CEC-3577: fetch T.Rex log from the cloud (#283)

* CEC-3577: fetch T.Rex log from the cloud

* tabs?

* CSS

* smells

* fix smells and warnings

* suggestions

src/components/App/__snapshots__/App.test.js.snap

@@ -9851,7 +9851,7 @@ exports[`App Route /vehicle-status authenticated 1`] = `
                       <span
                         class="MuiTab-wrapper"
                       >
-                        ECUs
+                        T.Rex logs
                       </span>
                       <span
                         class="MuiTouchRipple-root"
@@ -9869,7 +9869,7 @@ exports[`App Route /vehicle-status authenticated 1`] = `
                       <span
                         class="MuiTab-wrapper"
                       >
-                        Remote Commands
+                        ECUs
                       </span>
                       <span
                         class="MuiTouchRipple-root"
@@ -9883,6 +9883,24 @@ exports[`App Route /vehicle-status authenticated 1`] = `
                       role="tab"
                       tabindex="-1"
                       type="button"
+                    >
+                      <span
+                        class="MuiTab-wrapper"
+                      >
+                        Remote Commands
+                      </span>
+                      <span
+                        class="MuiTouchRipple-root"
+                      />
+                    </button>
+                    <button
+                      aria-controls="tabpanel-8"
+                      aria-selected="false"
+                      class="MuiButtonBase-root MuiTab-root MuiTab-textColorInherit"
+                      id="tab-8"
+                      role="tab"
+                      tabindex="-1"
+                      type="button"
                     >
                       <span
                         class="MuiTab-wrapper"
@@ -10124,6 +10142,12 @@ exports[`App Route /vehicle-status authenticated 1`] = `
               id="tabpanel-7"
               role="tabpanel"
             />
+            <div
+              aria-labelledby="tab-8"
+              hidden=""
+              id="tabpanel-8"
+              role="tabpanel"
+            />
           </div>
         </main>
       </main>

src/components/Cars/Status/TRexLogsTab.jsx

@@ -0,0 +1,36 @@
+import { Typography } from "@material-ui/core";
+import clsx from "clsx";
+import React from "react";
+import { useParams } from "react-router";
+
+import { useUserContext } from "../../Contexts/UserContext";
+import { VehicleProvider } from "../../Contexts/VehicleContext";
+import TRexLogsTable from "../../Controls/TRexLogs";
+import useStyles from "../../useStyles";
+
+const MainForm = () => {
+  const { vin } = useParams();
+  const classes = useStyles();
+  const {
+    token: {
+      idToken: { jwtToken: token },
+    },
+  } = useUserContext();
+
+  return (
+    <div className={clsx(classes.paper, classes.tableSize)}>
+      <Typography variant="h6" className={classes.labelInline}>
+        T.Rex Logs
+      </Typography>
+      <TRexLogsTable vin={vin} token={token} classes={classes} />
+    </div>
+  );
+};
+
+const TRexLogsTab = () => (
+  <VehicleProvider>
+    <MainForm />
+  </VehicleProvider>
+);
+
+export default TRexLogsTab;

src/components/Cars/Status/__snapshots__/index.test.jsx.snap

@@ -135,7 +135,7 @@ exports[`CarStatus Render 1`] = `
                     <span
                       class="MuiTab-wrapper"
                     >
-                      ECUs
+                      T.Rex logs
                     </span>
                     <span
                       class="MuiTouchRipple-root"
@@ -153,7 +153,7 @@ exports[`CarStatus Render 1`] = `
                     <span
                       class="MuiTab-wrapper"
                     >
-                      Remote Commands
+                      ECUs
                     </span>
                     <span
                       class="MuiTouchRipple-root"
@@ -167,6 +167,24 @@ exports[`CarStatus Render 1`] = `
                     role="tab"
                     tabindex="-1"
                     type="button"
+                  >
+                    <span
+                      class="MuiTab-wrapper"
+                    >
+                      Remote Commands
+                    </span>
+                    <span
+                      class="MuiTouchRipple-root"
+                    />
+                  </button>
+                  <button
+                    aria-controls="tabpanel-8"
+                    aria-selected="false"
+                    class="MuiButtonBase-root MuiTab-root MuiTab-textColorInherit"
+                    id="tab-8"
+                    role="tab"
+                    tabindex="-1"
+                    type="button"
                   >
                     <span
                       class="MuiTab-wrapper"
@@ -352,6 +370,12 @@ exports[`CarStatus Render 1`] = `
             id="tabpanel-7"
             role="tabpanel"
           />
+          <div
+            aria-labelledby="tab-8"
+            hidden=""
+            id="tabpanel-8"
+            role="tabpanel"
+          />
         </div>
       </div>
     </div>

src/components/Cars/Status/index.jsx

@@ -17,6 +17,7 @@ import DigitalTwinTab from "./DigitalTwinTab";
 import ECUsTab from "./ECUsTab";
 import FleetsTab from "./FleetsTab";
 import RemoteCommandsTab from "./RemoteCommandsTab";
+import TRexLogsTab from "./TRexLogsTab"
 
 const tabHashes = ["details", "updates", "filters"];
 
