def store_image(request):
# get image from request
img_b64 = json.loads(request.data)["image"]
# decode base64
img_bytes = base64.b64decode(img_b64)
# encode to uint8 to create a numpy array
img_np_array = np.fromstring(img_bytes, np.uint8)
# decode image
img = cv2.imdecode(img_np_array, cv2.IMREAD_COLOR)
# we add the image to the db to obtain the id, so every filename is different
image = Image(img="")
db.session.add(image)
db.session.commit()
# save image to a file
filename = app.config[
"STUDENT_PHOTOS_FOLDER_PATH"] + "unknown-face-{0:0>3}.jpg".format(
image.id)
cv2.imwrite(filename, img)
# update filename of the image
image.img = filename
db.session.commit()
return image
