[gravatar] Add addon config

- Update mentions to .htconfig.php

gravatar/README.md

@@ -30,13 +30,15 @@ Gravatar lets users self-rate their images to be used at appropriate audiences.
 See more information at [Gravatar][1].
 
 ## Alternative Configuration
-Open the .htconfig.php file and add "gravatar" to the list of activated addons:
+Open the config/local.ini.php file and add "gravatar" to the list of activated addons:
 
-        $a->config['system']['addon'] = "..., gravatar";
+        [system]
+		addon = ...,gravatar
 
 You can add two configuration variables for the addon:
 
-        $a->config['gravatar']['default_avatar'] = "identicon";
+        [gravatar]
-        $a->config['gravatar']['rating'] = "g";
+		default_avatar = identicon
+        rating = g
 
 [1]: http://www.gravatar.com/site/implement/images/ "See documentation at Gravatar for more information"

gravatar/config/gravatar.ini.php

@@ -0,0 +1,28 @@
+<?php return <<<INI
+
+; Warning: Don't change this file! It only holds the default config values for this addon.
+; Instead overwrite these config values in config/local.ini.php in your Friendica directory
+
+[gravatar]
+; default_avatar (String)
+; If no avatar was found for an email Gravatar can create some pseudo-random generated avatars based on an email hash.
+; You can choose between these presets:
+; - gravatar : default static Gravatar logo
+; - mm       : (mystery-man) a static image
+; - identicon: a generated geometric pattern based on email hash
+; - monsterid: a generated 'monster' with different colors, faces, etc. based on email hash
+; - wavatar  : faces with different features and backgrounds based on email hash
+; - retro    : 8-bit arcade-styled pixelated faces based on email hash
+default_avatar = gravatar
+
+; rating (String)
+; Gravatar lets users self-rate their images to be used at appropriate audiences.
+; Choose which are appropriate for your friendica site:
+; - g : suitable for display on all wesites with any audience type
+; - pg: may contain rude gestures, provocatively dressed individuals, the lesser swear words, or mild violence
+; - r : may contain such things as harsh profanity, intense violence, nudity, or hard drug use
+; - x : may contain hardcore sexual imagery or extremely disurbing violence
+rating = g
+
+INI;
+//Keep this line

gravatar/gravatar.php

@@ -13,6 +13,7 @@ use Friendica\Core\L10n;
  * Installs the addon hook
  */
 function gravatar_install() {
+	Addon::registerHook('load_config',   'addon/gravatar/gravatar.php', 'gravatar_load_config');
 	Addon::registerHook('avatar_lookup', 'addon/gravatar/gravatar.php', 'gravatar_lookup');
 
 	logger("registered gravatar in avatar_lookup hook");
@@ -22,11 +23,17 @@ function gravatar_install() {
  * Removes the addon hook
  */
 function gravatar_uninstall() {
+	Addon::unregisterHook('load_config',   'addon/gravatar/gravatar.php', 'gravatar_load_config');
 	Addon::unregisterHook('avatar_lookup', 'addon/gravatar/gravatar.php', 'gravatar_lookup');
 
 	logger("unregistered gravatar in avatar_lookup hook");
 }
 
+function gravatar_load_config(\Friendica\App $a)
+{
+	$a->loadConfigFile(__DIR__. '/config/gravatar.ini.php');
+}
+
 /**
  * Looks up the avatar at gravatar.com and returns the URL.
  *
@@ -34,7 +41,7 @@ function gravatar_uninstall() {
  * @param &$b array
  */
 function gravatar_lookup($a, &$b) {
-	$default_avatar = Config::get('gravatar', 'default_img');
+	$default_avatar = Config::get('gravatar', 'default_avatar');
 	$rating = Config::get('gravatar', 'rating');
 
 	// setting default value if nothing configured
@@ -60,7 +67,7 @@ function gravatar_lookup($a, &$b) {
 function gravatar_addon_admin (&$a, &$o) {
 	$t = get_markup_template( "admin.tpl", "addon/gravatar/" );
 
-	$default_avatar = Config::get('gravatar', 'default_img');
+	$default_avatar = Config::get('gravatar', 'default_avatar');
 	$rating = Config::get('gravatar', 'rating');
 
 	// set default values for first configuration
@@ -109,7 +116,7 @@ function gravatar_addon_admin_post (&$a) {
 
 	$default_avatar = ((x($_POST, 'avatar')) ? notags(trim($_POST['avatar'])) : 'identicon');
 	$rating = ((x($_POST, 'rating')) ? notags(trim($_POST['rating'])) : 'g');
-	Config::set('gravatar', 'default_img', $default_avatar);
+	Config::set('gravatar', 'default_avatar', $default_avatar);
 	Config::set('gravatar', 'rating', $rating);
 	info(L10n::t('Gravatar settings updated.') .EOL);
 }