Class: Poke::API::Helpers

Inherits:
Object
  • Object
show all
Defined in:
lib/poke-api/helpers.rb

Class Method Summary collapse

Class Method Details

.camel_case_lower(sym) ⇒ Object 



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# File 'lib/poke-api/helpers.rb', line 12

def camel_case_lower(sym)
  sym.to_s.split('_').collect(&:capitalize).join
end

.d2h(input) ⇒ Object 



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# File 'lib/poke-api/helpers.rb', line 39

def d2h(input)
  [input].pack('d').unpack('Q').first.to_s(16).split.pack('H*')
end

.fetch_time(ms: true) ⇒ Object 



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# File 'lib/poke-api/helpers.rb', line 16

def fetch_time(ms: true)
  ms ? (Time.now.to_f * 1000).to_i : Time.now.to_i
end

.format_time_diff(low, high, ms = true) ⇒ Object 



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# File 'lib/poke-api/helpers.rb', line 43

def format_time_diff(low, high, ms = true)
  diff = high - low
  m, s = ms ? (diff / 1000).divmod(60) : diff.divmod(60)
  m.divmod(60) + [s]
end

.generate_location_one(auth_ticket, pos) ⇒ Object 



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# File 'lib/poke-api/helpers.rb', line 20

def generate_location_one(auth_ticket, pos)
  first_hash = XXhash.xxh32(auth_ticket, 0x1B845238)
  location_bytes = d2h(pos[0]) + d2h(pos[1]) + d2h(pos[2])

  XXhash.xxh32(location_bytes, first_hash)
end

.generate_location_two(pos) ⇒ Object 



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# File 'lib/poke-api/helpers.rb', line 27

def generate_location_two(pos)
  location_bytes = d2h(pos[0]) + d2h(pos[1]) + d2h(pos[2])

  XXhash.xxh32(location_bytes, 0x1B845238)
end

.generate_request(auth_ticket, request) ⇒ Object 



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# File 'lib/poke-api/helpers.rb', line 33

def generate_request(auth_ticket, request)
  first_hash = XXhash.xxh64(auth_ticket, 0x1B845238)

  XXhash.xxh64(request, first_hash)
end

.get_cells(lat, lng, radius = 10) ⇒ Object 



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# File 'lib/poke-api/helpers.rb', line 49

def get_cells(lat, lng, radius = 10)
  s2_point = Poke::API::Geometry::S2LatLon.new(lat, lng).to_point
  s2_cell  = Poke::API::Geometry::S2CellId.from_point(s2_point).parent(15)

  next_cell = s2_cell.next
  prev_cell = s2_cell.prev

  radius.times.reduce([s2_cell.id]) do |acc, _|
    acc += [next_cell.id, prev_cell.id]
    next_cell = next_cell.next
    prev_cell = prev_cell.prev
    acc
  end.sort
end

.get_position(pos) ⇒ Object 



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# File 'lib/poke-api/helpers.rb', line 8

def get_position(pos)
  Geocoder.search(pos)
end