Holy fuck postgresql

Author: ComputerElite

.gitignore

@@ -3,4 +3,6 @@ obj/
 /packages/
 riderModule.iml
 /_ReSharper.Caches/
-.idea/
+.idea/
+postgres_data/
+dotnet_data/

EatSomewhere.sln.DotSettings.user

@@ -1,3 +1,4 @@
 <wpf:ResourceDictionary xml:space="preserve" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:s="clr-namespace:System;assembly=mscorlib" xmlns:ss="urn:shemas-jetbrains-com:settings-storage-xaml" xmlns:wpf="http://schemas.microsoft.com/winfx/2006/xaml/presentation">
 	<s:String x:Key="/Default/CodeInspection/ExcludedFiles/FilesAndFoldersToSkip2/=7020124F_002D9FFC_002D4AC3_002D8F3D_002DAAB8E0240759_002Ff_003AEnumerable_002Ecs_002Fl_003A_002E_002E_003F_002E_002E_003F_002Econfig_003FJetBrains_003FRider2025_002E1_003Fresharper_002Dhost_003FDecompilerCache_003Fdecompiler_003F8e0f76263c434f48923effc052b11def78a00_003F14_003Fd5bdda30_003FEnumerable_002Ecs/@EntryIndexedValue">ForceIncluded</s:String>
+	<s:String x:Key="/Default/CodeInspection/ExcludedFiles/FilesAndFoldersToSkip2/=7020124F_002D9FFC_002D4AC3_002D8F3D_002DAAB8E0240759_002Ff_003AHttpListener_002Ecs_002Fl_003A_002E_002E_003F_002E_002E_003F_002Econfig_003FJetBrains_003FRider2025_002E1_003Fresharper_002Dhost_003FDecompilerCache_003Fdecompiler_003F9a52bbb6016b431f99d9b6e2d1d363a745a00_003F9f_003F7a293fa6_003FHttpListener_002Ecs/@EntryIndexedValue">ForceIncluded</s:String>
 	<s:String x:Key="/Default/CodeInspection/ExcludedFiles/FilesAndFoldersToSkip2/=7020124F_002D9FFC_002D4AC3_002D8F3D_002DAAB8E0240759_002Ff_003AThreadPoolWorkQueue_002Ecs_002Fl_003A_002E_002E_003F_002E_002E_003F_002Econfig_003FJetBrains_003FRider2025_002E1_003Fresharper_002Dhost_003FDecompilerCache_003Fdecompiler_003Fd15de8ed93064806a163b97c7155b882d19c00_003F9e_003F26077aa7_003FThreadPoolWorkQueue_002Ecs/@EntryIndexedValue">ForceIncluded</s:String></wpf:ResourceDictionary>

EatSomewhere/Config.cs

@@ -7,7 +7,9 @@ public class Config
 {
 
     public static Config? Instance;
-    public string? dbConnectionString { get; set; }
+
+    public string? dbConnectionString { get; set; } =
+        "Server=127.0.0.1;Port=5432;Database=eatsomewhere;Username=eatsomewhere;Password=eatsomewhere;";
     public int port { get; set; } = 8383;
     private static readonly string _configPath = "config.json";
     public static void LoadConfig()

EatSomewhere/Data/Bill.cs

@@ -19,4 +19,5 @@ public class Bill
     [JsonIgnore]
     public FoodEntry FoodEntry { get; set; }
     public int Amount { get; set; }
+    public int Persons { get; set; } = 1;
 }

EatSomewhere/Data/BillManager.cs

@@ -8,9 +8,8 @@ public class BillManager
     public static List<Bill> GetTotalBills(User user, string assemblyId, bool first = true)
     {
         using var d = new AppDbContext();
-        d.Attach(user);
         List<Bill> total = d.Bills
-            .Where(x => x.User == user && x.FoodEntry.Assembly.Id == assemblyId)
+            .Where(x => x.User.Id == user.Id && x.FoodEntry.Assembly.Id == assemblyId)
             .GroupBy(x => x.Recipient)
             .Select(x => new Bill
             {
@@ -24,7 +23,7 @@ public static List<Bill> GetTotalBills(User user, string assemblyId, bool first
             foreach (var bill in total)
             {
                 Bill? theirBill = d.Bills
-                    .Where(x => x.User == bill.Recipient && x.Recipient == user && x.FoodEntry.Assembly.Id == assemblyId)
+                    .Where(x => x.User == bill.Recipient && x.Recipient.Id == user.Id && x.FoodEntry.Assembly.Id == assemblyId)
                     .GroupBy(x => x.Recipient)
                     .Select(x => new Bill
                     {

EatSomewhere/Data/Food.cs

@@ -1,4 +1,5 @@
 using System.ComponentModel.DataAnnotations.Schema;
+using System.Text.Json.Serialization;
 using EatSomewhere.Users;
 
 namespace EatSomewhere.Data;
@@ -24,4 +25,6 @@ public int EstimatedCost
     }
     public string Recipe { get; set; }
     public bool Archived { get; set; } = false;
+    [JsonIgnore]
+    public IEnumerable<FoodEntry>? FoodEntries { get; set; }
 }

EatSomewhere/Data/FoodEntry.cs

@@ -18,7 +18,7 @@ public class FoodEntry
 
     public int PersonCount => Participants.Sum(x => x.Persons);
     public List<FoodParticipant> Participants { get; set; }
-    public User PayedBy { get; set; }
+    public User? PayedBy { get; set; }
     public Assembly Assembly { get; set; }
     public User CreatedBy { get; set; }
     public List<Bill> Bills { get; set; }
@@ -29,6 +29,7 @@ public List<Bill> CalculateBills()
         {
             User = x.User ?? null,
             Amount = CostPerPerson * x.Persons,
+            Persons = x.Persons,
             Recipient = PayedBy,
         }).ToList();
     }

