Add files dropbox.

dashboard/__init__.py

@@ -18,6 +18,7 @@
 
 import json
 import os.path
+import stat
 
 from astropy.time import Time
 import astropy.units as u
@@ -26,12 +27,17 @@
 from flask import abort
 from flask import Flask
 from flask import jsonify
+from flask import redirect
 from flask import render_template
 from flask import request
 from flask import send_from_directory
+from flask import url_for
 
+from werkzeug.security import safe_join
+from werkzeug.utils import secure_filename
 # pylint: disable=missing-docstring
 
+FILES_ROOT = '/home/observer/Public'
 
 GENERATED_DATA_DIR = '/var/www/dashboard/generated'
 GENERATED_DATA = {
@@ -70,6 +76,66 @@ def vnc():
     return render_template('vnc.html')
 
 
+@app.route('/files/', methods=['GET', 'POST'])
+@app.route('/files/<path:directory>', methods=['GET', 'POST'])
+def files(directory=''):
+    path = safe_join(FILES_ROOT, directory)
+    if path is None:
+        return abort(403)
+
+    if request.method == 'POST':
+        # check if the post request has the file part
+        if 'file' not in request.files:
+            return redirect(request.url)
+
+        f = request.files['file']
+        if f and f.filename:
+            filename = secure_filename(f.filename)
+            f.save(os.path.join(path, filename))
+            return redirect(request.url)
+
+    table = []
+    if directory:
+        parent = safe_join(FILES_ROOT, os.path.join(directory, '..'))
+        if parent:
+            info = os.stat(parent)
+            modified = Time(info.st_mtime, format='unix').strftime('%Y-%m-%d&nbsp;%H:%M:%S')
+            table.append((url_for('files', directory=os.path.join(directory, '..')), 'bi-folder2', '..', modified, '-'))
+
+    units = ['B', 'KiB', 'MiB', 'GiB']
+    for filename in os.listdir(path):
+        if filename.startswith('.'):
+            continue
+        try:
+            info = os.stat(os.path.join(path, filename))
+            if stat.S_ISDIR(info.st_mode):
+                url = url_for('files', directory=os.path.join(directory, filename))
+                icon = 'bi-folder2'
+                size = '-'
+            else:
+                url = url_for('file', path=os.path.join(directory, filename))
+                icon = 'bi-file-earmark'
+                size = info.st_size
+                i = 0
+                while size > 1024 and i < len(units):
+                    size /= 1024
+                    i += 1
+
+                size = f'{size:.2f}&nbsp;{units[i]}'
+
+            modified = Time(info.st_mtime, format='unix').strftime('%Y-%m-%d&nbsp;%H:%M:%S')
+            table.append((url, icon, filename, modified, size))
+        except:
+            pass
+
+    return render_template('files.html', table=table, directory=directory)
+
+
+@app.route('/file/<path:path>')
+def file(path):
+    return send_from_directory(FILES_ROOT, path)
+
+
 @app.route('/camera/<path:camera>')
 def camera_image(camera):
     if camera in ['eumetsat', 'allsky', 'dome', 'telescope']:

dashboard/templates/files.html

@@ -0,0 +1,38 @@
+{% extends "layout.html" %}
+{% set title = 'TCS Control' -%}
+{% set active_page = 'files' -%}
+{% block body %}
+<div class="container">
+    <div class="d-flex flex-row-reverse">
+        <div class="mt-3 mb-3" style="width: 400px">
+            <form method="post" enctype="multipart/form-data">
+                <div class="input-group input-group-sm">
+                    <input type="file" name="file" class="form-control" aria-label="Upload">
+                    <button class="btn btn-secondary" type="submit">Upload</button>
+                </div>
+            </form>
+        </div>
+    </div>
+    <div class="row">
+        <div class="rounded-0">
+            <table class="table table-bordered">
+              <tr>
+                <td class="fw-bold dashboard-stats w-75">Filename</td>
+                <td class="text-center fw-bold dashboard-stats w-auto">Modified</td>
+                <td class="text-end fw-bold dashboard-stats w-auto">Size</td>
+              </tr>
+              <tbody>
+              {% for row in table %}
+              <tr>
+                  <td class="font-monospace dashboard-stats"><a href="{{ row[0] }}"><i class="{{ row[1] }}" style="margin-right:5px"></i>{{ row[2] }}</a></td>
+                  <td class="text-center text-muted dashboard-stats">{{ row[3]|safe }}</td>
+                  <td class="text-end text-muted dashboard-stats">{{ row[4]|safe }}</td>
+              </tr>
+              {% endfor %}
+              </tbody>
+            </table>
+        </div>
+    </div>
+</div>
+
+{% endblock %}

dashboard/templates/layout.html

@@ -98,6 +98,9 @@ <h1 class="navbar-brand">Windmill Hill Observatory</h1>
                 <li class="nav-item">
                     <a class="nav-link fw-normal text-nowrap{% if active_page == 'vnc' %} active{% endif %}" href="{{ url_for('vnc') }}"><i class="bi-pc-display-horizontal" style="margin-right:5px"></i>Control</a>
                 </li>
+                <li class="nav-item">
+                    <a class="nav-link fw-normal text-nowrap{% if active_page == 'files' %} active{% endif %}" href="{{ url_for('files') }}"><i class="bi-file-earmark" style="margin-right:5px"></i>Files</a>
+                </li>
             </ul>
         </div>
     </div>