From 8639c60de668b16a3aab1f673da58514c8430de9 Mon Sep 17 00:00:00 2001
From: Niki Roo <niki@nikiroo.be>
Date: Tue, 19 May 2020 21:20:52 +0200
Subject: [PATCH] begin template system change

---
 src/be/nikiroo/fanfix/library/Template.java   | 113 ++++++++++++
 .../fanfix/library/WebLibraryServerHtml.java  | 101 ++++-------
 .../templates/WebLibraryServerTemplates.java  | 162 ++++++++++++++++++
 .../fanfix/library/web/templates/index.html   |  50 ++++++
 .../fanfix/library/web/templates/viewer.html  |   1 +
 5 files changed, 356 insertions(+), 71 deletions(-)
 create mode 100644 src/be/nikiroo/fanfix/library/Template.java
 create mode 100644 src/be/nikiroo/fanfix/library/web/templates/index.html
 create mode 100644 src/be/nikiroo/fanfix/library/web/templates/viewer.html

diff --git a/src/be/nikiroo/fanfix/library/Template.java b/src/be/nikiroo/fanfix/library/Template.java
new file mode 100644
index 00000000..e247e279
--- /dev/null
+++ b/src/be/nikiroo/fanfix/library/Template.java
@@ -0,0 +1,113 @@
+package be.nikiroo.fanfix.library;
+
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import be.nikiroo.utils.IOUtils;
+import be.nikiroo.utils.StringUtils;
+import be.nikiroo.utils.streams.ReplaceInputStream;
+
+public class Template {
+	private Class<?> location;
+	private String name;
+
+	private Map<String, String> values = new HashMap<String, String>();
+	private Map<String, Template> valuesTemplate = new HashMap<String, Template>();
+	private Map<String, List<Template>> valuesTemplateList = new HashMap<String, List<Template>>();
+
+	public Template(Class<?> location, String name) {
+		this.location = location;
+		this.name = name;
+	}
+
+	public synchronized InputStream read() throws IOException {
+
+		String from[] = new String[values.size() + valuesTemplate.size()
+				+ valuesTemplateList.size()];
+		String to[] = new String[from.length];
+
+		int i = 0;
+
+		for (String key : values.keySet()) {
+			from[i] = "${" + key + "}";
+			to[i] = values.get(key);
+
+			i++;
+		}
+		for (String key : valuesTemplate.keySet()) {
+			InputStream value = valuesTemplate.get(key).read();
+			try {
+				from[i] = "${" + key + "}";
+				to[i] = IOUtils.readSmallStream(value);
+			} finally {
+				value.close();
+			}
+
+			i++;
+		}
+		for (String key : valuesTemplateList.keySet()) {
+			List<Template> templates = valuesTemplateList.get(key);
+			StringBuilder value = new StringBuilder();
+			for (Template template : templates) {
+				InputStream valueOne = template.read();
+				try {
+					value.append(IOUtils.readSmallStream(valueOne));
+				} finally {
+					valueOne.close();
+				}
+			}
+			from[i] = "${" + key + "}";
+			to[i] = value.toString();
+
+			i++;
+		}
+
+		InputStream in = IOUtils.openResource(location, name);
+		
+		//TODO: pending fix in replace stream
+		String data = IOUtils.readSmallStream(in);
+		in.close();
+		for(i = 0 ; i < from.length;i++) {
+			data=data.replace(from[i], to[i]);
+		}
+		
+		//in = new ReplaceInputStream(in, from, to);
+		in = new ByteArrayInputStream(StringUtils.getBytes(data));
+		// END TODO
+		
+		return in;
+	}
+
+	public synchronized Template set(String key, String value) {
+		values.put(key, value);
+		valuesTemplate.remove(key);
+		valuesTemplateList.remove(key);
+		return this;
+	}
+
+	public synchronized Template set(String key, Template value) {
+		values.remove(key);
+		valuesTemplate.put(key, value);
+		valuesTemplateList.remove(key);
+		return this;
+	}
+
+	public synchronized Template set(String key, List<Template> value) {
+		values.remove(key);
+		valuesTemplate.remove(key);
+		valuesTemplateList.put(key, value);
+		return this;
+	}
+
+	@Override
+	public String toString() {
+		return String.format(
+				"[Template for %s with (%d,%d,%d) value(s) to replace]", name,
+				values.size(), valuesTemplate.size(),
+				valuesTemplateList.size());
+	}
+}
diff --git a/src/be/nikiroo/fanfix/library/WebLibraryServerHtml.java b/src/be/nikiroo/fanfix/library/WebLibraryServerHtml.java
index 69d86717..f3432c38 100644
--- a/src/be/nikiroo/fanfix/library/WebLibraryServerHtml.java
+++ b/src/be/nikiroo/fanfix/library/WebLibraryServerHtml.java
@@ -5,6 +5,8 @@ import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.security.KeyStore;
+import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -36,6 +38,9 @@ abstract class WebLibraryServerHtml implements Runnable {
 	private NanoHTTPD server;
 	protected TraceHandler tracer = new TraceHandler();
 
