Prva verzija mini web serverja (flask). Hvala, Github Copilot.

This commit is contained in:
2026-03-05 18:15:27 +01:00
parent 9e32e58c4c
commit 6ed45d2ebc
13 changed files with 1164 additions and 5 deletions

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web/__init__.py Normal file
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"""Package for web-related modules."""
from .server import app, set_projector_app, start_server_thread, run_server
__all__ = ["app", "set_projector_app", "start_server_thread", "run_server"]

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web/server.py Normal file
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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""Flask web server for the song projector application.
HTML, CSS and JavaScript are now stored in separate template/static files rather
than being generated inside Python code.
"""
import threading
import os
from flask import Flask, render_template, request, jsonify
# create Flask app with proper folders relative to this file
app = Flask(__name__, static_folder="static", template_folder="templates")
# Globalna referenca na SongProjector aplikaciju
_projector_app = None
def set_projector_app(projector_app):
"""Postavi referenco na SongProjector aplikacijo"""
global _projector_app
_projector_app = projector_app
# ----------------------------------------------------------
# Flask rute
# ----------------------------------------------------------
@app.route("/", methods=["GET"])
def index():
"""Prikaže glavno HTML stranko"""
# predaja nadzora Jinja2, ki poišče web/templates/index.html
return render_template("index.html")
@app.route('/api/state', methods=['GET'])
def get_state():
"""Vrati trenutno stanje aplikacije"""
if _projector_app is None:
return jsonify({
'current_text': 'Napaka: Aplikacija ni inicijalizirana',
'page_info': '',
'caps_mode': False,
'can_prev': False,
'can_next': False
})
current_text = ""
page_info = ""
can_prev = False
can_next = False
if _projector_app.pages:
current_text = _projector_app.pages[_projector_app.current_page_index]
if _projector_app.all_caps_mode:
current_text = current_text.upper()
current_page = _projector_app.current_page_index + 1
total_pages = len(_projector_app.pages)
page_info = f"{_projector_app.song_number_last} {current_page}/{total_pages}"
can_prev = _projector_app.current_page_index > 0
can_next = _projector_app.current_page_index + 1 < len(_projector_app.pages)
else:
current_text = "Pripravljeno. Vpiši številko pesmi."
return jsonify({
'current_text': current_text,
'page_info': page_info,
'caps_mode': _projector_app.all_caps_mode,
'can_prev': can_prev,
'can_next': can_next
})
@app.route('/api/load_song', methods=['POST'])
def load_song():
"""Naloži pesem po številki"""
if _projector_app is None:
return jsonify({'status': 'error', 'message': 'Aplikacija ni inicijalizirana'})
data = request.get_json()
song_number = data.get('song_number', '').strip()
if song_number:
_projector_app.song_number = song_number
_projector_app.load_song()
if hasattr(_projector_app, 'show_page'):
_projector_app.show_page()
return jsonify({'status': 'ok'})
@app.route('/api/next_page', methods=['POST'])
def next_page():
"""Naslednja stran"""
if _projector_app is not None:
_projector_app.next_page()
return jsonify({'status': 'ok'})
@app.route('/api/prev_page', methods=['POST'])
def prev_page():
"""Prejšnja stran"""
if _projector_app is not None:
_projector_app.prev_page()
return jsonify({'status': 'ok'})
@app.route('/api/clear_screen', methods=['POST'])
def clear_screen():
"""Zatemniti ekran"""
if _projector_app is not None:
_projector_app.clear_screen()
return jsonify({'status': 'ok'})
@app.route('/api/toggle_caps', methods=['POST'])
def toggle_caps():
"""Preklop med velikimi in malimi črkami"""
if _projector_app is not None:
_projector_app.all_caps_mode = not _projector_app.all_caps_mode
_projector_app.show_page()
return jsonify({'status': 'ok'})
@app.route('/api/search_songs', methods=['POST'])
def search_songs():
"""Iskanje pesmi po naslovu"""
if _projector_app is None:
return jsonify({'results': []})
data = request.get_json()
query = data.get('query', '').strip()
if not query:
return jsonify({'results': []})
try:
_projector_app.cursor.execute(
"SELECT id, title FROM songs WHERE title LIKE ? COLLATE NOCASE",
(f"%{query}%",)
)
results = _projector_app.cursor.fetchall()
return jsonify({'results': results})
except Exception as e:
return jsonify({'error': str(e)})
def run_server(host='127.0.0.1', port=5000):
"""Zaženi Flask server"""
app.run(host=host, port=port, debug=False, use_reloader=False, threaded=True)
def start_server_thread(projector_app, host='127.0.0.1', port=5000):
"""Zaženi server v zvjenoj niti"""
set_projector_app(projector_app)
server_thread = threading.Thread(
target=run_server,
args=(host, port),
daemon=True
)
server_thread.start()
return server_thread

