initial scrapbook implementation

zefie_wtvp_minisrv/includes/classes/WTVAuthor.js

@@ -10,6 +10,7 @@ class WTVAuthor {
     wtvclient = null;
     pageFileExt = ".page";
 	pagestore_dir = null;
+	scrapbook_dir = null;
 	pageArr = []; 
 	blockArr = [];
 	header = null;
@@ -59,16 +60,26 @@ class WTVAuthor {
             if (this.pagestore_dir === null) {
                 // set pagestore directory local var so we don't call the function every time
                 var userstore_dir = this.wtvclient.getUserStoreDirectory();
-				this.debug("pagestoreExists", "userstore_dir", userstore_dir)
-
                 // PageStore
                 var store_dir = "PageStore" + this.path.sep;
-                this.pagestore_dir = userstore_dir + store_dir;
+                this.pagestore_dir = userstore_dir + store_dir;			
             }
             return this.fs.existsSync(this.pagestore_dir);
         }
         return true;
     }
+
+	scrapbookExists() {
+		if (!this.isguest) {
+			if (this.scrapbook_dir === null) {
+				var userstore_dir = this.wtvclient.getUserStoreDirectory();
+				var store_dir = "Scrapbook" + this.path.sep;
+                this.scrapbook_dir = userstore_dir + store_dir;
+			}
+		}
+		return this.fs.existsSync(this.scrapbook_dir);
+	}
+
 	
 	createPagestore() {
 		if (this.pagestoreExists() === false) {
@@ -79,7 +90,93 @@ class WTVAuthor {
         }
         return false;
     }
-	
+
+	createScrapbook() {
+		if (this.scrapbookExists() === false) {
+			try {
+				if (!this.fs.existsSync(this.scrapbook_dir)) this.fs.mkdirSync(this.scrapbook_dir, { recursive: true });
+				return true;
+			} catch { }
+		}
+		return false
+	}
+
+	scrapbookDir() {
+		if (this.scrapbookExists() === false) {
+			this.createScrapbook();
+		}
+		return this.scrapbook_dir;
+	}
+
+	listScrapbook() {
+		if (this.scrapbookExists() === false) {
+			this.createScrapbook();
+		}
+		const files = this.fs.readdirSync(this.scrapbook_dir);
+		const filteredFiles = files.filter(file => !file.endsWith('.meta'));
+		return filteredFiles;
+	}
+
+	getFreeScrapbookID() {
+		if (this.scrapbookExists() === false) {
+			this.createScrapbook();
+		}
+		var id = 1;
+		var files = this.fs.readdirSync(this.scrapbook_dir);
+		if (files.length == 0) {
+			return id;
+		}
+		files = files.map(file => parseInt(file.substr(0, file.indexOf('.'))));
+		while (files.includes(id)) {
+			id++;
+		}
+		return id;
+	}
+
+	getScrapbookImage(id) {
+		if (this.scrapbookExists() === false) {
+			this.createScrapbook();
+		}
+		var file = this.scrapbook_dir + id;
+		if (this.fs.existsSync(file)) {
+			return this.fs.readFileSync(file);
+		}
+		return null;
+	}
+
+	getScrapbookImageType(id) {
+		if (this.scrapbookExists() === false) {
+			this.createScrapbook();
+		}
+		var file = this.scrapbook_dir + id + ".meta";
+		if (this.fs.existsSync(file)) {
+			var meta = this.fs.readFileSync(file, 'utf8');
+			try {
+				var metaData = JSON.parse(meta);
+				return metaData.contentType;
+			} catch (e) {
+				this.debug("getScrapbookImageType", "Error parsing metadata for image ID", id, e);
+			}
+		}
+		return null;
+	}
+
+	addToScrapbook(filename, contentType, data) {
+		try {
+			if (this.scrapbookExists() === false) {
+				this.createScrapbook();
+			}
+			var fileout = this.scrapbook_dir + filename;
+			var fileout_meta = this.scrapbook_dir + filename + ".meta";
+			this.fs.writeFileSync(fileout, data);
+			this.fs.writeFileSync(fileout_meta, JSON.stringify({
+				"contentType": contentType
+			}));
+			return true;
+		} catch {}
+		return false;
+	}
+
 	createPage(style) {
 			this.pagestoreExists()
 			var pagestorepath = this.pagestore_dir;