Use google scholar to fetch metadata

cps/editbooks.py

@@ -27,6 +27,15 @@ import json
 from shutil import copyfile
 from uuid import uuid4
 
+# Improve this to check if scholarly is available in a global way, like other pythonic libraries
+have_scholar = True
+try:
+    from scholarly import scholarly
+except ImportError:
+    have_scholar = False
+    pass
+
+
 from flask import Blueprint, request, flash, redirect, url_for, abort, Markup, Response
 from flask_babel import gettext as _
 from flask_login import current_user, login_required
@@ -996,6 +1005,26 @@ def convert_bookformat(book_id):
         flash(_(u"There was an error converting this book: %(res)s", res=rtn), category="error")
     return redirect(url_for('editbook.edit_book', book_id=book_id))
 
+@editbook.route("/scholarsearch/<query>",methods=['GET'])
+@login_required_if_no_ano
+@edit_required
+def scholar_search(query):
+    if have_scholar:
+        scholar_gen = scholarly.search_pubs(' '.join(query.split('+')))
+        i=0
+        result = []
+        for publication in scholar_gen:
+            del publication['source']
+            result.append(publication)
+            i+=1
+            if(i>=10):
+                break
+        return Response(json.dumps(result),mimetype='application/json')
+    else:
+        return 'Scholarly not installed'
+
+
+
 @editbook.route("/ajax/editbooks/<param>", methods=['POST'])
 @login_required_if_no_ano
 @edit_required

cps/static/js/get_meta.js

@@ -24,6 +24,7 @@
 var dbResults = [];
 var ggResults = [];
 var cvResults = [];
+var gsResults = [];
 
 $(function () {
   var msg = i18nMsg;
@@ -39,6 +40,10 @@ $(function () {
   var cvSearch = "/api/search/";
   var cvDone = 0;
 
+  var googlescholar = window.location.href.split('/admin/book')[0];
+  var gsSearch = "/scholarsearch/"
+  var gsDone = 0;
+
   var showFlag = 0;
 
   var templates = {
@@ -59,8 +64,10 @@ $(function () {
     $("#book_title").val(book.title);
     $("#tags").val(uniqueTags.join(","));
     $("#rating").data("rating").setValue(Math.round(book.rating));
+    if(book.cover !== null){
       $(".cover img").attr("src", book.cover);
       $("#cover_url").val(book.cover);
+    }
     $("#pubdate").val(book.publishedDate);
     $("#publisher").val(book.publisher);
     if (typeof book.series !== "undefined") {
@@ -75,7 +82,8 @@ $(function () {
     }
     if ((ggDone === 3 || (ggDone === 1 && ggResults.length === 0)) &&
       (dbDone === 3 || (dbDone === 1 && dbResults.length === 0)) &&
-            (cvDone === 3 || (cvDone === 1 && cvResults.length === 0))) {
+      (cvDone === 3 || (cvDone === 1 && cvResults.length === 0)) &&
+      (gsDone === 3 || (gsDone === 1 && gsResults.length === 0))) {
       $("#meta-info").html("<p class=\"text-danger\">" + msg.no_result + "</p>");
       return;
     }
@@ -94,6 +102,9 @@ $(function () {
 
       return [year, month, day].join("-");
     }
+    function generateID (title) {
+      return title.split("").reduce(function(a,b){a=((a<<5)-a)+b.charCodeAt(0);return a&a},0).toString().substr(0,12);
+    }
 
     if (ggResults.length > 0) {
       if (ggDone < 2) {
@@ -130,6 +141,42 @@ $(function () {
       }
     }
 
+    if (gsResults.length > 0) {
+      if (gsDone < 2) {
+        gsResults.forEach(function(result) {
+          var book = {
+            id: generateID(result.bib.title),
+            title: result.bib.title,
+            authors: result.bib.author || [],
+            description: result.bib.abstract || "",
+            publisher: result.bib.venue || "",
+            publishedDate: result.bib.pub_year ? result.bib.pub_year+"-01-01" : "",
+            tags: [],
+            rating: 0,
+            series: "",
+            cover: null,
+            url: result.pub_url || result.eprint_url || "",
+            source: {
+              id: "googlescholar",
+              description: "Google Scholar",
+              link: "https://scholar.google.com/"
+            }
+          }
+          var $book = $(templates.bookResult(book));
+          $book.find("img").on("click", function () {
+            populateForm(book);
+          });
+
+          $("#book-list").append($book);
+
+        });
+        gsDone = 2;
+      }
+      else {
+        gsDone = 3;
+      }
+    }
+
     if (dbResults.length > 0) {
       if (dbDone < 2) {
         dbResults.forEach(function(result) {
@@ -295,17 +342,35 @@ $(function () {
     });
   }
 
+  function gsSearchBook (title) {
+    $.ajax({
+      url: googlescholar + gsSearch + title.replace(/\s+/gm,'+'),
+      type: "GET",
+      dataType: "json",
+      success: function success(data) {
+        gsResults = data;
+      },
+      complete: function complete() {
+        gsDone = 1;
+        showResult();
+        $("#show-googlescholar").trigger("change");
+      }
+    })
+  }
+
   function doSearch (keyword) {
     showFlag = 0;
     dbDone = ggDone = cvDone = 0;
     dbResults = [];
     ggResults = [];
     cvResults = [];
+    gsResults = [];
     $("#meta-info").text(msg.loading);
     if (keyword) {
       dbSearchBook(keyword);
       ggSearchBook(keyword);
       cvSearchBook(keyword);
+      gsSearchBook(keyword);
     }
   }
 

cps/templates/book_edit.html

@@ -227,6 +227,10 @@
 
           <input type="checkbox" id="show-comics" class="pill" data-control="comicvine" checked>
           <label for="show-comics">ComicVine <span class="glyphicon glyphicon-ok"></span></label>
+
+          <input type="checkbox" id="show-googlescholar" class="pill" data-control="googlescholar" checked>
+          <label for="show-googlescholar">Google Scholar <span class="glyphicon glyphicon-ok"></span></label>
+
         </div>
 
         <div id="meta-info">
@@ -248,7 +252,7 @@
     <img class="pull-left img-responsive"
          data-toggle="modal"
          data-target="#metaModal"
-         src="<%= cover %>"
+         src="<%= cover || "{{ url_for('static', filename='img/academicpaper.svg') }}"  %>"
          alt="Cover"
     >
     <div class="media-body">