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|
// Copyright (c) 2015 Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
package store
import (
"fmt"
"regexp"
"strconv"
"strings"
"github.com/mattermost/platform/model"
"github.com/mattermost/platform/utils"
)
type SqlPostStore struct {
*SqlStore
}
func NewSqlPostStore(sqlStore *SqlStore) PostStore {
s := &SqlPostStore{sqlStore}
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("Message").SetMaxSize(4000)
table.ColMap("Type").SetMaxSize(26)
table.ColMap("Hashtags").SetMaxSize(1000)
table.ColMap("Props").SetMaxSize(4000)
table.ColMap("Filenames").SetMaxSize(4000)
}
return s
}
func (s SqlPostStore) UpgradeSchemaIfNeeded() {
}
func (s SqlPostStore) CreateIndexesIfNotExists() {
s.CreateIndexIfNotExists("idx_posts_update_at", "Posts", "UpdateAt")
s.CreateIndexIfNotExists("idx_posts_create_at", "Posts", "CreateAt")
s.CreateIndexIfNotExists("idx_posts_channel_id", "Posts", "ChannelId")
s.CreateIndexIfNotExists("idx_posts_root_id", "Posts", "RootId")
s.CreateFullTextIndexIfNotExists("idx_posts_message_txt", "Posts", "Message")
s.CreateFullTextIndexIfNotExists("idx_posts_hashtags_txt", "Posts", "Hashtags")
}
func (s SqlPostStore) Save(post *model.Post) StoreChannel {
storeChannel := make(StoreChannel)
go func() {
result := StoreResult{}
if len(post.Id) > 0 {
result.Err = model.NewAppError("SqlPostStore.Save",
"You cannot update an existing Post", "id="+post.Id)
storeChannel <- result
close(storeChannel)
return
}
post.PreSave()
if result.Err = post.IsValid(); result.Err != nil {
storeChannel <- result
close(storeChannel)
return
}
if err := s.GetMaster().Insert(post); err != nil {
result.Err = model.NewAppError("SqlPostStore.Save", "We couldn't save the Post", "id="+post.Id+", "+err.Error())
} else {
time := model.GetMillis()
if post.Type != model.POST_JOIN_LEAVE {
s.GetMaster().Exec("UPDATE Channels SET 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", 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
}
storeChannel <- result
close(storeChannel)
}()
return storeChannel
}
func (s SqlPostStore) Update(oldPost *model.Post, newMessage string, newHashtags string) StoreChannel {
storeChannel := make(StoreChannel)
go func() {
result := StoreResult{}
editPost := *oldPost
editPost.Message = newMessage
editPost.UpdateAt = model.GetMillis()
editPost.Hashtags = newHashtags
oldPost.DeleteAt = editPost.UpdateAt
oldPost.UpdateAt = editPost.UpdateAt
oldPost.OriginalId = oldPost.Id
oldPost.Id = model.NewId()
if result.Err = editPost.IsValid(); result.Err != nil {
storeChannel <- result
close(storeChannel)
return
}
if _, err := s.GetMaster().Update(&editPost); err != nil {
result.Err = model.NewAppError("SqlPostStore.Update", "We couldn't update the Post", "id="+editPost.Id+", "+err.Error())
} else {
time := model.GetMillis()
s.GetMaster().Exec("UPDATE Channels SET LastPostAt = :LastPostAt WHERE Id = :ChannelId", map[string]interface{}{"LastPostAt": time, "ChannelId": editPost.ChannelId})
if len(editPost.RootId) > 0 {
s.GetMaster().Exec("UPDATE Posts SET UpdateAt = :UpdateAt WHERE Id = :RootId", map[string]interface{}{"UpdateAt": time, "RootId": editPost.RootId})
}
// mark the old post as deleted
s.GetMaster().Insert(oldPost)
result.Data = &editPost
}
storeChannel <- result
close(storeChannel)
}()
return storeChannel
}
func (s SqlPostStore) Get(id string) StoreChannel {
storeChannel := make(StoreChannel)
go func() {
result := StoreResult{}
pl := &model.PostList{}
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", "We couldn't get the post", "id="+id+err.Error())
}
pl.AddPost(&post)
pl.AddOrder(id)
rootId := post.RootId
if rootId == "" {
rootId = post.Id
}
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", "We couldn't get the post", "root_id="+rootId+err.Error())
} else {
for _, p := range posts {
pl.AddPost(p)
}
}
result.Data = pl
storeChannel <- result
close(storeChannel)
}()
return storeChannel
}
type etagPosts struct {
Id string
UpdateAt int64
}
func (s SqlPostStore) GetEtag(channelId string) StoreChannel {
storeChannel := make(StoreChannel)
go func() {
result := StoreResult{}
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.0.%v", model.CurrentVersion, model.GetMillis())
} else {
result.Data = fmt.Sprintf("%v.%v.%v", model.CurrentVersion, et.Id, et.UpdateAt)
}
storeChannel <- result
close(storeChannel)
}()
return storeChannel
}
