Merge remote-tracking branch 'origin/main'

typescript/Frontend/src/Login.tsx

@@ -40,7 +40,6 @@ const Login = ({ setToken, setLanguage }: I_LoginProps) => {
             .then(() => {
               setToken(data.token);
               saveCurrentUser(data.user);
-              console.log(data.user);
               setLoading(false);
               setLanguage(data.user.language);
             })

typescript/Frontend/src/ResetPassword.tsx

@@ -34,7 +34,6 @@ const ResetPassword = () => {
         })
         .then((res) => {
           saveCurrentUser(res.data);
-          console.log(res.data);
           setLoading(false);
         })
         .catch((err) => setError(err));

typescript/Frontend/src/components/Context/LogContextProvider.tsx

@@ -0,0 +1,38 @@
+import { createContext, ReactNode, SetStateAction, useState } from "react";
+import { TreeElement, ToggleElement } from "../Installations/Log/CheckboxTree";
+import React from "react";
+
+interface LogContextProviderProps {
+  toggles: TreeElement[] | null;
+  setToggles: (value: TreeElement[]) => void;
+  checkedToggles: ToggleElement | null;
+  setCheckedToggles: React.Dispatch<SetStateAction<ToggleElement | null>>;
+}
+
+export const LogContext = createContext<LogContextProviderProps>({
+  toggles: [],
+  setToggles: () => {},
+  checkedToggles: {},
+  setCheckedToggles: () => {},
+});
+
+const LogContextProvider = ({ children }: { children: ReactNode }) => {
+  const [toggles, setToggles] = useState<TreeElement[] | null>(null);
+  const [checkedToggles, setCheckedToggles] = useState<ToggleElement | null>(
+    null
+  );
+  return (
+    <LogContext.Provider
+      value={{
+        toggles,
+        setToggles,
+        checkedToggles,
+        setCheckedToggles,
+      }}
+    >
+      {children}
+    </LogContext.Provider>
+  );
+};
+
+export default LogContextProvider;

typescript/Frontend/src/components/Context/UsersContextProvider.tsx

@@ -90,7 +90,6 @@ const UsersContextProvider = ({ children }: { children: ReactNode }) => {
 
   const fetchAvailableUsers = async (): Promise<void> => {
     return axiosConfig.get("/GetAllChildUsers").then((res) => {
-      console.log(res);
       setAvailableUsers(res.data);
     });
   };

typescript/Frontend/src/components/Installations/Installations.tsx

@@ -8,16 +8,20 @@ import InstallationContextProvider from "../Context/InstallationContextProvider"
 import SearchSidebar from "../Layout/Search";
 import InstallationList from "./InstallationList";
 import Installation from "./Installation";
+import CheckboxTree from "./Log/CheckboxTree";
+import LogContextProvider from "../Context/LogContextProvider";
 
 const Installations = () => {
   return (
     <InstallationContextProvider>
+      <LogContextProvider>
         <Grid container spacing={2} height="100%">
           <Grid item xs={3}>
             <SearchSidebar
               id="installations-search-sidebar"
               listComponent={InstallationList}
             />
+            <CheckboxTree />
           </Grid>
           <Grid item xs={9}>
             <InstallationTabs />
@@ -32,6 +36,7 @@ const Installations = () => {
             </Routes>
           </Grid>
         </Grid>
+      </LogContextProvider>
     </InstallationContextProvider>
   );
 };

