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UTI: Code clean-up
[csit.git] / resources / tools / dash / app / pal / stats / layout.py
diff --git a/resources/tools/dash/app/pal/stats/layout.py b/resources/tools/dash/app/pal/stats/layout.py
index 18f7b69..8df6d53 100644 (file)
--- a/resources/tools/dash/app/pal/stats/layout.py
+++ b/resources/tools/dash/app/pal/stats/layout.py
@@ -14,41 +14,74 @@
 """Plotly Dash HTML layout override.
 """
 
 """Plotly Dash HTML layout override.
 """
 
+import logging
 import pandas as pd
 import dash_bootstrap_components as dbc
 
 import pandas as pd
 import dash_bootstrap_components as dbc
 
+from flask import Flask
 from dash import dcc
 from dash import html
 from dash import dcc
 from dash import html
-from dash import Input, Output
+from dash import callback_context, no_update
+from dash import Input, Output, State
 from dash.exceptions import PreventUpdate
 from yaml import load, FullLoader, YAMLError
 from datetime import datetime, timedelta
 from dash.exceptions import PreventUpdate
 from yaml import load, FullLoader, YAMLError
 from datetime import datetime, timedelta
+from copy import deepcopy
 
 
+from ..utils.constants import Constants as C
+from ..utils.utils import show_tooltip, gen_new_url, get_date, get_ttypes, \
+    get_cadences, get_test_beds, get_job, generate_options, set_job_params
+from ..utils.url_processing import url_decode
 from ..data.data import Data
 from ..data.data import Data
-from .graphs import graph_statistics
+from .graphs import graph_statistics, select_data
 
 
 class Layout:
 
 
 class Layout:
-    """
+    """The layout of the dash app and the callbacks.
     """
 
     """
 
-    def __init__(self, app, html_layout_file, spec_file, graph_layout_file,
-        data_spec_file):
-        """
+    def __init__(self, app: Flask, html_layout_file: str,
+        graph_layout_file: str, data_spec_file: str, tooltip_file: str,
+        time_period: int=None) -> 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 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.
+        :param time_period: It defines the time period for data read from the
+            parquets in days from now back to the past.
+        :type app: Flask
+        :type html_layout_file: str
+        :type graph_layout_file: str
+        :type data_spec_file: str
+        :type tooltip_file: str
+        :type time_period: int
         """
 
         # Inputs
         self._app = app
         self._html_layout_file = html_layout_file
         """
 
         # Inputs
         self._app = app
         self._html_layout_file = html_layout_file
-        self._spec_file = spec_file
         self._graph_layout_file = graph_layout_file
         self._data_spec_file = data_spec_file
         self._graph_layout_file = graph_layout_file
         self._data_spec_file = data_spec_file
+        self._tooltip_file = tooltip_file
+        self._time_period = time_period
 
         # Read the data:
         data_stats, data_mrr, data_ndrpdr = Data(
             data_spec_file=self._data_spec_file,
             debug=True
 
         # Read the data:
         data_stats, data_mrr, data_ndrpdr = Data(
             data_spec_file=self._data_spec_file,
             debug=True
-        ).read_stats(days=180)
+        ).read_stats(days=self._time_period)
 
         df_tst_info = pd.concat([data_mrr, data_ndrpdr], ignore_index=True)
 
 
         df_tst_info = pd.concat([data_mrr, data_ndrpdr], ignore_index=True)
 
@@ -58,7 +91,29 @@ class Layout:
         data_stats = data_stats[~data_stats.job.str.contains("-iterative-")]
         data_stats = data_stats[["job", "build", "start_time", "duration"]]
 
         data_stats = data_stats[~data_stats.job.str.contains("-iterative-")]
         data_stats = data_stats[["job", "build", "start_time", "duration"]]
 