EatSomewhere/Database/AppDbContext.cs

@@ -18,7 +18,7 @@ public class AppDbContext : DbContext
     protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
     {
         Config.LoadConfig();
-        optionsBuilder.UseSqlite(Config.Instance.dbConnectionString == null ? "Data Source=" + AppDomain.CurrentDomain.BaseDirectory + "database.db" : Config.Instance.dbConnectionString);
+        optionsBuilder.UseNpgsql(Config.Instance?.dbConnectionString == null ? new Config().dbConnectionString : Config.Instance.dbConnectionString);
     }
 
     protected override void OnModelCreating(ModelBuilder modelBuilder)
@@ -49,10 +49,13 @@ protected override void OnModelCreating(ModelBuilder modelBuilder)
 
         modelBuilder.Entity<FoodEntry>().HasKey(x => x.Id);
         modelBuilder.Entity<FoodEntry>().Navigation(x => x.Food).AutoInclude();
+        modelBuilder.Entity<FoodEntry>().HasOne(x => x.Food).WithMany(x => x.FoodEntries);
         modelBuilder.Entity<FoodEntry>().Navigation(x => x.Participants).AutoInclude();
         modelBuilder.Entity<FoodEntry>().HasMany(x => x.Participants).WithOne(x => x.FoodEntry);
-        modelBuilder.Entity<FoodEntry>().Navigation(x => x.PayedBy).AutoInclude();
+        modelBuilder.Entity<FoodEntry>().HasOne(x => x.CreatedBy).WithMany();
         modelBuilder.Entity<FoodEntry>().Navigation(x => x.CreatedBy).AutoInclude();
+        modelBuilder.Entity<FoodEntry>().HasOne(x => x.PayedBy).WithMany(x => x.PayedFoodEntries);
+        modelBuilder.Entity<FoodEntry>().Navigation(x => x.PayedBy).AutoInclude();
         modelBuilder.Entity<FoodEntry>().HasOne(x => x.Assembly).WithMany(x => x.FoodEntries);
 
         modelBuilder.Entity<FoodParticipant>().HasKey(x => x.Id);

EatSomewhere/EatSomewhere.csproj

@@ -17,6 +17,7 @@
         <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       </PackageReference>
       <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="9.0.1" />
+      <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="9.0.4" />
     </ItemGroup>
 
 </Project>

EatSomewhere/Manager/FoodManager.cs

@@ -188,7 +188,7 @@ public static ApiResponse<FoodEntry> CreateFoodEntry(User user, FoodEntry food)
             };
         }
         food.Food = foundFood;
-        User? foundPayedBy = a.Users.FirstOrDefault(x => x.Id == food.PayedBy.Id);
+        User? foundPayedBy = a.Users.FirstOrDefault(x => x.Id == food.PayedBy?.Id);
         if (foundPayedBy == null)
         {
             return new ApiResponse<FoodEntry>
@@ -308,6 +308,7 @@ public static ApiResponse<Ingredient> CreateIngredient(User user, Ingredient ing
     public static ApiResponse DeleteAssembly(User user, string Id)
     {
         using var d = new AppDbContext();
+        d.Attach(user);
         var assembly = d.Assemblies.FirstOrDefault(a => a.Id == Id);
         if (assembly == null)
         {
@@ -345,7 +346,8 @@ static bool CanAdministrateAssembly(User user, Assembly assembly)
     public static ApiResponse DeleteIngredient(User user, string id)
     {
         using var d = new AppDbContext();
-        var ingredient = d.Ingredients.Where(a => a.Id == id).Include(x => x.Assembly).FirstOrDefault();
+        d.Attach(user);
+        var ingredient = d.Ingredients.Where(a => a.Id == id).Include(x => x.Assembly).ThenInclude(x => x.Admins).FirstOrDefault();
         if (ingredient == null)
         {
             return new ApiResponse
@@ -376,7 +378,8 @@ public static ApiResponse DeleteIngredient(User user, string id)
     public static ApiResponse DeleteFoodEntry(User user, string id)
     {
         using var d = new AppDbContext();
-        var foodEntry = d.FoodEntries.Where(a => a.Id == id).Include(x => x.Assembly).FirstOrDefault();
+        d.Attach(user);
+        var foodEntry = d.FoodEntries.Where(a => a.Id == id).Include(x => x.Assembly).ThenInclude(x => x.Admins).FirstOrDefault();
         if (foodEntry == null)
         {
             return new ApiResponse
@@ -564,7 +567,8 @@ public static ApiResponse<String> RemoveUserFromAssembly(User user, string assem
     public static ApiResponse DeleteFood(User user, string id)
     {
         using var d = new AppDbContext();
-        var food = d.Foods.Where(a => a.Id == id).Include(x => x.Assembly).FirstOrDefault();
+        d.Attach(user);
+        var food = d.Foods.Where(a => a.Id == id).Include(x => x.Assembly).ThenInclude(x => x.Admins).FirstOrDefault();
         if (food == null)
         {
             return new ApiResponse
@@ -574,7 +578,7 @@ public static ApiResponse DeleteFood(User user, string id)
             };
         }
 
-        if (!CanAdministrateAssembly(user, food.Assembly))
+        if (!CanAdministrateAssembly(user, food.Assembly) && food.CreatedBy.Id != user.Id)
         {
             return new ApiResponse
             {
@@ -589,7 +593,7 @@ public static ApiResponse DeleteFood(User user, string id)
 
         return new ApiResponse
         {
-            Success = true
+            Success = true,
         };
     }