public DogOwnerListViewModel GetAllDogOwners()
{
var dogOwners = _DogOwnerService.GetAllDogOwners();
var dogs = _DogService.GetAllDogs();
var dogOwnerListViewModel = new DogOwnerListViewModel
{
DogOwnerViewModels = dogOwners.GroupJoin(dogs,
owner => owner.OwnerId,
dog => dog.OwnerId,
(owner, dogCollection) => new DogOwnerViewModel()
{
OwnerName = owner.OwnerName, DogNames = dogCollection.Select(x => x.DogName).ToList()
}
).ToList()
};
return(dogOwnerListViewModel);
}
public void TestDogService()
{
var mockDogRepository = new Mock <DogRepository>();
mockDogRepository.Setup(x => x.GetAllDogs()).Returns(
new List <Dog>()
{
new Dog()
{
OwnerId = 1,
DogName = "TestDog"
}
}
);
var dogService = new DogService(mockDogRepository.Object);
var dogs = dogService.GetAllDogs();
Assert.IsNotNull(dogs);
Assert.AreEqual(1, dogs.Count);
Assert.AreEqual(1, dogs.Single().OwnerId);
Assert.AreEqual("TestDog", dogs.Single().DogName);
}
static void Main(string[] args)
{
var people = PersonService.GetAllPeople();
var dogs = DogService.GetAllDogs();
Person a = people.FirstOrDefault(x => x.FirstName == "Cristofer");
if (a != null)
{
a.Dogs = new List <Dog>();
Dog jack = dogs.FirstOrDefault(x => x.Name == "Jack");
Dog ellie = dogs.FirstOrDefault(x => x.Name == "Ellie");
Dog tilly = dogs.FirstOrDefault(x => x.Name == "Tilly");
Dog hank = dogs.FirstOrDefault(x => x.Name == "Hank");
a.Dogs.Add(jack);
a.Dogs.Add(ellie);
a.Dogs.Add(tilly);
// a.Dogs.Add(hank);
}
//foreach (var dog in a.Dogs)
//{
// Console.WriteLine(dog.Name);
//}
Person b = people.FirstOrDefault(x => x.FirstName == "Freddy");
if (b != null)
{
b.Dogs = new List <Dog>();
Dog oscar = dogs.FirstOrDefault(x => x.Name == "Oscar");
Dog toby = dogs.FirstOrDefault(x => x.Name == "Toby");
Dog chanel = dogs.FirstOrDefault(x => x.Name == "Chanel");
Dog bo = dogs.FirstOrDefault(x => x.Name == "Bo");
Dog scout = dogs.FirstOrDefault(x => x.Name == "Scout");
b.Dogs.Add(oscar);
b.Dogs.Add(toby);
b.Dogs.Add(chanel);
b.Dogs.Add(bo);
b.Dogs.Add(scout);
//b.PrintAllDogs();
}
Person c = people.FirstOrDefault(x => x.FirstName == "Erin");
if (c != null)
{
c.Dogs = new List <Dog>();
Dog trixie = dogs.FirstOrDefault(x => x.Name == "Trixie");
Dog archie = dogs.FirstOrDefault(x => x.Name == "Archie");
Dog max = dogs.FirstOrDefault(x => x.Name == "Max");
c.Dogs.Add(trixie);
c.Dogs.Add(archie);
c.Dogs.Add(max);
// c.PrintAllDogs();
}
Person ameliaFromList = people.FirstOrDefault(x => x.FirstName == "Amelia");
if (ameliaFromList != null)
{
ameliaFromList.Dogs = new List <Dog>();
Dog abby = dogs.FirstOrDefault(x => x.Name == "Abby");
Dog shadow = dogs.FirstOrDefault(x => x.Name == "Shadow");
ameliaFromList.Dogs.Add(abby);
ameliaFromList.Dogs.Add(shadow);
//ameliaFromList.PrintAllDogs();
}
Person larryFromList = people.FirstOrDefault(x => x.FirstName == "Larry");
if (larryFromList != null)
{
larryFromList.Dogs = new List <Dog>();
Dog zoe = dogs.FirstOrDefault(x => x.Name == "Zoe");
Dog ollie = dogs.FirstOrDefault(x => x.Name == "Ollie");
larryFromList.Dogs.Add(zoe);
larryFromList.Dogs.Add(ollie);
//larryFromList.PrintAllDogs();
}
Person ericaFromList = people.FirstOrDefault(x => x.FirstName == "Erika");
if (ericaFromList != null)
{
