[refactor] alias, category, tag jpa 구조 수정 #266
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,117 @@ | ||
| package konkuk.thip.common.util; | ||
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| import konkuk.thip.feed.domain.value.Tag; | ||
| import konkuk.thip.room.domain.value.Category; | ||
| import konkuk.thip.user.domain.value.Alias; | ||
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| import java.util.Collections; | ||
| import java.util.EnumMap; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
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| public final class EnumMappings { | ||
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| private EnumMappings() {} | ||
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| private static final Map<Alias, Category> aliasToCategory; | ||
| private static final Map<Category, List<Tag>> categoryToTags; | ||
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| // 역방향 인덱스 | ||
| private static final Map<Category, Alias> categoryToAlias; | ||
| private static final Map<Tag, Category> tagToCategory; | ||
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| static { | ||
| // Alias -> Category | ||
| EnumMap<Alias, Category> a2c = new EnumMap<>(Alias.class); | ||
| a2c.put(Alias.WRITER, Category.LITERATURE); // 문학가 | ||
| a2c.put(Alias.SCIENTIST, Category.SCIENCE_IT); // 과학자 | ||
| a2c.put(Alias.SOCIOLOGIST, Category.SOCIAL_SCIENCE); // 사회학 | ||
| a2c.put(Alias.ARTIST, Category.ART); // 예술가 | ||
| a2c.put(Alias.PHILOSOPHER, Category.HUMANITY); // 철학자 | ||
| aliasToCategory = Collections.unmodifiableMap(a2c); | ||
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| // Category -> Tags | ||
| EnumMap<Category, List<Tag>> c2t = new EnumMap<>(Category.class); | ||
| c2t.put(Category.LITERATURE, List.of( // 문학 | ||
| Tag.KOREAN_NOVEL, Tag.FOREIGN_NOVEL, Tag.CLASSIC_LITERATURE, Tag.ESSAY, Tag.POETRY, | ||
| Tag.PLAY, Tag.DETECTIVE_NOVEL, Tag.FANTASY_NOVEL, Tag.ROMANCE_NOVEL, Tag.LITERARY_THEORY | ||
| )); | ||
| c2t.put(Category.SCIENCE_IT, List.of( // 과학·IT | ||
| Tag.GENERAL_SCIENCE, Tag.PHYSICS, Tag.CHEMISTRY, Tag.BIOLOGY, Tag.ASTRONOMY, | ||
| Tag.EARTH_SCIENCE, Tag.MATHEMATICS, Tag.GENERAL_ENGINEERING, | ||
| Tag.COMPUTER_ENGINEERING, Tag.PROGRAMMING, Tag.IT_GENERAL | ||
| )); | ||
| c2t.put(Category.SOCIAL_SCIENCE, List.of( // 사회과학 | ||
| Tag.SOCIOLOGY, Tag.LAW, Tag.GENERAL_POLITICS, Tag.POLITICAL_SCIENCE, | ||
| Tag.ECONOMICS, Tag.BUSINESS_ADMIN, Tag.JURISPRUDENCE, Tag.EDUCATION, | ||
| Tag.PSYCHOLOGY, Tag.MEDIA, Tag.INTERNATIONAL_RELATIONS, Tag.SOCIAL_ISSUES, | ||
| Tag.MARKETING, Tag.INVESTMENT, Tag.STARTUP, Tag.GENERAL_ECONOMY | ||
| )); | ||
| c2t.put(Category.HUMANITY, List.of( // 인문학 | ||
| Tag.PHILOSOPHY, Tag.HISTORY, Tag.RELIGION, Tag.CLASSICS, Tag.LINGUISTICS, | ||
| Tag.CULTURAL_ANTHROPOLOGY, Tag.HUMANISTIC_ESSAY, Tag.EASTERN_PHILOSOPHY, | ||
| Tag.WESTERN_PHILOSOPHY, Tag.WORLD_HISTORY, Tag.KOREAN_HISTORY, | ||
| Tag.HISTORICAL_ESSAY, Tag.ANCIENT_HISTORY, Tag.MODERN_HISTORY | ||
| )); | ||
| c2t.put(Category.ART, List.of( | ||
| Tag.ART, Tag.MUSIC, Tag.MOVIE, Tag.PHOTO, Tag.DANCE, | ||
| Tag.THEATER, Tag.DESIGN, Tag.ARCHITECTURE, Tag.GENERAL_ART | ||
| )); | ||
| categoryToTags = Collections.unmodifiableMap(c2t); | ||
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| // ------------역방향 인덱스------------ | ||
| // Category -> Alias | ||
| EnumMap<Category, Alias> c2a = new EnumMap<>(Category.class); | ||
| aliasToCategory.forEach((alias, category) -> { | ||
| Alias prev = c2a.put(category, alias); | ||
| if (prev != null && prev != alias) { | ||
| throw new IllegalStateException("Category에 두 개 이상의 Alias 매핑: " + category); | ||
| } | ||
| }); | ||
| categoryToAlias = Collections.unmodifiableMap(c2a); | ||
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| // Tag -> Category (각 Tag는 정확히 하나의 Category) | ||
| EnumMap<Tag, Category> t2c = new EnumMap<>(Tag.class); | ||
| categoryToTags.forEach((category, tags) -> { | ||
| for (Tag tag : tags) { | ||
| Category prev = t2c.put(tag, category); | ||
| if (prev != null && prev != category) { | ||
| throw new IllegalStateException( | ||
| "Tag가 둘 이상의 Category에 매핑됨: " + tag + " (" + prev + " vs " + category + ")" | ||
| ); | ||
| } | ||
| } | ||
| }); | ||
| tagToCategory = Collections.unmodifiableMap(t2c); | ||
| } | ||
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| // ----------- Public API ----------- | ||
|
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| /** Alias -> Category */ | ||
| public static Category categoryFrom(Alias alias) { | ||
| return aliasToCategory.get(alias); | ||
| } | ||
|
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| /** Category -> Tags */ | ||
| public static List<Tag> tagsFrom(Category category) { | ||
| return categoryToTags.getOrDefault(category, List.of()); | ||
| } | ||
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| /** Category -> Alias */ | ||
| public static Alias aliasFrom(Category category) { | ||
| return categoryToAlias.get(category); | ||
| } | ||
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| /** Tag -> Category */ | ||
| public static Category categoryFrom(Tag tag) { | ||
| return tagToCategory.get(tag); | ||
| } | ||
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| public static Map<Category, List<Tag>> getCategoryToTags() { | ||
| return Collections.unmodifiableMap(categoryToTags); | ||
| } | ||
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| public static Map<Alias, Category> getAliasToCategory() { | ||
| return Collections.unmodifiableMap(aliasToCategory); | ||
| } | ||
| } | ||
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굿굿 확실히 이렇게 해두면 나중에 매핑 바꿔야 되는 요구사항이 들어올때 유연하게 대응 가능할 것 같네여