增加相关功能

go/models/backend_ai_chat_message.go

@@ -0,0 +1,17 @@
+package models
+
+import "time"
+
+// BackendAiChatMessage AI聊天消息表
+type BackendAiChatMessage struct {
+	ID         uint64    `orm:"column(id);pk;auto" json:"id"`
+	TenantID   string    `orm:"column(tenant_id);size(64)" json:"tenant_id"`
+	SessionID  uint64    `orm:"column(session_id)" json:"session_id"`
+	Role       string    `orm:"column(role);size(20)" json:"role"` // user / assistant
+	Content    string    `orm:"column(content);type(text)" json:"content"`
+	CreateTime time.Time `orm:"column(create_time);auto_now_add;type(datetime)" json:"create_time"`
+}
+
+func (m *BackendAiChatMessage) TableName() string {
+	return "yz_backend_ai_chat_message"
+}

go/models/backend_ai_chat_preset.go

@@ -0,0 +1,20 @@
+package models
+
+import "time"
+
+// BackendAiChatPreset AI聊天角色预设表（用户级）
+type BackendAiChatPreset struct {
+	ID         uint64     `orm:"column(id);pk;auto" json:"id"`
+	TenantID   string     `orm:"column(tenant_id);size(64)" json:"tenant_id"`
+	UserID     uint64     `orm:"column(user_id);default(0)" json:"user_id"`
+	Name       string     `orm:"column(name);size(100)" json:"name"`
+	Content    string     `orm:"column(content);type(text)" json:"content"`
+	IsDefault  int8       `orm:"column(is_default);default(0)" json:"is_default"` // 0-否 1-是
+	CreateTime time.Time  `orm:"column(create_time);auto_now_add;type(datetime)" json:"create_time"`
+	UpdateTime time.Time  `orm:"column(update_time);auto_now;type(datetime)" json:"update_time"`
+	DeleteTime *time.Time `orm:"column(delete_time);type(datetime);null" json:"delete_time"`
+}
+
+func (m *BackendAiChatPreset) TableName() string {
+	return "yz_backend_ai_chat_preset"
+}

go/models/backend_ai_chat_session.go

@@ -0,0 +1,19 @@
+package models
+
+import "time"
+
+// BackendAiChatSession AI聊天会话表
+type BackendAiChatSession struct {
+	ID         uint64     `orm:"column(id);pk;auto" json:"id"`
+	TenantID   string     `orm:"column(tenant_id);size(64)" json:"tenant_id"`
+	UserID     uint64     `orm:"column(user_id);default(0)" json:"user_id"`
+	ProviderID uint64     `orm:"column(provider_id);default(0)" json:"provider_id"`
+	Title      string     `orm:"column(title);size(200)" json:"title"`
+	CreateTime time.Time  `orm:"column(create_time);auto_now_add;type(datetime)" json:"create_time"`
+	UpdateTime time.Time  `orm:"column(update_time);auto_now;type(datetime)" json:"update_time"`
+	DeleteTime *time.Time `orm:"column(delete_time);type(datetime);null" json:"delete_time"`
+}
+
+func (m *BackendAiChatSession) TableName() string {
+	return "yz_backend_ai_chat_session"
+}

go/models/backend_ai_provider.go

@@ -0,0 +1,26 @@
+package models
+
+import "time"
+
+// BackendAiProvider AI接入配置表（租户隔离）
+type BackendAiProvider struct {
+	ID           uint64     `orm:"column(id);pk;auto" json:"id"`
+	TenantID     string     `orm:"column(tenant_id);size(64)" json:"tenant_id"`
+	UserID       uint64     `orm:"column(user_id);default(0)" json:"user_id"`
+	ProviderType string     `orm:"column(provider_type);size(20)" json:"provider_type"` // openai / anthropic
+	Name         string     `orm:"column(name);size(100)" json:"name"`
+	ApiBase      string     `orm:"column(api_base);size(255)" json:"api_base"`
+	ApiKey       string     `orm:"column(api_key);size(255)" json:"api_key"`
+	Models       string     `orm:"column(models);type(text)" json:"-"`        // JSON数组存储，如 ["gpt-4o","gpt-3.5-turbo"]
+	ModelsList   []string   `orm:"-" json:"models"`                              // 返回给前端的模型列表
+	IsDefault    int8       `orm:"column(is_default);default(0)" json:"is_default"` // 0-否 1-是（租户默认模型，用于智能添加等企业级功能）
+	Status       int8       `orm:"column(status);default(1)" json:"status"`    // 0-禁用 1-启用
+	Remark       string     `orm:"column(remark);size(255)" json:"remark"`
+	CreateTime   time.Time  `orm:"column(create_time);auto_now_add;type(datetime)" json:"create_time"`
+	UpdateTime   time.Time  `orm:"column(update_time);auto_now;type(datetime)" json:"update_time"`
+	DeleteTime   *time.Time `orm:"column(delete_time);type(datetime);null" json:"delete_time"`
+}
+
+func (m *BackendAiProvider) TableName() string {
+	return "yz_backend_ai_provider"
+}

go/models/init.go

@@ -77,6 +77,10 @@ func Init(_ string) {
 		new(ErpAccountSet),
 		new(ErpNormalSetting),
 		new(ErpCompanyContact),
+		new(BackendAiProvider),
+		new(BackendAiChatSession),
+		new(BackendAiChatMessage),
+		new(BackendAiChatPreset),
 
 		new(CmsArticleCategory),
 		new(CmsArticle),