From a2ca84770dd9230c1c6d4e2f08b0d3638604d99a Mon Sep 17 00:00:00 2001
From: Chip Black <bytex64@bytex64.net>
Date: Mon, 28 Feb 2011 23:12:47 -0800
Subject: [PATCH] Finish subscription functionality, start cleaning up the
 pager

---
 www/index.html  |  13 ++--
 www/js/blerg.js | 170 ++++++++++++++++++++++++++++++++++--------------
 2 files changed, 128 insertions(+), 55 deletions(-)

diff --git a/www/index.html b/www/index.html
index 0d44a66..04042a3 100644
--- a/www/index.html
+++ b/www/index.html
@@ -21,8 +21,8 @@
     <h2><span name="section">Welcome</span></h2>
     <div id="usercontrols" style="display:none">
       <a href="#" name="user.reflink">[chatter]</a>
-      <a href="#" name="user.obsesslink" onclick="obsess(); return false" style="display: none">[obsess]</a>
-      <a href="#" name="user.unobsesslink" onclick="unobsess(); return false" style="display: none">[stop obsessing]</a>
+      <a href="#" name="user.subscribelink" onclick="subscribe(); return false" style="display: none">[stalk]</a>
+      <a href="#" name="user.unsubscribelink" onclick="unsubscribe(); return false" style="display: none">[stop stalking]</a>
     </div>
   </div>
   <div id="controls">
@@ -33,9 +33,10 @@
       <p style="font-size: large"><a href="#" onclick="$('welcome').hide(); $('items').hide(); $('post').hide(); $('signup').show(); return false;">I want to blërg!</a></p>
     </form>
     <div id="logout" style="display: none">
-      Hello, <a href="#" id="userlink"></a>. <a href="#" onclick="loginStatus.logout(); return false">logout</a><br>
+      Hello, <a href="#" id="userlink" onclick="return qlink()"></a>. <a href="#" onclick="loginStatus.logout(); return false">logout</a><br>
       <a href="#" onclick="postPopup(); return false">Write new entry</a><br>
-      <a href="#" id="reflink">Chatter about me</a>
+      <a href="#" id="reflink" onclick="return qlink()">Chatter about me</a><br>
+      <a href="/#/feed" onclick="return qlink()">Stalk your victims</a>
     </div>
     <div id="rss" style="display:none"><a id="rsslink" href=""><img src="/images/rss.png" width="16" height="16"> RSS</a></div>
   </div>
@@ -126,8 +127,8 @@
   </div>
 
   <div id="navigation">
-    <a id="newer_link" href="#" onclick="newer_page(); return false" style="display:none">&lt;&lt; newer</a>
-    <a id="older_link" href="#" onclick="older_page(); return false" style="display:none">older &gt;&gt;</a>
+    <a id="newer_link" href="#" onclick="return qlink()" style="display:none">&lt;&lt; newer</a>
+    <a id="older_link" href="#" onclick="return qlink()" style="display:none">older &gt;&gt;</a>
   </div>
 
   <div id="signup" style="display:none">
diff --git a/www/js/blerg.js b/www/js/blerg.js
index 9f92594..9b1db74 100644
--- a/www/js/blerg.js
+++ b/www/js/blerg.js
@@ -8,10 +8,10 @@ var recordTemplate = new Template(
     '<div class="record">#{data}<div class="info">Posted #{date}</div></div>'
 );
 var tagRecordTemplate = new Template(
-    '<div class="record">#{data}<div class="info">Posted by <a class="author ref" href="/\##{author}">@#{author}</a> on #{date}</div></div>'
+    '<div class="record">#{data}<div class="info">Posted by <a class="author ref" href="/\##{author}" onclick="return qlink()">@#{author}</a> on #{date}</div></div>'
 );
 var latestRecordsTemplate = new Template(
-    '<div class="record"><a class="author ref" href="/\##{author}">@#{author}</a> #{data}</div>'
+    '<div class="record"><a class="author ref" href="/\##{author}" onclick="return qlink()">@#{author}</a> #{data}</div>'
 );
 
