APIs for Librarians

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  <ul id="prelinger"></ul>

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 .flexy-container {
display: flex;
align-items: center;
margin-bottom: .75em;
font-family: "Martel";
color: #333;
font-size: 16px;
}
.flexy-container .left {
padding: 1rem;
}
@media (max-width: 500px) {
.flexy-container {
flex-wrap: wrap;
}
.flexy-container img {
display: block;
margin: 0 auto;
}
}
.flexy-container a {
text-decoration: dotted underline gray;
color: #333;
}
.prelinger-title {
font-weight: bold;
font-size: 1.1em;
}
.prelinger-pic img {
max-width: 180px;
}

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var APIS4_prelinger = function(){
/*
 * jQuery Shorten plugin 1.1.0
 *
 * Copyright (c) 2014 Viral Patel
 * http://viralpatel.net
 *
 * Licensed under the MIT license:
 *   http://www.opensource.org/licenses/mit-license.php
 */
/*
** updated by Jeff Richardson
** Updated to use strict,
** IE 7 has a "bug" It is returning undefined when trying to reference string characters in this format
** content[i]. IE 7 allows content.charAt(i) This works fine in all modern browsers.
** I've also added brackets where they weren't added just for readability (mostly for me).
*/
(function($) {
    $.fn.shorten = function(settings) {
      "use strict";
      var config = {
        showChars: 100,
        minHideChars: 10,
        ellipsesText: "...",
        moreText: "more",
        lessText: "less",
        onLess: function() {},
        onMore: function() {},
        errMsg: null,
        force: false
      };
      if (settings) {
        $.extend(config, settings);
      }
      if ($(this).data("jquery.shorten") && !config.force) {
        return false;
      }
      $(this).data("jquery.shorten", true);
      $(document).off("click", ".morelink");
      $(document).on(
        {
          click: function() {
            var $this = $(this);
            if ($this.hasClass("less")) {
              $this.removeClass("less");
              $this.html(config.moreText);
              $this
                .parent()
                .prev()
                .animate({ height: "0" + "%" }, function() {
                  $this
                    .parent()
                    .prev()
                    .prev()
                    .show();
                })
                .hide("fast", function() {
                  config.onLess();
                });
            } else {
              $this.addClass("less");
              $this.html(config.lessText);
              $this
                .parent()
                .prev()
                .animate({ height: "100" + "%" }, function() {
                  $this
                    .parent()
                    .prev()
                    .prev()
                    .hide();
                })
                .show("fast", function() {
                  config.onMore();
                });
            }
            return false;
          }
        },
        ".morelink"
      );
      return this.each(function() {
        var $this = $(this);
        var content = $this.html();
        var contentlen = $this.text().length;
        if (contentlen > config.showChars + config.minHideChars) {
          var c = content.substr(0, config.showChars);
          if (c.indexOf("<") >= 0) {
            // If there's HTML don't want to cut it
            var inTag = false; // I'm in a tag?
            var bag = ""; // Put the characters to be shown here
            var countChars = 0; // Current bag size
            var openTags = []; // Stack for opened tags, so I can close them later
            var tagName = null;
            for (var i = 0, r = 0; r <= config.showChars; i++) {
              if (content[i] == "<" && !inTag) {
                inTag = true;
                // This could be "tag" or "/tag"
                tagName = content.substring(i + 1, content.indexOf(">", i));
                // If its a closing tag
                if (tagName[0] == "/") {
                  if (tagName != "/" + openTags[0]) {
                    config.errMsg =
                      "ERROR en HTML: the top of the stack should be the tag that closes";
                  } else {
                    openTags.shift(); // Pops the last tag from the open tag stack (the tag is closed in the retult HTML!)
                  }
                } else {
                  // There are some nasty tags that don't have a close tag like <br/>
                  if (tagName.toLowerCase() != "br") {
                    openTags.unshift(tagName); // Add to start the name of the tag that opens
                  }
                }
              }
              if (inTag && content[i] == ">") {
                inTag = false;
              }
              if (inTag) {
                bag += content.charAt(i);
              } else {
                // Add tag name chars to the result
                r++;
                if (countChars <= config.showChars) {