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web/static/script.js Normal file
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console.log('JavaScript se izvaja...');
// DOM elementi
const songNumberInput = document.getElementById('song-number');
const loadBtn = document.getElementById('load-btn');
const searchQueryInput = document.getElementById('search-query');
const searchBtn = document.getElementById('search-btn');
const capsBtn = document.getElementById('caps-btn');
const displayArea = document.getElementById('display-area');
const prevBtn = document.getElementById('prev-btn');
const nextBtn = document.getElementById('next-btn');
const darkBtn = document.getElementById('dark-btn');
const pageInfo = document.getElementById('page-info');
console.log('DOM elementi najdeni:', { songNumberInput: !!songNumberInput, loadBtn: !!loadBtn, searchQueryInput: !!searchQueryInput, searchBtn: !!searchBtn, capsBtn: !!capsBtn, displayArea: !!displayArea, prevBtn: !!prevBtn, nextBtn: !!nextBtn, darkBtn: !!darkBtn, pageInfo: !!pageInfo });
let capsMode = false;
// Naloži trenutne podatke
async function updateState() {
console.log('updateState() se kliče...');
try {
console.log('Pošiljam fetch za /api/state...');
const response = await fetch('/api/state');
console.log('Response status:', response.status);
const data = await response.json();
console.log('Response data:', data);
displayArea.textContent = data.current_text || 'Pripravljeno. Vpiši številko pesmi.';
pageInfo.textContent = data.page_info || '';
capsMode = data.caps_mode || false;
if (capsMode) {
capsBtn.classList.add('active');
} else {
capsBtn.classList.remove('active');
}
prevBtn.disabled = !data.can_prev;
nextBtn.disabled = !data.can_next;
console.log('updateState() uspešno zaključeno');
} catch (error) {
console.error('Napaka pri posodabljanju stanja:', error);
displayArea.innerHTML = '<span class="status-message">Napaka: ni povezave do strežnika</span>';
prevBtn.disabled = true; nextBtn.disabled = true; loadBtn.disabled = true; searchBtn.disabled = true; capsBtn.disabled = true; darkBtn.disabled = true;
}
}
// Naloži pesem
async function loadSong() {
console.log('loadSong() se kliče');
const songNumber = songNumberInput.value.trim();
console.log('Song number:', songNumber);
if (!songNumber) return;
try {
console.log('Pošiljam POST za /api/load_song...');
const response = await fetch('/api/load_song', { method: 'POST', headers: {'Content-Type': 'application/json'}, body: JSON.stringify({song_number: songNumber}) });
console.log('Response status:', response.status);
const data = await response.json();
console.log('Response data:', data);
songNumberInput.value = '';
updateState();
} catch (error) {
console.error('Napaka pri nalaganju pesmi:', error);
displayArea.innerHTML = '<span class="status-message">Napaka: ni povezave do strežnika</span>';
}
}
// Naslednja stran
async function nextPage() {
try {
await fetch('/api/next_page', {method: 'POST'});
updateState();
} catch (error) {
console.error('Napaka pri navigaciji:', error);
displayArea.innerHTML = '<span class="status-message">Napaka: ni povezave do strežnika</span>';
}
}
// Prejšnja stran
async function prevPage() {
try {
await fetch('/api/prev_page', {method: 'POST'});
updateState();
} catch (error) {
console.error('Napaka pri navigaciji:', error);
displayArea.innerHTML = '<span class="status-message">Napaka: ni povezave do strežnika</span>';
}
}
// Zatemnitev ekrana
async function clearScreen() {
try {
await fetch('/api/clear_screen', {method: 'POST'});
updateState();
} catch (error) {
console.error('Napaka pri zatamnitvi ekrana:', error);
displayArea.innerHTML = '<span class="status-message">Napaka: ni povezave do strežnika</span>';
}
}
// Preklop VELIKIH ČRK
async function toggleCaps() {
try {
const response = await fetch('/api/toggle_caps', {method: 'POST'});
updateState();
} catch (error) {
console.error('Napaka pri preklopa velikih črk:', error); displayArea.innerHTML = '<span class="status-message">Napaka: ni povezave do strežnika</span>'; }
}
// Iskanje pesmi
async function searchSongs() {
const query = searchQueryInput.value.trim();
if (!query) return;
try {
const response = await fetch('/api/search_songs', { method: 'POST', headers: {'Content-Type': 'application/json'}, body: JSON.stringify({query: query}) });
const data = await response.json();
if (data.results && data.results.length > 0) {
const resultList = data.results.map(item => `${item[0]}: ${item[1]}`).join('\n');
displayArea.innerHTML = '<span class="status-message">' + resultList.replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/\n/g, '<br>') + '</span>';
} else {
displayArea.innerHTML = '<span class="status-message">Ni zadetkov.</span>';
}
searchQueryInput.value = '';
} catch (error) {
console.error('Napaka pri iskanju:', error);
displayArea.innerHTML = '<span class="status-message">Napaka: ni povezave do strežnika</span>';
}
}
// Dodaj poslušalce
console.log('Dodajam event listenerje...');
loadBtn.addEventListener('click', loadSong);
console.log('loadBtn listener dodan');
songNumberInput.addEventListener('keypress', (e) => { if (e.key === 'Enter') loadSong(); });
console.log('songNumberInput listener dodan');
searchBtn.addEventListener('click', searchSongs);
searchQueryInput.addEventListener('keypress', (e) => { if (e.key === 'Enter') searchSongs(); });
capsBtn.addEventListener('click', toggleCaps);
prevBtn.addEventListener('click', prevPage);
nextBtn.addEventListener('click', nextPage);
darkBtn.addEventListener('click', clearScreen);
console.log('Vsi event listenerji dodani');
// Začetna inicijalizacija
console.log('Začenjam začetno inicijalizacijo...');
updateState();
// Osveži stanje vsako sekundo (za sinhronizacijo s tipkovnico)
// setInterval(updateState, 1000);
console.log('JavaScript inicializacija zaključena');

