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// See License.txt for license information.
package store
import (
"database/sql"
"net/http"
"github.com/mattermost/platform/einterfaces"
"github.com/mattermost/platform/model"
"github.com/mattermost/platform/utils"
)
type SqlFileInfoStore struct {
*SqlStore
}
const (
FILE_INFO_CACHE_SIZE = 25000
FILE_INFO_CACHE_SEC = 1800 // 30 minutes
)
var fileInfoCache *utils.Cache = utils.NewLru(FILE_INFO_CACHE_SIZE)
func ClearFileCaches() {
fileInfoCache.Purge()
}
func NewSqlFileInfoStore(sqlStore *SqlStore) FileInfoStore {
s := &SqlFileInfoStore{sqlStore}
for _, db := range sqlStore.GetAllConns() {
table := db.AddTableWithName(model.FileInfo{}, "FileInfo").SetKeys(false, "Id")
table.ColMap("Id").SetMaxSize(26)
table.ColMap("CreatorId").SetMaxSize(26)
table.ColMap("PostId").SetMaxSize(26)
table.ColMap("Path").SetMaxSize(512)
table.ColMap("ThumbnailPath").SetMaxSize(512)
table.ColMap("PreviewPath").SetMaxSize(512)
table.ColMap("Name").SetMaxSize(256)
table.ColMap("Extension").SetMaxSize(64)
table.ColMap("MimeType").SetMaxSize(256)
}
return s
}
func (fs SqlFileInfoStore) CreateIndexesIfNotExists() {
fs.CreateIndexIfNotExists("idx_fileinfo_update_at", "FileInfo", "UpdateAt")
fs.CreateIndexIfNotExists("idx_fileinfo_create_at", "FileInfo", "CreateAt")
fs.CreateIndexIfNotExists("idx_fileinfo_delete_at", "FileInfo", "DeleteAt")
fs.CreateIndexIfNotExists("idx_fileinfo_postid_at", "FileInfo", "PostId")
}
func (fs SqlFileInfoStore) Save(info *model.FileInfo) StoreChannel {
storeChannel := make(StoreChannel, 1)
go func() {
result := StoreResult{}
info.PreSave()
if result.Err = info.IsValid(); result.Err != nil {
storeChannel <- result
close(storeChannel)
return
}
if err := fs.GetMaster().Insert(info); err != nil {
result.Err = model.NewLocAppError("SqlFileInfoStore.Save", "store.sql_file_info.save.app_error", nil, err.Error())
} else {
result.Data = info
}
storeChannel <- result
close(storeChannel)
}()
return storeChannel
}
func (fs SqlFileInfoStore) Get(id string) StoreChannel {
storeChannel := make(StoreChannel, 1)
go func() {
result := StoreResult{}
info := &model.FileInfo{}
if err := fs.GetReplica().SelectOne(info,
`SELECT
*
FROM
FileInfo
WHERE
Id = :Id
AND DeleteAt = 0`, map[string]interface{}{"Id": id}); err != nil {
if err == sql.ErrNoRows {
result.Err = model.NewAppError("SqlFileInfoStore.Get", "store.sql_file_info.get.app_error", nil, "id="+id+", "+err.Error(), http.StatusNotFound)
} else {
result.Err = model.NewLocAppError("SqlFileInfoStore.Get", "store.sql_file_info.get.app_error", nil, "id="+id+", "+err.Error())
}
} else {
result.Data = info
}
storeChannel <- result
close(storeChannel)
}()
return storeChannel
}
func (fs SqlFileInfoStore) GetByPath(path string) StoreChannel {
storeChannel := make(StoreChannel, 1)
go func() {
result := StoreResult{}
info := &model.FileInfo{}
if err := fs.GetReplica().SelectOne(info,
`SELECT
*
FROM
FileInfo
WHERE
Path = :Path
AND DeleteAt = 0
LIMIT 1`, map[string]interface{}{"Path": path}); err != nil {
result.Err = model.NewLocAppError("SqlFileInfoStore.GetByPath", "store.sql_file_info.get_by_path.app_error", nil, "path="+path+", "+err.Error())
} else {
result.Data = info
}
storeChannel <- result
close(storeChannel)
}()
return storeChannel
}
func (s SqlFileInfoStore) InvalidateFileInfosForPostCache(postId string) {
fileInfoCache.Remove(postId)
}
func (fs SqlFileInfoStore) GetForPost(postId string, readFromMaster bool, allowFromCache bool) StoreChannel {
storeChannel := make(StoreChannel, 1)
go func() {
result := StoreResult{}
metrics := einterfaces.GetMetricsInterface()
if allowFromCache {
if cacheItem, ok := fileInfoCache.Get(postId); ok {
if metrics != nil {
metrics.IncrementMemCacheHitCounter("File Info Cache")
}
result.Data = cacheItem.([]*model.FileInfo)
storeChannel <- result
close(storeChannel)
return
} else {
if metrics != nil {
metrics.IncrementMemCacheMissCounter("File Info Cache")
}
}
} else {
if metrics != nil {
metrics.IncrementMemCacheMissCounter("File Info Cache")
}
}
var infos []*model.FileInfo
dbmap := fs.GetReplica()
if readFromMaster {
dbmap = fs.GetMaster()
}
if _, err := dbmap.Select(&infos,
`SELECT
*
FROM
FileInfo
WHERE
PostId = :PostId
AND DeleteAt = 0
ORDER BY
CreateAt`, map[string]interface{}{"PostId": postId}); err != nil {
result.Err = model.NewLocAppError("SqlFileInfoStore.GetForPost",
"store.sql_file_info.get_for_post.app_error", nil, "post_id="+postId+", "+err.Error())
} else {
if len(infos) > 0 {
fileInfoCache.AddWithExpiresInSecs(postId, infos, FILE_INFO_CACHE_SEC)
}
result.Data = infos
}
storeChannel <- result
close(storeChannel)
}()
return storeChannel
}
func (fs SqlFileInfoStore) AttachToPost(fileId, postId string) StoreChannel {
storeChannel := make(StoreChannel, 1)
go func() {
result := StoreResult{}
if _, err := fs.GetMaster().Exec(
`UPDATE
FileInfo
SET
PostId = :PostId
WHERE
Id = :Id
AND PostId = ''`, map[string]interface{}{"PostId": postId, "Id": fileId}); err != nil {
result.Err = model.NewLocAppError("SqlFileInfoStore.AttachToPost",
"store.sql_file_info.attach_to_post.app_error", nil, "post_id="+postId+", file_id="+fileId+", err="+err.Error())
}
storeChannel <- result
close(storeChannel)
}()
return storeChannel
}
func (fs SqlFileInfoStore) DeleteForPost(postId string) StoreChannel {
storeChannel := make(StoreChannel, 1)
go func() {
result := StoreResult{}
if _, err := fs.GetMaster().Exec(
`UPDATE
FileInfo
SET
DeleteAt = :DeleteAt
WHERE
PostId = :PostId`, map[string]interface{}{"DeleteAt": model.GetMillis(), "PostId": postId}); err != nil {
result.Err = model.NewLocAppError("SqlFileInfoStore.DeleteForPost",
"store.sql_file_info.delete_for_post.app_error", nil, "post_id="+postId+", err="+err.Error())
} else {
result.Data = postId
}
storeChannel <- result
close(storeChannel)
}()
return storeChannel
}
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