1 files changed, 59 insertions, 0 deletions
diff --git a/app/services/ci/web_ide_config_service.rb b/app/services/ci/web_ide_config_service.rb
new file mode 100644
index 00000000000..ade9132f419
--- /dev/null
+++ b/app/services/ci/web_ide_config_service.rb
@@ -0,0 +1,59 @@
+# frozen_string_literal: true
+
+module Ci
+  class WebIdeConfigService < ::BaseService
+    include ::Gitlab::Utils::StrongMemoize
+
+    ValidationError = Class.new(StandardError)
+
+    WEBIDE_CONFIG_FILE = '.gitlab/.gitlab-webide.yml'.freeze
+
+    attr_reader :config, :config_content
+
+    def execute
+      check_access!
+      load_config_content!
+      load_config!
+
+      success(terminal: config.terminal_value)
+    rescue ValidationError => e
+      error(e.message)
+    end
+
+    private
+
+    def check_access!
+      unless can?(current_user, :download_code, project)
+        raise ValidationError, 'Insufficient permissions to read configuration'
+      end
+    end
+
+    def load_config_content!
+      @config_content = webide_yaml_from_repo
+
+      unless config_content
+        raise ValidationError, "Failed to load Web IDE config file '#{WEBIDE_CONFIG_FILE}' for #{params[:sha]}"
+      end
+    end
+
+    def load_config!
+      @config = Gitlab::WebIde::Config.new(config_content)
+
+      unless @config.valid?
+        raise ValidationError, @config.errors.first
+      end
+    rescue Gitlab::WebIde::Config::ConfigError => e
+      raise ValidationError, e.message
+    end
+
+    def webide_yaml_from_repo
+      gitlab_webide_yml_for(params[:sha])
+    rescue GRPC::NotFound, GRPC::Internal
+      nil
+    end
+
+    def gitlab_webide_yml_for(sha)
+      project.repository.blob_data_at(sha, WEBIDE_CONFIG_FILE)
+    end
+  end
+end