155 lines
3.9 KiB
Go
155 lines
3.9 KiB
Go
/*
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* Copyright 2020 The Dragonfly Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package errors
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import (
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"fmt"
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"github.com/pkg/errors"
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)
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// ErrURLNotReachable represents the url is a not reachable.
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type ErrURLNotReachable struct {
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URL string
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}
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func (e ErrURLNotReachable) Error() string {
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return fmt.Sprintf("url %s not reachable", e.URL)
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}
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// ErrTaskIDDuplicate represents the task id is in conflict.
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type ErrTaskIDDuplicate struct {
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TaskID string
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Cause error
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}
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func (e ErrTaskIDDuplicate) Error() string {
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return fmt.Sprintf("taskId %s conflict: %v", e.TaskID, e.Cause)
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}
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type ErrInconsistentValues struct {
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Expected interface{}
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Actual interface{}
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}
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func (e ErrInconsistentValues) Error() string {
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return fmt.Sprintf("inconsistent number of pieces, expected %s, actual: %s", e.Expected, e.Actual)
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}
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// ErrResourceExpired represents the downloaded resource has expired
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type ErrResourceExpired struct {
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URL string
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}
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func (e ErrResourceExpired) Error() string {
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return fmt.Sprintf("url %s expired", e.URL)
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}
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// ErrResourceNotSupportRangeRequest represents the downloaded resource does not support Range downloads
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type ErrResourceNotSupportRangeRequest struct {
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URL string
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}
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func (e ErrResourceNotSupportRangeRequest) Error() string {
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return fmt.Sprintf("url %s does not support range request", e.URL)
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}
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// ErrFileNotExist represents the file is not exists
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type ErrFileNotExist struct {
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File string
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}
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func (e ErrFileNotExist) Error() string {
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return fmt.Sprintf("file or dir %s not exist", e.File)
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}
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var (
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// ErrSystemError represents the error is a system error.
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ErrSystemError = errors.New("system error")
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// ErrTaskDownloadFail represents an exception was encountered while downloading the file
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ErrTaskDownloadFail = errors.New("resource download failed")
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// ErrDataNotFound represents the data cannot be found.
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ErrDataNotFound = errors.New("data not found")
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// ErrInvalidValue represents the value is invalid.
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ErrInvalidValue = errors.New("invalid value")
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// ErrConvertFailed represents failed to convert.
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ErrConvertFailed = errors.New("convert failed")
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)
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// IsSystemError checks the error is a system error or not.
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func IsSystemError(err error) bool {
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return errors.Cause(err) == ErrSystemError
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}
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// IsURLNotReachable checks the error is a url not reachable or not.
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func IsURLNotReachable(err error) bool {
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err = errors.Cause(err)
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_, ok := err.(ErrURLNotReachable)
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return ok
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}
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// IsTaskIDDuplicate checks the error is a TaskIDDuplicate error or not.
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func IsTaskIDDuplicate(err error) bool {
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err = errors.Cause(err)
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_, ok := err.(ErrTaskIDDuplicate)
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return ok
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}
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func IsInconsistentValues(err error) bool {
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err = errors.Cause(err)
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_, ok := err.(ErrInconsistentValues)
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return ok
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}
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func IsDownloadFail(err error) bool {
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return errors.Cause(err) == ErrTaskDownloadFail
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}
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func IsResourceExpired(err error) bool {
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err = errors.Cause(err)
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_, ok := err.(ErrResourceExpired)
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return ok
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}
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func IsResourceNotSupportRangeRequest(err error) bool {
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err = errors.Cause(err)
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_, ok := err.(ErrResourceNotSupportRangeRequest)
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return ok
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}
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func IsDataNotFound(err error) bool {
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return errors.Cause(err) == ErrDataNotFound
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}
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func IsInvalidValue(err error) bool {
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return errors.Cause(err) == ErrInvalidValue
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}
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func IsConvertFailed(err error) bool {
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return errors.Cause(err) == ErrConvertFailed
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}
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func IsFileNotExist(err error) bool {
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err = errors.Cause(err)
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_, ok := err.(ErrFileNotExist)
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return ok
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}
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