@@ -42,6 +43,10 @@ const TabViews = [
     label: "CAN Signals",
     component: CANSignalsTab,
   },
+  {
+    label: "T.Rex logs",
+    component: TRexLogsTab,
+  },
   {
     label: "ECUs",
     component: ECUsTab,

src/components/Controls/TRexLogs/index.jsx

@@ -0,0 +1,258 @@
+import React, { useEffect, useState } from "react";
+
+import api from "../../../services/vehiclesAPI";
+import {
+  Table,
+  TableBody,
+  TableCell,
+  TableFooter,
+  TablePagination,
+  TableRow,
+} from "@material-ui/core";
+import {
+  MuiPickersUtilsProvider,
+  KeyboardDatePicker,
+} from '@material-ui/pickers';
+import clsx from "clsx";
+
+import { useStatusContext } from "../../Contexts/StatusContext";
+import { logger } from "../../../services/monitoring";
+import { TableHead } from "@mui/material";
+import DateFnsUtils from '@date-io/date-fns';
+
+const transformLogs = (logs) =>
+  logs.map((log) => {
+    const { level, timestamp, received_timestamp, line_number, filename, msg } = log;
+    //const trex_time = new Date(timestamp)
+    //const cloud_time = new Date(received_timestamp)
+    return {
+      level: level,
+      trex_timestamp: timestamp,
+      cloud_timestamp: received_timestamp,
+      line_number: line_number,
+      filename: filename,
+      msg: msg
+    };
+  })
+    .flat()
+
+const fromatDateForRequest = (date) => {
+  const getYear = date.toLocaleString("default", { year: "numeric" });
+  const getMonth = date.toLocaleString("default", { month: "2-digit" });
+  const getDay = date.toLocaleString("default", { day: "2-digit" });
+  return getYear + "-" + getMonth + "-" + getDay
+};
+
+const tableColumns = [
+  {
+    id: "level",
+    label: "Level",
+    width: "5%",
+  },
+  {
+    id: "trex_timestamp",
+    label: "T.Rex Timestamp",
+    width: "10%",
+  },
+  {
+    id: "cloud_timestamp",
+    label: "Cloud Timestamp",
+    width: "10%",
+  },
+  {
+    id: "line_number",
+    label: "Line Number",
+    width: "5%",
+  },
+  {
+    id: "filename",
+    label: "Filename",
+    width: "10%",
+  },
+  {
+    id: "msg",
+    label: "Message",
+    width: "60%",
+  },
+];
+//read at least 30000 bytes per one API request
+const ONE_READ_SIZE = 30000
+const DEFAULT_PAGE_SIZE = 25
+const TRexLogsTable = ({ vin, token, classes }) => {
+  const [allLogsFetched, setAllLogsFetched] = useState(false)
+  const [blobSize, setBlobSize] = useState(0)
+  const [currentOffset, setCurrentOffset] = useState(0)
+  const [logs, setLogs] = useState([]);
+  const [pageIndex, setPageIndex] = useState(0);
+  const [pageSize, setPageSize] = useState(DEFAULT_PAGE_SIZE);
+  const [selectedDate, setSelectedDate] = useState(new Date());
+  const [total, setTotal] = useState(0);
+  const { setMessage } = useStatusContext();
+
+  const readBlob = async (offset, count) => {
+    console.log(`reading from offset: ${offset}`)
+    return await api.getTRexLogs(vin, fromatDateForRequest(selectedDate), offset, count, "UP", token)
+  }
+  const getDesiredSize = () => {
+    return pageSize * pageIndex + pageSize
+  }
+  const getReadPercentage = () => {
+    if (blobSize === 0) {
+      return `No logs for ${fromatDateForRequest(selectedDate)}`
+    }
+    return `Read ${(currentOffset * 100 / blobSize).toFixed(2)}% of logs`
+  }
+  const fetchLogs = async (desiredSize) => {
+    let fetched = []
+    let offset = currentOffset
+    let readSize = ONE_READ_SIZE
+    do {
+      const result = await readBlob(offset, readSize)
+      if (result.error) {
+        fetched.error = result.error
+        break
+      }
+      console.log(`ret.RealOffset ${result.RealOffset}\nret.bytesRead ${result.bytesRead}\ndesired offset ${offset}\ndesired read size ${readSize}\nblobsize: ${result.blobSize}`)
+      setBlobSize(result.blobSize)
+      //if read two times less then neccessary, then adjust read size
+      if (fetched.length < desiredSize / 2) {
+        readSize *= 2
+        console.log(`new read size: ${readSize}`)
+      }
+      offset = result.RealOffset + result.bytesRead
+      fetched = transformLogs(result.data).concat(fetched)
+      if (offset >= result.blobSize) {
+        setMessage(`All log for ${fromatDateForRequest(selectedDate)} fetched`)
+        setAllLogsFetched(true)
+        break
+      }
+    } while (fetched.length <= desiredSize)
+
