sjdonado
46 lines
1.4 KiB
Crystal
46 lines
1.4 KiB
Crystal
module App::Lib
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abstract class BaseController
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protected getter env : HTTP::Server::Context
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def initialize(@env : HTTP::Server::Context); end
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# Convert changeset errors to API-friendly format
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protected def map_changeset_errors(errors)
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errors.reduce({} of String => Array(String)) do |memo, error|
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field = error[:field].to_s
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message = error[:message].to_s
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memo[field] ||= [] of String
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memo[field] << message
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memo
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end
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end
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protected def parse_body(required_fields : Array(String) = [] of String)
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json_params = @env.params.json.try(&.to_h) || {} of String => JSON::Any
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json_params = json_params.transform_values(&.to_s) # Convert JSON::Any to String
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missing_fields = required_fields.reject { |field| json_params.has_key?(field) }
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unless missing_fields.empty?
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error_message = "#{missing_fields.first}: Required field"
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raise App::BadRequestException.new(@env, error_message)
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end
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json_params
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end
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protected def render_json(data, status_code : Int32 = 200)
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@env.response.status_code = status_code
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@env.response.content_type = "application/json"
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data.to_json
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end
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protected def param(key : String) : String
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@env.params.url[key]
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rescue KeyError
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raise App::BadRequestException.new(@env, "Missing required parameter: #{key}")
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end
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end
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end
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