545 lines
14 KiB
Go
545 lines
14 KiB
Go
/*
|
|
* Copyright (C) 2019 Philipp Haefelfinger (http://www.haefelfinger.ch/). All Rights Reserved.
|
|
* This application is licensed under GPLv2. See the LICENSE file in the root directory of the project.
|
|
*/
|
|
|
|
package datastore
|
|
|
|
import (
|
|
"database/sql"
|
|
"errors"
|
|
"fmt"
|
|
_ "github.com/mattn/go-sqlite3"
|
|
"github.com/sirupsen/logrus"
|
|
"time"
|
|
)
|
|
|
|
var ErrorRecordNotFound = errors.New("record not found")
|
|
|
|
type CategoryData struct {
|
|
CategoryId int
|
|
PiwigoId int
|
|
PiwigoParentId int
|
|
Name string
|
|
Key string
|
|
}
|
|
|
|
func (cat *CategoryData) String() string {
|
|
return fmt.Sprintf("CategoryData{CategoryId:%d, PiwigoId:%d, PiwigoParentId:%d, Name:%s, Key:%s}", cat.CategoryId, cat.PiwigoId, cat.PiwigoParentId, cat.Name, cat.Key)
|
|
}
|
|
|
|
type ImageMetaData struct {
|
|
ImageId int
|
|
PiwigoId int
|
|
FullImagePath string
|
|
Filename string
|
|
Md5Sum string
|
|
LastChange time.Time
|
|
CategoryPath string
|
|
CategoryPiwigoId int
|
|
UploadRequired bool
|
|
DeleteRequired bool
|
|
}
|
|
|
|
func (img *ImageMetaData) String() string {
|
|
return fmt.Sprintf("ImageMetaData{ImageId:%d, PiwigoId:%d, CategoryPiwigoId:%d, RelPath:%s, File:%s, Md5:%s, Change:%sS, catpath:%s, UploadRequired: %t, DeleteRequired: %t}", img.ImageId, img.PiwigoId, img.CategoryPiwigoId, img.FullImagePath, img.Filename, img.Md5Sum, img.LastChange.String(), img.CategoryPath, img.UploadRequired, img.DeleteRequired)
|
|
}
|
|
|
|
type CategoryProvider interface {
|
|
SaveCategory(category CategoryData) error
|
|
GetCategoryByPiwigoId(piwigoId int) (CategoryData, error)
|
|
GetCategoryByKey(key string) (CategoryData, error)
|
|
GetCategoriesToCreate() ([]CategoryData, error)
|
|
}
|
|
|
|
type ImageMetadataProvider interface {
|
|
ImageMetadata(fullImagePath string) (ImageMetaData, error)
|
|
ImageMetadataToUpload() ([]ImageMetaData, error)
|
|
ImageMetadataToDelete() ([]ImageMetaData, error)
|
|
ImageMetadataAll() ([]ImageMetaData, error)
|
|
SaveImageMetadata(m ImageMetaData) error
|
|
SavePiwigoIdAndUpdateUploadFlag(md5Sum string, piwigoId int) error
|
|
DeleteMarkedImages() error
|
|
}
|
|
|
|
type LocalDataStore struct {
|
|
connectionString string
|
|
}
|
|
|
|
func NewLocalDataStore() *LocalDataStore {
|
|
return &LocalDataStore{}
|
|
}
|
|
|
|
func (d *LocalDataStore) Initialize(connectionString string) error {
|
|
if connectionString == "" {
|
|
return errors.New("connection string could not be empty")
|
|
}
|
|
|
|
d.connectionString = connectionString
|
|
|
|
db, err := d.openDatabase()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer db.Close()
|
|
|
|
err = d.createTablesIfNeeded(db)
|
|
|
|
return err
|
|
}
|
|
|
|
func (d *LocalDataStore) ImageMetadata(fullImagePath string) (ImageMetaData, error) {
|
|
logrus.Tracef("Query image metadata for file %s", fullImagePath)
|
|
img := ImageMetaData{}
|
|
|
|
db, err := d.openDatabase()
|
|
if err != nil {
|
|
return img, err
|
|
}
|
|
defer db.Close()
|
|
|
|
stmt, err := db.Prepare("SELECT imageId, piwigoId, fullImagePath, fileName, md5sum, lastChanged, categoryPath, categoryPiwigoId, uploadRequired, deleteRequired FROM image WHERE fullImagePath = ?")
