alphafetus/pcgs-inv
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Allowed coins to be checked before sending API requests.

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alphafetus committed 2023-11-09 13:30:54 -05:00
1 parent 937832bb26
commit f2fced1b44
7 files changed
+157 -86
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PcgsInvUi/App.axaml.cs
+10 -3
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@@ -1,3 +1,5 @@
using System;
using System.Data.Entity.Migrations.Model;
using Avalonia;
using Avalonia.Controls.ApplicationLifetimes;
using Avalonia.Markup.Xaml;
@@ -15,15 +17,20 @@ public partial class App : Application {
public override void OnFrameworkInitializationCompleted() {
base.OnFrameworkInitializationCompleted();
if (ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop) {
var coins = new CoinDatabase();
desktop.MainWindow = new MainWindow {
DataContext = new MainWindowViewModel(coins),
};
}
desktop.Exit += (sender, args) => {
coins.UpdateCollection("CollectionTable");
};
}
base.OnFrameworkInitializationCompleted();
}
public void OnExit(object sender, ControlledApplicationLifetimeExitEventArgs e) {
// Save the database?
}
}
PcgsInvUi/Models/Coin.cs
+1 -2
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@@ -1,5 +1,4 @@
using System;
using ReactiveUI;
using ReactiveUI;
namespace PcgsInvUi.Models;
PcgsInvUi/PcgsInvUi.csproj
+12 -7
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@@ -1,7 +1,7 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>WinExe</OutputType>
<TargetFramework>net6.0</TargetFramework>
<TargetFramework>net7.0</TargetFramework>
<Nullable>enable</Nullable>
<BuiltInComInteropSupport>true</BuiltInComInteropSupport>
<ApplicationManifest>app.manifest</ApplicationManifest>
@@ -15,13 +15,13 @@
<ItemGroup>
<PackageReference Include="Avalonia" Version="11.0.2"/>
<PackageReference Include="Avalonia.Desktop" Version="11.0.2"/>
<PackageReference Include="Avalonia.Themes.Fluent" Version="11.0.2"/>
<PackageReference Include="Avalonia.Fonts.Inter" Version="11.0.2"/>
<PackageReference Include="Avalonia" Version="11.0.5" />
<PackageReference Include="Avalonia.Desktop" Version="11.0.5" />
<PackageReference Include="Avalonia.Themes.Fluent" Version="11.0.5" />
<PackageReference Include="Avalonia.Fonts.Inter" Version="11.0.5" />
<!--Condition below is needed to remove Avalonia.Diagnostics package from build output in Release configuration.-->
<PackageReference Condition="'$(Configuration)' == 'Debug'" Include="Avalonia.Diagnostics" Version="11.0.2"/>
<PackageReference Include="Avalonia.ReactiveUI" Version="11.0.2"/>
<PackageReference Condition="'$(Configuration)' == 'Debug'" Include="Avalonia.Diagnostics" Version="11.0.5" />
<PackageReference Include="Avalonia.ReactiveUI" Version="11.0.5" />
<PackageReference Include="Newtonsoft.Json" Version="13.0.3"/>
<PackageReference Include="System.Data.SQLite" Version="1.0.118"/>
</ItemGroup>
@@ -83,4 +83,9 @@
<ItemGroup>
<None Remove="obj\**"/>
</ItemGroup>
<ItemGroup>
<Reference Include="System.Data" />
</ItemGroup>
</Project>
PcgsInvUi/Services/CoinDatabase.cs
+117 -57
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@@ -1,5 +1,5 @@
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Data.SQLite;
using PcgsInvUi.Models;
@@ -8,13 +8,30 @@ namespace PcgsInvUi.Services;
public class CoinDatabase {
public SQLiteConnection Connection { get; set; }
private Boolean IsConnected { get; set; }
public ObservableCollection<Coin> Collection { get; set; }
private PcgsClient _pcgsClient;
public CoinDatabase() {
// Create a connection to SQLite
Connection = CreateConnection();
// Create a client to access the API.