-        self._jobs = sorted(list(data_stats["job"].unique()))
+        data_time_period = \
+            (datetime.utcnow() - data_stats["start_time"].min()).days
+        if self._time_period > data_time_period:
+            self._time_period = data_time_period
+
+        jobs = sorted(list(data_stats["job"].unique()))
+        d_job_info = {
+            "job": list(),
+            "dut": list(),
+            "ttype": list(),
+            "cadence": list(),
+            "tbed": list()
+        }
+        for job in jobs:
+            lst_job = job.split("-")
+            d_job_info["job"].append(job)
+            d_job_info["dut"].append(lst_job[1])
+            d_job_info["ttype"].append(lst_job[3])
+            d_job_info["cadence"].append(lst_job[4])
+            d_job_info["tbed"].append("-".join(lst_job[-2:]))
+        self.job_info = pd.DataFrame.from_dict(d_job_info)
+
+        self._default = set_job_params(self.job_info, C.STATS_DEFAULT_JOB)
 
         tst_info = {
             "job": list(),
 
         tst_info = {
             "job": list(),
@@ -67,9 +122,10 @@ class Layout:
             "dut_version": list(),
             "hosts": list(),
             "passed": list(),
             "dut_version": list(),
             "hosts": list(),
             "passed": list(),
-            "failed": list()
+            "failed": list(),
+            "lst_failed": list()
         }
         }
-        for job in self._jobs:
+        for job in jobs:
             df_job = df_tst_info.loc[(df_tst_info["job"] == job)]
             builds = df_job["build"].unique()
             for build in builds:
             df_job = df_tst_info.loc[(df_tst_info["job"] == job)]
             builds = df_job["build"].unique()
             for build in builds:
@@ -80,21 +136,32 @@ class Layout:
                 tst_info["dut_version"].append(df_build["dut_version"].iloc[-1])
                 tst_info["hosts"].append(df_build["hosts"].iloc[-1])
                 try:
                 tst_info["dut_version"].append(df_build["dut_version"].iloc[-1])
                 tst_info["hosts"].append(df_build["hosts"].iloc[-1])
                 try:
-                    passed = df_build.value_counts(subset='passed')[True]
+                    passed = df_build.value_counts(subset="passed")[True]
                 except KeyError:
                     passed = 0
                 try:
                 except KeyError:
                     passed = 0
                 try:
-                    failed = df_build.value_counts(subset='passed')[False]
+                    failed = df_build.value_counts(subset="passed")[False]
+                    failed_tests = df_build.loc[(df_build["passed"] == False)]\
+                        ["test_id"].to_list()
+                    l_failed = list()
+                    for tst in failed_tests:
+                        lst_tst = tst.split(".")
+                        suite = lst_tst[-2].replace("2n1l-", "").\
+                            replace("1n1l-", "").replace("2n-", "")
+                        l_failed.append(f"{suite.split('-')[0]}-{lst_tst[-1]}")
                 except KeyError:
                     failed = 0
                 except KeyError:
                     failed = 0
+                    l_failed = list()
                 tst_info["passed"].append(passed)
                 tst_info["failed"].append(failed)
                 tst_info["passed"].append(passed)
                 tst_info["failed"].append(failed)
+                tst_info["lst_failed"].append(sorted(l_failed))
 
         self._data = data_stats.merge(pd.DataFrame.from_dict(tst_info))
 
         # Read from files:
         self._html_layout = ""
         self._graph_layout = None
 
         self._data = data_stats.merge(pd.DataFrame.from_dict(tst_info))
 
         # Read from files:
         self._html_layout = ""
         self._graph_layout = None
+        self._tooltips = dict()
 
         try:
             with open(self._html_layout_file, "r") as file_read:
 
         try:
             with open(self._html_layout_file, "r") as file_read:
@@ -115,12 +182,25 @@ class Layout:
         except YAMLError as err:
             raise RuntimeError(
                 f"An error occurred while parsing the specification file "
         except YAMLError as err:
             raise RuntimeError(
                 f"An error occurred while parsing the specification file "
-                f"{self._graph_layout_file}\n"
-                f"{err}"
+                f"{self._graph_layout_file}\n{err}"
             )
 
             )
 
+        try:
+            with open(self._tooltip_file, "r") as file_read:
+                self._tooltips = load(file_read, Loader=FullLoader)
+        except IOError as err:
+            logging.warning(
+                f"Not possible to open the file {self._tooltip_file}\n{err}"
+            )
+        except YAMLError as err:
+            logging.warning(
+                f"An error occurred while parsing the specification file "
+                f"{self._tooltip_file}\n{err}"
+            )
+
+
         self._default_fig_passed, self._default_fig_duration = graph_statistics(
         self._default_fig_passed, self._default_fig_duration = graph_statistics(
-            self.data, self.jobs[0], self.layout
+            self.data, self._default["job"], self.layout
         )
 