typescript/Frontend/src/components/Installations/Log/CheckboxTree.tsx

@@ -0,0 +1,109 @@
+import { TreeItem, TreeView } from "@mui/lab";
+import { Checkbox, Divider } from "@mui/material";
+import { useContext, ReactNode } from "react";
+import { LogContext } from "../../Context/LogContextProvider";
+import ExpandMoreIcon from "@mui/icons-material/ExpandMore";
+import ChevronRightIcon from "@mui/icons-material/ChevronRight";
+import useRouteMatch from "../../../hooks/useRouteMatch";
+import routes from "../../../routes.json";
+
+export interface ToggleElement {
+  [key: string]: boolean;
+}
+
+export interface TreeElement {
+  id: string;
+  name: string;
+  children: TreeElement[];
+  checked?: boolean;
+}
+
+const CheckboxTree = () => {
+  const { toggles, setCheckedToggles, checkedToggles } = useContext(LogContext);
+  const routeMatch = useRouteMatch([
+    routes.installations + routes.list + routes.log + ":id",
+  ]);
+
+  const getNodes = (element: TreeElement): null | ReactNode => {
+    return element.children.length > 0 ? renderTree(element.children) : null;
+  };
+
+  const handleCheckChildren = (children: TreeElement[], checked?: boolean) => {
+    if (children.length > 0) {
+      children.forEach((child) => {
+        setCheckedToggles((prevState) => ({
+          ...prevState,
+          [child.id]: !checked,
+        }));
+        if (child.children.length > 0) {
+          handleCheckChildren(child.children, checked);
+        }
+      });
+    }
+  };
+
+  const handleClick = (
+    event: React.MouseEvent<HTMLButtonElement, MouseEvent>,
+    element: TreeElement,
+    checked?: boolean
+  ) => {
+    event.stopPropagation();
+    handleCheckChildren([element], checked);
+  };
+
+  const handleExpandClick = (
+    event: React.MouseEvent<HTMLLIElement, MouseEvent>
+  ) => {
+    event.stopPropagation();
+  };
+  const renderTree = (data: TreeElement[]): ReactNode => {
+    return data.map((element) => {
+      const checked = checkedToggles?.[element.id];
+      const splitName = element.name.split("/");
+      return (
+        <TreeItem
+          id={"checkbox-tree-" + element.name}
+          key={element.name}
+          nodeId={element.name}
+          onClick={handleExpandClick}
+          label={
+            <>
+              <Checkbox
+                checked={checked}
+                onClick={(e) => handleClick(e, element, checked)}
+              />
+              {splitName[splitName.length - 1]}
+            </>
+          }
+          sx={{
+            ".MuiTreeItem-content": { paddingY: "5px" },
+          }}
+        >
+          {getNodes(element)}
+        </TreeItem>
+      );
+    });
+  };
+  return (
+    <>
+      <Divider sx={{ mt: 2 }} />
+      {toggles !== null && routeMatch !== null && (
+        <TreeView
+          aria-label="rich object"
+          defaultCollapseIcon={<ExpandMoreIcon />}
+          defaultExpandIcon={<ChevronRightIcon />}
+          sx={{
+            height: 480,
+            flexGrow: 1,
+            overflow: "auto",
+            overflowX: "hidden",
+          }}
+        >
+          {renderTree(toggles)}
+        </TreeView>
+      )}
+    </>
+  );
+};
+
+export default CheckboxTree;

typescript/Frontend/src/components/Installations/Log/Log.tsx

@@ -1,65 +1,10 @@
-import React, { useState } from "react";
+import React from "react";
 import ScalarGraph from "./ScalarGraph";
-import DataCache, { FetchResult } from "../../../dataCache/dataCache";
-import { TimeSpan, UnixTime } from "../../../dataCache/time";
-import { S3Access } from "../../../dataCache/S3/S3Access";
-import { map, debounceTime } from "rxjs/operators";
-import { RecordSeries } from "../../../dataCache/data";
-import { parseCsv } from "../../../util/graph.util";
 
