Extended itemCreators primary key to include orderIndex and removed artificial restriction on adding the same creator/creatorType more than once for the same source -- who knows, maybe they just have the same name...

Properly ignore firstName for institutional creators in Item.setCreator() and Item.creatorExists() (which is now unused)

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

@@ -228,7 +228,7 @@ Scholar.Item.prototype.setCreator = function(orderIndex, firstName, lastName, cr
 		this._loadCreators();
 	}
 	
-	if (!firstName){
+	if (isInstitution || !firstName){
 		firstName = '';
 	}
 	
@@ -287,11 +287,23 @@ Scholar.Item.prototype.removeCreator = function(orderIndex){
 }
 
 
+// Currently unused
 Scholar.Item.prototype.creatorExists = function(firstName, lastName, creatorTypeID, isInstitution, skipIndex){
+	if (isInstitution || !firstName){
+		firstName = '';
+	}
+	
+	if (!lastName){
+		lastName = '';
+	}
+	
+	isInstitution = !!isInstitution;
+	
 	for (var j=0, len=this.numCreators(); j<len; j++){
 		if (typeof skipIndex!='undefined' && skipIndex==j){
 			continue;
 		}
+		
 		var creator2 = this.getCreator(j);
 		
 		if (firstName==creator2['firstName'] &&
@@ -441,16 +453,6 @@ Scholar.Item.prototype.save = function(){
 			// Creators
 			//
 			if (this._changedCreators.length){
-				for (var i=0, len=this.numCreators(); i<len; i++){
-					var creator = this.getCreator(i);
-					if (this.creatorExists(creator['firstName'],
-							creator['lastName'], creator['creatorTypeID'],
-							creator['isInstitution'], i)){
-						throw('Cannot add duplicate creator/creatorType '
-							+ 'to item ' + this.getID());
-					}
-				}
-				
 				for (orderIndex in this._changedCreators.items){
 					Scholar.debug('Creator ' + orderIndex + ' has changed', 4);
 					
@@ -493,43 +495,20 @@ Scholar.Item.prototype.save = function(){
 						+ ' AND creatorID=' + creatorID
 						+ ' AND creatorTypeID=' + creator['creatorTypeID'];
 						
-					// If this creator and creatorType exists elsewhere, move it
+					sql = "INSERT INTO itemCreators VALUES (?,?,?,?)";
-					if (Scholar.DB.valueQuery(sql2)){
-						Scholar.History.modify('itemCreators',
-							'itemID-creatorID-creatorTypeID',
-							[this.getID(), creatorID, creator['creatorTypeID']]);
 					
-						sql = 'UPDATE itemCreators SET orderIndex=? '
+					sqlValues = [
-							+ "WHERE itemID=? AND creatorID=? AND "
+						{'int':itemID},
-							+ "creatorTypeID=?";
+						{'int':creatorID},
+						{'int':creator['creatorTypeID']},
+						{'int':orderIndex}
+					];
 					
-						sqlValues = [
+					Scholar.DB.query(sql, sqlValues);
-							{'int':orderIndex},
-							{'int':this.getID()},
-							{'int':creatorID},
-							{'int':creator['creatorTypeID']}
-						];
 					
-						Scholar.DB.query(sql, sqlValues);
+					Scholar.History.add('itemCreators',
-					}
+						'itemID-creatorID-creatorTypeID',
-					
+						[this.getID(), creatorID, creator['creatorTypeID']]);
-					// Otherwise insert
-					else {
-						sql = "INSERT INTO itemCreators VALUES (?,?,?,?)";
-						
-						sqlValues = [
-							{'int':itemID},
-							{'int':creatorID},
-							{'int':creator['creatorTypeID']},
-							{'int':orderIndex}
-						];
-						
-						Scholar.DB.query(sql, sqlValues);
-						
-						Scholar.History.add('itemCreators',
-							'itemID-creatorID-creatorTypeID',
-							[this.getID(), creatorID, creator['creatorTypeID']]);
-					}
 				}
 				
 				// Delete obsolete creators

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

@@ -391,7 +391,7 @@ Scholar.Schema = new function(){
 		//
 		// Change this value to match the schema version
 		//
-		var toVersion = 37;
+		var toVersion = 38;
 		
 		if (toVersion != _getSchemaSQLVersion()){
 			throw('Schema version does not match version in _migrateSchema()');
@@ -415,7 +415,7 @@ Scholar.Schema = new function(){
 				}
 			}
 			
-			if (i==37){
+			if (i==38){
 				_initializeSchema();
 			}
 		}

schema.sql

@@ -1,4 +1,4 @@
--- 37
+-- 38
 
     DROP TABLE IF EXISTS version;
     CREATE TABLE version (
@@ -180,7 +180,7 @@
         creatorID INT,
         creatorTypeID INT DEFAULT 1,
         orderIndex INT DEFAULT 0,
-        PRIMARY KEY (itemID, creatorID, creatorTypeID),
+        PRIMARY KEY (itemID, creatorID, creatorTypeID, orderIndex),
         FOREIGN KEY (itemID) REFERENCES items(itemID),
         FOREIGN KEY (creatorID) REFERENCES creators(creatorID)
         FOREIGN KEY (creatorTypeID) REFERENCES creatorTypes(creatorTypeID)