         # Callbacks:
         )
 
         # Callbacks:
@@ -140,16 +220,33 @@ class Layout:
         return self._graph_layout
 
     @property
         return self._graph_layout
 
     @property
-    def jobs(self) -> list:
-        return self._jobs
+    def time_period(self) -> int:
+        return self._time_period
+
+    @property
+    def default(self) -> any:
+        return self._default
 
     def add_content(self):
 
     def add_content(self):
+        """Top level method which generated the web page.
+
+        It generates:
+        - Store for user input data,
+        - Navigation bar,
+        - Main area with control panel and ploting area.
+
+        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:
             return html.Div(
                 id="div-main",
                 children=[
         if self.html_layout:
             return html.Div(
                 id="div-main",
                 children=[
+                    dcc.Store(id="control-panel"),
+                    dcc.Location(id="url", refresh=False),
                     dbc.Row(
                         id="row-navbar",
                         class_name="g-0",
                     dbc.Row(
                         id="row-navbar",
                         class_name="g-0",
@@ -157,16 +254,22 @@ class Layout:
                             self._add_navbar(),
                         ]
                     ),
                             self._add_navbar(),
                         ]
                     ),
+                    dcc.Loading(
+                        dbc.Offcanvas(
+                            class_name="w-50",
+                            id="offcanvas-metadata",
+                            title="Detailed Information",
+                            placement="end",
+                            is_open=False,
+                            children=[
+                                dbc.Row(id="row-metadata")
+                            ]
+                        )
+                    ),
                     dbc.Row(
                         id="row-main",
                         class_name="g-0",
                         children=[
                     dbc.Row(
                         id="row-main",
                         class_name="g-0",
                         children=[
-                            dcc.Store(
-                                id="selected-tests"
-                            ),
-                            dcc.Store(
-                                id="control-panel"
-                            ),
                             self._add_ctrl_col(),
                             self._add_plotting_col(),
                         ]
                             self._add_ctrl_col(),
                             self._add_plotting_col(),
                         ]
@@ -188,6 +291,9 @@ class Layout:
 
     def _add_navbar(self):
         """Add nav element with navigation panel. It is placed on the top.
 
     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",
         """
         return dbc.NavbarSimple(
             id="navbarsimple-main",
@@ -210,6 +316,9 @@ class Layout:
 
     def _add_ctrl_col(self) -> dbc.Col:
         """Add column with controls. It is placed on the left side.
 
     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",
         """
         return dbc.Col(
             id="col-controls",
@@ -220,6 +329,9 @@ class Layout:
 
     def _add_plotting_col(self) -> dbc.Col:
         """Add column with plots and tables. It is placed on the right side.
 
     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",
         """
         return dbc.Col(
             id="col-plotting-area",
@@ -248,17 +360,51 @@ class Layout:
                         ])
                     ]
                 ),
                         ])
                     ]
                 ),
-                dbc.Row(  # Download
-                    id="row-btn-download",
+                dbc.Row(
                     class_name="g-0 p-2",
                     class_name="g-0 p-2",
+                    align="center",
+                    justify="start",
                     children=[
                     children=[
-                        dcc.Loading(children=[
-                            dbc.Button(
-                                id="btn-download-data",
-                                children=["Download Data"]
-                            ),
-                            dcc.Download(id="download-data")
-                        ])
+                        dbc.Col(  # Download
+                            width=2,
+                            children=[
+                                dcc.Loading(children=[
+                                    dbc.Button(
+                                        id="btn-download-data",
+                                        children=show_tooltip(self._tooltips,
+                                            "help-download", "Download Data"),
+                                        class_name="me-1",
+                                        color="info"
+                                    ),
+                                    dcc.Download(id="download-data")
+                                ])
+                            ]
+                        ),
+                        dbc.Col(  # Show URL
+                            width=10,
+                            children=[
+                                dbc.InputGroup(
+                                    class_name="me-1",
+                                    children=[
+                                        dbc.InputGroupText(
+                                            style=C.URL_STYLE,
+                                            children=show_tooltip(
+                                                self._tooltips,
+                                                "help-url", "URL",
+                                                "input-url"
+                                            )
+                                        ),
+                                        dbc.Input(
+                                            id="input-url",
+                                            readonly=True,
+                                            type="url",
+                                            style=C.URL_STYLE,
+                                            value=""
+                                        )
+                                    ]
+                                )
+                            ]
+                        )
                     ]
                 )
             ],
                     ]
                 )
             ],
@@ -266,66 +412,508 @@ class Layout:
         )
 