_pcgsClient = new PcgsClient(
"eAb8gS0I2XAvT_5gJeiGJaglMia1Tk-oB4kJUK6kuafyrny_S61vIJY-Ikl4nCQM67wrdxzUqLVWTV2kBSxD3d5XNBHxHnYBhcSS6dOPug0hZaF3qAv56df3gYSzOGh9Tif5y0eP3Iw0LrqKDr1Hj-dk6SV6GKog2IIqCPQhhHH8FMTWBTYO-_O8cx7qLdM5GM8KlTsic6g3VRUhM8EA_4OO04dCfmNLGhqINRl3jGZ0Q4ziI8fng2bVWsIyteqiPzUn10rIQ3-OPpqVZG_DxeOmOejj4GzbUNyqUOajy-nr5rYY");
// Create a base table.
CreateCollection("CollectionTable");
Console.WriteLine("Connected to database.");
Collection = new ObservableCollection<Coin>();
GetCollection("CollectionTable");
Console.WriteLine("Got collection.");
}
~CoinDatabase() {
Console.WriteLine("Destructor called, saving collection.");
// Save collection.
UpdateCollection("CollectionTable");
// Close the connection.
Connection.Close();
}
private SQLiteConnection CreateConnection() {
@@ -62,13 +79,15 @@ public class CoinDatabase {
"DESIGNATION TEXT," +
"CERT_NUM INTEGER," +
"QUANTITY INTEGER," +
"NOTES TEXT," +
"PRIMARY KEY(PCGS_NUMBER, GRADE))";
// Execute the command.
cmd.ExecuteNonQuery();
}
public void InsertCoin(Coin newCoin) {
public void InsertCoin(Coin coin) {
Console.WriteLine("Inserting coin...");
// Use our existing connection to insert a coin to the database.
if (!IsConnected) {
// TODO Create a NotConnectedToDatabaseException
@@ -82,44 +101,63 @@ public class CoinDatabase {
"INSERT INTO CollectionTable (PCGS_NUMBER, GRADE, YEAR," +
"DENOMINATION, MINT_MARK, PRICE_GUIDE_VALUE, COIN_FACTS_LINK," +
"MAJOR_VARIETY, MINOR_VARIETY, DIE_VARIETY, SERIES_NAME, CATEGORY, DESIGNATION," +
"CERT_NUM, QUANTITY) " +
"VALUES (@PcgsNumber, @Grade, @Year, @Denomination, @MintMark, @PriceGuideValue," +
"@CoinFactsLink, @MajorVariety, @MinorVariety, @DieVariety, @SeriesName, @Category, @Designation," +
"@CertificateNumber, @Quantity)";
cmd.Parameters.AddWithValue("@PcgsNumber", newCoin.PCGSNo);
cmd.Parameters.AddWithValue("@Grade", newCoin.Grade);
cmd.Parameters.AddWithValue("@Year", newCoin.Year);
cmd.Parameters.AddWithValue("@Denomination", newCoin.Denomination);
cmd.Parameters.AddWithValue("@MintMark", newCoin.MintMark);
cmd.Parameters.AddWithValue("@PriceGuideValue", newCoin.PriceGuideValue);
cmd.Parameters.AddWithValue("@CoinFactsLink", newCoin.CoinFactsLink);
cmd.Parameters.AddWithValue("@MajorVariety", newCoin.MajorVariety);
cmd.Parameters.AddWithValue("@MinorVariety", newCoin.MinorVariety);
cmd.Parameters.AddWithValue("@DieVariety", newCoin.DieVariety);
cmd.Parameters.AddWithValue("@SeriesName", newCoin.SeriesName);
cmd.Parameters.AddWithValue("@Category", newCoin.Category);
cmd.Parameters.AddWithValue("@Designation", newCoin.Designation);
cmd.Parameters.AddWithValue("@CertificateNumber", newCoin.CertificateNumber);
cmd.Parameters.AddWithValue("@Quantity", newCoin.Quantity);
"CERT_NUM, QUANTITY, NOTES) " +
$"VALUES ('{coin.PCGSNo}', '{coin.Grade}', {coin.Year}, '{coin.Denomination}', '{coin.MintMark}', {coin.PriceGuideValue}," +
$"'{coin.CoinFactsLink}', '{coin.MajorVariety}', '{coin.MinorVariety}', '{coin.DieVariety}', '{coin.SeriesName}', " +
$"'{coin.Category}', '{coin.Designation}', {coin.CertificateNumber}, {coin.Quantity}, @Notes)";
cmd.Parameters.AddWithValue("@Notes", coin.Notes);
// Execute the command.
cmd.ExecuteNonQuery();
}
public List<Coin> GetCollection(string collectionName) {
public async void CreateCoin(int pcgsNumber, string grade, int quantity) {
Console.WriteLine("Creating coin...");
// Create a coin by calling the API, then insert it into the database.
