added category tree build up and missing category detection

internal/app/app.go

@@ -6,6 +6,7 @@ import (
 	"fmt"
 	"github.com/sirupsen/logrus"
 	"haefelfinger.net/piwigo/DirectoriesToAlbums/internal/pkg/localFileStructure"
+	"haefelfinger.net/piwigo/DirectoriesToAlbums/internal/pkg/matcher"
 	"haefelfinger.net/piwigo/DirectoriesToAlbums/internal/pkg/piwigo"
 	"haefelfinger.net/piwigo/DirectoriesToAlbums/internal/pkg/piwigo/authentication"
 	"haefelfinger.net/piwigo/DirectoriesToAlbums/internal/pkg/piwigo/category"
@@ -29,50 +30,58 @@ func Run() {
 	if err != nil {
 		os.Exit(2)
 	}
-	//ScanLocalDirectories(context)
 
-	GetAllCategoriesFromServer(context)
+	filesystemNodes := scanLocalDirectories(context)
+	categories := getAllCategoriesFromServer(context)
 
-	//FindMissingAlbums()
+	synchronizeCategories(filesystemNodes, categories)
-	//CreateMissingAlbums()
+
-	//FindMissingImages()
+
-	//UploadImages()
+	findMissingImages()
+	uploadImages()
 
 	_ = authentication.Logout(context.Piwigo)
 }
 
-func ScanLocalDirectories(context *AppContext) {
+func synchronizeCategories(filesystemNodes map[string]*localFileStructure.FilesystemNode, categories map[string]*category.PiwigoCategory) {
+	missingCategories := findMissingCategories(filesystemNodes, categories)
+	createMissingCategories(missingCategories)
+}
+
+func scanLocalDirectories(context *AppContext) map[string]*localFileStructure.FilesystemNode {
 	fileNodes, err := localFileStructure.ScanLocalFileStructure(context.LocalRootPath)
-	if err != nil {
-		panic(err)
-	}
-	for _, node := range fileNodes {
-		logrus.Debugln("found path entry:", node.Key)
-	}
-}
-
-func GetAllCategoriesFromServer(context *AppContext) {
-
-	err := category.GetAllCategories(context.Piwigo)
 	if err != nil {
 		os.Exit(3)
 	}
-
+	return fileNodes
 }
 
-func FindMissingAlbums() {
+func getAllCategoriesFromServer(context *AppContext) map[string]*category.PiwigoCategory {
-	logrus.Warnln("Looking up missing albums (NotImplemented)")
+
+	categories, err := category.GetAllCategories(context.Piwigo)
+	if err != nil {
+		os.Exit(4)
 	}
 
-func CreateMissingAlbums() {
+	return categories
+}
+
+func findMissingCategories(fileSystem map[string]*localFileStructure.FilesystemNode, categories map[string]*category.PiwigoCategory) []string {
+	return matcher.FindMissingCategories(fileSystem, categories)
+}
+
+func createMissingCategories(categories []string) {
 	logrus.Warnln("Creating missing albums (NotImplemented)")
+	for _, c := range categories  {
+		logrus.Debug(c)
+	}
 }
 
-func FindMissingImages() {
+func findMissingImages() {
 	logrus.Warnln("Finding missing images (NotImplemented)")
 }
 
-func UploadImages() {
+func uploadImages() {
 	logrus.Warnln("Uploading missing images (NotImplemented)")
 }
 

internal/pkg/localFileStructure/filesystemScanner.go

@@ -3,10 +3,13 @@ package localFileStructure
 import (
 	"os"
 	"path/filepath"
+	"strings"
 )
 
-func ScanLocalFileStructure(path string) (map[string]FilesystemNode, error) {
+func ScanLocalFileStructure(path string) (map[string]*FilesystemNode, error) {
-	fileMap := make(map[string]FilesystemNode)
+	fileMap := make(map[string]*FilesystemNode)
+
+	relativeRoot := filepath.Base(path)+"/"
 
 	err := filepath.Walk(path, func(p string, info os.FileInfo, err error) error {
 		if path == p {
@@ -15,8 +18,10 @@ func ScanLocalFileStructure(path string) (map[string]FilesystemNode, error) {
 
 		//TODO: Only allow jpg and png files here
 
-		fileMap[p] = FilesystemNode{
+		key := strings.Replace(p,relativeRoot,"",1)
-			Key:   p,
+
+		fileMap[p] = &FilesystemNode{
+			Key:   key,
 			Name:  info.Name(),
 			IsDir: info.IsDir(),
 		}

internal/pkg/matcher/category.go

@@ -0,0 +1,27 @@
+package matcher
+
+import (
+	"github.com/sirupsen/logrus"
+	"haefelfinger.net/piwigo/DirectoriesToAlbums/internal/pkg/localFileStructure"
+	"haefelfinger.net/piwigo/DirectoriesToAlbums/internal/pkg/piwigo/category"
+)
+
+func FindMissingCategories(fileSystem map[string]*localFileStructure.FilesystemNode, categories map[string]*category.PiwigoCategory) []string {
+	missingCategories := []string{}
+	for _, file := range fileSystem {
+		if !file.IsDir {
+			continue
+		}
+
+		_, exists := categories[file.Key]
+
+		if !exists {
+			logrus.Infof("Found missing category %s", file.Key)
+			missingCategories = append(missingCategories, file.Key)
+		} else {
+			logrus.Debugf("Found existing category %s", file.Key)
+		}
+	}
+
+	return missingCategories
+}

internal/pkg/piwigo/category/query.go

@@ -3,16 +3,17 @@ package category
 import (
 	"encoding/json"
 	"errors"
+	"fmt"
 	"github.com/sirupsen/logrus"
 	"haefelfinger.net/piwigo/DirectoriesToAlbums/internal/pkg/piwigo"
 	"net/http"
 	"net/url"
 )
 
