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authorNicolas Lœuillet <nicolas@loeuillet.org>2015-01-20 07:40:39 +0100
committerNicolas Lœuillet <nicolas@loeuillet.org>2015-01-20 07:40:39 +0100
commit6ad93dff69d7c2beb2196e73f641e6484fccbeb7 (patch)
tree12430b858be2a41029fc11d1afa1fa2a120b96f9 /inc/poche/WallabagEBooks.class.php
parentc78c1a3f08815aab99752026ccdf1dcf63cf43c1 (diff)
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1<?php
2/**
3 * wallabag, self hostable application allowing you to not miss any content anymore
4 *
5 * @category wallabag
6 * @author Nicolas Lœuillet <nicolas@loeuillet.org>
7 * @copyright 2013
8 * @license http://opensource.org/licenses/MIT see COPYING file
9 */
10
11class WallabagEBooks
12{
13 protected $wallabag;
14 protected $method;
15 protected $value;
16 protected $entries;
17 protected $bookTitle;
18 protected $bookFileName;
19 protected $author = 'wallabag';
20
21 public function __construct(Poche $wallabag, $method, $value)
22 {
23 $this->wallabag = $wallabag;
24 $this->method = $method;
25 $this->value = $value;
26 }
27
28 public function prepareData()
29 {
30 switch ($this->method) {
31 case 'id':
32 $entryID = filter_var($this->value, FILTER_SANITIZE_NUMBER_INT);
33 $entry = $this->wallabag->store->retrieveOneById($entryID, $this->wallabag->user->getId());
34 $this->entries = array($entry);
35 $this->bookTitle = $entry['title'];
36 $this->bookFileName = substr($this->bookTitle, 0, 200);
37 $this->author = preg_replace('#^w{3}.#', '', Tools::getdomain($entry["url"])); # if only one article, set author to domain name (we strip the eventual www part)
38 Tools::logm('Producing ebook from article ' . $this->bookTitle);
39 break;
40 case 'all':
41 $this->entries = $this->wallabag->store->retrieveAll($this->wallabag->user->getId());
42 $this->bookTitle = sprintf(_('All my articles on %s'), date(_('d.m.y'))); #translatable because each country has it's own date format system
43 $this->bookFileName = _('Allarticles') . date(_('dmY'));
44 Tools::logm('Producing ebook from all articles');
45 break;
46 case 'tag':
47 $tag = filter_var($this->value, FILTER_SANITIZE_STRING);
48 $tags_id = $this->wallabag->store->retrieveAllTags($this->wallabag->user->getId(), $tag);
49 $tag_id = $tags_id[0]["id"]; // we take the first result, which is supposed to match perfectly. There must be a workaround.
50 $this->entries = $this->wallabag->store->retrieveEntriesByTag($tag_id, $this->wallabag->user->getId());
51 $this->bookTitle = sprintf(_('Articles tagged %s'), $tag);
52 $this->bookFileName = substr(sprintf(_('Tag %s'), $tag), 0, 200);
53 Tools::logm('Producing ebook from tag ' . $tag);
54 break;
55 case 'category':
56 $category = filter_var($this->value, FILTER_SANITIZE_STRING);
57 $this->entries = $this->wallabag->store->getEntriesByView($category, $this->wallabag->user->getId());
58 $this->bookTitle = sprintf(_('Articles in category %s'), $category);
59 $this->bookFileName = substr(sprintf(_('Category %s'), $category), 0, 200);
60 Tools::logm('Producing ebook from category ' . $category);
61 break;
62 case 'search':
63 $search = filter_var($this->value, FILTER_SANITIZE_STRING);
64 Tools::logm($search);
65 $this->entries = $this->wallabag->store->search($search, $this->wallabag->user->getId());
66 $this->bookTitle = sprintf(_('Articles for search %s'), $search);
67 $this->bookFileName = substr(sprintf(_('Search %s'), $search), 0, 200);
68 Tools::logm('Producing ebook from search ' . $search);
69 break;
70 case 'default':
71 die(_('Uh, there is a problem while generating eBook.'));
72 }
73 }
74}
