mirror of
https://github.com/dotnet/intro-to-dotnet-web-dev.git
synced 2025-12-06 05:32:03 +01:00
66100c7304
* started adding C# content * begin adding csharp project code * add csharp project code * added codespaces instructions * add license files * add license files * add csharp project 6
431 lines
17 KiB
C#
431 lines
17 KiB
C#
using System;
|
||
using System.IO;
|
||
|
||
// the ourAnimals array will store the following:
|
||
string animalSpecies = "";
|
||
string animalID = "";
|
||
string animalAge = "";
|
||
string animalPhysicalDescription = "";
|
||
string animalPersonalityDescription = "";
|
||
string animalNickname = "";
|
||
|
||
// variables that support data entry
|
||
int maxPets = 8;
|
||
string? readResult;
|
||
string menuSelection = "";
|
||
int petCount = 0;
|
||
string anotherPet = "y";
|
||
bool validEntry = false;
|
||
int petAge = 0;
|
||
|
||
// array used to store runtime data, there is no persisted data
|
||
string[,] ourAnimals = new string[maxPets, 6];
|
||
|
||
// create some initial ourAnimals array entries
|
||
for (int i = 0; i < maxPets; i++)
|
||
{
|
||
switch (i)
|
||
{
|
||
case 0:
|
||
animalSpecies = "dog";
|
||
animalID = "d1";
|
||
animalAge = "2";
|
||
animalPhysicalDescription = "medium sized cream colored female golden retriever weighing about 65 pounds. housebroken.";
|
||
animalPersonalityDescription = "loves to have her belly rubbed and likes to chase her tail. gives lots of kisses.";
|
||
animalNickname = "lola";
|
||
break;
|
||
|
||
case 1:
|
||
animalSpecies = "dog";
|
||
animalID = "d2";
|
||
animalAge = "9";
|
||
animalPhysicalDescription = "large reddish-brown male golden retriever weighing about 85 pounds. housebroken.";
|
||
animalPersonalityDescription = "loves to have his ears rubbed when he greets you at the door, or at any time! loves to lean-in and give doggy hugs.";
|
||
animalNickname = "loki";
|
||
break;
|
||
|
||
case 2:
|
||
animalSpecies = "cat";
|
||
animalID = "c3";
|
||
animalAge = "1";
|
||
animalPhysicalDescription = "small white female weighing about 8 pounds. litter box trained.";
|
||
animalPersonalityDescription = "friendly";
|
||
animalNickname = "Puss";
|
||
break;
|
||
|
||
case 3:
|
||
animalSpecies = "cat";
|
||
animalID = "c4";
|
||
animalAge = "?";
|
||
animalPhysicalDescription = "";
|
||
animalPersonalityDescription = "";
|
||
animalNickname = "";
|
||
|
||
break;
|
||
|
||
default:
|
||
animalSpecies = "";
|
||
animalID = "";
|
||
animalAge = "";
|
||
animalPhysicalDescription = "";
|
||
animalPersonalityDescription = "";
|
||
animalNickname = "";
|
||
break;
|
||
|
||
}
|
||
|
||
ourAnimals[i, 0] = "ID #: " + animalID;
|
||
ourAnimals[i, 1] = "Species: " + animalSpecies;
|
||
ourAnimals[i, 2] = "Age: " + animalAge;
|
||
ourAnimals[i, 3] = "Nickname: " + animalNickname;
|
||
ourAnimals[i, 4] = "Physical description: " + animalPhysicalDescription;
|
||
ourAnimals[i, 5] = "Personality: " + animalPersonalityDescription;
|
||
}
|
||
|
||
// display the top-level menu options
|
||
do
|
||
{
|
||
Console.Clear();
|
||
|
||
Console.WriteLine("Welcome to the Contoso PetFriends app. Your main menu options are:");
|
||
Console.WriteLine(" 1. List all of our current pet information");
|
||
Console.WriteLine(" 2. Add a new animal friend to the ourAnimals array");
|
||
Console.WriteLine(" 3. Ensure animal ages and physical descriptions are complete");
|
||
Console.WriteLine(" 4. Ensure animal nicknames and personality descriptions are complete");
|
||
Console.WriteLine(" 5. Edit an animal’s age");
|
||
Console.WriteLine(" 6. Edit an animal’s personality description");
|
||
Console.WriteLine(" 7. Display all cats with a specified characteristic");
|
||
Console.WriteLine(" 8. Display all dogs with a specified characteristic");
|
||
Console.WriteLine();
|
||
Console.WriteLine("Enter your selection number (or type Exit to exit the program)");
|
||
|
||
readResult = Console.ReadLine();
|
||
if (readResult != null)
|
||
{
|
||
menuSelection = readResult.ToLower();
|
||
// NOTE: We could put a do statement around the menuSelection entry to ensure a valid entry, but we
|
||
// use a conditional statement below that only processes the valid entry values, so the do statement
|
||
// is not required here.
