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feat: Introduce partial dates, localized author biographies and book descriptions, pre-release book status, and enhanced book search.
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21 files changed

Lines changed: 929 additions & 112 deletions

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‎src/ApiService/BookStore.ApiService.Tests/Helpers/BookHelpersTests.cs‎

Lines changed: 189 additions & 0 deletions
Original file line numberDiff line numberDiff line change
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using BookStore.ApiService.Helpers;
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using BookStore.ApiService.Models;
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namespace BookStore.ApiService.Tests.Helpers;
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public class BookHelpersTests
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{
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[Fact]
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public void IsPreRelease_WithNullPublicationDate_ReturnsFalse()
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{
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// Arrange
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PartialDate? publicationDate = null;
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// Act
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var result = BookHelpers.IsPreRelease(publicationDate);
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// Assert
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Assert.False(result);
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}
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[Fact]
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public void IsPreRelease_WithPastCompleteDate_ReturnsFalse()
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{
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// Arrange
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var publicationDate = new PartialDate(2020, 1, 15);
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// Act
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var result = BookHelpers.IsPreRelease(publicationDate);
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// Assert
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Assert.False(result);
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}
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[Fact]
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public void IsPreRelease_WithFutureCompleteDate_ReturnsTrue()
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{
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// Arrange
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var futureYear = DateTimeOffset.UtcNow.Year + 2;
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var publicationDate = new PartialDate(futureYear, 6, 15);
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// Act
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var result = BookHelpers.IsPreRelease(publicationDate);
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// Assert
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Assert.True(result);
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}
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[Fact]
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public void IsPreRelease_WithPastYearOnly_ReturnsFalse()
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{
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// Arrange
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var publicationDate = new PartialDate(2020);
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// Act
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var result = BookHelpers.IsPreRelease(publicationDate);
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// Assert
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Assert.False(result);
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}
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[Fact]
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public void IsPreRelease_WithFutureYearOnly_ReturnsTrue()
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{
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// Arrange
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var futureYear = DateTimeOffset.UtcNow.Year + 1;
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var publicationDate = new PartialDate(futureYear);
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// Act
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var result = BookHelpers.IsPreRelease(publicationDate);
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// Assert
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Assert.True(result);
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}
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[Fact]
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public void IsPreRelease_WithPastYearMonth_ReturnsFalse()
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{
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// Arrange
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var publicationDate = new PartialDate(2020, 6);
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// Act
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var result = BookHelpers.IsPreRelease(publicationDate);
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// Assert
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Assert.False(result);
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}
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[Fact]
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public void IsPreRelease_WithFutureYearMonth_ReturnsTrue()
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{
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// Arrange
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var futureYear = DateTimeOffset.UtcNow.Year + 1;
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var publicationDate = new PartialDate(futureYear, 3);
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// Act
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var result = BookHelpers.IsPreRelease(publicationDate);
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// Assert
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Assert.True(result);
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}
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[Fact]
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public void IsPreRelease_WithCurrentYearButFutureMonth_ReturnsTrue()
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{
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// Arrange
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var currentYear = DateTimeOffset.UtcNow.Year;
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var currentMonth = DateTimeOffset.UtcNow.Month;
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// Skip test if we're in December (no future month available)
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if (currentMonth == 12)
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{
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return;
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}
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var futureMonth = currentMonth + 1;
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var publicationDate = new PartialDate(currentYear, futureMonth);
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// Act
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var result = BookHelpers.IsPreRelease(publicationDate);
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// Assert
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Assert.True(result);
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}
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[Fact]
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public void IsPreRelease_WithCurrentYearButPastMonth_ReturnsFalse()
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{
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// Arrange
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var currentYear = DateTimeOffset.UtcNow.Year;
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var currentMonth = DateTimeOffset.UtcNow.Month;
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// Skip test if we're in January (no past month available)
133+
if (currentMonth == 1)
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{
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return;
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}
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var pastMonth = currentMonth - 1;
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var publicationDate = new PartialDate(currentYear, pastMonth);
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// Act
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var result = BookHelpers.IsPreRelease(publicationDate);
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// Assert
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Assert.False(result);
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}
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[Fact]
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public void IsPreRelease_WithTodayDate_ReturnsFalse()
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{
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// Arrange
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var today = DateOnly.FromDateTime(DateTimeOffset.UtcNow.DateTime);
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var publicationDate = new PartialDate(today.Year, today.Month, today.Day);
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// Act
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var result = BookHelpers.IsPreRelease(publicationDate);
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// Assert
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Assert.False(result);
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}
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[Fact]
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public void IsPreRelease_WithTomorrowDate_ReturnsTrue()
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{
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// Arrange
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var tomorrow = DateOnly.FromDateTime(DateTimeOffset.UtcNow.DateTime).AddDays(1);
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var publicationDate = new PartialDate(tomorrow.Year, tomorrow.Month, tomorrow.Day);
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// Act
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var result = BookHelpers.IsPreRelease(publicationDate);
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// Assert
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Assert.True(result);
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}
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[Fact]
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public void IsPreRelease_WithYesterdayDate_ReturnsFalse()
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{
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// Arrange
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var yesterday = DateOnly.FromDateTime(DateTimeOffset.UtcNow.DateTime).AddDays(-1);
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var publicationDate = new PartialDate(yesterday.Year, yesterday.Month, yesterday.Day);
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// Act
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var result = BookHelpers.IsPreRelease(publicationDate);
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// Assert
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Assert.False(result);
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}
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}