 const Log = () => {
-  const [timeSeries, setTimeSeries] = useState<RecordSeries>([]);
-  const s3Access = new S3Access(
-    "saliomameiringen",
-    "sos-ch-dk-2",
-    "exo.io",
-    "EXO18e7ae9e53fae71ee55cf35b",
-    "3Cyonq8gMQ0a3elTH2vP7Yv-czcCj8iE2lBcPB9XhSc",
-    ""
-  );
-
-  const fetchData = (
-    timestamp: UnixTime
-  ): Promise<FetchResult<Record<string, number>>> => {
-    const s3Path = `${timestamp.ticks}.csv`;
-    return s3Access
-      .get(s3Path)
-      .then(async (r) => {
-        if (r.status === 404) {
-          return Promise.resolve(FetchResult.notAvailable);
-        } else if (r.status === 200) {
-          const text = await r.text();
-          return parseCsv(text);
-        } else {
-          console.error("unexpected status code");
-          return Promise.resolve(FetchResult.notAvailable);
-        }
-      })
-      .catch((e) => {
-        console.log(e);
-        return Promise.resolve(FetchResult.tryLater);
-      });
-  };
-
-  const cache = new DataCache(fetchData, TimeSpan.fromSeconds(2));
-
-  const sampleTimes = UnixTime.fromTicks(1682085650)
-    .earlier(TimeSpan.fromMinutes(1))
-    .rangeBefore(TimeSpan.fromMinutes(1))
-    .sample(TimeSpan.fromSeconds(2));
-
-  cache.getSeries(sampleTimes);
-
-  const update = cache.gotData.pipe(
-    debounceTime(2000),
-    map((_) => setTimeSeries(cache.getSeries(sampleTimes)))
-  );
-
-  update.subscribe();
-
   return (
     <>
-      <ScalarGraph data={timeSeries} />
+      <ScalarGraph />
     </>
   );
 };

typescript/Frontend/src/components/Installations/Log/ScalarGraph.tsx

@@ -1,26 +1,243 @@
 import Plot from "react-plotly.js";
 import { RecordSeries } from "../../../dataCache/data";
-import { transformToGraphData } from "../../../util/graph.util";
+import {
+  GraphCoordinates,
+  GraphData,
+  mergeDeep,
+  parseCsv,
+} from "../../../util/graph.util";
+import { TimeRange, TimeSpan, UnixTime } from "../../../dataCache/time";
+import { useContext, useEffect, useMemo, useState } from "react";
+import { BehaviorSubject, startWith, throttleTime, withLatestFrom } from "rxjs";
+import { S3Access } from "../../../dataCache/S3/S3Access";
+import DataCache, { FetchResult } from "../../../dataCache/dataCache";
 