     def _add_ctrl_panel(self) -> dbc.Row:
         )
 
     def _add_ctrl_panel(self) -> dbc.Row:
-        """
+        """Add control panel.
+
+        :returns: Control panel.
+        :rtype: dbc.Row
         """
         return dbc.Row(
             id="row-ctrl-panel",
         """
         return dbc.Row(
             id="row-ctrl-panel",
-            class_name="g-0 p-2",
+            class_name="g-0",
             children=[
             children=[
-                dbc.Label("Choose the Trending Job"),
-                dbc.RadioItems(
-                    id="ri_job",
-                    value=self.jobs[0],
-                    options=[{"label": i, "value": i} for i in self.jobs]
+                dbc.Row(
+                    class_name="g-0 p-2",
+                    children=[
+                        dbc.Row(
+                            class_name="gy-1",
+                            children=[
+                                dbc.Label(
+                                    class_name="p-0",
+                                    children=show_tooltip(self._tooltips,
+                                        "help-dut", "Device under Test")
+                                ),
+                                dbc.Row(
+                                    dbc.RadioItems(
+                                        id="ri-duts",
+                                        inline=True,
+                                        value=self.default["dut"],
+                                        options=self.default["duts"]
+                                    )
+                                )
+                            ]
+                        ),
+                        dbc.Row(
+                            class_name="gy-1",
+                            children=[
+                                dbc.Label(
+                                    class_name="p-0",
+                                    children=show_tooltip(self._tooltips,
+                                        "help-ttype", "Test Type"),
+                                ),
+                                dbc.RadioItems(
+                                    id="ri-ttypes",
+                                    inline=True,
+                                    value=self.default["ttype"],
+                                    options=self.default["ttypes"]
+                                )
+                            ]
+                        ),
+                        dbc.Row(
+                            class_name="gy-1",
+                            children=[
+                                dbc.Label(
+                                    class_name="p-0",
+                                    children=show_tooltip(self._tooltips,
+                                        "help-cadence", "Cadence"),
+                                ),
+                                dbc.RadioItems(
+                                    id="ri-cadences",
+                                    inline=True,
+                                    value=self.default["cadence"],
+                                    options=self.default["cadences"]
+                                )
+                            ]
+                        ),
+                        dbc.Row(
+                            class_name="gy-1",
+                            children=[
+                                dbc.Label(
+                                    class_name="p-0",
+                                    children=show_tooltip(self._tooltips,
+                                        "help-tbed", "Test Bed"),
+                                ),
+                                dbc.Select(
+                                    id="dd-tbeds",
+                                    placeholder="Select a test bed...",
+                                    value=self.default["tbed"],
+                                    options=self.default["tbeds"]
+                                )
+                            ]
+                        ),
+                        dbc.Row(
+                            class_name="gy-1",
+                            children=[
+                                dbc.Alert(
+                                    id="al-job",
+                                    color="info",
+                                    children=self.default["job"]
+                                )
+                            ]
+                        ),
+                        dbc.Row(
+                            class_name="g-0 p-2",
+                            children=[
+                                dbc.Label(
+                                    class_name="gy-1",
+                                    children=show_tooltip(self._tooltips,
+                                        "help-time-period", "Time Period"),
+                                ),
+                                dcc.DatePickerRange(
+                                    id="dpr-period",
+                                    className="d-flex justify-content-center",
+                                    min_date_allowed=\
+                                        datetime.utcnow() - timedelta(
+                                            days=self.time_period),
+                                    max_date_allowed=datetime.utcnow(),
+                                    initial_visible_month=datetime.utcnow(),
+                                    start_date=\
+                                        datetime.utcnow() - timedelta(
+                                            days=self.time_period),
+                                    end_date=datetime.utcnow(),
+                                    display_format="D MMM YY"
+                                )
+                            ]
+                        )
+                    ]
                 ),
                 ),
-                dbc.Label("Choose the Time Period"),
-                dcc.DatePickerRange(
-                    id="dpr-period",
-                    className="d-flex justify-content-center",
-                    min_date_allowed=\
-                        datetime.utcnow()-timedelta(days=180),
-                    max_date_allowed=datetime.utcnow(),
-                    initial_visible_month=datetime.utcnow(),
-                    start_date=datetime.utcnow() - timedelta(days=180),
-                    end_date=datetime.utcnow(),
-                    display_format="D MMMM YY"
-                )
             ]
         )
 