ericaFromList.Dogs = new List <Dog>();
ericaFromList.Dogs.AddRange(dogs.Where(x => x.Race == Race.Retriever));
//ericaFromList.PrintAllDogs();
}
if (c != null)
{
c.Dogs.AddRange(dogs.Where(x => x.Name == "Chet"));
c.Dogs.AddRange(dogs.Where(x => x.Name == "Ava"));
}
Person august = people.FirstOrDefault(x => x.FirstName == "August");
if (august != null)
{
august.Dogs = new List <Dog>();
august.Dogs.AddRange(dogs.Where(x => x.Name == "Diesel"));
august.Dogs.AddRange(dogs.Where(x => x.Name == "Rigby"));
}
#region Exercises
var excercise1 = people
.Where(x => x.FirstName.ToLower().StartsWith("r"))
.OrderByDescending(x => x.Age)
.ToList();
//foreach (var perosns in excercise1)
//{
// Console.WriteLine(perosns.FirstName);
//}
var browndogs = dogs
.Where(x => x.Color == Color.Brown)
.Where(x => x.Age >= 3)
.OrderBy(x => x.Age)
.ToList();
foreach (var browndog in browndogs)
{
//Console.WriteLine(browndog.Name + " " + browndog.Age);
}
var personsWithDogs = people
.Where(x => x.Dogs != null && x.Dogs.Count() > 2)
.OrderByDescending(x => x.FirstName)
.ToList();
foreach (var person1 in personsWithDogs)
{
// Console.WriteLine(person1.FirstName);
}
var personsWithOneDog = people
.Where(x => x.Dogs != null)
.Where(x => x.Dogs.All(y => y.Race == x.Dogs[0].Race))
.ToList();
var personsWithOneDogBetter = people
.Where(x => x.Dogs != null)
.Where(x => x.Dogs.Select(f => f.Race).Distinct().Count() == 1)
.ToList();
foreach (var person1 in personsWithOneDog)
{
//Console.WriteLine(person1.FirstName);
}
var Freddysdogs = people
.FirstOrDefault(x => x.FirstName.Equals("Freddy"));
var result5 = Freddysdogs.Dogs.Where(x => x.Age > 1).GroupBy(x => x.Race).ToList();
foreach (var groupOfDogs in result5)
{
Console.WriteLine($"Race:{groupOfDogs.Key}");
foreach (var dog in groupOfDogs)
{
Console.WriteLine(dog.Name);
}
}
//var result6 = people.Reverse());
//var count = people.Count;
//var result6=people.Skip(count - 10).GroupBy(x => x.Age).ToList();
// var last10People = people.OrderByDescending(x => x.Age).Take(10).ToList();
var grouper = people.OrderByDescending(x => x.Age).GroupBy(x => x.Age).Take(10).ToList();
foreach (var groupOfDogs in grouper)
{
Console.WriteLine($"Age:{groupOfDogs.Key}");
foreach (var person in groupOfDogs)
{
Console.WriteLine(person.FirstName);
}
}
// 6. Find and print last 10 persons grouped by their age.
// 7. Find and print all dogs names from Cristofer, Freddy, Erin and Amelia, grouped by color and ordered by name - ASCENDING ORDER.
// 8. Find and persons that have same dogs races and order them by name length ASCENDING, then by age DESCENDING.
// 9. Find the last dog of Amelia and print all dogs form other persons older than Amelia, ordered by dogs age DESCENDING.
// 10. Find all developers older than 20 with more than 1 dog that contains letter 'e' in the name and print their names and job positions.
#endregion
}
//[Route("Index")]
//[Route("Dog/Index")]
public IActionResult Index()
{
var dogs = service.GetAllDogs();
return(View(dogs));
}
static void Main(string[] args)
{
var people = PersonService.GetAllPeople();
var dogs = DogService.GetAllDogs();
#region Exercises
//==============================
// TODO LINQ expressions :)
// Your turn guys...
