feat: support create sharing

app/src/main/kotlin/com/akagiyui/common/utils/StringSupport.kt

@@ -114,6 +114,8 @@ fun String.toSafeFileName(): String {
 val String.Companion.BASE_NUMBER: String
     get() = "0123456789"
 
+val String.Companion.BASE_LOWER_CASE: String
+    get() = "abcdefghijklmnopqrstuvwxyz"
 
 /**
  * 生成随机字符串

app/src/main/kotlin/com/akagiyui/drive/config/SecurityConfig.kt

@@ -37,6 +37,8 @@ class SecurityConfig(
         "/system/setting/register", // 是否开放注册
         "/file/*/download/**", // 下载文件
         "/captcha", // 获取验证码
+
+        "/share/*", // 获取分享信息
     )
     val permitAllPostMapping = emptyArray<String>()
     val anonymousPostMapping = arrayOf(

app/src/main/kotlin/com/akagiyui/drive/controller/SharingController.kt

@@ -0,0 +1,77 @@
+package com.akagiyui.drive.controller
+
+import com.akagiyui.drive.component.CurrentUser
+import com.akagiyui.drive.entity.User
+import com.akagiyui.drive.model.response.sharing.SharingResponse
+import com.akagiyui.drive.model.response.sharing.toResponse
+import com.akagiyui.drive.service.SharingService
+import org.springframework.web.bind.annotation.*
+
+/**
+ * 分享资源 控制器
+ * @author AkagiYui
+ */
+@RestController
+@RequestMapping("/share")
+class SharingController(private val sharingService: SharingService) {
+
+    /**
+     * 获取分享列表
+     *
+     * @param user 用户
+     * @return 分享列表
+     */
+    @GetMapping
+    fun getSharingList(@CurrentUser user: User): List<SharingResponse> {
+        return sharingService.list(user.id).toResponse()
+    }
+
+    /**
+     * 创建分享
+     *
+     * @param id 文件ID
+     * @param user 用户
+     * @return 分享信息
+     */
+    @PostMapping("/{id}")
+    fun createSharing(@PathVariable id: String, @CurrentUser user: User): SharingResponse {
+        return SharingResponse(sharingService.createSharing(user, id))
+    }
+
+    /**
+     * 删除分享
+     *
+     * @param id 分享ID
+     * @param user 用户
+     */
+    @DeleteMapping("/{id}")
+    fun deleteSharing(@PathVariable id: String, @CurrentUser user: User) {
+        sharingService.deleteSharing(user.id, id)
+    }
+
+    /**
+     * 获取分享
+     *
+     * @param id 分享ID
+     * @param user 用户
+     * @return 分享信息
+     */
+    @GetMapping("/{id}")
+    fun getSharing(@PathVariable id: String, @CurrentUser user: User?): SharingResponse? {
+        val sharing = sharingService.getSharing(id) ?: return null
+        return SharingResponse(sharing)
+    }
+
+    /**
+     * 根据用户文件ID获取分享
+     *
+     * @param id 文件ID
+     * @param user 用户
+     * @return 分享信息
+     */
+    @GetMapping("/file/{id}")
+    fun getSharingByUserFileId(@PathVariable id: String, @CurrentUser user: User): SharingResponse? {
+        val sharing = sharingService.getSharingByUserFile(id, user.id) ?: return null
+        return SharingResponse(sharing)
+    }
+}

app/src/main/kotlin/com/akagiyui/drive/entity/Sharing.kt

@@ -0,0 +1,34 @@
+package com.akagiyui.drive.entity
+
+import com.akagiyui.common.entity.BaseEntity
+import jakarta.persistence.*
+import org.hibernate.annotations.DynamicInsert
+
+/**
+ * 分享实体
+ * @author AkagiYui
+ */
+@Entity
+@Table
+@DynamicInsert
+class Sharing : BaseEntity() {
+
+    /**
+     * 分享者
+     */
+    @ManyToOne(fetch = FetchType.EAGER)
+    @JoinColumn(name = "user_id", nullable = false)
+    lateinit var user: User
+
+    /**
+     * 密码
+     */
+    @Column
+    var password: String? = null
+
+    /**
+     * 文件
+     */
+    @OneToOne(fetch = FetchType.EAGER)
+    lateinit var file: UserFile
+}

app/src/main/kotlin/com/akagiyui/drive/model/response/sharing/SharingResponse.kt

@@ -0,0 +1,33 @@
+package com.akagiyui.drive.model.response.sharing
+
+import com.akagiyui.drive.entity.Sharing
+
+/**
+ * 分享信息响应
+ * @author AkagiYui
+ */
+
+data class SharingResponse(
+    val id: String,
+    val filename: String,
+    val createTime: Long,
+    val password: String?,
+) {
+
+    constructor(sharing: Sharing) : this(
+        id = sharing.id,
+        filename = sharing.file.name,
+        createTime = sharing.createTime.time,
+        password = sharing.password
+    )
+
+}
+
+/**
+ * 从分享列表转换
+ *
+ * @return 分享信息响应列表
+ */
+fun List<Sharing>.toResponse(): List<SharingResponse> {
+    return this.map { SharingResponse(it) }
+}

