UTI: Set params in ctrl panel from url
[csit.git] / resources / tools / dash / app / pal / report / layout.py
index 164f2d4..34ec6c1 100644 (file)
@@ -23,23 +23,49 @@ from dash import dcc
 from dash import html
 from dash import callback_context, no_update, ALL
 from dash import Input, Output, State
+from dash.exceptions import PreventUpdate
 from yaml import load, FullLoader, YAMLError
 from copy import deepcopy
 from ast import literal_eval
 
 from ..utils.constants import Constants as C
-from ..utils.url_processing import url_decode, url_encode
+from ..utils.utils import show_tooltip, label, sync_checklists, list_tests, \
+    gen_new_url, generate_options
+from ..utils.url_processing import url_decode
 from ..data.data import Data
-from .graphs import graph_iterative, table_comparison, get_short_version
+from .graphs import graph_iterative, table_comparison, get_short_version, \
+    select_iterative_data
 
 
 class Layout:
-    """
+    """The layout of the dash app and the callbacks.
     """
 
     def __init__(self, app: Flask, releases: list, html_layout_file: str,
         graph_layout_file: str, data_spec_file: str, tooltip_file: str) -> None:
-        """
+        """Initialization:
+        - save the input parameters,
+        - read and pre-process the data,
+        - prepare data for the control panel,
+        - read HTML layout file,
+        - read tooltips from the tooltip file.
+
+        :param app: Flask application running the dash application.
+        :param releases: Lis of releases to be displayed.
+        :param html_layout_file: Path and name of the file specifying the HTML
+            layout of the dash application.
+        :param graph_layout_file: Path and name of the file with layout of
+            plot.ly graphs.
+        :param data_spec_file: Path and name of the file specifying the data to
+            be read from parquets for this application.
+        :param tooltip_file: Path and name of the yaml file specifying the
+            tooltips.
+        :type app: Flask
+        :type releases: list
+        :type html_layout_file: str
+        :type graph_layout_file: str
+        :type data_spec_file: str
+        :type tooltip_file: str
         """
 
         # Inputs
@@ -189,35 +215,20 @@ class Layout:
     def layout(self):
         return self._graph_layout
 
-    def label(self, key: str) -> str:
-        return C.LABELS.get(key, key)
+    def add_content(self):
+        """Top level method which generated the web page.
 
-    def _show_tooltip(self, id: str, title: str,
-            clipboard_id: str=None) -> list:
-        """
-        """
-        return [
-            dcc.Clipboard(target_id=clipboard_id, title="Copy URL") \
-                if clipboard_id else str(),
-            f"{title} ",
-            dbc.Badge(
-                id=id,
-                children="?",
-                pill=True,
-                color="white",
-                text_color="info",
-                class_name="border ms-1",
-            ),
-            dbc.Tooltip(
-                children=self._tooltips.get(id, str()),
-                target=id,
-                placement="auto"
-            )
-        ]
+        It generates:
+        - Store for user input data,
+        - Navigation bar,
+        - Main area with control panel and ploting area.
 
-    def add_content(self):
-        """
+        If no HTML layout is provided, an error message is displayed instead.
+
+        :returns: The HTML div with the whole page.
+        :rtype: html.Div
         """
+
         if self.html_layout and self.spec_tbs:
             return html.Div(
                 id="div-main",
@@ -270,6 +281,9 @@ class Layout:
 
     def _add_navbar(self):
         """Add nav element with navigation panel. It is placed on the top.
+
+        :returns: Navigation bar.
+        :rtype: dbc.NavbarSimple
         """
         return dbc.NavbarSimple(
             id="navbarsimple-main",
@@ -292,6 +306,9 @@ class Layout:
 
     def _add_ctrl_col(self) -> dbc.Col:
         """Add column with controls. It is placed on the left side.
+
+        :returns: Column with the control panel.
+        :rtype: dbc.Col
         """
         return dbc.Col(
             id="col-controls",
@@ -302,6 +319,9 @@ class Layout:
 
