Magazine.Cs
using System;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace DashaLabs
{
class Magazine : Edition, IRateAndCopy, IEnumerable
{
private Frequency period;
private List<Person> editors;
private List<Article> articles;
public event PropertyChangedEventHandler PropertyChanged;
public double Score
{
get;
set;
}
public Magazine(string a, Frequency b, DateTime c, int d)
{
name = (string)a.Clone();
period = b;
outDate = c;
count = d;
editors = new List<Person>();
articles = new List<Article>();
}
public Magazine()
{
name = "";
period = Frequency.Monthly;
outDate = DateTime.Today;
count = 0;
editors = new List<Person>();
articles = new List<Article>();
}
public new String Name
{
get
{
return name;
}
set
{
name = value;
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Name"));
}
}
public Frequency Period
{
get
{
return period;
}
set
{
period = value;
}
}
public DateTime Outdate
{
get
{
return outDate;
}
set
{
outDate = value;
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Outdate"));
}
}
public int Count
{
get
{
return count;
}
set
{
count = value;
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Count"));
}
}
public List<Article> Articles
{
get {
List<Article> result = new List<Article>();
articles.ForEach((art) => result.Add((Article)art.DeepCopy()));
return result;
}
set
{
List<Article> result = new List<Article>();
value.ForEach((art) => result.Add((Article)art.DeepCopy()));
articles = result;
}
}
public List<Person> Editors
{
get {
List<Person> result = new List<Person>();
editors.ForEach((persone) => result.Add((Person)persone.DeepCopy()));
return result;
}
set {
List<Person> result = new List<Person>();
value.ForEach((persone) => result.Add((Person)persone.DeepCopy()));
editors = result;
}
}
public bool this[Frequency a]
{
get
{
return period.Equals(a);
}
}
public void AddArticles(params Article[] a)
{
foreach (Article x in a)
articles.Add((Article)x.DeepCopy());
}
public void AddEditors(params Person[] a)
{
foreach (Person x in a)
editors.Add((Person)x.DeepCopy());
}
public override string ToString()
{
string result;
result = "Название: " + name + "\n" + "Периодичность: " + period.ToString() + "\n" + "Дата издания: " + outDate.ToShortDateString() + "\n" + "Тираж: " + count + "\n";
result += "Информация о статьях: \n";
foreach (Article a in articles)
result = result + a.ToString() + "\n";
foreach (Person a in editors)
result = result + a.ToString() + "\n";
return result;
}
public double AverageScore
{
get
{
double sum = 0;
foreach (Article a in articles)
sum += a.Score;
return sum / articles.Count;
}
}
public virtual string ToShortString()
{
return name + " " + period.ToString() + " " + outDate.ToShortDateString() + " " + count + "\n" + "Средний рейтинг: " + this.AverageScore;
}
public override object DeepCopy()
{
Magazine result = new Magazine();
result.name = (string)name.Clone();
result.period = period;
result.outDate = outDate;
result.count = count;
foreach (Article a in articles)
result.articles.Add((Article)a.DeepCopy());
foreach (Person a in editors)
result.editors.Add((Person)a.DeepCopy());
return result;
}
public Edition Editions
{
get
{
return new Edition((string)name.Clone(), outDate, count);
}
set
{
name = (string)value.Name.Clone();
outDate = value.OutDate;
count = value.Count;
}
}
public IEnumerable<Article> ArticlesByRate(double x)
{
foreach (Article a in articles)
{
if (a.Score > x)
yield return (Article)a.DeepCopy();
}
}
public IEnumerable<Article> ArticlesByString(string x)
{
foreach (Article a in articles)
{
if (a.Name.Contains(x))
yield return (Article)a.DeepCopy();
}
}
public IEnumerable<Article> ArticlesByEditors()
{
foreach (Article a in articles)
{
if (editors.LastIndexOf(a.Author) != -1)
yield return (Article)a.DeepCopy();
}
}
public IEnumerable<Person> OnlyEditors()
{
foreach (Person a in editors)
{
bool ans = true;
foreach (Article art in articles)
{
if (art.Author == a)
ans = false;
}
if (ans)
yield return (Person)a.DeepCopy();
}
}
public static new Magazine Scan()
{
Magazine Result = new Magazine();
Result.Editions = Edition.Scan();
Console.WriteLine("Введите переодичность");
Result.period = (Frequency)Frequency.Parse(typeof(Frequency), Console.ReadLine(), true);
Console.WriteLine("Введите количество статей");
long tcount = Convert.ToInt64(Console.ReadLine());
for (int i = 0; i < tcount; i++)
Result.AddArticles(Article.Scan());
Console.WriteLine("Введите количество редакторов");
tcount = Convert.ToInt64(Console.ReadLine());
for (int i = 0; i < tcount; i++)
Result.AddEditors(Person.Scan());
return Result;
}
public IEnumerator GetEnumerator()
{
throw new NotImplementedException();
}
public void OrderByTitle ()
{
articles = articles.OrderBy(x => x.Name).ToList();
}
public void OrderByEditorName ()
{
articles = articles.OrderBy(x => x.Author.LName).ToList();
}
public void OrderByScore ()
{
articles = articles.OrderBy(x => x.Score).ToList();
}
}
}