admin_images.php

   1 <?php
   2
   3 # This form requires wfpl. See: http://sametwice.com/wfpl
   4
   5 define('ADMIN_IMAGES_DB_FIELDS', 'image,name,caption');
   6
   7 require_once(DOCROOT . 'inc/wfpl/format.php');
   8 require_once(DOCROOT . 'inc/wfpl/upload.php');
   9
  10 # example: 200x300
  11 function format_width_height($str) {
  12         $fields = explode('x', $str);
  13         if(count($fields) != 2) {
  14                 return '';
  15         }
  16
  17         list($width, $height) = $fields;
  18         $width = format_int_0($width);
  19         $height = format_int_0($height);
  20
  21         return "${width}x$height";
  22 }
  23
  24 function admin_images_get_fields() {
  25         $data = array();
  26
  27         $data['name'] = format_oneline(_REQUEST_cut('name'));
  28         $data['caption'] = format_oneline(_REQUEST_cut('caption'));
  29
  30         if($_FILES['image'] && $_FILES['image']['error'] == 0 && file_exists($_FILES['image']['tmp_name'])) {
  31                 $image_fn_ext = path_or_mime_to_ext($_FILES['image']['name'], $_FILES['image']['type']);
  32                 $image_fn_ext = ext_to_web_image_ext($image_fn_ext);
  33                 $image_fn_base = sha1_file($_FILES['image']['tmp_name']);
  34                 if (strlen($image_fn_base) == 40) {
  35                         $image_fn_base = substr($image_fn_base, 0, 16);
  36                         $image_filename = 'cms_images/' . $image_fn_base . '.' . $image_fn_ext;
  37                         $data['image'] = convert_uploaded_image('image', $image_filename);
  38                 }
  39         } else {
  40                 if(_REQUEST_cut('delete_image') == 'Yes') {
  41                         $data['image'] = '';
  42                 }
  43         }
  44         unset($_FILES['image']);
  45
  46         return $data;
  47 }
  48
  49
  50 function admin_images_main() {
  51         session_auth_must('admin_images');
  52
  53         $id = _REQUEST_cut('edit_id');
  54         if($id) {
  55                 return admin_images_main_form($id);
  56         }
  57
  58         $id = _REQUEST_cut('admin_images_delete_id');
  59         if($id) {
  60                 return admin_images_main_delete($id);
  61         }
  62
  63         if(_REQUEST_cut('new')) {
  64                 return admin_images_main_form();
  65         }
  66
  67         if(_REQUEST_cut('list')) {
  68                 return admin_images_main_listing();
  69         }
  70
  71         if(isset($_POST['name'])) {
  72                 return admin_images_main_form();
  73         }
  74
  75         # default action:
  76         return admin_images_main_listing();
  77 }
  78
  79 function admin_images_main_delete($id) {
  80         $data = db_get_assoc('cms_images', 'image', 'where id=%i', $id);
  81         if ($data) {
  82                 $src = enc_image_src($data['image']);
  83                 if ($src) {
  84                         $filenames = array($src);
  85                         foreach ($GLOBALS['wfpl_image_widths'] as $w) {
  86                                 $filenames [] = substr($src, 0, -4) . 'w' . $w . substr($src, -4);
  87                         }
  88                         foreach ($filenames as $filename) {
  89                                 if (file_exists($filename)) {
  90                                         unlink($filename);
  91                                 }
  92                         }
  93                 }
  94                 db_delete('cms_images', 'where id=%i', $id);
  95                 message('Image deleted.');
  96         } else {
  97                 message("Couldn't find image to delete. Maybe it's already been deleted?");
  98         }
  99         return './admin_images';
 100 }
 101
 102 function admin_images_main_listing() {
 103         $sort_by = 'name';
 104         $sorts = array(
 105                 'age' => 'created_at desc',
 106                 'name' => "coalesce(nullif(name, ''), caption), created_at",
 107                 'caption' => "coalesce(nullif(caption, ''), name), created_at"
 108         );
 109         if (isset($_REQUEST['sort'])) {
 110                 foreach ($sorts as $s => $sql) {
 111                         if ($_REQUEST['sort'] == $s) {
 112                                 $sort_by = $s;
 113                                 break;
 114                         }
 115                 }
 116         }
 117         tem_set("sort_by_$sort_by");
 118         $listing_rows = db_get_assocs('cms_images', 'id,image,name,caption', 'order by ' . $sorts[$sort_by]);
 119         tem_set('listings', $listing_rows);
 120 }
 121
 122 function admin_images_main_form($id = false) {
 123         if($id) {
 124                 tem_set('id', $id);
 125         }
 126
 127         if(isset($_POST['name'])) {
 128                 $data = admin_images_get_fields();
 129
 130                 # save anything
 131                 # Note: If you change this to re-display the form in some cases, be sure to handle image uploads well (don't make them upload it again.)
 132
 133                 # save to database
 134                 if($id) {
 135                         db_update_assoc('cms_images', $data, 'where id=%i', $id);
 136                         message('Image updated.');
 137                         $saved_id = $id;
 138                         return "./admin_images";
 139                 } else {
 140                         $data['created_at'] = time();
 141                         db_insert_assoc('cms_images', $data);
 142                         message('Image saved. Next time you open a page editor, this image will be availble in the "Insert Image" dialog.');
 143                         $saved_id = db_auto_id();
 144                         return "./admin_images?sort=age";
 145                 }
 146
 147         } elseif($id) {
 148                 # we've recieved an edit id, but no data. So we grab the values to be edited from the database
 149                 $data = db_get_assoc('cms_images', ADMIN_IMAGES_DB_FIELDS, 'where id=%i', $id);
 150         } else {
 151                 # form not submitted, set default values:
 152                 $data = array();
 153         }
 154
 155         tem_set('upload_max_filesize', upload_max_filesize());
 156
 157         tem_set('form', $data);
 158 }