     def _add_plotting_col(self) -> dbc.Col:
         """Add column with plots and tables. It is placed on the right side.
+
+        :returns: Column with tables.
+        :rtype: dbc.Col
         """
         return dbc.Col(
             id="col-plotting-area",
@@ -346,7 +366,10 @@ class Layout:
         )
 
     def _add_ctrl_panel(self) -> dbc.Row:
-        """
+        """Add control panel.
+
+        :returns: Control panel.
+        :rtype: dbc.Row
         """
         return dbc.Row(
             id="row-ctrl-panel",
@@ -358,7 +381,7 @@ class Layout:
                         dbc.InputGroup(
                             [
                                 dbc.InputGroupText(
-                                    children=self._show_tooltip(
+                                    children=show_tooltip(self._tooltips,
                                         "help-release", "CSIT Release")
                                 ),
                                 dbc.Select(
@@ -384,7 +407,7 @@ class Layout:
                         dbc.InputGroup(
                             [
                                 dbc.InputGroupText(
-                                    children=self._show_tooltip(
+                                    children=show_tooltip(self._tooltips,
                                         "help-dut", "DUT")
                                 ),
                                 dbc.Select(
@@ -405,7 +428,7 @@ class Layout:
                         dbc.InputGroup(
                             [
                                 dbc.InputGroupText(
-                                    children=self._show_tooltip(
+                                    children=show_tooltip(self._tooltips,
                                         "help-dut-ver", "DUT Version")
                                 ),
                                 dbc.Select(
@@ -427,7 +450,7 @@ class Layout:
                         dbc.InputGroup(
                             [
                                 dbc.InputGroupText(
-                                    children=self._show_tooltip(
+                                    children=show_tooltip(self._tooltips,
                                         "help-infra", "Infra")
                                 ),
                                 dbc.Select(
@@ -449,7 +472,7 @@ class Layout:
                         dbc.InputGroup(
                             [
                                 dbc.InputGroupText(
-                                    children=self._show_tooltip(
+                                    children=show_tooltip(self._tooltips,
                                         "help-area", "Area")
                                 ),
                                 dbc.Select(
@@ -469,7 +492,7 @@ class Layout:
                         dbc.InputGroup(
                             [
                                 dbc.InputGroupText(
-                                    children=self._show_tooltip(
+                                    children=show_tooltip(self._tooltips,
                                         "help-test", "Test")
                                 ),
                                 dbc.Select(
@@ -488,7 +511,7 @@ class Layout:
                     class_name="gy-1",
                     children=[
                         dbc.Label(
-                            children=self._show_tooltip(
+                            children=show_tooltip(self._tooltips,
                                 "help-framesize", "Frame Size"),
                             class_name="p-0"
                         ),
@@ -519,7 +542,7 @@ class Layout:
                     class_name="gy-1",
                     children=[
                         dbc.Label(
-                            children=self._show_tooltip(
+                            children=show_tooltip(self._tooltips,
                                 "help-cores", "Number of Cores"),
                             class_name="p-0"
                         ),
@@ -550,7 +573,7 @@ class Layout:
                     class_name="gy-1",
                     children=[
                         dbc.Label(
-                            children=self._show_tooltip(
+                            children=show_tooltip(self._tooltips,
                                 "help-ttype", "Test Type"),
                             class_name="p-0"
                         ),
@@ -581,7 +604,7 @@ class Layout:
                     class_name="gy-1",
                     children=[
                         dbc.Label(
-                            children=self._show_tooltip(
+                            children=show_tooltip(self._tooltips,
                                 "help-normalize", "Normalize"),
                             class_name="p-0"
                         ),
@@ -668,7 +691,19 @@ class Layout:
         )
 
     class ControlPanel:
+        """A class representing the control panel.
+        """
+
         def __init__(self, panel: dict) -> None:
+            """Initialisation of the control pannel by default values. If
+            particular values are provided (parameter "panel") they are set
+            afterwards.
+
+            :param panel: Custom values to be set to the control panel.
+            :param default: Default values to be set to the control panel.
+            :type panel: dict
+            :type defaults: dict
+            """
 
