Rename SlotTime to TimeSlot

package.json

@@ -11,6 +11,7 @@
   },
   "dependencies": {
     "@fortawesome/fontawesome-free": "^6.6.0",
+    "date-fns": "^4.1.0",
     "prop-types": "^15.8.1",
     "react": "^18.3.1",
     "react-dom": "^18.3.1",

src/Schedule/Cell/DateHeader.jsx

@@ -0,0 +1,19 @@
+import PropTypes from 'prop-types';
+import { bg, enGB } from 'date-fns/locale';
+import { format } from 'date-fns';
+
+export default function DateHeader({
+    date,
+    lang,
+}) {
+    const locale = lang === 'bg' ? bg : enGB;
+
+    return format(date, 'dd MMMM - EEEE', {
+        locale,
+    });
+}
+
+DateHeader.propTypes = {
+    date: PropTypes.object.isRequired,
+    lang: PropTypes.string,
+};

src/Schedule/Cell/Event.jsx

@@ -1,6 +1,6 @@
-import { isTrackHidden } from './utils.js';
-import Speaker from './Speaker.jsx';
-import FeedbackLink from './FeedbackLink.jsx';
+import { isTrackHidden } from '../utils.js';
+import Speaker from '../Speaker.jsx';
+import FeedbackLink from '../FeedbackLink.jsx';
 
 export default function Event(event) {
     return (<>

src/Schedule/Cell/TimeSlot.jsx

@@ -0,0 +1,8 @@
+import { format } from 'date-fns';
+
+export default function TimeSlot({
+    start,
+    end,
+}) {
+    return format(start, 'HH:mm').concat(' - ').concat(format(end, 'HH:mm'));
+}

src/Schedule/Day.jsx

@@ -1,12 +0,0 @@
-import PropTypes from 'prop-types';
-
-export default function Day({
-    date,
-}) {
-    // TODO: format with date-fns
-    return date.getDate().toString().concat('.').concat((date.getMonth() + 1).toString()).concat(' - ').concat(date.getDay());
-}
-
-Day.propTypes = {
-    date: PropTypes.object.isRequired,
-};

src/Schedule/Schedule.jsx

@@ -3,12 +3,13 @@ import useSchedule from '../hooks/useSchedule.js';
 import { isTrackHidden } from './utils.js';
 import { Fragment, useState } from 'react';
 import useScheduleTable from '../hooks/useScheduleTable.js';
-import Event from './Event.jsx';
+import Event from './Cell/Event.jsx';
 import './Schedule.scss';
 import { langs } from './constants.js';
 import Speaker from './Speaker.jsx';
 import FeedbackLink from './FeedbackLink.jsx';
-import Day from './Day.jsx';
+import DateHeader from './Cell/DateHeader.jsx';
+import TimeSlot from './Cell/TimeSlot.jsx';
 
 export default function Schedule({
     conferenceId,
@@ -56,7 +57,8 @@ export default function Schedule({
                 <tbody>
                     {rows.map(row => <tr key={row.id}>
                         {row.cells.map(cell => <td key={cell.id} {...cell.attributes}>
-                            {cell.day && <Day date={cell.day} />}
+                            {cell.dateHeader && <DateHeader date={cell.dateHeader} lang={lang} />}
+                            {cell.timeSlot && <TimeSlot {...cell.timeSlot} />}
                             {cell.event && <Event {...cell.event} />}
                         </td>)}
                     </tr>)}

src/hooks/useScheduleTable.js

@@ -1,6 +1,7 @@
 import { useMemo } from 'react';
-import { getMidnightTimestamp, isSameDay, sorter } from '../utils.js';
+import { sorter, toMidnight } from '../utils.js';
 import { langs } from '../Schedule/constants.js';
+import { getTime, isSameDay, toDate } from 'date-fns';
 
