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Rev | Author | Line No. | Line |
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635 | daniel-mar | 1 | <?php |
2 | |||
3 | /* |
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4 | * OIDplus 2.0 |
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1086 | daniel-mar | 5 | * Copyright 2019 - 2023 Daniel Marschall, ViaThinkSoft |
635 | daniel-mar | 6 | * |
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 | |||
1050 | daniel-mar | 20 | namespace ViaThinkSoft\OIDplus; |
635 | daniel-mar | 21 | |
1086 | daniel-mar | 22 | // phpcs:disable PSR1.Files.SideEffects |
23 | \defined('INSIDE_OIDPLUS') or die; |
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24 | // phpcs:enable PSR1.Files.SideEffects |
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25 | |||
635 | daniel-mar | 26 | class OIDplusDoi extends OIDplusObject { |
1130 | daniel-mar | 27 | /** |
28 | * @var string |
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29 | */ |
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635 | daniel-mar | 30 | private $doi; |
31 | |||
1116 | daniel-mar | 32 | /** |
1130 | daniel-mar | 33 | * @param string $doi |
1116 | daniel-mar | 34 | */ |
1130 | daniel-mar | 35 | public function __construct(string $doi) { |
635 | daniel-mar | 36 | // TODO: syntax checks |
37 | $this->doi = $doi; |
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38 | } |
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39 | |||
1116 | daniel-mar | 40 | /** |
41 | * @param string $node_id |
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42 | * @return OIDplusDoi|null |
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43 | */ |
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44 | public static function parse(string $node_id)/*: ?OIDplusDoi*/ { |
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635 | daniel-mar | 45 | @list($namespace, $doi) = explode(':', $node_id, 2); |
1116 | daniel-mar | 46 | if ($namespace !== self::ns()) return null; |
635 | daniel-mar | 47 | return new self($doi); |
48 | } |
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49 | |||
1116 | daniel-mar | 50 | /** |
51 | * @return string |
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52 | */ |
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53 | public static function objectTypeTitle(): string { |
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635 | daniel-mar | 54 | return _L('Digital Object Identifier (DOI)'); |
55 | } |
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56 | |||
1116 | daniel-mar | 57 | /** |
58 | * @return string |
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59 | */ |
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60 | public static function objectTypeTitleShort(): string { |
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635 | daniel-mar | 61 | return _L('DOI'); |
62 | } |
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63 | |||
1116 | daniel-mar | 64 | /** |
65 | * @return string |
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66 | */ |
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67 | public static function ns(): string { |
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635 | daniel-mar | 68 | return 'doi'; |
69 | } |
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70 | |||
1116 | daniel-mar | 71 | /** |
72 | * @return string |
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73 | */ |
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74 | public static function root(): string { |
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860 | daniel-mar | 75 | return self::ns().':'; |
635 | daniel-mar | 76 | } |
77 | |||
1116 | daniel-mar | 78 | /** |
79 | * @return bool |
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80 | */ |
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81 | public function isRoot(): bool { |
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635 | daniel-mar | 82 | return $this->doi == ''; |
83 | } |
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84 | |||
1116 | daniel-mar | 85 | /** |
86 | * @param bool $with_ns |
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87 | * @return string |
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88 | */ |
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89 | public function nodeId(bool $with_ns=true): string { |
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859 | daniel-mar | 90 | return $with_ns ? self::root().$this->doi : $this->doi; |
635 | daniel-mar | 91 | } |
92 | |||
1116 | daniel-mar | 93 | /** |
94 | * @param string $str |
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95 | * @return string |
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96 | * @throws OIDplusException |
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97 | */ |
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98 | public function addString(string $str): string { |
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635 | daniel-mar | 99 | if ($this->isRoot()) { |
100 | // Parent is root, so $str is the base DOI (10.xxxx) |
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101 | $base = $str; |
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102 | if (!self::validBaseDoi($base)) { |
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103 | throw new OIDplusException(_L('Invalid DOI %1 . It must have syntax 10.xxxx',$base)); |
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104 | } |
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859 | daniel-mar | 105 | return self::root() . $base; |