             # Defines also the order of keys
             self._defaults = {
@@ -719,6 +754,13 @@ class Layout:
             return self._panel
 
         def set(self, kwargs: dict) -> None:
+            """Set the values of the Control panel.
+
+            :param kwargs: key - value pairs to be set.
+            :type kwargs: dict
+            :raises KeyError: If the key in kwargs is not present in the Control
+                panel.
+            """
             for key, val in kwargs.items():
                 if key in self._panel:
                     self._panel[key] = val
@@ -726,36 +768,47 @@ class Layout:
                     raise KeyError(f"The key {key} is not defined.")
 
         def get(self, key: str) -> any:
+            """Returns the value of a key from the Control panel.
+
+            :param key: The key which value should be returned.
+            :type key: str
+            :returns: The value of the key.
+            :rtype: any
+            :raises KeyError: If the key in kwargs is not present in the Control
+                panel.
+            """
             return self._panel[key]
 
         def values(self) -> tuple:
+            """Returns the values from the Control panel as a list.
+
+            :returns: The values from the Control panel.
+            :rtype: list
+            """
             return tuple(self._panel.values())
 
-    @staticmethod
-    def _sync_checklists(opt: list, sel: list, all: list, id: str) -> tuple:
-        """
-        """
-        options = {v["value"] for v in opt}
-        if id =="all":
-            sel = list(options) if all else list()
-        else:
-            all = ["all", ] if set(sel) == options else list()
-        return sel, all
+    def callbacks(self, app):
+        """Callbacks for the whole application.
 
-    @staticmethod
-    def _list_tests(selection: dict) -> list:
-        """Display selected tests with checkboxes
+        :param app: The application.
+        :type app: Flask
         """
-        if selection:
-            return [{"label": v["id"], "value": v["id"]} for v in selection]
-        else:
-            return list()
-
-    def callbacks(self, app):
 
         def _generate_plotting_area(figs: tuple, table: pd.DataFrame,
                 url: str) -> tuple:
-            """
+            """Generate the plotting area with all its content.
+
+            :param figs: Figures to be placed in the plotting area.
+            :param table: A table to be placed in the plotting area bellow the
+                figures.
+            :param utl: The URL to be placed in the plotting area bellow the
+                tables.
+            :type figs: tuple of plotly.graph_objects.Figure
+            :type table: pandas.DataFrame
+            :type url: str
+            :returns: tuple of elements to be shown in the plotting area.
+            :rtype: tuple
+                (dcc.Graph, dcc.Graph, dbc.Table, list(dbc.Col, dbc.Col))
             """
 
             (fig_tput, fig_lat) = figs
@@ -779,7 +832,7 @@ class Layout:
                             dcc.Loading(children=[
                                 dbc.Button(
                                     id="btn-download-data",
-                                    children=self._show_tooltip(
+                                    children=show_tooltip(self._tooltips,
                                         "help-download", "Download Data"),
                                     class_name="me-1",
                                     color="info"
@@ -796,7 +849,7 @@ class Layout:
                                 children=[
                                     dbc.InputGroupText(
                                         style=C.URL_STYLE,
-                                        children=self._show_tooltip(
+                                        children=show_tooltip(self._tooltips,
                                             "help-url", "URL", "input-url")
                                     ),
                                     dbc.Input(
@@ -898,28 +951,64 @@ class Layout:
             cl_framesize_all: list, cl_testtype: list, cl_testtype_all: list,
             cl_normalize: list, btn_add: int, btn_remove: int,
             btn_remove_all: int, href: str) -> tuple:
-            """
-            """
-
-            def _gen_new_url(parsed_url: dict, store_sel: list) -> str:
+            """Update the application when the event is detected.
 