-interface I_ScalarGraphProps {
+import { LogContext } from "../../Context/LogContextProvider";
-  data: RecordSeries;
+import { TreeElement, ToggleElement } from "./CheckboxTree";
-}
+import { isDefined } from "../../../dataCache/utils/maybe";
+import { timeStamp } from "console";
+
+export const createTimes = (
+  range: TimeRange,
+  numberOfNodes: number
+): UnixTime[] => {
+  const oneSpan = range.duration.divide(numberOfNodes);
+  const roundedRange = TimeRange.fromTimes(
+    range.start.round(oneSpan),
+    range.end.round(oneSpan)
+  );
+  return roundedRange.sample(oneSpan);
+};
+
+const NUMBER_OF_NODES = 100;
+
+const ScalarGraph = () => {
+  const timeRange = createTimes(
+    UnixTime.now() /* .fromTicks(1682085650) */
+      .rangeBefore(TimeSpan.fromDays(4)),
+    NUMBER_OF_NODES
+  );
+  const [timeSeries, setTimeSeries] = useState<RecordSeries>([]);
+  const [range, setRange] = useState([
+    timeRange[0].toDate().getTime(),
+    timeRange[timeRange.length - 1].toDate().getTime(),
+  ]);
+  const [uiRevision, setUiRevision] = useState(Math.random());
+  const [plotTitles, setPlotTitles] = useState<string[]>([]);
+
+  const { toggles, setToggles, setCheckedToggles, checkedToggles } =
+    useContext(LogContext);
+
+  const times$ = useMemo(() => new BehaviorSubject(timeRange), []);
+
+  const s3Access = new S3Access(
+    "saliomameiringen",
+    "sos-ch-dk-2",
+    "exo.io",
+    "EXO18e7ae9e53fae71ee55cf35b",
+    "3Cyonq8gMQ0a3elTH2vP7Yv-czcCj8iE2lBcPB9XhSc",
+    ""
+  );
+
+  const insert = (
+    children: TreeElement[] = [],
+    [head, ...tail]: string[]
+  ): TreeElement[] => {
+    let child = children.find((child) => child.name === head);
+
+    if (!child) {
+      children.push(
+        (child = {
+          id: head,
+          name: head,
+          children: [],
+        })
+      );
+    }
+    if (tail.length > 0) {
+      insert(child.children, tail);
+    }
+    return children;
+  };
+
+  const flattenToggles = (toggles: TreeElement[]): ToggleElement => {
+    return toggles.reduce((acc, current) => {
+      if (current.children.length > 0) {
+        acc[current.id] = false;
+        return { ...acc, ...flattenToggles(current.children) };
+      }
+      acc[current.id] = false;
+      return acc;
+    }, {} as ToggleElement);
+  };
+
+  useEffect(() => {
+    const subscription = cache.gotData
+      .pipe(
+        startWith(0),
+        throttleTime(200, undefined, { leading: true, trailing: true }),
+        withLatestFrom(times$)
+      )
+      .subscribe(([_, times]) => {
+        const timeSeries = cache.getSeries(times);
+        setTimeSeries(timeSeries);
+        const toggleValues = timeSeries.find((timeStamp) => timeStamp.value);
+        if (toggles === null && toggleValues && toggleValues.value) {
+          const treeElements = Object.keys(toggleValues.value)
+            .map((path) => {
+              return path
+                .split("/")
+                .map(
+                  (split, i) =>
+                    "/" +
+                    path
+                      .split("/")
+                      .slice(1, i + 1)
+                      .join("/")
+                )
+                .slice(1);
+            })
+            .reduce(
+              (children, path) => insert(children, path),
+              [] as TreeElement[]
+            );
+          setToggles(treeElements);
+          setCheckedToggles(flattenToggles(treeElements));
+        }
+      });
+
+    return () => subscription.unsubscribe();
+  }, [toggles]);
+
+  const fetchData = (
+    timestamp: UnixTime
+  ): Promise<FetchResult<Record<string, number>>> => {
+    const s3Path = `${timestamp.ticks}.csv`;
+    return s3Access
+      .get(s3Path)
+      .then(async (r) => {
+        if (r.status === 404) {
+          return Promise.resolve(FetchResult.notAvailable);
+        } else if (r.status === 200) {
+          const text = await r.text();
+          return parseCsv(text);
+        } else {
+          console.error("unexpected status code");
+          return Promise.resolve(FetchResult.notAvailable);
+        }
+      })
+      .catch((e) => {
+        return Promise.resolve(FetchResult.tryLater);
+      });
+  };
+
+  const cache = useMemo(
+    () => new DataCache(fetchData, TimeSpan.fromSeconds(2)),
+    []
+  );
+
+  const transformToGraphData = (timeStampData: RecordSeries) => {
+    const graphData = timeStampData.reduce((acc, curr) => {
+      if (isDefined(curr.value)) {
+        const timeStampObj = Object.keys(curr.value).reduce(
+          (pathAcc, currPath) => {
+            if (currPath) {
+              return {
+                ...pathAcc,
+                [currPath]: {
+                  x: [new Date(curr.time.ticks * 1000)],
+                  y: [curr.value ? curr.value[currPath] : 0],
+                },
+              };
+            }
+            return pathAcc;
+          },
+          {} as GraphData
+        );
+        if (plotTitles.length === 0) {
+          setPlotTitles(Object.keys(curr.value));
+        }
+        return mergeDeep(acc, timeStampObj);
+      }
+      return acc;
+    }, {} as GraphData);
+
+    if (Object.keys(graphData).length > 0) {
+      return graphData;
+    }
+    return plotTitles.reduce(
+      (acc, curr) => ({
+        ...acc,
+        [curr]: {
+          x: [],
+          y: [],
+        },
+      }),
+      {} as GraphData
+    );
+  };
 