‎src/ApiService/BookStore.ApiService/Aggregates/AuthorAggregate.cs‎

Lines changed: 32 additions & 12 deletions
Original file line numberDiff line numberDiff line change
@@ -1,43 +1,44 @@
11
using BookStore.ApiService.Events;
2+
using BookStore.ApiService.Infrastructure;
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34
namespace BookStore.ApiService.Aggregates;
45

56
public class AuthorAggregate
67
{
78
public Guid Id { get; private set; }
89
public string Name { get; private set; } = string.Empty;
9-
public string? Biography { get; private set; }
10+
public Dictionary<string, AuthorTranslation> Translations { get; private set; } = [];
1011
public bool IsDeleted { get; private set; }
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1213
// Marten uses this for rehydration
1314
void Apply(AuthorAdded @event)
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{
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Id = @event.Id;
1617
Name = @event.Name;
17-
Biography = @event.Biography;
18+
Translations = @event.Translations ?? [];
1819
IsDeleted = false;
1920
}
2021

2122
void Apply(AuthorUpdated @event)
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{
2324
Name = @event.Name;
24-
Biography = @event.Biography;
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Translations = @event.Translations ?? [];
2526
}
2627

2728
void Apply(AuthorSoftDeleted _) => IsDeleted = true;
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2930
void Apply(AuthorRestored _) => IsDeleted = false;
3031

3132
// Command methods
32-
public static AuthorAdded Create(Guid id, string name, string? biography)
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public static AuthorAdded Create(Guid id, string name, Dictionary<string, AuthorTranslation>? translations)
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{
3435
ValidateName(name);
35-
ValidateBiography(biography);
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ValidateTranslations(translations);
3637

37-
return new AuthorAdded(id, name, biography, DateTimeOffset.UtcNow);
38+
return new AuthorAdded(id, name, translations, DateTimeOffset.UtcNow);
3839
}
3940

40-
public AuthorUpdated Update(string name, string? biography)
41+
public AuthorUpdated Update(string name, Dictionary<string, AuthorTranslation>? translations)
4142
{
4243
// Business rule: cannot update deleted author
4344
if (IsDeleted)
@@ -46,9 +47,9 @@ public AuthorUpdated Update(string name, string? biography)
4647
}
4748

4849
ValidateName(name);
49-
ValidateBiography(biography);
50+
ValidateTranslations(translations);
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51-
return new AuthorUpdated(Id, name, biography, DateTimeOffset.UtcNow);
52+
return new AuthorUpdated(Id, name, translations, DateTimeOffset.UtcNow);
5253
}
5354

5455
// Validation helper methods
@@ -65,11 +66,30 @@ static void ValidateName(string name)
6566
}
6667
}
6768

68-
static void ValidateBiography(string? biography)
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static void ValidateTranslations(Dictionary<string, AuthorTranslation>? translations)
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{
70-
if (biography != null && biography.Length > 5000)
71+
if (translations == null || translations.Count == 0)
7172
{
72-
throw new ArgumentException("Biography cannot exceed 5000 characters", nameof(biography));
73+
return; // Translations are optional
74+
}
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// Validate language codes
77+
if (!CultureValidator.ValidateTranslations(translations, out var invalidCodes))
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{
79+
throw new ArgumentException(
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$"Invalid language codes in biographies: {string.Join(", ", invalidCodes)}",
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nameof(translations));
82+
}
83+
84+
// Validate biography length for each translation
85+
foreach (var (languageCode, translation) in translations)
86+
{
87+
if (translation.Biography.Length > 5000)
88+
{
89+
throw new ArgumentException(
90+
$"Biography for language '{languageCode}' cannot exceed 5000 characters",
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nameof(translations));
92+
}
7393
}
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}
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