Checks all Shoppers Drug Marts for if they have COVID antigen tests available on a specific day

shoppers-drug-mart-covid-tests.sh

# make sure to change:
#   '2021-12-25' to the date you're looking for, and 
#   '45.000000; -75.11111' to your latitude and longitude
#   '100' to the amount of km thats max for your roadtrip out to get tested

# curl command taken from https://shoppersdrugmart.medmeapp.com/schedule/groups/Covid-19-Rapid-Screening (and removed the x-pharmacyid header)
curl 'https://gql.medscheck.medmeapp.com/graphql' \
-X 'POST' \
-H 'Content-Type: application/json' \
-H 'Accept: */*' \
-H 'Authorization: ' \
-H 'Accept-Language: en-US,en;q=0.9' \
-H 'Accept-Encoding: gzip, deflate, br' \
-H 'Host: gql.medscheck.medmeapp.com' \
-H 'Origin: https://shoppersdrugmart.medmeapp.com' \
-H 'Content-Length: 1039' \
-H 'User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.2 Safari/605.1.15' \
-H 'Referer: https://shoppersdrugmart.medmeapp.com/' \
-H 'Connection: keep-alive' \
-H 'x-tenantid: edfbb1a3-aca2-4ee4-bbbb-9237237736c4' \
--data-binary '{"operationName":"publicGetEnterprisePharmacies","variables":{"appointmentTypeName":"Asymptomatic COVID-19 Rapid Antigen Screening","enterpriseName":"SDM"},"query":"query publicGetEnterprisePharmacies($appointmentTypeName: String, $enterpriseName: String!, $storeNo: String) {\n  publicGetEnterprisePharmacies(appointmentTypeName: $appointmentTypeName, enterpriseName: $enterpriseName, storeNo: $storeNo) {\n    id\n    name\n    timeZone\n    enterprise\n    theme\n    logoLong\n    logoCircle\n    logoLongInverse\n    province\n    storeNo\n    pharmacyAddress {\n      id\n      unit\n      streetNumber\n      streetName\n      city\n      province\n      country\n      postalCode\n      poBox\n      longitude\n      latitude\n      __typename\n    }\n    pharmacyContact {\n      id\n      phone\n      email\n      __typename\n    }\n    appointmentTypes {\n      id\n      isWalkinAllowed\n      isWaitlisted\n      bookingStartDate\n      bookingEndDate\n      waitlistCount\n      __typename\n    }\n    __typename\n  }\n}\n"}' |

jq '

# from https://rosettacode.org/wiki/Haversine_formula#jq
def haversine(lat1;lon1; lat2;lon2):
  def radians: . * (1|atan)/45;
  def sind: radians|sin;
  def cosd: radians|cos;
  def sq: . * .;

    (((lat2 - lat1)/2) | sind | sq) as $dlat
  | (((lon2 - lon1)/2) | sind | sq) as $dlon
  | 2 * 6372.8 * (( $dlat + (lat1|cosd) * (lat2|cosd) * $dlon ) | sqrt | asin) ;

[
  .data.publicGetEnterprisePharmacies[] |
  select(.appointmentTypes[].bookingStartDate?[0:10] == "2021-12-25") |
  def dist: haversine(.pharmacyAddress.latitude | tonumber; .pharmacyAddress.longitude | tonumber; 45.000000; -75.11111) ;
  select(dist < 100) |
  {
    name: .name,
    address: .pharmacyAddress.city,
    date: .appointmentTypes[].bookingStartDate,
    distance: dist
  }
] |
sort_by(.distance)'

# example output:
# [
#   {
#     "name": "SHOPPERS DRUG MART River & Earl Armstrong",
#     "address": "Ottawa",
#     "date": "2021-12-25",
#     "distance": 3.605105867939924
#   },
#   {
#     "name": "SHOPPERS DRUG MART Bank & Findlay",
#     "address": "Ottawa",
#     "date": "2021-12-25",
#     "distance": 7.848609266189158
#   },
#   {
#     "name": "SHOPPERS DRUG MART Montreal Road",
#     "address": "Ottawa",
#     "date": "2021-12-25",
#     "distance": 12.440489145090158
#   }
# ]