feat(oa): 添加 AI 对话管理功能

- 新增 AI配置、对话历史、对话消息等相关的实体类、Mapper、Service 和 Controller
- 实现 AI 对话管理的基础功能，包括创建对话、发送消息、结束对话等- 集成 DeepSeek AI 服务，实现与 AI 模型的交互
- 添加 token消耗和费用计算相关逻辑

ruoyi-oa/src/main/java/com/ruoyi/oa/domain/SysOaAiConfig.java

@@ -0,0 +1,87 @@
+package com.ruoyi.oa.domain;
+
+import com.baomidou.mybatisplus.annotation.*;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import java.io.Serializable;
+import java.util.Date;
+import java.math.BigDecimal;
+
+import com.fasterxml.jackson.annotation.JsonFormat;
+import com.ruoyi.common.core.domain.BaseEntity;
+import org.springframework.format.annotation.DateTimeFormat;
+
+/**
+ * AI配置对象 sys_oa_ai_config
+ *
+ * @author ruoyi
+ * @date 2024-12-19
+ */
+@Data
+@EqualsAndHashCode(callSuper = true)
+@TableName("sys_oa_ai_config")
+public class SysOaAiConfig extends BaseEntity {
+
+    private static final long serialVersionUID = 1L;
+
+    /**
+     * 配置ID
+     */
+    @TableId(value = "config_id")
+    private Long configId;
+
+    /**
+     * 配置名称
+     */
+    private String configName;
+
+    /**
+     * API密钥
+     */
+    private String apiKey;
+
+    /**
+     * 基础URL
+     */
+    private String baseUrl;
+
+    /**
+     * 模型名称
+     */
+    private String modelName;
+
+    /**
+     * 最大重试次数
+     */
+    private Integer maxRetries;
+
+    /**
+     * 温度参数
+     */
+    private BigDecimal temperature;
+
+    /**
+     * 最大token数
+     */
+    private Integer maxTokens;
+
+    /**
+     * 状态(0:禁用 1:启用)
+     */
+    private Integer status;
+
+    /**
+     * 创建时间
+     */
+    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss", timezone = "GMT+8")
+    @DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")
+    private Date createTime;
+
+    /**
+     * 更新时间
+     */
+    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss", timezone = "GMT+8")
+    @DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")
+    private Date updateTime;
+
+} 

ruoyi-oa/src/main/java/com/ruoyi/oa/domain/SysOaAiConversation.java

@@ -0,0 +1,77 @@
+package com.ruoyi.oa.domain;
+
+import com.baomidou.mybatisplus.annotation.*;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import java.io.Serializable;
+import java.util.Date;
+import java.math.BigDecimal;
+
+import com.fasterxml.jackson.annotation.JsonFormat;
+import com.ruoyi.common.core.domain.BaseEntity;
+import org.springframework.format.annotation.DateTimeFormat;
+
+/**
+ * AI对话历史对象 sys_oa_ai_conversation
+ *
+ * @author ruoyi
+ * @date 2024-12-19
+ */
+@Data
+@EqualsAndHashCode(callSuper = true)
+@TableName("sys_oa_ai_conversation")
+public class SysOaAiConversation extends BaseEntity {
+
+    private static final long serialVersionUID = 1L;
+
+    /**
+     * 对话ID
+     */
+    @TableId(value = "conversation_id")
+    private Long conversationId;
+
+    /**
+     * 对话标题
+     */
+    private String conversationTitle;
+
+    /**
+     * 用户ID
+     */
+    private Long userId;
+
+    /**
+     * AI模型名称
+     */
+    private String modelName;
+
+    /**
+     * 对话状态(0:已结束 1:进行中)
+     */
+    private Integer status;
+
+    /**
+     * 总消耗token数
+     */
+    private Integer totalTokens;
+
+    /**
+     * 总费用
+     */
+    private BigDecimal totalCost;
+
+    /**
+     * 创建时间
+     */
+    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss", timezone = "GMT+8")
+    @DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")
+    private Date createTime;
+
+    /**
+     * 更新时间
+     */
+    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss", timezone = "GMT+8")
+    @DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")
+    private Date updateTime;
+
+} 