635 | daniel-mar | 106 | } else if (self::validBaseDoi($this->doi)) { |
107 | // First level: We add a pubilcation to the base |
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859 | daniel-mar | 108 | return self::root() . $this->doi . '/' . $str; |
635 | daniel-mar | 109 | } else { |
110 | // We just add an additional string to the already existing publication, e.g. a graphic reference or chapter |
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859 | daniel-mar | 111 | return self::root() . $this->doi . $str; |
635 | daniel-mar | 112 | } |
113 | } |
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114 | |||
1116 | daniel-mar | 115 | /** |
116 | * @param OIDplusObject $parent |
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117 | * @return string |
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118 | */ |
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119 | public function crudShowId(OIDplusObject $parent): string { |
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635 | daniel-mar | 120 | return $this->doi; |
121 | } |
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122 | |||
1116 | daniel-mar | 123 | /** |
124 | * @return string |
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125 | * @throws OIDplusException |
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126 | */ |
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127 | public function crudInsertPrefix(): string { |
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635 | daniel-mar | 128 | return $this->isRoot() ? '' : substr($this->addString(''), strlen(self::ns())+1); |
129 | } |
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130 | |||
1116 | daniel-mar | 131 | /** |
132 | * @param OIDplusObject|null $parent |
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133 | * @return string |
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134 | */ |
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135 | public function jsTreeNodeName(OIDplusObject $parent = null): string { |
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635 | daniel-mar | 136 | if ($parent == null) return $this->objectTypeTitle(); |
137 | $out = $this->doi; |
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138 | $ary = explode('/', $out, 2); |
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139 | if (count($ary) > 1) $out = $ary[1]; |
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140 | return $out; |
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141 | } |
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142 | |||
1116 | daniel-mar | 143 | /** |
144 | * @return string |
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145 | */ |
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146 | public function defaultTitle(): string { |
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635 | daniel-mar | 147 | return _L('DOI %1',$this->doi); |
148 | } |
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149 | |||
1116 | daniel-mar | 150 | /** |
151 | * @return bool |
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152 | */ |
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153 | public function isLeafNode(): bool { |
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635 | daniel-mar | 154 | return false; |
155 | } |
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156 | |||
1116 | daniel-mar | 157 | /** |
158 | * @param string $title |
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159 | * @param string $content |
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160 | * @param string $icon |
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161 | * @return void |
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162 | * @throws OIDplusException |
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163 | */ |
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164 | public function getContentPage(string &$title, string &$content, string &$icon) { |
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801 | daniel-mar | 165 | $icon = file_exists(__DIR__.'/img/main_icon.png') ? OIDplus::webpath(__DIR__,OIDplus::PATH_RELATIVE).'img/main_icon.png' : ''; |
635 | daniel-mar | 166 | |
167 | if ($this->isRoot()) { |
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168 | $title = OIDplusDoi::objectTypeTitle(); |
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169 | |||
170 | $res = OIDplus::db()->query("select * from ###objects where parent = ?", array(self::root())); |
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790 | daniel-mar | 171 | if ($res->any()) { |
635 | daniel-mar | 172 | $content = _L('Please select an DOI in the tree view at the left to show its contents.'); |
173 | } else { |
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174 | $content = _L('Currently, no DOIs are registered in the system.'); |
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175 | } |
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176 | |||
177 | if (!$this->isLeafNode()) { |
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178 | if (OIDplus::authUtils()->isAdminLoggedIn()) { |
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179 | $content .= '<h2>'._L('Manage your DOIs').'</h2>'; |
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180 | } else { |
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181 | $content .= '<h2>'._L('Available DOIs').'</h2>'; |
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182 | } |
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183 | $content .= '%%CRUD%%'; |
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184 | } |
