[#646] improve dark color management (#648)

Co-authored-by: Camille Moussu <cmoussu@linagora.com>

__test__/features/Calendars/services/getCalendarsListAsync.test.tsx

@@ -10,6 +10,13 @@ jest.mock("@/features/Calendars/services/helpers");
 jest.mock("@/features/Calendars/CalendarApi");
 jest.mock("@/utils/errorUtils");
 jest.mock("@/features/Calendars/utils/normalizeCalendar");
+jest.mock("@/utils/getAccessiblePair", () => ({
+  getAccessiblePair: jest.fn().mockReturnValue("#FFF"),
+}));
+
+jest.mock("@mui/material/styles", () => ({
+  createTheme: jest.fn().mockReturnValue({}),
+}));
 
 const mockedGetOpenPaasUser = getOpenPaasUser as jest.Mock;
 const mockedFetchOwnerData = fetchOwnerData as jest.Mock;

src/components/Attendees/PeopleSearch.tsx

@@ -1,4 +1,4 @@
-import { getAccessiblePair } from "@/components/Calendar/utils/calendarColorsUtils";
+import { getAccessiblePair } from "@/utils/getAccessiblePair";
 import { stringAvatar } from "@/components/Event/utils/eventUtils";
 import { useUserSearch } from "./useUserSearch";
 import { SnackbarAlert } from "@/components/Loading/SnackBarAlert";

src/components/Attendees/ResourceSearch.tsx

@@ -1,4 +1,4 @@
-import { getAccessiblePair } from "@/components/Calendar/utils/calendarColorsUtils";
+import { getAccessiblePair } from "@/utils/getAccessiblePair";
 import { useUserSearch } from "./useUserSearch";
 import { ResourceIcon } from "./ResourceIcon";
 import { SnackbarAlert } from "@/components/Loading/SnackBarAlert";

src/components/Calendar/Calendar.tsx

@@ -20,7 +20,7 @@ import interactionPlugin from "@fullcalendar/interaction";
 import momentTimezonePlugin from "@fullcalendar/moment-timezone";
 import FullCalendar from "@fullcalendar/react";
 import timeGridPlugin from "@fullcalendar/timegrid";
-import { Box, Button, radius, useTheme } from "@linagora/twake-mui";
+import { Box, Button, radius } from "@linagora/twake-mui";
 import AddIcon from "@mui/icons-material/Add";
 import { MutableRefObject, useEffect, useMemo, useRef, useState } from "react";
 import { useI18n } from "twake-i18n";
@@ -38,7 +38,6 @@ import { useCalendarViewHandlers } from "./hooks/useCalendarViewHandlers";
 import { MiniCalendar } from "./MiniCalendar";
 import { TempCalendarsInput } from "./TempCalendarsInput";
 import { TimezoneSelector } from "./TimezoneSelector";
-import { updateDarkColor } from "./utils/calendarColorsUtils";
 import {
   eventToFullCalendarFormat,
   extractEvents,
@@ -75,7 +74,6 @@ export default function CalendarApp({
   const userId =
     useAppSelector((state) => state.user.userData?.openpaasId) ?? "";
   const dispatch = useAppDispatch();
-  const theme = useTheme();
   const view = useAppSelector((state) => state.settings.view);
   const userData = useAppSelector((state) => state.user.userData);
   const workingDays = useAppSelector(
@@ -103,13 +101,6 @@ export default function CalendarApp({
   const [selectedCalendars, setSelectedCalendars] =
     useState<string[]>(storedCalendars);
 
-  const calendarLightSignature = useMemo(() => {
-    return Object.values(calendars || {})
-      .map((cal) => `${cal.id}:${cal.color?.light ?? ""}`)
-      .sort()
-      .join("|");
-  }, [calendars]);
-
   const calendarIdsString = useMemo(
     () =>
       Object.keys(calendars || {})
@@ -167,22 +158,6 @@ export default function CalendarApp({
     }
   }, [selectedCalendars, calendarIds.length]);
 
