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sms_from_number.go
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sms_from_number.go
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// Copyright 2020 Google LLC
//
// 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 database
import (
"fmt"
"strings"
"github.com/jinzhu/gorm"
)
// SMSFromNumber represents a source number which can send SMS messages. The
// table only contains the system SMS from numbers.
type SMSFromNumber struct {
Errorable
ID uint `gorm:"primary_key;" json:"id,omitempty"`
Label string `gorm:"column:label;" json:"label"`
Value string `gorm:"column:value;" json:"value"`
}
func (s *SMSFromNumber) BeforeSave(tx *gorm.DB) error {
if s.Label == "" {
s.AddError("label", "cannot be blank")
}
if s.Value == "" {
s.AddError("value", "cannot be blank")
}
if len(s.Errors()) > 0 {
return fmt.Errorf("sms from number validation failed: %s", strings.Join(s.ErrorMessages(), ", "))
}
return nil
}
// SMSFromNumbers returns the list of SMS from numbers in the system.
func (db *Database) SMSFromNumbers(scopes ...Scope) ([]*SMSFromNumber, error) {
var numbers []*SMSFromNumber
if err := db.db.
Model(&SMSFromNumber{}).
Scopes(scopes...).
Order("label ASC").
Find(&numbers).
Error; err != nil {
if IsNotFound(err) {
return numbers, nil
}
return nil, err
}
return numbers, nil
}
// FindSMSFromNumber finds the given SMS from number by ID.
func (db *Database) FindSMSFromNumber(id interface{}) (*SMSFromNumber, error) {
var number SMSFromNumber
if err := db.db.
Model(&SMSFromNumber{}).
Where("id = ?", id).
First(&number).
Error; err != nil {
return nil, err
}
return &number, nil
}
// CreateOrUpdateSMSFromNumbers takes the list of SMS numbers and creates new
// records, updates existing records, and deletes records that are not present
// in the list.
func (db *Database) CreateOrUpdateSMSFromNumbers(numbers []*SMSFromNumber) error {
ids := make([]uint, 0, len(numbers))
return db.db.Transaction(func(tx *gorm.DB) error {
for _, number := range numbers {
if number.ID == 0 {
if err := tx.Model(&SMSFromNumber{}).Create(number).Error; err != nil {
return fmt.Errorf("failed to create %s: %w", number.Label, err)
}
} else {
if err := tx.Model(&SMSFromNumber{}).Update(number).Error; err != nil {
return fmt.Errorf("failed to update %s: %w", number.Label, err)
}
}
ids = append(ids, number.ID)
}
del := tx.Unscoped()
if len(ids) > 0 {
del = del.Where("id NOT IN (?)", ids)
}
if err := del.Delete(&SMSFromNumber{}).Error; err != nil {
return fmt.Errorf("failed to delete old sms numbers: %w", err)
}
return nil
})
}