|
||
}
|
||
|
||
// use switch-case to process the selected menu option
|
||
switch (menuSelection)
|
||
{
|
||
case "1":
|
||
// List all of our current pet information
|
||
for (int i = 0; i < maxPets; i++)
|
||
{
|
||
if (ourAnimals[i, 0] != "ID #: ")
|
||
{
|
||
Console.WriteLine();
|
||
for (int j = 0; j < 6; j++)
|
||
{
|
||
Console.WriteLine(ourAnimals[i, j].ToString());
|
||
}
|
||
}
|
||
}
|
||
Console.WriteLine("\n\rPress the Enter key to continue");
|
||
readResult = Console.ReadLine();
|
||
|
||
break;
|
||
|
||
case "2":
|
||
// Add a new animal friend to the ourAnimals array
|
||
//
|
||
// The ourAnimals array contains
|
||
// 1. the species (cat or dog). a required field
|
||
// 2. the ID number - for example C17
|
||
// 3. the pet's age. can be blank at initial entry.
|
||
// 4. the pet's nickname. can be blank.
|
||
// 5. a description of the pet's physical appearance. can be blank.
|
||
// 6. a description of the pet's personality. can be blank.
|
||
|
||
anotherPet = "y";
|
||
petCount = 0;
|
||
for (int i = 0; i < maxPets; i++)
|
||
{
|
||
if (ourAnimals[i, 0] != "ID #: ")
|
||
{
|
||
petCount += 1;
|
||
}
|
||
}
|
||
|
||
if (petCount < maxPets)
|
||
{
|
||
Console.WriteLine($"We currently have {petCount} pets that need homes. We can manage {(maxPets - petCount)} more.");
|
||
}
|
||
|
||
while (anotherPet == "y" && petCount < maxPets)
|
||
{
|
||
// get species (cat or dog) - string animalSpecies is a required field
|
||
do
|
||
{
|
||
Console.WriteLine("\n\rEnter 'dog' or 'cat' to begin a new entry");
|
||
readResult = Console.ReadLine();
|
||
if (readResult != null)
|
||
{
|
||
animalSpecies = readResult.ToLower();
|
||
if (animalSpecies != "dog" && animalSpecies != "cat")
|
||
{
|
||
//Console.WriteLine($"You entered: {animalSpecies}.");
|
||
validEntry = false;
|
||
}
|
||
else
|
||
{
|
||
validEntry = true;
|
||
}
|
||
}
|
||
} while (validEntry == false);
|
||
|
||
// build the animal the ID number - for example C1, C2, D3 (for Cat 1, Cat 2, Dog 3)
|
||
animalID = animalSpecies.Substring(0, 1) + (petCount + 1).ToString();
|
||
|
||
// get the pet's age. can be ? at initial entry.
|
||
do
|
||
{
|
||
Console.WriteLine("Enter the pet's age or enter ? if unknown");
|
||
readResult = Console.ReadLine();
|
||
if (readResult != null)
|
||
{
|
||
animalAge = readResult;
|
||
if (animalAge != "?")
|
||
{
|
||
validEntry = int.TryParse(animalAge, out petAge);
|
||
}
|
||
}
|
||
} while (validEntry == false);
|
||
|
||
|
||
// get a description of the pet's physical appearance - animalPhysicalDescription can be blank.
|
||
do
|
||
{
|
||
Console.WriteLine("Enter a physical description of the pet (size, color, gender, weight, housebroken)");
|
||
readResult = Console.ReadLine();
|
||
if (readResult != null)
|
||
{
|
||
animalPhysicalDescription = readResult.ToLower();
|
||
if (animalPhysicalDescription == "")
|
||
{
|
||
animalPhysicalDescription = "tbd";
|
||
}
|
||
}
|
||
} while (validEntry == false);
|
||
|
||
|
||
// get a description of the pet's personality - animalPersonalityDescription can be blank.
