From 89bffd2ee328a19ee4839cd4c25cb98b2c313cbc Mon Sep 17 00:00:00 2001
From: miklo <miklo@hswro.org>
Date: Sun, 23 Nov 2025 19:55:00 +0100
Subject: [PATCH] initial

---
 .gitignore           | 31 ++++++++++++++++
 app.py               | 85 ++++++++++++++++++++++++++++++++++++++++++++
 templates/admin.html | 55 ++++++++++++++++++++++++++++
 templates/index.html | 24 +++++++++++++
 4 files changed, 195 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 app.py
 create mode 100644 templates/admin.html
 create mode 100644 templates/index.html

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..c0fe227
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,31 @@
+# Python
+__pycache__/
+*.py[cod]
+*.pyo
+*.pyd
+env/
+venv/
+.env
+
+# SQLite DB
+*.db
+queue.db
+
+# Flask debug / instance
+instance/
+
+# Byte-compiled / cache
+*.egg-info/
+.eggs/
+
+# IDEs
+.vscode/
+.idea/
+
+# System
+.DS_Store
+Thumbs.db
+
+# Do not track Pipfile and Pipfile.lock
+Pipfile
+Pipfile.lock
diff --git a/app.py b/app.py
new file mode 100644
index 0000000..b5b7838
--- /dev/null
+++ b/app.py
@@ -0,0 +1,85 @@
+from flask import Flask, render_template, request, redirect, url_for, g, jsonify
+import sqlite3
+import os
+
+DB = "queue.db"
+app = Flask(__name__)
+
+def get_db():
+    db = getattr(g, "_db", None)
+    if db is None:
+        need_init = not os.path.exists(DB)
+        db = g._db = sqlite3.connect(DB, check_same_thread=False)
+        db.row_factory = sqlite3.Row
+        if need_init:
+            init_db(db)
+    return db
+
+def init_db(db):
+    cur = db.cursor()
+    cur.execute("""CREATE TABLE items (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        number TEXT,
+        status TEXT    -- 'waiting', 'called', 'done'
+    )""")
+    db.commit()
+
+@app.teardown_appcontext
+def close_db(exc):
+    db = getattr(g, "_db", None)
+    if db:
+        db.close()
+
+# Main display for clients
+@app.route("/")
+def index():
+    db = get_db()
+    cur = db.execute("SELECT number FROM items WHERE status='called' ORDER BY id DESC LIMIT 1")
+    row = cur.fetchone()
+    current = row["number"] if row else ""
+    return render_template("index.html", current=current)
+
+# API endpoint used by clients to poll current number (JSON)
+@app.route("/current")
+def current_api():
+    db = get_db()
+    cur = db.execute("SELECT number FROM items WHERE status='called' ORDER BY id DESC LIMIT 1")
+    row = cur.fetchone()
+    return jsonify(current=(row["number"] if row else ""))
+
+# Admin UI: start/reset system by providing count of tickets (1..N)
+@app.route("/admin", methods=["GET", "POST"])
+def admin():
+    db = get_db()
+    if request.method == "POST":
+        action = request.form.get("action")
+        if action == "start":
+            n = int(request.form.get("count", "0"))
+            db.execute("DELETE FROM items")
+            for i in range(1, n+1):
+                db.execute("INSERT INTO items (number, status) VALUES (?, 'waiting')", (str(i),))
+            db.commit()
+        elif action == "call":
+            num = request.form.get("num")
+            # mark chosen number as called
+            db.execute("UPDATE items SET status='called' WHERE number=? AND status='waiting'", (num,))
+            db.commit()
+        elif action == "done":
+            num = request.form.get("num")
+            db.execute("UPDATE items SET status='done' WHERE number=? AND status='called'", (num,))
+            db.commit()
+        elif action == "reset":
+            db.execute("DELETE FROM items")
+            db.commit()
+        return redirect(url_for("admin"))
+
+    cur_wait = db.execute("SELECT number FROM items WHERE status='waiting' ORDER BY id").fetchall()
+    cur_called = db.execute("SELECT number FROM items WHERE status='called' ORDER BY id").fetchall()
+    cur_done = db.execute("SELECT number FROM items WHERE status='done' ORDER BY id").fetchall()
+    return render_template("admin.html",
+                           waiting=[r["number"] for r in cur_wait],
+                           called=[r["number"] for r in cur_called],
+                           done=[r["number"] for r in cur_done])
+
+if __name__ == "__main__":
+    app.run(host="0.0.0.0", port=5000, debug=True)
diff --git a/templates/admin.html b/templates/admin.html
new file mode 100644
index 0000000..b6fdde8
--- /dev/null
+++ b/templates/admin.html
@@ -0,0 +1,55 @@
+<!doctype html>
+<html>
+<head>
+  <meta charset="utf-8">
+  <title>Panel admina — kolejka</title>
+  <style>body{font-family:Helvetica,Arial;margin:20px} .col{float:left;width:30%;padding:10px} .btn{display:inline-block;margin:3px;padding:6px 10px;background:#2b7;padding:color:#fff;border-radius:4px}</style>
+</head>
+<body>
+  <h2>Panel admina</h2>
+
+  <form method="post">
+    <label>Start — liczba numerów:
+      <input name="count" type="number" min="1" value="20">
+    </label>
+    <button name="action" value="start">Start</button>
+    <button name="action" value="reset">Reset</button>
+  </form>
+
+  <div style="overflow:hidden;margin-top:20px">
+    <div class="col">
+      <h3>Oczekujące</h3>
+      {% for n in waiting %}
+        <form style="display:inline" method="post">
+          <input type="hidden" name="num" value="{{n}}">
+          <button name="action" value="call">{{n}}</button>
+        </form>
+      {% else %}
+        <p>brak</p>
+      {% endfor %}
+    </div>
+
+    <div class="col">
+      <h3>Wywołane (obecne)</h3>
+      {% for n in called %}
+        <form style="display:block;margin-bottom:6px" method="post">
+          <span style="font-size:20px;margin-right:8px">{{n}}</span>
+          <input type="hidden" name="num" value="{{n}}">
+          <button name="action" value="done">Przyszedł / Usuń</button>
+        </form>
+      {% else %}
+        <p>brak</p>
+      {% endfor %}
+    </div>
+
+    <div class="col">
+      <h3>Obsłużone</h3>
+      {% for n in done %}
+        <div>{{n}}</div>
+      {% else %}
+        <p>brak</p>
+      {% endfor %}
+    </div>
+  </div>
+</body>
+</html>
diff --git a/templates/index.html b/templates/index.html
new file mode 100644
index 0000000..5333f6e
--- /dev/null
+++ b/templates/index.html
@@ -0,0 +1,24 @@
+<!doctype html>
+<html>
+<head>
+  <meta charset="utf-8">
+  <title>Wywoływany numer</title>
+  <style>body{font-family:Helvetica,Arial;margin:30px;text-align:center} .num{font-size:120px;font-weight:700}</style>
+  <script>
+    async function fetchCurrent(){
+      try{
+        const r = await fetch('/current');
+        const j = await r.json();
+        document.getElementById('num').textContent = j.current || '-';
+      }catch(e){}
+    }
+    // poll co 2s
+    setInterval(fetchCurrent, 2000);
+    window.addEventListener('load', fetchCurrent);
+  </script>
+</head>
+<body>
+  <h1>Proszę podejść do okienka</h1>
+  <div class="num" id="num">-</div>
+</body>
+</html>