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post_store.go
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post_store.go
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// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
package sqlstore
import (
"fmt"
"net/http"
"regexp"
"strconv"
"strings"
"sync"
sq "github.com/Masterminds/squirrel"
"github.com/mattermost/mattermost-server/einterfaces"
"github.com/mattermost/mattermost-server/mlog"
"github.com/mattermost/mattermost-server/model"
"github.com/mattermost/mattermost-server/store"
"github.com/mattermost/mattermost-server/utils"
)
type SqlPostStore struct {
SqlStore
metrics einterfaces.MetricsInterface
lastPostTimeCache *utils.Cache
lastPostsCache *utils.Cache
maxPostSizeOnce sync.Once
maxPostSizeCached int
}
const (
LAST_POST_TIME_CACHE_SIZE = 25000
LAST_POST_TIME_CACHE_SEC = 900 // 15 minutes
LAST_POSTS_CACHE_SIZE = 1000
LAST_POSTS_CACHE_SEC = 900 // 15 minutes
)
func (s *SqlPostStore) ClearCaches() {
s.lastPostTimeCache.Purge()
s.lastPostsCache.Purge()
if s.metrics != nil {
s.metrics.IncrementMemCacheInvalidationCounter("Last Post Time - Purge")
s.metrics.IncrementMemCacheInvalidationCounter("Last Posts Cache - Purge")
}
}
func NewSqlPostStore(sqlStore SqlStore, metrics einterfaces.MetricsInterface) store.PostStore {
s := &SqlPostStore{
SqlStore: sqlStore,
metrics: metrics,
lastPostTimeCache: utils.NewLru(LAST_POST_TIME_CACHE_SIZE),
lastPostsCache: utils.NewLru(LAST_POSTS_CACHE_SIZE),
maxPostSizeCached: model.POST_MESSAGE_MAX_RUNES_V1,
}
for _, db := range sqlStore.GetAllConns() {
table := db.AddTableWithName(model.Post{}, "Posts").SetKeys(false, "Id")
table.ColMap("Id").SetMaxSize(26)
table.ColMap("UserId").SetMaxSize(26)
table.ColMap("ChannelId").SetMaxSize(26)
table.ColMap("RootId").SetMaxSize(26)
table.ColMap("ParentId").SetMaxSize(26)
table.ColMap("OriginalId").SetMaxSize(26)
table.ColMap("Message").SetMaxSize(model.POST_MESSAGE_MAX_BYTES_V2)
table.ColMap("Type").SetMaxSize(26)
table.ColMap("Hashtags").SetMaxSize(1000)
table.ColMap("Props").SetMaxSize(8000)
table.ColMap("Filenames").SetMaxSize(model.POST_FILENAMES_MAX_RUNES)
table.ColMap("FileIds").SetMaxSize(150)
}
return s
}
func (s *SqlPostStore) CreateIndexesIfNotExists() {
s.CreateIndexIfNotExists("idx_posts_update_at", "Posts", "UpdateAt")
s.CreateIndexIfNotExists("idx_posts_create_at", "Posts", "CreateAt")
s.CreateIndexIfNotExists("idx_posts_delete_at", "Posts", "DeleteAt")
s.CreateIndexIfNotExists("idx_posts_channel_id", "Posts", "ChannelId")
s.CreateIndexIfNotExists("idx_posts_root_id", "Posts", "RootId")
s.CreateIndexIfNotExists("idx_posts_user_id", "Posts", "UserId")
s.CreateIndexIfNotExists("idx_posts_is_pinned", "Posts", "IsPinned")
s.CreateCompositeIndexIfNotExists("idx_posts_channel_id_update_at", "Posts", []string{"ChannelId", "UpdateAt"})
s.CreateCompositeIndexIfNotExists("idx_posts_channel_id_delete_at_create_at", "Posts", []string{"ChannelId", "DeleteAt", "CreateAt"})
s.CreateFullTextIndexIfNotExists("idx_posts_message_txt", "Posts", "Message")
s.CreateFullTextIndexIfNotExists("idx_posts_hashtags_txt", "Posts", "Hashtags")
}
func (s *SqlPostStore) Save(post *model.Post) store.StoreChannel {
return store.Do(func(result *store.StoreResult) {
if len(post.Id) > 0 {
result.Err = model.NewAppError("SqlPostStore.Save", "store.sql_post.save.existing.app_error", nil, "id="+post.Id, http.StatusBadRequest)
return
}
var maxPostSize int
if result := <-s.GetMaxPostSize(); result.Err != nil {
result.Err = model.NewAppError("SqlPostStore.Save", "store.sql_post.save.app_error", nil, "id="+post.Id+", "+result.Err.Error(), http.StatusInternalServerError)
return
} else {
maxPostSize = result.Data.(int)
}
post.PreSave()
if result.Err = post.IsValid(maxPostSize); result.Err != nil {
return
}
if err := s.GetMaster().Insert(post); err != nil {
result.Err = model.NewAppError("SqlPostStore.Save", "store.sql_post.save.app_error", nil, "id="+post.Id+", "+err.Error(), http.StatusInternalServerError)