+	WebLibraryServerTemplates templates = WebLibraryServerTemplates
+			.getInstance();
+
 	abstract protected WLoginResult login(String who, String cookie);
 
 	abstract protected WLoginResult login(String who, String key,
@@ -346,9 +351,6 @@ abstract class WebLibraryServerHtml implements Runnable {
 			WLoginResult login) throws IOException {
 		BasicLibrary lib = Instance.getInstance().getLibrary();
 		MetaResultList result = new MetaResultList(metas(login));
-		StringBuilder builder = new StringBuilder();
-
-		builder.append(getTemplateIndexPreBanner(true));
 
 		Map<String, String> params = session.getParms();
 
@@ -372,15 +374,13 @@ abstract class WebLibraryServerHtml implements Runnable {
 
 		// TODO: javascript in realtime, using visible=false + hide [submit]
 
-		StringBuilder selects = new StringBuilder();
+		List<Template> selects = new ArrayList<Template>();
 		boolean sourcesSel = false;
 		boolean authorsSel = false;
 		boolean tagsSel = false;
 
-		String selectTemplate = getTemplate("browser.select");
-
 		if (!browser.isEmpty()) {
-			StringBuilder options = new StringBuilder();
+			List<Template> options = new ArrayList<Template>();
 
 			if (browser.equals("sources")) {
 				sourcesSel = true;
@@ -389,8 +389,8 @@ abstract class WebLibraryServerHtml implements Runnable {
 				// TODO: if 1 group -> no group
 				Map<String, List<String>> sources = result.getSourcesGrouped();
 				for (String source : sources.keySet()) {
-					options.append(
-							getTemplateBrowserOption(source, source, browser2));
+					options.add(
+							templates.browserOption(source, source, browser2));
 				}
 			} else if (browser.equals("authors")) {
 				authorsSel = true;
@@ -399,28 +399,23 @@ abstract class WebLibraryServerHtml implements Runnable {
 				// TODO: if 1 group -> no group
 				Map<String, List<String>> authors = result.getAuthorsGrouped();
 				for (String author : authors.keySet()) {
-					options.append(
-							getTemplateBrowserOption(author, author, browser2));
+					options.add(
+							templates.browserOption(author, author, browser2));
 				}
 			} else if (browser.equals("tags")) {
 				tagsSel = true;
 				filterTag = browser2.isEmpty() ? filterTag : browser2;
 
 				for (String tag : result.getTags()) {
-					options.append(
-							getTemplateBrowserOption(tag, tag, browser2));
+					options.add(templates.browserOption(tag, tag, browser2));
 				}
 			}
 