-const ScalarGraph = (props: I_ScalarGraphProps) => {
   const renderGraphs = () => {
-    const coordinateTimeSeries = transformToGraphData(props.data);
+    const coordinateTimeSeries = transformToGraphData(timeSeries);
-    return Object.keys(coordinateTimeSeries).map((path) => {
+    console.log("coordinates", coordinateTimeSeries);
+    const graphCoordinates: GraphCoordinates[] = Object.keys(
+      coordinateTimeSeries
+    )
+      .filter((path) => {
+        return checkedToggles?.[path];
+      })
+      .map((path, i) => {
+        return {
+          ...coordinateTimeSeries[path],
+          xaxis: "x",
+          yaxis: i === 0 ? "y" : "y" + (i + 1),
+          type: "scatter",
+        };
+      });
+    if (checkedToggles && graphCoordinates.length > 0) {
+      const subplots = graphCoordinates.map((coordinate) => [
+        (coordinate?.xaxis || "") + (coordinate.yaxis || ""),
+      ]);
       return (
         <Plot
-          data={[
+          data={graphCoordinates}
-            {
+          layout={{
-              ...coordinateTimeSeries[path],
+            title: "Graphs",
-              type: "scatter",
+            uirevision: uiRevision,
-              mode: "lines+markers",
+            showlegend: false,
-              marker: { color: "red" },
+            xaxis: {
+              autorange: false,
+              range: range,
+              type: "date",
+              showticklabels: true,
             },
-          ]}
+            grid: {
-          layout={{ width: 1000, height: 500, title: path }}
+              subplots: subplots as any,
+              xside: "top",
+              ygap: 0.1,
+            },
+            height: graphCoordinates.length * 300,
+          }}
           config={{
             modeBarButtonsToRemove: [
               "lasso2d",
@@ -29,14 +246,32 @@ const ScalarGraph = (props: I_ScalarGraphProps) => {
               "autoScale2d",
             ],
           }}
-          onUpdate={(figure) => {
+          onRelayout={(params) => {
-            //console.log(figure);
+            const xaxisRange0 = params["xaxis.range[0]"];
+            const xaxisRange1 = params["xaxis.range[1]"];
+
+            if (xaxisRange0 && xaxisRange1) {
+              setRange([
+                new Date(xaxisRange0).getTime(),
+                new Date(xaxisRange1).getTime(),
+              ]);
+              setUiRevision(Math.random());
+              const times = createTimes(
+                TimeRange.fromTimes(
+                  UnixTime.fromDate(new Date(xaxisRange0)),
+                  UnixTime.fromDate(new Date(xaxisRange1))
+                ),
+                NUMBER_OF_NODES
+              );
+              console.log("times", times);
+              cache.getSeries(times);
+              times$.next(times);
+            }
           }}
         />
       );
-    });
+    }
   };
-
   return <>{renderGraphs()}</>;
 };
 export default ScalarGraph;

typescript/Frontend/src/components/Layout/Search.tsx

@@ -12,7 +12,7 @@ const SearchSidebar = (props: SearchSidebarProps) => {
   const intl = useIntl();
 
   return (
-    <div style={{ height: "100%" }}>
+    <div style={{ height: "500px", overflow: "hidden" }}>
       <TextField
         id={id}
         label={intl.formatMessage({

typescript/Frontend/src/dataCache/data.ts

@@ -2,12 +2,12 @@ import { Maybe } from "yup";
 import {Timestamped} from "./types";
 import { isDefined } from "./utils/maybe";
 
-export type DataRecord = Record<string, number>
+export type DataRecord = Record<string, number | string>
 
 export type DataPoint    = Timestamped<Maybe<DataRecord>>
 export type RecordSeries = Array<DataPoint>
-export type PointSeries  = Array<Timestamped<Maybe<number>>>
+export type PointSeries  = Array<Timestamped<Maybe<number| string>>>
-export type DataSeries   = Array<Maybe<number>>
+export type DataSeries   = Array<Maybe<number| string>>
 
 export function getPoints(recordSeries: RecordSeries, series: keyof DataRecord): PointSeries
 {

