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author | GitLab Bot <gitlab-bot@gitlab.com> | 2020-06-18 14:18:50 +0300 |
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committer | GitLab Bot <gitlab-bot@gitlab.com> | 2020-06-18 14:18:50 +0300 |
commit | 8c7f4e9d5f36cff46365a7f8c4b9c21578c1e781 (patch) | |
tree | a77e7fe7a93de11213032ed4ab1f33a3db51b738 /app/validators/json_schema_validator.rb | |
parent | 00b35af3db1abfe813a778f643dad221aad51fca (diff) |
Add latest changes from gitlab-org/gitlab@13-1-stable-ee
Diffstat (limited to 'app/validators/json_schema_validator.rb')
-rw-r--r-- | app/validators/json_schema_validator.rb | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/app/validators/json_schema_validator.rb b/app/validators/json_schema_validator.rb new file mode 100644 index 00000000000..f8c1727035c --- /dev/null +++ b/app/validators/json_schema_validator.rb @@ -0,0 +1,38 @@ +# frozen_string_literal: true +# +# JsonSchemaValidator +# +# Custom validator for json schema. +# Create a json schema within the json_schemas directory +# +# class Project < ActiveRecord::Base +# validates :data, json_schema: { filename: "file" } +# end +# +class JsonSchemaValidator < ActiveModel::EachValidator + FILENAME_ALLOWED = /\A[a-z0-9_-]*\Z/.freeze + FilenameError = Class.new(StandardError) + + def initialize(options) + raise ArgumentError, "Expected 'filename' as an argument" unless options[:filename] + raise FilenameError, "Must be a valid 'filename'" unless options[:filename].match?(FILENAME_ALLOWED) + + super(options) + end + + def validate_each(record, attribute, value) + unless valid_schema?(value) + record.errors.add(attribute, "must be a valid json schema") + end + end + + private + + def valid_schema?(value) + JSON::Validator.validate(schema_path, value) + end + + def schema_path + Rails.root.join('app', 'validators', 'json_schemas', "#{options[:filename]}.json").to_s + end +end |