75
76class WallabagEpub extends WallabagEBooks
77{
78 /**
79 * handle ePub
80 */
81 public function produceEpub()
82 {
83 Tools::logm('Starting to produce ePub 3 file');
84 $content_start =
85 "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
86 . "<html xmlns=\"http://www.w3.org/1999/xhtml\" xmlns:epub=\"http://www.idpf.org/2007/ops\">\n"
87 . "<head>"
88 . "<meta http-equiv=\"Default-Style\" content=\"text/html; charset=utf-8\" />\n"
89 . "<title>" . _("wallabag articles book") . "</title>\n"
90 . "</head>\n"
91 . "<body>\n";
92
93 $bookEnd = "</body>\n</html>\n";
94
95 $log = new Logger("wallabag", TRUE);
96 $fileDir = CACHE;
97
98 $book = new EPub(EPub::BOOK_VERSION_EPUB3, DEBUG_POCHE);
99 $log->logLine("new EPub()");
100 $log->logLine("EPub class version: " . EPub::VERSION);
101 $log->logLine("EPub Req. Zip version: " . EPub::REQ_ZIP_VERSION);
102 $log->logLine("Zip version: " . Zip::VERSION);
103 $log->logLine("getCurrentServerURL: " . $book->getCurrentServerURL());
104 $log->logLine("getCurrentPageURL..: " . $book->getCurrentPageURL());
105
106 Tools::logm('Filling metadata for ePub...');
107
108 $book->setTitle($this->bookTitle);
109 $book->setIdentifier("http://$_SERVER[HTTP_HOST]", EPub::IDENTIFIER_URI); // Could also be the ISBN number, prefered for published books, or a UUID.
110 //$book->setLanguage("en"); // Not needed, but included for the example, Language is mandatory, but EPub defaults to "en". Use RFC3066 Language codes, such as "en", "da", "fr" etc.
111 $book->setDescription(_("Some articles saved on my wallabag"));
112 $book->setAuthor($this->author,$this->author);
113 $book->setPublisher("wallabag", "wallabag"); // I hope this is a non existant address :)
114 $book->setDate(time()); // Strictly not needed as the book date defaults to time().
115 //$book->setRights("Copyright and licence information specific for the book."); // As this is generated, this _could_ contain the name or licence information of the user who purchased the book, if needed. If this is used that way, the identifier must also be made unique for the book.
116 $book->setSourceURL("http://$_SERVER[HTTP_HOST]");
117
118 $book->addDublinCoreMetadata(DublinCore::CONTRIBUTOR, "PHP");
119 $book->addDublinCoreMetadata(DublinCore::CONTRIBUTOR, "wallabag");
120
121 $cssData = "body {\n margin-left: .5em;\n margin-right: .5em;\n text-align: justify;\n}\n\np {\n font-family: serif;\n font-size: 10pt;\n text-align: justify;\n text-indent: 1em;\n margin-top: 0px;\n margin-bottom: 1ex;\n}\n\nh1, h2 {\n font-family: sans-serif;\n font-style: italic;\n text-align: center;\n background-color: #6b879c;\n color: white;\n width: 100%;\n}\n\nh1 {\n margin-bottom: 2px;\n}\n\nh2 {\n margin-top: -2px;\n margin-bottom: 2px;\n}\n";
122
123 $log->logLine("Add Cover");
124
125 $fullTitle = "<h1> " . $this->bookTitle . "</h1>\n";
126
127 $book->setCoverImage("Cover.png", file_get_contents("themes/_global/img/appicon/apple-touch-icon-152.png"), "image/png", $fullTitle);
128
129 $cover = $content_start . '<div style="text-align:center;"><p>' . _('Produced by wallabag with PHPePub') . '</p><p>'. _('Please open <a href="https://github.com/wallabag/wallabag/issues" >an issue</a> if you have trouble with the display of this E-Book on your device.') . '</p></div>' . $bookEnd;
130
131 //$book->addChapter("Table of Contents", "TOC.xhtml", NULL, false, EPub::EXTERNAL_REF_IGNORE);
132 $book->addChapter("Notices", "Cover2.html", $cover);
133
134 $book->buildTOC();
135
136 Tools::logm('Adding actual content...');
137
138 foreach ($this->entries as $entry) { //set tags as subjects