|
|
if err != nil {
|
|
return img, err
|
|
}
|
|
|
|
rows, err := stmt.Query(fullImagePath)
|
|
if err != nil {
|
|
return img, err
|
|
}
|
|
defer rows.Close()
|
|
|
|
if rows.Next() {
|
|
err = readImageMetadataFromRow(rows, &img)
|
|
if err != nil {
|
|
return img, err
|
|
}
|
|
} else {
|
|
return img, ErrorRecordNotFound
|
|
}
|
|
err = rows.Err()
|
|
|
|
return img, err
|
|
}
|
|
|
|
func (d *LocalDataStore) ImageMetadataAll() ([]ImageMetaData, error) {
|
|
logrus.Tracef("Query all image metadata that represent files on the disk")
|
|
|
|
db, err := d.openDatabase()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer db.Close()
|
|
|
|
rows, err := db.Query("SELECT imageId, piwigoId, fullImagePath, fileName, md5sum, lastChanged, categoryPath, categoryPiwigoId, uploadRequired, deleteRequired FROM image")
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer rows.Close()
|
|
|
|
var images []ImageMetaData
|
|
for rows.Next() {
|
|
img := &ImageMetaData{}
|
|
err = readImageMetadataFromRow(rows, img)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
images = append(images, *img)
|
|
}
|
|
err = rows.Err()
|
|
|
|
return images, err
|
|
}
|
|
|
|
func (d *LocalDataStore) ImageMetadataToDelete() ([]ImageMetaData, error) {
|
|
logrus.Tracef("Query all image metadata that represent files queued to delete")
|
|
|
|
db, err := d.openDatabase()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer db.Close()
|
|
|
|
rows, err := db.Query("SELECT imageId, piwigoId, fullImagePath, fileName, md5sum, lastChanged, categoryPath, categoryPiwigoId, uploadRequired, deleteRequired FROM image WHERE deleteRequired = 1")
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer rows.Close()
|
|
|
|
var images []ImageMetaData
|
|
for rows.Next() {
|
|
img := &ImageMetaData{}
|
|
err = readImageMetadataFromRow(rows, img)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
images = append(images, *img)
|
|
}
|
|
err = rows.Err()
|
|
|
|
return images, err
|
|
}
|
|
|
|
func (d *LocalDataStore) ImageMetadataToUpload() ([]ImageMetaData, error) {
|
|
logrus.Tracef("Query all image metadata that represent files queued to upload")
|
|
|
|
db, err := d.openDatabase()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer db.Close()
|
|
|
|
rows, err := db.Query("SELECT imageId, piwigoId, fullImagePath, fileName, md5sum, lastChanged, categoryPath, categoryPiwigoId, uploadRequired, deleteRequired FROM image WHERE uploadRequired = 1 and deleteRequired = 0 order by fullImagePath asc")
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer rows.Close()
|
|
|
|
var images []ImageMetaData
|
|
for rows.Next() {
|
|
img := &ImageMetaData{}
|
|
err = readImageMetadataFromRow(rows, img)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
images = append(images, *img)
|
|
}
|
|
err = rows.Err()
|
|
|
|
return images, err
|
|
}
|
|
|
|
func (d *LocalDataStore) SaveImageMetadata(img ImageMetaData) error {
|
|
logrus.Tracef("Saving imagemetadata: %s", img.String())
|
|
db, err := d.openDatabase()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer db.Close()
|
|
|
|
tx, err := db.Begin()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if img.ImageId <= 0 {
|
|
err = d.insertImageMetaData(tx, img)
|
|
} else {
|
|
err = d.updateImageMetaData(tx, img)
|
|
}
|
|
|
|
if err != nil {
|
|
logrus.Errorf("Rolling back transaction for metadata of %s", img.FullImagePath)
|
|
errTx := tx.Rollback()
|
|
if errTx != nil {
|
|
logrus.Errorf("Rollback of transaction for metadata of %s failed!", img.FullImagePath)
|
|
}
|
|
return err
|
|
}
|
|
|
|
logrus.Tracef("Committing metadata for image %s", img.String())
|
|
return tx.Commit()
|
|
}
|
|
|
|
func (d *LocalDataStore) SavePiwigoIdAndUpdateUploadFlag(md5Sum string, piwigoId int) error {
|
|
logrus.Tracef("Saving piwigo id %d for file with md5sum %s", piwigoId, md5Sum)
|
|
db, err := d.openDatabase()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer db.Close()
|
|
|
|
tx, err := db.Begin()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
uploadRequired := 1
|
|
if piwigoId > 0 {
|
|
uploadRequired = 0
|
|
}
|
|
|
|
stmt, err := tx.Prepare("UPDATE image SET piwigoId = ?, uploadRequired = ? WHERE md5sum = ?")
