+++ /dev/null
-# This file is part of NIT ( http://www.nitlanguage.org ).
-#
-# Copyright 2015 Alexandre Terrasa <alexandre@moz-code.org>
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-# Insurance refunds calculation base classes.
-module refund_base
-
-import counter
-
-# `RefundProcessor` manages the calculation of the refunds.
-#
-# See `process`.
-class RefundProcessor
-
- # Where to generate output file.
- var output_file: String is noinit, writable
-
- # Where to save usage statistics.
- var stats_file = "stats.json"
-
- # Processes the `input_file` and write the output in `output_file`.
- #
- # Steps:
- #
- # 1. Parses the input_file and check json validity (see `load_input`).
- # 2. Instantiates and checks the reclamation sheet against client rules
- # (see `ReclamationSheet.from_json`).
- # 3. Processes refunds (see `proces_refunds`).
- # 4. Writes the output file (see `write_output`).
- fun process(input_file, output_file: String) is abstract
-
- # Refunds allowed for the current reclamation sheet.
- var current_refunds = new HashMap[Care, Dollar]
-
- # Computes allowed refunds for a given `Reclamation` found in a `ReclamationSheet`.
- fun process_refund(sheet: ReclamationSheet, recl: Reclamation): Dollar is abstract
-
- # Shows stats values in console
- fun show_stats do print load_stats
-
- # Loads stats from file as a RefundStats instance.
- fun load_stats: RefundStats is abstract
-
- # Saves stats in file.
- fun save_stats(stats: RefundStats) is abstract
-
- # Outputs error object then exit.
- fun die(msg: String) is abstract
-
- # Clears stats.
- #
- # Basically delete the stats file.
- fun clear_stats do if stats_file.file_exists then stats_file.file_delete
-end
-
-# Stats representation using a `Counter`.
-class RefundStats
- super Counter[String]
-end
-
-# A `Client` can ask for refunds from the insurance company.
-class Client
-
- # Client number.
- var number: String
-
- redef fun to_s do return "#{number}"
-end
-
-# A `ReclamationSheet` is filled by the `Client` to obtain a `RefundSheet`.
-class ReclamationSheet
-
- # File used for this refund.
- var file: ReclFile is writable
-
- # Month concerned by the refund.
- var month: ReclMonth is writable
-
- # Array of reclamations.
- var recls = new Array[Reclamation] is writable
-
- redef fun to_s do
- return "Refund (file: {file}, month: {month}, recls: {recls.length})"
- end
-end
-
-# A File found in a `ReclamationSheet`.
-#
-# A File points to a `Contract` and a `Client`.
-#
-# Allowed format is: `X12345` where `X` is the contract kind and `12345` is the
-# client number.
-class ReclFile
-
- # File string id.
- var id: String is writable
-
- # Contract instance linked to this file.
- var contract: Contract is noinit, writable
-
- # Client instance linked to this file.
- var client: Client is noinit, writable
-
- # Returns the contract instance corresponding to `kind`.
- fun contract_factory(proc: RefundProcessor, kind: String): Contract do
- if kind == "A" then return new ContractA
- if kind == "B" then return new ContractB
- if kind == "C" then return new ContractC
- if kind == "D" then return new ContractD
- if kind == "E" then return new ContractE
- proc.die("Unknown contract {kind}")
- abort
- end
-
- redef fun to_s do return "{contract.kind}{client.number}"
-end
-
-# Month date formatted for contracts.
-#
-# Mainly used to factorize treatments on date calculation.
-class ReclMonth
-
- # Internal date used to store the month.
- var date: ReclDate is writable
-
- # Is `date` in this month?
- fun has(date: ReclDate): Bool do return self.date.month == date.month
-
- redef fun to_s do
- if date.month < 10 then
- return "{date.year}-0{date.month}"
- end
- return "{date.year}-0{date.month}"
- end
-end
-
-# The date on which a `Care` occured.
-class ReclDate
- # Year of the month.
- var year: Int is writable
-
- # Month number (`1` is January).
- var month: Int is writable
-
- # Day number.
- var day: Int is writable
-
- redef fun to_s do
- var res = new FlatBuffer
- res.append "{year}-"
- if month < 10 then
- res.append "0{month}-"
- else
- res.append "{month}-"
- end
- if day < 10 then
- res.append "0{day}"
- else
- res.append day.to_s
- end
- return res.write_to_string
- end
-end
-
-# `RefundRecl` are parts of the `RefundReclamation`.
-class Reclamation
- # `Care` id concerned by this reclamation.
- var care_id: Int is writable
-
- # Date this care was applied.
