result, nil
}
// PermanentDeleteBatchForRetentionPolicies deletes a batch of records which are affected by
// the global or a granular retention policy.
// See `genericPermanentDeleteBatchForRetentionPolicies` for details.
func (s *SqlThreadStore) PermanentDeleteBatchForRetentionPolicies(now, globalPolicyEndTime, limit int64, cursor model.RetentionPolicyCursor) (int64, model.RetentionPolicyCursor, error) {
builder := s.getQueryBuilder().
Select("Threads.PostId").
From("Threads")
return genericPermanentDeleteBatchForRetentionPolicies(RetentionPolicyBatchDeletionInfo{
BaseBuilder: builder,
Table: "Threads",
TimeColumn: "LastReplyAt",
PrimaryKeys: []string{"PostId"},
ChannelIDTable: "Threads",
NowMillis: now,
GlobalPolicyEndTime: globalPolicyEndTime,
Limit: limit,
}, s.SqlStore, cursor)
}
// PermanentDeleteBatchThreadMembershipsForRetentionPolicies deletes a batch of records
// which are affected by the global or a granular retention policy.
// See `genericPermanentDeleteBatchForRetentionPolicies` for details.
func (s *SqlThreadStore) PermanentDeleteBatchThreadMembershipsForRetentionPolicies(now, globalPolicyEndTime, limit int64, cursor model.RetentionPolicyCursor) (int64, model.RetentionPolicyCursor, error) {
builder := s.getQueryBuilder().
Select("ThreadMemberships.PostId").
From("ThreadMemberships").
InnerJoin("Threads ON ThreadMemberships.PostId = Threads.PostId")
return genericPermanentDeleteBatchForRetentionPolicies(RetentionPolicyBatchDeletionInfo{
BaseBuilder: builder,
Table: "ThreadMemberships",
TimeColumn: "LastUpdated",
PrimaryKeys: []string{"PostId"},
ChannelIDTable: "Threads",
NowMillis: now,
GlobalPolicyEndTime: globalPolicyEndTime,
Limit: limit,
}, s.SqlStore, cursor)
}
// DeleteOrphanedRows removes orphaned rows from Threads and ThreadMemberships
func (s *SqlThreadStore) DeleteOrphanedRows(limit int) (deleted int64, err error) {
// We need the extra level of nesting to deal with MySQL's locking
const threadsQuery = `
DELETE FROM Threads WHERE PostId IN (
SELECT * FROM (
SELECT Threads.PostId FROM Threads
LEFT JOIN Channels ON Threads.ChannelId = Channels.Id
WHERE Channels.Id IS NULL
LIMIT :Limit
) AS A
)`
// We only delete a thread membership if the entire thread no longer exists,
// not if the root post has been deleted
const threadMembershipsQuery = `
DELETE FROM ThreadMemberships WHERE PostId IN (
SELECT * FROM (
SELECT ThreadMemberships.PostId FROM ThreadMemberships
LEFT JOIN Threads ON ThreadMemberships.PostId = Threads.PostId
WHERE Threads.PostId IS NULL
LIMIT :Limit
) AS A
)`
props := map[string]interface{}{"Limit": limit}
result, err := s.GetMaster().Exec(threadsQuery, props)
if err != nil {
return
}
rpcDeleted, err := result.RowsAffected()
if err != nil {
return
}
result, err = s.GetMaster().Exec(threadMembershipsQuery, props)
if err != nil {
return
}
rptDeleted, err := result.RowsAffected()
if err != nil {
return
}
deleted = rpcDeleted + rptDeleted
return
}