ruoyi-oa/src/main/java/com/ruoyi/oa/domain/SysOaAiMessage.java

@@ -0,0 +1,70 @@
+package com.ruoyi.oa.domain;
+
+import com.baomidou.mybatisplus.annotation.*;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import java.io.Serializable;
+import java.util.Date;
+import java.math.BigDecimal;
+
+import com.fasterxml.jackson.annotation.JsonFormat;
+import com.ruoyi.common.core.domain.BaseEntity;
+import org.springframework.format.annotation.DateTimeFormat;
+
+/**
+ * AI对话详情对象 sys_oa_ai_message
+ *
+ * @author ruoyi
+ * @date 2024-12-19
+ */
+@Data
+@EqualsAndHashCode(callSuper = true)
+@TableName("sys_oa_ai_message")
+public class SysOaAiMessage extends BaseEntity {
+
+    private static final long serialVersionUID = 1L;
+
+    /**
+     * 消息ID
+     */
+    @TableId(value = "message_id")
+    private Long messageId;
+
+    /**
+     * 对话ID
+     */
+    private Long conversationId;
+
+    /**
+     * 角色(user/assistant)
+     */
+    private String role;
+
+    /**
+     * 消息内容
+     */
+    private String content;
+
+    /**
+     * 消耗token数
+     */
+    private Integer tokens;
+
+    /**
+     * 费用
+     */
+    private BigDecimal cost;
+
+    /**
+     * 消息顺序
+     */
+    private Integer messageOrder;
+
+    /**
+     * 创建时间
+     */
+    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss", timezone = "GMT+8")
+    @DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")
+    private Date createTime;
+
+} 

ruoyi-oa/src/main/java/com/ruoyi/oa/domain/bo/SysOaAiConfigBo.java

@@ -0,0 +1,72 @@
+package com.ruoyi.oa.domain.bo;
+
+import com.ruoyi.common.core.validate.AddGroup;
+import com.ruoyi.common.core.validate.EditGroup;
+import com.ruoyi.common.core.domain.BaseEntity;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import javax.validation.constraints.*;
+
+import java.util.Date;
+import java.math.BigDecimal;
+
+/**
+ * AI配置业务对象 sys_oa_ai_config
+ *
+ * @author ruoyi
+ * @date 2024-12-19
+ */
+@Data
+@EqualsAndHashCode(callSuper = true)
+public class SysOaAiConfigBo extends BaseEntity {
+
+    /**
+     * 配置ID
+     */
+    @NotNull(message = "配置ID不能为空", groups = { EditGroup.class })
+    private Long configId;
+
+    /**
+     * 配置名称
+     */
+    @NotBlank(message = "配置名称不能为空", groups = { AddGroup.class, EditGroup.class })
+    private String configName;
+
+    /**
+     * API密钥
+     */
+    @NotBlank(message = "API密钥不能为空", groups = { AddGroup.class, EditGroup.class })
+    private String apiKey;
+
+    /**
+     * 基础URL
+     */
+    @NotBlank(message = "基础URL不能为空", groups = { AddGroup.class, EditGroup.class })
+    private String baseUrl;
+
+    /**
+     * 模型名称
+     */
+    private String modelName;
+
+    /**
+     * 最大重试次数
+     */
+    private Integer maxRetries;
+
+    /**
+     * 温度参数
+     */
+    private BigDecimal temperature;
+
+    /**
+     * 最大token数
+     */
+    private Integer maxTokens;
+
+    /**
+     * 状态(0:禁用 1:启用)
+     */
+    private Integer status;
+
+} 

ruoyi-oa/src/main/java/com/ruoyi/oa/domain/bo/SysOaAiConversationBo.java

@@ -0,0 +1,61 @@
+package com.ruoyi.oa.domain.bo;
+
+import com.ruoyi.common.core.validate.AddGroup;
+import com.ruoyi.common.core.validate.EditGroup;
+import com.ruoyi.common.core.domain.BaseEntity;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import javax.validation.constraints.*;
+
+import java.util.Date;
+import java.math.BigDecimal;
+
+/**
+ * AI对话历史业务对象 sys_oa_ai_conversation
+ *
+ * @author ruoyi
+ * @date 2024-12-19
+ */
+@Data
+@EqualsAndHashCode(callSuper = true)
+public class SysOaAiConversationBo extends BaseEntity {
+
+    /**
+     * 对话ID
+     */
+    @NotNull(message = "对话ID不能为空", groups = { EditGroup.class })
+    private Long conversationId;
+
+    /**
+     * 对话标题
+     */
+    @NotBlank(message = "对话标题不能为空", groups = { AddGroup.class, EditGroup.class })
+    private String conversationTitle;
+
+    /**
+     * 用户ID
+     */
+    @NotNull(message = "用户ID不能为空", groups = { AddGroup.class, EditGroup.class })
+    private Long userId;
+
+    /**
+     * AI模型名称
+     */
+    private String modelName;
+
+    /**
+     * 对话状态(0:已结束 1:进行中)
+     */
+    private Integer status;
+
+    /**
+     * 总消耗token数
+     */
+    private Integer totalTokens;
+
+    /**
+     * 总费用
+     */
+    private BigDecimal totalCost;
+
+} 