} else {
time := post.UpdateAt
if post.Type != model.POST_JOIN_LEAVE && post.Type != model.POST_ADD_REMOVE &&
post.Type != model.POST_JOIN_CHANNEL && post.Type != model.POST_LEAVE_CHANNEL &&
post.Type != model.POST_JOIN_TEAM && post.Type != model.POST_LEAVE_TEAM &&
post.Type != model.POST_ADD_TO_CHANNEL && post.Type != model.POST_REMOVE_FROM_CHANNEL &&
post.Type != model.POST_ADD_TO_TEAM && post.Type != model.POST_REMOVE_FROM_TEAM {
s.GetMaster().Exec("UPDATE Channels SET LastPostAt = GREATEST(:LastPostAt, LastPostAt), TotalMsgCount = TotalMsgCount + 1 WHERE Id = :ChannelId", map[string]interface{}{"LastPostAt": time, "ChannelId": post.ChannelId})
} else {
// don't update TotalMsgCount for unimportant messages so that the channel isn't marked as unread
s.GetMaster().Exec("UPDATE Channels SET LastPostAt = :LastPostAt WHERE Id = :ChannelId AND LastPostAt < :LastPostAt", map[string]interface{}{"LastPostAt": time, "ChannelId": post.ChannelId})
}
if len(post.RootId) > 0 {
s.GetMaster().Exec("UPDATE Posts SET UpdateAt = :UpdateAt WHERE Id = :RootId", map[string]interface{}{"UpdateAt": time, "RootId": post.RootId})
}
result.Data = post
}
})
}
func (s *SqlPostStore) Update(newPost *model.Post, oldPost *model.Post) store.StoreChannel {
return store.Do(func(result *store.StoreResult) {
newPost.UpdateAt = model.GetMillis()
newPost.PreCommit()
oldPost.DeleteAt = newPost.UpdateAt
oldPost.UpdateAt = newPost.UpdateAt
oldPost.OriginalId = oldPost.Id
oldPost.Id = model.NewId()
oldPost.PreCommit()
var maxPostSize int
if result := <-s.GetMaxPostSize(); result.Err != nil {
result.Err = model.NewAppError("SqlPostStore.Save", "store.sql_post.update.app_error", nil, "id="+newPost.Id+", "+result.Err.Error(), http.StatusInternalServerError)
return
} else {
maxPostSize = result.Data.(int)
}
if result.Err = newPost.IsValid(maxPostSize); result.Err != nil {
return
}
if _, err := s.GetMaster().Update(newPost); err != nil {
result.Err = model.NewAppError("SqlPostStore.Update", "store.sql_post.update.app_error", nil, "id="+newPost.Id+", "+err.Error(), http.StatusInternalServerError)
} else {
time := model.GetMillis()
s.GetMaster().Exec("UPDATE Channels SET LastPostAt = :LastPostAt WHERE Id = :ChannelId AND LastPostAt < :LastPostAt", map[string]interface{}{"LastPostAt": time, "ChannelId": newPost.ChannelId})
if len(newPost.RootId) > 0 {
s.GetMaster().Exec("UPDATE Posts SET UpdateAt = :UpdateAt WHERE Id = :RootId AND UpdateAt < :UpdateAt", map[string]interface{}{"UpdateAt": time, "RootId": newPost.RootId})
}
// mark the old post as deleted
s.GetMaster().Insert(oldPost)
result.Data = newPost
}
})
}
func (s *SqlPostStore) Overwrite(post *model.Post) store.StoreChannel {
return store.Do(func(result *store.StoreResult) {
post.UpdateAt = model.GetMillis()
var maxPostSize int
if result := <-s.GetMaxPostSize(); result.Err != nil {
result.Err = model.NewAppError("SqlPostStore.Save", "store.sql_post.overwrite.app_error", nil, "id="+post.Id+", "+result.Err.Error(), http.StatusInternalServerError)
return
} else {
maxPostSize = result.Data.(int)
}
if result.Err = post.IsValid(maxPostSize); result.Err != nil {
return
}
if _, err := s.GetMaster().Update(post); err != nil {
result.Err = model.NewAppError("SqlPostStore.Overwrite", "store.sql_post.overwrite.app_error", nil, "id="+post.Id+", "+err.Error(), http.StatusInternalServerError)
} else {
result.Data = post
}
})
}
func (s *SqlPostStore) GetFlaggedPosts(userId string, offset int, limit int) store.StoreChannel {
return store.Do(func(result *store.StoreResult) {
pl := model.NewPostList()
var posts []*model.Post
if _, err := s.GetReplica().Select(&posts, "SELECT * FROM Posts WHERE Id IN (SELECT Name FROM Preferences WHERE UserId = :UserId AND Category = :Category) AND DeleteAt = 0 ORDER BY CreateAt DESC LIMIT :Limit OFFSET :Offset", map[string]interface{}{"UserId": userId, "Category": model.PREFERENCE_CATEGORY_FLAGGED_POST, "Offset": offset, "Limit": limit}); err != nil {