typescript/Frontend/src/dataCache/dataCache.ts

@@ -1,169 +1,158 @@
 /* eslint-disable no-mixed-operators */
-import {TimeSpan, UnixTime} from "./time";
+import { TimeSpan, UnixTime } from "./time";
-import {Observable, Subject} from "rxjs";
+import { Observable, Subject } from "rxjs";
-import {SkipList} from "./skipList/skipList";
+import { SkipList } from "./skipList/skipList";
-import {createDispatchQueue} from "./promiseQueue";
+import { createDispatchQueue } from "./promiseQueue";
-import {SkipListNode} from "./skipList/skipListNode";
+import { SkipListNode } from "./skipList/skipListNode";
-import {RecordSeries} from "./data";
+import { RecordSeries } from "./data";
 import { Maybe, isUndefined } from "./utils/maybe";
+import { isNumber, isString } from "./utils/runtimeTypeChecking";
 
-
+export const FetchResult = {
-export const FetchResult =
+  notAvailable: "N/A",
-{
+  tryLater: "Try Later",
-    notAvailable : "N/A",
+} as const;
-    tryLater : "Try Later"
-} as const
 
 export type FetchResult<T> =
   | T
   | typeof FetchResult.notAvailable
-    | typeof FetchResult.tryLater
+  | typeof FetchResult.tryLater;
 
-function reverseBits(x : number): number
+function reverseBits(x: number): number {
-{
   // https://stackoverflow.com/a/60227327/141397
 
-    x = (x & 0x55555555)  <<   1 | (x & 0xAAAAAAAA) >>  1;
+  x = ((x & 0x55555555) << 1) | ((x & 0xaaaaaaaa) >> 1);
-    x = (x & 0x33333333)  <<   2 | (x & 0xCCCCCCCC) >>  2;
+  x = ((x & 0x33333333) << 2) | ((x & 0xcccccccc) >> 2);
-    x = (x & 0x0F0F0F0F)  <<   4 | (x & 0xF0F0F0F0) >>  4;
+  x = ((x & 0x0f0f0f0f) << 4) | ((x & 0xf0f0f0f0) >> 4);
-    x = (x & 0x00FF00FF)  <<   8 | (x & 0xFF00FF00) >>  8;
+  x = ((x & 0x00ff00ff) << 8) | ((x & 0xff00ff00) >> 8);
-    x = (x & 0x0000FFFF)  <<  16 | (x & 0xFFFF0000) >> 16;
+  x = ((x & 0x0000ffff) << 16) | ((x & 0xffff0000) >> 16);
 
   return x >>> 0;
 }
 
-
+export default class DataCache<T extends Record<string, number>> {
-export default class DataCache<T extends Record<string, number>>
+  private readonly cache: SkipList<Maybe<T>> = new SkipList<Maybe<T>>();
-{
-    private readonly cache: SkipList<Maybe<T>> =  new SkipList<Maybe<T>>()
   private readonly resolution: TimeSpan;
 
   readonly _fetch: (t: UnixTime) => Promise<FetchResult<T>>;
 
-    private readonly fetchQueue = createDispatchQueue(6)
+  private readonly fetchQueue = createDispatchQueue(6);
-    private readonly fetching: Set<number> = new Set<number>()
+  private readonly fetching: Set<number> = new Set<number>();
 
   public readonly gotData: Observable<UnixTime>;
 
-    constructor(fetch: (t: UnixTime) => Promise<FetchResult<T>>, resolution: TimeSpan)
+  constructor(
-    {
+    fetch: (t: UnixTime) => Promise<FetchResult<T>>,
+    resolution: TimeSpan
+  ) {
     this._fetch = fetch;
     this.resolution = resolution;
-        this.gotData = new Subject<UnixTime>()
+    this.gotData = new Subject<UnixTime>();
   }
 
-    public prefetch(times: Array<UnixTime>, clear = true)
+  public prefetch(times: Array<UnixTime>, clear = true) {
-    {
+    if (clear) {
-        if (clear)
+      this.fetching.clear();
-        {
+      this.fetchQueue.clear();
-            this.fetching.clear()
-            this.fetchQueue.clear()
     }
 
