⚡️ feat: refactor sorting parameters in post listing API and components

- Renamed `orderedBy` to `orderBy` and `reverse` to `desc` in ListPostsParams interface and related functions.
- Updated all usages of the sorting parameters in the post listing logic to reflect the new naming convention.

feat: add user-related API functions

- Implemented `getLoginUser` and `getUserById` functions in the user API to fetch user details.
- Enhanced user model to include `language` property.

feat: integrate next-intl for internationalization

- Added `next-intl` plugin to Next.js configuration for improved localization support.
- Removed previous i18n implementation and replaced it with a new structure using JSON files for translations.
- Created locale files for English, Japanese, and Chinese with basic translations.
- Implemented a request configuration to handle user locales and messages dynamically.

fix: clean up unused imports and code

- Removed unused i18n utility functions and language settings from device context.
- Cleaned up commented-out code in blog card component and sidebar.

chore: update dependencies

- Added `deepmerge` for merging locale messages.
- Updated package.json and pnpm-lock.yaml to reflect new dependencies.

internal/model/post.go

@@ -17,7 +17,7 @@ type Post struct {
 	CategoryID   uint     `gorm:"index"`                                                                // 帖子分类ID
 	Category     Category `gorm:"foreignKey:CategoryID;references:ID"`                                  // 关联的分类
 	Labels       []Label  `gorm:"many2many:post_labels;constraint:OnUpdate:CASCADE,OnDelete:SET NULL;"` // 关联的标签
-	IsPrivate    bool     `gorm:"default:false"`                                                        // 是否为私密帖子
+	IsPrivate    bool     `gorm:"default:false"`
 	LikeCount    uint64
 	CommentCount uint64
 	ViewCount    uint64
@@ -61,3 +61,14 @@ func (p *Post) ToDto() dto.PostDto {
 		UpdatedAt:    p.UpdatedAt,
 	}
 }
+
+// ToDtoWithShortContent 返回一个简化的 DTO，内容可以根据需要截断
+func (p *Post) ToDtoWithShortContent(contentLength int) dto.PostDto {
+	dtoPost := p.ToDto()
+	if len(p.Content) > contentLength {
+		dtoPost.Content = p.Content[:contentLength] + "..."
+	} else {
+		dtoPost.Content = p.Content
+	}
+	return dtoPost
+}