result.Err = model.NewAppError("SqlPostStore.GetFlaggedPosts", "store.sql_post.get_flagged_posts.app_error", nil, err.Error(), http.StatusInternalServerError)
} else {
for _, post := range posts {
pl.AddPost(post)
pl.AddOrder(post.Id)
}
}
result.Data = pl
})
}
func (s *SqlPostStore) GetFlaggedPostsForTeam(userId, teamId string, offset int, limit int) store.StoreChannel {
return store.Do(func(result *store.StoreResult) {
pl := model.NewPostList()
var posts []*model.Post
query := `
SELECT
A.*
FROM
(SELECT
*
FROM
Posts
WHERE
Id
IN
(SELECT
Name
FROM
Preferences
WHERE
UserId = :UserId
AND Category = :Category)
AND DeleteAt = 0
) as A
INNER JOIN Channels as B
ON B.Id = A.ChannelId
WHERE B.TeamId = :TeamId OR B.TeamId = ''
ORDER BY CreateAt DESC
LIMIT :Limit OFFSET :Offset`
if _, err := s.GetReplica().Select(&posts, query, map[string]interface{}{"UserId": userId, "Category": model.PREFERENCE_CATEGORY_FLAGGED_POST, "Offset": offset, "Limit": limit, "TeamId": teamId}); err != nil {
result.Err = model.NewAppError("SqlPostStore.GetFlaggedPostsForTeam", "store.sql_post.get_flagged_posts.app_error", nil, err.Error(), http.StatusInternalServerError)
} else {
for _, post := range posts {
pl.AddPost(post)
pl.AddOrder(post.Id)
}
}
result.Data = pl
})
}
func (s *SqlPostStore) GetFlaggedPostsForChannel(userId, channelId string, offset int, limit int) store.StoreChannel {
return store.Do(func(result *store.StoreResult) {
pl := model.NewPostList()
var posts []*model.Post
query := `
SELECT
*
FROM Posts
WHERE
Id IN (SELECT Name FROM Preferences WHERE UserId = :UserId AND Category = :Category)
AND ChannelId = :ChannelId
AND DeleteAt = 0
ORDER BY CreateAt DESC
LIMIT :Limit OFFSET :Offset`
if _, err := s.GetReplica().Select(&posts, query, map[string]interface{}{"UserId": userId, "Category": model.PREFERENCE_CATEGORY_FLAGGED_POST, "ChannelId": channelId, "Offset": offset, "Limit": limit}); err != nil {
result.Err = model.NewAppError("SqlPostStore.GetFlaggedPostsForChannel", "store.sql_post.get_flagged_posts.app_error", nil, err.Error(), http.StatusInternalServerError)
} else {
for _, post := range posts {
pl.AddPost(post)
pl.AddOrder(post.Id)
}
}
result.Data = pl
})
}
func (s *SqlPostStore) Get(id string) store.StoreChannel {
return store.Do(func(result *store.StoreResult) {
pl := model.NewPostList()
if len(id) == 0 {
result.Err = model.NewAppError("SqlPostStore.GetPost", "store.sql_post.get.app_error", nil, "id="+id, http.StatusBadRequest)
return
}
var post model.Post
err := s.GetReplica().SelectOne(&post, "SELECT * FROM Posts WHERE Id = :Id AND DeleteAt = 0", map[string]interface{}{"Id": id})
if err != nil {
result.Err = model.NewAppError("SqlPostStore.GetPost", "store.sql_post.get.app_error", nil, "id="+id+err.Error(), http.StatusNotFound)
return
}
pl.AddPost(&post)
pl.AddOrder(id)
rootId := post.RootId
if rootId == "" {
rootId = post.Id
}
if len(rootId) == 0 {
result.Err = model.NewAppError("SqlPostStore.GetPost", "store.sql_post.get.app_error", nil, "root_id="+rootId, http.StatusInternalServerError)
return
}
var posts []*model.Post
_, err = s.GetReplica().Select(&posts, "SELECT * FROM Posts WHERE (Id = :Id OR RootId = :RootId) AND DeleteAt = 0", map[string]interface{}{"Id": rootId, "RootId": rootId})
if err != nil {
result.Err = model.NewAppError("SqlPostStore.GetPost", "store.sql_post.get.app_error", nil, "root_id="+rootId+err.Error(), http.StatusInternalServerError)
return
} else {
for _, p := range posts {
pl.AddPost(p)
}
}
result.Data = pl
})
}
func (s *SqlPostStore) GetSingle(id string) store.StoreChannel {
return store.Do(func(result *store.StoreResult) {
var post model.Post
err := s.GetReplica().SelectOne(&post, "SELECT * FROM Posts WHERE Id = :Id AND DeleteAt = 0", map[string]interface{}{"Id": id})
if err != nil {
result.Err = model.NewAppError("SqlPostStore.GetSingle", "store.sql_post.get.app_error", nil, "id="+id+err.Error(), http.StatusNotFound)
