adding books functions

web/app/book.py

 @book.route('/books')
 def get_books():
     books = Resource.query.filter_by(type='book')
-    return render_template('resources.html', resources=books, type='book')
+    for key in request.args.keys():
+        if key == 'practice':
+            query = 'SELECT Resource.* FROM Resource LEFT JOIN Relationship ON Resource.id=Relationship.first_resource_id WHERE Relationship.second_resource_id=' + request.args.get(key) + ' AND Resource.type="book";'
+            books = db.engine.execute(query)
+        else:
+            kwargs = {'type': 'book', key: request.args.get(key)}
+            tools = Resource.query.filter_by(**kwargs)
+    # get filters
+    # practices 
+    practices_filter = Resource.query.filter_by(type='practice').with_entities(Resource.id, Resource.name)
+    return render_template('resources.html', resources=books, type='book', practices_filter=practices_filter)
 
 # route for displaying a single book based on the ID in the database
 @book.route('/books/<int:book_id>')
 def show_book(book_id):
     book = get_resource(book_id)
-    links = get_relationships(book_id)
-    return render_template('resource.html', resource=book, links=links)
+    relationships = get_relationships(book_id)
+    book_data = get_book_data(book.isbn)
+    return render_template('book.html', resource=book, relationships=relationships, book=book_data)
 
 # route for editing a single book based on the ID in the database
 @book.route('/books/<int:book_id>/edit', methods=('GET', 'POST'))
 @login_required
 def edit_book(book_id):
     book = get_resource(book_id)
+    resource_dropdown = Resource.query
+    existing_relationships = get_relationships(book_id)
 
     if request.method == 'POST':
         if not request.form['name']:
         else:
             book = Resource.query.get(book_id)
             book.name = request.form['name']
-            book.description = request.form['description']
+            book.isbn = request.form['isbn']
             db.session.commit()
+            linked_resources = request.form.getlist('linked_resources')
+            remove_linked_resources = request.form.getlist('remove_linked_resources')
+
+            edit_relationships(book_id, linked_resources, remove_linked_resources, existing_relationships)
+
             return redirect(url_for('book.get_books',_external=True,_scheme=os.environ.get('SSL_SCHEME')))
 
-    return render_template('edit.html', resource=book)
+    return render_template('edit.html', resource=book, resource_dropdown=resource_dropdown, relationships=existing_relationships)
+
 
 # route for function to delete a single book from the edit page
 @book.route('/books/<int:book_id>/delete', methods=('POST',))

web/app/practice.py

 
             return redirect(url_for('practice.get_practices',_external=True,_scheme=os.environ.get('SSL_SCHEME')))
 
-    return render_template('edit.html', resource=practice, resource_dropdown=resource_dropdown, links=existing_relationships)
+    return render_template('edit.html', resource=practice, resource_dropdown=resource_dropdown, relationships=existing_relationships)
 
 # route for function to delete a single practice from the edit page
 @practice.route('/practices/<int:practice_id>/delete', methods=('POST',))

web/app/resources.py

 from .models import Resource
 from werkzeug.exceptions import abort
 from . import db
+from isbntools.app import *
 
 # function to retrieve data about a single resource from the database
 def get_resource(resource_id):
     field_filter = filter(None, field_filter)
     # sort list by alphabetical order
     field_filter = sorted(field_filter)
-    return field_filter
+    return field_filter
+
+def get_book_data(isbn):
+    try:
+        book = meta(isbn)
+        book.update(cover(isbn))
+        return book
+    except: 
+        pass

