// The returned list is ready to be put out over API and View
public List<Restaurant> queryForRestaurantsAndCalculate(IncomingRequestUI request)
{
if (request == null)
return null;
restaurantsWithinRadius = new List<Restaurant>();
// Find the lat/long (Point) of the IncomingRequestUI using FilmLocationsDAL
Point requestPoint = null;
List<Location> locationsForRequestedFilm = fdal.findLocationsByFilm(request.filmName);
foreach (Location loc in locationsForRequestedFilm)
{
if (loc.locnText.Equals(request.location))
{
requestPoint = loc.point;
}
}
if (requestPoint == null)
return null;
// Find all restaurants
List<Restaurant> allRestaurants = rdal.findAllRestaurants();
// Create a Calculator obj
LocationCalculator calc = new LocationCalculator();
// Iterate through all restaurants in the DB
for (int i = 0; i < allRestaurants.Count; i++)
{
// Passing the centre point, restaurant point and radius into the calculator
calc.setNewQuery(requestPoint, allRestaurants[i].point, request.radius);
// If the calculator decides the restarant is within the radius...
if (calc.isInsideRadius())
{
// ...add it to the outgoing list
restaurantsWithinRadius.Add(allRestaurants[i]);
}
}
// Return the list of all Restaurants within radius
return restaurantsWithinRadius;
}
public void isInsideRadiusTest()
{
LocationCalculator target = new LocationCalculator(); // TODO: Initialize to an appropriate value
// Actual distance between locations = 0.94km;
// 49-51 W 46th St
target.xCentre = 40.756912;
target.yCentre = -73.980989;
// 4-42 W 58th St
target.xLocation = 40.764259;
target.yLocation = -73.975325;
target.radius = 1; //km
bool actual = target.isInsideRadius();
bool expected = true;
actual = target.isInsideRadius();
Assert.AreEqual(expected, actual);
}
public void isInsideRadiusTestFALSE()
{
LocationCalculator target = new LocationCalculator(); // TODO: Initialize to an appropriate value
// Actual distance between locations = 1.3km;
// 49-51 W 46th St
target.xCentre = 40.756912;
target.yCentre = -73.980989;
// 37-39 W 77th St
target.xLocation = 40.774361;
target.yLocation = -73.975244;
target.radius = 1; //km
bool actual = target.isInsideRadius();
bool expected = false;
actual = target.isInsideRadius();
Assert.AreEqual(expected, actual);
}
public void LocationCalculatorConstructorTest()
{
LocationCalculator target = new LocationCalculator();
LocationCalculator target2 = new LocationCalculator();
Assert.AreEqual(target.radius, target2.radius);
Assert.AreEqual(target.xCentre, target2.xCentre);
Assert.AreEqual(target.yCentre, target2.yCentre);
Assert.AreEqual(target.xLocation, target2.xLocation);
Assert.AreEqual(target.yLocation, target2.yLocation);
}