// First, check if the coin already exists - if it does, just update the quantity by adding the amount entered.
var coin = GetCoin(pcgsNumber, grade);
if (coin is not null) {
coin.Quantity += quantity;
SaveCoin("CollectionTable", coin);
}
else {
// Build a new coin with the API and insert it.
var newCoin = await _pcgsClient.GetCoinFactsByGrade(pcgsNumber, grade);
newCoin.Quantity = quantity;
InsertCoin(newCoin);
}
}
public Coin? GetCoin(int pcgsNumber, string grade) {
Console.WriteLine($"Getting coin {pcgsNumber}, {grade}...");
int gradeInt = GetGradeFromString(grade);
// Check the collection to see if the coin exists.
// We can't make a more efficient algorithm since there's not really an ordering to the collection.
foreach (var coin in Collection) {
if (coin.PCGSNo == pcgsNumber.ToString() && coin.Grade.Contains(gradeInt.ToString())) { // This has the possibility of a false positive for single digit grades.
if (gradeInt < 10)
if (char.IsDigit(coin.Grade[3])) continue; // TODO For right now, we're going to assume that the first 2 characters are ciruclation strings, and the next 2 are grade numbers.
Console.WriteLine("Found coin.");
return coin;
}
}
Console.WriteLine("Couldn't find coin.");
return null;
}
public void GetCollection(string collectionName) {
Console.WriteLine("Getting collection...");
SQLiteCommand cmd = Connection.CreateCommand();
cmd.CommandText = $"SELECT * FROM {collectionName}";
var coins = new List<Coin>();
using (var reader = cmd.ExecuteReader()) {
while (reader.Read()) {
// Create coin from reader then add to list.
coins.Add(CoinFromReader(reader));
Collection.Add(CoinFromReader(reader));
}
}
return coins;
}
public String CollectionToCSV(string collectionName) {
@@ -163,7 +201,6 @@ public class CoinDatabase {
resultString += "NULL" + ",";
}
}
resultString += "\n";
}
}
@@ -171,42 +208,59 @@ public class CoinDatabase {
return resultString;
}
public Coin? GetCoin(int pcgsNumber, string grade) {
// Get the coin based off of the pcgs number.
public void SaveCoin(string collectionName, Coin coin) {
// Get and replace the coin from the database.
Console.WriteLine("Saving coin...");
SQLiteCommand cmd = Connection.CreateCommand();
cmd.CommandText = "SELECT * FROM CollectionTable WHERE Id = @Id AND Grade = @Grade";
cmd.Parameters.AddWithValue("@Id", pcgsNumber);
cmd.Parameters.AddWithValue("@Grade", grade);
Coin? returnCoin = null;
cmd.CommandText = $"UPDATE {collectionName} " +
$"SET YEAR = {coin.Year}, " +
$"DENOMINATION = \'{coin.Denomination}\', " +
$"MINT_MARK = \'{coin.MintMark}\', " +
$"PRICE_GUIDE_VALUE = \'{coin.PriceGuideValue}\', " +
$"COIN_FACTS_LINK = \'{coin.CoinFactsLink}\', " +
$"MAJOR_VARIETY = \'{coin.MajorVariety}\', " +
$"MINOR_VARIETY = \'{coin.MinorVariety}\', " +
$"DIE_VARIETY = \'{coin.DieVariety}\', " +
$"SERIES_NAME = \'{coin.SeriesName}\', " +
$"CATEGORY = \'{coin.Category}\', " +
$"DESIGNATION = \'{coin.Designation}\', " +
$"CERT_NUM = \'{coin.CertificateNumber}\', " +
$"QUANTITY = {coin.Quantity}, " +
$"NOTES = @Notes " +
$"WHERE PCGS_NUMBER = {coin.PCGSNo} AND GRADE = \'{coin.Grade}\'";
cmd.Parameters.AddWithValue("@Notes", coin.Notes);
Console.WriteLine(cmd.CommandText);
// Execute the command.
using (var reader = cmd.ExecuteReader()) {
while (reader.Read()) {
returnCoin = CoinFromReader(reader);
}
}
cmd.ExecuteNonQuery();
}
return returnCoin;
public void UpdateCollection(string collectionName) {
// Update the database with the contents of the collection.