web/app/templates/book.html

+{% extends 'base.html' %}
+
+{% block content %}
+
+    {% if book['thumbnail'] %}
+        <img class="img-fluid mx-auto d-block" src={{ book['thumbnail'] }} alt="cover for {{ book['Title'] }}">
+    {% else %}
+        <div class="row">
+            <div class="col">
+                <h1 class="text-center">{% block title %} {{ book['Title'] or resource['name'] }} {% endblock %}</h1>
+            </div>
+        </div>
+    {% endif %}
+    {% if current_user.is_authenticated %}
+      <div class="row text-center py-3">
+          <a href="{{ url_for('book.edit_book', book_id=resource['id']) }}">
+              <span class="badge bg-dark">Edit</span>
+          </a>
+      </div>
+    {% endif %}
+    <div class="row">
+        <div class="col">
+            <table class="table table-hover">
+                <tbody>
+                    {% if book %}
+                        <!-- fields for books from isbntools -->
+                        {% if book['Title'] %}
+                        <tr>
+                            <th>
+                                Title:
+                            </th>
+                            <td>
+                                {{ book['Title'] }}
+                            </td>
+                        </tr>
+                        {% endif %}
+                        {% if book['Authors'] %}
+                        <tr>
+                            {% if book['Authors']|length > 1 %}
+                            <th>
+                                Authors:
+                            </th>
+                            <td>
+                                {% for author in book['Authors'] %}
+                                    {{ author }}, 
+                                {% endfor %}
+                            </td>
+                            {% else %}
+                            <th>
+                                Author:
+                            </th>
+                            <td>
+                                {% for author in book['Authors'] %}
+                                    {{ author }}
+                                {% endfor %}
+                            </td>
+                            {% endif %}
+                        </tr>
+                        {% endif %}
+                        {% if book['ISBN-13'] %}
+                        <tr>
+                            <th>
+                                ISBN-13:
+                            </th>
+                            <td>
+                                {{ book['ISBN-13'] }}
+                            </td>
+                        </tr>
+                        {% endif %}
+                        {% if book['Year'] %}
+                        <tr>
+                            <th>
+                                Publication year:
+                            </th>
+                            <td>
+                                {{ book['Year'] }}
+                            </td>
+                        </tr>
+                        {% endif %}
+                        {% if book['Publisher'] %}
+                        <tr>
+                            <th>
+                                Publisher:
+                            </th>
+                            <td>
+                                {{ book['Publisher'] }}
+                            </td>
+                        </tr>
+                        {% endif %}
+                    {% else %}
+                        <!-- fields for books from database -->
+                        {% if resource['name'] %}
+                        <tr>
+                            <th>
+                                Title:
+                            </th>
+                            <td>
+                                {{ resource['name'] }}
+                            </td>
+                        </tr>
+                        {% endif %}
+                        {% if resource['author'] %}
+                        <tr>
+                            <th>
+                                Author:
+                            </th>
+                            <td>
+                                {{ resource['author'] }}
+                            </td>
+                        </tr>
+                        {% endif %}
+                    {% endif %}
+                </tbody>
+            </table>
+        </div>
+    </div>
+    {% if relationships %}
+    <div class="row">
+        <div class="col">
+            <h2 class="text-center">Linked resources:</h2>
+        </div>
+    </div>
+    <div class="row">
+    {% for relationship in relationships %}
+        <div class="col-md-4 col-sm-6 py-3">
+        {% if relationship['type'] == 'tool' %}
+        <div class="card text-dark bg-tool mb-3">
+            <div class="card-body">
+                <a href="{{ url_for('tool.show_tool', tool_id=relationship['id']) }}">
+                    <h3 class="card-title text-center text-dark">{{ relationship['name'] }}</h3>
+                </a>
+                <p class="card-text">
+                    {{ relationship['description']|truncate(100) }}
+                </p>
+            </div>
+        </div>
+        {% elif relationship['type'] == 'practice' %}
+        <div class="card text-dark bg-practice mb-3">
+            <div class="card-body">
+                <a href="{{ url_for('practice.show_practice', practice_id=relationship['id']) }}">
+                    <h3 class="card-title text-center text-dark">{{ relationship['name'] }}</h3>
+                </a>
+                <p class="card-text">
+                    {{ relationship['description']|truncate(100) }}
+                </p>
+            </div>
+        </div>
+        {% elif relationship['type'] == 'book' %}
+        <div class="card text-dark bg-book mb-3">
+            <div class="card-body">
+                <a href="{{ url_for('book.show_book', book_id=relationship['id']) }}">
+                    <h3 class="card-title text-center text-dark">{{ relationship['name'] }}</h3>
+                </a>
+                <p class="card-text">
+                    {{ relationship['description']|truncate(100) }}
+                </p>
+            </div>
+        </div>
+        {% endif %}
+        </div>
+    {% endfor %}
+    </div>
+    {% endif %}
+{% endblock %}