-                if parsed_url:
-                    new_url = url_encode({
-                        "scheme": parsed_url["scheme"],
-                        "netloc": parsed_url["netloc"],
-                        "path": parsed_url["path"],
-                        "params": {
-                            "store_sel": store_sel,
-                        }
-                    })
-                else:
-                    new_url = str()
-                return new_url
+            :param cp_data: Current status of the control panel stored in
+                browser.
+            :param store_sel: List of tests selected by user stored in the
+                browser.
+            :param list_sel: List of tests selected by the user shown in the
+                checklist.
+            :param dd_rls: Input - Releases.
+            :param dd_dut: Input - DUTs.
+            :param dd_dutver: Input - Version of DUT.
+            :param dd_phy: Input - topo- arch-nic-driver.
+            :param dd_area: Input - Tested area.
+            :param dd_test: Input - Test.
+            :param cl_core: Input - Number of cores.
+            :param cl_core_all: Input - All numbers of cores.
+            :param cl_framesize: Input - Frame sizes.
+            :param cl_framesize_all: Input - All frame sizes.
+            :param cl_testtype: Input - Test type (NDR, PDR, MRR).
+            :param cl_testtype_all: Input - All test types.
+            :param cl_normalize: Input - Normalize the results.
+            :param btn_add: Input - Button "Add Selected" tests.
+            :param btn_remove: Input - Button "Remove selected" tests.
+            :param btn_remove_all: Input - Button "Remove All" tests.
+            :param href: Input - The URL provided by the browser.
+            :type cp_data: dict
+            :type store_sel: list
+            :type list_sel: list
+            :type dd_rls: str
+            :type dd_dut: str
+            :type dd_dutver: str
+            :type dd_phy: str
+            :type dd_area: str
+            :type dd_test: str
+            :type cl_core: list
+            :type cl_core_all: list
+            :type cl_framesize: list
+            :type cl_framesize_all: list
+            :type cl_testtype: list
+            :type cl_testtype_all: list
+            :type cl_normalize: list
+            :type btn_add: int
+            :type btn_remove: int
+            :type btn_remove_all: int
+            :type href: str
+            :returns: New values for web page elements.
+            :rtype: tuple
+            """
 
             ctrl_panel = self.ControlPanel(cp_data)
+            norm = cl_normalize
 
             # Parse the url:
             parsed_url = url_decode(href)
+            if parsed_url:
+                url_params = parsed_url["params"]
+            else:
+                url_params = None
 
             row_fig_tput = no_update
             row_fig_lat = no_update
@@ -932,11 +1021,8 @@ class Layout:
 
