Creates domain layer.

spring-ddd-domain/src/main/java/com/rogelioorts/training/spring/ddd/repositories/entities/Movie.java

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+package com.rogelioorts.training.spring.ddd.repositories.entities;
+
+import com.rogelioorts.training.spring.ddd.repositories.value.objects.CensoringLevel;
+
+import lombok.EqualsAndHashCode;
+import lombok.Getter;
+import lombok.Setter;
+
+@Getter
+@Setter
+@EqualsAndHashCode(onlyExplicitlyIncluded = true)
+public class Movie {
+
+	@EqualsAndHashCode.Include
+	private String id;
+	
+	private String title;
+	
+	private String image;
+	
+	private String description;
+	
+	private String streamUrl;
+	
+	private double puntuation;
+
+	private CensoringLevel censoringLevel;
+	
+}

spring-ddd-domain/src/main/java/com/rogelioorts/training/spring/ddd/repositories/factories/FiltersFactory.java

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+package com.rogelioorts.training.spring.ddd.repositories.factories;
+
+import com.rogelioorts.training.spring.ddd.repositories.value.objects.CensoringLevel;
+import com.rogelioorts.training.spring.ddd.repositories.value.objects.Filter;
+import com.rogelioorts.training.spring.ddd.repositories.value.objects.impl.CensoringFilter;
+
+public class FiltersFactory {
+
+	public static Filter censoringFilter(CensoringLevel level) {
+		return new CensoringFilter(level);
+	}
+	
+}

spring-ddd-domain/src/main/java/com/rogelioorts/training/spring/ddd/repositories/value/objects/CensoringLevel.java

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+package com.rogelioorts.training.spring.ddd.repositories.value.objects;
+
+public enum CensoringLevel {
+
+}

spring-ddd-domain/src/main/java/com/rogelioorts/training/spring/ddd/repositories/value/objects/Filter.java

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+package com.rogelioorts.training.spring.ddd.repositories.value.objects;
+
+import java.util.List;
+
+import com.rogelioorts.training.spring.ddd.repositories.entities.Movie;
+
+public interface Filter {
+
+	List<Movie> apply(List<Movie> movies);
+	
+}

spring-ddd-domain/src/main/java/com/rogelioorts/training/spring/ddd/repositories/value/objects/impl/CensoringFilter.java

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+package com.rogelioorts.training.spring.ddd.repositories.value.objects.impl;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+import com.rogelioorts.training.spring.ddd.repositories.entities.Movie;
+import com.rogelioorts.training.spring.ddd.repositories.value.objects.CensoringLevel;
+import com.rogelioorts.training.spring.ddd.repositories.value.objects.Filter;
+
+import lombok.AllArgsConstructor;
+import lombok.EqualsAndHashCode;
+
+@EqualsAndHashCode
+@AllArgsConstructor
+public class CensoringFilter implements Filter {
+	
+	private CensoringLevel level;
+
+	@Override
+	public List<Movie> apply(List<Movie> movies) {
+		return movies.stream().filter(this::checkMovieFilter).collect(Collectors.toList());
+	}
+	
+	private boolean checkMovieFilter(Movie movie) {
+		return level == null || level.equals(movie.getCensoringLevel());
+	}
+
+}