Git LFS lock api (#2938)

* Implement routes

* move to api/sdk and create model

* Implement add + list

* List return 200 empty list no 404

* Add verify lfs lock api

* Add delete and start implementing auth control

* Revert to code.gitea.io/sdk/gitea vendor

* Apply needed check for all lfs locks route

* Add simple tests

* fix lint

* Improve tests

* Add delete test + fix

* Add lfs ascii header

* Various fixes from review + remove useless code + add more corner case testing

* Remove repo link since only id is needed.

Save a little of memory and cpu time.

* Improve tests

* Use TEXT column format for path + test

* fix mispell

* Use NewRequestWithJSON for POST tests

* Clean path

* Improve DB format

* Revert uniquess repoid+path

* (Re)-setup uniqueness + max path length

* Fixed TEXT in place of VARCHAR

* Settle back to maximum VARCHAR(3072)

* Let place for repoid in key

* Let place for repoid in key

* Let place for repoid in key

* Revert back

1 files changed, 57 insertions, 0 deletions

diff --git a/models/error.go b/models/error.go
index 7ea4e9e2f2..50d9cba171 100644
--- a/models/error.go
+++ b/models/error.go
@@ -506,6 +506,63 @@ func (err ErrLastOrgOwner) Error() string {
 	return fmt.Sprintf("user is the last member of owner team [uid: %d]", err.UID)
 }
 
+//.____   ____________________
+//|    |  \_   _____/   _____/
+//|    |   |    __) \_____  \
+//|    |___|     \  /        \
+//|_______ \___  / /_______  /
+//        \/   \/          \/
+
+// ErrLFSLockNotExist represents a "LFSLockNotExist" kind of error.
+type ErrLFSLockNotExist struct {
+	ID     int64
+	RepoID int64
+	Path   string
+}
+
+// IsErrLFSLockNotExist checks if an error is a ErrLFSLockNotExist.
+func IsErrLFSLockNotExist(err error) bool {
+	_, ok := err.(ErrLFSLockNotExist)
+	return ok
+}
+
+func (err ErrLFSLockNotExist) Error() string {
+	return fmt.Sprintf("lfs lock does not exist [id: %d, rid: %d, path: %s]", err.ID, err.RepoID, err.Path)
+}
+
+// ErrLFSLockUnauthorizedAction represents a "LFSLockUnauthorizedAction" kind of error.
+type ErrLFSLockUnauthorizedAction struct {
+	RepoID   int64
+	UserName string
+	Action   string
+}
+
+// IsErrLFSLockUnauthorizedAction checks if an error is a ErrLFSLockUnauthorizedAction.
+func IsErrLFSLockUnauthorizedAction(err error) bool {
+	_, ok := err.(ErrLFSLockUnauthorizedAction)
+	return ok
+}
+
+func (err ErrLFSLockUnauthorizedAction) Error() string {
+	return fmt.Sprintf("User %s doesn't have rigth to %s for lfs lock [rid: %d]", err.UserName, err.Action, err.RepoID)
+}
+
+// ErrLFSLockAlreadyExist represents a "LFSLockAlreadyExist" kind of error.
+type ErrLFSLockAlreadyExist struct {
+	RepoID int64
+	Path   string
+}
+
+// IsErrLFSLockAlreadyExist checks if an error is a ErrLFSLockAlreadyExist.
+func IsErrLFSLockAlreadyExist(err error) bool {
+	_, ok := err.(ErrLFSLockAlreadyExist)
+	return ok
+}
+
+func (err ErrLFSLockAlreadyExist) Error() string {
+	return fmt.Sprintf("lfs lock already exists [rid: %d, path: %s]", err.RepoID, err.Path)
+}
+
 // __________                           .__  __
 // \______   \ ____ ______   ____  _____|__|/  |_  ___________ ___.__.
 //  |       _// __ \\____ \ /  _ \/  ___/  \   __\/  _ \_  __ <   |  |