diff options
Diffstat (limited to 'mod/blog/actions/blog/save.php')
-rw-r--r-- | mod/blog/actions/blog/save.php | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/mod/blog/actions/blog/save.php b/mod/blog/actions/blog/save.php new file mode 100644 index 000000000..82a9e6c51 --- /dev/null +++ b/mod/blog/actions/blog/save.php @@ -0,0 +1,182 @@ +<?php +/** + * Save blog entity + * + * Can be called by clicking save button or preview button. If preview button, + * we automatically save as draft. The preview button is only available for + * non-published drafts. + * + * Drafts are saved with the access set to private. + * + * @package Blog + */ + +// start a new sticky form session in case of failure +elgg_make_sticky_form('blog'); + +// save or preview +$save = (bool)get_input('save'); + +// store errors to pass along +$error = FALSE; +$error_forward_url = REFERER; +$user = elgg_get_logged_in_user_entity(); + +// edit or create a new entity +$guid = get_input('guid'); + +if ($guid) { + $entity = get_entity($guid); + if (elgg_instanceof($entity, 'object', 'blog') && $entity->canEdit()) { + $blog = $entity; + } else { + register_error(elgg_echo('blog:error:post_not_found')); + forward(get_input('forward', REFERER)); + } + + // save some data for revisions once we save the new edit + $revision_text = $blog->description; + $new_post = $blog->new_post; +} else { + $blog = new ElggBlog(); + $blog->subtype = 'blog'; + $new_post = TRUE; +} + +// set the previous status for the hooks to update the time_created and river entries +$old_status = $blog->status; + +// set defaults and required values. +$values = array( + 'title' => '', + 'description' => '', + 'status' => 'draft', + 'access_id' => ACCESS_DEFAULT, + 'comments_on' => 'On', + 'excerpt' => '', + 'tags' => '', + 'container_guid' => (int)get_input('container_guid'), +); + +// fail if a required entity isn't set +$required = array('title', 'description'); + +// load from POST and do sanity and access checking +foreach ($values as $name => $default) { + if ($name === 'title') { + $value = htmlspecialchars(get_input('title', $default, false), ENT_QUOTES, 'UTF-8'); + } else { + $value = get_input($name, $default); + } + + if (in_array($name, $required) && empty($value)) { + $error = elgg_echo("blog:error:missing:$name"); + } + + if ($error) { + break; + } + + switch ($name) { + case 'tags': + $values[$name] = string_to_tag_array($value); + break; + + case 'excerpt': + if ($value) { + $values[$name] = elgg_get_excerpt($value); + } + break; + + case 'container_guid': + // this can't be empty or saving the base entity fails + if (!empty($value)) { + if (can_write_to_container($user->getGUID(), $value)) { + $values[$name] = $value; + } else { + $error = elgg_echo("blog:error:cannot_write_to_container"); + } + } else { + unset($values[$name]); + } + break; + + default: + $values[$name] = $value; + break; + } +} + +// if preview, force status to be draft +if ($save == false) { + $values['status'] = 'draft'; +} + +// if draft, set access to private and cache the future access +if ($values['status'] == 'draft') { + $values['future_access'] = $values['access_id']; + $values['access_id'] = ACCESS_PRIVATE; +} + +// assign values to the entity, stopping on error. +if (!$error) { + foreach ($values as $name => $value) { + $blog->$name = $value; + } +} + +// only try to save base entity if no errors +if (!$error) { + if ($blog->save()) { + // remove sticky form entries + elgg_clear_sticky_form('blog'); + + // remove autosave draft if exists + $blog->deleteAnnotations('blog_auto_save'); + + // no longer a brand new post. + $blog->deleteMetadata('new_post'); + + // if this was an edit, create a revision annotation + if (!$new_post && $revision_text) { + $blog->annotate('blog_revision', $revision_text); + } + + system_message(elgg_echo('blog:message:saved')); + + $status = $blog->status; + + // add to river if changing status or published, regardless of new post + // because we remove it for drafts. + if (($new_post || $old_status == 'draft') && $status == 'published') { + add_to_river('river/object/blog/create', 'create', $blog->owner_guid, $blog->getGUID()); + + // we only want notifications sent when post published + register_notification_object('object', 'blog', elgg_echo('blog:newpost')); + elgg_trigger_event('publish', 'object', $blog); + + // reset the creation time for posts that move from draft to published + if ($guid) { + $blog->time_created = time(); + $blog->save(); + } + } elseif ($old_status == 'published' && $status == 'draft') { + elgg_delete_river(array( + 'object_guid' => $blog->guid, + 'action_type' => 'create', + )); + } + + if ($blog->status == 'published' || $save == false) { + forward($blog->getURL()); + } else { + forward("blog/edit/$blog->guid"); + } + } else { + register_error(elgg_echo('blog:error:cannot_save')); + forward($error_forward_url); + } +} else { + register_error($error); + forward($error_forward_url); +} |