- var date: ReclDate is writable
-
- # Amount of money given by the `Client` in exchange of this care.
- var fees: Dollar is writable
-
- redef fun to_s do return "Entry (care: {care_id}, date: {date}, fees: {fees})"
-end
-
-# A `Contract` specifies the refund applicable on care.
-class Contract
-
- # Kind of the contract (specified by a letter).
- var kind: String is noinit, writable
-
- # Covered cares for this kind of contract.
- var cares = new Array[Care] is writable
-
- # Adds a care to this contract.
- fun add_care(care: Care) do cares.add care
-
- # Gets a `Care` instance by its id.
- #
- # Returns `null` if no `Care` found.
- fun care_by_id(id: Int): nullable Care do
- for care in cares do
- if care.match_id(id) then return care
- end
- return null
- end
-
- redef fun to_s do return "{kind} ({cares.length} cares)"
-end
-
-# Contracts
-# FIXME move contracts to a JSON configuration file.
-
-private class ContractA
- super Contract
-
- init do
- kind = "A"
- add_care(new UniqCare.with_vals(0, 25.0, null, null))
- add_care(new UniqCare.with_vals(100, 35.0, null, 250.0.to_dollar))
- add_care(new UniqCare.with_vals(150, 0.0, null, null))
- add_care(new UniqCare.with_vals(175, 50.0, null, 200.0.to_dollar))
- add_care(new UniqCare.with_vals(200, 25.0, null, 250.0.to_dollar))
- add_care(new RangeCare.with_vals([300..399], 0.0, null, null))
- add_care(new UniqCare.with_vals(400, 0.0, null, null))
- add_care(new UniqCare.with_vals(500, 25.0, null, 150.0.to_dollar))
- add_care(new UniqCare.with_vals(600, 40.0, null, 300.0.to_dollar))
- add_care(new UniqCare.with_vals(700, 0.0, null, null))
- end
-end
-
-private class ContractB
- super Contract
-
- init do
- kind = "B"
- add_care(new UniqCare.with_vals(0, 50.0, 40.0.to_dollar, null))
- add_care(new UniqCare.with_vals(100, 50.0, 50.0.to_dollar, 250.0.to_dollar))
- add_care(new UniqCare.with_vals(150, 0.0, null, null))
- add_care(new UniqCare.with_vals(175, 75.0, null, 200.0.to_dollar))
- add_care(new UniqCare.with_vals(200, 100.0,null, 250.0.to_dollar))
- add_care(new RangeCare.with_vals([300..399], 50.0, null, null))
- add_care(new UniqCare.with_vals(400, 0.0, null, null))
- add_care(new UniqCare.with_vals(500, 50.0, 50.0.to_dollar, 150.0.to_dollar))
- add_care(new UniqCare.with_vals(600, 100.0,null, 300.0.to_dollar))
- add_care(new UniqCare.with_vals(700, 70.0, null, null))
- end
-end
-
-private class ContractC
- super Contract
-
- init do
- kind = "C"
- add_care(new UniqCare.with_vals(0, 90.0, null, null))
- add_care(new UniqCare.with_vals(100, 95.0, null, 250.0.to_dollar))
- add_care(new UniqCare.with_vals(150, 85.0, null, null))
- add_care(new UniqCare.with_vals(175, 90.0, null, 200.0.to_dollar))
- add_care(new UniqCare.with_vals(200, 90.0, null, 250.0.to_dollar))
- add_care(new RangeCare.with_vals([300..399], 90.0, null, null))
- add_care(new UniqCare.with_vals(400, 90.0, null, null))
- add_care(new UniqCare.with_vals(500, 90.0, null, 150.0.to_dollar))
- add_care(new UniqCare.with_vals(600, 75.0, null, 300.0.to_dollar))
- add_care(new UniqCare.with_vals(700, 90.0, null, null))
- end
-end
-
-private class ContractD
- super Contract
-
- init do
- kind = "D"
- add_care(new UniqCare.with_vals(0, 100.0, 85.0.to_dollar, null))
- add_care(new UniqCare.with_vals(100, 100.0, 75.0.to_dollar, 250.0.to_dollar))
- add_care(new UniqCare.with_vals(150, 100.0, 150.0.to_dollar, null))
- add_care(new UniqCare.with_vals(175, 95.0, null, 200.0.to_dollar))
- add_care(new UniqCare.with_vals(200, 100.0, 100.0.to_dollar, 250.0.to_dollar))
- add_care(new RangeCare.with_vals([300..399],100.0, null, null))
- add_care(new UniqCare.with_vals(400, 100.0, 65.0.to_dollar, null))
- add_care(new UniqCare.with_vals(500, 100.0, null, 150.0.to_dollar))
- add_care(new UniqCare.with_vals(600, 100.0, 100.0.to_dollar, 300.0.to_dollar))