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
_, err = stmt.Exec(piwigoId, uploadRequired, md5Sum)
|
|
if err != nil {
|
|
logrus.Errorf("Rolling back transaction for piwigo id update of file %s", md5Sum)
|
|
errTx := tx.Rollback()
|
|
if errTx != nil {
|
|
logrus.Errorf("Rollback of transaction for piwigo id update of file %s failed!", md5Sum)
|
|
}
|
|
return err
|
|
}
|
|
|
|
logrus.Tracef("Committing piwigo id %d for file with md5sum %s", piwigoId, md5Sum)
|
|
return tx.Commit()
|
|
}
|
|
|
|
func (d *LocalDataStore) DeleteMarkedImages() error {
|
|
logrus.Trace("Deleting marked records from database...")
|
|
db, err := d.openDatabase()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer db.Close()
|
|
|
|
tx, err := db.Begin()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
_, err = tx.Exec("DELETE FROM image WHERE deleteRequired = 1")
|
|
if err != nil {
|
|
logrus.Errorf("Rolling back transaction of deleting marked images")
|
|
errTx := tx.Rollback()
|
|
if errTx != nil {
|
|
logrus.Errorf("Rollback of transaction for piwigo delete failed!")
|
|
}
|
|
return err
|
|
}
|
|
|
|
logrus.Tracef("Committing deleted images from database")
|
|
return tx.Commit()
|
|
}
|
|
|
|
func (d *LocalDataStore) SaveCategory(category CategoryData) error {
|
|
logrus.Tracef("Saving category: %s", category.String())
|
|
db, err := d.openDatabase()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer db.Close()
|
|
|
|
tx, err := db.Begin()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if category.CategoryId <= 0 {
|
|
err = d.insertCategoryData(tx, category)
|
|
} else {
|
|
err = d.updateCategoryData(tx, category)
|
|
}
|
|
|
|
if err != nil {
|
|
logrus.Errorf("Rolling back transaction for category of %s", category.Key)
|
|
errTx := tx.Rollback()
|
|
if errTx != nil {
|
|
logrus.Errorf("Rollback of transaction for category of %s failed!", category.Key)
|
|
}
|
|
return err
|
|
}
|
|
|
|
logrus.Tracef("Committing category for image %s", category.String())
|
|
return tx.Commit()
|
|
}
|
|
|
|
func (d *LocalDataStore) GetCategoryByPiwigoId(piwigoId int) (CategoryData, error) {
|
|
logrus.Tracef("Query category by piwigoid %d", piwigoId)
|
|
cat := CategoryData{}
|
|
|
|
db, err := d.openDatabase()
|
|
if err != nil {
|
|
return cat, err
|
|
}
|
|
defer db.Close()
|
|
|
|
stmt, err := db.Prepare("SELECT categoryId, piwigoId, piwigoParentId, name, key FROM category WHERE piwigoId = ?")
