Added autocomplete as part of a user session. Hooray, no more autocomplete based on other users!!

app/__init__.py

@@ -40,4 +40,3 @@ app.config.from_object(__name__)
 from app import views
 
 flask_whooshalchemyplus.init_app(app)    # initialize
-

app/static/js/app.js

@@ -160,10 +160,10 @@ $(document).ready(function()
 
 // Autocomplete for search - Contact Joca in case of trouble
 
+
 $('#search').on("input", function() {
   var query = this.value;
 
-
   $.ajax({
     url: "/autocomplete_suggestions",
     data: $('form').serialize(),
@@ -173,83 +173,21 @@ $('#search').on("input", function() {
     }
   });
 
-  function getData() {
-    var deferredData = new jQuery.Deferred();
 
     $.ajax({
       type: "GET",
       url: "/autocomplete_suggestions",
       dataType: "json",
       success: function(data) {
-        deferredData.resolve(data);
-      }
-    });
-    return deferredData; // contains the passed data
-  };
-
-    var dataDeferred = getData();
-
-  $.when(dataDeferred).done( function( data ) {
-    var suggestion_list = data;
-    console.log(suggestion_list);
-    $().ready(function() {
-        // search only, if the regexp matches
-        var suggestions = data;
-
-        // Defines for the example the match to take which is any word (with Umlauts!!).
-        function _leftMatch(string, area) {
-            //return string.substring(0, area.selectionStart).match(/[\wäöüÄÖÜß]+$/)
-            //console.log(string.substring(string.lastIndexOf(" ")+1).match(/[\wäöüÄÖÜß]+$/))
-            return string.substring(string.lastIndexOf(" ")+1).match(/[\wäöüÄÖÜß]+$/)
-
-        }
-
-        function _setCursorPosition(area, pos) {
-            if (area.setSelectionRange) {
-                area.setSelectionRange(pos, pos);
-            } else if (area.createTextRange) {
-                var range = area.createTextRange();
-                range.collapse(true);
-                range.moveEnd('character', pos);
-                range.moveStart('character', pos);
-                range.select();
-            }
-        }
-
-
-
-        $("#search").autocomplete({
-            position: { my : "right top", at: "right bottom" },
-            source: function(request, response) {
-                var str = _leftMatch(request.term, $("#search")[0]);
-                str = (str != null) ? str[0] : "";
-                console.log(str);
-                response($.ui.autocomplete.filter(
-                        suggestions, str));
-            },
-            minLength: 1,  // does have no effect, regexpression is used instead
-            focus: function() {
-                // prevent value inserted on focus
-                return false;
-            },
-            // Insert the match inside the ui element at the current position by replacing the matching substring
-            select: function(event, ui) {
-                //alert("completing "+ui.item.value);},
-                var m = _leftMatch(this.value, this)[0];
-                var beg = this.value.substring(0, this.selectionStart - m.length);
-                this.value = beg + ui.item.value + this.value.substring(this.selectionStart, this.value.length);
-                var pos = beg.length + ui.item.value.length;
-                _setCursorPosition(this, pos);
-                return false;
-            },
-            search:function(event, ui) {
-                var m = _leftMatch(this.value, this);
-                return (m != null )
-            }
-
-        });
-    })
 
+        // Start autocomplete
+        var availableTags = data;
+        console.log(availableTags);
+          $( "#search" ).autocomplete({
+            source: availableTags
+          });
+        // End of autocomplete
+      }
   });
 
 });

app/templates/base.html

@@ -15,6 +15,7 @@
     <![endif]-->
     <link rel="stylesheet" href="/static/css/style.css">
     <link rel="stylesheet" href="/static/js/jquery-ui-1.12.1.custom/jquery-ui.css">
+    <link rel="stylesheet" href="/static/js/jquery-ui-1.12.1.custom/jquery-ui.js">
     {% block css %} {% endblock%}
   </head>
   <body>

app/templates/show_books.html

@@ -3,6 +3,7 @@
 {% block main %}
 <div class="container">
   {% from "_formhelpers.html" import render_field %}
+  
   <form method="POST">
     <div>{{ form.select(style="width: 100px; margin: 10px; float: left; font-size: 20px") }}</div>
       <div class="search">

app/views.py

@@ -6,7 +6,7 @@ This file creates your application.
 """
 
 from app import app, db, socketio, DOMAIN
-from flask import Flask, Response, render_template, request, redirect, url_for, flash, send_from_directory, jsonify, abort
+from flask import Flask, Response, session, render_template, request, redirect, url_for, flash, send_from_directory, jsonify, abort
 import json
 from  sqlalchemy.sql.expression import func, select
 from app.forms import UploadForm, EditForm, SearchForm, ChatForm, StackForm, AddtoStackForm
@@ -303,6 +303,8 @@ def show_stack_by_id(id, is_tab=False):
 
 @app.route('/books', methods= ['POST','GET'])
 def show_books():
+    autocomplete.load() #Train markov model once, for autocomplete in search
+
     books = db.session.query(Book).all()
     search = SearchForm(request.form)
     if request.method == 'POST':
@@ -338,11 +340,11 @@ def search_results(searchtype, query):
 
 ## Search - autocomplete
 autocomplete_suggestions = []
+autocomplete.load() #Train markov model once, for autocomplete in search
 
 @app.route('/autocomplete_suggestions', methods=['GET', 'POST'])
 def test1():
     if request.method == 'POST':
-        autocomplete.load()
         query = request.form['search']
         query_tokenized = query.lower().split()
         print(query_tokenized)
@@ -354,9 +356,13 @@ def test1():
         for suggestion, score in autocomplete_output:
             autocomplete_suggestions.append(suggestion)
 
-        print(autocomplete_suggestions)
+        session['autocomplete_suggestions'] = str(autocomplete_suggestions)
+
+        print(session['autocomplete_suggestions'])
+
+    return Response(json.dumps(session['autocomplete_suggestions']), mimetype='application/json')
 
-    return Response(json.dumps(autocomplete_suggestions), mimetype='application/json')
+## STACKS!
 
 @app.route('/add_to_stack/<int:id>', methods=['GET', 'POST'])
 def add_to_stack(id):