ruoyi-oa/src/main/java/com/ruoyi/oa/domain/bo/SysOaAiMessageBo.java

@@ -0,0 +1,62 @@
+package com.ruoyi.oa.domain.bo;
+
+import com.ruoyi.common.core.validate.AddGroup;
+import com.ruoyi.common.core.validate.EditGroup;
+import com.ruoyi.common.core.domain.BaseEntity;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import javax.validation.constraints.*;
+
+import java.util.Date;
+import java.math.BigDecimal;
+
+/**
+ * AI对话详情业务对象 sys_oa_ai_message
+ *
+ * @author ruoyi
+ * @date 2024-12-19
+ */
+@Data
+@EqualsAndHashCode(callSuper = true)
+public class SysOaAiMessageBo extends BaseEntity {
+
+    /**
+     * 消息ID
+     */
+    @NotNull(message = "消息ID不能为空", groups = { EditGroup.class })
+    private Long messageId;
+
+    /**
+     * 对话ID
+     */
+    @NotNull(message = "对话ID不能为空", groups = { AddGroup.class, EditGroup.class })
+    private Long conversationId;
+
+    /**
+     * 角色(user/assistant)
+     */
+    @NotBlank(message = "角色不能为空", groups = { AddGroup.class, EditGroup.class })
+    private String role;
+
+    /**
+     * 消息内容
+     */
+    @NotBlank(message = "消息内容不能为空", groups = { AddGroup.class, EditGroup.class })
+    private String content;
+
+    /**
+     * 消耗token数
+     */
+    private Integer tokens;
+
+    /**
+     * 费用
+     */
+    private BigDecimal cost;
+
+    /**
+     * 消息顺序
+     */
+    private Integer messageOrder;
+
+} 

ruoyi-oa/src/main/java/com/ruoyi/oa/domain/vo/SysOaAiConfigVo.java

@@ -0,0 +1,110 @@
+package com.ruoyi.oa.domain.vo;
+
+import com.alibaba.excel.annotation.ExcelIgnoreUnannotated;
+import com.alibaba.excel.annotation.ExcelProperty;
+import com.ruoyi.common.annotation.ExcelDictFormat;
+import com.ruoyi.common.convert.ExcelDictConvert;
+import lombok.Data;
+
+import java.io.Serializable;
+import java.util.Date;
+import java.math.BigDecimal;
+
+/**
+ * AI配置视图对象 sys_oa_ai_config
+ *
+ * @author ruoyi
+ * @date 2024-12-19
+ */
+@Data
+@ExcelIgnoreUnannotated
+public class SysOaAiConfigVo implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    /**
+     * 配置ID
+     */
+    @ExcelProperty(value = "配置ID")
+    private Long configId;
+
+    /**
+     * 配置名称
+     */
+    @ExcelProperty(value = "配置名称")
+    private String configName;
+
+    /**
+     * API密钥
+     */
+    @ExcelProperty(value = "API密钥")
+    private String apiKey;
+
+    /**
+     * 基础URL
+     */
+    @ExcelProperty(value = "基础URL")
+    private String baseUrl;
+
+    /**
+     * 模型名称
+     */
+    @ExcelProperty(value = "模型名称")
+    private String modelName;
+
+    /**
+     * 最大重试次数
+     */
+    @ExcelProperty(value = "最大重试次数")
+    private Integer maxRetries;
+
+    /**
+     * 温度参数
+     */
+    @ExcelProperty(value = "温度参数")
+    private BigDecimal temperature;
+
+    /**
+     * 最大token数
+     */
+    @ExcelProperty(value = "最大token数")
+    private Integer maxTokens;
+
+    /**
+     * 状态(0:禁用 1:启用)
+     */
+    @ExcelProperty(value = "状态", converter = ExcelDictConvert.class)
+    @ExcelDictFormat(dictType = "ai_config_status")
+    private Integer status;
+
+    /**
+     * 创建时间
+     */
+    @ExcelProperty(value = "创建时间")
+    private Date createTime;
+
+    /**
+     * 更新时间
+     */
+    @ExcelProperty(value = "更新时间")
+    private Date updateTime;
+
+    /**
+     * 创建者
+     */
+    @ExcelProperty(value = "创建者")
+    private String createBy;
+
+    /**
+     * 更新者
+     */
+    @ExcelProperty(value = "更新者")
+    private String updateBy;
+
+    /**
+     * 备注
+     */
+    @ExcelProperty(value = "备注")
+    private String remark;
+
+} 

