Blank main page.

.gitignore

@@ -11,4 +11,6 @@ htmlcov/
 
 dist/
 build/
-*.egg-info/
+*.egg-info/
+
+sandbox/

app.py

@@ -1,14 +1,28 @@
+"""Display a stock ticker visualization based on user input."""
 from flask import Flask, render_template, request, redirect
 
+
 app = Flask(__name__)
 
-@app.route('/')
+
+@app.route('/', methods=('GET', 'POST'))
 def index():
-  return render_template('index.html')
+    """Render the app's main page."""
+    if request.method == 'GET':
+        # Default gives IBM's ticker when first loaded.
+        symbol = 'IBM'
+        return render_template('index.html', symbol=symbol)
+
+    else:
+        # User submitted a ticker symbol aka method = 'POST'
+        symbol = request.form['symbol']
+        return render_template('index.html', symbol=symbol)
+
 
 @app.route('/about')
 def about():
-  return render_template('about.html')
+    return render_template('about.html')
+
 
 if __name__ == '__main__':
-  app.run(port=33507)
+    app.run(port=33507)

templates/about.html

@@ -7,7 +7,7 @@
     <meta name="author" content="@gotoariel">
     <!-- <link rel="icon" href="favicon.ico"> -->
 
-    <title>Wilkommen, bienvenue, and welcome to Heroku!</title>
+    <title>A simple stock price time series visualizer</title>
 
     <!-- Bootstrap core CSS -->
     <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">

templates/index.html

@@ -7,7 +7,7 @@
     <meta name="author" content="@gotoariel">
     <!-- <link rel="icon" href="favicon.ico"> -->
 
-    <title>Wilkommen, bienvenue, and welcome to Heroku!</title>
+    <title>A simple stock price time series visualizer</title>
 
     <!-- Bootstrap core CSS -->
     <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
@@ -16,20 +16,18 @@
     <div class="container">
       <div class="row">
         <div class="col-lg-12 text-left">
-          <h2>Hello, World!</h2>
-          <ul>
-            <li><a href="/about">About</a></li>
-            <li><a target="_blank" href="https://www.heroku.com/">Heroku</a></li>
-            <li><a target="_blank" href="http://flask.pocoo.org/">Flask</a></li>
-            <li><a target="_blank" href="http://jinja.pocoo.org/docs/2.9/">Jinja2</a></li>
-            <li><a target="_blank" href="http://getbootstrap.com/">Bootstrap</a></li>
-          </ul>
+          <h2>A Simple Stock Price Visualizer</h2>
+          <form>
+            <label for="symbol">Stock ticker symbol:</label>
+            <input type="text" id="symbol" name="symbol">
+            <input type="submit" value="Submit">
+          </form>          
         </div>
       </div>
     </div>
     <!-- Bootstrap core JavaScript
     ================================================== -->
-    <!-- Placed at the end of the document so the pages load faster -->
+    <!-- Placed at the A simple stock price time series visualizerend of the document so the pages load faster -->
     <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.js"></script>
     <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
   </body>