contrib/refund/src/refund.nit

   1 # This file is part of NIT ( http://www.nitlanguage.org ).
   2 #
   3 # Copyright 2015 Alexandre Terrasa <alexandre@moz-code.org>
   4 #
   5 # Licensed under the Apache License, Version 2.0 (the "License");
   6 # you may not use this file except in compliance with the License.
   7 # You may obtain a copy of the License at
   8 #
   9 #     http://www.apache.org/licenses/LICENSE-2.0
  10 #
  11 # Unless required by applicable law or agreed to in writing, software
  12 # distributed under the License is distributed on an "AS IS" BASIS,
  13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 # See the License for the specific language governing permissions and
  15 # limitations under the License.
  16
  17 # Insurance refunds calculation tool.
  18 #
  19 # `refund` computes automatically the allowed refund for a reclamation according
  20 # to an insurrance policy.
  21 #
  22 # Usage:
  23 #
  24 # ~~~sh
  25 # > refund (<input_file> <output_file> | [OPTIONS])
  26 # ~~~
  27 #
  28 # Input file:
  29 #
  30 # `refund` expects a JSON input file on the form:
  31 #
  32 # ~~~json
  33 # {
  34 #  "dossier": "A100323",
  35 #  "mois": "2015-01",
  36 #  "reclamations": [
  37 #   {
  38 #    "soin": 100,
  39 #    "date": "2015-01-11",
  40 #    "montant": "234.00$"
  41 #   }, {
  42 #    "soin": 200,
  43 #    "date": "2015-01-13",
  44 #    "montant": "128.00$"
  45 #   }, {
  46 #    "soin": 334,
  47 #    "date": "2015-01-23",
  48 #    "montant": "50.00$"
  49 #   }
  50 #  ]
  51 # }
  52 # ~~~
  53 #
  54 # Output file:
  55 #
  56 # You have to specify the path where `refund` should output the result file.
  57 #
  58 # Results are formatted as JSON:
  59 #
  60 # ~~~json
  61 # {
  62 #  "client": "100323",
  63 #  "mois": "2015-01",
  64 #  "remboursements": [
  65 #   {
  66 #    "soin": 100,
  67 #    "date": "2015-01-11",
  68 #    "montant": "58.50$"
  69 #   }, {
  70 #    "soin": 200,
  71 #    "date": "2015-01-13",
  72 #    "montant": "22.50$"
  73 #   }, {
  74 #    "soin": 334,
  75 #    "date": "2015-01-23",
  76 #    "montant": "0.00$"
  77 #   }
  78 #  ]
  79 # }
  80 # ~~~
  81 #
  82 # Options:
  83 #
  84 # `refund` can generate statistics about reclamations and refunds computed.
  85 #
  86 # * `-S`: display statistics
  87 # * `-SR`: reset statistics
  88 #
  89 # Error handling:
  90 #
  91 # In case of error, a JSON object is generated in place of the output file:
  92 #
  93 # ~~~json
  94 # { "message": "Invalid input data" }
  95 # ~~~
  96 module refund
  97
  98
  99 import refund_json
 100
 101 # Display usage in console then leave.
 102 fun usage do
 103         print ""
 104         print "Usage:"
 105         print "refund <input.json> <output.json>"
 106         print ""
 107         print "options"
 108         print " -S\tShow stats in console"
 109         print " -RS\tClear stats"
 110         exit 1
 111 end
 112
 113 var proc = new RefundProcessor
 114
 115 if args.length == 1 then
 116         var flag = args.first
 117         if flag == "-RS" then
 118                 proc.clear_stats
 119                 exit 0
 120         else if flag == "-S" then
 121                 proc.show_stats
 122                 exit 0
 123         else
 124                 print "Error: Unknown flag {flag}."
 125                 usage
 126         end
 127 else if args.length != 2 then
 128         print "Error: Incorrect number of arguments. Got {args.length}, expected 2."
 129         usage
 130 end
 131
 132 proc.process(args[0], args[1])