96 lines
2.3 KiB
Go
96 lines
2.3 KiB
Go
package services
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import (
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"errors"
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"log"
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"git.klink.asia/paul/certman/models"
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"github.com/jinzhu/gorm"
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)
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// Error Definitions
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var (
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ErrNotImplemented = errors.New("Not implemented")
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)
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type DBConfig struct {
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Type string
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DSN string
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Log bool
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}
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// DB is a wrapper around gorm.DB to provide custom methods
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type DB struct {
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gorm *gorm.DB
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conf *DBConfig
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}
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func NewDB(conf *DBConfig) *DB {
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// Establish connection
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db, err := gorm.Open(conf.Type, conf.DSN)
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if err != nil {
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log.Fatalf("Could not open database: %s", err.Error())
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}
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// Migrate models
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db.AutoMigrate(models.Client{})
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db.LogMode(conf.Log)
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return &DB{
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gorm: db,
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conf: conf,
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}
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}
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// CountClients returns the number of clients in the datastore
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func (db *DB) CountClients() (uint, error) {
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var count uint
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err := db.gorm.Find(&models.Client{}).Count(&count).Error
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return count, err
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}
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// CreateClient inserts a client into the datastore
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func (db *DB) CreateClient(client *models.Client) error {
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err := db.gorm.Create(&client).Error
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return err
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}
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// ListClients returns a slice of 'count' client, starting at 'offset'
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func (db *DB) ListClients(count, offset int) ([]*models.Client, error) {
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var clients = make([]*models.Client, 0)
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err := db.gorm.Find(&clients).Limit(count).Offset(offset).Error
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return clients, err
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}
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// ListClientsForUser returns a slice of 'count' client for user 'user', starting at 'offset'
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func (db *DB) ListClientsForUser(user string, count, offset int) ([]*models.Client, error) {
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var clients = make([]*models.Client, 0)
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err := db.gorm.Find(&clients).Where("user = ?", user).Limit(count).Offset(offset).Error
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return clients, err
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}
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// GetClientByID returns a single client by ID
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func (db *DB) GetClientByID(id uint) (*models.Client, error) {
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var client models.Client
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err := db.gorm.Where("id = ?", id).First(&client).Error
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return &client, err
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}
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// GetClientByNameUser returns a single client by ID
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func (db *DB) GetClientByNameUser(name, user string) (*models.Client, error) {
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var client models.Client
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err := db.gorm.Where("name = ?", name).Where("user = ?", user).First(&client).Error
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return &client, err
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}
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// DeleteClient removes a client from the datastore
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func (db *DB) DeleteClient(id uint) error {
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err := db.gorm.Where("id = ?", id).Delete(&models.Client{}).Error
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return err
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}
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