// Package database contains the types for schema 'public'.
package database

// Code generated by xo. DO NOT EDIT.

import (
	"errors"
	"time"
)

// User represents a row from '"public"."user"'.
type User struct {
	ID        int64     `db:"id"`         // id
	IsAdmin   bool      `db:"is_admin"`   // is_admin
	Password  []byte    `db:"password"`   // password
	CreatedAt time.Time `db:"created_at"` // created_at

	// xo fields
	_exists, _deleted bool
}

// Exists determines if the User exists in the database.
func (u *User) Exists() bool {
	return u._exists
}

// Deleted provides information if the User has been deleted from the database.
func (u *User) Deleted() bool {
	return u._deleted
}

// Insert inserts the User to the database.
func (u *User) Insert(db XODB) error {
	var err error

	// if already exist, bail
	if u._exists {
		return errors.New("insert failed: already exists")
	}

	// sql insert query, primary key provided by sequence
	const sqlstr = `INSERT INTO "public"."user" (` +
		`"is_admin", "password", "created_at"` +
		`) VALUES (` +
		`$1, $2, $3` +
		`) RETURNING "id"`

	// run query
	XOLog(sqlstr, u.IsAdmin, u.Password, u.CreatedAt)
	err = db.QueryRow(sqlstr, u.IsAdmin, u.Password, u.CreatedAt).Scan(&u.ID)
	if err != nil {
		return err
	}

	// set existence
	u._exists = true

	return nil
}

// Update updates the User in the database.
func (u *User) Update(db XODB) error {
	var err error

	// if doesn't exist, bail
	if !u._exists {
		return errors.New("update failed: does not exist")
	}

	// if deleted, bail
	if u._deleted {
		return errors.New("update failed: marked for deletion")
	}

	// sql query
	const sqlstr = `UPDATE "public"."user" SET (` +
		`"is_admin", "password", "created_at"` +
		`) = ( ` +
		`$1, $2, $3` +
		`) WHERE "id" = $4`

	// run query
	XOLog(sqlstr, u.IsAdmin, u.Password, u.CreatedAt, u.ID)
	_, err = db.Exec(sqlstr, u.IsAdmin, u.Password, u.CreatedAt, u.ID)
	return err
}

// Save saves the User to the database.
func (u *User) Save(db XODB) error {
	if u.Exists() {
		return u.Update(db)
	}

	return u.Insert(db)
}

// Upsert performs an upsert for User.
//
// NOTE: PostgreSQL 9.5+ only
func (u *User) Upsert(db XODB) error {
	var err error

	// if already exist, bail
	if u._exists {
		return errors.New("insert failed: already exists")
	}

	// sql query
	const sqlstr = `INSERT INTO "public"."user" (` +
		`"id", "is_admin", "password", "created_at"` +
		`) VALUES (` +
		`$1, $2, $3, $4` +
		`) ON CONFLICT ("id") DO UPDATE SET (` +
		`"id", "is_admin", "password", "created_at"` +
		`) = (` +
		`EXCLUDED."id", EXCLUDED."is_admin", EXCLUDED."password", EXCLUDED."created_at"` +
		`)`

	// run query
	XOLog(sqlstr, u.ID, u.IsAdmin, u.Password, u.CreatedAt)
	_, err = db.Exec(sqlstr, u.ID, u.IsAdmin, u.Password, u.CreatedAt)
	if err != nil {
		return err
	}

	// set existence
	u._exists = true

	return nil
}

// Delete deletes the User from the database.
func (u *User) Delete(db XODB) error {
	var err error

	// if doesn't exist, bail
	if !u._exists {
		return nil
	}

	// if deleted, bail
	if u._deleted {
		return nil
	}

	// sql query
	const sqlstr = `DELETE FROM "public"."user" WHERE "id" = $1`

	// run query
	XOLog(sqlstr, u.ID)
	_, err = db.Exec(sqlstr, u.ID)
	if err != nil {
		return err
	}

	// set deleted
	u._deleted = true

	return nil
}

// UserByID retrieves a row from '"public"."user"' as a User.
//
// Generated from index 'user_pkey'.
func UserByID(db XODB, id int64) (*User, error) {
	var err error

	// sql query
	const sqlstr = `SELECT ` +
		`"id", "is_admin", "password", "created_at" ` +
		`FROM "public"."user" ` +
		`WHERE "id" = $1`

	// run query
	XOLog(sqlstr, id)
	u := User{
		_exists: true,
	}

	err = db.QueryRow(sqlstr, id).Scan(&u.ID, &u.IsAdmin, &u.Password, &u.CreatedAt)
	if err != nil {
		return nil, err
	}

	return &u, nil
}