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web/static/styles.css Normal file
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* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
font-family: 'Times New Roman', serif;
background-color: #0a0a0a;
color: #ffffff;
display: flex;
flex-direction: column;
height: 100vh;
}
.container {
display: flex;
flex-direction: column;
height: 100%;
padding: 0;
}
/* Gornja vrstica - Vnos pesmi */
.top-bar {
background-color: #1a1a1a;
padding: 20px;
border-bottom: 2px solid #333;
display: flex;
gap: 15px;
align-items: center;
flex-wrap: wrap;
}
.top-bar label {
font-size: 16px;
font-weight: bold;
}
.top-bar input {
padding: 10px 15px;
font-size: 16px;
background-color: #2a2a2a;
border: 1px solid #444;
color: #ffffff;
border-radius: 4px;
width: 100px;
}
.top-bar button {
padding: 10px 20px;
font-size: 16px;
background-color: #3a7ca5;
border: none;
color: white;
cursor: pointer;
border-radius: 4px;
transition: background-color 0.3s;
}
.top-bar button:hover {
background-color: #2d6183;
}
.caps-toggle {
padding: 10px 15px;
font-size: 14px;
background-color: #4a4a4a;
border: 1px solid #666;
color: #ffffff;
cursor: pointer;
border-radius: 4px;
transition: background-color 0.3s;
}
.caps-toggle.active {
background-color: #3a7ca5;
}
/* Sredenska vrstica - Prikaz besedila */
.content {
flex: 1;
display: flex;
align-items: center;
justify-content: center;
padding: 40px;
overflow-y: auto;
background-color: #000000;
}
.lyrics-display {
text-align: center;
font-size: 32px;
line-height: 1.5;
white-space: pre-wrap;
word-wrap: break-word;
max-width: 90%;
}
.status-message {
color: #aaa;
font-size: 24px;
}
/* Donja vrstica - Navigacijski gumbi */
.bottom-bar {
background-color: #1a1a1a;
padding: 20px;
border-top: 2px solid #333;
display: flex;
justify-content: center;
gap: 20px;
align-items: center;
}
.bottom-bar button {
padding: 15px 40px;
font-size: 18px;
border: none;
color: white;
cursor: pointer;
border-radius: 4px;
transition: background-color 0.3s;
min-width: 150px;
}
.btn-nav {
background-color: #556b79;
}
.btn-nav:hover {
background-color: #3d4a52;
}
.btn-nav:disabled {
background-color: #2a2a2a;
cursor: not-allowed;
opacity: 0.5;
}
.btn-dark {
background-color: #8b4513;
min-width: 150px;
}
.btn-dark:hover {
background-color: #6b3410;
}
.page-info {
color: #999;
font-size: 16px;
min-width: 60px;
}

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<!DOCTYPE html>
<html lang="sl">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Projektor pesmi - Web sučelje</title>
<link rel="stylesheet" href="{{ url_for('static', filename='styles.css') }}">
</head>
<body>
<div class="container">
<!-- Gornja vrstica -->
<div class="top-bar">
<label for="song-number">Pesem:</label>
<input type="number" id="song-number" placeholder="Vpiši številko" min="0">
<button id="load-btn">Naloži</button>
<!-- <label for="search-query">Iskanje:</label>
<input type="text" id="search-query" placeholder="Naslovna beseda...">
<button id="search-btn">Išči</button> -->
<button id="caps-btn" class="btn-dark">VELIKE črke</button>
</div>
<!-- Sredenska vrstica - Prikaz -->
<div class="content">
<div id="display-area" class="lyrics-display">
<span class="status-message">Pripravljeno. Vpiši številko pesmi.</span>
</div>
</div>
<!-- Spodnja vrstica - Navigacija -->
<div class="bottom-bar">
<button id="prev-btn" class="btn-nav">◀ Nazaj</button>
<span id="page-info" class="page-info"></span>
<button id="dark-btn" class="btn-dark">Zatemni ekran</button>
<span id="page-info-right" class="page-info"></span>
<button id="next-btn" class="btn-nav">Naprej ▶</button>
</div>
</div>
<script src="{{ url_for('static', filename='script.js') }}"></script>
</body>
</html>