}
result.Data = &post
})
}
type etagPosts struct {
Id string
UpdateAt int64
}
func (s *SqlPostStore) InvalidateLastPostTimeCache(channelId string) {
s.lastPostTimeCache.Remove(channelId)
// Keys are "{channelid}{limit}" and caching only occurs on limits of 30 and 60
s.lastPostsCache.Remove(channelId + "30")
s.lastPostsCache.Remove(channelId + "60")
if s.metrics != nil {
s.metrics.IncrementMemCacheInvalidationCounter("Last Post Time - Remove by Channel Id")
s.metrics.IncrementMemCacheInvalidationCounter("Last Posts Cache - Remove by Channel Id")
}
}
func (s *SqlPostStore) GetEtag(channelId string, allowFromCache bool) store.StoreChannel {
return store.Do(func(result *store.StoreResult) {
if allowFromCache {
if cacheItem, ok := s.lastPostTimeCache.Get(channelId); ok {
if s.metrics != nil {
s.metrics.IncrementMemCacheHitCounter("Last Post Time")
}
result.Data = fmt.Sprintf("%v.%v", model.CurrentVersion, cacheItem.(int64))
return
} else {
if s.metrics != nil {
s.metrics.IncrementMemCacheMissCounter("Last Post Time")
}
}
} else {
if s.metrics != nil {
s.metrics.IncrementMemCacheMissCounter("Last Post Time")
}
}
var et etagPosts
err := s.GetReplica().SelectOne(&et, "SELECT Id, UpdateAt FROM Posts WHERE ChannelId = :ChannelId ORDER BY UpdateAt DESC LIMIT 1", map[string]interface{}{"ChannelId": channelId})
if err != nil {
result.Data = fmt.Sprintf("%v.%v", model.CurrentVersion, model.GetMillis())
} else {
result.Data = fmt.Sprintf("%v.%v", model.CurrentVersion, et.UpdateAt)
}
s.lastPostTimeCache.AddWithExpiresInSecs(channelId, et.UpdateAt, LAST_POST_TIME_CACHE_SEC)
})
}
func (s *SqlPostStore) Delete(postId string, time int64, deleteByID string) store.StoreChannel {
return store.Do(func(result *store.StoreResult) {
appErr := func(errMsg string) *model.AppError {
return model.NewAppError("SqlPostStore.Delete", "store.sql_post.delete.app_error", nil, "id="+postId+", err="+errMsg, http.StatusInternalServerError)
}
var post model.Post
err := s.GetReplica().SelectOne(&post, "SELECT * FROM Posts WHERE Id = :Id AND DeleteAt = 0", map[string]interface{}{"Id": postId})
if err != nil {
result.Err = appErr(err.Error())
}
post.Props[model.POST_PROPS_DELETE_BY] = deleteByID
_, err = s.GetMaster().Exec("UPDATE Posts SET DeleteAt = :DeleteAt, UpdateAt = :UpdateAt, Props = :Props WHERE Id = :Id OR RootId = :RootId", map[string]interface{}{"DeleteAt": time, "UpdateAt": time, "Id": postId, "RootId": postId, "Props": model.StringInterfaceToJson(post.Props)})
if err != nil {
result.Err = appErr(err.Error())
}
})
}
func (s *SqlPostStore) permanentDelete(postId string) store.StoreChannel {
return store.Do(func(result *store.StoreResult) {
_, err := s.GetMaster().Exec("DELETE FROM Posts WHERE Id = :Id OR RootId = :RootId", map[string]interface{}{"Id": postId, "RootId": postId})
if err != nil {
result.Err = model.NewAppError("SqlPostStore.Delete", "store.sql_post.permanent_delete.app_error", nil, "id="+postId+", err="+err.Error(), http.StatusInternalServerError)
}
})
}
func (s *SqlPostStore) permanentDeleteAllCommentByUser(userId string) store.StoreChannel {
return store.Do(func(result *store.StoreResult) {
_, err := s.GetMaster().Exec("DELETE FROM Posts WHERE UserId = :UserId AND RootId != ''", map[string]interface{}{"UserId": userId})
if err != nil {
result.Err = model.NewAppError("SqlPostStore.permanentDeleteAllCommentByUser", "store.sql_post.permanent_delete_all_comments_by_user.app_error", nil, "userId="+userId+", err="+err.Error(), http.StatusInternalServerError)
}
})
}
func (s *SqlPostStore) PermanentDeleteByUser(userId string) store.StoreChannel {
return store.Do(func(result *store.StoreResult) {
// First attempt to delete all the comments for a user
if r := <-s.permanentDeleteAllCommentByUser(userId); r.Err != nil {
result.Err = r.Err
return
}
// Now attempt to delete all the root posts for a user. This will also
// delete all the comments for each post.
