From 5695bf39a4923953c3b0a7f3242e6926385834d7 Mon Sep 17 00:00:00 2001
From: pelle Jakovits <pelle.jakovitsh@ut.ee>
Date: Tue, 11 Mar 2025 09:20:17 +0200
Subject: [PATCH] Example code for exercise 5.1
---
app.py | 12 +++++++++---
templates/home.html | 11 ++++++-----
2 files changed, 15 insertions(+), 8 deletions(-)
diff --git a/app.py b/app.py
index 127eb3b..ae2ab5a 100644
--- a/app.py
+++ b/app.py
@@ -5,17 +5,19 @@ from flask import Flask, render_template, request
app = Flask(__name__)
+UPLOAD_FOLDER ='./static/images'
def read_messages_from_file():
""" Read all messages from a JSON file"""
with open('data.json') as messages_file:
return json.load(messages_file)
-def append_message_to_file(content):
+def append_message_to_file(img_path, content):
""" Read the contents of JSON file, add this message to it's contents, then write it back to disk. """
data = read_messages_from_file()
new_message = {
'content': content,
+ 'img_path': img_path,
'timestamp': datetime.now().isoformat(" ", "seconds")
}
@@ -29,10 +31,14 @@ def append_message_to_file(content):
# The Flask route, defining the main behaviour of the webserver:
@app.route("/handle_message", methods=['POST'])
def handleMessage():
+ img_path = ""
new_message = request.form['msg']
-
+ if('file' in request.files and request.files['file']):
+ image = request.files['file']
+ img_path = os.path.join(UPLOAD_FOLDER, image.filename)
+ image.save(img_path)
if new_message:
- append_message_to_file(new_message)
+ append_message_to_file(img_path, new_message)
return render_template('handle_message.html', message=new_message)
diff --git a/templates/home.html b/templates/home.html
index 3f16144..fc6505a 100644
--- a/templates/home.html
+++ b/templates/home.html
@@ -3,22 +3,23 @@
https://jinja.palletsprojects.com/en/3.0.x/ -->
<title>Message board</title>
<body>
- <h4>Welcome to Message board </h4>
+ <h4>Welcome to Pelle's Message board </h4>
There are {{ messages|length }} messages on the board. </ br>
<h4> Here are the last 10:</h4>
<ul>
{% for m in messages[-9:]|reverse %}
- <li>
- "{{m.content}}" <small>Posted on {{m.timestamp}} </small>
- </li>
+ <li>
+ "{{m.content}}" <small>Posted on {{m.timestamp}} </small> <img src="{{ m.img_path }}" width="500">
+ </li>
{% endfor %}
</ul>
<h4> Enter a new message</h4>
- <form action="/handle_message" method="post" >
+ <form action="/handle_message" method="post" enctype=multipart/form-data >
<label >Your message:</label><br>
<input type="text" name="msg"><br>
+ <input type="file" name="file"><br>
<input type="submit" value="Submit">
</form>
</body>
--
GitLab