Add a Groovy script to generate a book

Author: sdelamo

book.groovy

@@ -0,0 +1,100 @@
+@Grapes(
+        @Grab(group='org.yaml', module='snakeyaml', version='1.4')
+)
+import groovy.io.FileType
+import org.yaml.snakeyaml.Yaml
+
+Properties gradleProperties = new Properties()
+File propertiesFile = new File('gradle.properties')
+propertiesFile.withInputStream {
+    gradleProperties.load(it)
+}
+
+def rootRespositoryName = 'grails-guides'
+def buildFolder = 'build'
+def bookOutputFolder = "${buildFolder}/book"
+def bookOutputImagesFolder = "${bookOutputFolder}/images"
+def bookOutputSourceFolder = "${bookOutputFolder}/src"
+
+if ( new File(bookOutputFolder).exists() ) {
+    new File(bookOutputFolder).deleteDir()
+}
+
+[buildFolder, bookOutputFolder, bookOutputImagesFolder, bookOutputSourceFolder].each { String folderName ->
+    def folder = new File(folderName)
+    if( !folder.exists() ) {
+        folder.mkdirs()
+    }
+}
+def frontCoverImageName = 'front-cover.png'
+
+def sout = new StringBuilder()
+serr = new StringBuilder()
+Process process = "cp ${frontCoverImageName} ${bookOutputImagesFolder}/${frontCoverImageName}".execute()
+process.consumeProcessOutput(sout, serr)
+process.waitForOrKill(1000)
+
+new AntBuilder().copy(todir: bookOutputSourceFolder) {
+    fileset(dir: 'complete', includes: "**")
+}
+
+new AntBuilder().copy(todir: bookOutputFolder) {
+    fileset(dir: 'build/resources/grails-guides-master/src/main/docs', includes: "**")
+}
+
+new AntBuilder().copy(todir: bookOutputFolder) {
+    fileset(dir: 'src/main/docs/guide', includes: "**")
+}
+
+def adocList = []
+
+def dir = new File(bookOutputFolder)
+dir.eachFileRecurse (FileType.FILES) { file ->
+    adocList << file
+}
+
+adocList.each {
+    if ( it.path.endsWith('.adoc') ) {
+        new AntBuilder().replace(file: it.path, token: 'include::{commondir}/', value: 'include::')
+    }
+}
+
+
+def bookName = "${gradleProperties.githubSlug.replaceAll("${rootRespositoryName}/" as String, '')}.adoc"
+
+
+def bookFile = new File("${bookOutputFolder}/${bookName}")
+bookFile.createNewFile()
+bookFile.text = ''
+bookFile << "= ${gradleProperties.title}\n"
+bookFile << "${gradleProperties.authors}\n"
+bookFile << 'v1.0, 2017-01-13\n'
+bookFile << ':doctype: book\n'
+bookFile << ":producer: ${gradleProperties.bookProducer}\n"
+bookFile << ":keywords: ${gradleProperties.bookKeywords}\n"
+bookFile << ":copyright: ${gradleProperties.copyright}\n"
+bookFile << ":imagesdir: images\n"
+bookFile << ":sourcedir: src\n"
+bookFile << ":front-cover-image: image:front-cover.png[Front Cover,1050,1600]\n"
+bookFile << ":toc:\n"
+
+Yaml yaml = new Yaml()
+def data = new File('src/main/docs/guide/toc.yml').text
+def map = (Map) yaml.load(data)
+
+for ( String chapterName : map.keySet() ) {
+    bookFile << "include::${chapterName}.adoc[]\n"
+    def chapterFile = new File("${bookOutputFolder}/${chapterName}.adoc")
+    def lines = chapterFile.readLines()
+    lines = lines.plus(0, "[[${chapterName}.adoc]]\n= ${map[chapterName].title}\n")
+    chapterFile.text = lines.join('\n')
+
+    for ( String subchapterName : map[chapterName].keySet().findAll { it != 'title' } ) {
+        chapterFile.append("\n\ninclude::${subchapterName}.adoc[]")
+        def subchapterFile = new File("${bookOutputFolder}/${subchapterName}.adoc")
+        lines = subchapterFile.readLines()
+        lines = lines.plus(0, "== ${map[chapterName][subchapterName]}\n")
+        subchapterFile.text = lines.join('\n')
+    }
+
+}

front-cover.png

@@ -3,4 +3,7 @@ subtitle=Learn how to create your first Grails app
 authors=Zachary Klein
 copyright=Copies of this document may be made for your own use and for distribution to others, provided that you do not charge any fee for such copies and further provided that each copy contains this Copyright Notice, whether distributed in print or electronically. All guides are released with an ASLv2 license for the code, and Creative Commons license for the writing. 
 githubSlug=grails-guides/creating-your-first-grails-app
-githubBranch=master
+githubBranch=master
+bookProducer=OCI
+bookKeywords=Grails, GSP 
+bookCopyright=OCI 2017. All Rights reserved