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# frozen_string_literal: true
module Gitlab
module Metrics
module Dashboard
module Validator
module Errors
InvalidDashboardError = Class.new(StandardError)
class SchemaValidationError < InvalidDashboardError
def initialize(error = {})
super(error_message(error))
end
private
def error_message(error)
if error.is_a?(Hash) && error.present?
pretty(error)
else
"Dashboard failed schema validation"
end
end
# based on https://github.com/davishmcclurg/json_schemer/blob/master/lib/json_schemer/errors.rb
# with addition ability to translate error messages
def pretty(error)
data, data_pointer, type, schema = error.values_at('data', 'data_pointer', 'type', 'schema')
location = data_pointer.empty? ? 'root' : data_pointer
case type
when 'required'
keys = error.fetch('details').fetch('missing_keys').join(', ')
_("%{location} is missing required keys: %{keys}") % { location: location, keys: keys }
when 'null', 'string', 'boolean', 'integer', 'number', 'array', 'object'
_("'%{data}' at %{location} is not of type: %{type}") % { data: data, location: location, type: type }
when 'pattern'
_("'%{data}' at %{location} does not match pattern: %{pattern}") % { data: data, location: location, pattern: schema.fetch('pattern') }
when 'format'
_("'%{data}' at %{location} does not match format: %{format}") % { data: data, location: location, format: schema.fetch('format') }
when 'const'
_("'%{data}' at %{location} is not: %{const}") % { data: data, location: location, const: schema.fetch('const').inspect }
when 'enum'
_("'%{data}' at %{location} is not one of: %{enum}") % { data: data, location: location, enum: schema.fetch('enum') }
else
_("'%{data}' at %{location} is invalid: error_type=%{type}") % { data: data, location: location, type: type }
end
end
end
class DuplicateMetricIds < InvalidDashboardError
def initialize
super(_("metric_id must be unique across a project"))
end
end
end
end
end
end
end
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