// TODO This is a very inefficient way of doing this. I should be able to do this in one command.
foreach (var coin in Collection) {
SaveCoin(collectionName, coin); // CAREFUL! This will not create a coin if it doesn't currently exist.
}
}
private Coin CoinFromReader(SQLiteDataReader reader) {
// Create a coin while filtering out any possible null values - they throw exceptions.
Coin coin = new Coin();
coin.PCGSNo = reader.GetString(0);
coin.Grade = reader.GetString(1);
coin.Year = reader.GetInt32(2);
coin.Denomination = reader.GetString(3);
coin.MintMark = reader.GetString(4);
coin.PriceGuideValue = reader.GetDouble(5);
coin.CoinFactsLink = reader.GetString(6);
coin.MajorVariety = reader.GetString(7);
coin.MinorVariety = reader.GetString(8);
coin.DieVariety = reader.GetString(9);
coin.SeriesName = reader.GetString(10);
coin.Category = reader.GetString(11);
coin.Designation = reader.GetString(12);
coin.CertificateNumber = reader.GetInt32(13);
coin.Quantity = reader.GetInt32(14);
if (!reader.IsDBNull(0)) coin.PCGSNo = reader.GetString(0);
if (!reader.IsDBNull(1)) coin.Grade = reader.GetString(1);
if (!reader.IsDBNull(2)) coin.Year = reader.GetInt32(2);
if (!reader.IsDBNull(3)) coin.Denomination = reader.GetString(3);
if (!reader.IsDBNull(4)) coin.MintMark = reader.GetString(4);
if (!reader.IsDBNull(5)) coin.PriceGuideValue = reader.GetDouble(5);
if (!reader.IsDBNull(6)) coin.CoinFactsLink = reader.GetString(6);
if (!reader.IsDBNull(7)) coin.MajorVariety = reader.GetString(7);
if (!reader.IsDBNull(8)) coin.MinorVariety = reader.GetString(8);
if (!reader.IsDBNull(9)) coin.DieVariety = reader.GetString(9);
if (!reader.IsDBNull(10)) coin.SeriesName = reader.GetString(10);
if (!reader.IsDBNull(11)) coin.Category = reader.GetString(11);
if (!reader.IsDBNull(12)) coin.Designation = reader.GetString(12);
if (!reader.IsDBNull(13)) coin.CertificateNumber = reader.GetInt32(13);
if (!reader.IsDBNull(14)) coin.Quantity = reader.GetInt32(14);
if (!reader.IsDBNull(15)) coin.Notes = reader.GetString(15);
coin.TotalPrice = coin.Quantity * coin.PriceGuideValue;
return coin;
}
@@ -219,4 +273,10 @@ public class CoinDatabase {
cmd.ExecuteNonQuery();
}
private int GetGradeFromString(string grade) {
var actualGrade = int.Parse(grade.Substring(grade.Length - 2));
Console.WriteLine($"Grade is {actualGrade}");
return actualGrade;
}
}
PcgsInvUi/Services/PcgsClient.cs
+9 -3
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@@ -2,16 +2,22 @@
using System.Net.Http;
using System.Net.Http.Headers;
using System.Threading.Tasks;
// using Newtonsoft.Json;
using PcgsInvUi.Models;
using System.Text.Json;
using System.Text.Json.Serialization;
using ReactiveUI;
namespace PcgsInvUi.Services;
public class PcgsClient {
public class PcgsClient : ReactiveObject {
public int NumApiRequests {
get => _numApiRequests;
set => this.RaiseAndSetIfChanged(ref _numApiRequests, value);
}
private string _apiUri = "https://api.pcgs.com/publicapi";
private readonly string _apiKey;
private int _numApiRequests;
public PcgsClient(string apiKey) {
// _apiKey = apiKey;
PcgsInvUi/ViewModels/MainWindowViewModel.cs
+5 -13
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@@ -10,7 +10,7 @@ using ReactiveUI;
namespace PcgsInvUi.ViewModels;
// TODO Error handling.
// TODO Error handling for API calls.
// TODO Manual handling of API key.