                  bag += content.charAt(i); // Fix to ie 7 not allowing you to reference string characters using the []
                  countChars++;
                } else {
                  // Now I have the characters needed
                  if (openTags.length > 0) {
                    // I have unclosed tags
                    //console.log('They were open tags');
                    //console.log(openTags);
                    for (j = 0; j < openTags.length; j++) {
                      //console.log('Cierro tag ' + openTags[j]);
                      bag += "</" + openTags[j] + ">"; // Close all tags that were opened
                      // You could shift the tag from the stack to check if you end with an empty stack, that means you have closed all open tags
                    }
                    break;
                  }
                }
              }
            }
            c = $("<div/>")
              .html(
                bag + '<span class="ellip">' + config.ellipsesText + "</span>"
              )
              .html();
          } else {
            c += config.ellipsesText;
          }
          var html =
            '<div class="shortcontent">' +
            c +
            '</div><div class="allcontent">' +
            content +
            '</div><span><a href="javascript://nop/" class="morelink">' +
            config.moreText +
            "</a></span>";
          $this.html(html);
          $this.find(".allcontent").hide(); // Hide all text
          $(".shortcontent p:last", $this).css("margin-bottom", 0); //Remove bottom margin on last paragraph as it's likely shortened
        }
      });
    };
  })(jQuery);
  $(document).ready(function() {
    //Show our spinny preloader
    // document.getElementById("preloader").style.display = "";
    //Gets the data
    $.getJSON(
      "https://archive.org/advancedsearch.php?q=collection%3Aprelinger+avg_rating%3A[4.50+TO+5.00]&fl[]=avg_rating&fl[]=creator&fl[]=description&fl[]=identifier&fl[]=title&fl[]=year&sort[]=&sort[]=&sort[]=&rows=550&page=1&output=json&callback=?",
      function(data) {
        console.log(data);
        //Removes our preloader
        // document.getElementById("preloader").style.display = "none";
        let jsonContents = data.response.docs;
        let jsonResponseLength = data.response.docs.length;
        //This is the function to generate as many random numbers we want - with the amount of API results as the upper range.
        var getRandomNumbers = function(howMany, upperLimit) {
          var limit = howMany,
            amount = 1,
            lower_bound = 1,
            upper_bound = upperLimit,
            unique_random_numbers = [];
          if (amount > limit) limit = amount; //Infinite loop if you want more unique natural numbers than exist in a given range
          while (unique_random_numbers.length < limit) {
            var random_number = Math.floor(
              Math.random() * (upper_bound - lower_bound) + lower_bound
            );
            if (unique_random_numbers.indexOf(random_number) == -1) {
              unique_random_numbers.push(random_number);
            }
          }
          return unique_random_numbers;
        };
        //This is where we actually specify how many random numbers (and therefore how many books) we want generated.
        var ourRandoms = getRandomNumbers(4, jsonResponseLength);
        class PrelingerVideo {
          constructor(theBookStuff) {
            this.theBookStuff = theBookStuff;
          }
          getToAppending() {
            var domsn = document.getElementById("prelinger");
            domsn.insertAdjacentHTML("beforeend", this.theBookStuff);
          }
        }
        for (i = 0; i < ourRandoms.length; i++) {
          let theBookStuff = `<li class=flexy-container><div class="left"><div class="prelinger-pic"><a href="https://archive.org/details/${
            jsonContents[ourRandoms[i]].identifier
          }"><img src="https://archive.org/services/img/${
            jsonContents[ourRandoms[i]].identifier
          }"></a></div></div><div class="right">
          <div class="prelinger-title"><a href="https://archive.org/details/${
            jsonContents[ourRandoms[i]].identifier
          }">${jsonContents[ourRandoms[i]].title}</a></div>
          <div class="prelinger-creator">Creator(s): ${
            jsonContents[ourRandoms[i]].creator
          }</div>
          <div class="prelinger-year">Year: ${
            jsonContents[ourRandoms[i]].year
          }</div>
          <div class="prelinger-rating"><span>User Rating:</span> ${
            jsonContents[ourRandoms[i]].avg_rating
          }</div>
          <div class="prelinger-description">Description: ${
            jsonContents[ourRandoms[i]].description
          }</div>
   
          </div>
          </li>`;
          let ttttt = new PrelingerVideo(theBookStuff);
          ttttt.getToAppending();
        }
        $(".prelinger-description").shorten();
      }
    );
  });
  };APIS4_prelinger();