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application.go
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application.go
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// Copyright © 2019 The Things Network Foundation, The Things Industries B.V.
//
// 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 store
import (
"github.com/gogo/protobuf/types"
"go.thethings.network/lorawan-stack/v3/pkg/ttnpb"
)
// Application model.
type Application struct {
Model
SoftDelete
// BEGIN common fields
ApplicationID string `gorm:"unique_index:application_id_index;type:VARCHAR(36);not null"`
Name string `gorm:"type:VARCHAR"`
Description string `gorm:"type:TEXT"`
Attributes []Attribute `gorm:"polymorphic:Entity;polymorphic_value:application"`
APIKeys []APIKey `gorm:"polymorphic:Entity;polymorphic_value:application"`
Memberships []Membership `gorm:"polymorphic:Entity;polymorphic_value:application"`
// END common fields
}
func init() {
registerModel(&Application{})
}
// functions to set fields from the application model into the application proto.
var applicationPBSetters = map[string]func(*ttnpb.Application, *Application){
nameField: func(pb *ttnpb.Application, app *Application) { pb.Name = app.Name },
descriptionField: func(pb *ttnpb.Application, app *Application) { pb.Description = app.Description },
attributesField: func(pb *ttnpb.Application, app *Application) { pb.Attributes = attributes(app.Attributes).toMap() },
}
// functions to set fields from the application proto into the application model.
var applicationModelSetters = map[string]func(*Application, *ttnpb.Application){
nameField: func(app *Application, pb *ttnpb.Application) { app.Name = pb.Name },
descriptionField: func(app *Application, pb *ttnpb.Application) { app.Description = pb.Description },
attributesField: func(app *Application, pb *ttnpb.Application) {
app.Attributes = attributes(app.Attributes).updateFromMap(pb.Attributes)
},
}
// fieldMask to use if a nil or empty fieldmask is passed.
var defaultApplicationFieldMask = &types.FieldMask{}
func init() {
paths := make([]string, 0, len(applicationPBSetters))
for _, path := range ttnpb.ApplicationFieldPathsNested {
if _, ok := applicationPBSetters[path]; ok {
paths = append(paths, path)
}
}
defaultApplicationFieldMask.Paths = paths
}
// fieldmask path to column name in applications table.
var applicationColumnNames = map[string][]string{
attributesField: {},
contactInfoField: {},
nameField: {nameField},
descriptionField: {descriptionField},
}
func (app Application) toPB(pb *ttnpb.Application, fieldMask *types.FieldMask) {
pb.ApplicationIdentifiers.ApplicationID = app.ApplicationID
pb.CreatedAt = cleanTime(app.CreatedAt)
pb.UpdatedAt = cleanTime(app.UpdatedAt)
if fieldMask == nil || len(fieldMask.Paths) == 0 {
fieldMask = defaultApplicationFieldMask
}
for _, path := range fieldMask.Paths {
if setter, ok := applicationPBSetters[path]; ok {
setter(pb, &app)
}
}
}
func (app *Application) fromPB(pb *ttnpb.Application, fieldMask *types.FieldMask) (columns []string) {
if fieldMask == nil || len(fieldMask.Paths) == 0 {
fieldMask = defaultApplicationFieldMask
}
for _, path := range fieldMask.Paths {
if setter, ok := applicationModelSetters[path]; ok {
setter(app, pb)
if columnNames, ok := applicationColumnNames[path]; ok {
columns = append(columns, columnNames...)
}
continue
}
}
return
}