Adds unit test framework and a first unit test.

[quanweb.git] / js / BooksModel.js

diff --git a/js/BooksModel.js b/js/BooksModel.js
deleted file mode 100644 (file)
index 75e0651..0000000
--- a/js/BooksModel.js
+++ /dev/null
@@ -1,96 +0,0 @@
-// ==========
-// BooksModel
-
-var BooksModel = (function() {
-    
-    var my = {};
-    
-    // =================
-    // Private variables
-    
-    var listeners = [];
-    
-    // ================
-    // Public variables
-    
-    my.cache = [];
-    my.count = 0,
-    my.first = 0,
-    my.ids = [],
-    my.last = (-1),
-    my.map = {},    // map from book.Id to index into cache[]
-    my.pageSize = 20;
-
-    // ==============
-    // Public methods
-    
-    my.adjustPos = function(setting) {
-
-        var value = parseInt(setting);
-
-        var prev = {
-            first: my.first,
-            last: my.last,
-        };
-        
-        var maxFirst = Math.max(0, my.count - my.pageSize);
-        
-        if (value < 0) {
-            my.first = 0;
-        } else if (value > maxFirst) {
-            my.first = maxFirst;
-        } else {
-            my.first = value;
-        }
-    
-        my.last = my.first + my.pageSize - 1;
-        if (my.last >= my.count) {
-            my.last = my.count - 1;
-        }
-        
-        if (prev.first !== my.first || prev.last !== my.last) {
-            my.refreshData();
-        }
-    };
-    
-    my.listen = function(subscriber) {
-        listeners.push(subscriber);
-    };
-    
-    my.refreshData = function () {
-        var i;
-        var url = '/info/?ids=';
-        my.map = {};
-        for (i = my.first; i <= my.last; ++i) {
-            if (i > my.first) {
-                url += ',';
-            }
-            var id = my.ids[i];
-            url += id;
-            my.map[id] = i - my.first;
-        }
-
-        fetch(url, {method:'GET', cache:'default'})
-            .then(function(response) {return response.json();})
-            .then(function(jsonValue) {
-                my.cache = jsonValue;
-                notifyAll();    // inform all subscribers that the model has been updated
-            })
-            .catch(function(err) {
-                var msg = 'Error fetching book details via URL:  ' + url + ': ' + err;
-                console.log(msg, err.stack);
-                report(msg);
-            });
-    };
-    
-    // ===============
-    // Private methods
-    
-    function notifyAll() {
-        for (var i in listeners) {
-            listeners[i].notify();
-        }
-    }
-    
-    return my;
-})();