closes #269, For some COinS pages "could not save item" error

chrome/chromeFiles/content/scholar/xpcom/ingester.js

@@ -415,7 +415,7 @@ Scholar.OpenURL = new function() {
 					item.creators.push({firstName:value});
 				}
 			} else if(key == "rft.au") {
-				item.creators.push(Scholar.cleanAuthor(value, "author", true));
+				item.creators.push(Scholar.Utilities.prototype.cleanAuthor(value, "author", true));
 			} else if(key == "rft.aucorp") {
 				item.creators.push({lastName:value, institutional:true});
 			} else if(key == "rft.isbn" && !item.ISBN) {

scrapers.sql

@@ -1,4 +1,4 @@
--- 73
+-- 74
 
 -- Set the following timestamp to the most recent scraper update date
 REPLACE INTO "version" VALUES ('repository', STRFTIME('%s', '2006-08-31 22:44:00'));
@@ -2792,7 +2792,7 @@ REPLACE INTO "translators" VALUES ('05d07af9-105a-4572-99f6-a8e231c0daef', '2006
 }',
 '// used to retrieve next COinS object when asynchronously parsing COinS objects
 // on a page
-function retrieveNextCOinS(needFullItems, newItems, doc) {
+function retrieveNextCOinS(needFullItems, newItems, couldUseFullItems, doc) {
 	if(needFullItems.length) {
 		var item = needFullItems.shift();
 		
@@ -2802,26 +2802,26 @@ function retrieveNextCOinS(needFullItems, newItems, doc) {
 			newItems.push(item);
 		});
 		search.setHandler("done", function() {
-			retrieveNextCOinS(needFullItems, newItems, doc);
+			retrieveNextCOinS(needFullItems, newItems, couldUseFullItems, doc);
 		});
 		search.setSearch(item);
 		
 		// look for translators
 		var translators = search.getTranslators();
-		if(translators) {
+		if(translators.length) {
 			search.setTranslator(translators);
 			search.translate();
 		} else {
-			retrieveNextCOinS(needFullItems, newItems, doc);
+			retrieveNextCOinS(needFullItems, newItems, couldUseFullItems, doc);
 		}
 	} else {
-		completeCOinS(newItems, doc);
+		completeCOinS(newItems, couldUseFullItems, doc);
 		Scholar.done(true);
 	}
 }
 
 // saves all COinS objects
-function completeCOinS(newItems, doc) {
+function completeCOinS(newItems, couldUseFullItems, doc) {
 	if(newItems.length > 1) {
 		var selectArray = new Array();
 		
@@ -2829,21 +2829,67 @@ function completeCOinS(newItems, doc) {
 			selectArray[i] = newItems[i].title;
 		}
 		selectArray = Scholar.selectItems(selectArray);
+		
+		var useIndices = new Array();
 		for(var i in selectArray) {
+			useIndices.push(i);
+		}
+		completeItems(newItems, useIndices, couldUseFullItems);
+	} else if(newItems.length) {
+		completeItems(newItems, [0], couldUseFullItems);
+	}
+}
+
+function completeItems(newItems, useIndices, couldUseFullItems, doc) {
+	if(!useIndices.length) {
+		return;
+	}
+	var i = useIndices.shift();
+	
+	// grab full item if requested
+	if(couldUseFullItems[i]) {
+		Scholar.Utilities.debug("looking up contextObject");
+		var search = Scholar.loadTranslator("search");
+		
+		var firstItem = false;
+		search.setHandler("itemDone", function(obj, newItem) {
+			if(!firstItem) {
+				// add doc as attachment
+				newItem.attachments.push({document:doc});
+				newItem.complete();
+				firstItem = true;
+			}
+		});
+		search.setHandler("done", function(obj) {
+			// call next
+			completeItems(newItems, useIndices, couldUseFullItems);
+		});
+		
+		search.setSearch(newItems[i]);			
+		var translators = search.getTranslators();
+		if(translators.length) {
+			search.setTranslator(translators);
+			search.translate();
+		} else {
 			// add doc as attachment
 			newItems[i].attachments.push({document:doc});
-			
 			newItems[i].complete();
+			// call next
+			completeItems(newItems, useIndices, couldUseFullItems);
 		}
-	} else if(newItems.length) {
-		newItems[0].attachments.push({document:doc});
-		newItems[0].complete();
+	} else {
+		// add doc as attachment
+		newItems[i].attachments.push({document:doc});
+		newItems[i].complete();
+		// call next
+		completeItems(newItems, useIndices, couldUseFullItems);
 	}
 }
 
 function doWeb(doc, url) {
 	var newItems = new Array();
 	var needFullItems = new Array();
+	var couldUseFullItems = new Array();
 	
 	var spanTags = doc.getElementsByTagName("span");
 	
@@ -2855,7 +2901,13 @@ function doWeb(doc, url) {
 				var spanTitle = spanTags[i].getAttribute("title");
 				var newItem = new Scholar.Item();
 				if(Scholar.Utilities.parseContextObject(spanTitle, newItem)) {
-					if(newItem.title && newItem.creators.length) {
+					if(newItem.title) {
+						if(!newItem.creators.length) {
+							// if we have a title but little other identifying
+							// information, say we''ll get full item later
+							couldUseFullItems[newItems.length] = true;
+						}
+						
 						// title and creators are minimum data to avoid looking up
 						newItems.push(newItem);
 					} else {
@@ -2868,12 +2920,13 @@ function doWeb(doc, url) {
 		}
 	}
 	
+	Scholar.Utilities.debug(needFullItems);
 	if(needFullItems.length) {
 		// retrieve full items asynchronously
 		Scholar.wait();
-		retrieveNextCOinS(needFullItems, newItems, doc);
+		retrieveNextCOinS(needFullItems, newItems, couldUseFullItems, doc);
 	} else {
-		completeCOinS(newItems, doc);
+		completeCOinS(newItems, couldUseFullItems, doc);
 	}
 }');