-			selects.append(selectTemplate //
-					.replace("${name}", "browser2") //
-					.replace("${value}", browser2) //
-					.replace("${options}", options.toString()) //
-			);
+			selects.add(templates.browserSelect("browser2", browser2, options));
 		}
 
 		if (!browser2.isEmpty()) {
-			StringBuilder options = new StringBuilder();
+			List<Template> options = new ArrayList<Template>();
 
 			if (browser.equals("sources")) {
 				filterSource = browser3.isEmpty() ? filterSource : browser3;
@@ -430,7 +425,7 @@ abstract class WebLibraryServerHtml implements Runnable {
 				if (sources != null && !sources.isEmpty()) {
 					// TODO: single empty value
 					for (String source : sources) {
-						options.append(getTemplateBrowserOption(source, source,
+						options.add(templates.browserOption(source, source,
 								browser3));
 					}
 				}
@@ -442,29 +437,16 @@ abstract class WebLibraryServerHtml implements Runnable {
 				if (authors != null && !authors.isEmpty()) {
 					// TODO: single empty value
 					for (String author : authors) {
-						options.append(getTemplateBrowserOption(author, author,
+						options.add(templates.browserOption(author, author,
 								browser3));
 					}
 				}
 			}
 
-			selects.append(selectTemplate //
-					.replace("${name}", "browser3") //
-					.replace("${value}", browser3) //
-					.replace("${options}", options.toString()) //
-			);
+			selects.add(templates.browserSelect("browser3", browser3, options));
 		}
 
-		String sel = "selected='selected'";
-		builder.append(getTemplate("browser") //
-				.replace("${sourcesSelected}", sourcesSel ? sel : "") //
-				.replace("${authorsSelected}", authorsSel ? sel : "") //
-				.replace("${tagsSelected}", tagsSel ? sel : "") //
-				.replace("${filter}", filter) //
-				.replace("${selects}", selects.toString()) //
-		);
-
-		builder.append("\t\t<div class='books'>\n");
+		List<Template> booklines = new ArrayList<Template>();
 		for (MetaData meta : result.getMetas()) {
 			if (!filter.isEmpty() && !meta.getTitle().toLowerCase()
 					.contains(filter.toLowerCase())) {
@@ -492,29 +474,20 @@ abstract class WebLibraryServerHtml implements Runnable {
 				author = "(" + meta.getAuthor() + ")";
 			}
 
-			String cachedClass = "cached";
-			String cached = "&#9673;";
-			if (!lib.isCached(meta.getLuid())) {
-				cachedClass = "uncached";
-				cached = "&#9675;";
-			}
-
-			builder.append(getTemplate("bookline") //
-					.replace("${href}",
-							WebLibraryUrls.getViewUrl(meta.getLuid(), null,
-									null)) //
-					.replace("${luid}", meta.getLuid()) //
-					.replace("${title}", meta.getTitle()) //
-					.replace("${author}", author) //
-					.replace("${cachedClass}", cachedClass) //
-					.replace("${cached}", cached) //
-			);
+			booklines.add(templates.bookline( //
+					meta.getLuid(), //
+					WebLibraryUrls.getViewUrl(meta.getLuid(), null, null), //
+					meta.getTitle(), //
+					author, //
+					lib.isCached(meta.getLuid()) //
+			));
 		}
-		builder.append("\t\t</div>\n");
-
-		builder.append(getTemplate("index.post"));
 
-		return NanoHTTPD.newFixedLengthResponse(builder.toString());
+		// Add the browser in front of the booklines
+		booklines.add(0, templates.browser(browser, filter, selects));
+		
+		return newInputStreamResponse(NanoHTTPD.MIME_HTML,
+				templates.index(true, booklines).read());
 	}
 
 	private Response getViewer(Map<String, String> cookies, String uri,
@@ -850,20 +823,6 @@ abstract class WebLibraryServerHtml implements Runnable {
 		return html;
 	}
 
-	private String getTemplateBrowserOption(String name, String value,
-			String selected) throws IOException {
-		String selectedAttribute = "";
-		if (value.equals(selected)) {
-			selectedAttribute = " selected='selected'";
-		}
-
-		return getTemplate("browser.option" //
-				.replace("${value}", value) //
-				.replace("${selected}", selectedAttribute) //
-				.replace("${name}", name) //
-		);
-	}
-
 	private String getTemplate(String template) throws IOException {
 		// TODO: check if it is "slow" -> map cache
 		InputStream in = IOUtils.openResource(WebLibraryServerTemplates.class,
diff --git a/src/be/nikiroo/fanfix/library/web/templates/WebLibraryServerTemplates.java b/src/be/nikiroo/fanfix/library/web/templates/WebLibraryServerTemplates.java
index 482a1b82..ba4deb83 100644
--- a/src/be/nikiroo/fanfix/library/web/templates/WebLibraryServerTemplates.java
+++ b/src/be/nikiroo/fanfix/library/web/templates/WebLibraryServerTemplates.java
@@ -1,4 +1,166 @@
 package be.nikiroo.fanfix.library.web.templates;
 