//==============================
//PART 1
// 1. Take person Cristofer and add Jack, Ellie, Hank and Tilly as his dogs.
// 2. Take person Freddy and add Oscar, Toby, Chanel, Bo and Scout as his dogs.
// 3. Add Trixie, Archie and Max as dogs from Erin.
// 4. Give Abby and Shadow to Amelia.
// 5. Take person Larry and Zoe, Ollie as his dogs.
// 6. Add all retrievers to Erika.
// 7. Erin has plus Chet and Ava
// 8. and now give Diesel to August thah previously has just Rigby
//PART 2 - LINQ
// 1. Find and print all persons firstnames starting with 'R', ordered by age - DESCENDING ORDER.
// 2. Find and print all brown dogs names and ages older than 3 years, ordered by age - ASCENDING ORDER.
// 3. Find and print all persons with more than 2 dogs, ordered by name - DESCENDING ORDER.
// 4. Find and print all persons names, last names and job positions that have just one race type dogs.
// 5. Find and print all Freddy`s dogs names older than 1 year, grouped by dogs race.
// 6. Find and print last 10 persons grouped by their age.
// 7. Find and print all dogs names from Cristofer, Freddy, Erin and Amelia, grouped by color and ordered by name - ASCENDING ORDER.
// 8. Find and persons that have at least one same dogs race and order them by name length ASCENDING, then by age DESCENDING.
// 9. Find the last dog of Amelia and print all dogs form other persons older than Amelia, ordered by dogs age DESCENDING.
// 10. Find all developers older than 20 with more than 1 dog that contains letter 'e' in the name and print their names and job positions.
#endregion
#region PART 1
Person cristofer = people
.FirstOrDefault(x => x.FirstName == "Cristofer");
if (cristofer != null)
{
cristofer.Dogs = dogs
.Where(x => x.Name == "Jack" || x.Name == "Ellie" || x.Name == "Hank" || x.Name == "Tilly")
.ToList();
}
Person freddy = people
.FirstOrDefault(x => x.FirstName == "Freddy");
if (freddy != null)
{
freddy.Dogs = dogs
.Where(x => x.Name == "Oscar" || x.Name == "Toby" || x.Name == "Chanel" || x.Name == "Bo" || x.Name == "Scout")
.ToList();
}
Person erin = people
.FirstOrDefault(x => x.FirstName == "Erin");
if (erin != null)
{
erin.Dogs = dogs
.Where(x => x.Name == "Trixie" || x.Name == "Archie" || x.Name == "Max")
.ToList();
}
Person amelia = people
.FirstOrDefault(x => x.FirstName == "Amelia");
if (amelia != null)
{
amelia.Dogs = dogs
.Where(x => x.Name == "Abby" || x.Name == "Shadow")
.ToList();
}
Person larry = people
.FirstOrDefault(x => x.FirstName == "Larry");
if (larry != null)
{
larry.Dogs = dogs
.Where(x => x.Name == "Zoe" || x.Name == "Ollie")
.ToList();
}
Person erika = people
.FirstOrDefault(x => x.FirstName == "Erika");
if (erika != null)
{
erika.Dogs = dogs
.Where(x => x.Race == Race.Retriever)
.ToList();
}
if (erin != null)
{
erin.Dogs.Add(dogs.Where(x => x.Name == "Chet").FirstOrDefault());
erin.Dogs.Add(dogs.Where(x => x.Name == "Ava").FirstOrDefault());
//erin.PrintAllDogs();
}
Person august = people
.FirstOrDefault(x => x.FirstName == "August");
if (august != null)
{
august.Dogs = dogs
.Where(x => x.Name == "Diesel" || x.Name == "Rigby")
.ToList();
//august.PrintAllDogs();
}
#endregion
#region PART 2
// 1. Find and print all persons firstnames starting with 'R', ordered by age - DESCENDING ORDER.
List <Person> startWithRDesc = people
.Where(x => x.FirstName.StartsWith("S"))
.OrderByDescending(x => x.Age)
.ToList();
// 2. Find and print all brown dogs names and ages older than 3 years, ordered by age - ASCENDING ORDER.