found := true
count := 0
for found {
var ids []string
_, err := s.GetMaster().Select(&ids, "SELECT Id FROM Posts WHERE UserId = :UserId LIMIT 1000", map[string]interface{}{"UserId": userId})
if err != nil {
result.Err = model.NewAppError("SqlPostStore.PermanentDeleteByUser.select", "store.sql_post.permanent_delete_by_user.app_error", nil, "userId="+userId+", err="+err.Error(), http.StatusInternalServerError)
return
} else {
found = false
for _, id := range ids {
found = true
if r := <-s.permanentDelete(id); r.Err != nil {
result.Err = r.Err
return
}
}
}
// This is a fail safe, give up if more than 10K messages
count = count + 1
if count >= 10 {
result.Err = model.NewAppError("SqlPostStore.PermanentDeleteByUser.toolarge", "store.sql_post.permanent_delete_by_user.too_many.app_error", nil, "userId="+userId, http.StatusInternalServerError)
return
}
}
})
}
func (s *SqlPostStore) PermanentDeleteByChannel(channelId string) store.StoreChannel {
return store.Do(func(result *store.StoreResult) {
if _, err := s.GetMaster().Exec("DELETE FROM Posts WHERE ChannelId = :ChannelId", map[string]interface{}{"ChannelId": channelId}); err != nil {
result.Err = model.NewAppError("SqlPostStore.PermanentDeleteByChannel", "store.sql_post.permanent_delete_by_channel.app_error", nil, "channel_id="+channelId+", "+err.Error(), http.StatusInternalServerError)
}
})
}
func (s *SqlPostStore) GetPosts(channelId string, offset int, limit int, allowFromCache bool) store.StoreChannel {
return store.Do(func(result *store.StoreResult) {
if limit > 1000 {
result.Err = model.NewAppError("SqlPostStore.GetLinearPosts", "store.sql_post.get_posts.app_error", nil, "channelId="+channelId, http.StatusBadRequest)
return
}
// Caching only occurs on limits of 30 and 60, the common limits requested by MM clients
if allowFromCache && offset == 0 && (limit == 60 || limit == 30) {
if cacheItem, ok := s.lastPostsCache.Get(fmt.Sprintf("%s%v", channelId, limit)); ok {
if s.metrics != nil {
s.metrics.IncrementMemCacheHitCounter("Last Posts Cache")
}
result.Data = cacheItem.(*model.PostList)
return
} else {
if s.metrics != nil {
s.metrics.IncrementMemCacheMissCounter("Last Posts Cache")
}
}
} else {
if s.metrics != nil {
s.metrics.IncrementMemCacheMissCounter("Last Posts Cache")
}
}
rpc := s.getRootPosts(channelId, offset, limit)
cpc := s.getParentsPosts(channelId, offset, limit)
if rpr := <-rpc; rpr.Err != nil {
result.Err = rpr.Err
} else if cpr := <-cpc; cpr.Err != nil {
result.Err = cpr.Err
} else {
posts := rpr.Data.([]*model.Post)
parents := cpr.Data.([]*model.Post)
list := model.NewPostList()
for _, p := range posts {
list.AddPost(p)
list.AddOrder(p.Id)
}
for _, p := range parents {
list.AddPost(p)
}
list.MakeNonNil()
// Caching only occurs on limits of 30 and 60, the common limits requested by MM clients
if offset == 0 && (limit == 60 || limit == 30) {
s.lastPostsCache.AddWithExpiresInSecs(fmt.Sprintf("%s%v", channelId, limit), list, LAST_POSTS_CACHE_SEC)
}
result.Data = list
}
})
}
func (s *SqlPostStore) GetPostsSince(channelId string, time int64, allowFromCache bool) store.StoreChannel {
return store.Do(func(result *store.StoreResult) {
if allowFromCache {
// If the last post in the channel's time is less than or equal to the time we are getting posts since,
// we can safely return no posts.
