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Chapter1/Homework/8 #813

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213 changes: 208 additions & 5 deletions Src/BootCamp.Chapter/BalanceStats.cs
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Original file line number Diff line number Diff line change
@@ -1,37 +1,240 @@
namespace BootCamp.Chapter
using System.Globalization;
using System.Linq;
using System.Text;
using System;

namespace BootCamp.Chapter
{
public static class BalanceStats
{
public static string FormatString(string strHigh)
{
//below block is for formatting the text to be written.
int index = 0;
int HoldIndex = 0;
while (true)
{
index = strHigh.IndexOf(",", index);
if (index > 0)
{
HoldIndex = index;
++index;
continue;
}
else break;
}

//To replace last found ',' with and replace the ',' with ", "
if (HoldIndex > 0)
{
var sb = new StringBuilder(strHigh);
sb.Remove(HoldIndex, 1);
sb.Insert(HoldIndex, " and ");
sb.Replace(",", ", ");
strHigh = sb.ToString();
}
return strHigh;
}
/// <summary>
/// Return name and balance(current) of person who had the biggest historic balance.
/// </summary>
public static string FindHighestBalanceEver(string[] peopleAndBalances)
{
return "";

float LastHighBalance = -99999999.00f;
string strHigh = "N/A.";

//If the balances are not having any items or null return N/A.
if (peopleAndBalances == null || peopleAndBalances.Length == 0)
{
return "N/A.";
}

foreach (string str in peopleAndBalances)
{
//if the strings are empty we shall continue with next iteration
if (str.Length == 0)
continue;

//strings have balances, so split them with ','.
string[] PersonDetails = str.Split(",", StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries);

for (int i = 1; i < PersonDetails.Length; ++i)
{
float balance;
bool tryFloat = float.TryParse(PersonDetails[i], NumberStyles.Currency, CultureInfo.CreateSpecificCulture("en-GB"), out balance);
if (!tryFloat) continue;
//retireve the highest balance.
if (LastHighBalance < balance)
{
LastHighBalance = balance;
strHigh = PersonDetails[0];
}
//People with same high historic balances need to appended.
else if (LastHighBalance == balance)
{
strHigh = string.Concat(strHigh, ",", PersonDetails[0]);
}
}
}
//For the array of balances, if there are no balances then return N/A.
if (strHigh.CompareTo("N/A.") == 0) return strHigh;

strHigh = FormatString(strHigh);

return strHigh = string.Concat(strHigh, $" had the most money ever. ¤{LastHighBalance}.");


}

/// <summary>
/// Return name and loss of a person with a biggest loss (balance change negative).
/// </summary>
public static string FindPersonWithBiggestLoss(string[] peopleAndBalances)
{
return "";
float BiggestLoss = 999999999f;
string strHigh = "N/A.";

//If the balances are not having any items or null return N/A.
if (peopleAndBalances == null || peopleAndBalances.Length == 0)
{
return "N/A.";
}

foreach (string str in peopleAndBalances)
{
//if the strings are empty we shall continue with next iteration
if (str.Length == 0)
continue;

//strings have balances, so split them with ','.
string[] PersonDetails = str.Split(",", StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries);

for (int i = 1; i < PersonDetails.Length; ++i)
{

float balance;
bool tryFloat = float.TryParse(PersonDetails[i], NumberStyles.Currency, CultureInfo.CreateSpecificCulture("en-GB"), out balance);
if (!tryFloat) continue;
//retireve the highest balance.
if (BiggestLoss > balance)
{
BiggestLoss = balance;
strHigh = PersonDetails[0];
}
//People with same high historic balances need to appended.
else if (BiggestLoss == balance)
{
strHigh = string.Concat(strHigh, ",", PersonDetails[0]);
}
}
}

if (BiggestLoss >= 0) return "N/A.";
//For the array of balances, if there are no balances then return N/A.
if (strHigh.CompareTo("N/A.") == 0) return strHigh;

strHigh = FormatString(strHigh);
CultureInfo culture = new CultureInfo("de-De");
return strHigh = string.Concat(strHigh, $" lost the most money. ¤{BiggestLoss}.");
}

/// <summary>
/// Return name and current money of the richest person.
/// </summary>
public static string FindRichestPerson(string[] peopleAndBalances)
{
return "";
float CurrentRichestBal = -99999999.00f;
string strHigh = "N/A.";
bool bFlag = false;

//If the balances are not having any items or null return N/A.
if (peopleAndBalances == null || peopleAndBalances.Length == 0)
{
return "N/A.";
}

foreach (string str in peopleAndBalances)
{
//if the strings are empty we shall continue with next iteration
if (str.Length == 0)
continue;

//strings have balances, so split them with ','.
string[] PersonDetails = str.Split(",", StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries);

float balance;
bool tryFloat = float.TryParse(PersonDetails.Last(), NumberStyles.Currency, CultureInfo.CreateSpecificCulture("en-GB"), out balance);
if (!tryFloat) continue;