             if trigger_id == "dd-ctrl-rls":
                 try:
-                    rls = self.spec_tbs[dd_rls]
-                    options = sorted(
-                        [{"label": v, "value": v} for v in rls.keys()],
-                        key=lambda d: d["label"]
-                    )
+                    options = \
+                        generate_options(sorted(self.spec_tbs[dd_rls].keys()))
                     disabled = False
                 except KeyError:
                     options = list()
@@ -975,10 +1061,7 @@ class Layout:
                 try:
                     rls = ctrl_panel.get("dd-rls-value")
                     dut = self.spec_tbs[rls][dd_dut]
-                    options = sorted(
-                        [{"label": v, "value": v} for v in dut.keys()],
-                        key=lambda d: d["label"]
-                    )
+                    options = generate_options(sorted(dut.keys()))
                     disabled = False
                 except KeyError:
                     options = list()
@@ -1015,10 +1098,7 @@ class Layout:
                     rls = ctrl_panel.get("dd-rls-value")
                     dut = ctrl_panel.get("dd-dut-value")
                     dutver = self.spec_tbs[rls][dut][dd_dutver]
-                    options = sorted(
-                        [{"label": v, "value": v} for v in dutver.keys()],
-                        key=lambda d: d["label"]
-                    )
+                    options = generate_options(sorted(dutver.keys()))
                     disabled = False
                 except KeyError:
                     options = list()
@@ -1053,11 +1133,8 @@ class Layout:
                     dut = ctrl_panel.get("dd-dut-value")
                     dutver = ctrl_panel.get("dd-dutver-value")
                     phy = self.spec_tbs[rls][dut][dutver][dd_phy]
-                    options = sorted(
-                        [{"label": self.label(v), "value": v}
-                            for v in phy.keys()],
-                        key=lambda d: d["label"]
-                    )
+                    options = [{"label": label(v), "value": v} \
+                        for v in sorted(phy.keys())]
                     disabled = False
                 except KeyError:
                     options = list()
@@ -1090,10 +1167,7 @@ class Layout:
                     dutver = ctrl_panel.get("dd-dutver-value")
                     phy = ctrl_panel.get("dd-phy-value")
                     area = self.spec_tbs[rls][dut][dutver][phy][dd_area]
-                    options = sorted(
-                        [{"label": v, "value": v} for v in area.keys()],
-                        key=lambda d: d["label"]
-                    )
+                    options = generate_options(sorted(area.keys()))
                     disabled = False
                 except KeyError:
                     options = list()
@@ -1122,29 +1196,29 @@ class Layout:
                 dutver = ctrl_panel.get("dd-dutver-value")
                 phy = ctrl_panel.get("dd-phy-value")
                 area = ctrl_panel.get("dd-area-value")
-                test = self.spec_tbs[rls][dut][dutver][phy][area][dd_test]
-                if dut and phy and area and dd_test:
+                if all((rls, dut, dutver, phy, area, dd_test, )):
+                    test = self.spec_tbs[rls][dut][dutver][phy][area][dd_test]
                     ctrl_panel.set({
                         "dd-test-value": dd_test,
-                        "cl-core-options": [{"label": v, "value": v}
-                            for v in sorted(test["core"])],
+                        "cl-core-options": \
+                            generate_options(sorted(test["core"])),
                         "cl-core-value": list(),
                         "cl-core-all-value": list(),
                         "cl-core-all-options": C.CL_ALL_ENABLED,
-                        "cl-framesize-options": [{"label": v, "value": v}
-                            for v in sorted(test["frame-size"])],
+                        "cl-framesize-options": \
+                            generate_options(sorted(test["frame-size"])),
                         "cl-framesize-value": list(),
                         "cl-framesize-all-value": list(),
                         "cl-framesize-all-options": C.CL_ALL_ENABLED,
-                        "cl-testtype-options": [{"label": v, "value": v}
-                            for v in sorted(test["test-type"])],
+                        "cl-testtype-options": \
+                            generate_options(sorted(test["test-type"])),
                         "cl-testtype-value": list(),
                         "cl-testtype-all-value": list(),
                         "cl-testtype-all-options": C.CL_ALL_ENABLED,
                     })
             elif trigger_id == "cl-ctrl-core":
-                val_sel, val_all = self._sync_checklists(
-                    opt=ctrl_panel.get("cl-core-options"),
+                val_sel, val_all = sync_checklists(
+                    options=ctrl_panel.get("cl-core-options"),
                     sel=cl_core,
                     all=list(),
                     id=""
@@ -1154,8 +1228,8 @@ class Layout:
                     "cl-core-all-value": val_all,
                 })
             elif trigger_id == "cl-ctrl-core-all":
-                val_sel, val_all = self._sync_checklists(
-                    opt = ctrl_panel.get("cl-core-options"),
+                val_sel, val_all = sync_checklists(
+                    options = ctrl_panel.get("cl-core-options"),
                     sel=list(),
                     all=cl_core_all,
                     id="all"
@@ -1165,8 +1239,8 @@ class Layout:
                     "cl-core-all-value": val_all,
                 })
             elif trigger_id == "cl-ctrl-framesize":
-                val_sel, val_all = self._sync_checklists(
-                    opt = ctrl_panel.get("cl-framesize-options"),
+                val_sel, val_all = sync_checklists(
+                    options = ctrl_panel.get("cl-framesize-options"),
                     sel=cl_framesize,
                     all=list(),
                     id=""
@@ -1176,8 +1250,8 @@ class Layout:
                     "cl-framesize-all-value": val_all,
                 })
             elif trigger_id == "cl-ctrl-framesize-all":
-                val_sel, val_all = self._sync_checklists(
-                    opt = ctrl_panel.get("cl-framesize-options"),
+                val_sel, val_all = sync_checklists(
+                    options = ctrl_panel.get("cl-framesize-options"),
                     sel=list(),
                     all=cl_framesize_all,
                     id="all"
@@ -1187,8 +1261,8 @@ class Layout:
                     "cl-framesize-all-value": val_all,
                 })
             elif trigger_id == "cl-ctrl-testtype":
-                val_sel, val_all = self._sync_checklists(
-                    opt = ctrl_panel.get("cl-testtype-options"),
+                val_sel, val_all = sync_checklists(
+                    options = ctrl_panel.get("cl-testtype-options"),
                     sel=cl_testtype,
                     all=list(),
                     id=""
@@ -1198,8 +1272,8 @@ class Layout:
                     "cl-testtype-all-value": val_all,
                 })
             elif trigger_id == "cl-ctrl-testtype-all":
-                val_sel, val_all = self._sync_checklists(
-                    opt = ctrl_panel.get("cl-testtype-options"),
+                val_sel, val_all = sync_checklists(
+                    options = ctrl_panel.get("cl-testtype-options"),
                     sel=list(),
                     all=cl_testtype_all,
                     id="all"
@@ -1252,7 +1326,7 @@ class Layout:
                     if C.CLEAR_ALL_INPUTS:
                         ctrl_panel.set(ctrl_panel.defaults)
                     ctrl_panel.set({
-                        "cl-selected-options": self._list_tests(store_sel)
+                        "cl-selected-options": list_tests(store_sel)
                     })
             elif trigger_id == "btn-sel-remove-all":
                 _ = btn_remove_all
@@ -1273,14 +1347,70 @@ class Layout:
                             new_store_sel.append(item)
                     store_sel = new_store_sel
             elif trigger_id == "url":
-                # TODO: Add verification
-                url_params = parsed_url["params"]
                 if url_params:
-                    store_sel = literal_eval(
-                        url_params.get("store_sel", list())[0])
+                    try:
+                        store_sel = literal_eval(url_params["store_sel"][0])
+                        norm = literal_eval(url_params["norm"][0])
+                    except (KeyError, IndexError):
+                        pass
                     if store_sel:
                         row_card_sel_tests = C.STYLE_ENABLED
                         row_btns_sel_tests = C.STYLE_ENABLED
+                        last_test = store_sel[-1]
+                        test = self.spec_tbs[last_test["rls"]]\
+                            [last_test["dut"]][last_test["dutver"]]\
+                                [last_test["phy"]][last_test["area"]]\
+                                    [last_test["test"]]
+                        ctrl_panel.set({
+                            "dd-rls-value": last_test["rls"],
+                            "dd-dut-value": last_test["dut"],
+                            "dd-dut-options": generate_options(sorted(
+                                self.spec_tbs[last_test["rls"]].keys())),
+                            "dd-dut-disabled": False,
+                            "dd-dutver-value": last_test["dutver"],
+                            "dd-dutver-options": generate_options(sorted(
+                                self.spec_tbs[last_test["rls"]]\
+                                    [last_test["dut"]].keys())),
+                            "dd-dutver-disabled": False,
+                            "dd-phy-value": last_test["phy"],
+                            "dd-phy-options": generate_options(sorted(
+                                self.spec_tbs[last_test["rls"]]\
+                                    [last_test["dut"]]\
+                                        [last_test["dutver"]].keys())),
+                            "dd-phy-disabled": False,
+                            "dd-area-value": last_test["area"],
+                            "dd-area-options": [
+                                {"label": label(v), "value": v} for v in \
+                                    sorted(self.spec_tbs[last_test["rls"]]\
+                                        [last_test["dut"]][last_test["dutver"]]\
+                                            [last_test["phy"]].keys())
+                            ],
+                            "dd-area-disabled": False,
+                            "dd-test-value": last_test["test"],
+                            "dd-test-options": generate_options(sorted(
+                                self.spec_tbs[last_test["rls"]]\
+                                    [last_test["dut"]][last_test["dutver"]]\
+                                        [last_test["phy"]]\
+                                            [last_test["area"]].keys())),
+                            "dd-test-disabled": False,
+                            "cl-core-options": generate_options(sorted(
+                                test["core"])),
+                            "cl-core-value": [last_test["core"].upper(), ],
+                            "cl-core-all-value": list(),
+                            "cl-core-all-options": C.CL_ALL_ENABLED,
+                            "cl-framesize-options": generate_options(
+                                sorted(test["frame-size"])),
+                            "cl-framesize-value": \
+                                [last_test["framesize"].upper(), ],
+                            "cl-framesize-all-value": list(),
+                            "cl-framesize-all-options": C.CL_ALL_ENABLED,
+                            "cl-testtype-options": generate_options(sorted(
+                                test["test-type"])),
+                            "cl-testtype-value": \
+                                [last_test["testtype"].upper(), ],
+                            "cl-testtype-all-value": list(),
+                            "cl-testtype-all-options": C.CL_ALL_ENABLED
+                        })
 
