From 2d3a489f5171a8fe8b6b7aeb022c945a689d9f1a Mon Sep 17 00:00:00 2001
From: friendica <info@friendica.com>
Date: Wed, 21 Aug 2013 17:15:56 -0700
Subject: [PATCH] basic structure for premium channel implementation

---
 boot.php             |  7 ++-----
 install/database.sql |  4 ++++
 install/update.php   | 10 +++++++++-
 mod/connect.php      |  3 +++
 mod/zfinger.php      | 12 ++++++++++++
 5 files changed, 30 insertions(+), 6 deletions(-)
 create mode 100644 mod/connect.php

diff --git a/boot.php b/boot.php
index 2323e302c..eeddf8162 100755
--- a/boot.php
+++ b/boot.php
@@ -43,7 +43,7 @@ require_once('include/taxonomy.php');
 define ( 'RED_PLATFORM',            'Red Matrix' );
 define ( 'RED_VERSION',             trim(file_get_contents('version.inc')) . 'R');
 define ( 'ZOT_REVISION',            1     ); 
-define ( 'DB_UPDATE_VERSION',       1063  );
+define ( 'DB_UPDATE_VERSION',       1064  );
 
 define ( 'EOL',                    '<br />' . "\r\n"     );
 define ( 'ATOM_TIME',              'Y-m-d\TH:i:s\Z' );
@@ -190,13 +190,10 @@ define ( 'PAGE_HIDDEN',            0x0001 );
 define ( 'PAGE_AUTOCONNECT',       0x0002 );
 define ( 'PAGE_APPLICATION',       0x0004 );
 define ( 'PAGE_DIRECTORY_CHANNEL', 0x0008 ); // system channel used for directory synchronisation
+define ( 'PAGE_PREMIUM',           0x0010 );
 
 define ( 'PAGE_REMOVED',           0x8000 );
 
-//define ( 'PAGE_FREELOVE',          3 );
-//define ( 'PAGE_BLOG',              4 );
-//define ( 'PAGE_PRVGROUP',          5 );
-
 
 /**
  * Photo types
diff --git a/install/database.sql b/install/database.sql
index cefb081d1..dbffbf59b 100644
--- a/install/database.sql
+++ b/install/database.sql
@@ -926,6 +926,8 @@ CREATE TABLE IF NOT EXISTS `xchan` (
   `xchan_addr` char(255) NOT NULL DEFAULT '',
   `xchan_url` char(255) NOT NULL DEFAULT '',
   `xchan_connurl` char(255) NOT NULL DEFAULT '',
+  `xchan_follow` char(255) NOT NULL DEFAULT '',
+  `xchan_connpage` char(255) NOT NULL DEFAULT '',
   `xchan_name` char(255) NOT NULL DEFAULT '',
   `xchan_network` char(255) NOT NULL DEFAULT '',
   `xchan_instance_url` char(255) NOT NULL DEFAULT '',
@@ -940,6 +942,8 @@ CREATE TABLE IF NOT EXISTS `xchan` (
   KEY `xchan_url` (`xchan_url`),
   KEY `xchan_flags` (`xchan_flags`),
   KEY `xchan_connurl` (`xchan_connurl`),
+  KEY `xchan_follow` (`xchan_follow`),
+  KEY `xchan_connpage` (`xchan_connpage`),
   KEY `xchan_instance_url` (`xchan_instance_url`)
 ) ENGINE=MyISAM DEFAULT CHARSET=utf8;
 
diff --git a/install/update.php b/install/update.php
index c5eaa4f19..9beb25254 100644
--- a/install/update.php
+++ b/install/update.php
@@ -1,6 +1,6 @@
 <?php
 
-define( 'UPDATE_VERSION' , 1063 );
+define( 'UPDATE_VERSION' , 1064 );
 
 /**
  *
@@ -742,3 +742,11 @@ KEY `pelm_result` (`pelm_result`)
 	return UPDATE_FAILED;
 }
 
+function update_r1063() {
+	$r = q("ALTER TABLE `xchan` ADD `xchan_follow` CHAR( 255 ) NOT NULL DEFAULT '' AFTER `xchan_connurl` ,
+ADD `xchan_connpage` CHAR( 255 ) NOT NULL DEFAULT '' AFTER `xchan_follow` ,
+ADD INDEX ( `xchan_follow` ), ADD INDEX ( `xchan_connpage`) ");
+	if($r)
+		return UPDATE_SUCCESS;
+	return UPDATE_FAILED;
+}
diff --git a/mod/connect.php b/mod/connect.php
new file mode 100644
index 000000000..21d461c19
--- /dev/null
+++ b/mod/connect.php
@@ -0,0 +1,3 @@
+<?php /** @file */
+
+// Placeholder for channel sell pages
diff --git a/mod/zfinger.php b/mod/zfinger.php
index cf61233ad..d5b750537 100644
--- a/mod/zfinger.php
+++ b/mod/zfinger.php
@@ -71,6 +71,8 @@ function zfinger_init(&$a) {
 
 	$id = $e['channel_id'];
 
+	$special_channel = (($e['channel_pageflags'] & PAGE_PREMIUM) ? true : false);
+
 	$searchable = (($e['channel_pageflags'] & PAGE_HIDDEN) ? false : true);
 	if($e['xchan_flags'] & XCHAN_FLAGS_HIDDEN)
 		$searchable = false;
@@ -134,6 +136,16 @@ function zfinger_init(&$a) {
 	$ret['searchable']     = $searchable;
 
 
+	// premium or other channel desiring some contact with potential followers before connecting.
+	// This is a template - %s will be replaced with the follow_url we discover for the return channel.
+
+	if($special_channel) 
+		$ret['connect_url'] = z_root() . '/connect/' . $e['channel_address'] . '?f=&follow=%s';
+
+	// This is a template for our follow url, %s will be replaced with a webbie
+
+	$ret['follow_url'] = z_root() . '/follow?f=&url=%s';
+
 	$permissions = get_all_perms($e['channel_id'],(($ztarget && $zsig) 
 			? base64url_encode(hash('whirlpool',$ztarget . $zsig,true)) 
 			: '' ),false);