Add SQLite query for tags with simple view

config.py.example

@@ -1 +1,2 @@
 path = "/home/pi/sounds"
+db = "metadata.sqlite"

soundboard.py

@@ -1,7 +1,8 @@
 import os
 import subprocess
+import sqlite3
 
-from flask import Flask, render_template, request, redirect, url_for
+from flask import Flask, render_template, request, redirect, url_for, g
 
 import config
 
@@ -9,7 +10,30 @@ app = Flask(__name__)
 app.jinja_env.trim_blocks = True
 app.jinja_env.lstrip_blocks = True
 
-processlist = []
+# Credits: http://flask.pocoo.org/docs/0.12/patterns/sqlite3/
+def getDB():
+	db = getattr(g, "_database", None)
+
+	if db is None:
+		db = g._database = sqlite3.connect(config.db)
+		db.row_factory = sqlite3.Row
+
+	return db
+
+@app.teardown_appcontext
+def closeDBConnection(exception):
+	db = getattr(g, "_database", None)
+
+	if db is not None:
+		db.close()
+
+def queryDB(query, args=(), one=False):
+	cur = getDB().execute(query, args)
+	result = cur.fetchall()
+
+	cur.close()
+
+	return (result[0] if result else None) if one else result
 
 @app.route("/")
 @app.route("/edit")
@@ -20,6 +44,8 @@ def index(sound=None, text=None, video=None):
 	sounds = [os.fsencode(file).decode() for file in os.listdir(config.path)]
 	sounds = sorted(sounds)
 
+	tags = queryDB("SELECT name FROM tag")
+
 	if sound is not None and sound in sounds:
 		subprocess.Popen(["omxplayer", os.path.join(config.path, sound).encode("utf-8")], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
 
@@ -54,7 +80,7 @@ def index(sound=None, text=None, video=None):
 	else:
 		edit = False
 
-	return render_template("index.html", sounds=sounds, edit=edit)
+	return render_template("index.html", sounds=sounds, tags=tags, edit=edit)
 
 @app.route("/edit/<sound>", methods=["GET", "POST"])
 def edit(sound):

templates/index.html

@@ -2,6 +2,11 @@
 {% block content %}
 			<section id="sounds">
 				<div><input type="text" id="search" /><span class="reset">⨯</span></div>
+				<ul>
+				{% for tag in tags %}
+					<li>{{ tag.name }}</li>
+				{% endfor %}
+				</ul>
 				{% for sound in sounds %}
 				<div class="sound{{ ' edit' if edit }}"><a href="{{ '/' + ('edit' if edit else 'play') + '/' + sound | urlencode }}">{{ sound.split('.', 1)[0] }}</a></div>
 				{% endfor %}