+import java.util.List;
+
+import be.nikiroo.fanfix.Instance;
+import be.nikiroo.fanfix.bundles.UiConfig;
+import be.nikiroo.fanfix.library.Template;
+import be.nikiroo.utils.Version;
+
 public class WebLibraryServerTemplates {
+	static private WebLibraryServerTemplates instance = new WebLibraryServerTemplates();
+
+	static public WebLibraryServerTemplates getInstance() {
+		return instance;
+	}
+
+	public Template bookline(String luid, String href, String title,
+			String author, boolean cached) {
+
+		String cachedClass = "cached";
+		String cachedValue = "&#9673;";
+		if (!cached) {
+			cachedClass = "uncached";
+			cachedValue = "&#9675;";
+		}
+
+		return new Template(getClass(), "bookline.html") //
+				.set("href", href) //
+				.set("cachedClass", cachedClass) //
+				.set("cached", cachedValue) //
+				.set("luid", luid) //
+				.set("title", title) //
+				.set("author", author) //
+		;
+	}
+
+	public Template browser(String selectedValue, String filter,
+			List<Template> selects) {
+		return new Template(getClass(), "browser.html") //
+				.set("sourcesSelected",
+						"sources".equals(selectedValue) ? "selected='selected'"
+								: "") //
+				.set("authorsSelected",
+						"authors".equals(selectedValue) ? "selected='selected'"
+								: "") //
+				.set("tagsSelected",
+						"tags".equals(selectedValue) ? "selected='selected'"
+								: "") //
+				.set("filter", filter) //
+				.set("selects", selects) //
+		;
+	}
+
+	public Template browserOption(String name, String value,
+			String selectedValue) {
+		return new Template(getClass(), "browser.option.html") //
+				.set("value", value) //
+				.set("selected",
+						value.equals(selectedValue) ? "selected='selected'"
+								: "") //
+				.set("name", name) //
+		;
+	}
+
+	public Template browserSelect(String name, String value,
+			List<Template> options) {
+		return new Template(getClass(), "browser.select.html") //
+				.set("name", name) //
+				.set("value", value) //
+				.set("options", options) //
+		;
+	}
+
+	public Template index(boolean banner, List<Template> content) {
+		String favicon = "favicon.ico";
+		String icon = Instance.getInstance().getUiConfig()
+				.getString(UiConfig.PROGRAM_ICON);
+		if (icon != null) {
+			favicon = "icon_" + icon.replace("-", "_") + ".png";
+		}
+
+		Template index = new Template(getClass(), "index.html") //
+				.set("title", "Fanfix") //
+				.set("favicon", favicon) //
+				.set("content", content) //
+		;
+
+		if (banner) {
+			index.set("banner", new Template(getClass(), "index.banner.html") //
+					.set("favicon", favicon) //
+					.set("version", Version.getCurrentVersion().toString()) //
+			);
+		} else {
+			index.set("banner", "");
+		}
+
+		return index;
+	}
+
+	public Template viewer(Template browser, List<Template> booklines) {
+		// TODO
+		return null;
+	}
+
+	public Template viewerImage(String src, String href, String zoomStyle) {
+		return new Template(getClass(), "viewer.image.html") //
+				.set("src", src) //
+				.set("href", href) //
+				.set("zoomStyle", zoomStyle) //
+		;
+	}
+
+	public Template viewerText(List<Template> desc, List<Template> content) {
+		return new Template(getClass(), "viewer.text.html") //
+				.set("desc", desc) //
+				.set("content", content) //
+		;
+	}
+
+	public Template viewerLink(String name, String link, String className) {
+		return new Template(getClass(), "viewer.link.html") //
+				.set("link", link) //
+				.set("class", className) //
+				.set("name", name) //
+		;
+	}
+
+	public Template viewerNavbar(int current, List<Template> links,
+			String hrefFirst, String hrefPrevious, String hrefNext,
+			String hrefLast, boolean disabledFirst, boolean disabledPrevious,
+			boolean disabledNext, boolean disabledLast) {
