modules/buymeabeer/buymeabeer.module

<?php
// $Id: buymeabeer.module,v 1.10 2009/05/04 18:40:24 yaph Exp $

/**
 * @file
 * Author: Ramiro Gómez - http://www.ramiro.org
 * A Drupal module that allows donations via Paypal to buy beer.
 */

define('BMAB_ANCHOR_TEXT', 'If you liked this post, buy me a beer.');
define('BMAB_LINK_TITLE_TEXT', 'Donate a beer or two via Paypal.');

/**
 * Implementation of hook_menu().
 */
function buymeabeer_menu() {
  $items = array();
  $items['admin/content/buymeabeer'] = array(
    'title' => 'Buy Me a Beer',
    'description' => 'Enable the node types to display the buy me a beer link, set the paypal e-mail and the anchor text for the link.',
    'page callback' => 'drupal_get_form',
    'page arguments' => array('buymeabeer_admin_settings'),
    'access arguments' => array('administer site configuration'),
    'type' => MENU_NORMAL_ITEM,
    'file' => 'buymeabeer.admin.inc'
  );
  return $items;
}

/**
 * Implementation of hook_theme().
 */
function buymeabeer_theme() {
  return array(
    'buymeabeer_link' => array(
      'arguments' => array('link' => NULL)
    )
  );
}

/**
 * Implementation of hook_nodeapi().
 */
function buymeabeer_nodeapi(&$node, $op, $a3 = NULL, $a4 = NULL) {
  if ($op == 'view') {
    //Check our node is one of the checked types
    if (in_array($node->type, variable_get('buymeabeer_node_types', array()), TRUE)) {
      $display_link = FALSE;
      switch (variable_get('buymeabeer_teaser_full_view', 0)) {
        // display in full view only
        case 0:
          if (!$a3) {
            $display_link = TRUE;
          }
          break;
        // display in teaser only
        case 1:
          if ($a3) {
            $display_link = TRUE;
          }
          break;
        // display in full view and teaser
        case 2:
          $display_link = TRUE;
          break;
      }
      if ($display_link) {
        $node->content['buymeabeer_ad'] = array(
          '#value' => buymeabeer_paypal_link($node),
          '#weight' => variable_get('buymeabeer_weight', 20)
        );
      }
    }
  }
}

/**
 * create the HTML for the donation link
 *
 * @return String themed donation link
 */
function buymeabeer_paypal_link($node) {
  if (!(isset($node->uid) && variable_get('buymeabeer_userbeer_enable', 0) && $paypal_mail = buymeabeer_get_paypal_user_email($node->uid))) {
    $paypal_mail = variable_get('buymeabeer_paypal_mail', '');
  }
  $anchor_text = variable_get('buymeabeer_anchor_text', t(BMAB_ANCHOR_TEXT));
  $title_text = variable_get('buymeabeer_link_title_text', t(BMAB_LINK_TITLE_TEXT));
  $href = "https://www.paypal.com/cgi-bin/webscr";
  $query = "cmd=_xclick&business=$paypal_mail&item_name=$title_text";
  $link = l(
    $anchor_text,
    $href,
    array('query' => $query,
      'html' => TRUE,
      'absolute' => TRUE,
      'attributes' => array('class' => 'buymeabeer-link', 'title' => $title_text)
    )
  );
  return theme('buymeabeer_link', $link);
}

/**
 * Implementation of hook_link().
 */
function buymeabeer_link($type, $object = NULL, $teaser = FALSE) {
  $links = array();
  if (isset($object->uid) && variable_get('buymeabeer_userbeer_enable', 0)) {
    $display_link = false;
    if ('node' == $type && in_array($node->type, variable_get('buymeabeer_node_types', array()), TRUE)) {
      $display_link = true;
    }
    if ('comment' == $type) {
      $display_link = true;
    }
    if ($display_link && isset($object->buymeabeer_paypal_mail)) {
      $paypal_mail = $object->buymeabeer_paypal_mail;
      $title_text = variable_get('buymeabeer_link_title_text', t(BMAB_LINK_TITLE_TEXT));
      $href = "https://www.paypal.com/cgi-bin/webscr";
      $query = "cmd=_xclick&business=$paypal_mail&item_name=$title_text";
      $links['buymeabeer_user'] = array(
        'title' => t('Buy %name a beer!', array('%name' => $object->registered_name)),
        'href' => $href,
        'query' => $query,
        'absolute' => TRUE,
        'html' => TRUE,
        'attributes' => array('class' => 'buymeabeer-link', 'title' => $title_text)
      );
    }
  }

  return $links;
}

/**
 * theme function for link display
 */
function theme_buymeabeer_link($link) {
  return '<div class="buymeabeer">'. $link .'</div>';
}

