From 56c689af6abc2c7b94bd472dc57f654af44cf8a7 Mon Sep 17 00:00:00 2001
From: Tristan Schneider <tristanschneider2000@gmail.com>
Date: Sat, 9 Jan 2021 23:53:23 +0100
Subject: [PATCH] archive creation assistant

---
 admin.php           | 107 +++++++++++++++++++++++++++++++++++++++++++-
 archive_creator.php |  21 +++++++++
 2 files changed, 127 insertions(+), 1 deletion(-)
 create mode 100644 archive_creator.php
diff --git a/admin.php b/admin.php
index 48461f9..adb0538 100644
--- a/admin.php
+++ b/admin.php
@@ -13,6 +13,16 @@ $config_data = json_decode($raw_json_config, false);
 </head>
 
 <body>
+	<?php
+	if (isset($config_data->style)) {
+		print("<style>\n");
+		print($config_data->style);
+		print("\n</style>");
+	}
+	?>
+	<h1><?php print($config_data->headline ?? "One Word Each"); ?> - Administration</h1>
+	<p><a href="./">Startseite</a></p>
+	
 	<?php
 	
 	if (file_exists('data/admin_pwd')):
@@ -47,7 +57,23 @@ $config_data = json_decode($raw_json_config, false);
 	if ($login):
 	?>
 	
-	Du bist angemeldet.
+	<h3>Archiv erstellen</h3>
+	
+	Bisherige Archive:
+	<p id="archive_links">
+	<?php
+	$content = file_get_contents("./data/archive-links.txt") or die("ungültiger Dateiname");
+	print($content);
+	?></p>
+	
+	Neues Archiv:<br>
+	<label>Erster Tag: <input id="firstday" oninput="previewNewArchive();" type="date" style="font-size: xx-large; border: 2px solid white;"></label><br>
+	<label>Letzter Tag: <input id="lastday" oninput="previewNewArchive();" type="date" style="font-size: xx-large; border: 2px solid white;"></label><br>
+	Vorschau<br>
+	Dateiname: <span id="archive_filename_preview"></span><br>
+	Linktext: <span id="archive_link_preview"></span><br>
+	Inhalt: <span class="sentences" id="archive_sentences_preview"></span><br>
+	<button onclick="createArchive();">erstellen</button>
 	
 	<?php elseif (file_exists('data/admin_pwd')): ?>
 	
@@ -70,5 +96,84 @@ $config_data = json_decode($raw_json_config, false);
 	
 	endif; ?>
 	</p>
+	
+	<script>
+	
+	var sentences;
+	
+	function fetchSentences() {
+		fetch("./data/sentences.txt", {headers: {"Cache-Control": "no-cache, no-store"}})
+			.then((response) => { 
+				return response.text().then((text) => {
+					sentences = text;
+				});
+			});
+	}
+	
+	function previewNewArchive() {
+		month_names = ["Januar", "Februar", "März", "April", "Mai", "Juni", "Juli", "August", "September", "Oktober", "November", "Dezember"];
+		month_abbr = ["jan", "feb", "mar", "apr", "may", "jun", "jul", "aug", "sep", "oct", "nov", "dec"];
+		
+		fd = document.getElementById("firstday").valueAsDate;
+		ld = document.getElementById("lastday").valueAsDate;
+		filename_preview = document.getElementById("archive_filename_preview");
+		link_preview = document.getElementById("archive_link_preview");
+		sentences_preview = document.getElementById("archive_sentences_preview");
+		
+		var display_first_month = (fd.getMonth() != ld.getMonth()) || (fd.getFullYear() != ld.getFullYear());
+		var display_first_year = fd.getFullYear() != ld.getFullYear();
+		
+		filename_preview.innerHTML = `sentences-archive-${fd.getDate()}${display_first_month ? '-'+month_abbr[fd.getMonth()] : ''}${display_first_year ? '-'+fd.getFullYear()%100 : ''}-${ld.getDate()}-${month_abbr[ld.getMonth()]}-${ld.getFullYear()%100}.txt`;
+		link_preview.innerHTML = `Archiveintrag ${fd.getDate()}. ${display_first_month ? month_names[fd.getMonth()] : ''} ${display_first_year ? fd.getFullYear() : ''} \
+			bis ${ld.getDate()}. ${month_names[ld.getMonth()]} ${ld.getFullYear()}`;
+		
+		fetchSentences();
+		var htmltxt = document.createElement("html");
+		htmltxt.innerHTML = sentences;
+		spans = htmltxt.getElementsByTagName("span");
+		sentences_preview.innerHTML = '';
+		for (i=0; i<3; i++) {
+			sentences_preview.appendChild(spans[i].cloneNode(true));
+		}
+		sentences_preview.innerHTML += "<span style='color: white'>...</span>";
+		for (i=3; i>0; i--) {
+			sentences_preview.appendChild(spans[spans.length - i].cloneNode(true));
+		}
+		
+	}
+	
+	function createArchive() {
+		var data = new FormData();
+		data.append('filename', encodeURI(document.getElementById("archive_filename_preview").innerText));
+		data.append('linktext', encodeURI(document.getElementById("archive_link_preview").innerText));
+		const Http = new XMLHttpRequest();
+		Http.open('POST', './archive_creator.php');
+		Http.onreadystatechange=(e)=>{
+			location.reload();
+		}
+		Http.send(data);
+	}
+	
+	function defaultNewArchive() {
+		lastlink = document.getElementById("archive_links").lastElementChild.getAttribute("href");
+		var re = /(\d+)-(\w\w\w)-(\d+)\.txt/;
+		res = re.exec(lastlink);
+		
+		month_abbr = ["jan", "feb", "mar", "apr", "may", "jun", "jul", "aug", "sep", "oct", "nov", "dec"];
+		d = parseInt(res[1]);
+		m = month_abbr.indexOf(res[2]);
+		y = 2000 + parseInt(res[3]);
+		
+		date = new Date(Date.UTC(y, m, d));
+		document.getElementById("firstday").value = date.toISOString().split("T")[0];
+		document.getElementById("lastday").valueAsNumber = Date.now()
+	}
+	
+	fetchSentences();
+	setTimeout(previewNewArchive, 500);
+	defaultNewArchive();
+	
+	</script>
+	
 </body>
 </html>
diff --git a/archive_creator.php b/archive_creator.php
new file mode 100644
index 0000000..d519a93
--- /dev/null
+++ b/archive_creator.php
@@ -0,0 +1,21 @@
+<?php
+
+$linktext = urldecode($_REQUEST['linktext']);
+$filename = urldecode($_REQUEST['filename']);
+
+$filename = basename($filename); // don't allow any relative paths
+
+//print("ein archiv mit dem linktext ".$linktext." und dem dateinamen ".$filename." soll erstellt werden");
+if (file_exists('data/'.$filename)) {
+	http_response_code(409); // conflict
+	print("Archiv mit dem Namen '".$filename."' existiert bereits!");
+} else {
+	rename("data/sentences.txt", "data/".$filename);
+	file_put_contents("data/sentences.txt", "");
+	$html_link = "<br>\n<a href='./archiv.php?file=".$filename."'>".$linktext."</a>";
+	file_put_contents("data/archive-links.txt", $html_link, FILE_APPEND);
+	http_response_code(200);
+	print("Neues Archiv erstellt.");
+}
+
+?>
