From 3d6f18cec57fc6c7776bd05558e0d03dd3b141e1 Mon Sep 17 00:00:00 2001
From: "Z.J. van de Weg" <zegerjan@gitlab.com>
Date: Wed, 12 Oct 2016 20:38:33 +0200
Subject: GrapeDSL for variables

---
 lib/api/variables.rb | 89 +++++++++++++++++++++++++---------------------------
 1 file changed, 42 insertions(+), 47 deletions(-)

diff --git a/lib/api/variables.rb b/lib/api/variables.rb
index f6495071a11..b9fb3c21dbb 100644
--- a/lib/api/variables.rb
+++ b/lib/api/variables.rb
@@ -4,27 +4,29 @@ module API
     before { authenticate! }
     before { authorize! :admin_build, user_project }
 
+    params do
+      requires :id, type: String, desc: 'The ID of a project'
+    end
+
     resource :projects do
-      # Get project variables
-      #
-      # Parameters:
-      #   id (required) - The ID of a project
-      #   page (optional) - The page number for pagination
-      #   per_page (optional) - The value of items per page to show
-      # Example Request:
-      #   GET /projects/:id/variables
+      desc 'Get project variables' do
+        success Entities::Variable
+      end
+      params do
+        optional :page, type: Integer, desc: 'The page number for pagination'
+        optional :per_page, type: Integer, desc: 'The value of items per page to show'
+      end
       get ':id/variables' do
         variables = user_project.variables
         present paginate(variables), with: Entities::Variable
       end
 
-      # Get specific variable of a project
-      #
-      # Parameters:
-      #   id (required) - The ID of a project
-      #   key (required) - The `key` of variable
-      # Example Request:
-      #   GET /projects/:id/variables/:key
+      desc 'Get a specific variable from a project' do
+        success Entities::Variable
+      end
+      params do
+        requires :key, type: String, desc: 'The key of the variable'
+      end
       get ':id/variables/:key' do
         key = params[:key]
         variable = user_project.variables.find_by(key: key.to_s)
@@ -34,18 +36,15 @@ module API
         present variable, with: Entities::Variable
       end
 
-      # Create a new variable in project
-      #
-      # Parameters:
-      #   id (required) - The ID of a project
-      #   key (required) - The key of variable
-      #   value (required) - The value of variable
-      # Example Request:
-      #   POST /projects/:id/variables
+      desc 'Create a new variable in a project' do
+        success Entities::Variable
+      end
+      params do
+        requires :key, type: String, desc: 'The key of the variable'
+        requires :value, type: String, desc: 'The value of the variable'
+      end
       post ':id/variables' do
-        required_attributes! [:key, :value]
-
-        variable = user_project.variables.create(key: params[:key], value: params[:value])
+        variable = user_project.variables.create(declared(params, include_parent_namespaces: false).to_h)
 
         if variable.valid?
           present variable, with: Entities::Variable
@@ -54,41 +53,37 @@ module API
         end
       end
 
-      # Update existing variable of a project
-      #
-      # Parameters:
-      #   id (required) - The ID of a project
-      #   key (optional) - The `key` of variable
-      #   value (optional) - New value for `value` field of variable
-      # Example Request:
-      #   PUT /projects/:id/variables/:key
+      desc 'Update an existing variable from a project' do
+        success Entities::Variable
+      end
+      params do
+        optional :key, type: String, desc: 'The key of the variable'
+        optional :value, type: String, desc: 'The value of the variable'
+      end
       put ':id/variables/:key' do
-        variable = user_project.variables.find_by(key: params[:key].to_s)
+        variable = user_project.variables.find_by(key: params[:key])
 
         return not_found!('Variable') unless variable
 
-        attrs = attributes_for_keys [:value]
-        if variable.update(attrs)
+        if variable.update(value: params[:value])
           present variable, with: Entities::Variable
         else
           render_validation_error!(variable)
         end
       end
 
-      # Delete existing variable of a project
-      #
-      # Parameters:
-      #   id (required) - The ID of a project
-      #   key (required) - The ID of a variable
-      # Example Request:
-      #   DELETE /projects/:id/variables/:key
+      desc 'Delete an existing variable from a project' do
+        success Entities::Variable
+      end
+      params do
+        requires :key, type: String, desc: 'The key of the variable'
+      end
       delete ':id/variables/:key' do
-        variable = user_project.variables.find_by(key: params[:key].to_s)
+        variable = user_project.variables.find_by(key: params[:key])
 
         return not_found!('Variable') unless variable
-        variable.destroy
 
-        present variable, with: Entities::Variable
+        present variable.destroy, with: Entities::Variable
       end
     end
   end
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