 export default function useScheduleTable({
     eventTypeId,
@@ -12,9 +13,11 @@ export default function useScheduleTable({
         const filteredEvents = events.filter(event => eventTypeId > 0 ? event.event_type_id === eventTypeId : true);
         const filteredEventIds = filteredEvents.map(event => event.id);
         const filteredSlots = slots.sort(sorter('starts_at')).filter(slot => filteredEventIds.includes(slot.event_id));
-        const days = Array.from(new Set(filteredSlots.map(slot =>
-            getMidnightTimestamp(slot.starts_at)
-        ))).map(ts => new Date(ts));
+        const days = Array.from(new Set(filteredSlots.map(slot => getTime(toMidnight(slot))))).map(ts => toDate(ts));
+        const microslots = Array.from(new Set(filteredSlots.flatMap(slot => [
+            getTime(slot.starts_at),
+            getTime(slot.ends_at),
+        ]))).sort().map(ts => toDate(ts));
         const filteredHallIds = new Set(filteredSlots.map(slot => slot.hall_id));
         const filteredHalls = halls.filter(hall => filteredHallIds.has(hall.id));
         const hallSlots = Object.fromEntries(filteredHalls.map(hall => [
@@ -31,31 +34,47 @@ export default function useScheduleTable({
             },
             ...filteredHalls,
         ];
-        const rows = days.flatMap(day => [{
-            id: 'header-'.concat(day.getTime().toString()),
+
+        const rows = microslots.flatMap((date, index, array) => {
+            const isFirst = index === 0;
+            const isLast = index === array.length - 1;
+            const nextDate = !isLast ? array[index + 1] : null;
+            const isFirstForTheDay = index > 0 && !isSameDay(date, array[index - 1]);
+            const isLastForTheDay = array?.[index + 1] && !isSameDay(date, array[index + 1]);
+
+            const showHeader = isFirst || isFirstForTheDay;
+            const showSlot = !isLast && !isLastForTheDay;
+
+            return [
+                ...showHeader ? [{
+                    id: 'header-'.concat(getTime(date).toString()),
                     cells: [{
                         id: 1,
                         attributes: {
                             colSpan: header.length,
                         },
-                day,
-            }]
-        },
-            ...filteredSlots.filter(slot => isSameDay(slot.starts_at, day)).map(slot => ({
-                id: slot.id,
+                        dateHeader: date,
+                    }],
+                }] : [],
+                ...showSlot ? [{
+                    id: 'slot-'.concat(getTime(date).toString()),
                     cells: [{
                         id: 1,
-                    day, // TODO replace with slot time
+                        timeSlot: {
+                            start: date,
+                            end: nextDate,
+                        }
                     }, {
                         id: 2,
-                    attributes: {
-                        className: 'schedule-'.concat(slot.event.language).concat(' ').concat(slot.event.track?.css_class),
-                        colSpan: 2,
-                    },
-                    event: slot.event,
+                        // attributes: {
+                        //     className: 'schedule-'.concat(slot.event.language).concat(' ').concat(slot.event.track?.css_class),
+                        //     colSpan: 2,
+                        // },
+                        // event: slot.event,
                     }],
-            }))
-        ]);
+                }] : [],
+            ];
+        });
 
         return {
             header,

src/utils.js

@@ -1,3 +1,5 @@
+import { parseJSON, set } from 'date-fns';
+
 export const sorter = field => (a, b) => {
     const fieldA = a[field];
     const fieldB = b[field];
@@ -8,7 +10,7 @@ export const sorter = field => (a, b) => {
 };
 
 export const parseDateFields = (item, dateFields) => Object.fromEntries(Object.entries(item).map(([key, value]) =>
-    [key, dateFields.includes(key) ? new Date(value) : value]
+    [key, dateFields.includes(key) ? parseJSON(value) : value]
 ));
 
 export function calculateProgress(...elements) {
@@ -62,8 +64,9 @@ export const normalizeResponse = (items = [], relations = []) =>
         })
     );
 
-export const getMidnightTimestamp = date => (new Date(date.getTime())).setHours(0, 0, 0, 0);
-
-export function isSameDay(dateA, dateB) {
-    return getMidnightTimestamp(dateA) === getMidnightTimestamp(dateB);
-}
+export const toMidnight = date => set(date, {
+    hours: 0,
+    minutes: 0,
+    seconds: 0,
+    milliseconds: 0,
+});

yarn.lock

@@ -850,6 +850,11 @@ data-view-byte-offset@^1.0.0:
     es-errors "^1.3.0"
     is-data-view "^1.0.1"
 
+date-fns@^4.1.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/date-fns/-/date-fns-4.1.0.tgz#64b3d83fff5aa80438f5b1a633c2e83b8a1c2d14"
+  integrity sha512-Ukq0owbQXxa/U3EGtsdVBkR1w7KOQ5gIBqdH2hkvknzZPYvBxb/aa6E8L7tmjFtkwZBu3UXBbjIgPo/Ez4xaNg==
+
 debug@^4.1.0, debug@^4.3.1, debug@^4.3.2:
   version "4.3.7"
   resolved "https://registry.yarnpkg.com/debug/-/debug-4.3.7.tgz#87945b4151a011d76d95a198d7111c865c360a52"