106 lines
3.3 KiB
Go
106 lines
3.3 KiB
Go
/*
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* Copyright (C) 2019 Philipp Haefelfinger (http://www.haefelfinger.ch/). All Rights Reserved.
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* This application is licensed under GPLv2. See the LICENSE file in the root directory of the project.
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*/
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package app
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import (
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"errors"
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"fmt"
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"git.haefelfinger.net/piwigo/PiwigoDirectoryUploader/internal/pkg/localFileStructure"
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"git.haefelfinger.net/piwigo/PiwigoDirectoryUploader/internal/pkg/piwigo"
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"github.com/sirupsen/logrus"
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"path/filepath"
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"sort"
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)
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func getAllCategoriesFromServer(piwigoApi piwigo.PiwigoCategoryApi) (map[string]*piwigo.PiwigoCategory, error) {
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logrus.Debugln("Starting GetAllCategories")
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categories, err := piwigoApi.GetAllCategories()
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return categories, err
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}
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func synchronizeCategories(piwigoApi piwigo.PiwigoCategoryApi, filesystemNodes map[string]*localFileStructure.FilesystemNode, existingCategories map[string]*piwigo.PiwigoCategory) error {
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logrus.Infoln("Synchronizing categories...")
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missingCategories := findMissingCategories(filesystemNodes, existingCategories)
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if len(missingCategories) == 0 {
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logrus.Infof("No categories missing!")
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return nil
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}
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return createMissingCategories(piwigoApi, missingCategories, existingCategories)
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}
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func findMissingCategories(fileSystem map[string]*localFileStructure.FilesystemNode, existingCategories map[string]*piwigo.PiwigoCategory) []string {
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missingCategories := make([]string, 0, len(fileSystem))
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for _, file := range fileSystem {
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if !file.IsDir {
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continue
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}
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_, exists := existingCategories[file.Key]
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if exists {
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logrus.Debugf("Found existing category %s", file.Key)
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} else {
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logrus.Infof("Missing category detected %s", file.Key)
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missingCategories = append(missingCategories, file.Key)
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}
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}
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return missingCategories
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}
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func createMissingCategories(piwigoApi piwigo.PiwigoCategoryApi, missingCategories []string, existingCategories map[string]*piwigo.PiwigoCategory) error {
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// we sort them to make sure the categories gets created
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// in the right order and we have the parent available while creating the children
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sort.Strings(missingCategories)
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logrus.Infof("Creating %d categories", len(missingCategories))
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for _, categoryKey := range missingCategories {
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logrus.Infof("Creating category %s", categoryKey)
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name, parentId, err := getNameAndParentId(categoryKey, existingCategories)
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if err != nil {
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return err
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}
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// create category on piwigo
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id, err := piwigoApi.CreateCategory(parentId, name)
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if err != nil {
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return errors.New(fmt.Sprintf("Could not create category on piwigo: %s", err))
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}
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newCategory := piwigo.PiwigoCategory{Id: id, Name: name, ParentId: parentId, Key: categoryKey}
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logrus.Println(newCategory)
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existingCategories[newCategory.Key] = &newCategory
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}
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return nil
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}
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func getNameAndParentId(category string, categories map[string]*piwigo.PiwigoCategory) (string, int, error) {
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parentKey := filepath.Dir(category)
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_, name := filepath.Split(category)
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if name == category {
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logrus.Debugf("The category %s is a root category, there is no parent", name)
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return name, 0, nil
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}
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logrus.Debugf("Looking up parent with key %s", parentKey)
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parent, exists := categories[parentKey]
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if !exists {
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return "", 0, errors.New(fmt.Sprintf("could not find parent with key %s", parentKey))
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}
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parentId := parent.Id
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logrus.Debugf("Found parent %s with id %d", parentKey, parentId)
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return name, parentId, nil
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}
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