             if trigger_id in ("btn-ctrl-add", "url", "btn-sel-remove",
                     "cl-ctrl-normalize"):
@@ -1288,16 +1418,18 @@ class Layout:
                     row_fig_tput, row_fig_lat, row_table, row_btn_dwnld = \
                         _generate_plotting_area(
                             graph_iterative(
-                                self.data, store_sel, self.layout,
-                                bool(cl_normalize)
+                                self.data, store_sel, self.layout, bool(norm)
                             ),
                             table_comparison(
-                                self.data, store_sel, bool(cl_normalize)
+                                self.data, store_sel, bool(norm)
                             ),
-                            _gen_new_url(parsed_url, store_sel)
+                            gen_new_url(
+                                parsed_url,
+                                {"store_sel": store_sel, "norm": norm}
+                            )
                         )
                     ctrl_panel.set({
-                        "cl-selected-options": self._list_tests(store_sel)
+                        "cl-selected-options": list_tests(store_sel)
                     })
                 else:
                     row_fig_tput = C.PLACEHOLDER
@@ -1317,7 +1449,7 @@ class Layout:
                 disabled = True
             ctrl_panel.set({
                 "btn-add-disabled": disabled,
-                "cl-normalize-value": cl_normalize
+                "cl-normalize-value": norm
             })
 
