lanyuanxiaoyao
f18904af1e
- 新增 domain 层：model、provider、route、stats 实体 - 新增 service 层：models、providers、routing、stats 业务逻辑 - 新增 repository 层：models、providers、stats 数据访问 - 新增 pkg 工具包：errors、logger、validator - 新增中间件：CORS、logging、recovery、request ID - 新增数据库迁移：初始 schema 和索引 - 新增单元测试和集成测试 - 新增规范文档：config-management、database-migration、error-handling、layered-architecture、middleware-system、request-validation、structured-logging、test-coverage - 移除 config 子包和 model_router（已迁移至分层架构）
75 lines
2.1 KiB
Go
75 lines
2.1 KiB
Go
package errors
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import (
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"fmt"
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"net/http"
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)
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// AppError 结构化应用错误
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type AppError struct {
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Code string `json:"code"`
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Message string `json:"message"`
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HTTPStatus int `json:"-"`
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Cause error `json:"-"`
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Context map[string]interface{} `json:"-"`
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}
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// Error implements error interface
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func (e *AppError) Error() string {
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if e.Cause != nil {
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return fmt.Sprintf("%s: %s (%v)", e.Code, e.Message, e.Cause)
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}
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return fmt.Sprintf("%s: %s", e.Code, e.Message)
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}
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// Unwrap returns the underlying error
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func (e *AppError) Unwrap() error {
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return e.Cause
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}
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// NewAppError creates a new AppError
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func NewAppError(code, message string, httpStatus int) *AppError {
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return &AppError{
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Code: code,
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Message: message,
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HTTPStatus: httpStatus,
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}
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}
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// Predefined errors
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var (
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ErrModelNotFound = NewAppError("model_not_found", "模型未找到", http.StatusNotFound)
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ErrModelDisabled = NewAppError("model_disabled", "模型已禁用", http.StatusNotFound)
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ErrProviderNotFound = NewAppError("provider_not_found", "供应商未找到", http.StatusNotFound)
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ErrProviderDisabled = NewAppError("provider_disabled", "供应商已禁用", http.StatusNotFound)
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ErrInvalidRequest = NewAppError("invalid_request", "无效的请求", http.StatusBadRequest)
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ErrInternal = NewAppError("internal_error", "内部错误", http.StatusInternalServerError)
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ErrDatabaseNotInit = NewAppError("database_not_initialized", "数据库未初始化", http.StatusInternalServerError)
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ErrConflict = NewAppError("conflict", "资源已存在", http.StatusConflict)
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)
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// AsAppError 尝试将 error 转换为 *AppError
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func AsAppError(err error) (*AppError, bool) {
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if err == nil {
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return nil, false
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}
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var appErr *AppError
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if ok := is(err, &appErr); ok {
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return appErr, true
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}
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return nil, false
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}
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func is(err error, target interface{}) bool {
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// 简单的类型断言
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if e, ok := err.(*AppError); ok {
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// 直接赋值
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switch t := target.(type) {
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case **AppError:
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*t = e
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return true
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}
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}
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return false
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}
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