-        const timesWithPriority = times.map((time, index) => ({time, priority: reverseBits(index)}))
+    const timesWithPriority = times.map((time, index) => ({
-        timesWithPriority.sort((x, y) => x.priority - y.priority)
+      time,
+      priority: reverseBits(index),
+    }));
+    timesWithPriority.sort((x, y) => x.priority - y.priority);
 
-        for (let i = 0; i < timesWithPriority.length; i++)
+    for (let i = 0; i < timesWithPriority.length; i++) {
-        {
+      const time = timesWithPriority[i].time.round(this.resolution);
-            const time = timesWithPriority[i].time.round(this.resolution)
       const t = time.ticks;
 
       const node = this.cache.find(t);
-            if (node.index !== t)
+      if (node.index !== t) this.fetchData(time);
-                this.fetchData(time);
     }
   }
 
-    public get(timeStamp: UnixTime, fetch = true): Maybe<T>
+  public get(timeStamp: UnixTime, fetch = true): Maybe<T> {
-    {
+    const time = timeStamp.round(this.resolution);
-        const time = timeStamp.round(this.resolution)
     const t = time.ticks;
 
     const node = this.cache.find(t);
-        if (node.index === t)
+    if (node.index === t) return node.value;
-            return node.value
 
-        if (fetch)
+    if (fetch) this.fetchData(time);
-            this.fetchData(time);
 
-        return this.interpolate(node, t)
+    return this.interpolate(node, t);
   }
 
-    public getSeries(sampleTimes: UnixTime[]): RecordSeries
+  public getSeries(sampleTimes: UnixTime[]): RecordSeries {
-    {
+    this.prefetch(sampleTimes);
-        this.prefetch(sampleTimes)
+    return sampleTimes.map((time) => ({ time, value: this.get(time, false) }));
-        return sampleTimes.map(time => ({time, value: this.get(time, false)}))
   }
 
-    private interpolate(before: SkipListNode<Maybe<T>>, t: number): Maybe<T>
+  private interpolate(before: SkipListNode<Maybe<T>>, t: number): Maybe<T> {
-    {
+    const dataBefore = before.value;
-        const dataBefore = before.value
     const after = before.next[0];
-        const dataAfter = after.value
+    const dataAfter = after.value;
 
-        if (isUndefined(dataBefore) && isUndefined(dataAfter))
+    if (isUndefined(dataBefore) && isUndefined(dataAfter)) return undefined;
-            return undefined
 
-        if (isUndefined(dataBefore))
+    if (isUndefined(dataBefore)) return dataAfter;
-            return dataAfter
 
-        if (isUndefined(dataAfter))
+    if (isUndefined(dataAfter)) return dataBefore;
-            return dataBefore
 
-        const p = t - before.index
+    const p = t - before.index;
-        const n = after.index - t
+    const n = after.index - t;
-        const pn = p + n
+    const pn = p + n;
 
-        let interpolated: Partial<Record<string, number>> = {}
+    let interpolated: Partial<Record<string, number>> = {};
 
     //What about string nodes? like Alarms
-        for (const k of Object.keys(dataBefore))
+    for (const k of Object.keys(dataBefore)) {
-        {
+      interpolated[k] = isNumber(dataBefore[k])
-            interpolated[k] = (dataBefore[k] * n + dataAfter[k] * p) / pn
+        ? (dataBefore[k] * n + dataAfter[k] * p) / pn
+        : n < p
+        ? dataAfter[k]
+        : dataBefore[k];
     }
 
-        return interpolated as T
+    return interpolated as T;
   }
 
-    private fetchData(time: UnixTime)
+  private fetchData(time: UnixTime) {
-    {
     const t = time.ticks;
 
-        if (this.fetching.has(t))  // we are already fetching t
+    if (this.fetching.has(t))
-            return
+      // we are already fetching t
+      return;
 
