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| Rev | Author | Line No. | Line |
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| 2 | daniel-mar | 1 | <?php |
| 2 | |||
| 3 | /* |
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| 4 | * OIDplus 2.0 |
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| 5 | * Copyright 2019 Daniel Marschall, ViaThinkSoft |
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| 6 | * |
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| 7 | * Licensed under the Apache License, Version 2.0 (the "License"); |
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| 8 | * you may not use this file except in compliance with the License. |
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| 9 | * You may obtain a copy of the License at |
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| 10 | * |
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| 11 | * http://www.apache.org/licenses/LICENSE-2.0 |
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| 12 | * |
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| 13 | * Unless required by applicable law or agreed to in writing, software |
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| 14 | * distributed under the License is distributed on an "AS IS" BASIS, |
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| 15 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| 16 | * See the License for the specific language governing permissions and |
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| 17 | * limitations under the License. |
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| 18 | */ |
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| 19 | |||
| 20 | class OIDplusDoi extends OIDplusObject { |
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| 21 | private $doi; |
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| 22 | |||
| 23 | public function __construct($doi) { |
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| 24 | $this->doi = $doi; |
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| 25 | } |
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| 26 | |||
| 27 | public static function parse($node_id) { |
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| 28 | @list($namespace, $doi) = explode(':', $node_id, 2); |
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| 29 | if ($namespace !== 'doi') return false; |
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| 30 | return new self($doi); |
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| 31 | } |
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| 32 | |||
| 33 | public static function objectTypeTitle() { |
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| 34 | return "Digital Object Identifier (DOI)"; |
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| 35 | } |
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| 36 | |||
| 37 | public static function objectTypeTitleShort() { |
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| 38 | return "DOI"; |
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| 39 | } |
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| 40 | |||
| 41 | public static function ns() { |
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| 42 | return 'doi'; |
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| 43 | } |
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| 44 | |||
| 45 | public static function root() { |
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| 46 | return 'doi:'; |
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| 47 | } |
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| 48 | |||
| 49 | public function isRoot() { |
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| 50 | return $this->doi == ''; |
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| 51 | } |
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| 52 | |||
| 53 | public function nodeId() { |
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| 54 | return 'doi:'.$this->doi; |
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| 55 | } |
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| 56 | |||
| 57 | public function addString($str) { |
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| 58 | if ($this->isRoot()) { |
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| 59 | // Parent is root, so $str is the base DOI (10.xxxx) |
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| 60 | $base = $str; |
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| 61 | if (!self::validBaseDoi($base)) { |
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| 62 | throw new Exception("Invalid DOI $base . It must have syntax 10.xxxx"); |
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| 63 | } |
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| 64 | return 'doi:' . $base; |
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| 65 | } else if (self::validBaseDoi($this->doi)) { |
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| 66 | // First level: We add a pubilcation to the base |
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| 67 | return 'doi:' . $this->doi . '/' . $str; |
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| 68 | } else { |
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| 69 | // We just add an additional string to the already existing publication, e.g. a graphic reference or chapter |
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| 70 | return 'doi:' . $this->doi . $str; |
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| 71 | } |
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| 72 | } |
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| 73 | |||
| 74 | public function crudShowId(OIDplusObject $parent) { |
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| 75 | return $this->doi; |
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| 76 | } |
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| 77 | |||
| 78 | public function crudInsertPrefix() { |
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| 79 | return $this->isRoot() ? '' : substr($this->addString(''), strlen(self::ns())+1); |
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| 80 | } |
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| 81 | |||
| 82 | public function jsTreeNodeName(OIDplusObject $parent = null) { |
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| 83 | if ($parent == null) return $this->objectTypeTitle(); |
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| 84 | $out = $this->doi; |
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| 85 | $ary = explode('/', $out, 2); |
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| 86 | if (count($ary) > 1) $out = $ary[1]; |
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| 87 | return $out; |
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| 88 | } |
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| 89 | |||
| 90 | public function defaultTitle() { |
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| 91 | return 'DOI ' . $this->doi; |
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| 92 | } |
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| 93 | |||
| 94 | public function getContentPage(&$title, &$content) { |
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| 95 | if ($this->isRoot()) { |
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| 96 | $title = OIDplusDoi::objectTypeTitle(); |
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| 97 | |||
| 98 | $res = OIDplus::db()->query("select * from ".OIDPLUS_TABLENAME_PREFIX."objects where parent = '".OIDplus::db()->real_escape_string(self::root())."'"); |
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| 99 | if (OIDplus::db()->num_rows($res) > 0) { |
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| 100 | $content = 'Please select an DOI in the tree view at the left to show its contents.'; |
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| 101 | } else { |
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| 102 | $content = 'Currently, no DOIs are registered in the system.'; |
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| 103 | } |
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| 104 | |||
| 105 | if (OIDplus::authUtils()::isAdminLoggedIn()) { |
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| 106 | $content .= '<h2>Manage your DOIs</h2>'; |
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| 107 | } else { |
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| 108 | $content .= '<h2>Available DOIs</h2>'; |
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| 109 | } |
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| 110 | $content .= '%%CRUD%%'; |
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| 111 | } else { |
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| 112 | $pure = explode(':',$this->nodeId())[1]; |
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| 113 | $content = '<h3><a target="_blank" href="https://dx.doi.org/'.htmlentities($pure).'">Resolve '.htmlentities($pure).'</a></h3>'; |
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| 114 | |||
| 115 | $content .= '<h2>Description</h2><br><br>%%DESC%%<br><br>'; // TODO: add more meta information about the object type |
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| 116 | |||
| 117 | if ($this->userHasWriteRights()) { |
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| 118 | $content .= '<h2>Create or change subsequent objects</h2>'; |
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| 119 | } else { |
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| 120 | $content .= '<h2>Subsequent objects</h2>'; |
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| 121 | } |
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| 122 | $content .= '%%CRUD%%'; |
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| 123 | } |
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| 124 | } |
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| 125 | |||
| 126 | # --- |
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| 127 | |||
| 128 | public static function validBaseDoi($doi) { |
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| 129 | return preg_match('@^10\.\d{4}$@', $doi, $m); |
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| 130 | } |
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| 131 | } |
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| 132 | |||
| 133 | OIDplusObject::$registeredObjectTypes[] = 'OIDplusDoi'; |