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1 <?php |
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2 // $Id: comment.pages.inc,v 1.2.2.2 2009/07/01 20:51:55 goba Exp $ |
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3 |
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4 /** |
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5 * @file |
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6 * User page callbacks for the comment module. |
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7 */ |
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8 |
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9 /** |
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10 * Form builder; generate a comment editing form. |
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11 * |
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12 * @param $cid |
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13 * ID of the comment to be edited. |
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14 * @ingroup forms |
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15 */ |
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16 function comment_edit($cid) { |
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17 global $user; |
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18 |
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19 $comment = db_fetch_object(db_query('SELECT c.*, u.uid, u.name AS registered_name, u.data FROM {comments} c INNER JOIN {users} u ON c.uid = u.uid WHERE c.cid = %d', $cid)); |
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20 $comment = drupal_unpack($comment); |
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21 $comment->name = $comment->uid ? $comment->registered_name : $comment->name; |
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22 if (comment_access('edit', $comment)) { |
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23 return comment_form_box((array)$comment); |
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24 } |
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25 else { |
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26 drupal_access_denied(); |
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27 } |
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28 } |
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29 |
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30 /** |
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31 * This function is responsible for generating a comment reply form. |
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32 * There are several cases that have to be handled, including: |
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33 * - replies to comments |
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34 * - replies to nodes |
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35 * - attempts to reply to nodes that can no longer accept comments |
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36 * - respecting access permissions ('access comments', 'post comments', etc.) |
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37 * |
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38 * The node or comment that is being replied to must appear above the comment |
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39 * form to provide the user context while authoring the comment. |
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40 * |
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41 * @param $node |
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42 * Every comment belongs to a node. This is that node. |
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43 * |
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44 * @param $pid |
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45 * Some comments are replies to other comments. In those cases, $pid is the parent |
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46 * comment's cid. |
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47 * |
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48 * @return |
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49 * The rendered parent node or comment plus the new comment form. |
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50 */ |
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51 function comment_reply($node, $pid = NULL) { |
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52 // Set the breadcrumb trail. |
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53 drupal_set_breadcrumb(array(l(t('Home'), NULL), l($node->title, 'node/'. $node->nid))); |
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54 $op = isset($_POST['op']) ? $_POST['op'] : ''; |
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55 |
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56 $output = ''; |
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57 |
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58 if (user_access('access comments')) { |
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59 // The user is previewing a comment prior to submitting it. |
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60 if ($op == t('Preview')) { |
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61 if (user_access('post comments')) { |
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62 $output .= comment_form_box(array('pid' => $pid, 'nid' => $node->nid), NULL); |
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63 } |
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64 else { |
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65 drupal_set_message(t('You are not authorized to post comments.'), 'error'); |
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66 drupal_goto("node/$node->nid"); |
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67 } |
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68 } |
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69 else { |
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70 // $pid indicates that this is a reply to a comment. |
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71 if ($pid) { |
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72 // load the comment whose cid = $pid |
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73 if ($comment = db_fetch_object(db_query('SELECT c.*, u.uid, u.name AS registered_name, u.signature, u.signature_format, u.picture, u.data FROM {comments} c INNER JOIN {users} u ON c.uid = u.uid WHERE c.cid = %d AND c.status = %d', $pid, COMMENT_PUBLISHED))) { |
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74 // If that comment exists, make sure that the current comment and the parent comment both |
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75 // belong to the same parent node. |
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76 if ($comment->nid != $node->nid) { |
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77 // Attempting to reply to a comment not belonging to the current nid. |
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78 drupal_set_message(t('The comment you are replying to does not exist.'), 'error'); |
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79 drupal_goto("node/$node->nid"); |
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80 } |
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81 // Display the parent comment |
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82 $comment = drupal_unpack($comment); |
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83 $comment->name = $comment->uid ? $comment->registered_name : $comment->name; |
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84 $output .= theme('comment_view', $comment, $node); |
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85 } |
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86 else { |
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87 drupal_set_message(t('The comment you are replying to does not exist.'), 'error'); |
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88 drupal_goto("node/$node->nid"); |
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89 } |
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90 } |
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91 // This is the case where the comment is in response to a node. Display the node. |
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92 else if (user_access('access content')) { |
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93 $output .= node_view($node); |
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94 } |
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95 |
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96 // Should we show the reply box? |
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97 if (node_comment_mode($node->nid) != COMMENT_NODE_READ_WRITE) { |
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98 drupal_set_message(t("This discussion is closed: you can't post new comments."), 'error'); |
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99 drupal_goto("node/$node->nid"); |
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100 } |
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101 else if (user_access('post comments')) { |
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102 $output .= comment_form_box(array('pid' => $pid, 'nid' => $node->nid), t('Reply')); |
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103 } |
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104 else { |
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105 drupal_set_message(t('You are not authorized to post comments.'), 'error'); |
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106 drupal_goto("node/$node->nid"); |
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107 } |
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108 } |
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109 } |
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110 else { |
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111 drupal_set_message(t('You are not authorized to view comments.'), 'error'); |
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112 drupal_goto("node/$node->nid"); |
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113 } |
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114 |
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115 return $output; |
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116 } |