private static void FormReport(IList <Item> items, GildenRose gildenRose)
{
#region String builder for report data text accunulation initialization
string reportHeader = "Gilden Rose goods quality change report for 30 days" + "\r\n" + "\r\n";
//string builder class is more effective to accumulate text than string class, because string is unmutable array of chars
//and in most cases more effective to accumulate data in it than read line by line directly into a file
//For sting builder initialization is used constructor which accepts string and initial capasity in char
//As aftertesting was detected that formed stringBuilder capasity was 16192 after this test initial capasity set to 16500
StringBuilder stringBuilder = new StringBuilder(reportHeader, 16500);
#endregion
#region Gilden Rose goods quality change for the next 30 days text data accumulation in stringBuilder
//In the cases when are nested for loops I use meaningful index names.
//i is changed to dayIndex, j to itemIndex
for (var dayIndex = 0; dayIndex < 31; dayIndex++)
{
//In the commented code lines below are old code version
//Console.WriteLine("-------- day " + dayIndex + " --------");
//Console.WriteLine("name, sellIn, quality");
stringBuilder.Append("-------- day " + dayIndex + " --------" + "\r\n");
stringBuilder.Append("name, sellIn, quality" + "\r\n");
for (var itemIndex = 0; itemIndex < items.Count; itemIndex++)
{
//In the commented code lines below are old code version
//System.Console.WriteLine(items[itemIndex]);
stringBuilder.Append(items[itemIndex] + "\r\n");
}
//In the commented code lines below are old code version
//Console.WriteLine("");
stringBuilder.Append("\r\n");
gildenRose.UpdateQuality();
}
#endregion Gilden Rose goods quality change for the next 30 days text data accumulation in stringBuilder
#region Path for report file formation and write accumulated text into report file
string pathToDirectory = AppDomain.CurrentDomain.BaseDirectory;
string reportFileName = "Report.txt";
string pathToreportFile = Path.Combine(pathToDirectory, reportFileName);
using (StreamWriter sw = new StreamWriter(pathToreportFile, false, Encoding.UTF8))
{
sw.WriteLine(stringBuilder.ToString());
}
#endregion
}
public static void ExecuteProgramMethods()
{
#region items collection initialization
//Code is more readable when the code block devoted to one purpose is in the Visual Studio region.
//It allows a developer to collapse region and focus on the other codes blocks which are more
//actual at some moment during code creation and edition.
//According to C# naming convention,
// https://github.com/ktaranov/naming-convention/blob/master/C%23%20Coding%20Standards%20and%20Naming%20Conventions.md
//local variables notation is camelCase.
//It is the reason why I changed Items name to items
IList <Item> items = new List <Item>
{
new Item {
Name = "+5 Dexterity Vest", SellIn = 10, Quality = 20
},
new Item {
Name = "Aged Brie", SellIn = 2, Quality = 0
},
new Item {
Name = "Elixir of the Mongoose", SellIn = 5, Quality = 7
},
new Item {
Name = "Sulfuras, Hand of Ragnaros", SellIn = 0, Quality = 80
},
new Item {
Name = "Sulfuras, Hand of Ragnaros", SellIn = -1, Quality = 80
},
new Item
{
Name = "Backstage passes to a TAFKAL80ETC concert",
SellIn = 15,
Quality = 20
},
new Item
{
Name = "Backstage passes to a TAFKAL80ETC concert",
SellIn = 10,
Quality = 49
},
new Item
{
Name = "Backstage passes to a TAFKAL80ETC concert",
SellIn = 5,
Quality = 49
},
// this conjured item does not work properly yet
new Item {
Name = "Conjured Mana Cake", SellIn = 3, Quality = 6
}
};
#endregion items collection initialization
#region gildenRose instance initialization
//When the created class instance will be used not in the adjacent code and it is easily possible to detect its
//exact type I do not use var keyword. Only in case when class name is very long var keyword can help do code
//more readable
//I prefer meaningful variable names, so app is renamed to gildenRose as C# is case sensitive language and
//promotes initialized classes instances to name as a class name but with camelCases instead class name in PascalCases.
GildenRose gildenRose = new GildenRose(items);
#endregion gildenRose instance initialization
#region Form report of goods quality change during 30 days period
//The method is refactored into a separate public method - public because it allows easier to create Unit Test
FormReport(items, gildenRose);
#endregion Form report of goods quality change during 30 days period
}