+		return new Template(getClass(), "viewer.navbar.html") //
+				.set("disabledFirst",
+						disabledFirst ? "disabled='disabled'" : "") //
+				.set("disabledPrevious",
+						disabledPrevious ? "disabled='disabled'" : "") //
+				.set("disabledNext", disabledNext ? "disabled='disabled'" : "") //
+				.set("disabledLast", disabledLast ? "disabled='disabled'" : "") //
+				.set("hrefFirst", hrefFirst) //
+				.set("hrefPrevious", hrefPrevious) //
+				.set("hrefNext", hrefNext) //
+				.set("hrefLast", hrefLast) //
+				.set("current", Integer.toString(current)) //
+				.set("links", links) //
+		;
+	}
+
+	// numberOfButtons = 4 or 1 or the moment
+	public Template viewerOptionbar(int numberOfButtons,
+			List<Template> buttons) {
+		return new Template(getClass(), "viewer.optionbar.html") //
+				.set("classSize", "s" + numberOfButtons) //
+				.set("buttons", buttons) //
+		;
+	}
+
+	public Template viewerOptionbarButton(String value, String href,
+			String className, boolean disabled) {
+		return new Template(getClass(), "viewer.optionbar.button.html") //
+				.set("disabled", disabled ? "disabled='disabled'" : "") //
+				.set("class", className) //
+				.set("href", href) //
+				.set("value", value) //
+		;
+	}
 }
diff --git a/src/be/nikiroo/fanfix/library/web/templates/index.html b/src/be/nikiroo/fanfix/library/web/templates/index.html
new file mode 100644
index 00000000..29b8d2c7
--- /dev/null
+++ b/src/be/nikiroo/fanfix/library/web/templates/index.html
@@ -0,0 +1,50 @@
+<!DOCTYPE html>
+<html>
+<head>
+<!--
+	Copyright 2020 David ROULET
+	
+	This file is part of fanfix.
+	
+	fanfix is free software: you can redistribute it and/or modify
+	it under the terms of the GNU Affero General Public License as published by
+	the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+	
+	fanfix is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU Affero General Public License for more details.
+	
+	You should have received a copy of the GNU Affero General Public License
+	along with fanfix.  If not, see <https://www.gnu.org/licenses/>.
+	___________________________________________________________________________
+
+       This website was coded by:
+       		A kangaroo.
+                                                  _  _
+                                                 (\\( \
+                                                  `.\-.)
+                              _...._            _,-"   `-.
+\                           ,"      `-._.- -.,-"       .  \
+ \`.                      ,"                               `.
+  \ `-...__              /                           .   .:  y
+   `._     ``-...__     /                           ,"```-._/
+      `-._         ```-"                      |    /_          //
+          `.._                   _            ;   <_ \        //
+              ``-.___             `.           `-._ \ \      //
+                     `- <           `.     (\ _/)/ `.\/     //
+                         \            \     `       ^^^^^^^^^
+	___________________________________________________________________________
+	
+	-->
+	<meta http-equiv="content-type" content="text/html; charset=utf-8">
+	<meta name="viewport" content="width=device-width, initial-scale=1.0">
+	<title>${title}</title>
+	<link rel="stylesheet" type="text/css" href="/style.css" />
+	<link rel="icon" type="image/x-icon" href="/${favicon}" />
+</head>
+<body>
+	<div class='main'>
+${banner}${content}	</div>
+</body>
diff --git a/src/be/nikiroo/fanfix/library/web/templates/viewer.html b/src/be/nikiroo/fanfix/library/web/templates/viewer.html
new file mode 100644
index 00000000..f4b42153
--- /dev/null
+++ b/src/be/nikiroo/fanfix/library/web/templates/viewer.html
@@ -0,0 +1 @@
+${browser}${viewer}
\ No newline at end of file
-- 
2.27.0