refactor(app): implement year filter for account entries and update related services

src/Duempelkas.Infrastructure/Services/EntryService.cs

@@ -13,14 +13,20 @@ public class EntryService : IEntryService
 
     public EntryService(IDbContextFactory<FinanceDbContext> dbFactory) => _dbFactory = dbFactory;
 
-    public async Task<List<EntryDto>> GetEntriesAsync(int accountId, bool currentYearOnly)
+    public Task<List<EntryDto>> GetEntriesAsync(int accountId, bool currentYearOnly)
+    {
+        var year = currentYearOnly ? DateTime.Now.Year : (int?)null;
+        return GetEntriesAsync(accountId, year);
+    }
+
+    public async Task<List<EntryDto>> GetEntriesAsync(int accountId, int? year)
     {
         await using var db = await _dbFactory.CreateDbContextAsync();
 
         var query = db.Entries.Where(e => e.AccountId == accountId);
 
-        if (currentYearOnly)
-            query = query.Where(e => e.Date.Year == DateTime.Now.Year);
+        if (year.HasValue)
+            query = query.Where(e => e.Date.Year == year.Value);
 
         var entries = await query
             .OrderBy(e => e.Date)
@@ -59,6 +65,18 @@ public class EntryService : IEntryService
         }).ToList();
     }
 
+    public async Task<List<int>> GetEntryYearsAsync(int accountId)
+    {
+        await using var db = await _dbFactory.CreateDbContextAsync();
+
+        return await db.Entries
+            .Where(e => e.AccountId == accountId)
+            .Select(e => e.Date.Year)
+            .Distinct()
+            .OrderByDescending(y => y)
+            .ToListAsync();
+    }
+
     public async Task<EntryDto> CreateEntryAsync(int accountId, EntryType type, DateTime date, string title, decimal amount)
     {
         await using var db = await _dbFactory.CreateDbContextAsync();