|
||
do
|
||
{
|
||
Console.WriteLine("Enter a description of the pet's personality (likes or dislikes, tricks, energy level)");
|
||
readResult = Console.ReadLine();
|
||
if (readResult != null)
|
||
{
|
||
animalPersonalityDescription = readResult.ToLower();
|
||
if (animalPersonalityDescription == "")
|
||
{
|
||
animalPersonalityDescription = "tbd";
|
||
}
|
||
}
|
||
} while (validEntry == false);
|
||
|
||
|
||
// get the pet's nickname. animalNickname can be blank.
|
||
do
|
||
{
|
||
Console.WriteLine("Enter a nickname for the pet");
|
||
readResult = Console.ReadLine();
|
||
if (readResult != null)
|
||
{
|
||
animalNickname = readResult.ToLower();
|
||
if (animalNickname == "")
|
||
{
|
||
animalNickname = "tbd";
|
||
}
|
||
}
|
||
} while (validEntry == false);
|
||
|
||
// store the pet information in the ourAnimals array (zero based)
|
||
ourAnimals[petCount, 0] = "ID #: " + animalID;
|
||
ourAnimals[petCount, 1] = "Species: " + animalSpecies;
|
||
ourAnimals[petCount, 2] = "Age: " + animalAge;
|
||
ourAnimals[petCount, 3] = "Nickname: " + animalNickname;
|
||
ourAnimals[petCount, 4] = "Physical description: " + animalPhysicalDescription;
|
||
ourAnimals[petCount, 5] = "Personality: " + animalPersonalityDescription;
|
||
|
||
// increment petCount (the array is zero-based, so we increment the counter after adding to the array)
|
||
petCount = petCount + 1;
|
||
|
||
// check maxPet limit
|
||
if (petCount < maxPets)
|
||
{
|
||
// another pet?
|
||
Console.WriteLine("Do you want to enter info for another pet (y/n)");
|
||
do
|
||
{
|
||
readResult = Console.ReadLine();
|
||
if (readResult != null)
|
||
{
|
||
anotherPet = readResult.ToLower();
|
||
}
|
||
|
||
} while (anotherPet != "y" && anotherPet != "n");
|
||
}
|
||
//NOTE: The value of anotherPet (either "y" or "n") is evaluated in the while statement expression - at the top of the while loop
|
||
}
|
||
|
||
if (petCount >= maxPets)
|
||
{
|
||
Console.WriteLine("We have reached our limit on the number of pets that we can manage.");
|
||
Console.WriteLine("Press the Enter key to continue.");
|
||
readResult = Console.ReadLine();
|
||
}
|
||
|
||
break;
|
||
|
||
case "3":
|
||
// Ensure animal ages and physical descriptions are complete
|
||
//
|
||
// ourAnimals[i, 2] = "Age: " + animalAge;
|
||
// ourAnimals[i, 4] = "Physical description: " + animalPhysicalDescription;
|
||
|
||
for (int i = 0; i < maxPets; i++)
|
||
{
|
||
if (ourAnimals[i, 2] == "Age: ?" && ourAnimals[i, 0] != "ID #: ")
|
||
{
|
||
do
|
||
{
|
||
Console.WriteLine($"Enter an age for {ourAnimals[i, 0]}");
|
||
readResult = Console.ReadLine();
|
||
if (readResult != null)
|
||
{
|
||
animalAge = readResult;
|
||
validEntry = int.TryParse(animalAge, out petAge);
|
||
}
|
||
} while (validEntry == false);
|
||
ourAnimals[i, 2] = "Age: " + animalAge.ToString();
|
||
}
|
||
|
||
if (ourAnimals[i, 4] == "Physical description: " && ourAnimals[i, 0] != "ID #: ")
|
||
{
|
||
do
|
||
{
|
||
Console.WriteLine($"Enter a physical description for {ourAnimals[i, 0]} (size, color, gender, weight, housebroken)");
|
||
readResult = Console.ReadLine();
|
||
if (readResult != null)
|
||
{
|
||
animalPhysicalDescription = readResult.ToLower();
|
||
if (animalPhysicalDescription == "")
|
||
{
|
||
validEntry = false;