-func GetAllCategories(context *piwigo.PiwigoContext) error {
+func GetAllCategories(context *piwigo.PiwigoContext) (map[string]*PiwigoCategory, error) {
 	logrus.Debugln("Starting GetAllCategories")
 	if context.Cookies == nil {
-		return errors.New("Not logged in and no cookies found! Can not get the category list!")
+		return nil, errors.New("Not logged in and no cookies found! Can not get the category list!")
 	}
 
 	formData := url.Values{}
@@ -24,25 +25,61 @@ func GetAllCategories(context *piwigo.PiwigoContext) error {
 
 	if err != nil {
 		logrus.Errorln("The HTTP request failed with error %s", err)
-		return err
+		return nil, err
 	}
 
 	var statusResponse getCategoryListResponse
 	if err := json.NewDecoder(response.Body).Decode(&statusResponse); err != nil {
 		logrus.Errorln(err)
-		return err
+		return nil, err
 	}
 
 	if statusResponse.Status != "ok" {
 		logrus.Errorf("Got state %s while loading categories", statusResponse.Status)
-		return errors.New("Could not load categories")
+		return nil, errors.New("Could not load categories")
 	}
 
 	logrus.Infof("Successfully got all categories from %s", context.Url)
 
-	for _, category := range statusResponse.Result.Categories {
+	categories := buildCategoryMap(&statusResponse)
-		logrus.Debugf("Category %d - %s", category.ID, category.Name)
+	buildCategoryKeys(categories)
+	categoryLookups := buildLookupMap(categories)
+
+	return categoryLookups, nil
 }
 
-	return nil
+func buildLookupMap(categories map[int]*PiwigoCategory) map[string]*PiwigoCategory {
+	categoryLookups := map[string]*PiwigoCategory{}
+	for _, category := range categories {
+		logrus.Debugf("Category %s", category.Key)
+		categoryLookups[category.Key] = category
+	}
+	return categoryLookups
+}
+
+func buildCategoryMap(statusResponse *getCategoryListResponse) map[int]*PiwigoCategory {
+	categories := map[int]*PiwigoCategory{}
+	for _, category := range statusResponse.Result.Categories {
+		categories[category.ID] = &PiwigoCategory{Id: category.ID, ParentId: category.IDUppercat, Name: category.Name, Key: category.Name}
+	}
+	return categories
+}
+
+func buildCategoryKeys(categories map[int]*PiwigoCategory) {
+	for _, category := range categories {
+		if category.ParentId == 0 {
+			category.Key = category.Name
+			continue
+		}
+
+		key := category.Name
+		parentId := category.ParentId
+		for parentId != 0 {
+			parent := categories[parentId]
+			key = fmt.Sprintf("%s/%s", parent.Name, key)
+			parentId = parent.ParentId
+		}
+
+		category.Key = key
+	}
 }

internal/pkg/piwigo/category/types.go

@@ -2,6 +2,7 @@ package category
 
 type PiwigoCategory struct {
 	Id       int
+	ParentId int
 	Name     string
 	Key      string
 }
@@ -12,20 +13,20 @@ type getCategoryListResponse struct {
 		Categories []struct {
 			ID                      int    `json:"id"`
 			Name                    string `json:"name"`
-			Comment                 string      `json:"comment"`
+			Comment                 string `json:"comment,omitempty"`
-			Permalink               interface{} `json:"permalink"`
+			Permalink               string `json:"permalink,omitempty"`
-			Status                  string      `json:"status"`
+			Status                  string `json:"status,omitempty"`
-			Uppercats               string      `json:"uppercats"`
+			Uppercats               string `json:"uppercats,omitempty"`
-			GlobalRank              string      `json:"global_rank"`
+			GlobalRank              string `json:"global_rank,omitempty"`
-			IDUppercat              interface{} `json:"id_uppercat"`
+			IDUppercat              int    `json:"id_uppercat,string,omitempty"`
-			NbImages                int         `json:"nb_images"`
+			NbImages                int    `json:"nb_images,omitempty"`
-			TotalNbImages           int         `json:"total_nb_images"`
+			TotalNbImages           int    `json:"total_nb_images,omitempty"`
-			RepresentativePictureID string      `json:"representative_picture_id"`
+			RepresentativePictureID string `json:"representative_picture_id,omitempty"`
-			DateLast                interface{} `json:"date_last"`
+			DateLast                string `json:"date_last,omitempty"`
-			MaxDateLast             string      `json:"max_date_last"`
+			MaxDateLast             string `json:"max_date_last,omitempty"`
-			NbCategories            int         `json:"nb_categories"`
+			NbCategories            int    `json:"nb_categories,omitempty"`
-			URL                     string      `json:"url"`
+			URL                     string `json:"url,omitempty"`
-			TnURL                   string      `json:"tn_url"`
+			TnURL                   string `json:"tn_url,omitempty"`
 		} `json:"categories"`
 	} `json:"result"`
 }