--- a/extension/modules/datastore.js	Tue May 13 19:04:14 2008 -0700
+++ b/extension/modules/datastore.js	Wed May 14 12:49:22 2008 -0700
@@ -48,6 +48,7 @@
           // FIXME: rename this "name"
           "title TEXT NOT NULL",
           "lastRefreshed INTEGER",
+          "importance INTEGER"
         ]
       },
 
@@ -118,10 +119,9 @@
       var statement = this.dbConnection.createStatement(aSQLString);
     }
     catch(ex) {
-      Cu.reportError("error creating statement " + aSQLString + ": " +
-                     this.dbConnection.lastError + " - " +
-                     this.dbConnection.lastErrorString);
-      throw ex;
+      throw("error creating statement " + aSQLString + " - " +
+            this.dbConnection.lastError + ": " +
+            this.dbConnection.lastErrorString + " - " + ex);
     }
 
     var wrappedStatement = Cc["@mozilla.org/storage/statement-wrapper;1"].

--- a/extension/modules/message.js	Tue May 13 19:04:14 2008 -0700
+++ b/extension/modules/message.js	Wed May 14 12:49:22 2008 -0700
@@ -80,7 +80,8 @@
 
   get _sourceStatement() {
     let statement = SnowlDatastore.createStatement(
-      "SELECT sources.id, sources.url, sources.title " +
+      "SELECT sources.id, sources.url, sources.title, sources.lastRefreshed, " +
+             "sources.importance " +
       "FROM messages JOIN sources ON messages.sourceID = sources.id " +
       "WHERE messages.id = :messageID"
     );
@@ -100,7 +101,9 @@
           // for every message.
           this._source = new SnowlSource(this._sourceStatement.row.id,
                                          this._sourceStatement.row.url,
-                                         this._sourceStatement.row.title);
+                                         this._sourceStatement.row.title,
+                                         new Date(this._sourceStatement.row.lastRefreshed),
+                                         this._sourceStatement.row.importance);
       }
 catch(ex) {
   dump(ex + "\n");

--- a/extension/modules/source.js	Tue May 13 19:04:14 2008 -0700
+++ b/extension/modules/source.js	Wed May 14 12:49:22 2008 -0700
@@ -5,15 +5,32 @@
 const Cr = Components.results;
 const Cu = Components.utils;
 
-function SnowlSource(aID, aURL, aTitle) {
+function SnowlSource(aID, aURL, aTitle, aLastRefreshed, aImportance) {
   this.id = aID;
   this.url = aURL;
   this.title = aTitle;
+  this.lastRefreshed = aLastRefreshed;
+  this.importance = aImportance;
 }
 
 SnowlSource.prototype = {
   id: null,
+
   // FIXME: make this an nsIURI.
+  // FIXME: differentiate between the machine representation of the source
+  // (the RSS/Atom feed file, the IMAP/POP server) and its human representation
+  // (the website publishing the feed, the web interface to the mail server)
+  // by providing two URLs, one for each representation.
   url: null,
-  title: null
+
+  // FIXME: rename this property to name.
+  title: null,
+
+  // A JavaScript Date object representing the last time this source was
+  // checked for updates to its set of messages.
+  lastRefreshed: null,
+
+  // An integer representing how important this source is to the user
+  // relative to other sources to which the user is subscribed.
+  importance: null
 };