overall complete

.gitignore

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+env
+__pycache__/
+database.db
+venv/

app.py

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+import sqlite3
+from flask import Flask, render_template, request, url_for, flash, redirect
+from werkzeug.exceptions import abort
+import datetime
+import time
+
+
+def get_db_connection():
+    conn = sqlite3.connect('database.db')
+    conn.row_factory = sqlite3.Row
+    return conn
+
+
+def get_post(post_id):
+    conn = get_db_connection()
+    post = conn.execute('SELECT * FROM posts WHERE id = ?',
+                        (post_id,)).fetchone()
+    conn.close()
+    if post is None:
+        abort(404)
+    return post
+
+
+app = Flask(__name__)
+app.config['SECRET_KEY'] = 'your secret key'
+
+
+@app.route('/')
+def index():
+    conn = get_db_connection()
+    posts = conn.execute('SELECT * FROM posts').fetchall()
+    conn.close()
+    posts.reverse()
+    return render_template('index.html', posts=posts)
+
+
+@app.route('/<int:post_id>')
+def post(post_id):
+    post = get_post(post_id)
+    return render_template('post.html', post=post)
+
+
+# @app.route('/create', methods=('GET', 'POST'))
+# def create():
+#     if request.method == 'POST':
+#         title = request.form['title']
+#         content = request.form['content']
+
+#         if not title:
+#             flash('Title is required!')
+#         else:
+#             conn = get_db_connection()
+#             conn.execute('INSERT INTO posts (title, content) VALUES (?, ?)',
+#                          (title, content))
+#             conn.commit()
+#             conn.close()
+#             return redirect(url_for('index'))
+
+#     return render_template('create.html')
+@app.route('/create', methods=('GET', 'POST'))
+def create():
+    if request.method == 'POST':
+        title = request.form['username']
+        content = request.form['reason']
+        whom_to_meet = request.form['whom_to_meet']
+        created = request.form['entryTime']
+        exitTime = request.form['exitTime']
+        # exitTime = time.strptime(str(exitTime),"%Y-%m-%d %H:%M")
+        # created = time.strptime(str(created),"%Y-%m-%d %H:%M")
+        # exitTime = DateTimeConvert(exitTime)
+        # created = DateTimeConvert(created)
+
+        if not title:
+            flash('Title is required!')
+        else:
+            conn = get_db_connection()
+            conn.execute('INSERT INTO posts (username, reason,whom_to_meet,exit,created) VALUES (?, ? ,?,?,?)',
+                         (title, content,whom_to_meet,exitTime,created))
+            conn.commit()
+            conn.close()
+            return redirect(url_for('index'))
+
+    return render_template('create.html')
+
+@app.route('/info', methods=('GET', 'POST'))
+def info():
+    conn = get_db_connection()
+    HighVisited = conn.execute('SELECT id,whom_to_meet,COUNT(whom_to_meet) FROM posts GROUP BY whom_to_meet ORDER BY whom_to_meet DESC LIMIT 1').fetchone()
+    ReasonForFrequentVisits = conn.execute('SELECT id,reason,COUNT(reason) FROM posts GROUP BY reason ORDER BY reason DESC LIMIT 1').fetchone()
+    conn.close()
+
+    if request.method == 'POST':
+        print("post")
+        date = request.form['findDate']
+        period = request.form['period']
+        period = int(period)
+        print(date)
+        print(period)
+        conn = get_db_connection()
+        query = "select * from posts where DATE(created) == strftime('%Y-%m-%d','"+date+"')"
+        posts = conn.execute(query).fetchall()
+        conn.close()
+        intimes = []
+        outtimes =[]
+        for i in posts:
+            print(i[1])
+            print(DateTimeConvert(i[1]))
+            intimes.append(DateTimeConvert(i[1]))
+            outtimes.append(DateTimeConvert(i[5]))
+
+        first_entry = min((intimes))
+        last_exit = max((outtimes))
+
+        print('-----------------------')
+
+        step = 60
+        period = period * 60
+        max_number = 0
+        startTime = 0
+        endTIme = 0
+        for i in range(first_entry,last_exit,step):
+            count = 0
+            for out in outtimes:
+                if out >= i and out <=i+period:
+                    count+=1
+            if count>max_number:
+                max_number = count
+                startTime = i
+                endTIme = i+period
+
+        print(max_number)
+        print(startTime)
+        print(endTIme)
+        print(datetime.datetime.fromtimestamp(startTime / 1e3))
+        print(datetime.datetime.fromtimestamp(endTIme / 1e3))
+        st_date=datetime.datetime.fromtimestamp(startTime)
+        end_date=datetime.datetime.fromtimestamp(endTIme)
+        return render_template('info.html', post=HighVisited,postted=ReasonForFrequentVisits,startDate=st_date,endDate=end_date,MaxCount=max_number)
+
+
+    return render_template('info.html', post=HighVisited,postted=ReasonForFrequentVisits)
+
+def DateTimeConvert(date_in):
+    date_processing = date_in.replace('T', '-').replace(':', '-').split('-')
+    date_processing = [int(v) for v in date_processing]
+    return int(time.mktime(datetime.datetime(*date_processing).timetuple()))
+
+@app.route('/<int:id>/edit', methods=('GET', 'POST'))
+def edit(id):
+    post = get_post(id)
+
+    print(post[1])
+    if request.method == 'POST':
+        title = request.form['username']
+        content = request.form['reason']
+        whom_to_meet = request.form['whom_to_meet']
+        exitTime = request.form['exitTime']
+        created = request.form['entryTime']
+
+        if not title:
+            flash('Title is required!')
+        else:
+            conn = get_db_connection()
+            #(username, reason,whom_to_meet,exit,created) VALUES (?, ? ,?,?,?)
+            conn.execute('UPDATE posts SET username = ?, reason = ? ,whom_to_meet = ?,exit = ? ,created = ?'
+                         ' WHERE id = ?',
+                         (title, content,whom_to_meet,exitTime,created,id))
+            conn.commit()
+            conn.close()
+            return redirect(url_for('index'))
+
+    return render_template('edit.html', post=post)
+
+
+@app.route('/<int:id>/delete', methods=('POST',))
+def delete(id):
+    post = get_post(id)
+    conn = get_db_connection()
+    conn.execute('DELETE FROM posts WHERE id = ?', (id,))
+    conn.commit()
+    conn.close()
+    flash('"{}" was successfully deleted!'.format(post['username']))
+    return redirect(url_for('index'))
+
+if __name__ == '__main__':
+    # app.run(host='0.0.0.0')
+    app.run(debug=True)

