Code Formats, Nits & Unused Func/Var deletions (#15286)

* _ to unused func options

* rm useless brakets

* rm trifial non used models functions

* rm dead code

* rm dead global vars

* fix routers/api/v1/repo/issue.go

* dont overload import module

7 files changed, 5 insertions, 44 deletions

diff --git a/models/branches.go b/models/branches.go
index 440c093095..1ac1fa49e5 100644
--- a/models/branches.go
+++ b/models/branches.go
@@ -260,12 +260,6 @@ func (protectBranch *ProtectedBranch) IsProtectedFile(patterns []glob.Glob, path
 	return r
 }
 
-// GetProtectedBranchByRepoID getting protected branch by repo ID
-func GetProtectedBranchByRepoID(repoID int64) ([]*ProtectedBranch, error) {
-	protectedBranches := make([]*ProtectedBranch, 0)
-	return protectedBranches, x.Where("repo_id = ?", repoID).Desc("updated_unix").Find(&protectedBranches)
-}
-
 // GetProtectedBranchBy getting protected branch by ID/Name
 func GetProtectedBranchBy(repoID int64, branchName string) (*ProtectedBranch, error) {
 	return getProtectedBranchBy(x, repoID, branchName)
@@ -283,19 +277,6 @@ func getProtectedBranchBy(e Engine, repoID int64, branchName string) (*Protected
 	return rel, nil
 }
 
-// GetProtectedBranchByID getting protected branch by ID
-func GetProtectedBranchByID(id int64) (*ProtectedBranch, error) {
-	rel := &ProtectedBranch{}
-	has, err := x.ID(id).Get(rel)
-	if err != nil {
-		return nil, err
-	}
-	if !has {
-		return nil, nil
-	}
-	return rel, nil
-}
-
 // WhitelistOptions represent all sorts of whitelists used for protected branches
 type WhitelistOptions struct {
 	UserIDs []int64
diff --git a/models/issue_label.go b/models/issue_label.go
index 4f082b8a6e..d1ff469236 100644
--- a/models/issue_label.go
+++ b/models/issue_label.go
@@ -510,19 +510,6 @@ func GetLabelIDsInOrgByNames(orgID int64, labelNames []string) ([]int64, error)
 		Find(&labelIDs)
 }
 
-// GetLabelIDsInOrgsByNames returns a list of labelIDs by names in one of the given
-// organization.
-// it silently ignores label names that do not belong to the organization.
-func GetLabelIDsInOrgsByNames(orgIDs []int64, labelNames []string) ([]int64, error) {
-	labelIDs := make([]int64, 0, len(labelNames))
-	return labelIDs, x.Table("label").
-		In("org_id", orgIDs).
-		In("name", labelNames).
-		Asc("name").
-		Cols("id").
-		Find(&labelIDs)
-}
-
 // GetLabelInOrgByID returns a label by ID in given organization.
 func GetLabelInOrgByID(orgID, labelID int64) (*Label, error) {
 	return getLabelInOrgByID(x, orgID, labelID)
diff --git a/models/lfs.go b/models/lfs.go
index 90f6523d4a..c8abb1cd49 100644
--- a/models/lfs.go
+++ b/models/lfs.go
@@ -131,11 +131,11 @@ func (repo *Repository) CountLFSMetaObjects() (int64, error) {
 func LFSObjectAccessible(user *User, oid string) (bool, error) {
 	if user.IsAdmin {
 		count, err := x.Count(&LFSMetaObject{Pointer: lfs.Pointer{Oid: oid}})
-		return (count > 0), err
+		return count > 0, err
 	}
 	cond := accessibleRepositoryCondition(user)
 	count, err := x.Where(cond).Join("INNER", "repository", "`lfs_meta_object`.repository_id = `repository`.id").Count(&LFSMetaObject{Pointer: lfs.Pointer{Oid: oid}})
-	return (count > 0), err
+	return count > 0, err
 }
 
 // LFSAutoAssociate auto associates accessible LFSMetaObjects
diff --git a/models/repo_test.go b/models/repo_test.go
index cd4bbcccfa..10ba2c99f8 100644
--- a/models/repo_test.go
+++ b/models/repo_test.go
@@ -75,7 +75,7 @@ func TestGetRepositoryCount(t *testing.T) {
 	assert.NoError(t, err2)
 	assert.NoError(t, err3)
 	assert.Equal(t, int64(3), count)
-	assert.Equal(t, (privateCount + publicCount), count)
+	assert.Equal(t, privateCount+publicCount, count)
 }
 
 func TestGetPublicRepositoryCount(t *testing.T) {
diff --git a/models/user.go b/models/user.go
index aacf2957e3..cdb82603cd 100644
--- a/models/user.go
+++ b/models/user.go
@@ -76,9 +76,6 @@ const (
 )
 
 var (
-	// ErrUserNotKeyOwner user does not own this key error
-	ErrUserNotKeyOwner = errors.New("User does not own this public key")
-
 	// ErrEmailNotExist e-mail does not exist error
 	ErrEmailNotExist = errors.New("E-mail does not exist")
 
diff --git a/models/user_heatmap.go b/models/user_heatmap.go
index 74678459cf..0e2767212e 100644
--- a/models/user_heatmap.go
+++ b/models/user_heatmap.go
@@ -65,7 +65,7 @@ func getUserHeatmapData(user *User, team *Team, doer *User) ([]*UserHeatmapData,
 		Select(groupBy+" AS timestamp, count(user_id) as contributions").
 		Table("action").
 		Where(cond).
-		And("created_unix > ?", (timeutil.TimeStampNow() - 31536000)).
+		And("created_unix > ?", timeutil.TimeStampNow()-31536000).
 		GroupBy(groupByName).
 		OrderBy("timestamp").
 		Find(&hdata)
diff --git a/models/user_openid.go b/models/user_openid.go
index 18cf51c6b6..597f19d77d 100644
--- a/models/user_openid.go
+++ b/models/user_openid.go
@@ -35,6 +35,7 @@ func GetUserOpenIDs(uid int64) ([]*UserOpenID, error) {
 	return openids, nil
 }
 
+// isOpenIDUsed returns true if the openid has been used.
 func isOpenIDUsed(e Engine, uri string) (bool, error) {
 	if len(uri) == 0 {
 		return true, nil
@@ -43,11 +44,6 @@ func isOpenIDUsed(e Engine, uri string) (bool, error) {
 	return e.Get(&UserOpenID{URI: uri})
 }
 
-// IsOpenIDUsed returns true if the openid has been used.
-func IsOpenIDUsed(openid string) (bool, error) {
-	return isOpenIDUsed(x, openid)
-}
-
 // NOTE: make sure openid.URI is normalized already
 func addUserOpenID(e Engine, openid *UserOpenID) error {
 	used, err := isOpenIDUsed(e, openid.URI)