             ]
         )
 
+    class ControlPanel:
+        """A class representing the control panel.
+        """
+
+        def __init__(self, panel: dict, default: 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
+            """
+
+            self._defaults = {
+                "ri-ttypes-options": default["ttypes"],
+                "ri-cadences-options": default["cadences"],
+                "dd-tbeds-options": default["tbeds"],
+                "ri-duts-value": default["dut"],
+                "ri-ttypes-value": default["ttype"],
+                "ri-cadences-value": default["cadence"],
+                "dd-tbeds-value": default["tbed"],
+                "al-job-children": default["job"]
+            }
+            self._panel = deepcopy(self._defaults)
+            if panel:
+                for key in self._defaults:
+                    self._panel[key] = panel[key]
+
+        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
+                else:
+                    raise KeyError(f"The key {key} is not defined.")
+
+        @property
+        def defaults(self) -> dict:
+            return self._defaults
+
+        @property
+        def panel(self) -> dict:
+            return self._panel
+
+        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) -> list:
+            """Returns the values from the Control panel as a list.
+
+            :returns: The values from the Control panel.
+            :rtype: list
+            """
+            return list(self._panel.values())
+
+
     def callbacks(self, app):
     def callbacks(self, app):
+        """Callbacks for the whole application.
+
+        :param app: The application.
+        :type app: Flask
+        """
 
         @app.callback(
 
         @app.callback(
+            Output("control-panel", "data"),  # Store
             Output("graph-passed", "figure"),
             Output("graph-duration", "figure"),
             Output("graph-passed", "figure"),
             Output("graph-duration", "figure"),
-            Input("ri_job", "value"),
+            Output("input-url", "value"),
+            Output("ri-ttypes", "options"),
+            Output("ri-cadences", "options"),
+            Output("dd-tbeds", "options"),
+            Output("ri-duts", "value"),
+            Output("ri-ttypes", "value"),
+            Output("ri-cadences", "value"),
+            Output("dd-tbeds", "value"),
+            Output("al-job", "children"),
+            State("control-panel", "data"),  # Store
+            Input("ri-duts", "value"),
+            Input("ri-ttypes", "value"),
+            Input("ri-cadences", "value"),
+            Input("dd-tbeds", "value"),
             Input("dpr-period", "start_date"),
             Input("dpr-period", "end_date"),
             Input("dpr-period", "start_date"),
             Input("dpr-period", "end_date"),
-            prevent_initial_call=True
+            Input("url", "href")
         )
         )
-        def _update_ctrl_panel(job:str, d_start: str, d_end: str) -> tuple:
+        def _update_ctrl_panel(cp_data: dict, dut: str, ttype: str, cadence:str,
+                tbed: str, start: str, end: str, href: str) -> tuple:
+            """Update the application when the event is detected.
+
+            :param cp_data: Current status of the control panel stored in
+                browser.
+            :param dut: Input - DUT name.
+            :param ttype: Input - Test type.
+            :param cadence: Input - The cadence of the job.
+            :param tbed: Input - The test bed.
+            :param start: Date and time where the data processing starts.
+            :param end: Date and time where the data processing ends.
+            :param href: Input - The URL provided by the browser.
+            :type cp_data: dict
+            :type dut: str
+            :type ttype: str
+            :type cadence: str
+            :type tbed: str
+            :type start: str
+            :type end: str
+            :type href: str
+            :returns: New values for web page elements.
+            :rtype: tuple
             """
             """
-            """
-
-            d_start = datetime(int(d_start[0:4]), int(d_start[5:7]),
-                int(d_start[8:10]))
-            d_end = datetime(int(d_end[0:4]), int(d_end[5:7]), int(d_end[8:10]))
 