List <Dog> brownDogs = dogs
.Where(x => x.Color == Color.Brown && x.Age > 3)
.OrderBy(x => x.Age)
.ToList();
//PrintListDogs(brownDogs);
// 3. Find and print all persons with more than 2 dogs, ordered by name - DESCENDING ORDER.
List <Person> moreThan2Dogs = people
.Where(x => x.Dogs != null && x.Dogs.Count > 2)
.OrderByDescending(x => x.FirstName)
.ToList();
//PrintListPerson(moreThan2Dogs);
// 4. Find and print all persons names, last names and job positions that have just one race type dogs.
List <Person> oneTypeDogs = people
.Where(x => x.Dogs != null && x.Dogs.Select(y => y.Race).Distinct().Count() == 1)
.ToList();
//PrintListPerson(oneTypeDogs);
// 5. Find and print all Freddy`s dogs names older than 1 year, grouped by dogs race.
var freddiesDogs = freddy.Dogs
.Where(x => x.Age > 1)
.GroupBy(x => x.Race)
.ToList();
//foreach (var group in freddiesDogs)
//{
// Console.WriteLine($"Dogs from race: {group.Key}");
// foreach (var dog in group)
// {
// Console.WriteLine($"{dog.Name}");
// }
//}
// 6. Find and print last 10 persons grouped by their age.
var ageGroup = people
.GroupBy(x => x.Age)
.Reverse()
.Take(10)
.ToList();
//foreach (var group in ageGroup)
//{
// Console.WriteLine($"Age: {group.Key}");
// foreach (var person in group)
// {
// Console.WriteLine($"{person.FirstName} {person.LastName}");
// }
//}
// 7. Find and print all dogs names from Cristofer, Freddy, Erin and Amelia, grouped by color and ordered by name - ASCENDING ORDER.
var dogNames = people
.Where(x => x.FirstName == "Cristofer" || x.FirstName == "Freddy" || x.FirstName == "Erin" || x.FirstName == "Amelia")
.SelectMany(x => x.Dogs)
.OrderBy(x => x.Name)
.GroupBy(x => x.Color)
.ToList();
//foreach (var group in dogNames)
//{
// Console.WriteLine($"Dogs with color: {group.Key}");
// foreach (var dog in group)
// {
// Console.WriteLine($"{dog.Name}");
// }
//}
// 8. Find and persons that have same dogs races and order them by name length ASCENDING, then by age DESCENDING.
var sameRaces = people
.Where(x => x.Dogs != null)
.SelectMany(x => x.Dogs)
.GroupBy(y => y.Race)
.Select(x => x.Key)
.ToList();
//foreach (var item in sameRaces)
//{
// Console.WriteLine(item.ToString());
//}
var peopleWithSameRace = people
.Where(x => x.Dogs != null && x.Dogs.Select(y => y.Race).Intersect(sameRaces).ToList().Count() != 0)
.ToList();
//PrintListPerson(peopleWithSameRace);
// 9. Find the last dog of Amelia and print all dogs form other persons older than Amelia, ordered by dogs age DESCENDING.
Dog lastAmelia = amelia.Dogs
.LastOrDefault();
List <Dog> otherOlder = dogs
.Where(x => x.Age > lastAmelia.Age)
.OrderByDescending(x => x.Age)
.ToList();
//Console.WriteLine($"{lastAmelia.Age}");
//PrintListDogs(otherOlder);
// 10. Find all developers older than 20 with more than 1 dog that contains letter 'e' in the name and print their names and job positions.
var developers = people
.Where(x => x.Occupation == Job.Developer && x.Age > 20)
.Where(x => x.Dogs != null && x.Dogs.Count() > 1)
.Where(x => x.Dogs.Any(y => y.Name.Contains("e")))
//.Where(x => x.Dogs.Where(z => z.Name.Contains("e")))
//or
//.Select(x => x.Dogs.Where(y => y.Name.Contains("e")))
.ToList();
PrintListPerson(developers);
#endregion
Console.ReadLine();
}
static void Main(string[] args)
{
var people = PersonService.GetAllPeople();
var dogs = DogService.GetAllDogs();
#region Exercises
//==============================
// TODO LINQ expressions :)
// Your turn guys...
//==============================
//PART 1
// 1. Take person Cristofer and add Jack, Ellie, Hank and Tilly as his dogs.
