From fbc00d7932a717a227389040a96443e61b597d7c Mon Sep 17 00:00:00 2001
From: xengineering <mail2xengineering@protonmail.com>
Date: Sun, 13 Sep 2020 20:50:54 +0200
Subject: Implement API

---
 README.md               |  3 +--
 main.py                 | 37 +++++++++++++++++++++++++++++++++----
 static/js/api_client.js | 40 ++++++++++++++++++++++++++++++++++++++++
 templates/index.html    |  8 +++++++-
 4 files changed, 81 insertions(+), 7 deletions(-)
 create mode 100644 static/js/api_client.js

diff --git a/README.md b/README.md
index dd6c925..b01c87b 100644
--- a/README.md
+++ b/README.md
@@ -7,5 +7,4 @@ A small Web Application to shutdown or reboot your Raspberry Pi.
 
 ## Current State
 
-**This project is currently in early development state. It is not yet usable.**
-
+The code works but there is still documentation / automation missing.
diff --git a/main.py b/main.py
index 88b4032..aa60a95 100755
--- a/main.py
+++ b/main.py
@@ -21,28 +21,57 @@
 """
 
 
+import os
 from waitress import serve
-from flask import Flask, render_template, current_app
+from flask import Flask, render_template, current_app, request
 
 
 app = Flask(__name__)
 
 
-@app.route('/')
+@app.route('/', methods=['GET'])
 def index():
     return render_template('index.html')
 
 
-@app.route('/static/css/<css_file>')
+@app.route('/static/css/<css_file>', methods=['GET'])
 def css(css_file):
     return current_app.send_static_file("css/{}".format(css_file))
 
 
-@app.route('/favicon.ico')
+@app.route('/static/js/<js_file>', methods=['GET'])
+def js(js_file):
+    return current_app.send_static_file("js/{}".format(js_file))
+
+
+@app.route('/favicon.ico', methods=['GET'])
 def favicon():
     return current_app.send_static_file("img/favicon.ico")
 
 
+@app.route('/api', methods=['POST'])
+def api():
+    data = request.json
+
+    print("Data: {}".format(data))
+    
+    try:
+        command = data["cmd"]
+    except:
+        return "Please provide a valid 'cmd' entry in the json dictionary!"
+
+    if command == "poweroff":
+        retval = {"return_value":"ok","request":data}
+        os.system("sudo poweroff")
+    elif command == "reboot":
+        retval = {"return_value":"ok","request":data}
+        os.system("sudo reboot")
+    else:
+        retval = {"return_value":"unknown command","request":data}
+
+    return retval
+
+
 if __name__ == '__main__':
     serve(app, listen='*:8080')  # production server / bind to port
     #serve(app, unix_socket='/run/web-template/unix.sock')  # production server / unix domain socket
diff --git a/static/js/api_client.js b/static/js/api_client.js
new file mode 100644
index 0000000..4c80651
--- /dev/null
+++ b/static/js/api_client.js
@@ -0,0 +1,40 @@
+
+
+/*
+    picontrol - A small Web Application to shutdown or reboot your Raspberry Pi.
+
+    Copyright (C) 2020  xengineering
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published
+    by the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+
+function poweroff() {
+    var xhr = new XMLHttpRequest();
+    xhr.open("POST", "/api", true);
+    xhr.setRequestHeader("Content-type", "application/json");
+    var data = {"cmd":"poweroff"}
+    var json = JSON.stringify(data);
+    xhr.send(json);
+}
+
+
+function reboot() {
+    var xhr = new XMLHttpRequest();
+    xhr.open("POST", "/api", true);
+    xhr.setRequestHeader("Content-type", "application/json");
+    var data = {"cmd":"reboot"}
+    var json = JSON.stringify(data);
+    xhr.send(json);
+}
diff --git a/templates/index.html b/templates/index.html
index 8ccd1b2..2715585 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -32,9 +32,15 @@
             <div class="content">
                 <header><h1>picontrol</h1></header>
                 <p>
-                    Still in early alpha version ...
+                    Reboot with this button:
                 </p>
+                <button onclick="reboot()">reboot</button>
+                <p>
+                    Power off with this button:
+                </p>
+                <button onclick="poweroff()">power off</button>
             </div>
         </div>
+        <script src="static/js/api_client.js"></script>
     </body>
 </html>
-- 
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