 // Page elements
@@ -82,7 +82,7 @@ LoginStatus.prototype.update = function() {
     if (this.loggedIn) {
         $('userlink').href = '/#' + this.username;
         $('userlink').update('@' + this.username);
-        $('reflink').href = '/#ref/' + this.username;
+        $('reflink').href = '/#/ref/' + this.username;
         $('login').hide();
         $('logout').show();
     } else {
@@ -108,8 +108,7 @@ LoginStatus.prototype.post = function(msg) {
             if (j && j.status == 'success') {
                 $('post.content').value = '';
                 if (location.hash != '#' + this.username) {
-                    location.href = '/#' + this.username;
-                    hashSwitch();
+                    qlink(this.username);
                 } else {
                     currentPager.itemCount++;
                     currentPager.pageStart = null;
@@ -138,15 +137,13 @@ Pager.prototype.initPager = function() {
 
 Pager.prototype.olderPage = function() {
     if (this.pageStart >= this.itemsPerPage) {
-        this.pageStart -= this.itemsPerPage;
-        this.displayItems();
+        qlink(this.baseFrag + '/p' + (this.pageStart - this.itemsPerPage));
     }
 }
 
 Pager.prototype.newerPage = function() {
     if (this.pageStart + this.itemsPerPage < this.itemCount) {
-        this.pageStart += this.itemsPerPage;
-        this.displayItems();
+        qlink(this.baseFrag + '/p' + (this.pageStart + this.itemsPerPage));
     }
 }
 
@@ -171,15 +168,32 @@ Pager.prototype.displayItems = function() {
         items.insert("There doesn't seem to be anything here!");
     }
 
-    if (this.pageStart < this.itemCount - 1)
+    if (this.pageStart < this.itemCount - 1) {
+        $('newer_link').href = '/#' + this.baseFrag + '/p' + (this.pageStart + this.itemsPerPage);
         $('newer_link').show();
-    else
+    } else {
         $('newer_link').hide();
+    }
 
-    if (this.pageStart >= 10)
+    if (this.pageStart >= 10) {
+        $('older_link').href = '/#' + this.baseFrag + '/p' + (this.pageStart - this.itemsPerPage);
         $('older_link').show();
-    else
+    } else {
         $('older_link').hide();
+    }
+}
+
+Pager.prototype.showPageAt = function(r) {
+    if (this.itemCache[r] && this.itemCache[r - 9]) {
+        this.pageStart = r;
+        this.displayItems();
+    } else {
+        this.loadItems((r >= 49 ? r - 49 : 0), r);
+    }
+}
+
+Pager.prototype.showRecord = function(r) {
+    this.showPageAt(r);
 }
 
 
@@ -187,9 +201,10 @@ Pager.prototype.displayItems = function() {
 function User(username) {
     this.initPager();
     this.username = username;
+    this.baseFrag = username;
 
-    $$('[name=user.obsesslink]').each(Element.hide);
-    $$('[name=user.unobsesslink]').each(Element.hide);
+    $$('[name=user.subscribelink]').each(Element.hide);
+    $$('[name=user.unsubscribelink]').each(Element.hide);
 
     if (loginStatus.loggedIn) {
         new Ajax.Request(baseURL + '/feedinfo/' + username, {
@@ -200,11 +215,11 @@ function User(username) {
             onSuccess: function(r) {
                 var json = r.responseText.evalJSON();
                 if (json.subscribed) {
-                    $$('[name=user.obsesslink]').each(Element.hide);
-                    $$('[name=user.unobsesslink]').each(Element.show);
+                    $$('[name=user.subscribelink]').each(Element.hide);
+                    $$('[name=user.unsubscribelink]').each(Element.show);
                 } else {
-                    $$('[name=user.obsesslink]').each(Element.show);
-                    $$('[name=user.unobsesslink]').each(Element.hide);
+                    $$('[name=user.subscribelink]').each(Element.show);
+                    $$('[name=user.unsubscribelink]').each(Element.hide);
                 }
             }
         });
@@ -231,7 +246,7 @@ User.prototype.show = function() {
     $('rss').show();
     $('rsslink').href = '/rss/' + this.username;
     $$('[name=user.reflink]').each(function(e) {
-        e.href = '/#ref/' + this.username;
+        e.href = '/#/ref/' + this.username;
     }.bind(this));
     $('usercontrols').show();
 }
@@ -333,8 +348,8 @@ function mangleRecord(record, template) {
         l = l.replace(/(\s)\*([^*]+)\*(\s)/g, '$1<i>$2</i>$3');
 