-  const prevCalendarLightSignature = useRef<string | null>(null);
-
-  useEffect(() => {
-    if (!calendarLightSignature) {
-      prevCalendarLightSignature.current = calendarLightSignature;
-      return;
-    }
-
-    if (prevCalendarLightSignature.current === calendarLightSignature) {
-      return;
-    }
-
-    prevCalendarLightSignature.current = calendarLightSignature;
-    updateDarkColor(calendars || {}, theme, dispatch);
-  }, [calendarLightSignature, calendars, theme, dispatch]);
-
   useEffect(() => {
     if (calendarIds.length === 0) return;
     const validCalendarIds = new Set(calendarIds);

src/components/Calendar/CalendarColorPicker.tsx

@@ -11,7 +11,7 @@ import {
 import { useState, useEffect } from "react";
 import { HexColorPicker } from "react-colorful";
 import { useI18n } from "twake-i18n";
-import { getAccessiblePair } from "./utils/calendarColorsUtils";
+import { getAccessiblePair } from "@/utils/getAccessiblePair";
 import { defaultColors } from "@/utils/defaultColors";
 
 export function ColorPicker({

src/components/Calendar/CalendarResources.tsx

@@ -16,7 +16,7 @@ import { useRef, useState } from "react";
 import { useI18n } from "twake-i18n";
 import { ResponsiveDialog } from "../Dialog";
 import { ColorPicker } from "./CalendarColorPicker";
-import { getAccessiblePair } from "./utils/calendarColorsUtils";
+import { getAccessiblePair } from "@/utils/getAccessiblePair";
 import { defaultColors } from "@/utils/defaultColors";
 import { addCalendarResourceAsync } from "@/features/Calendars/api/addCalendarResourceAsync";
 import { Resource, ResourceSearch } from "../Attendees/ResourceSearch";

src/components/Calendar/CalendarSearch.tsx

@@ -20,7 +20,7 @@ import { PeopleSearch, User } from "../Attendees/PeopleSearch";
 import { ResponsiveDialog } from "../Dialog";
 import { stringAvatar } from "../Event/utils/eventUtils";
 import { ColorPicker } from "./CalendarColorPicker";
-import { getAccessiblePair } from "./utils/calendarColorsUtils";
+import { getAccessiblePair } from "@/utils/getAccessiblePair";
 import { defaultColors } from "@/utils/defaultColors";
 
 interface CalendarWithOwner {

src/components/Calendar/TempCalendarsInput.tsx

@@ -7,7 +7,7 @@ import { TextField, useTheme } from "@linagora/twake-mui";
 import { useRef } from "react";
 import { useI18n } from "twake-i18n";
 import { PeopleSearch, User } from "../Attendees/PeopleSearch";
-import { getAccessiblePair } from "./utils/calendarColorsUtils";
+import { getAccessiblePair } from "@/utils/getAccessiblePair";
 
 const requestControllers = new Map<string, AbortController>();
 

src/components/Calendar/utils/calendarColorsUtils.tsx

@@ -1,56 +0,0 @@
-import { AppDispatch } from "@/app/store";
-import { updateCalColor } from "@/features/Calendars/CalendarSlice";
-import { Calendar } from "@/features/Calendars/CalendarTypes";
-import { darken, getContrastRatio, lighten, Theme } from "@linagora/twake-mui";
-import { defaultColors } from "@/utils/defaultColors";
-
-export function updateDarkColor(
-  calendars: Record<string, Calendar>,
-  theme: Theme,
-  dispatch: AppDispatch
-) {
-  Object.values(calendars).forEach((cal) => {
-    if (!cal?.color?.light || typeof cal.color.light !== "string") return;
-    const baseColor = cal.color.light;
-
-    const isDefault = Object.values(defaultColors).find(
-      (c) => c.light === baseColor
-    );
-    const darkColor = isDefault
-      ? isDefault.dark
-      : getAccessiblePair(baseColor, theme);
-
-    if (cal.color?.dark === darkColor) {
-      return;
-    }
-
-    dispatch(
-      updateCalColor({
-        id: cal.id,
-        color: { light: baseColor, dark: darkColor },
-      })
-    );
-  });
-}
-
-export function getAccessiblePair(baseColor: string, theme: Theme): string {
-  if (typeof baseColor !== "string") {
-    return theme.palette.getContrastText("#000");
-  }
-
-  const contrastToBlack = getContrastRatio(baseColor, "#000");
-  const contrastToWhite = getContrastRatio(baseColor, "#fff");
-  const isLight = contrastToBlack > contrastToWhite;
-
-  const adjusted = isLight ? darken(baseColor, 0.6) : lighten(baseColor, 0.7);
-
-  // Check if contrast meets 4.5
-  const contrast = getContrastRatio(baseColor, adjusted);
-  if (contrast >= 4.5) return adjusted;
-
-  if (isLight) {
-    return "#ffffffff";
-  }
-
-  return theme.palette.getContrastText(baseColor);
-}

