Add session API routes

server/download.py

@@ -18,10 +18,10 @@ def download(ip, dest):
 
     for f in files:
         source_file = '/3dscan/' + f
-        dest_file = dest + f
+        dest_file = dest / f
         print('Grabbing file', source_file)
         sftp.get(source_file, dest_file)
-        sftp.remove(source_file)
+        #sftp.remove(source_file)
 
     if sftp: sftp.close()
     if transport: transport.close()
@@ -29,10 +29,7 @@ def download(ip, dest):
     print('Finished downloading from', ip)
 
 def download_all_photos(dest):
-    if not dest.endswith('/'):
-        raise Exception('Destination must end with /')
-
-    if not os.path.exists(dest):
+    if not dest.exists():
         raise Exception('Destination does not exist')
 
     print('Downloading all photos to', dest)
@@ -40,3 +37,7 @@ def download_all_photos(dest):
     for ip in settings.RASPBERRY_IPS:
         t = threading.Thread(target=download, args=(ip, dest))
         t.start()
+
+if __name__ == '__main__':
+    from pathlib import Path
+    download_all_photos(Path('test/'))

server/main.py

@@ -1,16 +1,19 @@
 import os
 import json
+import time
 from pathlib import Path
-from flask import Flask, request
+from flask import Flask, request, abort, send_from_directory
 from flask_cors import CORS
 
+import power, capture, download
+
 build_folder = Path('../client/build')
 output_folder = Path('./output')
 app = Flask(__name__, static_folder=str(build_folder), static_url_path='')
 CORS(app)
 
 @app.route('/api/clients', methods=['POST'])
-def clients():
+def clients_post():
     content = request.json
     print('Recieved:', content)
 
@@ -32,8 +35,89 @@ def clients():
 
     return {'client_id': client_id}
 
+@app.route('/api/clients/<cid>', methods=['GET'])
+def clients_get(cid):
+    folder = cid
+    path = output_folder / cid
+
+    if not path.exists():
+        abort(404)
+
+    info_file = path / 'info.json'
+    info_text = info_file.read_text()
+    res = json.loads(info_text)
+    photo_glob = path.glob('*.jpg')
+    res['has_photos'] = bool(list(photo_glob))
+
+    return res
+
+@app.route('/api/clients/<cid>/session', methods=['GET'])
+def session_get(cid):
+    folder = cid
+    path = output_folder / cid
+
+    if not path.exists():
+        abort(404)
+
+    photo_glob = path.glob('*.jpg')
+    res = {}
+    res['photos'] = [x.name for x in photo_glob]
+
+    return res
+
+@app.route('/api/clients/<cid>/session', methods=['DELETE'])
+def session_delete(cid):
+    folder = cid
+    path = output_folder / cid
+
+    if not path.exists():
+        abort(404)
+
+    photo_glob = path.glob('*.jpg')
+
+    for p in photo_glob:
+        p.unlink()
+
+    return ''
+
+@app.route('/api/clients/<cid>/session', methods=['POST'])
+def session_post(cid):
+    folder = cid
+    path = output_folder / cid
+
+    if not path.exists():
+        abort(404)
+
+    # go through the photo taking process
+
+    # warmup
+    power.lights_on()
+    time.sleep(4)
+    power.lights_off()
+    time.sleep(0.5)
+
+    # capture
+    power.lights_on()
+    time.sleep(0.25)
+    capture.trigger_capture()
+    time.sleep(1)
+    power.grid_on()
+    time.sleep(0.25)
+    capture.trigger_capture()
+    time.sleep(1)
+    power.grid_off()
+    power.lights_off()
+
+    download.download_all_photos(path)
+
+    return ''
+
 @app.route('/')
 def index():
     return app.send_static_file('index.html')
 
-app.run()
+@app.route('/output/<path:filename>')
+def output(filename):
+    return send_from_directory('output/', filename)
+
+app.run(host='0.0.0.0')