         // Turn refs and tags into links
-        l = l.replace(/(\s|^)#([A-Za-z0-9_-]+)/g, '$1<a href="#tag/$2" class="ref">#$2</a>');
-        l = l.replace(/(\s|^)@([A-Za-z0-9_-]+)/g, '$1<a href="#$2" class="ref">@$2</a>');
+        l = l.replace(/(\s|^)#([A-Za-z0-9_-]+)/g, '$1<a href="#/tag/$2" class="ref" onclick="return qlink()">#$2</a>');
+        l = l.replace(/(\s|^)@([A-Za-z0-9_-]+)/g, '$1<a href="#$2" class="ref" onclick="return qlink()">@$2</a>');
 
         out.push(l);
         if (endpush) {
@@ -368,9 +383,11 @@ function Tag(type, tag) {
     case 'tag':
         //url += '%23';
         url += 'H';  // apache is eating the hash, even encoded.  Probably a security feature.
+        this.baseFrag = '/tag/' + tag;
         break;
     case 'ref':
         url += '%40';
+        this.baseFrag = '/ref/' + tag;
         break;
     default:
         alert('Invalid tag type: ' + type);
@@ -417,6 +434,52 @@ Tag.prototype.show = function() {
     $('usercontrols').hide();
 }
 
+
+// Pager for browsing subscription feeds
+function Feed() {
+    this.initPager();
+    this.baseFrag = '/feed';
+
+    new Ajax.Request(baseURL + '/feed', {
+        method: 'post',
+        parameters: {
+            username: loginStatus.username
+        },
+        onSuccess: function(r) {
+            var response = r.responseText.evalJSON();
+            if (response) {
+                var maxid = response.length - 1;
+                response.each(function(v, i) {
+                    v.id = maxid - i;
+                    mangleRecord(v, tagRecordTemplate)
+                });
+                this.addItems(response);
+                this.pageStart = response.length - 1;
+            }
+            this.displayItems();
+        }.bind(this),
+        onFailure: function(r) {
+            this.displayItems();
+        }.bind(this)
+    });
+}
+Feed.prototype = new Pager();
+Feed.prototype.constructor = Feed;
+
+Feed.prototype.show = function() {
+    $$('[name=section]').each(function(v) {
+        v.update(' ' + loginStatus.username + "'s spycam");
+    }.bind(this));
+    $('welcome').hide();
+    $('post').hide();
+    $('older_link').hide();
+    $('newer_link').hide();
+    $('rss').hide();
+    items.show();
+    $('usercontrols').hide();
+}
+
+
 function postPopup() {
     if (loginStatus.loggedIn) {
         var post = $('post');
@@ -443,8 +506,7 @@ function signup() {
         },
         onSuccess: function(r) {
             $('signup').hide();
-            location.href = '/#' + username;
-            hashSwitch();
+            qlink(username);
 
             loginStatus.login(username, password);
         },
@@ -459,17 +521,7 @@ function signup_cancel() {
     hashSwitch();
 }
 