func (s SqlPostStore) Delete(postId string, time int64) StoreChannel {
storeChannel := make(StoreChannel)
go func() {
result := StoreResult{}
_, err := s.GetMaster().Exec("Update Posts SET DeleteAt = :DeleteAt, UpdateAt = :UpdateAt WHERE Id = :Id OR ParentId = :ParentId OR RootId = :RootId", map[string]interface{}{"DeleteAt": time, "UpdateAt": time, "Id": postId, "ParentId": postId, "RootId": postId})
if err != nil {
result.Err = model.NewAppError("SqlPostStore.Delete", "We couldn't delete the post", "id="+postId+", err="+err.Error())
}
storeChannel <- result
close(storeChannel)
}()
return storeChannel
}
func (s SqlPostStore) GetPosts(channelId string, offset int, limit int) StoreChannel {
storeChannel := make(StoreChannel)
go func() {
result := StoreResult{}
if limit > 1000 {
result.Err = model.NewAppError("SqlPostStore.GetLinearPosts", "Limit exceeded for paging", "channelId="+channelId)
storeChannel <- result
close(storeChannel)
return
}
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.PostList{Order: make([]string, 0, len(posts))}
for _, p := range posts {
list.AddPost(p)
list.AddOrder(p.Id)
}
for _, p := range parents {
list.AddPost(p)
}
list.MakeNonNil()
result.Data = list
}
storeChannel <- result
close(storeChannel)
}()
return storeChannel
}
func (s SqlPostStore) GetPostsSince(channelId string, time int64) StoreChannel {
storeChannel := make(StoreChannel)
go func() {
result := StoreResult{}
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", "We couldn't get the posts for the channel", "channelId="+channelId+err.Error())
} else {
list := &model.PostList{Order: make([]string, 0, len(posts))}
for _, p := range posts {
list.AddPost(p)
if p.UpdateAt > time {
list.AddOrder(p.Id)
}
}
result.Data = list
}
storeChannel <- result
close(storeChannel)
}()
return storeChannel
}
func (s SqlPostStore) getRootPosts(channelId string, offset int, limit int) StoreChannel {
storeChannel := make(StoreChannel)
go func() {
result := 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", "We couldn't get the posts for the channel", "channelId="+channelId+err.Error())
} else {
result.Data = posts
}
storeChannel <- result
close(storeChannel)
}()
return storeChannel
}
func (s SqlPostStore) getParentsPosts(channelId string, offset int, limit int) StoreChannel {
storeChannel := make(StoreChannel)
go func() {
result := 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
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", "We couldn't get the parent post for the channel", "channelId="+channelId+err.Error())
} else {
result.Data = posts
}
storeChannel <- result
close(storeChannel)
}()
return storeChannel
}
var specialSearchChar = []string{
"<",
">",
"+",
"-",
"(",
")",
"~",
"@",
}
func (s SqlPostStore) Search(teamId string, userId string, params *model.SearchParams) StoreChannel {
storeChannel := make(StoreChannel)
go func() {
result := 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 {
result.Data = []*model.Post{}
storeChannel <- result
return
}
searchType := "Message"
if params.IsHashtag {
searchType = "Hashtags"
for _, term := range strings.Split(terms, " ") {
termMap[term] = true
}
}
// these chars have speical meaning and can be treated as spaces
for _, c := range specialSearchChar {
terms = strings.Replace(terms, c, " ", -1)
}
var posts []*model.Post
if utils.Cfg.SqlSettings.DriverName == model.DATABASE_DRIVER_POSTGRES {
// Parse text for wildcards
if wildcard, err := regexp.Compile("\\*($| )"); err == nil {
terms = wildcard.ReplaceAllLiteralString(terms, "* ")
}
}
searchQuery := `
SELECT
*
FROM
Posts
WHERE
DeleteAt = 0
POST_FILTER
AND ChannelId IN (
SELECT
Id
FROM
Channels,
ChannelMembers
WHERE
Id = ChannelId
AND TeamId = :TeamId
AND UserId = :UserId
AND DeleteAt = 0
CHANNEL_FILTER)
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
WHERE
TeamId = :TeamId
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
WHERE
TeamId = :TeamId
AND Username = :FromUser)`, 1)
} else {
searchQuery = strings.Replace(searchQuery, "POST_FILTER", "", 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 utils.Cfg.SqlSettings.DriverName == model.DATABASE_DRIVER_POSTGRES {
// Parse text for wildcards
if wildcard, err := regexp.Compile("\\*($| )"); err == nil {
terms = wildcard.ReplaceAllLiteralString(terms, ":* ")
}
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 utils.Cfg.SqlSettings.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)
