Katalog-to-markdown.jsx

#target indesign

Array.prototype.each = function(fun){
  var result = [];
  
  for(var i = 0; i < this.length; i++){
    var el = this[i];
    var r = fun(el);
    if (r) result.push(r);
    }
  
  return result;
  };

Array.prototype.first = function(predicate){
  for(var i = 0; i < this.length; i++){
    var el = this[i];
    var found = predicate(el);
    if (found) return el;
    }
  return null;
  };

Array.prototype.filter = function(predicate){
  var result = [];
  
  this.each(function(el){
    var found = predicate(el);
    if (found) result.push(el);
    });
  
  return result;
  };

String.prototype.clean = function(){
  return this.replace(/[\r\n]+/g, " ").replace(/\u00AD/g, "").replace(/^\s+|\s+$/g, "");
  };

var MarkdownExport = (function(app){
  var files = [
    { title: /Model-View-Controller/,            name: "trainings/basiswissen/aspnet-mvc.md" },    
    { title: /Expression Blend/,                 name: "trainings/basiswissen/expression-blend.md" },    
    { title: /Git/,                              name: "trainings/basiswissen/git.md" },    
    { title: /NHibernate/,                       name: "trainings/basiswissen/nhibernate.md" },    
    { title: /Software Design Patterns/,         name: "trainings/basiswissen/patterns.md" },    
    { title: /ReSharper/,                        name: "trainings/basiswissen/resharper.md" },
    { title: /SOLID/,                            name: "trainings/basiswissen/solid.md" },
    { title: /Behavior Driven/,                  name: "trainings/basiswissen/bdd.md" },
    
    { title: /BizTalk/,                          name: "trainings/advanced/biztalk.md" },
    { title: /Castle/,                           name: "trainings/advanced/castle-windsor.md" },
    { title: /REST/,                             name: "trainings/advanced/rest-web-api.md" },
    { title: /Reactive/,                         name: "trainings/advanced/rx-linq.md" },
    { title: /Spezifikation/,                    name: "trainings/advanced/spezifikation-durch-beispiele.md" },
    { title: /Windows CE/,                       name: "trainings/advanced/windows-ce-mobile.md" },
    { title: /Windows Phone/,                    name: "trainings/advanced/windows-phone.md" },
    
    { title: /Application Lifecycle Management/, name: "trainings/strategie/alm.md" },    
    { title: /Rhetorik/,                         name: "trainings/strategie/rhetorik.md" },
    { title: /TeamCity/,                         name: "trainings/strategie/teamcity-youtrack.md" }
  ];  
  
  var formats = [
    { name: /Überschrift 1/, prefix: "\r\n# " },
    { name: /Überschrift 2/, prefix: "\r\n## " },
    { name: /Liste Ebene 1/, prefix: "* " },
    { name: /Liste Ebene 2/, prefix: "  * " },
    { name: /.*/, prefix: "" }      
    ];
    
  var meta_types = [
    { expr: /^MVP/,        action: function(meta, item) { meta.training.tags.push('mvp'); } },
    { expr: /^JB/,         action: function(meta, item) { meta.training.tags.push('jb'); } },
    { expr: /^Buch/,       action: function(meta, item) { meta.training.tags.push('book_author'); } },
    { expr: /^\d+\s+Tag/,  action: function(meta, item) { meta.training.attend.push(item.contents.clean()); } },
    { expr: /^für\s+\d+/,  action: function(meta, item) { meta.training.attend.push(item.contents.clean()); } },
    { expr: /^Lizenzen/,   action: function(meta, item) { meta.training.extra.push(item.contents.clean()); } },
    { expr: /\u2014/,      action: function(meta, item) { 
        var text = item.paragraphs[0].contents.substring(1);
        text = text.substring(0, text.length - 2);

        var author_info = item.paragraphs[1].contents.clean().substring(2);
        var info = author_info.replace(/^.+?,\s+/, "");
        
        var quote = {
          quote: text.replace(/[\r\n]+/g, "<br>"),
          author: author_info.replace(/,.*/g, "")
          }; 
        