src/features/Calendars/services/getCalendarDetailAsync.ts

@@ -8,7 +8,6 @@ import { createAsyncThunk } from "@reduxjs/toolkit";
 import { getCalendar } from "../CalendarApi";
 import { RejectedError } from "../types/RejectedError";
 import { extractCalendarEvents } from "../utils/extractCalendarEvents";
-import { defaultColors } from "@/utils/defaultColors";
 import { type RootState } from "@/app/store";
 
 export const getCalendarDetailAsync = createAsyncThunk<
@@ -42,16 +41,15 @@ export const getCalendarDetailAsync = createAsyncThunk<
         match,
         signal
       )) as CalendarData;
-
-      const color = calendar["apple:color"]
-        ? { light: calendar["apple:color"], dark: calendar["apple:color"] }
-        : defaultColors[0];
       const syncToken = calendar._embedded?.["sync-token"];
 
       const items = calendar._embedded?.["dav:item"];
       const events: CalendarEvent[] = Array.isArray(items)
         ? items.flatMap((item: CalendarItem) =>
-            extractCalendarEvents(item, { cal: calendarStored, color })
+            extractCalendarEvents(item, {
+              cal: calendarStored,
+              color: calendarStored.color,
+            })
           )
         : [];
 

src/features/Calendars/services/getCalendarsListAsync.ts

@@ -10,6 +10,10 @@ import { CalendarData } from "../types/CalendarData";
 import { RejectedError } from "../types/RejectedError";
 import { normalizeCalendar } from "../utils/normalizeCalendar";
 import { fetchOwnerData } from "./helpers";
+import { createTheme } from "@mui/material/styles";
+import { getAccessiblePair } from "@/utils/getAccessiblePair";
+
+const theme = createTheme();
 
 export const getCalendarsListAsync = createAsyncThunk<
   { importedCalendars: Record<string, Calendar>; errors: string },
@@ -77,10 +81,11 @@ export const getCalendarsListAsync = createAsyncThunk<
           emails: [],
         };
 
-        const color = cal["apple:color"]
+        const rawColor = cal["apple:color"];
+        const color = rawColor
           ? {
-              light: cal["apple:color"],
-              dark: "#fff",
+              light: rawColor,
+              dark: getAccessiblePair(rawColor, theme),
             }
           : defaultColors[0];
 
@@ -126,10 +131,6 @@ export const getCalendarsListAsync = createAsyncThunk<
         if (fetchedCal) {
           importedCalendars[id] = {
             ...fetchedCal,
-            color: {
-              ...existingCal.color,
-              light: fetchedCal.color?.light,
-            },
             events: existingCal.events || {},
           };
         }

src/utils/getAccessiblePair.tsx

@@ -0,0 +1,23 @@
+import { darken, getContrastRatio, lighten, Theme } from "@linagora/twake-mui";
+
+export function getAccessiblePair(baseColor: string, theme: Theme): string {
+  if (typeof baseColor !== "string") {
+    return theme.palette.getContrastText("#000");
+  }
+
+  const contrastToBlack = getContrastRatio(baseColor, "#000");
+  const contrastToWhite = getContrastRatio(baseColor, "#fff");
+  const isLight = contrastToBlack > contrastToWhite;
+
+  const adjusted = isLight ? darken(baseColor, 0.6) : lighten(baseColor, 0.7);
+
+  // Check if contrast meets 4.5
+  const contrast = getContrastRatio(baseColor, adjusted);
+  if (contrast >= 4.5) return adjusted;
+
+  if (isLight) {
+    return "#ffffffff";
+  }
+
+  return theme.palette.getContrastText(baseColor);
+}