|
|
if err != nil {
|
|
return cat, err
|
|
}
|
|
|
|
rows, err := stmt.Query(piwigoId)
|
|
if err != nil {
|
|
return cat, err
|
|
}
|
|
defer rows.Close()
|
|
|
|
if rows.Next() {
|
|
err = readCategoryFromRow(rows, &cat)
|
|
if err != nil {
|
|
return cat, err
|
|
}
|
|
} else {
|
|
return cat, ErrorRecordNotFound
|
|
}
|
|
err = rows.Err()
|
|
|
|
return cat, err
|
|
}
|
|
|
|
func (d *LocalDataStore) GetCategoryByKey(key string) (CategoryData, error) {
|
|
logrus.Tracef("Query category %s", key)
|
|
cat := CategoryData{}
|
|
|
|
db, err := d.openDatabase()
|
|
if err != nil {
|
|
return cat, err
|
|
}
|
|
defer db.Close()
|
|
|
|
stmt, err := db.Prepare("SELECT categoryId, piwigoId, piwigoParentId, name, key FROM category WHERE key = ?")
|
|
if err != nil {
|
|
return cat, err
|
|
}
|
|
|
|
rows, err := stmt.Query(key)
|
|
if err != nil {
|
|
return cat, err
|
|
}
|
|
defer rows.Close()
|
|
|
|
if rows.Next() {
|
|
err = readCategoryFromRow(rows, &cat)
|
|
if err != nil {
|
|
return cat, err
|
|
}
|
|
} else {
|
|
return cat, ErrorRecordNotFound
|
|
}
|
|
err = rows.Err()
|
|
|
|
return cat, err
|
|
}
|
|
|
|
func (d *LocalDataStore) GetCategoriesToCreate() ([]CategoryData, error) {
|
|
logrus.Trace("Query categories to create on piwigo")
|
|
|
|
db, err := d.openDatabase()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer db.Close()
|
|
|
|
stmt, err := db.Prepare("SELECT categoryId, piwigoId, piwigoParentId, name, key FROM category WHERE piwigoId = 0 ORDER BY key")
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
rows, err := stmt.Query()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer rows.Close()
|
|
|
|
var categories []CategoryData
|
|
for rows.Next() {
|
|
cat := CategoryData{}
|
|
err = readCategoryFromRow(rows, &cat)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
categories = append(categories, cat)
|
|
}
|
|
err = rows.Err()
|
|
|
|
return categories, err
|
|
}
|
|
|
|
func (d *LocalDataStore) openDatabase() (*sql.DB, error) {
|
|
db, err := sql.Open("sqlite3", d.connectionString)
|
|
if err != nil {
|
|
logrus.Warnf("Could not open database %s", d.connectionString)
|
|
return nil, err
|
|
}
|
|
db.SetMaxOpenConns(1)
|
|
|
|
return db, err
|
|
}
|
|
|
|
func (d *LocalDataStore) createTablesIfNeeded(db *sql.DB) error {
|
|
_, err := db.Exec("CREATE TABLE IF NOT EXISTS image (" +
|
|
"imageId INTEGER PRIMARY KEY," +
|
|
"piwigoId INTEGER NULL," +
|
|
"fullImagePath NVARCHAR(1000) NOT NULL," +
|
|
"fileName NVARCHAR(255) NOT NULL," +
|
|
"md5sum NVARCHAR(50) NOT NULL," +
|
|
"lastChanged DATETIME NOT NULL," +
|
|
"categoryPath NVARCHAR(1000) NOT NULL," +
|
|
"categoryPiwigoId INTEGER NULL," +
|
|
"uploadRequired BIT NOT NULL," +
|
|
"deleteRequired BIT NOT NULL" +
|
|
");")
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
_, err = db.Exec("CREATE UNIQUE INDEX IF NOT EXISTS UX_ImageFullImagePath ON image (fullImagePath);")
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
