example app backend code
[ealt-edge.git] / example-apps / ROBO / retail_app / inventry / retail_app.py
index 7de018e..e3f98d3 100644 (file)
@@ -18,11 +18,14 @@ import config
 from flask_sslify import SSLify
 from flask import Flask, request, jsonify, Response
 from flask_cors import CORS
-from camera_driver.capture_frame import VideoCamera, VideoFile
-from influxdb import InfluxDBClient
+# from camera_driver.capture_frame import VideoCamera, VideoFile
+# from capture_frame import VideoCamera, VideoFile
+# from influxdb import InfluxDBClient
 import json
 import time
 import requests
+import os
+import cv2
 
 
 app = Flask(__name__)
@@ -34,18 +37,20 @@ app.config['supports_credentials'] = True
 app.config['CORS_SUPPORTS_CREDENTIALS'] = True
 app.config['MAX_CONTENT_LENGTH'] = 16 * 1024 * 1024
 ALLOWED_EXTENSIONS = set(['png', 'jpg', 'jpeg'])
+ALLOWED_VIDEO_EXTENSIONS = {'mp4'}
 count = 0
 listOfMsgs = []
 listOfCameras = []
 listOfVideos = []
+mock_func = 1
 
 
-class inventry_info:
+class inventory_info:
     """
     Store the data and manage multiple input video feeds
     """
     def __init__(self, current_count=0, total_count=0, time=0):
-        self.type = "Shelf_INV"
+        self.type = "Shelf_INV1"
         self.labels = "Bottles"
         self.current_count = current_count
         self.total_count = total_count
@@ -76,32 +81,90 @@ class inventry_info:
         return self.time
 
 
-def store_data(inventry_info):
+# temporary copied capture_frame file to this due to docker issue for module
+# import
+
+class VideoCamera(object):
+    """
+    opneCV to capture frame from a camera
+    """
+    def __init__(self, url):
+        self.video = cv2.VideoCapture(url)
+
+    def delete(self):
+        self.video.release()
+
+    def get_frame(self):
+        """
+        get a frame from camera url
+        """
+        success, image = self.video.read()
+        return success, image
+
+
+class VideoFile(object):
+    """
+    opneCV to capture frame from a video stream
+    """
+    def __init__(self, video_name):
+        self.video = cv2.VideoCapture("./test/resources/" + video_name)
+
+    def delete(self):
+        self.video.release()
+
+    def get_frame(self):
+        """
+        get a frane from stream
+        """
+        success, image = self.video.read()
+        return success, image
+
+
+def store_data(inventory_info):
     """
     store time series data in influx db
     """
     # TODO config, schema table, DB, fill data set
     create_database()
-    store_info_db(inventry_info)
+    store_info_db(inventory_info)
 
 
-def shelf_inventry(video_capture, camera_info):
+def mock_table(inven_info):
+    current_count = 3
+    labels = "Bottles"
+    total_count = 6
+    inven_info.setcurrentcount(current_count)
+    inven_info.settotalcount(total_count)
+    inven_info.setlabel(labels)
+    inven_info.utime = time.time()
+    # store_data(inven_info)
+    local_store(inven_info)
+
+
+def shelf_inventory(video_capture, camera_info, true=None):
     """
-    人脸识别
+    shelf_inventory
     """
     global count
+    global mock_func
+
     labels = "bottles"
     process_this_frame = 0
-    while True:
-        success, frame = video_capture.get_frame()
-        if not success:
-            break
-        if process_this_frame == 0:
-            url = config.detection_url + "/v1/obj_detection/detect"
-            # info1 = cv2.imencode(".jpg", rgb_small_frame)[1].tobytes()
-            data = json.loads(requests.post(url, data=frame,
-                                            verify=config.ssl_cacertpath).text)
-        inven_info = inventry_info()
+    if mock_func == 1:
+        inven_info = inventory_info()
+        mock_table(inven_info)
+    else:
+        while True:
+            success, frame = video_capture.get_frame()
+            if not success:
+                break
+            if process_this_frame == 0:
+                url = config.detection_url + "/v1/obj_detection/detect"
+                # info1 = cv2.imencode(".jpg", rgb_small_frame)[1].tobytes()
+                data = json.loads(requests.post
+                                  (url, data=frame,
+                                   verify=config.ssl_cacertpath).text)
+        inven_info = inventory_info()
         current_count = data[count]
         labels = data[labels]
         total_count = inven_info.current_count + inven_info.total_count
@@ -109,7 +172,24 @@ def shelf_inventry(video_capture, camera_info):
         inven_info.settotalcount(total_count)
         inven_info.setlabel(labels)
         inven_info.utime = time.time()
-        store_data(inven_info)
+        # store_data(inven_info)
+        local_store(inven_info)
+
+
+def local_store(inven_info):
+    """
+    store "shelf" data to array
+
+    :param inven_info: Inventry object
+    :return: None
+    """
+    if len(listOfMsgs) >= 100:
+        listOfMsgs.pop()
+    newdict = {"shelfName": inven_info.type, "ObjType": inven_info.labels,
+               "currentCount": inven_info.current_count,
+               "totalCount": inven_info.total_count,
+               "time": time.time()}
+    listOfMsgs.insert(0, newdict)
 