139 $tags = $this->wallabag->store->retrieveTagsByEntry($entry['id']);
140 foreach ($tags as $tag) {
141 $book->setSubject($tag['value']);
142 }
143
144 $log->logLine("Set up parameters");
145
146 $chapter = $content_start . $entry['content'] . $bookEnd;
147 $book->addChapter($entry['title'], htmlspecialchars($entry['title']) . ".html", $chapter, true, EPub::EXTERNAL_REF_ADD);
148 $log->logLine("Added chapter " . $entry['title']);
149 }
150
151 if (DEBUG_POCHE) {
152 $book->addChapter("Log", "Log.html", $content_start . $log->getLog() . "\n</pre>" . $bookEnd); // log generation
153 Tools::logm('Production log available in produced file');
154 }
155 $book->finalize();
156 $zipData = $book->sendBook($this->bookFileName);
157 Tools::logm('Ebook produced');
158 }
159}
160
161class WallabagMobi extends WallabagEBooks
162{
163 /**
164 * MOBI Class
165 * @author Sander Kromwijk
166 */
167
168 public function produceMobi()
169 {
170
171 Tools::logm('Starting to produce Mobi file');
172 $mobi = new MOBI();
173 $content = new MOBIFile();
174
175 $messages = new Messages(); // for later
176
177 Tools::logm('Filling metadata for Mobi...');
178
179 $content->set("title", $this->bookTitle);
180 $content->set("author", $this->author);
181 $content->set("subject", $this->bookTitle);
182
183 # introduction
184 $content->appendParagraph('<div style="text-align:center;" ><p>' . _('Produced by wallabag with PHPMobi') . '</p><p>'. _('Please open <a href="https://github.com/wallabag/wallabag/issues" >an issue</a> if you have trouble with the display of this E-Book on your device.') . '</p></div>');
185 $content->appendImage(imagecreatefrompng("themes/_global/img/appicon/apple-touch-icon-152.png"));
186 $content->appendPageBreak();
187
188 Tools::logm('Adding actual content...');
189
190 foreach ($this->entries as $item) {
191 $content->appendChapterTitle($item['title']);
192 $content->appendParagraph($item['content']);
193 $content->appendPageBreak();
194 }
195 $mobi->setContentProvider($content);
196
197 // we offer file to download
198 $mobi->download($this->bookFileName.'.mobi');
199 Tools::logm('Mobi file produced');
200 }
201}
202
203class WallabagPDF extends WallabagEbooks
204{
205 public function producePDF()
206 {
207
208 Tools::logm('Starting to produce PDF file');
209
210 $pdf = new TCPDF(PDF_PAGE_ORIENTATION, PDF_UNIT, PDF_PAGE_FORMAT, true, 'UTF-8', false);
211
212 Tools::logm('Filling metadata for PDF...');
213 $pdf->SetCreator(PDF_CREATOR);
214 $pdf->SetAuthor('');
215 $pdf->SetTitle($this->bookTitle);
216 $pdf->SetSubject($this->bookTitle);
217
218 Tools::logm('Adding introduction...');
219 $pdf->AddPage();
220 $intro = '<h1>' . $this->bookTitle . '</h1><div style="text-align:center;" >
221 <p>' . _('Produced by wallabag with tcpdf') . '</p>
222 <p>'. _('Please open <a href="https://github.com/wallabag/wallabag/issues" >an issue</a> if you have trouble with the display of this E-Book on your device.') . '</p>
223 <img src="themes/_global/img/appicon/apple-touch-icon-152.png" /></div>';
224
225
226 $pdf->writeHTMLCell(0, 0, '', '', $intro, 0, 1, 0, true, '', true);
227
228 $i = 1;
229 Tools::logm('Adding actual content...');
230 foreach ($this->entries as $item) {
231 $pdf->AddPage();
232 $html = '<h1>' . $item['title'] . '</h1>';
233 $html .= $item['content'];
234 $pdf->writeHTMLCell(0, 0, '', '', $html, 0, 1, 0, true, '', true);
235 $i = $i+1;
236 }
237
238 // set image scale factor
239 $pdf->setImageScale(PDF_IMAGE_SCALE_RATIO);
240
241
242 $pdf->Output(CACHE . '/' . $this->bookFileName . '.pdf', 'FD');
243
244 }
245}