/**
 *Implementation of hook_user().
 */
function buymeabeer_user($op, &$edit, &$account, $category = NULL) {
  if (variable_get('buymeabeer_userbeer_enable', 0)) {
    switch ($op) {
      case 'form':
        $form['buymeabeer'] = array(
          '#type' => 'fieldset',
          '#title' => t('Beer donation settings'),
          '#collapsible' => TRUE,
          '#weight' => 10
        );
        $form['buymeabeer']['buymeabeer_paypal_mail'] = array(
          '#type' => 'textfield',
          '#title' => t('Your paypal email'),
          '#description' => t('Enter your paypal email address here to receive beer donations'),
          '#default_value' => $account->buymeabeer_paypal_mail,
          '#size' => 40,
          '#maxlength' => 255,
        );
        return $form;
      case 'submit':
        $edit['data'] = serialize($edit['buymeabeer_paypal_mail']);
        break;
    }
  }
}

/**
 * get the paypal email address of the user with the given uid
 *
 * @param Integer
 * Numeric Drupal user id
 *
 * @return String
 * Paypal email address of user
 */
function buymeabeer_get_paypal_user_email($uid) {
  $account = user_load(array('uid' => $uid));
  if (isset($account->buymeabeer_paypal_mail)) {
    return $account->buymeabeer_paypal_mail;
  }
  return FALSE;
}
1	<?php
2	// $Id: buymeabeer.module,v 1.10 2009/05/04 18:40:24 yaph Exp $
3
4	/**
5	* @file
6	* Author: Ramiro Gómez - http://www.ramiro.org
7	* A Drupal module that allows donations via Paypal to buy beer.
8	*/
9
10	define('BMAB_ANCHOR_TEXT', 'If you liked this post, buy me a beer.');
11	define('BMAB_LINK_TITLE_TEXT', 'Donate a beer or two via Paypal.');
12
13	/**
14	* Implementation of hook_menu().
15	*/
16	function buymeabeer_menu() {
17	$items = array();
18	$items['admin/content/buymeabeer'] = array(
19	'title' => 'Buy Me a Beer',
20	'description' => 'Enable the node types to display the buy me a beer link, set the paypal e-mail and the anchor text for the link.',
21	'page callback' => 'drupal_get_form',
22	'page arguments' => array('buymeabeer_admin_settings'),
23	'access arguments' => array('administer site configuration'),
24	'type' => MENU_NORMAL_ITEM,
25	'file' => 'buymeabeer.admin.inc'
26	);
27	return $items;
28	}
29
30	/**
31	* Implementation of hook_theme().
32	*/
33	function buymeabeer_theme() {
34	return array(
35	'buymeabeer_link' => array(
36	'arguments' => array('link' => NULL)
37	)
38	);
39	}
40
41	/**
42	* Implementation of hook_nodeapi().
43	*/
44	function buymeabeer_nodeapi(&$node, $op, $a3 = NULL, $a4 = NULL) {
45	if ($op == 'view') {
46	//Check our node is one of the checked types
47	if (in_array($node->type, variable_get('buymeabeer_node_types', array()), TRUE)) {
48	$display_link = FALSE;
49	switch (variable_get('buymeabeer_teaser_full_view', 0)) {
50	// display in full view only
51	case 0:
52	if (!$a3) {
53	$display_link = TRUE;
54	}
55	break;
56	// display in teaser only
57	case 1:
58	if ($a3) {
59	$display_link = TRUE;
60	}
61	break;
62	// display in full view and teaser
63	case 2:
64	$display_link = TRUE;
65	break;
66	}
67	if ($display_link) {
68	$node->content['buymeabeer_ad'] = array(
69	'#value' => buymeabeer_paypal_link($node),
70	'#weight' => variable_get('buymeabeer_weight', 20)
71	);
72	}
73	}
74	}
75	}
76
77	/**
78	* create the HTML for the donation link
79	*
80	* @return String themed donation link
