LOLProject/Sources/EntityFrameworkLOL/Program.cs

using EntityFrameworkLOL.DBContexts;
using EntityFrameworkLOL.Entities;
using System.Linq;
using System;
using System.Text;

class Program
{
    static void Main(string[] args)
    {
        using (var context = new SQLiteContext()) {
            if (context.Champion.Count() > 0)
            {
                foreach (var c in context.Champion.ToArray())
                {
                    context.Champion.Remove(c);
                }
            }
            if (context.Rune.Count() > 0)
            {
                foreach (var r in context.Rune.ToArray())
                {
                    context.Rune.Remove(r);
                }
            }
            if (context.Skin.Count() > 0)
            {
                foreach (var s in context.Skin.ToArray())
                {
                    context.Skin.Remove(s);
                }
            }
            if (context.Skill.Count() > 0)
            {
                foreach (var s in context.Skill.ToArray())
                {
                    context.Skill.Remove(s);
                }
            }
            if (context.RunePage.Count() > 0)
            {
                foreach (var rp in context.RunePage.ToArray())
                {
                    context.RunePage.Remove(rp);
                }
            }
            if (context.ChampionClass.Count() > 0)
            {
                foreach (var cc in context.ChampionClass.ToArray())
                {
                    context.ChampionClass.Remove(cc);
                }
            }
            if (context.RuneFamily.Count() > 0)
            {
                foreach (var rf in context.RuneFamily.ToArray())
                {
                    context.RuneFamily.Remove(rf);
                }
            }
            if (context.SkillType.Count() > 0)
            {
                foreach (var st in context.SkillType.ToArray())
                {
                    context.SkillType.Remove(st);
                }
            }
            if (context.Image.Count() > 0)
            {
                foreach (var i in context.Image.ToArray())
                {
                    context.Image.Remove(i);
                }
            }
            context.SaveChanges();
        }
        ChampionEntity akali = new ChampionEntity { Name = "Akali", Bio = "" };
        ChampionEntity aatrox = new ChampionEntity { Name = "Aatrox", Bio = "" };
        ChampionEntity ahri = new ChampionEntity { Name = "Ahri", Bio = "" };
        ChampionEntity bard = new ChampionEntity { Name = "Bard", Bio = "" };
        ChampionEntity alistar = new ChampionEntity { Name = "Alistar", Bio = "" };
        ChampionEntity akshan = new ChampionEntity { Name = "Akshan", Bio = "" };

        using (var context = new SQLiteContext())
        {
            // Crée des champions et les insère dans la base
            Console.WriteLine("Creates and inserts new Champions");
            context.AddRange(new ChampionEntity[] { akali, aatrox, ahri, bard, alistar, akshan });
            /*context.Add(akali);
            context.Add(aatrox);
            context.Add(ahri);
            context.Add(bard);
            context.Add(alistar);
            context.Add(akshan);*/
            context.SaveChanges();
            Console.WriteLine("Creates and executes a query retrieving the first Champion of the database whose name starts with an \"A\":");
            var aChampion = context.Champion
                .Where(c => c.Name.StartsWith("A"))
                .First();
            Console.WriteLine($"{aChampion.Name} (with bio : \"{aChampion.Bio}\")");
        }

        RuneEntity conqueror = new RuneEntity { Name = "Conqueror", Description = "" };
        RuneEntity thriumph = new RuneEntity { Name = "Thriumph", Description = "" };
        RuneEntity alacrity = new RuneEntity { Name = "Legend : Alacrity", Description = "" };
        RuneEntity tenacity = new RuneEntity { Name = "Legend : Tenacity", Description = "" };
        RuneEntity laststand = new RuneEntity { Name = "Last Stand", Description = "" };
        RuneEntity laststand2 = new RuneEntity { Name = "Last Stand 2", Description = "" };

        using (var context = new SQLiteContext())
        {
            // Crée des Runes et les insère dans la base
            Console.WriteLine("Creates and inserts new Runes");
            context.AddRange(new RuneEntity[] { conqueror, thriumph, alacrity, tenacity, laststand, laststand2 });
            /*context.Add(conqueror);
            context.Add(thriumph);
            context.Add(alacrity);
            context.Add(tenacity);
            context.Add(laststand);
            context.Add(laststand2);*/
            context.SaveChanges();
            Console.WriteLine("Creates and executes a query retrieving the first Runes of the database whose name starts with an \"L\":");
            var lRune = context.Rune
                .Where(r => r.Name.StartsWith("L"))
                .First();
            Console.WriteLine($"{lRune.Name} (with Description : \"{lRune.Description}\")");
        }

        SkinEntity stinger = new SkinEntity { Name = "Stinger", Description = "" };
        SkinEntity infernal = new SkinEntity { Name = "Infernal", Description = "" };
        SkinEntity allStar = new SkinEntity { Name = "All-Star", Description = "" };
        SkinEntity justicar = new SkinEntity { Name = "Justicar", Description = "" };
        SkinEntity mecha = new SkinEntity { Name = "Mecha", Description = "" };
        SkinEntity seaHunter = new SkinEntity { Name = "Sea Hunter", Description = "" };

        using (var context = new SQLiteContext())
        {
            // Crée des Skins et les insère dans la base
            Console.WriteLine("Creates and inserts new Skins");
            context.AddRange(new SkinEntity[] { stinger, infernal, allStar, justicar, mecha, seaHunter });
            /*context.Add(stinger);
            context.Add(infernal);
            context.Add(allStar);
            context.Add(justicar);
            context.Add(mecha);
            context.Add(seaHunter);*/
            context.SaveChanges();
            Console.WriteLine("Creates and executes a query retrieving the first Skins of the database whose name starts with an \"I\":");
            var iSkin = context.Skin
                .Where(s => s.Name.StartsWith("I"))
                .First();
            Console.WriteLine($"{iSkin.Name} (with Description : \"{iSkin.Description}\")");

            Console.WriteLine("Updates the name of the Infernal Skin");
            iSkin.Description = "Hella Infernal (Wallah)";
            context.SaveChanges();
            Console.WriteLine($"{iSkin.Name} (with Description : \"{iSkin.Description}\")");

            Console.WriteLine("Deletes one item from the database");
            var droid = context.Skin
                .SingleOrDefault(s => s.Name.Equals("Infernal"));
            context.Remove(droid);
            context.SaveChanges();
        }

        using (var context = new SQLiteContext())
        {
            foreach (var c in context.Champion)
            {
                c.Bio = $"{c.Name}";
                Console.WriteLine($"{c.Name} - {c.Bio}");
            }
            context.SaveChanges();
        }
    }
}