Console.WriteLine("------------------------Task 1-----------------------------");
Person cristofer = people.FirstOrDefault(x => x.FirstName == "Cristofer");
if (cristofer != null)
{
//cristofer.Dogs = new List<Dog>();
//Dog jack = dogs.FirstOrDefault(x => x.Name == "Jack");
//cristofer.Dogs.Add(jack);
cristofer.Dogs = dogs.Where(x => x.Name == "Jack" || x.Name == "Ellie" || x.Name == "Hank" || x.Name == "Tilly").ToList();
cristofer.PrintAllDogs();
}
// 2. Take person Freddy and add Oscar, Toby, Chanel, Bo and Scout as his dogs.
Console.WriteLine("--------------------Task 2------------------------------");
Person freddy = people.FirstOrDefault(x => x.FirstName == "Freddy");
if (freddy != null)
{
freddy.Dogs = dogs.Where(x => x.Name == "Oscar" || x.Name == "Toby" || x.Name == "Chanel" || x.Name == "Bo" || x.Name == "Scout").ToList();
freddy.PrintAllDogs();
}
// 3. Add Trixie, Archie and Max as dogs from Erin.
Console.WriteLine("--------------------Task 3------------------------------");
Person erin = people.FirstOrDefault(x => x.FirstName == "Erin");
if (erin != null)
{
erin.Dogs = dogs.Where(x => x.Name == "Trixie" || x.Name == "Archie" || x.Name == "Max").ToList();
}
erin.PrintAllDogs();
// 4. Give Abby and Shadow to Amelia.
Console.WriteLine("--------------------Task 4------------------------------");
Person amelia = people.FirstOrDefault(x => x.FirstName == "Amelia");
if (amelia != null)
{
amelia.Dogs = dogs.Where(x => x.Name.Equals("Abby") || x.Name.Equals("Shadow")).ToList();
}
amelia.PrintAllDogs();
Console.WriteLine("--------------------Task 5------------------------------");
// 5. Take person Larry and Zoe, Ollie as his dogs.
Person larry = people.FirstOrDefault(x => x.FirstName == "Larry");
if (larry != null)
{
//larry.Dogs = new List<Dog>();
//Dog zoe = dogs.FirstOrDefault(x => x.Name == "Zoe");
//Dog ollie = dogs.FirstOrDefault(x => x.Name == "Ollie");
//larry.Dogs.Add(zoe);
//larry.Dogs.Add(ollie);
larry.Dogs = dogs.Where(x => x.Name == "Zoe" || x.Name == ("Ollie")).ToList();
larry.PrintAllDogs();
}
// 6. Add all retrievers to Erika.
Console.WriteLine("--------------------Task 6------------------------------");
Person erika = people.FirstOrDefault(x => x.FirstName == "Erika");
if (erika != null)
{
erika.Dogs = dogs.Where(x => x.Race == Race.Retriever).ToList();
}
erika.PrintAllDogs();
// 7. Erin has Chet and Ava and now give Diesel to August thah previously has just Rigby
Console.WriteLine("--------------------Task 7------------------------------");
//Dog chet = dogs.FirstOrDefault(x => x.Name == "Chet");
//Dog ava = dogs.FirstOrDefault(x => x.Name == "Ava");
//erin.Dogs.Add(chet);
//erin.Dogs.Add(ava);
erin.Dogs.Add(dogs.Where(x => x.Name == "Chet" || x.Name == "Ava").FirstOrDefault());
erin.PrintAllDogs();
//PART 2 - LINQ
Console.WriteLine("--------------------Task 1------------------------------");
// 1. Find and print all persons firstnames starting with 'S', ordered by age - DESCENDING ORDER.
List <Person> firstNamesStartsS = people.Where(x => x.FirstName.StartsWith("S"))
.OrderByDescending(x => x.Age)
.ToList();
PrintListPerson(firstNamesStartsS);
Console.WriteLine("--------------------Task 2------------------------------");
// 2. Find and print all brown dogs names and ages older than 3 years, ordered by age - ASCENDING ORDER.
