add query condition support for pagination.

.gitignore

@@ -1,3 +1,4 @@
 *.sublime-*
 .DS_Store
 node_modules
+.idea

README.md

@@ -19,8 +19,8 @@ Any driver supported by ORM is supported by this plugin.
 ## Usage
 
 ```js
-Model.pages(cb)   // total pages
-Model.page(page)  // get page
+Model.pages([conditions, ]cb)   // total pages
+Model.page([conditions, ]page)  // get page
 ```
 
 ## Example
@@ -48,6 +48,14 @@ orm.connect("mysql://username:password@host/database", function (err, db) {
 			// should get you page 3, which means people from index 20 to 29 (ordered by name)
 		});
 	});
+
+	Person.pages({age: orm.gt(3)}, function(err, pages) {
+	    console.log("Total pages: %d", pages);
+
+        Person.page({age: orm.gt(3)}, 3).order("name").run(function (err, people) {
+            // should get you page 3, which means people who's age is greater than 3 from index 20 to 29 (ordered by name)
+        });
+	})
 });
 ```
 

lib/plugin.js

@@ -1,25 +1,39 @@
 module.exports = Plugin;
 
 function Plugin(db) {
-	return {
-		define: function (Model) {
-			Model.settings.set("pagination.perpage", 20);
+    return {
+        define: function (Model) {
+            Model.settings.set("pagination.perpage", 20);
 
-			Model.page = function (n) {
-				var perpage = Model.settings.get("pagination.perpage");
+            Model.page = function (conditions, n) {
+                if (arguments.length == 1) {
+                    n = conditions;
+                    conditions = {};
+                }
+                else {
+                    conditions = conditions || {};
+                }
+                var perpage = Model.settings.get("pagination.perpage");
 
-				return this.all().offset( (n - 1) * perpage ).limit(perpage);
-			};
+                return this.find(conditions).offset((n - 1) * perpage).limit(perpage);
+            };
 
-			Model.pages = function (cb) {
-				Model.count(function (err, count) {
-					if (err) {
-						return cb(err);
-					}
+            Model.pages = function (conditions, cb) {
+                if (arguments.length == 1) {
+                    cb = conditions;
+                    conditions = {};
+                }
+                else {
+                    conditions = conditions || {};
+                }
+                Model.count(conditions, function (err, count) {
+                    if (err) {
+                        return cb(err);
+                    }
 
-					return cb(null, Math.ceil(count / Model.settings.get("pagination.perpage")));
-				});
-			};
-		}
-	};
+                    return cb(null, Math.ceil(count / Model.settings.get("pagination.perpage")));
+                });
+            };
+        }
+    };
 }

package.json

@@ -6,7 +6,7 @@
     "orm",
     "pagination"
   ],
-  "version"     : "0.0.1",
+  "version"     : "0.0.2",
   "license"     : "MIT",
   "repository"  : "http://github.com/dresende/node-orm-paging.git",
   "main"        : "./lib/plugin",