Added functions for tools

web/app/templates/base.html

                     Home
                 </a>
             </li>
+            <li class="nav-item">
+                <a href="{{ url_for('tool.get_tools') }}" class="nav-link">
+                    Tools
+                </a>
+            </li>
             {% if current_user.is_authenticated %}
             <li class="nav-item">
-                <a href="{{ url_for('tool.create') }}" class="nav-link">
+                <a href="{{ url_for('tool.create_tool') }}" class="nav-link">
                     Add tool
                 </a>
             </li>

web/app/templates/edit.html

+{% extends 'base.html' %}
+
+{% block content %}
+<h1>{% block title %} Edit "{{ tool['name'] }}" {% endblock %}</h1>
+
+<form method="post">
+    <div class="form-group">
+        <label for="name">Name</label>
+        <input type="text" name="name" placeholder="Tool name"
+               class="form-control"
+               value="{{ request.form['name'] or tool['name'] }}">
+        </input>
+    </div>
+
+    <div class="form-group">
+        <label for="description">Description</label>
+        <textarea name="description" placeholder="Tool description"
+                  class="form-control">{{ request.form['description'] or tool['description'] }}</textarea>
+    </div>
+    <div class="form-group">
+        <button type="submit" class="btn btn-primary">Submit</button>
+    </div>
+</form>
+<hr>
+
+<form action="{{ url_for('tool.delete_tool', tool_id=tool['id']) }}" method="POST">
+    <input type="submit" value="Delete Tool"
+            class="btn btn-danger btn-sm"
+            onclick="return confirm('Are you sure you want to delete this tool?')">
+</form>
+{% endblock %}

web/app/templates/tool.html

+{% extends 'base.html' %}
+
+{% block content %}
+    <h2>{% block title %} {{ tool['name'] }} {% endblock %}</h2>
+    <span class="badge badge-primary">{{ tool['created'] }}</span>
+    <p>{{ tool['description'] }}</p>
+{% endblock %}

web/app/templates/tools.html

-{% extends "base.html" %}
+{% extends 'base.html' %}
 
 {% block content %}
-<h1 class="title">
-  Welcome, {{ name }}!
-</h1>
+    <h1>{% block title %} Tools {% endblock %}</h1>
+    {% for tool in tools %}
+        <a href="{{ url_for('tool.show_tool', tool_id=tool['id']) }}">
+            <h2>{{ tool['name'] }}</h2>
+        </a>
+        <span class="badge badge-primary">{{ tool['created'] }}</span>
+        {% if current_user.is_authenticated %}
+        <a href="{{ url_for('tool.edit_tool', tool_id=tool['id']) }}">
+            <span class="badge badge-warning">Edit</span>
+        </a>
+        {% endif %}
+        <hr>
+    {% endfor %}
 {% endblock %}

web/app/tool.py

 from flask import Blueprint, render_template, request, flash, redirect, url_for
 from flask_login import login_required, current_user
 from .models import Tool
+from werkzeug.exceptions import abort
 from . import db
 
+def get_tool(tool_id):
+    tool = Tool.query.filter_by(id=tool_id).first()
+    if tool is None:
+        abort(404)
+    return tool
+
 tool = Blueprint('tool', __name__)
 
-@tool.route('/create', methods=('GET', 'POST'))
+@tool.route('/tools')
+def get_tools():
+    tools = Tool.query
+    return render_template('tools.html', tools=tools)
+
+@tool.route('/tools/<int:tool_id>')
+def show_tool(tool_id):
+    tool = get_tool(tool_id)
+    return render_template('tool.html', tool=tool)
+
+@tool.route('/tools/<int:tool_id>/edit', methods=('GET', 'POST'))
 @login_required
-def create():
+def edit_tool(tool_id):
+    tool = get_tool(tool_id)
+
+    if request.method == 'POST':
+        name = request.form['name']
+        description = request.form['description']
+
+        if not name:
+            flash('Name is required!')
+        else:
+            tool = Tool.query.get(tool_id)
+            tool.name = name
+            tool.description = description
+            db.session.commit()
+            return redirect(url_for('tool.get_tools'))
+
+    return render_template('edit.html', tool=tool)
+
+@tool.route('/tools/create', methods=('GET', 'POST'))
+@login_required
+def create_tool():
     if request.method == 'POST':
         name = request.form.get('name')
         description = request.form.get('description')
             db.session.commit()
 
     return render_template('create.html')
+
+@tool.route('/tools/<int:tool_id>/delete', methods=('POST',))
+@login_required
+def delete_tool(tool_id):
+    tool = get_tool(tool_id)
+    deletion = Tool.query.get(tool_id)
+    db.session.delete(deletion)
+    db.session.commit()
+    flash('Successfully deleted!')
+    return redirect(url_for('tool.get_tools'))