tiyd-python-2015-01 · anamecheverri · Feb 18, 2015 · Feb 18, 2015 · Feb 18, 2015 · Feb 18, 2015
diff --git a/schema.sql b/schema.sql
@@ -0,0 +1,5 @@
+drop table if exists entries;
+create table entries (
+  id integer primary key autoincrement,
+  todo text not null
+);
diff --git a/static/style.css b/static/style.css
@@ -0,0 +1,18 @@
+body            { font-family: sans-serif; background: #eee; }
+a, h1, h2       { color: #377ba8; }
+h1, h2          { font-family: 'Georgia', serif; margin: 0; }
+h1              { border-bottom: 2px solid #eee; }
+h2              { font-size: 1.2em; }
+
+.page           { margin: 2em auto; width: 35em; border: 5px solid #ccc;
+                  padding: 0.8em; background: white; }
+.entries        { list-style: none; margin: 0; padding: 0; }
+.entries li     { margin: 0.8em 1.2em; }
+.entries li h2  { margin-left: -1em; }
+.add-entry      { font-size: 0.9em; border-bottom: 1px solid #ccc; }
+.add-entry dl   { font-weight: bold; }
+.metanav        { text-align: right; font-size: 0.8em; padding: 0.3em;
+                  margin-bottom: 1em; background: #fafafa; }
+.flash          { background: #cee5F5; padding: 0.5em;
+                  border: 1px solid #aacbe2; }
+.error          { background: #f0d6d6; padding: 0.5em; }
diff --git a/templates/completed.html b/templates/completed.html
@@ -0,0 +1,15 @@
+{% extends "layout.html" %}
+{% block body %}
+  {% if session.logged_in %}
+      <class=entries>
+      </form>
+      <h3>Completed To Do's</h3>
+      <ul>
+        {% for todo in completed %}
+        <li>
+         {{todo.todo}}  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp   {{todo.completed_at.strftime('%m/%d/%Y') }}
+        </li>
+        {% endfor %}
+      </ul>
+   {% endif %}
+{% endblock %}
diff --git a/templates/layout.html b/templates/layout.html
@@ -0,0 +1,17 @@
+<!doctype html>
+<title>To Do App</title>
+<link rel=stylesheet type=text/css href="{{ url_for('static', filename='style.css') }}">
+<div class=page>
+  <h1>To Dos</h1>
+  <div class=metanav>
+  {% if not session.logged_in %}
+    <a href="{{ url_for('login') }}">log in</a>
+  {% else %}
+    <a href="{{ url_for('logout') }}">log out</a>
+  {% endif %}
+  </div>
+  {% for message in get_flashed_messages() %}
+    <div class=flash>{{ message }}</div>
+  {% endfor %}
+  {% block body %}{% endblock %}
+</div>
diff --git a/templates/login.html b/templates/login.html
@@ -0,0 +1,14 @@
+{% extends "layout.html" %}
+{% block body %}
+  <h2>Login</h2>
+  {% if error %}<p class=error><strong>Error:</strong> {{ error }}{% endif %}
+  <form action="{{ url_for('login') }}" method=post>
+    <dl>
+      <dt>Username:
+      <dd><input type=text name=username>
+      <dt>Password:
+      <dd><input type=password name=password>
+      <dd><input type=submit value=Login>
+    </dl>
+  </form>
+{% endblock %}
diff --git a/templates/show_entries.html b/templates/show_entries.html
@@ -0,0 +1,37 @@
+{% extends "layout.html" %}
+{% block body %}
+  {% if session.logged_in %}
+    <form action="{{ url_for('add_entry') }}" method=post class=add-entry>
+      <dl>
+        <dt>Create a new to do:
+        <dt><label for="textarea">To Do</label><dd>
+        <textarea name=todo rows=1 cols=40></textarea>
+        <dt><label for="textarea">Due Date</label>
+        <dd><input type="date" name=due_date></input>
+            <input type=submit value=Create width="80" height="80">
+      </dl>
+    </form>
+    <br>
+
+    <form action="{{ url_for('show_completed') }}" method=post class=show_completed>
+      <input type=submit value="See Completed Tasks" width="80" height="80" color='blue'>
+      <br></form>
+
+
+  <class=entries>
+  <h2>All To Do's</h2>
+  <h3>   To Do   &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp            Due Date</h3>
+  <form action="{{ url_for('complete_entry') }}" method=post class=delete-entry>
+  {% for todo in entries %}
+   {% if todo in pastdue %}<strong><font color="red">{% endif %}