if cacheItem, ok := s.lastPostTimeCache.Get(channelId); ok && cacheItem.(int64) <= time {
if s.metrics != nil {
s.metrics.IncrementMemCacheHitCounter("Last Post Time")
}
list := model.NewPostList()
result.Data = list
return
} else {
if s.metrics != nil {
s.metrics.IncrementMemCacheMissCounter("Last Post Time")
}
}
} else {
if s.metrics != nil {
s.metrics.IncrementMemCacheMissCounter("Last Post Time")
}
}
var posts []*model.Post
_, err := s.GetReplica().Select(&posts,
`(SELECT
*
FROM
Posts
WHERE
(UpdateAt > :Time
AND ChannelId = :ChannelId)
LIMIT 1000)
UNION
(SELECT
*
FROM
Posts
WHERE
Id
IN
(SELECT * FROM (SELECT
RootId
FROM
Posts
WHERE
UpdateAt > :Time
AND ChannelId = :ChannelId
LIMIT 1000) temp_tab))
ORDER BY CreateAt DESC`,
map[string]interface{}{"ChannelId": channelId, "Time": time})
if err != nil {
result.Err = model.NewAppError("SqlPostStore.GetPostsSince", "store.sql_post.get_posts_since.app_error", nil, "channelId="+channelId+err.Error(), http.StatusInternalServerError)
} else {
list := model.NewPostList()
var latestUpdate int64 = 0
for _, p := range posts {
list.AddPost(p)
if p.UpdateAt > time {
list.AddOrder(p.Id)
}
if latestUpdate < p.UpdateAt {
latestUpdate = p.UpdateAt
}
}
s.lastPostTimeCache.AddWithExpiresInSecs(channelId, latestUpdate, LAST_POST_TIME_CACHE_SEC)
result.Data = list
}
})
}
func (s *SqlPostStore) GetPostsBefore(channelId string, postId string, numPosts int, offset int) store.StoreChannel {
return s.getPostsAround(channelId, postId, numPosts, offset, true)
}
func (s *SqlPostStore) GetPostsAfter(channelId string, postId string, numPosts int, offset int) store.StoreChannel {
return s.getPostsAround(channelId, postId, numPosts, offset, false)
}
func (s *SqlPostStore) getPostsAround(channelId string, postId string, numPosts int, offset int, before bool) store.StoreChannel {
return store.Do(func(result *store.StoreResult) {
var direction string
var sort string
if before {
direction = "<"
sort = "DESC"
} else {
direction = ">"
sort = "ASC"
}
var posts []*model.Post
var parents []*model.Post
_, err1 := s.GetReplica().Select(&posts,
`(SELECT
*
FROM
Posts
WHERE
(CreateAt `+direction+` (SELECT CreateAt FROM Posts WHERE Id = :PostId)
AND ChannelId = :ChannelId
AND DeleteAt = 0)
ORDER BY CreateAt `+sort+`
LIMIT :NumPosts
OFFSET :Offset)`,
map[string]interface{}{"ChannelId": channelId, "PostId": postId, "NumPosts": numPosts, "Offset": offset})
_, err2 := s.GetReplica().Select(&parents,
`(SELECT
*
FROM
Posts
WHERE
Id
IN
(SELECT * FROM (SELECT
RootId
FROM
Posts
WHERE
(CreateAt `+direction+` (SELECT CreateAt FROM Posts WHERE Id = :PostId)
AND ChannelId = :ChannelId
AND DeleteAt = 0)
ORDER BY CreateAt `+sort+`
LIMIT :NumPosts
OFFSET :Offset)
temp_tab))
ORDER BY CreateAt DESC`,
map[string]interface{}{"ChannelId": channelId, "PostId": postId, "NumPosts": numPosts, "Offset": offset})
if err1 != nil {
result.Err = model.NewAppError("SqlPostStore.GetPostContext", "store.sql_post.get_posts_around.get.app_error", nil, "channelId="+channelId+err1.Error(), http.StatusInternalServerError)
} else if err2 != nil {
result.Err = model.NewAppError("SqlPostStore.GetPostContext", "store.sql_post.get_posts_around.get_parent.app_error", nil, "channelId="+channelId+err2.Error(), http.StatusInternalServerError)
} else {
list := model.NewPostList()
// We need to flip the order if we selected backwards
if before {
for _, p := range posts {
list.AddPost(p)
list.AddOrder(p.Id)
}
} else {
l := len(posts)
for i := range posts {
list.AddPost(posts[l-i-1])
list.AddOrder(posts[l-i-1].Id)
}
}
for _, p := range parents {
list.AddPost(p)
}
result.Data = list
}
})
}
func (s *SqlPostStore) getRootPosts(channelId string, offset int, limit int) store.StoreChannel {
return store.Do(func(result *store.StoreResult) {
var posts []*model.Post