app/src/main/kotlin/com/akagiyui/drive/repository/SharingRepository.kt

@@ -0,0 +1,33 @@
+package com.akagiyui.drive.repository
+
+import com.akagiyui.drive.entity.Sharing
+import org.springframework.data.jpa.repository.JpaRepository
+import org.springframework.data.jpa.repository.JpaSpecificationExecutor
+
+/**
+ * 分享资源 操作接口
+ * @author AkagiYui
+ */
+interface SharingRepository : JpaRepository<Sharing, String>, JpaSpecificationExecutor<Sharing> {
+
+    /**
+     * 根据用户ID查找分享资源
+     * @param userId 用户ID
+     */
+    fun findByUserId(userId: String): List<Sharing>
+
+    /**
+     * 根据用户ID、ID查找分享资源
+     * @param userId 用户ID
+     * @param id 分享ID
+     */
+    fun findByUserIdAndId(userId: String, id: String): Sharing?
+
+    /**
+     * 根据用户ID、文件ID查找分享资源
+     * @param userId 用户ID
+     * @param userFileId 用户文件ID
+     */
+    fun findByUserIdAndFileId(userId: String, userFileId: String): Sharing?
+
+}

app/src/main/kotlin/com/akagiyui/drive/service/SharingService.kt

@@ -0,0 +1,44 @@
+package com.akagiyui.drive.service
+
+import com.akagiyui.drive.entity.Sharing
+import com.akagiyui.drive.entity.User
+
+/**
+ * 分享资源 服务
+ * @author AkagiYui
+ */
+interface SharingService {
+
+    /**
+     * 创建分享
+     * @param user 用户
+     * @param userFileId 用户文件ID
+     */
+    fun createSharing(user: User, userFileId: String): Sharing
+
+    /**
+     * 删除分享
+     * @param userId 用户ID
+     * @param sharingId 分享ID
+     */
+    fun deleteSharing(userId: String, sharingId: String)
+
+    /**
+     * 获取分享列表
+     * @param userId 用户ID
+     */
+    fun list(userId: String): List<Sharing>
+
+    /**
+     * 获取分享
+     * @param sharingId 分享ID
+     */
+    fun getSharing(sharingId: String): Sharing?
+
+    /**
+     * 根据用户文件ID获取分享
+     * @param userFileId 用户文件ID
+     * @param userId 用户ID
+     */
+    fun getSharingByUserFile(userFileId: String, userId: String): Sharing?
+}

app/src/main/kotlin/com/akagiyui/drive/service/impl/SharingServiceImpl.kt

@@ -0,0 +1,48 @@
+package com.akagiyui.drive.service.impl
+
+import com.akagiyui.common.utils.BASE_LOWER_CASE
+import com.akagiyui.common.utils.BASE_NUMBER
+import com.akagiyui.common.utils.random
+import com.akagiyui.drive.entity.Sharing
+import com.akagiyui.drive.entity.User
+import com.akagiyui.drive.repository.SharingRepository
+import com.akagiyui.drive.service.SharingService
+import com.akagiyui.drive.service.UserFileService
+import org.springframework.stereotype.Service
+
+/**
+ * 分享资源 服务实现
+ * @author AkagiYui
+ */
+@Service
+class SharingServiceImpl(
+    private val repository: SharingRepository,
+    private val userFileService: UserFileService,
+) : SharingService {
+    override fun createSharing(user: User, userFileId: String): Sharing {
+        val password = String.random("${String.BASE_LOWER_CASE}${String.BASE_NUMBER}", 4)
+        val sharing = Sharing().apply {
+            this.user = user
+            this.file = userFileService.getUserFileById(user.id, userFileId)
+            this.password = password
+        }
+        return repository.save(sharing)
+    }
+
+    override fun getSharingByUserFile(userFileId: String, userId: String): Sharing? {
+        return repository.findByUserIdAndFileId(userId, userFileId)
+    }
+
+    override fun deleteSharing(userId: String, sharingId: String) {
+        val sharing = repository.findByUserIdAndId(userId, sharingId) ?: throw RuntimeException("分享不存在")
+        repository.delete(sharing)
+    }
+
+    override fun list(userId: String): List<Sharing> {
+        return repository.findByUserId(userId)
+    }
+
+    override fun getSharing(sharingId: String): Sharing? {
+        return repository.findById(sharingId).orElse(null)
+    }
+}