+    if (fetched.length === 0) {
+      if (logs.length !== 0) {
+        setMessage(`No more T.Rex logs for ${fromatDateForRequest(selectedDate)}`)
+        return
+      }
+      setTotal(0)
+      const msg = `Can not fetch logs for ${fromatDateForRequest(selectedDate)}`
+      setMessage(msg)
+      console.log(`${msg}, Cloud error:\n${fetched.error}`);
+      return
+    }
+    setCurrentOffset(offset)
+    return fetched
+  }
+
+  useEffect(() => {
+    (async () => {
+      try {
+        if (!vin || !token) return;
+        const desiredSize = getDesiredSize()
+        console.log(`desired size: ${desiredSize}, actual size: ${logs.length}`)
+        if (desiredSize < logs.length || allLogsFetched) {
+          console.log(`enough logs in cache`)
+          return
+        }
+        let fetched = await fetchLogs(desiredSize)
+        if (!fetched || fetched.length === 0) {
+          return
+        }
+        fetched = fetched.concat(logs)
+        setLogs(fetched);
+        setTotal(fetched.length);
+      } catch (e) {
+        setMessage(e.message);
+        logger.warn(e.stack);
+      }
+    })();
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [vin, token, pageIndex, pageSize, selectedDate]);
+
+  const handleChangePageSize = (event) => {
+    setPageSize(parseInt(event.target.value, 10));
+    setPageIndex(0);
+  };
+
+  const handleNewDate = (newValue) => {
+    setPageIndex(0);
+    setCurrentOffset(0)
+    setLogs([])
+    setAllLogsFetched(false)
+    setBlobSize(0)
+    setSelectedDate(newValue)
+  };
+
+  return (
+    <div className={clsx(classes.paper, classes.tableSize)}>
+      <Table
+        style={{ tableLayout: "fixed", minWidth: "1400px" }}
+      >
+        <TableRow>
+          <TableCell>
+            <MuiPickersUtilsProvider utils={DateFnsUtils}>
+              <KeyboardDatePicker
+                disableToolbar
+                variant="inline"
+                format="yyyy/MM/dd"
+                margin="normal"
+                id="date-picker-inline"
+                label="Choose date"
+                value={selectedDate}
+                onChange={handleNewDate}
+                KeyboardButtonProps={{
+                  'aria-label': 'change date',
+                }}
+              />
+            </MuiPickersUtilsProvider>
+            </TableCell>
+          <TableCell align="left">
+              {getReadPercentage()}
+            </TableCell>
+        </TableRow>
+      </Table>
+      <Table
+        style={{ tableLayout: "fixed", minWidth: "1400px" }}
+      >
+        <TableHead
+          classes={classes}>
+
+          <TableRow>
+            {tableColumns.map((column) => (
+              <TableCell style={{ width: column.width }} align="center" key={column.label || "none"}>{column.label}</TableCell>
+            ))} </TableRow>
+        </TableHead >
+        <TableBody>
+          {logs.slice(-getDesiredSize(), (pageIndex === 0 ? undefined : -(pageSize * pageIndex))).map((log, i) => (
+            <TableRow key={log.trex_timestamp + log.cloud_timestamp} >
+              <TableCell align="center">{log.level}</TableCell>
+              <TableCell align="center">{log.trex_timestamp}</TableCell>
+              <TableCell align="center">{log.cloud_timestamp}</TableCell>
+              <TableCell align="center">{log.line_number}</TableCell>
+              <TableCell align="center" style={{ wordBreak: "break-all" }}>{log.filename}</TableCell>
+              <TableCell align="left" style={{ wordBreak: "break-all" }}>{log.msg}</TableCell>
+            </TableRow>
+          ))}
+        </TableBody>
+        <TableFooter>
+          <TableRow>
+            <TablePagination
+              rowsPerPageOptions={[25, 100, 1000, 10000]}
+              colSpan={6}
+              count={total}
+              rowsPerPage={pageSize}
+              page={!pageIndex || pageIndex <= 0 ? 0 : pageIndex}
+              SelectProps={{
+                inputProps: { "aria-label": "rows per page" },
+                native: true,
+              }}
+              onPageChange={(_, newValue) => setPageIndex(newValue)}
+              onRowsPerPageChange={handleChangePageSize}
+            />
+          </TableRow>
+        </TableFooter>
+      </Table>
+    </div >
+  );
+};
+
+export default TRexLogsTable;