_, err := s.GetReplica().Select(&posts, "SELECT * FROM Posts WHERE ChannelId = :ChannelId AND DeleteAt = 0 ORDER BY CreateAt DESC LIMIT :Limit OFFSET :Offset", map[string]interface{}{"ChannelId": channelId, "Offset": offset, "Limit": limit})
if err != nil {
result.Err = model.NewAppError("SqlPostStore.GetLinearPosts", "store.sql_post.get_root_posts.app_error", nil, "channelId="+channelId+err.Error(), http.StatusInternalServerError)
} else {
result.Data = posts
}
})
}
func (s *SqlPostStore) getParentsPosts(channelId string, offset int, limit int) store.StoreChannel {
return store.Do(func(result *store.StoreResult) {
var posts []*model.Post
_, err := s.GetReplica().Select(&posts,
`SELECT
q2.*
FROM
Posts q2
INNER JOIN
(SELECT DISTINCT
q3.RootId
FROM
(SELECT
RootId
FROM
Posts
WHERE
ChannelId = :ChannelId1
AND DeleteAt = 0
ORDER BY CreateAt DESC
LIMIT :Limit OFFSET :Offset) q3
WHERE q3.RootId != '') q1
ON q1.RootId = q2.Id OR q1.RootId = q2.RootId
WHERE
ChannelId = :ChannelId2
AND DeleteAt = 0
ORDER BY CreateAt`,
map[string]interface{}{"ChannelId1": channelId, "Offset": offset, "Limit": limit, "ChannelId2": channelId})
if err != nil {
result.Err = model.NewAppError("SqlPostStore.GetLinearPosts", "store.sql_post.get_parents_posts.app_error", nil, "channelId="+channelId+" err="+err.Error(), http.StatusInternalServerError)
} else {
result.Data = posts
}
})
}
var specialSearchChar = []string{
"<",
">",
"+",
"-",
"(",
")",
"~",
"@",
":",
}
func (s *SqlPostStore) Search(teamId string, userId string, params *model.SearchParams) store.StoreChannel {
return store.Do(func(result *store.StoreResult) {
queryParams := map[string]interface{}{
"TeamId": teamId,
"UserId": userId,
}
termMap := map[string]bool{}
terms := params.Terms
if terms == "" && len(params.InChannels) == 0 && len(params.FromUsers) == 0 && len(params.OnDate) == 0 && len(params.AfterDate) == 0 && len(params.BeforeDate) == 0 {
result.Data = []*model.Post{}
return
}
searchType := "Message"
if params.IsHashtag {
searchType = "Hashtags"
for _, term := range strings.Split(terms, " ") {
termMap[strings.ToUpper(term)] = true
}
}
// these chars have special meaning and can be treated as spaces
for _, c := range specialSearchChar {
terms = strings.Replace(terms, c, " ", -1)
}
var posts []*model.Post
deletedQueryPart := "AND DeleteAt = 0"
if params.IncludeDeletedChannels {
deletedQueryPart = ""
}
userIdPart := "AND UserId = :UserId"
if params.SearchWithoutUserId {
userIdPart = ""
}
searchQuery := `
SELECT
*
FROM
Posts
WHERE
DeleteAt = 0
AND Type NOT LIKE '` + model.POST_SYSTEM_MESSAGE_PREFIX + `%'
POST_FILTER
AND ChannelId IN (
SELECT
Id
FROM
Channels,
ChannelMembers
WHERE
Id = ChannelId
AND (TeamId = :TeamId OR TeamId = '')
` + userIdPart + `
` + deletedQueryPart + `
CHANNEL_FILTER)
CREATEDATE_CLAUSE
SEARCH_CLAUSE
ORDER BY CreateAt DESC
LIMIT 100`
if len(params.InChannels) > 1 {
inClause := ":InChannel0"
queryParams["InChannel0"] = params.InChannels[0]
for i := 1; i < len(params.InChannels); i++ {
paramName := "InChannel" + strconv.FormatInt(int64(i), 10)
inClause += ", :" + paramName
queryParams[paramName] = params.InChannels[i]
}
searchQuery = strings.Replace(searchQuery, "CHANNEL_FILTER", "AND Name IN ("+inClause+")", 1)
} else if len(params.InChannels) == 1 {
queryParams["InChannel"] = params.InChannels[0]
searchQuery = strings.Replace(searchQuery, "CHANNEL_FILTER", "AND Name = :InChannel", 1)
} else {
searchQuery = strings.Replace(searchQuery, "CHANNEL_FILTER", "", 1)
}
if len(params.FromUsers) > 1 {
inClause := ":FromUser0"
queryParams["FromUser0"] = params.FromUsers[0]
for i := 1; i < len(params.FromUsers); i++ {
paramName := "FromUser" + strconv.FormatInt(int64(i), 10)
inClause += ", :" + paramName
queryParams[paramName] = params.FromUsers[i]
}
searchQuery = strings.Replace(searchQuery, "POST_FILTER", `
AND UserId IN (
SELECT
Id
FROM
Users,
TeamMembers
WHERE
TeamMembers.TeamId = :TeamId