             ret_val = [
@@ -1328,27 +1460,36 @@ class Layout:
             ret_val.extend(ctrl_panel.values())
             return ret_val
 
-        # @app.callback(
-        #     Output("download-data", "data"),
-        #     State("selected-tests", "data"),
-        #     Input("btn-download-data", "n_clicks"),
-        #     prevent_initial_call=True
-        # )
-        # def _download_data(store_sel, n_clicks):
-        #     """
-        #     """
-
-        #     if not n_clicks:
-        #         raise PreventUpdate
-
-        #     if not store_sel:
-        #         raise PreventUpdate
-
-        #     df = pd.DataFrame()
-        #     for itm in store_sel:
-        #         sel_data = select_trending_data(self.data, itm)
-        #         if sel_data is None:
-        #             continue
-        #         df = pd.concat([df, sel_data], ignore_index=True)
-
-        #     return dcc.send_data_frame(df.to_csv, "trending_data.csv")
+        @app.callback(
+            Output("download-data", "data"),
+            State("selected-tests", "data"),
+            Input("btn-download-data", "n_clicks"),
+            prevent_initial_call=True
+        )
+        def _download_data(store_sel, n_clicks):
+            """Download the data
+
+            :param store_sel: List of tests selected by user stored in the
+                browser.
+            :param n_clicks: Number of clicks on the button "Download".
+            :type store_sel: list
+            :type n_clicks: int
+            :returns: dict of data frame content (base64 encoded) and meta data
+                used by the Download component.
+            :rtype: dict
+            """
+
+            if not n_clicks:
+                raise PreventUpdate
+
+            if not store_sel:
+                raise PreventUpdate
+
+            df = pd.DataFrame()
+            for itm in store_sel:
+                sel_data = select_iterative_data(self.data, itm)
+                if sel_data is None:
+                    continue
+                df = pd.concat([df, sel_data], ignore_index=True)
+
+            return dcc.send_data_frame(df.to_csv, C.REPORT_DOWNLOAD_FILE_NAME)