ruoyi-oa/src/main/java/com/ruoyi/oa/domain/vo/SysOaAiConversationVo.java

@@ -0,0 +1,98 @@
+package com.ruoyi.oa.domain.vo;
+
+import com.alibaba.excel.annotation.ExcelIgnoreUnannotated;
+import com.alibaba.excel.annotation.ExcelProperty;
+import com.ruoyi.common.annotation.ExcelDictFormat;
+import com.ruoyi.common.convert.ExcelDictConvert;
+import lombok.Data;
+
+import java.io.Serializable;
+import java.util.Date;
+import java.math.BigDecimal;
+
+/**
+ * AI对话历史视图对象 sys_oa_ai_conversation
+ *
+ * @author ruoyi
+ * @date 2024-12-19
+ */
+@Data
+@ExcelIgnoreUnannotated
+public class SysOaAiConversationVo implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    /**
+     * 对话ID
+     */
+    @ExcelProperty(value = "对话ID")
+    private Long conversationId;
+
+    /**
+     * 对话标题
+     */
+    @ExcelProperty(value = "对话标题")
+    private String conversationTitle;
+
+    /**
+     * 用户ID
+     */
+    @ExcelProperty(value = "用户ID")
+    private Long userId;
+
+    /**
+     * AI模型名称
+     */
+    @ExcelProperty(value = "AI模型名称")
+    private String modelName;
+
+    /**
+     * 对话状态(0:已结束 1:进行中)
+     */
+    @ExcelProperty(value = "对话状态", converter = ExcelDictConvert.class)
+    @ExcelDictFormat(dictType = "ai_conversation_status")
+    private Integer status;
+
+    /**
+     * 总消耗token数
+     */
+    @ExcelProperty(value = "总消耗token数")
+    private Integer totalTokens;
+
+    /**
+     * 总费用
+     */
+    @ExcelProperty(value = "总费用")
+    private BigDecimal totalCost;
+
+    /**
+     * 创建时间
+     */
+    @ExcelProperty(value = "创建时间")
+    private Date createTime;
+
+    /**
+     * 更新时间
+     */
+    @ExcelProperty(value = "更新时间")
+    private Date updateTime;
+
+    /**
+     * 创建者
+     */
+    @ExcelProperty(value = "创建者")
+    private String createBy;
+
+    /**
+     * 更新者
+     */
+    @ExcelProperty(value = "更新者")
+    private String updateBy;
+
+    /**
+     * 备注
+     */
+    @ExcelProperty(value = "备注")
+    private String remark;
+
+} 

ruoyi-oa/src/main/java/com/ruoyi/oa/domain/vo/SysOaAiMessageVo.java

@@ -0,0 +1,80 @@
+package com.ruoyi.oa.domain.vo;
+
+import com.alibaba.excel.annotation.ExcelIgnoreUnannotated;
+import com.alibaba.excel.annotation.ExcelProperty;
+import com.ruoyi.common.annotation.ExcelDictFormat;
+import com.ruoyi.common.convert.ExcelDictConvert;
+import lombok.Data;
+
+import java.io.Serializable;
+import java.util.Date;
+import java.math.BigDecimal;
+
+/**
+ * AI对话详情视图对象 sys_oa_ai_message
+ *
+ * @author ruoyi
+ * @date 2024-12-19
+ */
+@Data
+@ExcelIgnoreUnannotated
+public class SysOaAiMessageVo implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    /**
+     * 消息ID
+     */
+    @ExcelProperty(value = "消息ID")
+    private Long messageId;
+
+    /**
+     * 对话ID
+     */
+    @ExcelProperty(value = "对话ID")
+    private Long conversationId;
+
+    /**
+     * 角色(user/assistant)
+     */
+    @ExcelProperty(value = "角色", converter = ExcelDictConvert.class)
+    @ExcelDictFormat(dictType = "ai_message_role")
+    private String role;
+
+    /**
+     * 消息内容
+     */
+    @ExcelProperty(value = "消息内容")
+    private String content;
+
+    /**
+     * 消耗token数
+     */
+    @ExcelProperty(value = "消耗token数")
+    private Integer tokens;
+
+    /**
+     * 费用
+     */
+    @ExcelProperty(value = "费用")
+    private BigDecimal cost;
+
+    /**
+     * 消息顺序
+     */
+    @ExcelProperty(value = "消息顺序")
+    private Integer messageOrder;
+
+    /**
+     * 创建时间
+     */
+    @ExcelProperty(value = "创建时间")
+    private Date createTime;
+
+    /**
+     * 创建者
+     */
+    @ExcelProperty(value = "创建者")
+    private String createBy;
+
+}