AND Users.Id = TeamMembers.UserId
AND Username IN (`+inClause+`))`, 1)
} else if len(params.FromUsers) == 1 {
queryParams["FromUser"] = params.FromUsers[0]
searchQuery = strings.Replace(searchQuery, "POST_FILTER", `
AND UserId IN (
SELECT
Id
FROM
Users,
TeamMembers
WHERE
TeamMembers.TeamId = :TeamId
AND Users.Id = TeamMembers.UserId
AND Username = :FromUser)`, 1)
} else {
searchQuery = strings.Replace(searchQuery, "POST_FILTER", "", 1)
}
// handle after: before: on: filters
if len(params.AfterDate) > 1 || len(params.BeforeDate) > 1 || len(params.OnDate) > 1 {
if len(params.OnDate) > 1 {
onDateStart, onDateEnd := params.GetOnDateMillis()
queryParams["OnDateStart"] = strconv.FormatInt(onDateStart, 10)
queryParams["OnDateEnd"] = strconv.FormatInt(onDateEnd, 10)
// between `on date` start of day and end of day
searchQuery = strings.Replace(searchQuery, "CREATEDATE_CLAUSE", "AND CreateAt BETWEEN :OnDateStart AND :OnDateEnd ", 1)
} else if len(params.AfterDate) > 1 && len(params.BeforeDate) > 1 {
afterDate := params.GetAfterDateMillis()
beforeDate := params.GetBeforeDateMillis()
queryParams["OnDateStart"] = strconv.FormatInt(afterDate, 10)
queryParams["OnDateEnd"] = strconv.FormatInt(beforeDate, 10)
// between clause
searchQuery = strings.Replace(searchQuery, "CREATEDATE_CLAUSE", "AND CreateAt BETWEEN :OnDateStart AND :OnDateEnd ", 1)
} else if len(params.AfterDate) > 1 {
afterDate := params.GetAfterDateMillis()
queryParams["AfterDate"] = strconv.FormatInt(afterDate, 10)
// greater than `after date`
searchQuery = strings.Replace(searchQuery, "CREATEDATE_CLAUSE", "AND CreateAt >= :AfterDate ", 1)
} else if len(params.BeforeDate) > 1 {
beforeDate := params.GetBeforeDateMillis()
queryParams["BeforeDate"] = strconv.FormatInt(beforeDate, 10)
// less than `before date`
searchQuery = strings.Replace(searchQuery, "CREATEDATE_CLAUSE", "AND CreateAt <= :BeforeDate ", 1)
}
} else {
// no create date filters set
searchQuery = strings.Replace(searchQuery, "CREATEDATE_CLAUSE", "", 1)
}
if terms == "" {
// we've already confirmed that we have a channel or user to search for
searchQuery = strings.Replace(searchQuery, "SEARCH_CLAUSE", "", 1)
} else if s.DriverName() == model.DATABASE_DRIVER_POSTGRES {
// Parse text for wildcards
if wildcard, err := regexp.Compile(`\*($| )`); err == nil {
terms = wildcard.ReplaceAllLiteralString(terms, ":* ")
}
if params.OrTerms {
terms = strings.Join(strings.Fields(terms), " | ")
} else {
terms = strings.Join(strings.Fields(terms), " & ")
}
searchClause := fmt.Sprintf("AND %s @@ to_tsquery(:Terms)", searchType)
searchQuery = strings.Replace(searchQuery, "SEARCH_CLAUSE", searchClause, 1)
} else if s.DriverName() == model.DATABASE_DRIVER_MYSQL {
searchClause := fmt.Sprintf("AND MATCH (%s) AGAINST (:Terms IN BOOLEAN MODE)", searchType)
searchQuery = strings.Replace(searchQuery, "SEARCH_CLAUSE", searchClause, 1)
if !params.OrTerms {
splitTerms := strings.Fields(terms)
for i, t := range strings.Fields(terms) {
splitTerms[i] = "+" + t
}
terms = strings.Join(splitTerms, " ")
}
}
queryParams["Terms"] = terms
list := model.NewPostList()
_, err := s.GetSearchReplica().Select(&posts, searchQuery, queryParams)
if err != nil {
mlog.Warn(fmt.Sprintf("Query error searching posts: %v", err.Error()))
// Don't return the error to the caller as it is of no use to the user. Instead return an empty set of search results.
} else {
for _, p := range posts {
if searchType == "Hashtags" {
exactMatch := false
for _, tag := range strings.Split(p.Hashtags, " ") {
if termMap[strings.ToUpper(tag)] {
exactMatch = true
}
}
if !exactMatch {
continue
}
}
list.AddPost(p)
list.AddOrder(p.Id)
}
}
list.MakeNonNil()
result.Data = list
})
}
func (s *SqlPostStore) AnalyticsUserCountsWithPostsByDay(teamId string) store.StoreChannel {
return store.Do(func(result *store.StoreResult) {
query :=
`SELECT DISTINCT