 
 def store_info_db(inven_info):
@@ -142,11 +222,55 @@ def create_database():
     :return: None
     """
     global db_client
+#    proxy = {"http": "http://{}:{}".format(config.IPADDRESS, config.PORT)}
+#    db_client = InfluxDBClient(host=config.IPADDRESS, port=config.PORT,
+#    proxies=proxy, database=config.DATABASE_NAME)
+#    db_client.create_database(config.DATABASE_NAME)
 
-    proxy = {"http": "http://{}:{}".format(config.IPADDRESS, config.PORT)}
-    db_client = InfluxDBClient(host=config.IPADDRESS, port=config.PORT,
-                               proxies=proxy, database=config.DATABASE_NAME)
-    db_client.create_database(config.DATABASE_NAME)
+
+@app.route('/v1/inventry/table', methods=['GET'])
+def inventry_table():
+    """
+    return inventry table
+
+    :return: inventry table
+    """
+    return jsonify(listOfMsgs)
+
+
+@app.route('/v1/inventry/image', methods=['GET'])
+def detected_image():
+    """
+    return inventry table
+
+    :return: inventry table
+    """
+    return jsonify(listOfMsgs)
+
+
+def allowed_videofile(filename):
+    """
+    File types to upload:mp4
+    param: filename:
+    """
+    return '.' in filename and \
+           filename.rsplit('.', 1)[1].lower() in ALLOWED_VIDEO_EXTENSIONS
+
+
+@app.route('/v1/monitor/video', methods=['POST'])
+def upload_video():
+    app.logger.info("Received message from ClientIP [" + request.remote_addr
+                    + "] Operation [" + request.method + "]" +
+                    " Resource [" + request.url + "]")
+    if 'file' in request.files:
+        files = request.files.getlist("file")
+        for file in files:
+            if allowed_videofile(file.filename):
+                file.save(os.path.join(app.config['VIDEO_PATH'],
+                                       file.filename))
+            else:
+                raise IOError('video format error')
+    return Response("success")
 
 
 @app.route('/v1/monitor/cameras', methods=['POST'])
@@ -175,13 +299,13 @@ def get_camera(name, rtspurl, location):
         video_file = VideoFile(camera_info["rtspurl"])
         video_dict = {camera_info["name"]: video_file}
         listOfVideos.append(video_dict)
-        return Response(shelf_inventry(video_file, camera_info["name"]),
+        return Response(shelf_inventory(video_file, camera_info["name"]),
                         mimetype='multipart/x-mixed-replace; boundary=frame')
     else:
         video_file = VideoCamera(camera_info["rtspurl"])
         video_dict = {camera_info["name"]: video_file}
         listOfVideos.append(video_dict)
-        return Response(shelf_inventry(video_file, camera_info["name"]),
+        return Response(shelf_inventory(video_file, camera_info["name"]),
                         mimetype='multipart/x-mixed-replace; boundary=frame')
 
 
@@ -209,7 +333,14 @@ def query_cameras():
                     + "] Operation [" + request.method + "]" +
                     " Resource [" + request.url + "]")
     return jsonify(listOfCameras)
-    return Response("success")
+
+
+@app.route('/', methods=['GET'])
+def hello_world():
+    app.logger.info("Received message from ClientIP [" + request.remote_addr
+                    + "] Operation [" + request.method + "]" +
+                    " Resource [" + request.url + "]")
+    return Response("Hello MEC Developer")
 
 
 def start_server(handler):