feat(language): add Language entity and update manga chapter language handling

src/main/java/com/magamochi/mangamochi/model/dto/ContentProviderMangaChapterResponseDTO.java

@@ -3,4 +3,7 @@ package com.magamochi.mangamochi.model.dto;
 import jakarta.validation.constraints.NotBlank;
 
 public record ContentProviderMangaChapterResponseDTO(
-    @NotBlank String chapterTitle, @NotBlank String chapterUrl, String chapter, String language) {}
+    @NotBlank String chapterTitle,
+    @NotBlank String chapterUrl,
+    String chapter,
+    String languageCode) {}

src/main/java/com/magamochi/mangamochi/model/dto/LanguageDTO.java

@@ -0,0 +1,17 @@
+package com.magamochi.mangamochi.model.dto;
+
+import static java.util.Objects.isNull;
+
+import com.magamochi.mangamochi.model.entity.Language;
+import jakarta.validation.constraints.NotBlank;
+import jakarta.validation.constraints.NotNull;
+
+public record LanguageDTO(@NotNull Long id, @NotBlank String code, @NotBlank String name) {
+  public static LanguageDTO from(Language language) {
+    if (isNull(language)) {
+      return null;
+    }
+
+    return new LanguageDTO(language.getId(), language.getCode(), language.getName());
+  }
+}

src/main/java/com/magamochi/mangamochi/model/dto/MangaChapterDTO.java

@@ -8,12 +8,14 @@ public record MangaChapterDTO(
     @NotNull Long id,
     @NotBlank String title,
     @NotNull Boolean downloaded,
-    @NotNull Boolean isRead) {
+    @NotNull Boolean isRead,
+    LanguageDTO language) {
   public static MangaChapterDTO from(MangaChapter mangaChapter) {
     return new MangaChapterDTO(
         mangaChapter.getId(),
         mangaChapter.getTitle(),
         mangaChapter.getDownloaded(),
-        mangaChapter.getRead());
+        mangaChapter.getRead(),
+        LanguageDTO.from(mangaChapter.getLanguage()));
   }
 }

src/main/java/com/magamochi/mangamochi/model/entity/Language.java

@@ -0,0 +1,21 @@
+package com.magamochi.mangamochi.model.entity;
+
+import jakarta.persistence.*;
+import lombok.*;
+
+@Entity
+@Table(name = "languages")
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+@Getter
+@Setter
+public class Language {
+  @Id
+  @GeneratedValue(strategy = GenerationType.IDENTITY)
+  private Long id;
+
+  private String code;
+
+  private String name;
+}

src/main/java/com/magamochi/mangamochi/model/entity/MangaChapter.java

@@ -38,7 +38,9 @@ public class MangaChapter {
   @OneToMany(mappedBy = "mangaChapter")
   private List<MangaChapterImage> mangaChapterImages;
 
-  private String language;
-
   private Integer chapterNumber;
+
+  @ManyToOne
+  @JoinColumn(name = "language_id")
+  private Language language;
 }

src/main/java/com/magamochi/mangamochi/model/repository/LanguageRepository.java

@@ -0,0 +1,9 @@
+package com.magamochi.mangamochi.model.repository;
+
+import com.magamochi.mangamochi.model.entity.Language;
+import java.util.Optional;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface LanguageRepository extends JpaRepository<Language, Long> {
+  Optional<Language> findByCodeIgnoreCase(String code);
+}

src/main/java/com/magamochi/mangamochi/service/LanguageService.java

@@ -0,0 +1,19 @@
+package com.magamochi.mangamochi.service;
+
+import com.magamochi.mangamochi.exception.NotFoundException;
+import com.magamochi.mangamochi.model.entity.Language;
+import com.magamochi.mangamochi.model.repository.LanguageRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+@Service
+@RequiredArgsConstructor
+public class LanguageService {
+  public final LanguageRepository languageRepository;
+
+  public Language getOrThrow(String code) {
+    return languageRepository
+        .findByCodeIgnoreCase(code)
+        .orElseThrow(() -> new NotFoundException("Language with code " + code + " not found"));
+  }
+}

src/main/java/com/magamochi/mangamochi/service/MangaImportService.java

@@ -32,6 +32,7 @@ public class MangaImportService {
   private final ProviderService providerService;
   private final MangaCreationService mangaCreationService;
   private final ImageService imageService;
+  private final LanguageService languageService;
 
   private final GenreRepository genreRepository;
   private final MangaGenreRepository mangaGenreRepository;
@@ -76,7 +77,7 @@ public class MangaImportService {
                           removeFileExtension(file.getOriginalFilename()),
                           "manual_" + file.getOriginalFilename(),
                           file.getOriginalFilename(),
-                          "pt-br"));
+                          "en-US"));
 
