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update.go
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update.go
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// Copyright 2023 Northern.tech AS
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package model
import (
"errors"
"time"
)
// Type info structure
type ArtifactUpdateTypeInfo struct {
Type *string `json:"type" valid:"required"`
}
// Update file structure
type UpdateFile struct {
// Image name
Name string `json:"name" valid:"required"`
// Image file checksum
Checksum string `json:"checksum" valid:"optional"`
// Image size
Size int64 `json:"size" valid:"optional"`
// Date build
Date *time.Time `json:"date" valid:"optional"`
}
// Update structure
type Update struct {
TypeInfo ArtifactUpdateTypeInfo `json:"type_info" valid:"required"`
Files []UpdateFile `json:"files"`
MetaData interface{} `json:"meta_data,omitempty" valid:"optional"`
}
func (u Update) Match(update Update) bool {
if len(u.Files) != len(update.Files) {
return false
}
lFiles := make(map[string]UpdateFile, len(u.Files))
for i, f := range u.Files {
lFiles[f.Name] = u.Files[i]
}
for _, f := range update.Files {
if _, ok := lFiles[f.Name]; !ok {
return false
}
}
return true
}
const maxUpdateFiles = 1024
func (u Update) Validate() error {
if len(u.Files) > maxUpdateFiles {
return errors.New("too large update files array")
}
return nil
}