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db.go
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db.go
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// Copyright 2023 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 contacts
import (
"errors"
"github.com/ServiceWeaver/weaver"
"gorm.io/driver/postgres"
"gorm.io/gorm"
)
// Contact represents an account's contact details.
type Contact struct {
weaver.AutoMarshal
Username string `gorm:"not null"`
Label string `gorm:"not null"`
AccountNum string `gorm:"not null"`
RoutingNum string `gorm:"not null"`
IsExternal bool `gorm:"not null"`
}
type contactDB struct {
db *gorm.DB
}
func newContactDB(uri string) (*contactDB, error) {
db, err := gorm.Open(postgres.Open(uri))
if err != nil {
return nil, err
}
return &contactDB{db: db}, nil
}
func (cdb *contactDB) addContact(contact Contact) error {
return cdb.db.Create(&contact).Error
}
func (cdb *contactDB) getContacts(username string) ([]Contact, error) {
contacts := []Contact{}
err := cdb.db.Where("username = ?", username).Find(&contacts).Error
if errors.Is(err, gorm.ErrRecordNotFound) {
return nil, nil
}
if err != nil {
return nil, err
}
return contacts, nil
}