List <Dog> dogByColor = dogs
.Where(x => x.Color == Color.Brown && x.Age > 3)
.OrderByDescending(x => x.Age).ToList();
dogByColor.Reverse();
PrintListDog(dogByColor);
Console.WriteLine("--------------------Task 3------------------------------");
// 3. Find and print all persons with more than 2 dogs, ordered by name - DESCENDING ORDER.
List <Person> personDogs = people
.Where(x => (x.Dogs != null) && (x.Dogs.Count() > 2))
.OrderByDescending(x => x.FirstName)
.ToList();
PrintListPerson(personDogs);
Console.WriteLine("--------------------Task 4------------------------------");
// 4. Find and print all persons names, last names and job positions that have just one race type dogs.
List <Person> personTask4 = people.Where(x => x.Dogs != null && x.Dogs.Select(y => y.Race).Distinct().Count() == 1).ToList();
PrintListPerson(personTask4);
Console.WriteLine("--------------------Task 5------------------------------");
// 5. Find and print all Freddy`s dogs names older than 1 year, grouped by dogs race.
var freddyDogs = freddy.Dogs.Where(x => x.Age > 1).GroupBy(x => x.Race).ToList();
foreach (var group in freddyDogs)
{
Console.WriteLine($"{group.Key}");
foreach (var dog in group)
{
Console.WriteLine($"{dog.Name}");
}
}
Console.WriteLine("--------------------Task 6------------------------------");
// 6. Find and print last 10 persons grouped by their age.
people.Reverse();
var lastTenPersons = people
.Take(10)
.GroupBy(x => x.Age)
.Reverse()
.ToList();
foreach (var group in lastTenPersons)
{
Console.WriteLine($"Age : {group.Key}");
foreach (var person in group)
{
Console.Write($"{person.FirstName} {person.LastName} \n");
}
}
Console.WriteLine("--------------------Task 7------------------------------");
// 7. Find and print all dogs names from Cristofer, Freddy, Erin and Amelia, grouped by color and ordered by name - ASCENDING ORDER.
var dog7 = people
.Where(x => x.FirstName == "Cristofer" || x.FirstName == "Freddy" || x.FirstName == "Erin" || x.FirstName == "Amelia")
.SelectMany(x => x.Dogs)
.OrderBy(x => x.Name)
.GroupBy(x => x.Color)
.ToList();
foreach (var dog in dog7)
{
Console.WriteLine($"Dog color: {dog.Key}");
foreach (var item in dog)
{
Console.WriteLine($"Name :{item.Name}");
}
}
Console.WriteLine("--------------------Task 8------------------------------");
// 8. Find and persons that have slisame dogs races and order them by name length ASCENDING, then by age DESCENDING.
var person8 = people
.Select(x => x.Dogs)
.GroupBy(y => y.Race)
.Distinct()
.ToList();
Console.WriteLine("--------------------Task 9------------------------------");
//9. Find the last dog of Amelia and print all dogs form other persons older than Amelia, ordered by dogs age DESCENDING.
Dog lastDog = amelia.Dogs
.LastOrDefault();
var person9 = people
.Where(x => x.Age > amelia.Age).ToList();
//PrintListPerson(person9);
var dog9 = person9
.Where(x => x.Dogs != null)
.SelectMany(x => x.Dogs)
.OrderByDescending(x => x.Age)
.ToList();
Console.WriteLine($"{lastDog.Name} {lastDog.Age}");
PrintListDog(dog9);
Console.WriteLine("--------------------Task 10------------------------------");
//10.Find all developers older than 20 with more than 1 dog that contains letter 'e' in the name and print their names and job positions.
var developers = people
.Where(x => x.Dogs != null)
.Where(x => (x.Occupation == Job.Developer) && x.Age > 20)
.Where(x => x.Dogs.Count() > 1)
.Where(x => x.Dogs.Any(y => y.Name.Contains("e")))
.ToList();
PrintListPerson(developers);
Console.ReadLine();
#endregion
}
static void Main(string[] args)
{
var people = PersonService.GetAllPeople();
var dogs = DogService.GetAllDogs();
#region Exercises
//==============================
// TODO LINQ expressions :)
// Your turn guys...
//==============================
//PART 1
// 1. Take person Cristofer and add Jack, Ellie, Hank and Tilly as his dogs.
