applied new functions and fixed bugs

src/web/app.py

@@ -1,12 +1,16 @@
-from dash import Dash, Input, Output
+from dash import Dash, Input, Output, State, ALL
 import dash_bootstrap_components as dbc
 import logging
+from typing import List
+from pydantic import ValidationError
 
 from .layout import app_layout
 from src.database import (
     connect,
     get_visual_communication,
-    NoDocumentFoundException
+    NoDocumentFoundException,
+    upsert_annotations,
+    ModelOutputs
 )
 
 # setup app
@@ -27,39 +31,111 @@ collection, db, client = connect()
 def show_alert(
     msg: str | None
 ):
-    if msg is None:
+    if msg is None or msg == "":
         return False, ""
+    logging.info(f"updated alert message: {msg}")
     return True, msg
 
 @app.callback(
     Output("alert-message", "data"),
-    Output("visual-communication-name", "data"),
+    Output("vis-com-name", "data"),
     Output("image-container", "src"),
+    Output({"type": "annotation", "index": ALL}, "value"),
     Input("next-button", "n_clicks"),
-    prevent_initial_call=True
+    State("vis-com-name", "data"),
+    State("image-container", "src"),
+    State({"type": "annotation", "index": ALL}, "id"),
+    State({"type": "annotation", "index": ALL}, "value"),
+    prevent_initial_call=True,
 )
-def load_unannotated_visual_communication_data(
-    n_clicks: int
+def cycle_visual_communication_data(
+    n_clicks: int,
+    vis_com_name: str,
+    image_src: str,
+    annotation_keys: List,
+    annotation_values: List,
 ):
+    logging.info("began cycling visual communication data")
     global collection
+    # prepare default response
+    response = [
+        "",
+        vis_com_name,
+        image_src,
+        annotation_values
+    ]
+    # check if next-button clicked
+    if n_clicks  == 0:
+        logging.info("stopping early: next-button has not yet been clicked")
+        return response
+    # check if visual communication name is set
+    if len(vis_com_name) > 0:
+        logging.info("saving annotations to database: %s", vis_com_name)
+        try:
+            # extract option keys
+            annotation_keys = [
+                elem["index"]
+                for elem in annotation_keys
+            ]
+            # ensure all options are set
+            logging.info(annotation_keys)
+            for option, value in zip(annotation_keys, annotation_values):
+                if value is None:
+                    raise ValueError(f"{option} is not set")
+            # prepare data to save
+            annotation_keys = [
+                elem.replace(' ', '_')
+                for elem
+                in annotation_keys
+            ]
+            annotation_values = [
+                elem.replace(' ', '_').lower()
+                for elem
+                in annotation_values
+            ]
+            annotations = {
+                key: value 
+                for key, value 
+                in zip(annotation_keys, annotation_values)
+            }
+            # instantiate ModelOutputs object
+            annotations = ModelOutputs.from_annotations(**annotations)
+            # save data to 
+            upsert_annotations(
+                collection=collection,
+                vis_com_name=vis_com_name,
+                annotations=annotations
+            )
+        except (ValueError, ValidationError) as exc:
+            msg = f"failed saving annotation: {exc}"
+            logging.warning(msg)
+            response[0] = msg
+            return tuple(response)
+    # get new visual communication
+    logging.info("trying to get new visual communication")
     try:
+        # get data
         vis_com = get_visual_communication(
             collection=collection,
             with_annotation=False
         )
+        # set variables
+        vis_com_name = vis_com.name
+        image_src = vis_com.webencoded_image()
+        if vis_com.prediction is not None:
+            # TODO: update to use optional predictions
+            pass
+        else:
+            # reset annotations
+            annotation_values = [None for elem in annotation_values]
     except NoDocumentFoundException:
-        return (
-            "Did not find any unannotated data in database",
-            None,
-            ""
-        )
-    # prepare return values
-    alert_message = None
-    vis_com_name = vis_com.name
-    img_src = f"data:image/png;base64, {vis_com.webencoded_image()}"
-    logging.info("updated visual communication")
-    return (
-        alert_message,
-        vis_com_name,
-        img_src
-    )
+        msg = f"no unannotated data in database"
+        logging.warning(msg)
+        response[0] = msg
+        return tuple(response)
+    else:
+        response[1] = vis_com_name
+        response[2] = image_src
+        response[3] = annotation_values
+        logging.info("finished getting visual communication: %s", vis_com_name)
+    return tuple(response)