implement DHT data cache

src/application/controller/api/image.php

@@ -1,21 +0,0 @@
-<?php
-
-if (isset($_GET['hash'])) {
-
-  $fileName = md5($_GET['hash']);
-  $filePath = PROJECT_DIR . '/cache/image/' . $fileName . '.jpeg';
-
-  if (!file_exists($filePath)) {
-
-    $icon  = new Icon();
-    $image = $icon->generateImageResource($fileName, 42, 42, false);
-
-    file_put_contents($filePath, $image);
-  }
-
-  $image = file_get_contents($filePath);
-
-  header("Content-Type: image/jpeg");
-
-  echo $image;
-}

src/application/controller/api/user/avatar.php

@@ -10,7 +10,15 @@ if (isset($_SESSION['userName'])) {
 
   $userName = isset($_GET['userName']) ? Filter::userName($_GET['userName']) : $_SESSION['userName'];
 
-  if ($avatarVersions = $_twister->getDHT($userName, 'avatar', 's')) {
+  if ($avatar = $_memcache->get('api.user.avatar.' . $userName)) {
+
+    $response = [
+      'success' => true,
+      'message' => _('Avatar successfully received from Cache'),
+      'avatar'  => $avatar
+    ];
+
+  } else if ($avatarVersions = $_twister->getDHT($userName, 'avatar', 's')) {
 
     // Check avatar exists
     if ($userId = $_modelUser->getUserId($userName)) {
@@ -36,10 +44,12 @@ if (isset($_SESSION['userName'])) {
 
       $response = [
         'success' => true,
-        'message' => _('Avatar successfully received'),
+        'message' => _('Avatar successfully received from DHT'),
         'avatar'  => $avatarInfo['data']
       ];
 
+      $_memcache->set('api.user.avatar.' . $userName, $avatarInfo['data'], MEMCACHE_COMPRESS, MEMCACHE_DHT_AVATAR_TIMEOUT);
+
     } else {
 
       $response = [
@@ -49,12 +59,26 @@ if (isset($_SESSION['userName'])) {
       ];
     }
 
+  // Generate identity icon
   } else {
 
+    $fileName = md5($userName);
+    $filePath = PROJECT_DIR . '/cache/image/' . $fileName . '.jpeg';
+
+    if (!file_exists($filePath)) {
+
+      $icon  = new Icon();
+      $image = $icon->generateImageResource($fileName, 42, 42, false);
+
+      file_put_contents($filePath, $image);
+    }
+
+    $image = file_get_contents($filePath);
+
     $response = [
-      'success' => false,
-      'message' => _('Could not receive avatar details'),
-      'avatar'  => false
+      'success' => true,
+      'message' => _('Avatar successfully received from Identity'),
+      'avatar'  => 'data:image/jpeg;base64,' . base64_encode($image)
     ];
 
   }

src/application/controller/api/user/profile.php

@@ -10,7 +10,15 @@ if (isset($_SESSION['userName'])) {
 
   $userName = isset($_GET['userName']) ? Filter::userName($_GET['userName']) : $_SESSION['userName'];
 
-  if ($userProfileVersions = $_twister->getDHT($userName, 'profile', 's')) {
+  if ($profile = $_memcache->get('api.user.profile.' . $userName)) {
+
+    $response = [
+      'success' => true,
+      'message' => _('Profile successfully received from Cache'),
+      'profile' => $profile
+    ];
+
+  } else if ($userProfileVersions = $_twister->getDHT($userName, 'profile', 's')) {
 
     // Check user exists
     if ($userId = $_modelUser->getUserId($userName)) {
@@ -43,20 +51,24 @@ if (isset($_SESSION['userName'])) {
     // Get latest version available
     if ($profileInfo = $_modelProfile->get($userId)) {
 
+      $profile = [
+        'userName'   => $userName,
+        'fullName'   => $profileInfo['fullName'],
+        'location'   => $profileInfo['location'],
+        'url'        => $profileInfo['url'],
+        'bitMessage' => $profileInfo['bitMessage'],
+        'tox'        => $profileInfo['tox'],
+        'bio'        => nl2br($profileInfo['bio']),
+      ];
+
       $response = [
         'success' => true,
-        'message' => _('Profile successfully received'),
-        'profile' => [
-          'userName'   => $userName,
-          'fullName'   => $profileInfo['fullName'],
-          'location'   => $profileInfo['location'],
-          'url'        => $profileInfo['url'],
-          'bitMessage' => $profileInfo['bitMessage'],
-          'tox'        => $profileInfo['tox'],
-          'bio'        => nl2br($profileInfo['bio']),
-        ]
+        'message' => _('Profile successfully received from DHT'),
+        'profile' => $profile
       ];
 
+      $_memcache->set('api.user.profile.' . $userName, $profile, MEMCACHE_COMPRESS, MEMCACHE_DHT_PROFILE_TIMEOUT);
+
     } else {
 