}
queryParams["Terms"] = terms
_, err := s.GetReplica().Select(&posts, searchQuery, queryParams)
if err != nil {
result.Err = model.NewAppError("SqlPostStore.Search", "We encountered an error while searching for posts", "teamId="+teamId+", err="+err.Error())
}
list := &model.PostList{Order: make([]string, 0, len(posts))}
for _, p := range posts {
if searchType == "Hashtags" {
exactMatch := false
for _, tag := range strings.Split(p.Hashtags, " ") {
if termMap[tag] {
exactMatch = true
}
}
if !exactMatch {
continue
}
}
list.AddPost(p)
list.AddOrder(p.Id)
}
list.MakeNonNil()
result.Data = list
storeChannel <- result
close(storeChannel)
}()
return storeChannel
}
func (s SqlPostStore) GetForExport(channelId string) StoreChannel {
storeChannel := make(StoreChannel)
go func() {
result := StoreResult{}
var posts []*model.Post
_, err := s.GetReplica().Select(
&posts,
"SELECT * FROM Posts WHERE ChannelId = :ChannelId AND DeleteAt = 0",
map[string]interface{}{"ChannelId": channelId})
if err != nil {
result.Err = model.NewAppError("SqlPostStore.GetForExport", "We couldn't get the posts for the channel", "channelId="+channelId+err.Error())
} else {
result.Data = posts
}
storeChannel <- result
close(storeChannel)
}()
return storeChannel
}
func (s SqlPostStore) AnalyticsUserCountsWithPostsByDay(teamId string) StoreChannel {
storeChannel := make(StoreChannel)
go func() {
result := StoreResult{}
query :=
`SELECT
t1.Name, COUNT(t1.UserId) AS Value
FROM
(SELECT DISTINCT
DATE(FROM_UNIXTIME(Posts.CreateAt / 1000)) AS Name,
Posts.UserId
FROM
Posts, Channels
WHERE
Posts.ChannelId = Channels.Id
AND Channels.TeamId = :TeamId
ORDER BY Name DESC) AS t1
GROUP BY Name
ORDER BY Name DESC
LIMIT 30`
if utils.Cfg.SqlSettings.DriverName == model.DATABASE_DRIVER_POSTGRES {
query =
`SELECT
TO_CHAR(t1.Name, 'YYYY-MM-DD') AS Name, COUNT(t1.UserId) AS Value
FROM
(SELECT DISTINCT
DATE(TO_TIMESTAMP(Posts.CreateAt / 1000)) AS Name,
Posts.UserId
FROM
Posts, Channels
WHERE
Posts.ChannelId = Channels.Id
AND Channels.TeamId = :TeamId
ORDER BY Name DESC) AS t1
GROUP BY Name
ORDER BY Name DESC
LIMIT 30`
}
var rows model.AnalyticsRows
_, err := s.GetReplica().Select(
&rows,
query,
map[string]interface{}{"TeamId": teamId, "Time": model.GetMillis() - 1000*60*60*24*31})
if err != nil {
result.Err = model.NewAppError("SqlPostStore.AnalyticsUserCountsWithPostsByDay", "We couldn't get user counts with posts", err.Error())
} else {
result.Data = rows
}
storeChannel <- result
close(storeChannel)
}()
return storeChannel
}
func (s SqlPostStore) AnalyticsPostCountsByDay(teamId string) StoreChannel {
storeChannel := make(StoreChannel)
go func() {
result := StoreResult{}
query :=
`SELECT
Name, COUNT(Value) AS Value
FROM
(SELECT
DATE(FROM_UNIXTIME(Posts.CreateAt / 1000)) AS Name,
'1' AS Value
FROM
Posts, Channels
WHERE
Posts.ChannelId = Channels.Id
AND Channels.TeamId = :TeamId
AND Posts.CreateAt >:Time) AS t1
GROUP BY Name
ORDER BY Name DESC
LIMIT 30`
if utils.Cfg.SqlSettings.DriverName == model.DATABASE_DRIVER_POSTGRES {
query =
`SELECT
Name, COUNT(Value) AS Value
FROM
(SELECT
TO_CHAR(DATE(TO_TIMESTAMP(Posts.CreateAt / 1000)), 'YYYY-MM-DD') AS Name,
'1' AS Value
FROM
Posts, Channels
WHERE
Posts.ChannelId = Channels.Id
AND Channels.TeamId = :TeamId
AND Posts.CreateAt > :Time) AS t1
GROUP BY Name
ORDER BY Name DESC
LIMIT 30`
}
var rows model.AnalyticsRows
_, err := s.GetReplica().Select(
&rows,
query,
map[string]interface{}{"TeamId": teamId, "Time": model.GetMillis() - 1000*60*60*24*31})
if err != nil {
result.Err = model.NewAppError("SqlPostStore.AnalyticsPostCountsByDay", "We couldn't get post counts by day", err.Error())
} else {
result.Data = rows
}
storeChannel <- result
close(storeChannel)
}()
return storeChannel
}
func (s SqlPostStore) AnalyticsPostCount(teamId string) StoreChannel {
storeChannel := make(StoreChannel)
go func() {
result := StoreResult{}
v, err := s.GetReplica().SelectInt(
`SELECT
COUNT(Posts.Id) AS Value
FROM
Posts,
Channels
WHERE
Posts.ChannelId = Channels.Id
AND Channels.TeamId = :TeamId`,
map[string]interface{}{"TeamId": teamId})
if err != nil {
result.Err = model.NewAppError("SqlPostStore.AnalyticsPostCount", "We couldn't get post counts", err.Error())
} else {
result.Data = v
}
storeChannel <- result
close(storeChannel)
}()
return storeChannel
}
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