 
-            fig_passed, fig_duration = graph_statistics(
-                self.data, job, self.layout, d_start, d_end
+            ctrl_panel = self.ControlPanel(cp_data, self.default)
+
+            start = get_date(start)
+            end = get_date(end)
+
+            # Parse the url:
+            parsed_url = url_decode(href)
+            if parsed_url:
+                url_params = parsed_url["params"]
+            else:
+                url_params = None
+
+            trigger_id = callback_context.triggered[0]["prop_id"].split(".")[0]
+            if trigger_id == "ri-duts":
+                ttype_opts = generate_options(get_ttypes(self.job_info, dut))
+                ttype_val = ttype_opts[0]["value"]
+                cad_opts = generate_options(get_cadences(
+                    self.job_info, dut, ttype_val))
+                cad_val = cad_opts[0]["value"]
+                tbed_opts = generate_options(get_test_beds(
+                    self.job_info, dut, ttype_val, cad_val))
+                tbed_val = tbed_opts[0]["value"]
+                ctrl_panel.set({
+                    "ri-duts-value": dut,
+                    "ri-ttypes-options": ttype_opts,
+                    "ri-ttypes-value": ttype_val,
+                    "ri-cadences-options": cad_opts,
+                    "ri-cadences-value": cad_val,
+                    "dd-tbeds-options": tbed_opts,
+                    "dd-tbeds-value": tbed_val
+                })
+            elif trigger_id == "ri-ttypes":
+                cad_opts = generate_options(get_cadences(
+                    self.job_info, ctrl_panel.get("ri-duts-value"), ttype))
+                cad_val = cad_opts[0]["value"]
+                tbed_opts = generate_options(get_test_beds(
+                    self.job_info, ctrl_panel.get("ri-duts-value"), ttype,
+                    cad_val))
+                tbed_val = tbed_opts[0]["value"]
+                ctrl_panel.set({
+                    "ri-ttypes-value": ttype,
+                    "ri-cadences-options": cad_opts,
+                    "ri-cadences-value": cad_val,
+                    "dd-tbeds-options": tbed_opts,
+                    "dd-tbeds-value": tbed_val
+                })
+            elif trigger_id == "ri-cadences":
+                tbed_opts = generate_options(get_test_beds(
+                    self.job_info, ctrl_panel.get("ri-duts-value"),
+                    ctrl_panel.get("ri-ttypes-value"), cadence))
+                tbed_val = tbed_opts[0]["value"]
+                ctrl_panel.set({
+                    "ri-cadences-value": cadence,
+                    "dd-tbeds-options": tbed_opts,
+                    "dd-tbeds-value": tbed_val
+                })
+            elif trigger_id == "dd-tbeds":
+                ctrl_panel.set({
+                    "dd-tbeds-value": tbed
+                })
+            elif trigger_id == "dpr-period":
+                pass
+            elif trigger_id == "url":
+                # TODO: Add verification
+                if url_params:
+                    new_job = url_params.get("job", list())[0]
+                    new_start = url_params.get("start", list())[0]
+                    new_end = url_params.get("end", list())[0]
+                    if new_job and new_start and new_end:
+                        start = get_date(new_start)
+                        end = get_date(new_end)
+                        job_params = set_job_params(self.job_info, new_job)
+                        ctrl_panel = self.ControlPanel(None, job_params)
+                else:
+                    ctrl_panel = self.ControlPanel(cp_data, self.default)
+
+            job = get_job(
+                self.job_info,
+                ctrl_panel.get("ri-duts-value"),
+                ctrl_panel.get("ri-ttypes-value"),
+                ctrl_panel.get("ri-cadences-value"),
+                ctrl_panel.get("dd-tbeds-value")
             )
 
             )
 
-            return fig_passed, fig_duration
+            ctrl_panel.set({"al-job-children": job})
+            fig_passed, fig_duration = graph_statistics(self.data, job,
+                self.layout, start, end)
+
+            ret_val = [
+                ctrl_panel.panel,
+                fig_passed,
+                fig_duration,
+                gen_new_url(
+                    parsed_url,
+                    {
+                        "job": job,
+                        "start": start,
+                        "end": end
+                    }
+                )
+            ]
+            ret_val.extend(ctrl_panel.values())
+            return ret_val
 
