/// <summary>
///
/// </summary>
/// <param name="objDataAnalysisHelper"></param>
/// <returns></returns>
public List <Person> GetPersonListFromFile(DataAnalysisHelper dataAnalysisHelper)
{
Error = string.Empty;
List <Person> persons = new List <Person>();
try
{
string currentDirectory = dataAnalysisHelper.GetCurrentDirectory();
if (dataAnalysisHelper.Error == string.Empty)
{
string filePath = System.IO.Path.Combine(currentDirectory, "CSVFiles", "dataOct-17-2018.csv");
persons = File.ReadAllLines(filePath)
.Skip(1)
.Select(v => this.ReadFromCsv(v, new Person()))
.ToList();
}
else
{
Error = dataAnalysisHelper.Error;
}
}
catch (Exception ex)
{
Error = string.Format("An unknown error occurred while reading Person List From File. Exception Details:::{0}", ex.InnerException);
}
return(persons);
}
static void Main(string[] args)
{
PrintHelper printHelper = new PrintHelper();
printHelper.PrintText("Start Data Analysis.");
printHelper.PrintText("::::::::::::::::::::");
printHelper.PrintText("");
try
{
DataAnalysisService dataAnalysisService = new DataAnalysisService();
DataAnalysisHelper dataAnalysisHelper = new DataAnalysisHelper();
/*
* Reading a text file and Binding to Person List,
* This functionality will be changed if retrieved from database
* Entity Framework/ADO.NET Can be used to retrive data from DB and Bind As a PersonList
*/
List <Person> personList = dataAnalysisService.GetPersonListFromFile(dataAnalysisHelper);
if (dataAnalysisService.Error != string.Empty)
{
printHelper.PrintText(dataAnalysisService.Error);
}
else
{
//1) Distance of the people relating to -37.954, 144.615
List <PersonInformation> personInformationList = dataAnalysisService.GetPersonInformationList(personList, dataAnalysisHelper);
if (dataAnalysisService.Error == string.Empty)
{
//2) People within 1000 m of reference point
List <PersonInformation> personInfomationRelativeDistanceLessThanThousandMeters
= dataAnalysisService.GetPersonInfomationListRelativeDistanceLessThanThousandMeters
(personInformationList, dataAnalysisHelper);
printHelper.PrintText(string.Format("People within 1000m of the reference point Lat {0} Long {1}.",
RelativePoint.LATTITUDE.ToString(),
RelativePoint.LONGITUDE.ToString()));
if (dataAnalysisService.Error != "")
{
printHelper.PrintText(dataAnalysisService.Error);
}
else
{
printHelper.PrintText(string.Format("No of People {0}", personInfomationRelativeDistanceLessThanThousandMeters.Count()));
}
//Break Point
printHelper.PrintText("");
//3) Top 10 people closest to reference point.
printHelper.PrintText(string.Format("Top 10 people closest to reference point Lat {0} Long {1}.", RelativePoint.LATTITUDE.ToString(), RelativePoint.LONGITUDE.ToString()));
List <PersonInformation> topTenPersonInfomationToRelativeDistance = dataAnalysisService.GettopTenPersonInfomationToRelativeDistance(personInformationList);
if (dataAnalysisService.Error != "")
{
printHelper.PrintText(dataAnalysisService.Error);
}
else
{
printHelper.PrintPersonInformation(topTenPersonInfomationToRelativeDistance);
}
//Break Point
printHelper.PrintText("");
//4) People with Attribute = 1
printHelper.PrintText(string.Format("People with Attribute 1.", RelativePoint.LATTITUDE.ToString(), RelativePoint.LONGITUDE.ToString()));
List <PersonInformation> personInfomationWithAttributeOne = dataAnalysisService.GetPersonInfomationWithAttributeOne(personInformationList);
if (dataAnalysisService.Error != "")
{
printHelper.PrintText(dataAnalysisService.Error);
}
else
{
printHelper.PrintPersonInformation(personInfomationWithAttributeOne);
}
}
else
{
printHelper.PrintText(dataAnalysisService.Error);
}
}
}
catch (Exception ex)
{
printHelper.PrintText(string.Format("Data Analysis Unexcepted Error Occured{0}", ex.StackTrace));
}
printHelper.PrintText("");
printHelper.PrintText("::::::::::::::::::::");
printHelper.PrintText("Stop Data Analysis");
}
/// <summary>
///
/// </summary>
/// <param name="persons"></param>
/// <param name="dataAnalysisHelper"></param>
/// <returns></returns>
public List <PersonInformation> GetPersonInformationList(List <Person> persons, DataAnalysisHelper dataAnalysisHelper)
{
Error = string.Empty;
List <PersonInformation> personInformationList = new List <PersonInformation>();
try
{
personInformationList = persons.Select(e =>
new PersonInformation
{
LastName = e.LastName,
FirstName = e.FirstName,
Attribute = e.Attribute,
Suburb = e.Suburb,
PostCode = e.PostCode,
Lat = e.Lat,
Lon = e.Lon,
RelativeDistance
=
dataAnalysisHelper.GetDistanceBetweenCoordinates(e.Lat, e.Lon, RelativePoint.LATTITUDE, RelativePoint.LONGITUDE)
}
).ToList();
}
catch (Exception ex)
{
Error = string.Format("An unknown error occurred while generating Person Information List. Exception Details:::{0}", ex.InnerException);
}
return(personInformationList);
}
/// <summary>
///
/// </summary>
/// <param name="personInformationList"></param>
/// <param name="dataAnalysisHelper"></param>
/// <returns></returns>
public List <PersonInformation> GetPersonInfomationListRelativeDistanceLessThanThousandMeters(List <PersonInformation> personInformationList, DataAnalysisHelper dataAnalysisHelper)
{
Error = string.Empty;
return(personInformationList.Where(e => e.RelativeDistance <= 1).ToList());
}