d91784d65f
✨ 为原有流式聊天链路补充“聊天结束后异步调用 LLM 生成对话标题并落库”的机制，相关测试已通过 📄 新增“获取对话元信息”接口，便于前端统一获取对话的各类信息，包括上述异步生成的标题
70 lines
3.5 KiB
Go
70 lines
3.5 KiB
Go
package model
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import "time"
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type UserSendMessageRequest struct {
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ConversationID string `json:"conversation_id,omitempty"`
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Message string `json:"message" binding:"required"`
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Model string `json:"model,omitempty"`
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Thinking bool `json:"thinking,omitempty"`
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}
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// GetConversationMetaResponse 是会话元信息查询接口的返回结构。
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// 说明：
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// 1) title 可能为空字符串（表示标题尚未生成）；
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// 2) has_title 便于前端快速判断是否需要展示默认占位文案；
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// 3) 保留 message_count/last_message_at，方便前端后续扩展会话列表排序或角标。
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type GetConversationMetaResponse struct {
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ConversationID string `json:"conversation_id"`
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Title string `json:"title"`
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HasTitle bool `json:"has_title"`
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MessageCount int `json:"message_count"`
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LastMessageAt *time.Time `json:"last_message_at,omitempty"`
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Status string `json:"status"`
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}
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type SSEResponse struct {
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Event string `json:"event"`
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ID int `json:"id,omitempty"`
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Retry int64 `json:"retry,omitempty"`
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Data SSEMessageData `json:"data"`
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}
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type SSEMessageData struct {
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Step int `json:"step,omitempty"`
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Message string `json:"message,omitempty"`
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}
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type AgentChat struct {
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ID int64 `gorm:"column:id;primaryKey;autoIncrement;comment:自增ID"`
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ChatID string `gorm:"column:chat_id;type:varchar(36);not null;uniqueIndex:uk_chat_id;comment:会话UUID"`
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UserID int `gorm:"column:user_id;not null;index:idx_user_last,priority:1;index:idx_user_status,priority:1;comment:所属用户ID"`
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Title *string `gorm:"column:title;type:varchar(255);comment:会话标题"`
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SystemPrompt *string `gorm:"column:system_prompt;type:text;comment:系统提示词"`
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Model *string `gorm:"column:model;type:varchar(100);comment:模型标识"`
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MessageCount int `gorm:"column:message_count;not null;default:0;comment:消息总数"`
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TokensTotal int `gorm:"column:tokens_total;not null;default:0;comment:累计Token"`
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LastMessageAt *time.Time `gorm:"column:last_message_at;comment:最后消息时间"`
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Status string `gorm:"column:status;type:varchar(32);not null;default:active;index:idx_user_status,priority:2;comment:会话状态"`
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CreatedAt *time.Time `gorm:"column:created_at;autoCreateTime"`
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UpdatedAt *time.Time `gorm:"column:updated_at;autoUpdateTime"`
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DeletedAt *time.Time `gorm:"column:deleted_at;comment:软删除时间"`
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}
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func (AgentChat) TableName() string { return "agent_chats" }
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type ChatHistory struct {
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ID int `gorm:"column:id;primaryKey;autoIncrement"`
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ChatID string `gorm:"column:chat_id;type:varchar(36);not null;index:idx_user_chat,priority:2;index:idx_chat_id;comment:会话UUID"`
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UserID int `gorm:"column:user_id;not null;index:idx_user_chat,priority:1"`
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MessageContent *string `gorm:"column:message_content;type:text;comment:消息内容"`
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Role *string `gorm:"column:role;type:varchar(32);comment:消息角色"`
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TokensConsumed int `gorm:"column:tokens_consumed;not null;default:0;comment:本轮消耗Token"`
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CreatedAt *time.Time `gorm:"column:created_at;autoCreateTime"`
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// 只保留从聊天记录到会话的单向关联，避免迁移时出现循环依赖。
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Chat AgentChat `gorm:"foreignKey:ChatID;references:ChatID;constraint:OnUpdate:CASCADE,OnDelete:CASCADE"`
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}
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func (ChatHistory) TableName() string { return "chat_histories" }
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