-function newer_page() {
-    if (currentPager)
-        currentPager.newerPage();
-}
-
-function older_page() {
-    if (currentPager)
-        currentPager.olderPage();
-}
-
-function obsess() {
+function subscribe() {
     new Ajax.Request(baseURL + '/subscribe/' + currentPager.username, {
         method: 'post',
         parameters: {
@@ -479,19 +531,19 @@ function obsess() {
             var response = r.responseText.evalJSON();
             if (response.status == 'success') {
                 alert("You call " + currentPager.username + " and begin breathing heavily into the handset.");
-                $$('[name=user.obsesslink]').each(Element.hide);
-                $$('[name=user.unobsesslink]').each(Element.show);
+                $$('[name=user.subscribelink]').each(Element.hide);
+                $$('[name=user.unsubscribelink]').each(Element.show);
             } else {
-                alert('Failed to obsess. This is probably for the best');
+                alert('Failed to subscribe. This is probably for the best');
             }
         },
         onFailure: function(r) {
-            alert('Failed to obsess. This is probably for the best');
+            alert('Failed to subscribe. This is probably for the best');
         }
     });
 }
 
-function unobsess() {
+function unsubscribe() {
     new Ajax.Request(baseURL + '/unsubscribe/' + currentPager.username, {
         method: 'post',
         parameters: {
@@ -501,8 +553,8 @@ function unobsess() {
             var response = r.responseText.evalJSON();
             if (response.status == 'success') {
                 alert("You come to your senses.");
-                $$('[name=user.obsesslink]').each(Element.show);
-                $$('[name=user.unobsesslink]').each(Element.hide);
+                $$('[name=user.subscribelink]').each(Element.show);
+                $$('[name=user.unsubscribelink]').each(Element.hide);
             } else {
                 alert('You are unable to tear yourself away (because something failed on the server)');
             }
@@ -587,8 +639,9 @@ function loadLatest() {
 
             $('latest-tags').update();
             j.tags.each(function(v) {
-                var a = new Element('a', {href: '/#tag/' + v});
+                var a = new Element('a', {href: '/#/tag/' + v});
                 a.insert('#' + v);
+                a.onclick = qlink;
                 a.className = 'ref';
                 $('latest-tags').insert(a);
                 $('latest-tags').appendChild(document.createTextNode(' '));
@@ -606,16 +659,36 @@ function loadLatest() {
     });
 }
 
+function qlink(loc) {
+    if (loc) {
+        location.hash = loc;
+    } else if (this.href) {
+        location.hash = this.href;
+    } else {
+        // Bogus qlink
+        return;
+    }
+    hashSwitch();
+    return false;
+}
+
 function hashSwitch() {
     var m;
     stopTicker();
     if (m = location.search.match(/^\?post\/([^/]+)\/(.+)/)) {
         $('post').show();
         $('post.content').value = '[' + decodeURIComponent(m[1]).replace(']','').replace('[','') + '](' + decodeURIComponent(m[2]) + ')';
-    } else if (m = location.hash.match(/^#(ref|tag)\/([A-Za-z0-9_-]+)$/)) {
+    } else if (m = location.hash.match(/^#\/(ref|tag)\/([A-Za-z0-9_-]+)$/)) {
         currentPager = new Tag(m[1], m[2]);
         currentPager.show();
-    } else if (m = location.hash.match(/^#([A-Za-z0-9_-]+)(:(\d+))?$/)) {
+    } else if (m = location.hash.match(/^#\/feed/)) {
+        if (loginStatus.loggedIn) {
+            currentPager = new Feed();
+            currentPager.show();
+        } else {
+            location.href = baseURL;
+        }
+    } else if (m = location.hash.match(/^#([A-Za-z0-9_-]+)(?:\/(p)?(\d+))?$/)) {
         if (!currentPager || currentPager.username != m[1])
             currentPager = new User(m[1]);
         currentPager.show();
@@ -623,11 +696,10 @@ function hashSwitch() {
 
         if (m[3]) {
             var r = parseInt(m[3]);
-            currentPager.showRecord = r;
-            if (currentPager.itemCache[r]) {
-                currentPager.displayItems();
+            if (m[2] == 'p') {
+                currentPager.showPageAt(r);
             } else {
-                currentPager.loadItems((r >= 49 ? r - 49 : 0), r);
+                currentPager.showRecord(r);
             }
         } else {
             currentPager.pageStart = currentPager.itemCount - 1;
-- 
2.25.1