|
||
}
|
||
else
|
||
{
|
||
validEntry = true;
|
||
}
|
||
|
||
}
|
||
} while (validEntry == false);
|
||
|
||
ourAnimals[i, 4] = "Physical description: " + animalPhysicalDescription;
|
||
}
|
||
}
|
||
Console.WriteLine("\n\rAge and physical description fields are complete for all of our friends. \n\rPress the Enter key to continue");
|
||
readResult = Console.ReadLine();
|
||
|
||
break;
|
||
|
||
case "4":
|
||
// Ensure animal nickname and personality descriptions are complete
|
||
//
|
||
// ourAnimals[i, 3] = "Nickname: " + animalNickname;
|
||
// ourAnimals[i, 5] = "Personality: " + animalPersonalityDescription;
|
||
|
||
for (int i = 0; i < maxPets; i++)
|
||
{
|
||
if (ourAnimals[i, 3] == "Nickname: " && ourAnimals[i, 0] != "ID #: ")
|
||
{
|
||
do
|
||
{
|
||
Console.WriteLine($"Enter a nickname for {ourAnimals[i, 0]}");
|
||
readResult = Console.ReadLine();
|
||
if (readResult != null)
|
||
{
|
||
animalNickname = readResult;
|
||
if (animalNickname == "")
|
||
{
|
||
validEntry = false;
|
||
}
|
||
else
|
||
{
|
||
validEntry = true;
|
||
}
|
||
|
||
}
|
||
|
||
} while (validEntry == false);
|
||
|
||
ourAnimals[i, 3] = "Nickname: " + animalNickname;
|
||
}
|
||
|
||
if (ourAnimals[i, 5] == "Personality: " && ourAnimals[i, 0] != "ID #: ")
|
||
{
|
||
do
|
||
{
|
||
//"Enter a description of the pet's personality (likes or dislikes, tricks, energy level"
|
||
Console.WriteLine($"Enter a personality description for {ourAnimals[i, 0]} (likes or dislikes, tricks, energy level)");
|
||
readResult = Console.ReadLine();
|
||
if (readResult != null)
|
||
{
|
||
animalPersonalityDescription = readResult.ToLower();
|
||
if (animalPersonalityDescription == "")
|
||
{
|
||
validEntry = false;
|
||
}
|
||
else
|
||
{
|
||
validEntry = true;
|
||
}
|
||
}
|
||
} while (validEntry == false);
|
||
|
||
ourAnimals[i, 5] = "Personality: " + animalPersonalityDescription;
|
||
}
|
||
}
|
||
Console.WriteLine("\n\rAge and physical description fields are complete for all of our friends. \n\rPress the Enter key to continue");
|
||
readResult = Console.ReadLine();
|
||
|
||
break;
|
||
|
||
case "5":
|
||
// Edit an animal’s age");
|
||
Console.WriteLine("UNDER CONSTRUCTION - please check back next month to see progress.");
|
||
Console.WriteLine("Press the Enter key to continue.");
|
||
readResult = Console.ReadLine();
|
||
break;
|
||
|
||
case "6":
|
||
// Edit an animal’s personality description");
|
||
Console.WriteLine("UNDER CONSTRUCTION - please check back next month to see progress.");
|
||
Console.WriteLine("Press the Enter key to continue.");
|
||
readResult = Console.ReadLine();
|
||
break;
|
||
|
||
case "7":
|
||
// Display all cats with a specified characteristic
|
||
Console.WriteLine("UNDER CONSTRUCTION - please check back next month to see progress.");
|
||
Console.WriteLine("Press the Enter key to continue.");
|
||
readResult = Console.ReadLine();
|
||
break;
|
||
|
||
case "8":
|
||
// Display all dogs with a specified characteristic
|
||
Console.WriteLine("UNDER CONSTRUCTION - please check back next month to see progress.");
|
||
Console.WriteLine("Press the Enter key to continue.");
|
||
readResult = Console.ReadLine();
|
||
break;
|
||
|
||
default:
|
||
break;
|
||
}
|
||
|
||
} while (menuSelection != "exit");
|