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185 | } else { |
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186 | $title = $this->getTitle(); |
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187 | |||
188 | $pure = explode(':',$this->nodeId())[1]; |
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189 | $content = '<h3><a target="_blank" href="https://dx.doi.org/'.htmlentities($pure).'">'._L('Resolve %1',htmlentities($pure)).' </a></h3>'; |
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190 | |||
191 | $content .= '<h2>'._L('Description').'</h2>%%DESC%%'; // TODO: add more meta information about the object type |
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192 | |||
193 | if (!$this->isLeafNode()) { |
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194 | if ($this->userHasWriteRights()) { |
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928 | daniel-mar | 195 | $content .= '<h2>'._L('Create or change subordinate objects').'</h2>'; |
635 | daniel-mar | 196 | } else { |
928 | daniel-mar | 197 | $content .= '<h2>'._L('Subordinate objects').'</h2>'; |
635 | daniel-mar | 198 | } |
199 | $content .= '%%CRUD%%'; |
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200 | } |
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201 | } |
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202 | } |
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203 | |||
204 | # --- |
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205 | |||
1116 | daniel-mar | 206 | /** |
207 | * @param string $doi |
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208 | * @return bool |
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209 | */ |
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210 | public static function validBaseDoi(string $doi): bool { |
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635 | daniel-mar | 211 | $m = array(); |
212 | return preg_match('@^10\.\d{4}$@', $doi, $m); |
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213 | } |
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214 | |||
1116 | daniel-mar | 215 | /** |
216 | * @return OIDplusDoi|null |
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217 | */ |
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218 | public function one_up()/*: ?OIDplusDoi*/ { |
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635 | daniel-mar | 219 | $oid = $this->doi; |
220 | |||
221 | $p = strrpos($oid, '/'); |
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713 | daniel-mar | 222 | if ($p === false) return self::parse($oid); |
223 | if ($p == 0) return self::parse('/'); |
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635 | daniel-mar | 224 | |
225 | $oid_up = substr($oid, 0, $p); |
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226 | |||
227 | return self::parse(self::ns().':'.$oid_up); |
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228 | } |
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229 | |||
1116 | daniel-mar | 230 | /** |
1130 | daniel-mar | 231 | * @param OIDplusObject|string $to |
1116 | daniel-mar | 232 | * @return int|null |
233 | */ |
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635 | daniel-mar | 234 | public function distance($to) { |
235 | if (!is_object($to)) $to = OIDplusObject::parse($to); |
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1121 | daniel-mar | 236 | if (!$to) return null; |
1116 | daniel-mar | 237 | if (!($to instanceof $this)) return null; |
635 | daniel-mar | 238 | |
239 | $a = $to->doi; |
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240 | $b = $this->doi; |
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241 | |||
242 | if (substr($a,0,1) == '/') $a = substr($a,1); |
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243 | if (substr($b,0,1) == '/') $b = substr($b,1); |
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244 | |||
245 | $ary = explode('/', $a); |
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246 | $bry = explode('/', $b); |
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247 | |||
248 | $min_len = min(count($ary), count($bry)); |
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249 | |||
250 | for ($i=0; $i<$min_len; $i++) { |
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1116 | daniel-mar | 251 | if ($ary[$i] != $bry[$i]) return null; |
635 | daniel-mar | 252 | } |
253 | |||
254 | return count($ary) - count($bry); |
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255 | } |
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256 | |||
1116 | daniel-mar | 257 | /** |
258 | * @return string |
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259 | */ |
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260 | public function getDirectoryName(): string { |
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635 | daniel-mar | 261 | if ($this->isRoot()) return $this->ns(); |
262 | return $this->ns().'_'.md5($this->nodeId(false)); |
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263 | } |
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800 | daniel-mar | 264 | |
1116 | daniel-mar | 265 | /** |
266 | * @param string $mode |
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267 | * @return string |
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268 | */ |
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269 | public static function treeIconFilename(string $mode): string { |
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800 | daniel-mar | 270 | return 'img/'.$mode.'_icon16.png'; |
271 | } |
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713 | daniel-mar | 272 | } |