         @app.callback(
             Output("download-data", "data"),
 
         @app.callback(
             Output("download-data", "data"),
+            State("control-panel", "data"),  # Store
+            State("dpr-period", "start_date"),
+            State("dpr-period", "end_date"),
             Input("btn-download-data", "n_clicks"),
             prevent_initial_call=True
         )
             Input("btn-download-data", "n_clicks"),
             prevent_initial_call=True
         )
-        def _download_data(n_clicks):
+        def _download_data(cp_data: dict, start: str, end: str, n_clicks: int):
+            """Download the data
+
+            :param cp_data: Current status of the control panel stored in
+                browser.
+            :param start: Date and time where the data processing starts.
+            :param end: Date and time where the data processing ends.
+            :param n_clicks: Number of clicks on the button "Download".
+            :type cp_data: dict
+            :type start: str
+            :type end: str
+            :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
+
+            ctrl_panel = self.ControlPanel(cp_data, self.default)
+
+            job = get_job(
+                self.job_info,
+                ctrl_panel.get("ri-duts-value"),
+                ctrl_panel.get("ri-ttypes-value"),
+                ctrl_panel.get("ri-cadences-value"),
+                ctrl_panel.get("dd-tbeds-value")
+            )
+
+            data = select_data(self.data, job, get_date(start), get_date(end))
+            data = data.drop(columns=["job", ])
+
+            return dcc.send_data_frame(data.T.to_csv, f"{job}-stats.csv")
+
+        @app.callback(
+            Output("row-metadata", "children"),
+            Output("offcanvas-metadata", "is_open"),
+            Input("graph-passed", "clickData"),
+            Input("graph-duration", "clickData"),
+            prevent_initial_call=True
+        )
+        def _show_metadata_from_graphs(
+                passed_data: dict, duration_data: dict) -> tuple:
+            """Generates the data for the offcanvas displayed when a particular
+            point in a graph is clicked on.
+
+            :param passed_data: The data from the clicked point in the graph
+                displaying the pass/fail data.
+            :param duration_data: The data from the clicked point in the graph
+                displaying the duration data.
+            :type passed_data: dict
+            :type duration data: dict
+            :returns: The data to be displayed on the offcanvas (job statistics
+                and the list of failed tests) and the information to show the
+                offcanvas.
+            :rtype: tuple(list, bool)
             """
             """
-            if not n_clicks:
+
+            if not (passed_data or duration_data):
                 raise PreventUpdate
 
                 raise PreventUpdate
 
-            return dcc.send_data_frame(self.data.to_csv, "statistics.csv")
+            metadata = no_update
+            open_canvas = False
+            title = "Job Statistics"
+            trigger_id = callback_context.triggered[0]["prop_id"].split(".")[0]
+            if trigger_id == "graph-passed":
+                graph_data = passed_data["points"][0].get("hovertext", "")
+            elif trigger_id == "graph-duration":
+                graph_data = duration_data["points"][0].get("text", "")
+            if graph_data:
+                lst_graph_data = graph_data.split("<br>")
+
+                # Prepare list of failed tests:
+                job = str()
+                build = str()
+                for itm in lst_graph_data:
+                    if "csit-ref:" in itm:
+                        job, build = itm.split(" ")[-1].split("/")
+                        break
+                if job and build:
+                    fail_tests = self.data.loc[
+                        (self.data["job"] == job) &
+                        (self.data["build"] == build)
+                    ]["lst_failed"].values[0]
+                    if not fail_tests:
+                        fail_tests = None
+                else:
+                    fail_tests = None
+
+                # Create the content of the offcanvas:
+                metadata = [
+                    dbc.Card(
+                        class_name="gy-2 p-0",
+                        children=[
+                            dbc.CardHeader(children=[
+                                dcc.Clipboard(
+                                    target_id="metadata",
+                                    title="Copy",
+                                    style={"display": "inline-block"}
+                                ),
+                                title
+                            ]),
+                            dbc.CardBody(
+                                id="metadata",
+                                class_name="p-0",
+                                children=[dbc.ListGroup(
+                                    children=[
+                                        dbc.ListGroupItem(
+                                            [
+                                                dbc.Badge(
+                                                    x.split(":")[0]
+                                                ),
+                                                x.split(": ")[1]
+                                            ]
+                                        ) for x in lst_graph_data
+                                    ],
+                                    flush=True),
+                                ]
+                            )
+                        ]
+                    )
+                ]
+
+                if fail_tests is not None:
+                    metadata.append(
+                        dbc.Card(
+                            class_name="gy-2 p-0",
+                            children=[
+                                dbc.CardHeader(
+                                    f"List of Failed Tests ({len(fail_tests)})"
+                                ),
+                                dbc.CardBody(
+                                    id="failed-tests",
+                                    class_name="p-0",
+                                    children=[dbc.ListGroup(
+                                        children=[
+                                            dbc.ListGroupItem(x) \
+                                                for x in fail_tests
+                                        ],
+                                        flush=True),
+                                    ]
+                                )
+                            ]
+                        )
+                    )
+
+                open_canvas = True
+
+            return metadata, open_canvas
Integration tests