lanyuanxiaoyao
4c6b49099d
- 新增 backend/.golangci.yml 配置 12 个 linter（forbidigo、errorlint、errcheck、staticcheck、revive、gocritic、gosec、bodyclose、noctx、nilerr、goimports、gocyclo） - 新增 lefthook.yml 配置 pre-commit hook 自动运行 lint - 修复存量代码违规：errors.Is/As 替换、zap.Error 替换、import 排序、errcheck 修复 - 更新 README 补充编码规范说明 - 归档 backend-code-lint 变更
82 lines
2.8 KiB
Go
82 lines
2.8 KiB
Go
package errors
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import (
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stderrors "errors"
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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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// WithCause returns a copy of the error with the given cause
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func (e *AppError) WithCause(cause error) *AppError {
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return &AppError{
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Code: e.Code,
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Message: e.Message,
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HTTPStatus: e.HTTPStatus,
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Cause: cause,
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Context: e.Context,
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}
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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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ErrRequestCreate = NewAppError("request_create_error", "创建请求失败", http.StatusInternalServerError)
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ErrRequestSend = NewAppError("request_send_error", "发送请求失败", http.StatusBadGateway)
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ErrResponseRead = NewAppError("response_read_error", "读取响应失败", http.StatusBadGateway)
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ErrInvalidProviderID = NewAppError("invalid_provider_id", "供应商 ID 仅允许字母、数字、下划线，长度 1-64", http.StatusBadRequest)
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ErrDuplicateModel = NewAppError("duplicate_model", "同一供应商下模型名称已存在", http.StatusConflict)
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ErrImmutableField = NewAppError("immutable_field", "供应商 ID 不允许修改", http.StatusBadRequest)
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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 !stderrors.As(err, &appErr) {
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return nil, false
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}
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return appErr, true
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}
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