//retireve the highest current balance.
if (CurrentRichestBal < balance)
{
CurrentRichestBal = balance;
strHigh = PersonDetails[0];
}
//People with same high historic balances need to appended.
else if (CurrentRichestBal == balance)
{
bFlag = true;
strHigh = string.Concat(strHigh, ",", PersonDetails[0]);
}
}
//For the array of balances, if there are no balances then return N/A.
if (strHigh.CompareTo("N/A.") == 0) return strHigh;

strHigh = FormatString(strHigh);
if (bFlag) return strHigh = string.Concat(strHigh, $" are the richest people. ¤{CurrentRichestBal}.");
return strHigh = string.Concat(strHigh, $" is the richest person. ¤{CurrentRichestBal}.");
}

/// <summary>
/// Return name and current money of the most poor person.
/// </summary>
public static string FindMostPoorPerson(string[] peopleAndBalances)
{
return "";
float LeastCurrMoney = 99999999.00f;
string strHigh = "N/A.";
bool bFlag = false;

//If the balances are not having any items or null return N/A.
if (peopleAndBalances == null || peopleAndBalances.Length == 0)
{
return "N/A.";
}

foreach (string str in peopleAndBalances)
{
//if the strings are empty we shall continue with next iteration
if (str.Length == 0)
continue;

//strings have balances, so split them with ','.
string[] PersonDetails = str.Split(",", StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries);

float balance;
bool tryFloat = float.TryParse(PersonDetails.Last(), NumberStyles.Currency, CultureInfo.CreateSpecificCulture("en-GB"), out balance);
if (!tryFloat) continue;

//retireve the highest current balance.
if (LeastCurrMoney > balance)
{
LeastCurrMoney = balance;
strHigh = PersonDetails[0];
}
//People with same high historic balances need to appended.
else if (LeastCurrMoney == balance)
{
bFlag = true;
strHigh = string.Concat(strHigh, ",", PersonDetails[0]);
}
}
//For the array of balances, if there are no balances then return N/A.
if (strHigh.CompareTo("N/A.") == 0) return strHigh;

strHigh = FormatString(strHigh);
if (bFlag) return strHigh = string.Concat(strHigh, $" have the least money. ¤{LeastCurrMoney}.");
return strHigh = string.Concat(strHigh, $" has the least money. ¤{LeastCurrMoney}.");
}
}
}
2 changes: 1 addition & 1 deletion Src/BootCamp.Chapter/BootCamp.Chapter.csproj
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@

<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>netcoreapp3.0</TargetFramework>
<TargetFramework>netcoreapp6.0</TargetFramework>
</PropertyGroup>

<ItemGroup>
Expand Down
61 changes: 59 additions & 2 deletions Src/BootCamp.Chapter/FileCleaner.cs
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Original file line number Diff line number Diff line change
@@ -1,20 +1,77 @@
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using System.Globalization;

namespace BootCamp.Chapter
{
public static class FileCleaner
{
static void CheckForInvalidCharInName(string[] lineArr)
{
string str = lineArr[0];
if (!(str.All(x => Char.IsLetter(x) || x == ' ' || x == '\'' || x == '-')))
throw new InvalidBalancesException("Invalid Character in Name", new Exception());
}

static void CheckForInvalidCharInBalance(string[] lineArr)
{
float balance = 0.0f;
for (int i = 1; i < lineArr.Length; i++)
{
bool tryFloat = float.TryParse(lineArr[i], NumberStyles.Currency, CultureInfo.CreateSpecificCulture("en-GB"), out balance);
if (!tryFloat) throw new InvalidBalancesException("Balance is not valid", new Exception());
}

}

/// <summary>
/// Cleans up dirtyFileName
/// </summary>
/// <param name="dirtyFile">Dirty file with "_" placed in random places.</param>
/// <param name="cleanedFile">Cleaned up file without any "_".</param>
public static void Clean(string dirtyFile, string cleanedFile)
{
File.WriteAllText(cleanedFile, "a");
}
try
{
if (dirtyFile == null || dirtyFile.Length == 0)
{
throw new ArgumentException();
}

if (!File.Exists(dirtyFile))
{
throw new ArgumentException();
}

string stringFile = File.ReadAllText(dirtyFile);

if (stringFile.Length > 0)
{
if (stringFile.Contains('_'))
{
stringFile = stringFile.Replace("_", "");
}
var arrStr = stringFile.Split("\r\n", StringSplitOptions.RemoveEmptyEntries);
foreach (var str in arrStr)
{
var lineArr = str.Split(",", StringSplitOptions.RemoveEmptyEntries);
CheckForInvalidCharInName(lineArr);
CheckForInvalidCharInBalance(lineArr);
}
File.WriteAllText(cleanedFile, stringFile.ToString());
}
File.WriteAllText(cleanedFile, stringFile.ToString());
}
catch(InvalidBalancesException e)
{
throw e;
}

}
}
}
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