        if(quote.author !== info) {
          quote.info = info;
        }
  
        meta.quotes.push(quote); 
        } 
      },
    { expr: /.*/,          action: function(meta, item) { 
        //alert("Unknown metadata: " + item.contents); 
        } 
      }      
    ];
      
  var createCopy = function(){
      return app.documents.add();
    };
  
  var closeDocument = function(temp){
    temp.close(SaveOptions.NO);
    };
  
  var copyPages = function(from, to){
    var pages = from.pages.itemByRange(10, 37);
    pages.duplicate(LocationOptions.AFTER, to.pages.firstItem());
    // Remove default-empty first page of temp document.
    to.pages.firstItem().remove();
    };
  
  var convertMetadata = function(story){
    var meta = {
      training: {
        attend: [],
        tags: [],
        extra: [],
        },
      quotes: []
      };    
    
    var adder_for = function(item){
      var match = meta_types.first(function(type){
        return type.expr.test(item.contents);
        });
      
      return function(meta) { match.action(meta, item); };
      };
    
    var yaml = ["---", "menu_order: 0", ""];
    
    yaml.push("title: " + story.paragraphs.firstItem().contents.clean());
    yaml.push("");
    
    story.allPageItems.each(function(item){
        if(!(item instanceof TextFrame))
        {
          return;
        }
        adder = adder_for(item);
        adder(meta);
      });
    
    yaml.push("training:");

    if(meta.training.attend.length > 0) {        
      yaml.push("  attend:");
      meta.training.attend.each(function(e){
        yaml.push("    - " + e);
        });
    }
  
    if(meta.training.tags.length > 0) {    
      yaml.push("  tags:");
      meta.training.tags.each(function(e){
        yaml.push("    - " + e);
        });    
    }
  
    if(meta.training.extra.length > 0) {
      yaml.push("  extra:");
      meta.training.extra.each(function(e){
        yaml.push("    - " + e);
        });    
    }
    
    if(meta.quotes.length > 0) {
      yaml.push("quotes:");
      meta.quotes.each(function(e){
        yaml.push("  -");
        yaml.push("    author: " + e.author);
        if(e.info) {
          yaml.push("    info: " + e.info);
        }
        yaml.push("    quote: " + e.quote);
        });    
    }
    
    yaml.push("---");
    
    return yaml.join("\r\n");
    };
  
  var convertToMarkdown = function(story){
    var markdown = "";
    
    story.paragraphs.everyItem().getElements().each(function(para){
      var format = formats.first(function(f){ 
        return f.name.test(para.appliedParagraphStyle.name);
        });

      markdown += format.prefix + para.contents.clean() + "\r\n";
      });
    
    return markdown;
    };
  
  var createFile = function(story, markdown){
    var title = story.paragraphs.firstItem().contents;
    title = title.clean().replace(/[\/\t]+/g, " ");
    
    var target = files.first(function(map) {
      return map.title.test(title);
      });
    
    target = Folder.temp + "/" + target.name;
    directory = target.substring(0, target.lastIndexOf('/'));
    
    if(!new Folder(directory).create()) alert("Could not create directory " + directory);    

    var file = new File(target);
    file.encoding = "UTF8";
    file.open('w');
    
    if(!file.write(markdown)) alert("Could not write " + file.fsName);
    file.close();
    };
  
  var api = {};

  api.init = function(){
    var doc = app.documents.everyItem().getElements().first(function(doc){
      return /^Katalog/.test(doc.name);
      });
    var temp = createCopy();
    copyPages(doc, temp);

    temp.stories.everyItem().getElements().filter(function(story) {
      return story.paragraphs.length > 5
      })
    .each(function(story) {
      var markdown = convertMetadata(story);
      markdown += convertToMarkdown(story);
      //var markdown = convertSidebar(story);
      
      // Replace object placement markers.
      markdown = markdown.replace(/\uFFFC+/g, "");
      
      createFile(story, markdown);
      });
    
    closeDocument(temp);
  };

  return api;
})(app);

MarkdownExport.init();