codex/app/scripts/controllers/image-view-ctrl.js

/**
 * @ngdoc function
 * @name domainManagerApp.controller:AboutCtrl
 * @description
 * # AboutCtrl
 * Controller of the domainManagerApp
 */
angular.module('codexApp.imageView', [])
  .controller('ImageViewCtrl',['$scope', '$rootScope', '$state', 'FileService', function ($scope,  $rootScope, $state, FileService) {

    var filesystem = require("fs");

    console.log('-> Image View opened!')

    $scope.note = FileService.getCurrentNote();
    $scope.container = "note-container";
    $scope.image_path = $scope.note.path;





    $scope.fixRelativeURL = function(current_url, relative_url) {
      console.log("-> Fixing URL")
      console.log("   * Relative URL: " + relative_url)
      console.log("   * Note URL: " + current_url)
      // split urls and create arrays
      var current_path = current_url.split('/');
      var relative_path = relative_url.split('/');
      // remove the current note's filename from the url
      current_path.pop();
      // count how many folders the relative path goes back and erase '..'
      var count = 0;
      for (var i = 0; i < relative_path.length; i++) {
        if(relative_path[i] == ".."){
          count = count + 1;
          relative_path[i] = "";
        }
      }
      // make the relative path a string again
      relative_path = relative_path.join('/');
      // remove the same count of folders from the end of the current notes url
      for (var i = 0; i < count; i++) {
        current_path.pop();
      }
      // make the current note's url a string again
      current_path = current_path.join('/');
      // add a '/' if the relative url pointed to a file or folder above the current notes root
      if(count == 0){
        var fixed_url = current_path + "/" + relative_path;
      } else {
        var fixed_url = current_path + relative_path;
      }
      // return the fixed relative url
      console.log("   * Fixed URL: " + fixed_url)
      return fixed_url;
    }



    $scope.absoluteToRelativeURL = function(current_url, absolute_url) {
      console.log("-> Converting absolute URL to relative")
      console.log("   * Absolute URL: " + absolute_url)
      console.log("   * Note URL: " + current_url)
      // split urls and create arrays
      var current_path = current_url.split('/');
      var absolute_path = $scope.getUrlParts(absolute_url).pathname.split('/');
      // remove the current note's filename from the url and the image filename from the url
      current_path.pop();
      current_path.shift();
      absolute_path.shift();
      // count how many folders the current path has
      var current_path_count = 0;
      for (var i = 0; i < current_path.length; i++) {
        current_path_count = current_path_count + 1;
      }
      // count how many folders the absolute path has
      var absolute_path_count = 0;
      for (var i = 0; i < absolute_path.length; i++) {
        absolute_path_count = absolute_path_count + 1;
      }
      absolute_path_count = absolute_path_count - 1;
      console.log("   * Cleaned current  URL (" + current_path_count + " parts): " + current_path.join('/'))
      console.log("   * Cleaned absolute URL (" + absolute_path_count + " parts): " + absolute_path.join('/'))
      dif = current_path_count - (absolute_path_count -1);
      for (var i = 0; i < absolute_path_count; i++) {
        absolute_path.shift();
      }
      console.log("   * Modified current  URL (" + current_path_count + " parts): " + current_path.join('/'))
      console.log("   * Modified absolute URL (" + absolute_path_count + " parts): " + absolute_path.join('/'))
      // make the relative path a string again
      var relative_path = absolute_path.join('/');
      console.log("   * Converted relative URL: " + relative_path)
      return relative_path;
    }

    $scope.getUrlParts = function(url) {
        var a = document.createElement('a');
        a.href = url;

        return {
            href: a.href,
            host: a.host,
            hostname: a.hostname,
            port: a.port,
            pathname: a.pathname,
            protocol: a.protocol,
            hash: a.hash,
            search: a.search
        };
    }

  }]);