Submission for SourceSage dev test

app.py

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+import sqlite3
+from contextlib import closing
+from flask import Flask, render_template, g, Response, request,json
+
+#config
+DATABASE = 'db/app.db'
+DEBUG = False
+SECRET_KEY = 'hellothisisanewapp'
+USERNAME = 'admin'
+PASSWORD = 'default'
+
+app = Flask(__name__)
+app.config.from_object(__name__)
+
+#database methods
+def connect_db():
+	return sqlite3.connect(app.config['DATABASE'])
+
+def init_db():
+	with closing(connect_db()) as db:
+		with app.open_resource('schema.sql', mode='r') as f:
+			db.cursor().executescript(f.read())
+		db.commit()
+
+@app.before_request
+def before_request():
+	g.db = connect_db()
+
+@app.teardown_request
+def teardown_request(exception):
+	db = getattr(g, 'db', None)
+	if db is not None:
+		db.close()
+
+#View functions:
+@app.route('/')
+def show_questions():
+	query = g.db.execute('select * from questions order by id asc')
+	questions = [dict(id=row[0], author=row[1], text=row[2]) for row in query.fetchall()]
+	return render_template('main.html',questions=questions)
+
+@app.route('/view',methods=['GET'])
+def show_answers():
+	qn = request.args.get('q')
+	query = g.db.execute('select * from answers where qn = ?',[qn])
+	answers = [dict(id=row[0], qn=row[1], written_by=row[2], text=row[3]) for row in query.fetchall()]
+
+	query = g.db.execute('select id,text from questions where id=?',[qn])
+	question = [dict(id=row[0],text=row[1]) for row in query.fetchall()][0]
+	return render_template('question.html',answers=answers,question=question)
+
+@app.route('/addQ',methods=['POST'])
+def add_question():
+	data = request.json
+	query = g.db.execute('insert into questions(author, text) values ( ?, ?)',[data['asker'],data['question']])
+	g.db.commit()
+	query = g.db.execute('select * from questions order by id asc')
+	questions = [dict(id=row[0], author=row[1], text=row[2]) for row in query.fetchall()]
+	return render_template('question_list.html',questions=questions)
+
+@app.route('/addA',methods=['POST'])
+def add_answer():
+	data = request.json
+	query = g.db.execute('insert into answers(qn, written_by,text) values ( ?,?,?)',[data['qn'],data['written_by'],data['text']])
+	g.db.commit()
+	query = g.db.execute('select * from answers where qn = ?',[data['qn']])
+	answers = [dict(id=row[0], qn=row[1], written_by=row[2], text=row[3]) for row in query.fetchall()]
+	return render_template('answer_list.html',answers=answers)
+
+if __name__ == '__main__':
+	app.run()
+

schema.sql

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+drop table if exists questions;
+create table questions (
+	id integer primary key autoincrement,
+	author text not null,
+	text text not null
+);
+drop table if exists answers;
+create table answers (
+	id integer primary key autoincrement,
+	qn integer not null,
+	written_by text not null,
+	text text not null
+);

static/app.js

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+$(document).ready(function(){
+	$('#question-form').on('submit', function(e){
+		e.preventDefault();
+		if (!$('#asker').val())
+			return;
+		if (!$('#question').val())
+			return;
+
+		dataToSend = {
+			asker	 	: $('#asker').val(),
+			question	: $('#question').val()
+		}
+		var POSTdata = JSON.stringify(dataToSend);
+		$.ajax({
+			type	:"POST",
+			url 	:"/addQ",
+			contentType:"application/json",
+			data	:POSTdata,
+			success	: function(data){
+				$('#question-list').html(data);
+			},
+			error : function(data){
+				console.log(data);
+			}
+		});
+	});	
+
+	$('#answer-form').on('submit', function(e){
+		e.preventDefault();
+		if (!$('#answered_by').val())
+			return;
+		if (!$('#answer').val())
+			return;
+
+		dataToSend = {
+			qn 			: $('#question').val(),
+			written_by	: $('#answered_by').val(),
+			text		: $('#answer').val()
+		}
+		var POSTdata = JSON.stringify(dataToSend);
+		$.ajax({
+			type	:"POST",
+			url 	:"/addA",
+			contentType:"application/json",
+			data	:POSTdata,
+			success	: function(data){
+				$('#answer-list').html(data);
+			},
+			error : function(data){
+				console.log(data);
+			}
+		});
+	});	
+});

templates/answer_list.html

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+{% for answer in answers %}
+<tr>
+	<td> {{answer.text}} </td>
+	<td> {{answer.written_by}} </td>
+</tr>
+{% endfor %}

templates/layout.html

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+<html>
+<head>
+	<title>Questions and Answers</title>
+	<link href="http://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css" rel="stylesheet">
+	<script type='text/javascript' src="http://code.jquery.com/jquery-2.1.4.min.js"></script>
+	<script type='text/javascript' src="{{ url_for('static', filename='app.js') }}"></script>
+</head>
+<body>
+	<div class="container">
+		<div class="col-md-6 col-md-offset-3">
+			<h1 class="center page-header">QUESTIONS AND ANSWERS</h1>
+			{% block content%}
+			{% endblock %}
+		</div>
+	</div>
+</body>
+</html>

templates/main.html

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+{% extends "layout.html" %}
+{% block content %}
+<form id="question-form" class="form-horizontal">
+	<h3>Ask a Question: </h3>
+	<div class="form-group">
+		<label for="asker" class="control-label">Asker</label>
+		<input id="asker" class="form-control" type="text" name="asker">
+	</div>
+	<div class="form-group">
+		<label for="question" class="control-label">Question</label>
+		<input id="question" class="form-control" type="text" name="question">
+	</div>
+	<button type="submit" class="btn btn-primary col-md-2 col-md-offset-5" value="Submit">Submit</button>
+</form>
+
+<table class="table table-striped table-bordered" style="text-align:center">
+	<thead>
+		<th>Question</th>
+		<th>Asker</th>
+	</thead>
+	<tbody id="question-list">
+		{% include 'question_list.html' %}
+	</tbody>
+</table>
+
+{% endblock %}

templates/question.html

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+{% extends "layout.html" %}
+{% block content %}
+{% include 'question_box.html' %}
+<form id="answer-form" class="form-horizontal">
+	<div class="form-group">
+		<label for="answered_by" class="control-label">Name</label>
+		<input id="answered_by" class="form-control" type="text" name="answered_by">
+	</div>
+	<div class="form-group">
+		<label for="answer" class="control-label">Answer</label>
+		<input id="answer" class="form-control" type="text" name="answer">
+	</div>
+	<input id="question" type="hidden" value="{{question.id}}"/>
+	<button type="submit" class="btn btn-primary col-md-2 col-md-offset-5" value="Submit">Submit</button>
+</form>
+
+<table class="table table-striped table-bordered" style="text-align:center">
+	<thead>
+		<th>Answer</th>
+		<th>By</th>
+	</thead>
+	<tbody id="answer-list">
+		{% include 'answer_list.html' %}
+	</tbody>
+</table>
+<span class="col-md-3 col-md-offset-9"><a href="/">Back to main</a></span>
+{% endblock %}

templates/question_box.html

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+<div class="panel panel-default">
+	<div class="panel-heading">QUESTION</div>
+	<div class="panel-body">
+		{{ question.text }}
+	</div>
+</div>

templates/question_list.html

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+{% block question_list %}
+{% for question in questions %}
+<tr>
+	<td> <a href ="/view?q={{question.id}}">{{ question.text }}</a> </td>
+	<td> {{ question.author }} </td>
+</tr>
+{% endfor %}
+{% endblock %}