PLT-3105 Files table migration (#4068)

* Implemented initial changes for files table

* Removed *_benchmark_test.go files

* Re-implemented GetPublicFile and added support for old path

* Localization for files table

* Moved file system code into utils package

* Finished server-side changes and added initial upgrade script

* Added getPostFiles api

* Re-add Extension and HasPreviewImage fields to FileInfo

* Removed unused translation

* Fixed merge conflicts left over after permissions changes

* Forced FileInfo.extension to be lower case

* Changed FileUploadResponse to contain the FileInfos instead of FileIds

* Fixed permissions on getFile* calls

* Fixed notifications for file uploads

* Added initial version of client code for files changes

* Permanently added FileIds field to Post object and removed Post.HasFiles

* Updated PostStore.Update to be usable in more circumstances

* Re-added Filenames field and switched file migration to be entirely lazy-loaded

* Increased max listener count for FileStore

* Removed unused fileInfoCache

* Moved file system code back into api

* Removed duplicate test case

* Fixed unit test running on ports other than 8065

* Renamed HasPermissionToPostContext to HasPermissionToChannelByPostContext

* Refactored handleImages to make it more easily understandable

* Renamed getPostFiles to getFileInfosForPost

* Re-added pre-FileIds posts to analytics

* Changed files to be saved as their ids as opposed to id/filename.ext

* Renamed FileInfo.UserId to FileInfo.CreatorId

* Fixed detection of language in CodePreview

* Fixed switching between threads in the RHS not loading new files

* Add serverside protection against a rare bug where the client sends the same file twice for a single post

* Refactored the important parts of uploadFile api call into a function that can be called without a web context

1 files changed, 13 insertions, 1 deletions

diff --git a/store/store.go b/store/store.go
index fbe415986..c01b6d8bc 100644
--- a/store/store.go
+++ b/store/store.go
@@ -45,6 +45,7 @@ type Store interface {
 	PasswordRecovery() PasswordRecoveryStore
 	Emoji() EmojiStore
 	Status() StatusStore
+	FileInfo() FileInfoStore
 	MarkSystemRanUnitTests()
 	Close()
 	DropAllTables()
@@ -86,11 +87,13 @@ type ChannelStore interface {
 	GetMoreChannels(teamId string, userId string) StoreChannel
 	GetChannelCounts(teamId string, userId string) StoreChannel
 	GetAll(teamId string) StoreChannel
+	GetForPost(postId string) StoreChannel
 
 	SaveMember(member *model.ChannelMember) StoreChannel
 	UpdateMember(member *model.ChannelMember) StoreChannel
 	GetMembers(channelId string) StoreChannel
 	GetMember(channelId string, userId string) StoreChannel
+	GetMemberForPost(postId string, userId string) StoreChannel
 	GetMemberCount(channelId string) StoreChannel
 	RemoveMember(channelId string, userId string) StoreChannel
 	PermanentDeleteMembersByUser(userId string) StoreChannel
@@ -104,7 +107,7 @@ type ChannelStore interface {
 
 type PostStore interface {
 	Save(post *model.Post) StoreChannel
-	Update(post *model.Post, newMessage string, newHashtags string) StoreChannel
+	Update(newPost *model.Post, oldPost *model.Post) StoreChannel
 	Get(id string) StoreChannel
 	Delete(postId string, time int64) StoreChannel
 	PermanentDeleteByUser(userId string) StoreChannel
@@ -277,3 +280,12 @@ type StatusStore interface {
 	GetTotalActiveUsersCount() StoreChannel
 	UpdateLastActivityAt(userId string, lastActivityAt int64) StoreChannel
 }
+
+type FileInfoStore interface {
+	Save(info *model.FileInfo) StoreChannel
+	Get(id string) StoreChannel
+	GetByPath(path string) StoreChannel
+	GetForPost(postId string) StoreChannel
+	AttachToPost(fileId string, postId string) StoreChannel
+	DeleteForPost(postId string) StoreChannel
+}