               List<MangaChapterImage> allChapterImages = new ArrayList<>();
               try (InputStream is = file.getInputStream();
@@ -237,7 +238,9 @@ public class MangaImportService {
     mangaChapter.setMangaProvider(mangaProvider);
     mangaChapter.setTitle(chapter.chapterTitle());
     mangaChapter.setUrl(chapter.chapterUrl());
-    mangaChapter.setLanguage(chapter.language());
+
+    var language = languageService.getOrThrow(chapter.languageCode());
+    mangaChapter.setLanguage(language);
 
     if (nonNull(chapter.chapter())) {
       try {

src/main/java/com/magamochi/mangamochi/service/providers/impl/BatoProvider.java

@@ -33,6 +33,7 @@ public class BatoProvider implements ContentProvider, ManualImportContentProvide
       // Direct selector for chapter links
       var chapterLinks = document.select("div.scrollable-panel a[href*=/title/]");
 
+      // TODO: fix chapter and language code
       return chapterLinks.stream()
           .map(
               chapterLink ->

src/main/java/com/magamochi/mangamochi/service/providers/impl/MangaLivreBlogProvider.java

@@ -51,7 +51,7 @@ public class MangaLivreBlogProvider implements ContentProvider, PagedContentProv
                     linkElement.getElementsByClass("chapter-number").getFirst();
 
                 return new ContentProviderMangaChapterResponseDTO(
-                    chapterNumberElement.text(), linkElement.attr("href"), null, null);
+                    chapterNumberElement.text(), linkElement.attr("href"), null, "pt-BR");
               })
           .toList();
     } catch (IOException | NoSuchElementException e) {

src/main/java/com/magamochi/mangamochi/service/providers/impl/MangaLivreProvider.java

@@ -50,7 +50,7 @@ public class MangaLivreProvider implements ContentProvider, PagedContentProvider
                 var title = linkElement.text();
 
                 return new ContentProviderMangaChapterResponseDTO(
-                    title.trim(), url.trim(), null, null);
+                    title.trim(), url.trim(), null, "pt-BR");
               })
           .toList();
     } catch (NoSuchElementException e) {

src/main/java/com/magamochi/mangamochi/service/providers/impl/PinkRosaScanProvider.java

@@ -58,7 +58,10 @@ public class PinkRosaScanProvider implements ContentProvider, PagedContentProvid
                         .getElementsByClass("text-sm truncate")
                         .getFirst();
                 return new ContentProviderMangaChapterResponseDTO(
-                    chapterTitleElement.text().trim(), chapterItemElement.attr("href"), null, null);
+                    chapterTitleElement.text().trim(),
+                    chapterItemElement.attr("href"),
+                    null,
+                    "pt-BR");
               })
           .toList();
     } catch (NoSuchElementException e) {

src/main/resources/db/migration/V0019__CHAPTER_LANGUAGE.sql

@@ -0,0 +1,40 @@
+CREATE TABLE IF NOT EXISTS languages
+(
+    id   SERIAL PRIMARY KEY,
+    code VARCHAR(12)  NOT NULL UNIQUE,
+    name VARCHAR(100) NOT NULL
+);
+
+INSERT INTO languages (code, name)
+VALUES ('en-US', 'English'),
+       ('es', 'Spanish'),
+       ('ja-JP', 'Japanese'),
+       ('pt-BR', 'Portuguese (Brazil)')
+ON CONFLICT DO NOTHING;
+
+ALTER TABLE manga_chapters
+    ADD COLUMN IF NOT EXISTS language_id BIGINT REFERENCES languages (id);
+
+UPDATE manga_chapters
+SET language = NULL;
+
+UPDATE manga_chapters mc
+SET language_id = (SELECT id FROM languages WHERE code = 'pt-BR')
+FROM manga_provider mp
+         JOIN providers p ON mp.provider_id = p.id
+WHERE mc.manga_provider_id = mp.id
+  AND mc.language IS NULL
+  AND p.name ILIKE ANY
+      (ARRAY ['Manga Livre Blog', 'Pink Rosa Scan', 'Manga Livre.to', 'Manga Livre', 'MangaDex', 'Bato', 'Taimu']);
+
+UPDATE manga_chapters mc
+SET language_id = (SELECT id FROM languages WHERE code = 'en-US')
+FROM manga_provider mp
+         JOIN providers p ON mp.provider_id = p.id
+WHERE mc.manga_provider_id = mp.id
+  AND mc.language IS NULL
+  AND p.name ILIKE ANY
+      (ARRAY ['Manual Import']);
+
+ALTER TABLE manga_chapters
+    DROP COLUMN IF EXISTS language;