web/app/templates/edit.html

         <select name="linked_resources" id="linked_resources" aria-label="Linked resources" class="selectpicker" data-live-search="true" multiple>
           {% for resource_dropdown in resource_dropdown %}
             {% if resource_dropdown['type'] != 'tool' %}
-              {% if links and resource_dropdown in links %}
+              {% if relationships and resource_dropdown in relationships %}
                 <option value="{{ resource_dropdown['id'] }}" selected>{{ resource_dropdown['name'] }}</option>
               {% else %}
                 <option value="{{ resource_dropdown['id'] }}">{{ resource_dropdown['name'] }}</option>
         <select name="linked_resources" id="linked_resources" aria-label="Linked resources" class="selectpicker" data-live-search="true" multiple>
           {% for resource_dropdown in resource_dropdown %}
             {% if resource_dropdown['type'] != 'practice' %}
-              {% if links and resource_dropdown in links %}
+              {% if relationships and resource_dropdown in relationships %}
+                <option value="{{ resource_dropdown['id'] }}" selected>{{ resource_dropdown['name'] }}</option>
+              {% else %}
+                <option value="{{ resource_dropdown['id'] }}">{{ resource_dropdown['name'] }}</option>
+              {% endif %}
+            {% endif %}
+          {% endfor %}
+        </select>
+    </div>
+
+    {% elif resource['type'] == 'book' %}
+    <div class="mb-3 mt-3">
+      <label for="isbn">ISBN</label>
+      <input type="text" name="isbn" placeholder="ISBN"
+             class="form-control"
+             value="{{ request.form['isbn'] or resource['isbn'] }}">
+      </input>
+    </div>
+    <div class="mb-3 mt-3">
+        <label for="linked_practice_id">Linked resources</label>
+    </div>
+    <div class="mb-3 mt-3">
+        <select name="linked_resources" id="linked_resources" aria-label="Linked resources" class="selectpicker" data-live-search="true" multiple>
+          {% for resource_dropdown in resource_dropdown %}
+            {% if resource_dropdown['type'] != 'book' %}
+              {% if relationships and resource_dropdown in relationships %}
                 <option value="{{ resource_dropdown['id'] }}" selected>{{ resource_dropdown['name'] }}</option>
               {% else %}
                 <option value="{{ resource_dropdown['id'] }}">{{ resource_dropdown['name'] }}</option>
     </div>
     {% endif %}
 
-    {% if links %}
+    {% if relationships %}
     <div class="mb-3 mt-3">
         <label for="linked_practice_id">Remove linked resources</label>
     </div>
     <div class="mb-3 mt-3">
         <select name="remove_linked_resources" id="remove_linked_resources" aria-label="Remove linked resources" class="selectpicker" data-live-search="true" multiple>
-          {% for link in links %}
-            <option value="{{ link['id'] }}">{{ link['name'] }}</option>
+          {% for relationship in relationships %}
+            <option value="{{ relationship['id'] }}">{{ relationship['name'] }}</option>
           {% endfor %}
         </select>
     </div>
             onclick="return confirm('Are you sure you want to delete this practice?')">
 </form>
 {% endif %}
+{% if resource['type'] == 'book' %}
+<form action="{{ url_for('book.delete_book', book_id=resource['id']) }}" method="POST">
+    <input type="submit" value="Delete"
+            class="btn btn-danger btn-sm"
+            onclick="return confirm('Are you sure you want to delete this book?')">
+</form>
+{% endif %}
 {% endblock %}