81	*/
82	function buymeabeer_paypal_link($node) {
83	if (!(isset($node->uid) && variable_get('buymeabeer_userbeer_enable', 0) && $paypal_mail = buymeabeer_get_paypal_user_email($node->uid))) {
84	$paypal_mail = variable_get('buymeabeer_paypal_mail', '');
85	}
86	$anchor_text = variable_get('buymeabeer_anchor_text', t(BMAB_ANCHOR_TEXT));
87	$title_text = variable_get('buymeabeer_link_title_text', t(BMAB_LINK_TITLE_TEXT));
88	$href = "https://www.paypal.com/cgi-bin/webscr";
89	$query = "cmd=_xclick&business=$paypal_mail&item_name=$title_text";
90	$link = l(
91	$anchor_text,
92	$href,
93	array('query' => $query,
94	'html' => TRUE,
95	'absolute' => TRUE,
96	'attributes' => array('class' => 'buymeabeer-link', 'title' => $title_text)
97	)
98	);
99	return theme('buymeabeer_link', $link);
100	}
101
102	/**
103	* Implementation of hook_link().
104	*/
105	function buymeabeer_link($type, $object = NULL, $teaser = FALSE) {
106	$links = array();
107	if (isset($object->uid) && variable_get('buymeabeer_userbeer_enable', 0)) {
108	$display_link = false;
109	if ('node' == $type && in_array($node->type, variable_get('buymeabeer_node_types', array()), TRUE)) {
110	$display_link = true;
111	}
112	if ('comment' == $type) {
113	$display_link = true;
114	}
115	if ($display_link && isset($object->buymeabeer_paypal_mail)) {
116	$paypal_mail = $object->buymeabeer_paypal_mail;
117	$title_text = variable_get('buymeabeer_link_title_text', t(BMAB_LINK_TITLE_TEXT));
118	$href = "https://www.paypal.com/cgi-bin/webscr";
119	$query = "cmd=_xclick&business=$paypal_mail&item_name=$title_text";
120	$links['buymeabeer_user'] = array(
121	'title' => t('Buy %name a beer!', array('%name' => $object->registered_name)),
122	'href' => $href,
123	'query' => $query,
124	'absolute' => TRUE,
125	'html' => TRUE,
126	'attributes' => array('class' => 'buymeabeer-link', 'title' => $title_text)
127	);
128	}
129	}
130
131	return $links;
132	}
133
134	/**
135	* theme function for link display
136	*/
137	function theme_buymeabeer_link($link) {
138	return '<div class="buymeabeer">'. $link .'</div>';
139	}
140
141	/**
142	*Implementation of hook_user().
143	*/
144	function buymeabeer_user($op, &$edit, &$account, $category = NULL) {
145	if (variable_get('buymeabeer_userbeer_enable', 0)) {
146	switch ($op) {
147	case 'form':
148	$form['buymeabeer'] = array(
149	'#type' => 'fieldset',
150	'#title' => t('Beer donation settings'),
151	'#collapsible' => TRUE,
152	'#weight' => 10
153	);
154	$form['buymeabeer']['buymeabeer_paypal_mail'] = array(
155	'#type' => 'textfield',
156	'#title' => t('Your paypal email'),
157	'#description' => t('Enter your paypal email address here to receive beer donations'),
158	'#default_value' => $account->buymeabeer_paypal_mail,
159	'#size' => 40,
160	'#maxlength' => 255,
161	);
162	return $form;
163	case 'submit':
164	$edit['data'] = serialize($edit['buymeabeer_paypal_mail']);
165	break;
166	}
167	}
168	}
169
170	/**
171	* get the paypal email address of the user with the given uid
172	*
173	* @param Integer
174	* Numeric Drupal user id
175	*
176	* @return String
177	* Paypal email address of user
178	*/
179	function buymeabeer_get_paypal_user_email($uid) {
180	$account = user_load(array('uid' => $uid));
181	if (isset($account->buymeabeer_paypal_mail)) {
182	return $account->buymeabeer_paypal_mail;
183	}
184	return FALSE;
185	}