From 21d213dcff1367c16dc0c3f6585b8e35d7c2f0c7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ale=C5=A1=20Smodi=C5=A1?= <aless@guru.si>
Date: Mon, 24 Aug 2015 19:17:43 +0200
Subject: Introduced the Q promises library, created a basic login page to test
 prolog examples, and started tying the terminal and editor activity to the
 REST services.

---
 js/codeq/login.js | 183 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 183 insertions(+)
 create mode 100644 js/codeq/login.js

(limited to 'js/codeq/login.js')

diff --git a/js/codeq/login.js b/js/codeq/login.js
new file mode 100644
index 0000000..d449835
--- /dev/null
+++ b/js/codeq/login.js
@@ -0,0 +1,183 @@
+(function(){
+    var groups = {
+        'family_relations': {
+            'name': 'Family relations',
+            'problems': [
+                {'id': 'ancestor_2', 'name': 'ancestor/2'},
+                {'id': 'aunt_2', 'name': 'aunt/2'},
+                {'id': 'brother_2', 'name': 'brother/2'},
+                {'id': 'connected_3', 'name': 'connected/3'},
+                {'id': 'cousin_2', 'name': 'cousin/2'}
+            ]
+        },
+        'lists': {
+            'name': 'Lists',
+            'problems': [
+                {'id': '', 'name': ''},
+                {'id': '', 'name': ''},
+                {'id': '', 'name': ''},
+                {'id': '', 'name': ''},
+                {'id': '', 'name': ''}
+            ]
+        },
+        'sorting': {
+            'name': 'Sorting',
+            'problems': [
+                {'id': '', 'name': ''},
+                {'id': '', 'name': ''},
+                {'id': '', 'name': ''},
+                {'id': '', 'name': ''},
+                {'id': '', 'name': ''}
+            ]
+        },
+        'other': {
+            'name': 'Other',
+            'problems': [
+                {'id': '', 'name': ''},
+                {'id': '', 'name': ''},
+                {'id': '', 'name': ''},
+                {'id': '', 'name': ''},
+                {'id': '', 'name': ''}
+            ]
+        },
+        'sets': {
+            'name': 'Sets',
+            'problems': [
+                {'id': '', 'name': ''},
+                {'id': '', 'name': ''},
+                {'id': '', 'name': ''},
+                {'id': '', 'name': ''},
+                {'id': '', 'name': ''}
+            ]
+        },
+        'trees': {
+            'name': 'Trees',
+            'problems': [
+                {'id': '', 'name': ''},
+                {'id': '', 'name': ''},
+                {'id': '', 'name': ''},
+                {'id': '', 'name': ''},
+                {'id': '', 'name': ''}
+            ]
+        },
+        'license_plates': {
+            'name': 'License plates',
+        },
+        'clp_fd': {
+            'name': 'CLP(FD',
+            'problems': [
+                {'id': 'gcd_3', 'name': 'gcd/3'},
+                {'id': 'magic_1', 'name': 'magic/1'},
+                {'id': 'puzzle_abc_3', 'name': 'puzzle_abc/3'},
+                {'id': 'puzzle_beth_1', 'name': 'puzzle_beth/1'},
+                {'id': 'puzzle_momson_2', 'name': 'puzzle_momson/2'},
+                {'id': 'puzzle_ratio_2', 'name': 'puzzle_ratio/2'},
+                {'id': 'tobase_3', 'name': 'tobase/3'}
+            ]
+        },
+        'clp_r': {
+            'name': 'CLP(R)',
+            'problems': [
+                {'id': 'bounding_box_3', 'name': 'bounding_box/3'},
+                {'id': 'center_3', 'name': 'center/3'},
+                {'id': 'linear_opts_3', 'name': 'linear_opts/3'},
+                {'id': 'max_sum_2', 'name': 'max_sum/2'},
+                {'id': 'megabytes_2', 'name': 'megabytes/2'},
+                {'id': 'turkey_3', 'name': 'turkey/3'}
+            ]
+        },
+        'dcg': {
+            'name': 'DCG',
+            'problems': [
+                {'id': 'ab_2', 'name': 'ab/2'},
+                {'id': 'digit_2', 'name': 'digit/2'},
+                {'id': 'expr_2', 'name': 'expr/2'},
+                {'id': 'expr_3', 'name': 'expr/3'},
+                {'id': 'flower_2', 'name': 'flower/2'}
+            ]
+        },
+        'denotational_semantics': {
+            'name': 'Denotational semantics',
+            'problems': [
+                {'id': 'algol_3', 'name': 'algol/3'},
+                {'id': 'algol_for_3', 'name': 'algol_for/3'},
+                {'id': 'algol_if_3', 'name': 'algol_if/3'},
+                {'id': 'prog_8puzzle_2', 'name': 'prog_8puzzle/2'},
+                {'id': 'prog_8puzzle_3', 'name': 'prog_8puzzle/3'}
+            ]
+        },
+        'old_exams': {
+            'name': 'Old exams',
+            'problems': [
+                {'id': '', 'name': ''},
+                {'id': '', 'name': ''},
+                {'id': '', 'name': ''},
+                {'id': '', 'name': ''},
+                {'id': '', 'name': ''}
+            ]
+        }
+    };
+
+    $("#submit").on('click', function () {
+        var group = $('#problem_group').val(),
+            problem = $('#problems').val();
+        if (!group) alert('Choose a problem group');
+        else if (!problem) alert('Choose a problem');
+        else {
+            $.ajax({
+                'type': 'POST',
+                'url': '/codeq/login',
+                'accepts': 'application/json',
+                'contentType': 'application/json; charset=UTF-8',
+                'data': JSON.stringify({
+                    'username': $('#username').val(),
+                    'password': $('#password').val()
+                }),
+                'processData': false,
+                'dataType': 'json',
+                'error': function loginErrorHandler(jqXHR, textStatus, errorThrown) {
+                    alert('Request for login failed: ' + (errorThrown || textStatus));
+                },
+                'success': function loginSuccessHandler(data, textStatus, jqXHR) {
+                    if (data && (data.code === 0)) {
+                        window.location = 'prolog.html#sid=' + data.sid + '/grp=' + group + '/prb=' + problem;
+                    }
+                    else {
+                        alert('Login failed: code=' + data.code + ', reason=' + data.message);
+                    }
+                }
+            });
+        }
+    });
+
+    $(document).ready(function () {
+        var jqGroup = $('#problem_group'),
+            jqProblems = $('#problems'),
+            id, g, first_group, html = [];
+
+        for (id in groups) {
+            g = groups[id];
+            html.push('<option value="', id, '">', g.name, '</option>\n');
+        }
+        jqGroup.html(html.join(''));
+        first_group = html[1];
+        html = null;
+
+        jqGroup.on('click', function () {
+            var g = groups[jqGroup.val()],
+                html = [],
+                problems, i, p;
+            if (g) {
+                problems = g.problems;
+                for (i = 0; i < problems.length; i++) {
+                    p = problems[i];
+                    if (!p.id) continue;
+                    html.push('<option value="', p.id, '">', p.name, '</option>\n')
+                }
+            }
+            jqProblems.html(html.join(''));
+        });
+
+        jqGroup.val(first_group);
+    });
+})();
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