Person cristofer = people.FirstOrDefault(x => x.FirstName.Equals("Cristofer"));
if (cristofer != null)
{
cristofer.Dogs = dogs
.Where(x => x.Name.Equals("Jack") ||
x.Name.Equals("Ellie") ||
x.Name.Equals("Tilly") ||
x.Name.Equals("Hank"))
.ToList();
}
// 2. Take person Freddy and add Oscar, Toby, Chanel, Bo and Scout as his dogs.
Person freddy = people.FirstOrDefault(x => x.FirstName.Equals("Freddy"));
if (freddy != null)
{
freddy.Dogs = dogs
.Where(x => x.Name.Equals("Oscar") ||
x.Name.Equals("Toby") ||
x.Name.Equals("Bo") ||
x.Name.Equals("Scout"))
.ToList();
}
// 3. Add Trixie, Archie and Max as dogs from Erin.
Person erin = people.FirstOrDefault(x => x.FirstName.Equals("Erin"));
if (erin != null)
{
erin.Dogs = dogs
.Where(x => x.Name.Equals("Trixie") ||
x.Name.Equals("Archie") ||
x.Name.Equals("Max"))
.ToList();
}
// 4. Give Abby and Shadow to Amelia.
Person amelia = people.FirstOrDefault(x => x.FirstName.Equals("Amelia"));
if (amelia != null)
{
amelia.Dogs = dogs
.Where(x => x.Name.Equals("Abby") ||
x.Name.Equals("Shadow"))
.ToList();
}
// 5. Take person Larry and Zoe, Ollie as his dogs.
Person Larry = people.FirstOrDefault(x => x.FirstName.Equals("Larry"));
if (Larry != null)
{
Larry.Dogs = dogs
.Where(x => x.Name.Equals("Zoe") ||
x.Name.Equals("Ollie"))
.ToList();
}
// 6. Add all retrievers to Erika.
Person erika = people.FirstOrDefault(x => x.FirstName.Equals("Erika"));
if (erika != null)
{
erika.Dogs = dogs
.Where(x => x.Race == Race.Retriever)
.ToList();
}
// 7. Erin has Chet and Ava and now give Diesel to August thah previously has just Rigby
//PART 2 - LINQ
// 1. Find and print all persons firstnames starting with 'R', ordered by age - DESCENDING ORDER.
List <Person> firstName = people
.Where(x => x.FirstName.StartsWith("R"))
.OrderByDescending(x => x.Age)
.ToList();
// 2. Find and print all brown dogs names and ages older than 3 years, ordered by age - ASCENDING ORDER.
List <Dog> braonDog = dogs
.Where(x => x.Color == Color.Brown & x.Age >= 3)
.OrderBy(x => x.Age)
.ToList();
// 3. Find and print all persons with more than 2 dogs, ordered by name - DESCENDING ORDER.
List <Person> hasTwoDogs = people.Where(x => x.Dogs != null && x.Dogs.Count > 2)
.OrderBy(x => x.Dogs.Count)
.ToList();
// 4. Find and print all persons names, last names and job positions that have just one race type dogs.
List <Person> oneRace = people.Where(x => x.Dogs != null &&
x.Dogs.Select(y => y.Race)
.Distinct()
.Count() == 1)
.ToList();
// 5. Find and print all Freddy`s dogs names older than 1 year, grouped by dogs race.
Person fredy = people.FirstOrDefault(x => x.FirstName.Equals("Freddy"));
var fredysDogs = fredy.Dogs.Where(x => x.Age > 1).GroupBy(x => x.Race).ToList();
foreach (var item in fredysDogs)
{
foreach (var item1 in item)
{
System.Console.WriteLine(item1.Name);
}
}
// 6. Find and print last 10 persons grouped by their age.
// 7. Find and print all dogs names from Cristofer, Freddy, Erin and Amelia, grouped by color and ordered by name - ASCENDING ORDER.
// 8. Find and persons that have same dogs races and order them by name length ASCENDING, then by age DESCENDING.
// 9. Find the last dog of Amelia and print all dogs form other persons older than Amelia, ordered by dogs age DESCENDING.
// 10. Find all developers older than 20 with more than 1 dog that contains letter 'e' in the name and print their names and job positions.
#endregion
}