// TODO Use CoinFacts link.
// TODO Splash screen during startup.
@@ -26,7 +26,6 @@ public class MainWindowViewModel : ViewModelBase {
get => _sideContent;
private set => this.RaiseAndSetIfChanged(ref _sideContent, value);
}
public ObservableCollection<Coin> CoinCollection { get; set; }
public ObservableCollection<Coin> DisplayedList { get; set; }
public CoinDatabase ConnectedCoinDatabase { get; set; }
public Coin? SelectedCoin {
@@ -53,11 +52,8 @@ public class MainWindowViewModel : ViewModelBase {
var newViewModel = new NewViewModel();
_sideContent = newViewModel;
// DisplayedList = CoinCollection = new ObservableCollection<Coin>(coins.GetItems());
DisplayedList = CoinCollection =
new ObservableCollection<Coin>(coins.GetCollection("CollectionTable"));
DisplayedList = ConnectedCoinDatabase.Collection;
TotalValue = DisplayedList.Sum(x => x.TotalPrice);
_pcgsClient = new PcgsClient(
"eAb8gS0I2XAvT_5gJeiGJaglMia1Tk-oB4kJUK6kuafyrny_S61vIJY-Ikl4nCQM67wrdxzUqLVWTV2kBSxD3d5XNBHxHnYBhcSS6dOPug0hZaF3qAv56df3gYSzOGh9Tif5y0eP3Iw0LrqKDr1Hj-dk6SV6GKog2IIqCPQhhHH8FMTWBTYO-_O8cx7qLdM5GM8KlTsic6g3VRUhM8EA_4OO04dCfmNLGhqINRl3jGZ0Q4ziI8fng2bVWsIyteqiPzUn10rIQ3-OPpqVZG_DxeOmOejj4GzbUNyqUOajy-nr5rYY");
// Set up the ability to open the delete window.
ShowDeleteWindow = new Interaction<DeleteWindowViewModel, bool>();
@@ -68,7 +64,7 @@ public class MainWindowViewModel : ViewModelBase {
var result = await ShowDeleteWindow.Handle(deleteViewModel);
if (result && SelectedCoin is not null) {
ConnectedCoinDatabase.DeleteCoin(SelectedCoin);
CoinCollection.Remove(SelectedCoin); // possible null deref - ignored due to button being disabled.
ConnectedCoinDatabase.Collection.Remove(SelectedCoin); // possible null deref - ignored due to button being disabled.
}
}, deleteEnabled);
@@ -93,16 +89,12 @@ public class MainWindowViewModel : ViewModelBase {
// This is the same as the above, but with a different syntax.
newViewModel.OkCommand
.Subscribe(async requestStructure => {
var newCoin = await _pcgsClient.GetCoinFactsByGrade(requestStructure.Item1, requestStructure.Item2);
newCoin.Quantity = requestStructure.Item3;
CoinCollection.Add(newCoin);
coins.InsertCoin(newCoin);
TotalValue += newCoin.Quantity * newCoin.PriceGuideValue;
ConnectedCoinDatabase.CreateCoin(requestStructure.Item1, requestStructure.Item2, requestStructure.Item3);
});
// Change TotalValue anytime SelectedCoin.TotalPrice changes.
// Possible null deref - ignored due to null values summing to 0.
this.WhenAnyValue(x => x.SelectedCoin.TotalPrice)
.Subscribe(_ => TotalValue = CoinCollection.Sum(x => x.TotalPrice));
.Subscribe(_ => TotalValue = ConnectedCoinDatabase.Collection.Sum(x => x.TotalPrice));
}
}
PcgsInvUi/Views/MainWindow.axaml
+3 -1
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@@ -14,7 +14,9 @@
<Grid RowDefinitions="Auto, *">
<UserControl Grid.Row="0" Margin="10, 20, 10, 10" VerticalAlignment="Center"
Content="{Binding SidebarContent}" />
<TextBox Grid.Row="1" Margin="5" Watermark="Notes..." />
<TextBox Grid.Row="1" Margin="5" Watermark="Notes..."
Text="{Binding SelectedCoin.Notes}"
IsReadOnly="False" TextWrapping="Wrap"/>
</Grid>
</SplitView.Pane>
<Grid RowDefinitions="*, Auto" ShowGridLines="False">