feat: Add blob endpoint

1 files changed, 66 insertions, 1 deletions

diff --git a/pkg/git/git.go b/pkg/git/git.go
index ce72465..6a7b91f 100644
--- a/pkg/git/git.go
+++ b/pkg/git/git.go
@@ -13,7 +13,8 @@ import (
 var ()
 
 var (
-	MissingRefErr = errors.New("Reference not found")
+	MissingRefErr  = errors.New("Reference not found")
+	TreeForFileErr = errors.New("Trying to get tree of a file")
 )
 
 type (
@@ -145,9 +146,73 @@ func (g *GitRepository) Branches() ([]*plumbing.Reference, error) {
 	return branches, nil
 }
 
+func (g *GitRepository) Tree(path string) (*object.Tree, error) {
+	err := g.validateRef()
+	if err != nil {
+		return nil, err
+	}
+
+	c, err := g.repository.CommitObject(g.ref)
+	if err != nil {
+		return nil, err
+	}
+
+	tree, err := c.Tree()
+	if err != nil {
+		return nil, err
+	}
+
+	if path == "" {
+		return tree, nil
+	} else {
+		o, err := tree.FindEntry(path)
+		if err != nil {
+			return nil, err
+		}
+
+		if !o.Mode.IsFile() {
+			subtree, err := tree.Tree(path)
+			if err != nil {
+				return nil, err
+			}
+			return subtree, nil
+		} else {
+			return nil, TreeForFileErr
+		}
+	}
+}
+
 func (g *GitRepository) validateRef() error {
 	if !g.setRef {
 		return g.SetRef("")
 	}
 	return nil
 }
+
+func (g *GitRepository) FileContent(path string) (string, error) {
+	c, err := g.repository.CommitObject(g.ref)
+	if err != nil {
+		return "", err
+	}
+
+	tree, err := c.Tree()
+	if err != nil {
+		return "", err
+	}
+
+	file, err := tree.File(path)
+	if err != nil {
+		return "", err
+	}
+
+	isbin, err := file.IsBinary()
+	if err != nil {
+		return "", err
+	}
+
+	if !isbin {
+		return file.Contents()
+	} else {
+		return "Binary file", nil
+	}
+}