Coding Challenge

The Task

The following JSON contains an array of journeys. Using the data provided, the public OSRM API, the sample rates, and the special discount conditions, add the following attributes to each journey:

• distance - optimum meters travelled.
• duration - optimum seconds the journey would have lasted.
• currency
• price
• discount - discount to be applied.
• total_price - the price minus any discounts

Bonus points for showing the results in a table.

[
   {
       "id": "1",
       "region": "ES",
       "user_id": "1",
       "start_loc": [
           40.4680577,
           -3.68662464
       ],
       "end_loc": [
           40.4693121,
           -3.57150993
       ],
       "created_at": "2015-04-28T23:55:23Z"
   },
   {
       "id": "2",
       "region": "ES",
       "user_id": "1",
       "start_loc": [
           40.42781612,
           -3.69053515
       ],
       "end_loc": [
           40.45273632,
           -3.70322515
       ],
       "created_at": "2015-04-30T23:55:23Z"
   },
   {
       "id": "3",
       "region": "ES",
       "user_id": "14",
       "start_loc": [
           40.4542094,
           -3.6812724999999773
       ],
       "end_loc": [
           40.4921,
           -3.5935399999999618
       ],
       "created_at": "2015-05-02T06:55:23Z"
   },
   {
       "id": "4",
       "region": "ES",
       "user_id": "1",
       "start_loc": [
           40.408851,
           -3.692484000000036
       ],
       "end_loc": [
           40.50638500000001,
           -3.6719112000000678
       ],
       "time": "2015-05-02T13:55:23Z"
   },
   {
       "id": "5",
       "region": "ES",
       "user_id": "14",
       "start_loc": [
           40.46645561017568,
           -3.689838834106922
       ],
       "end_loc": [
           40.411141,
           -3.69356
       ],
       "created_at": "2015-05-05T05:50:00Z"
   },
   {
       "id": "6",
       "region": "MX",
       "user_id": "14",
       "start_loc": [
           19.40531158447266,
           -99.17715454101562
       ],
       "end_loc": [
           19.49521636962891,
           -99.119587
       ],
       "created_at": "2015-05-05T16:30:11Z"
   },
   {
       "id": "7",
       "region": "MX",
       "user_id": "14",
       "start_loc": [
           19.44203186035156,
           -99.20143034309149
       ],
       "end_loc": [
           19.43360137939453,
           -99.0709228515625
       ],
       "created_at": "2015-05-05T18:45:00Z"
   },
   {
       "id": "8",
       "region": "MX",
       "user_id": "14",
       "start_loc": [
           19.39804091534896,
           -99.1644262522459
       ],
       "end_loc": [
           19.42952488,
           -99.17952076
       ],
       "created_at": "2015-05-05T20:53:19Z"
   },
   {
       "id": "9",
       "region": "PE",
       "user_id": "16",
       "start_loc": [
           -12.024053,
           -77.11203599999999
       ],
       "end_loc": [
           -12.0970329,
           -77.03390790000003
       ],
       "created_at": "2015-05-06T16:05:20Z"
   },
   {
       "id": "10",
       "region": "ES",
       "user_id": "121",
       "start_loc": [
           40.43969425642679,
           -3.8107149297015472
       ],
       "end_loc": [
           40.4907123187136,
           -3.593661562633359
       ],
       "created_at": "2015-05-10T10:00:00Z"
   },
   {
       "id": "11",
       "region": "ES",
       "user_id": "23",
       "start_loc": [
           40.43862915039062,
           -3.717599868774414
       ],
       "end_loc": [
           40.43637084960938,
           -3.685964584350586
       ],
       "created_at": "2015-05-15T18:15:19Z"
   }
]

Extra info

Country	Price/km	Currency
Spain (ES)	1.50â	EUR
Mexico (MX)	14$	MXN
Peru (PE)	14/2.50	PEN

Apply some discounts based on the following rules:

• 3-for-2 campaign for journeys on the same day and country.
• If a user travels more than 10km in a single journey, every kilometer thereafter should be given a 15% discount.
• Discounts accumulate!