web/app/templates/resource.html

 
     <div class="row">
         <div class="col">
-            <h1 class="text-center">{% block title %} {{ resource['name'] }} {% endblock %}</h1>
+           <h1 class="text-center">{% block title %} {{ resource['name'] }} {% endblock %}</h1>
         </div>
     </div>
     {% if current_user.is_authenticated %}
               <span class="badge bg-dark">Edit</span>
           </a>
       </div>
-      {% elif resource['type'] == 'book' %}
-      <div class="row text-center py-3">
-          <a href="{{ url_for('book.edit_book', book_id=resource['id']) }}">
-              <span class="badge bg-dark">Edit</span>
-          </a>
-      </div>
       {% endif %}
     {% endif %}
     <div class="row">
                 </p>
             </div>
         </div>
-        {% elif relationship['type'] == 'book' %}
-        <div class="card text-dark bg-book mb-3">
-            <div class="card-body">
-                <a href="{{ url_for('book.show_book', book_id=relationship['id']) }}">
-                    <h3 class="card-title text-center text-dark">{{ relationship['name'] }}</h3>
-                </a>
-                <p class="card-text">
-                    {{ relationship['description']|truncate(100) }}
-                </p>
-            </div>
-        </div>
         {% endif %}
         </div>
     {% endfor %}

web/app/templates/resources.html

               <ul class="filter-items">
                 {% for practice in practices_filter %}
                 <li {% if request.args.get('practice') == practice[0]|string %} class="fw-bold"{% endif %}>
-                  <a href="/tools?practice={{practice[0]}}">{{ practice[1] }}</a>
+                  <a href="/{{type + 's'}}?practice={{practice[0]}}">{{ practice[1] }}</a>
                 </li>
                 {% endfor %}
               </ul>
                   <ul id="filter-practice" class="collapse filter-items">
                     {% for practice in practices_filter %}
                     <li {% if request.args.get('practice') == practice[0]|string %} class="fw-bold"{% endif %}>
-                      <a href="/tools?practice={{practice[0]}}">{{ practice[1] }}</a>
+                      <a href="/{{type + 's'}}?practice={{practice[0]}}">{{ practice[1] }}</a>
                     </li>
                     {% endfor %}
                   </ul>
               <ul class="filter-items">
                 {% for language in languages_filter %}
                 <li {% if request.args.get('scriptingLanguage') == language %} class="fw-bold"{% endif %}>
-                  <a href="/tools?scriptingLanguage={{language}}">{{ language }}</a>
+                  <a href="/{{type}}?scriptingLanguage={{language}}">{{ language }}</a>
                 </li>
                 {% endfor %}
               </ul>

web/app/tool.py

     tools = Resource.query.filter_by(type='tool')
     for key in request.args.keys():
         if key == 'practice':
-            query = 'SELECT Resource.* FROM Resource LEFT JOIN Relationship ON Resource.id=Relationship.first_resource_id WHERE Relationship.second_resource_id=' + request.args.get(key) + ';'
+            query = 'SELECT Resource.* FROM Resource LEFT JOIN Relationship ON Resource.id=Relationship.first_resource_id WHERE Relationship.second_resource_id=' + request.args.get(key) + ' AND Resource.type="tool";'
             tools = db.engine.execute(query)
         elif key == 'scriptingLanguage':
             regex = request.args.get(key) + "$|" + request.args.get(key) + "\s\/"
             
             return redirect(url_for('tool.get_tools',_external=True,_scheme=os.environ.get('SSL_SCHEME')))
 
-    return render_template('edit.html', resource=tool, resource_dropdown=resource_dropdown, links=existing_relationships)
+    return render_template('edit.html', resource=tool, resource_dropdown=resource_dropdown, relationships=existing_relationships)
 
 # route for function to delete a single tool from the edit page
 @tool.route('/tools/<int:tool_id>/delete', methods=('POST',))

web/requirements.txt

 gunicorn
 pymysql
 markdown
+isbntools