+   <input type="checkbox" name="entry" id="todo-{{ todo.id }}" value="{{ todo.id }}"/>
+   <label for="todo-{{ todo.id }}">{{ todo.todo}}    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp    {{ todo.due_date.strftime('%m/%d/%Y') }}</label><br>
+   {% if todo in pastdue %}</strong><font color="black">{% endif %}
+  {% else %}
+    <li><em>Clean State</em>
+  {% endfor %}
+  <br>
+   <input type=submit value="Mark as Done" width="80" height="80">
+
+  {% endif %}
+{% endblock %}
diff --git a/to_do.py b/to_do.py
@@ -0,0 +1,106 @@
+from datetime import datetime
+from flask import Flask, request, session, g, redirect, url_for, \
+     abort, render_template, flash
+from contextlib import closing
+
+from flask.ext.sqlalchemy import SQLAlchemy
+from flask.ext.script import Manager
+from flask.ext.migrate import Migrate, MigrateCommand
+from flask.ext.script.commands import ShowUrls, Clean
+
+
+DATABASE = '/tmp/todo.db'
+DEBUG = True
+SECRET_KEY = 'this is hard'
+SQLALCHEMY_DATABASE_URI = "sqlite:///" + DATABASE
+
+app = Flask(__name__)
+app.config.from_object(__name__)
+db = SQLAlchemy(app)
+migrate = Migrate(app,db)
+manager = Manager(app)
+manager.add_command('db',MigrateCommand)
+
+
+
+class Todo(db.Model):
+    id = db.Column(db.Integer, primary_key=True)
+    todo = db.Column(db.String(255), nullable=False)
+    completed_at = db.Column(db.DateTime)
+    due_date = db.Column(db.DateTime)
+
+    def __init__(self, text,due_date):
+        self.todo = text
+        self.due_date = due_date
+
+    def __repr__(self):
+        return "<Todo {}>".format(self.text)
+
+@app.route('/')
+def show_entries():
+    current_todo_list = Todo.query.filter(Todo.completed_at==None).order_by(Todo.due_date.desc()).all()
+    past_due_list = [elem for elem in current_todo_list if elem.due_date < datetime.utcnow()]
+    return render_template('show_entries.html',
+                            entries=current_todo_list,
+                            pastdue = past_due_list)
+
+
+@app.route('/add', methods=['POST'])
+def add_entry():
+    if not session.get('logged_in'):
+        abort(401)
+    text =  request.form['todo']
+    duedate = request.form['due_date']
+    todo = Todo(text, datetime.strptime(duedate, '%Y-%m-%d'))
+    db.session.add(todo)
+    db.session.commit()
+    flash('New to-do was successfully posted')
+    return redirect(url_for('show_entries'))
+
+
+@app.route('/mark_completed', methods=['POST'])
+def complete_entry():
+    if not session.get('logged_in'):
+        abort(401)
+    ids = request.form.getlist('entry')
+    for id in ids:
+        todo = Todo.query.get(id)
+        todo.completed_at = datetime.utcnow()
+        db.session.add(todo)
+    db.session.commit()
+    flash('To-dos have been updated')
+    return redirect(url_for('show_entries'))
+
+@app.route('/completed', methods=['GET','POST'])
+def show_completed():
+    if not session.get('logged_in'):
+        abort(401)
+    completed_todo_list = Todo.query.filter(Todo.completed_at!=None).order_by(Todo.completed_at.desc()).all()
+    return render_template('completed.html',
+                        completed=completed_todo_list)
+
+# Login management
+@app.route('/login', methods=['GET', 'POST'])
+def login():
+    error = None
+    if request.method == 'POST':
+        if request.form['username'] != app.config['USERNAME']:
+            error = 'Invalid username'
+        elif request.form['password'] != app.config['PASSWORD']:
+            error = 'Invalid password'
+        else:
+            session['logged_in'] = True
+            flash('You were logged in')
+            return redirect(url_for('show_entries'))
+    return render_template('login.html', error=error)
+
+# Logout. using pop removes the user entry. No need to check if user loggedin
+@app.route('/logout')
+def logout():
+    session.pop('logged_in', None)
+    flash('You were logged out')
+    return redirect(url_for('show_entries'))
+
+# to start the application
+if __name__ == '__main__':
+    manager.run()