       $response = [

src/application/view/common/module/post.phtml

@@ -1,7 +1,7 @@
 <div class="modulePost" id="modulePost">
   <form action="/" method="POST" name="post">
     <div class="avatar">
-      <img src="<?php echo PROJECT_HOST ?>/api/image?hash=<?php echo $_SESSION['userName'] ?>" alt="" />
+      <img src="" alt="" />
     </div>
     <div class="message">
       <textarea name="post" placeholder="<?php echo _('Enter your post...') ?>"></textarea>

src/config-default.php

@@ -25,6 +25,9 @@ define('TWISTER_PASSWORD', '');
 // MEMCACHE
 define('MEMCACHE_HOST', 'localhost');
 define('MEMCACHE_PORT', 11211);
+define('MEMCACHE_COMPRESS', false);
+define('MEMCACHE_DHT_AVATAR_TIMEOUT', 3600);
+define('MEMCACHE_DHT_PROFILE_TIMEOUT', 3600);
 
 // COMMON
 define('APPLICATION_ALLOW_REGISTRATION', true);

src/public/css/template/default/module/feed.css

@@ -25,6 +25,7 @@
   border: 2px #fff solid;
   width: 46px;
   height: 46px;
+  display: none
 }
 
 .moduleFeed .item .message {

src/public/css/template/default/module/following.css

@@ -32,6 +32,7 @@
   border: 2px #fff solid;
   width: 16px;
   height: 16px;
+  display: none
 }
 
 .moduleFollowing .item .action {

src/public/css/template/default/module/post.css

@@ -17,6 +17,7 @@
   border: 2px #fff solid;
   width: 46px;
   height: 46px;
+  display: none
 }
 
 .modulePost .message {

src/public/js/module/feed.js

@@ -38,7 +38,7 @@ var ModuleFeed = {
                   'href': 'people/' + userName
                 }).append(
                   $('<img/>', {
-                    'src': '/api/image?hash=' + userName,
+                    'src': '',
                     'alt': '',
                   })
                 )
@@ -83,7 +83,7 @@ var ModuleFeed = {
         if (response.success) {
 
           if (response.avatar) {
-            $(feed).find('div[data-username="' + userName + '"] .avatar img').attr('src', response.avatar);
+            $(feed).find('div[data-username="' + userName + '"] .avatar img').attr('src', response.avatar).show();
           }
 
         } else {

src/public/js/module/following.js

@@ -15,7 +15,7 @@ var ModuleFollowing = {
                   'href': 'people/' + userName
                 }).append(
                   $('<img/>', {
-                    'src': '/api/image?hash=' + userName,
+                    'src': '',
                     'alt': '',
                   })
                 )
@@ -94,7 +94,7 @@ var ModuleFollowing = {
         }
       },
       error: function(jqXHR, textStatus, errorThrown) {
-         console.log(textStatus, errorThrown);
+        console.log(textStatus, errorThrown);
       }
     });
   },
@@ -110,7 +110,7 @@ var ModuleFollowing = {
         if (response.success) {
 
           if (response.avatar) {
-            $(list).find('div[data-username="' + userName + '"] .avatar img').attr('src', response.avatar);
+            $(list).find('div[data-username="' + userName + '"] .avatar img').attr('src', response.avatar).show();
           }
 
         } else {
@@ -120,7 +120,7 @@ var ModuleFollowing = {
         }
       },
       error: function(jqXHR, textStatus, errorThrown) {
-         console.log(textStatus, errorThrown);
+        console.log(textStatus, errorThrown);
       }
     });
   },
@@ -149,7 +149,7 @@ var ModuleFollowing = {
         }
       },
       error: function(jqXHR, textStatus, errorThrown) {
-         console.log(textStatus, errorThrown);
+        console.log(textStatus, errorThrown);
       }
     });
   },
@@ -176,7 +176,7 @@ var ModuleFollowing = {
         }
       },
       error: function(jqXHR, textStatus, errorThrown) {
-         console.log(textStatus, errorThrown);
+        console.log(textStatus, errorThrown);
       }
     });
   },

src/public/js/module/post.js

@@ -11,7 +11,7 @@ var ModulePost = {
         if (response.success) {
 
           if (response.avatar) {
-            $(element).find('img').attr('src', response.avatar);
+            $(element).find('img').attr('src', response.avatar).show();
           }
 
         } else {
@@ -27,7 +27,7 @@ var ModulePost = {
   },
   add: function() {
 
-    var input  = $('#modulePost > .message > textarea');
+    var input = $('#modulePost > .message > textarea');
 
     $.ajax({
       url: 'api/post/add',

src/public/js/module/users.js

@@ -14,7 +14,7 @@ var ModuleUsers = {
                   'href': 'people/' + userName
                 }).append(
                   $('<img/>', {
-                    'src': '/api/image?hash=' + userName,
+                    'src': '',
                     'alt': '',
                   })
                 )