private async Task <AddressDataModel> GetAddressData(Address address) //gets address informations and request it's details from the google api
{
string request = "https://maps.googleapis.com/maps/api/geocode/json?"; //The base google api request uri
request = request + "address=" + address.StreetNumber
+ "+" + address.Route.Replace(" ", "+") + ","
+ "+" + address.City.Replace(" ", "+") + ","
+ "+" + address.Country.Replace(" ", "+") + ","
+ "+" + address.PLZ + ","
+ "&key=AIzaSyB_0wHwmbg5aMjbUxMvT3SxjlE_aSnYlp4"; //api key
string httpResponseMessage = await httpClient.GetStringAsync(request); //requesting
AddressDataModel deserilaiyedResponse = JsonConvert.DeserializeObject <AddressDataModel>(httpResponseMessage); //Deserializing the request result from string to AddressDataModel
return(deserilaiyedResponse);
}
public async Task <bool> Add(Address address) //adding and a address to the database
{
try
{
AddressDataModel deserilaiyedResponse = await GetAddressData(address); //returns a data model of the json returned from the api
if (deserilaiyedResponse.status == "OK")
{
address.Lat = deserilaiyedResponse.results[0].geometry.location.lat; //adding latitude value to the passed in model
address.Lng = deserilaiyedResponse.results[0].geometry.location.lng; //adding longitude value to the passed in model
}
var entity = appDbContext.Addresses.Add(address); //Saving the complete model
return(await(appDbContext.SaveChangesAsync()) > 0); //Committing the change to the database (retrun true if at least on line is changed)
}
catch (Exception e)
{
throw;
}
}
public async Task <bool> Edit(Address address) //editing a passed in address
{
try
{
AddressDataModel deserilaiyedResponse = await GetAddressData(address);
if (deserilaiyedResponse.status == "OK")
{
address.Lat = deserilaiyedResponse.results[0].geometry.location.lat; //adding latitude value to the passed in model
address.Lng = deserilaiyedResponse.results[0].geometry.location.lng; //adding longitude value to the passed in model
}
var entity = appDbContext.Addresses.Attach(address); //Updating the complete model
entity.State = Microsoft.EntityFrameworkCore.EntityState.Modified; //Setting the state as modfiied so that changes can be commited
return((await appDbContext.SaveChangesAsync()) > 0); //Committing the change to the database
}
catch (Exception e)
{
throw e;
}
}