- add_care(new UniqCare.with_vals(700, 100.0, 90.0.to_dollar, null))
- end
-end
-
-private class ContractE
- super Contract
-
- init do
- kind = "E"
- add_care(new UniqCare.with_vals(0, 15.0, null, null))
- add_care(new UniqCare.with_vals(100, 25.0, null, 250.0.to_dollar))
- add_care(new UniqCare.with_vals(150, 15.0, null, null))
- add_care(new UniqCare.with_vals(175, 25.0, 20.0.to_dollar, 200.0.to_dollar))
- add_care(new UniqCare.with_vals(200, 12.0, null, 250.0.to_dollar))
- add_care(new RangeCare.with_vals([300..399], 60.0, null, null))
- add_care(new UniqCare.with_vals(400, 25.0, 15.0.to_dollar, null))
- add_care(new UniqCare.with_vals(500, 30.0, 20.0.to_dollar, 150.0.to_dollar))
- add_care(new UniqCare.with_vals(600, 15.0, null, 300.0.to_dollar))
- add_care(new UniqCare.with_vals(700, 22.0, null, null))
- end
-end
-
-# A `Care` is payed by the `Client` and can raises a `Refund`.
-interface Care
-
- # Does `id` is acceptable for this care?
- fun match_id(id: Int): Bool is abstract
-
- # Percent covered for this kind of care.
- fun cover: Float is abstract
-
- # Max amount covered for this kind of care by reclamation.
- fun max: nullable Dollar is abstract
-
- # Max amount covered for this kind of care by month.
- fun month_max: nullable Dollar is abstract
-
- # Computes the refund for this care.
- fun process_refund(fees: Dollar): Dollar do
- var max = self.max
- var val = ((fees.value.to_f * (cover / 100.0)) / 100.0).to_dollar
- if max != null and val > max then val = max
- return val
- end
-end
-
-# A `UniqCare` refers to one and only one kind of `Care`.
-#
-# For example, the care `Ostéopathie` as the uniq id `200`.
-class UniqCare
- super Care
-
- # Care id.
- var id: Int
-
- redef fun match_id(id) do return self.id == id
-
- redef var cover = 0.0
- redef var max = null
- redef var month_max = null
-
- # Inits this `Care` with values.
- #
- # * `id`: the `Care` id.
- # * `cover`: refund percentage covered for this `Care`.
- # * `max`: max amount refunded for this `Care` in a reclamation sheet.
- # * `month_max`: max amount refunded by month.
- init with_vals(id: Int, cover: Float, max, month_max: nullable Dollar) do
- init(id)
- self.cover = cover
- self.max = max
- self.month_max = month_max
- end
-
- redef fun to_s do return id.to_s
-end
-
-# A `RangeCare` refers to a set of id corresponding to the same `Care`.
-#
-# For example, the care `Soins Dentaires` is refered by the ids 300 to 399.
-class RangeCare
- super Care
-
- # Care id range.
- var id: Range[Int]
-
- redef fun match_id(id) do return self.id.has(id)
- redef var cover = 0.0
- redef var max = null
- redef var month_max = null
-
- # Inits this `Care` with values.
- #
- # * `id`: the `Care` id.
- # * `cover`: refund percentage covered for this `Care`.
- # * `max`: max amount refunded for this `Care` in a reclamation sheet.
- # * `month_max`: max amount refunded by month.
- init with_vals(id: Range[Int], cover: Float, max, month_max: nullable Dollar) do
- init(id)
- self.cover = cover
- self.max = max
- self.month_max = month_max
- end
-
- redef fun to_s do return id.first.to_s
-end
-
-# Used to represent currencies values.
-class Dollar
- super Comparable
-
- redef type OTHER: Dollar
-
- # Amount of cents.
- var value: Int
-
- # Inits `self` from a float `value`.
- init from_float(value: Float) do
- init((value * 100.0).to_i)
- end
-
- redef fun to_s do return "{value / 100}.{value % 100}$"
- redef fun <(o) do return value < o.value
-
- # Dollars addition.
- fun +(o: Dollar): Dollar do return new Dollar(value + o.value)
-
- # Dollars substraction.
- fun -(o: Dollar): Dollar do return new Dollar(value - o.value)
-end
-
-redef class Float
- # Returns `self` as a Dollar instance.
- fun to_dollar: Dollar do return new Dollar.from_float(self)
-end
nitlanguage / nit.git / blobdiff