_, err = db.Exec("CREATE TABLE IF NOT EXISTS category (" +
|
|
"categoryId INTEGER PRIMARY KEY," +
|
|
"piwigoId INTEGER NULL," +
|
|
"piwigoParentId INTEGER NULL," +
|
|
"name NVARCHAR(255) NOT NULL," +
|
|
"key NVARCHAR(1000) NOT NULL" +
|
|
");")
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
_, err = db.Exec("CREATE UNIQUE INDEX IF NOT EXISTS UX_Category_Key ON category (key);")
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
_, err = db.Exec("CREATE UNIQUE INDEX IF NOT EXISTS UX_Category_PiwigoId ON category (piwigoId) WHERE piwigoId > 0;")
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
logrus.Debug("Database successfully initialized")
|
|
return nil
|
|
}
|
|
|
|
func readImageMetadataFromRow(rows *sql.Rows, img *ImageMetaData) error {
|
|
err := rows.Scan(&img.ImageId, &img.PiwigoId, &img.FullImagePath, &img.Filename, &img.Md5Sum, &img.LastChange, &img.CategoryPath, &img.CategoryPiwigoId, &img.UploadRequired, &img.DeleteRequired)
|
|
return err
|
|
}
|
|
|
|
func (d *LocalDataStore) insertImageMetaData(tx *sql.Tx, data ImageMetaData) error {
|
|
stmt, err := tx.Prepare("INSERT INTO image (piwigoId, fullImagePath, fileName, md5sum, lastChanged, categoryPath, categoryPiwigoId, uploadRequired, deleteRequired) VALUES (?,?,?,?,?,?,?,?,?)")
|
|
if err != nil {
|
|
return err
|
|
}
|
|
_, err = stmt.Exec(data.PiwigoId, data.FullImagePath, data.Filename, data.Md5Sum, data.LastChange, data.CategoryPath, data.CategoryPiwigoId, data.UploadRequired, data.DeleteRequired)
|
|
return err
|
|
}
|
|
|
|
func (d *LocalDataStore) updateImageMetaData(tx *sql.Tx, data ImageMetaData) error {
|
|
stmt, err := tx.Prepare("UPDATE image SET piwigoId = ?, fullImagePath = ?, fileName = ?, md5sum = ?, lastChanged = ?, categoryPath = ?, categoryPiwigoId = ?, uploadRequired = ?, deleteRequired = ? WHERE imageId = ?")
|
|
if err != nil {
|
|
return err
|
|
}
|
|
_, err = stmt.Exec(data.PiwigoId, data.FullImagePath, data.Filename, data.Md5Sum, data.LastChange, data.CategoryPath, data.CategoryPiwigoId, data.UploadRequired, data.DeleteRequired, data.ImageId)
|
|
return err
|
|
}
|
|
|
|
func readCategoryFromRow(rows *sql.Rows, cat *CategoryData) error {
|
|
err := rows.Scan(&cat.CategoryId, &cat.PiwigoId, &cat.PiwigoParentId, &cat.Name, &cat.Key)
|
|
return err
|
|
}
|
|
|
|
func (d *LocalDataStore) updateCategoryData(tx *sql.Tx, data CategoryData) error {
|
|
stmt, err := tx.Prepare("UPDATE category SET piwigoId = ?, piwigoParentId = ?, name = ?, key = ? WHERE categoryId = ?")
|
|
if err != nil {
|
|
return err
|
|
}
|
|
_, err = stmt.Exec(data.PiwigoId, data.PiwigoParentId, data.Name, data.Key, data.CategoryId)
|
|
return err
|
|
}
|
|
|
|
func (d *LocalDataStore) insertCategoryData(tx *sql.Tx, data CategoryData) error {
|
|
stmt, err := tx.Prepare("INSERT INTO category (piwigoId, piwigoParentId, name, key) VALUES (?,?,?,?)")
|
|
if err != nil {
|
|
return err
|
|
}
|
|
_, err = stmt.Exec(data.PiwigoId, data.PiwigoParentId, data.Name, data.Key)
|
|
return err
|
|
}
|