Store changes to tags in metadata DB

schema.sql

@@ -13,5 +13,6 @@ CREATE TABLE IF NOT EXISTS button_tags (
 	fk_tag INTEGER,
 	fk_button INTEGER,
 	FOREIGN KEY(fk_tag) REFERENCES tag(id),
-	FOREIGN KEY(fk_button) REFERENCES button(id)
+	FOREIGN KEY(fk_button) REFERENCES button(id),
+	PRIMARY KEY(fk_tag, fk_button)
 );

soundboard.py

@@ -90,12 +90,9 @@ def index(sound=None, text=None, video=None):
 
 @app.route("/edit/<sound>", methods=["GET", "POST"])
 def edit(sound):
-	if request.method == "POST":
-		# TODO: Store changes
-		return redirect("/edit")
-
 	tags = queryDB("""\
 SELECT
+	tag.id,
 	tag.name,
 	checked.id IS NOT NULL AS checked
 FROM
@@ -120,4 +117,26 @@ LEFT OUTER JOIN (
 ) AS checked
 ON tag.id = checked.id""", (sound,))
 
+	if request.method == "POST":
+		if not request.form.get("cancel"):
+			buttonId = queryDB("SELECT id FROM button WHERE file = ?", (sound,), True)
+
+			if buttonId is None:
+				queryDB("INSERT INTO button (file) VALUES (?)", (sound,))
+				getDB().commit()
+
+				buttonId = queryDB("SELECT id FROM button WHERE file = ?", (sound,), True)
+
+			for tag in tags:
+				checkbox = 1 if request.form.get("cb-{}".format(tag["name"])) else 0
+
+				if tag["checked"] < checkbox:
+					queryDB("INSERT OR REPLACE INTO button_tags (fk_button, fk_tag) VALUES (?, ?)", (buttonId[0], tag["id"]))
+					getDB().commit()
+				elif tag["checked"] > checkbox:
+					queryDB("DELETE FROM button_tags WHERE fk_button = ? AND fk_tag = ?", (buttonId[0], tag["id"]))
+					getDB().commit()
+
+		return redirect("/edit")
+
 	return render_template("edit.html", sound=sound, tags=tags)

templates/edit.html

@@ -8,11 +8,11 @@
 					<input type="text" id="search" placeholder="Search Tag" />
 					<ul class="tags">
 						{% for tag in tags %}
-							<li class="tag"><span>{{ tag.name }}</span><input type="checkbox" {{ 'checked="true" '|safe if tag.checked }}/></li>
+							<li class="tag"><span>{{ tag.name }}</span><input type="checkbox" name="cb-{{ tag.name }}" {{ 'checked="true" '|safe if tag.checked }}/></li>
 						{% endfor %}
 					</ul>
-					<input type="button" value="Cancel" />
+					<input type="submit" name="cancel" value="Cancel" />
-					<input type="submit" value="Save" />
+					<input type="submit" name="submit" value="Save" />
 				</form>
 			</div>
 {% endblock %}