Initial commit

app/api/v2/resource/labels.rb

@@ -0,0 +1,127 @@
+# frozen_string_literal: true
+
+module API
+  module V2
+    module Resource
+      # Responsible for CRUD for labes
+      class Labels < Grape::API
+        resource :labels do
+          desc 'List all labels for current user.',
+            failure: [
+              { code: 401, message: 'Invalid bearer token' }
+            ],
+            success: Entities::Label
+          params do
+            optional :ordering,
+                     type: String,
+                     values: { value: %w(asc desc) },
+                     default: 'asc',
+                     desc: 'If set, returned labels sorted in specific order, default to "asc".'
+          end
+          get do
+            labels = current_user.labels.order(created_at: params[:ordering])
+            present labels, with: Entities::Label
+          end
+
+          desc 'Return a label by key.',
+            failure: [
+              { code: 400, message: 'Required params are empty' },
+              { code: 401, message: 'Invalid bearer token' },
+              { code: 404, message: 'Record is not found' }
+            ],
+            success: Entities::Label
+          params do
+            requires :key,
+                     type: String,
+                     allow_blank: false,
+                     desc: 'Label key.'
+          end
+          route_param :key do
+            get do
+              label = current_user.labels.find_by!(key: params[:key])
+              present label, with: Entities::Label
+            end
+          end
+
+          desc "Create a label with 'public' scope.",
+            failure: [
+              { code: 400, message: 'Required params are empty' },
+              { code: 401, message: 'Invalid bearer token' },
+              { code: 422, message: 'Validation errors' }
+            ],
+            success: Entities::Label
+          params do
+            requires :key,
+                     type: String,
+                     allow_blank: false,
+                     desc: 'Label key.'
+            requires :value,
+                     type: String,
+                     allow_blank: false,
+                     desc: 'Label value.'
+          end
+          post do
+            label =
+              current_user.labels.new(
+                key: params[:key],
+                value: params[:value],
+                scope: 'public'
+              )
+            if label.save
+              present label, with: Entities::Label
+            else
+              code_error!(label.errors.details, 422)
+            end
+          end
+
+          desc "Update a label with 'public' scope.",
+            failure: [
+              { code: 400, message: 'Required params are empty' },
+              { code: 401, message: 'Invalid bearer token' },
+              { code: 404, message: 'Record is not found' },
+              { code: 422, message: 'Validation errors' }
+            ],
+            success: Entities::Label
+          params do
+            requires :key,
+                     type: String,
+                     allow_blank: false,
+                     desc: 'Label key.'
+            requires :value,
+                     type: String,
+                     allow_blank: false,
+                     desc: 'Label value.'
+          end
+          patch ':key' do
+            label = current_user.labels.find_by!(key: params[:key])
+            return error!({ errors: ['resource.labels.private'] }, 400) if label.private?
+
+            label.update(value: params[:value])
+            present label, with: Entities::Label
+          end
+
+          desc "Delete a label  with 'public' scope.",
+            success: { code: 204, message: 'Succefully deleted' },
+            failure: [
+              { code: 400, message: 'Required params are empty' },
+              { code: 401, message: 'Invalid bearer token' },
+              { code: 404, message: 'Record is not found' }
+            ]
+          params do
+            requires :key,
+                     type: String,
+                     allow_blank: false,
+                     desc: 'Label key.'
+          end
+          delete ':key' do
+            label = current_user.labels.find_by!(key: params[:key])
+            return error!({ errors: ['resource.labels.private'] }, 400) if label.private?
+
+            label.destroy
+            status 204
+          end
+        end
+      end
+    end
+  end
+end