-        const fetchTask = () =>
+    const fetchTask = () => {
-        {
+      const onSuccess = (data: FetchResult<T>) => {
-            const onSuccess = (data: FetchResult<T>) =>
+        if (data === FetchResult.tryLater) {
-            {
+          console.warn(FetchResult.tryLater);
-                if (data === FetchResult.tryLater)
+          return;
-                {
-                    console.warn(FetchResult.tryLater)
-                    return
         }
 
         const value = data === FetchResult.notAvailable ? undefined : data;
-                this.cache.insert(value, t)
+        this.cache.insert(value, t);
-            }
-
-            const onFailure = (_: unknown) =>
-            {
-                console.error(time.ticks + " FAILED!")   // should not happen
-            }
-
-            const dispatch = () =>
-            {
-                this.fetching.delete(time.ticks);
-                (this.gotData as Subject<UnixTime>).next(time);
-            }
-
-            return this._fetch(time)
-                       .then(d => onSuccess(d), f => onFailure(f))
-                       .finally(() => dispatch())
       };
 
-        this.fetching.add(t)
+      const onFailure = (_: unknown) => {
+        console.error(time.ticks + " FAILED!"); // should not happen
+      };
+
+      const dispatch = () => {
+        this.fetching.delete(time.ticks);
+        (this.gotData as Subject<UnixTime>).next(time);
+      };
+
+      return this._fetch(time)
+        .then(
+          (d) => onSuccess(d),
+          (f) => onFailure(f)
+        )
+        .finally(() => dispatch());
+    };
+
+    this.fetching.add(t);
     this.fetchQueue.dispatch(() => fetchTask());
   }
-
 }

typescript/Frontend/src/util/graph.util.tsx

@@ -1,6 +1,4 @@
 import { Datum, TypedArray } from "plotly.js";
-import { RecordSeries } from "../dataCache/data";
-import { isDefined } from "../dataCache/utils/maybe";
 
 export const mergeDeep = (...objects: any[]) => {
   const isObject = (obj: GraphCoordinates) => obj && typeof obj === "object";
@@ -22,33 +20,11 @@ export const mergeDeep = (...objects: any[]) => {
   }, {} as GraphData);
 };
 
-export const transformToGraphData = (timeStampData: RecordSeries) => {
-  return timeStampData.reduce((acc, curr) => {
-    if (isDefined(curr.value)) {
-      const timeStampObj = Object.keys(curr.value).reduce(
-        (pathAcc, currPath) => {
-          if (currPath) {
-            return {
-              ...pathAcc,
-              [currPath]: {
-                x: [curr.time.ticks],
-                y: [curr.value ? curr.value[currPath] : 0],
-              },
-            };
-          }
-          return pathAcc;
-        },
-        {} as GraphData
-      );
-      return mergeDeep(acc, timeStampObj);
-    }
-    return acc;
-  }, {} as GraphData);
-};
-
 export interface GraphCoordinates {
   x: Datum[] | Datum[][] | TypedArray;
   y: Datum[] | Datum[][] | TypedArray;
+  xaxis?: string;
+  yaxis?: string;
 }
 
 export interface GraphData {
@@ -58,11 +34,26 @@ export interface GraphData {
 export const parseCsv = (text: string) => {
   const y = text
     .split(/\r?\n/)
-    .map((l) => l.split(";"))
+    .filter((split) => split.length > 0)
-    .filter((fields) => !isNaN(parseFloat(fields[1])));
+    .map((l) => {
+      if (l.length === 0) {
+        console.log("splitting", l, l.split(";"));
+      }
+      return l.split(";");
+    });
+  console.log("text", y);
 
+  /*  .filter((fields) => !isNaN(parseFloat(fields[1])));
+   */
   const x = y
-    .map((fields) => ({ [fields[0]]: parseFloat(fields[1]) }))
+    .map((fields) => {
-    .reduce((acc, current) => ({ ...acc, ...current }), {});
+      if (typeof fields[1] === "string") {
+        console.log("if inside", fields, { [fields[0]]: fields[1] });
+        return { [fields[0]]: fields[1] };
+      }
+      console.log("if outside", fields, { [fields[0]]: parseFloat(fields[1]) });
+      return { [fields[0]]: parseFloat(fields[1]) };
+    })
+    .reduce((acc, current) => ({ ...acc, ...current }), {} as any);
   return x;
 };