Complete api files CRUD

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

1 files changed, 52 insertions, 1 deletions

diff --git a/lib/api/files.rb b/lib/api/files.rb
index 213604915a6..e0c46f92b84 100644
--- a/lib/api/files.rb
+++ b/lib/api/files.rb
@@ -5,10 +5,61 @@ module API
     before { authorize! :push_code, user_project }
 
     resource :projects do
+      # Get file from repository
+      # File content is Base64 encoded
+      #
+      # Parameters:
+      #   file_path (required) - The path to the file. Ex. lib/class.rb
+      #   ref (required) - The name of branch, tag or commit
+      #
+      # Example Request:
+      #   GET /projects/:id/repository/files
+      #
+      # Example response:
+      # {
+      #   "file_name": "key.rb",
+      #   "file_path": "app/models/key.rb",
+      #   "size": 1476,
+      #   "encoding": "base64",
+      #   "content": "IyA9PSBTY2hlbWEgSW5mb3...",
+      #   "ref": "master",
+      #   "blob_id": "79f7bbd25901e8334750839545a9bd021f0e4c83",
+      #   "commit_id": "d5a3ff139356ce33e37e73add446f16869741b50"
+      # }
+      #
+      get ":id/repository/files" do
+        required_attributes! [:file_path, :ref]
+        attrs = attributes_for_keys [:file_path, :ref]
+        ref = attrs.delete(:ref)
+        file_path = attrs.delete(:file_path)
+
+        commit = user_project.repository.commit(ref)
+        not_found! "Commit" unless commit
+
+        blob = user_project.repository.blob_at(commit.sha, file_path)
+
+        if blob
+          status(200)
+
+          {
+            file_name: blob.name,
+            file_path: blob.path,
+            size: blob.size,
+            encoding: "base64",
+            content: Base64.encode64(blob.data),
+            ref: ref,
+            blob_id: blob.id,
+            commit_id: commit.id,
+          }
+        else
+          render_api_error!('File not found', 404)
+        end
+      end
+
       # Create new file in repository
       #
       # Parameters:
-      #   file_path (optional) - The path to new file. Ex. lib/class.rb
+      #   file_path (required) - The path to new file. Ex. lib/class.rb
       #   branch_name (required) - The name of branch
       #   content (required) - File content
       #   commit_message (required) - Commit message