hello.py

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+from flask import Flask, request, escape
+
+app = Flask(__name__)
+
+
+@app.route('/')
+def hello():
+    return 'Hello, World!'
+
+
+@app.route('/greet')
+def greet():
+    name = request.args['name']
+    return '''
+    <!DOCTYPE html>
+    <html lang="en">
+    <head>
+        <meta charset="UTF-8">
+        <title></title>
+    </head>
+    <body>
+        <h1>Hi {}</h1>
+    </body>
+    </html>'''.format(escape(name))

init_db.py

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+import sqlite3
+
+connection = sqlite3.connect('database.db')
+
+
+with open('schema.sql') as f:
+    connection.executescript(f.read())
+
+cur = connection.cursor()
+
+cur.execute("INSERT INTO posts (username, reason) VALUES (?, ?)",
+            ('First Post', 'Content for the first post')
+            )
+
+cur.execute("INSERT INTO posts (username, reason) VALUES (?, ?)",
+            ('Second Post', 'Content for the second post')
+            )
+
+connection.commit()
+connection.close()

schema.sql

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+DROP TABLE IF EXISTS posts;
+
+CREATE TABLE posts (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    created TIMESTAMP NOT NULL DEFAULT (datetime('now','localtime')),
+    username TEXT NOT NULL,
+    reason TEXT NOT NULL,
+    whom_to_meet TEXT,
+    exit TIMESTAMP
+);

static/css/style.css

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+h1 {
+    border: 2px #eee solid;
+    color: brown;
+    text-align: center;
+    padding: 10px;
+}
+

templates/base.html

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+<!doctype html>
+<html lang="en">
+  <head>
+    <!-- Required meta tags -->
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
+
+    <!-- Bootstrap CSS -->
+    <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
+
+    <title>{% block title %} {% endblock %}</title>
+  </head>
+  <body>
+      <nav class="navbar navbar-expand-md navbar-light bg-light">
+        <a class="navbar-brand" href="{{ url_for('index')}}">Visitors</a>
+        <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
+            <span class="navbar-toggler-icon"></span>
+        </button>
+        <div class="collapse navbar-collapse" id="navbarNav">
+            <ul class="navbar-nav">
+            <li class="nav-item">
+                <a class="nav-link" href="{{url_for('info')}}">info</a>
+            </li>
+            <li class="nav-item">
+                <a class="nav-link" href="{{url_for('create')}}">New Visitor</a>
+            </li>
+            </ul>
+        </div>
+      </nav>
+    <div class="container">
+        {% for message in get_flashed_messages() %}
+            <div class="alert alert-danger">{{ message }}</div>
+        {% endfor %}
+        {% block content %} {% endblock %}
+    </div>
+
+    <!-- Optional JavaScript -->
+    <!-- jQuery first, then Popper.js, then Bootstrap JS -->
+    <script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js" integrity="sha384-UO2eT0CpHqdSJQ6hJty5KVphtPhzWj9WO1clHTMGa3JDZwrnQq4sF86dIHNDz0W1" crossorigin="anonymous"></script>
+    <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js" integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM" crossorigin="anonymous"></script>
+  </body>
+</html>
+

templates/create.html

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+{% extends 'base.html' %}
+
+{% block content %}
+<h1>{% block title %} Create a New Entry {% endblock %}</h1>
+
+<form method="post">
+    <div class="form-group">
+        <label for="title">Name</label>
+        <input type="text" name="username" id="username"
+               placeholder="Name" class="form-control"
+               value="{{ request.form['username'] }}"></input>
+    </div>
+
+    <div class="form-group">
+        <label for="content">Reason</label>
+        <textarea name="reason" placeholder="Reason for visit"
+                  class="form-control">{{ request.form['reason'] }}</textarea>
+    </div>
+    <div class="form-group">
+        <label for="title">Whom are you visiting</label>
+        <input type="text" name="whom_to_meet" id="whom_to_meet"
+               placeholder="Whom are you visiting ?" class="form-control"
+               value="{{ request.form['whom_to_meet'] }}"></input>
+    </div>
+    <div class="form-group">
+        <label for="title">Entry Time</label>
+        <input type="datetime-local" id="entryTime" name="entryTime"
+       min="<?php echo $currenttime?>"  required>
+    </div>
+    <div class="form-group">
+        <label for="title">Exit Time </label>
+        <input type="datetime-local" id="exitTime" name="exitTime"
+       min="<?php echo $currenttime?>"  required>
+    </div>
+
+    <div class="form-group">
+        <button type="submit" class="btn btn-primary">Submit</button>
+    </div>
+
+</form>
+{% endblock %}