refactor: refactor endpoint to serve refreshed merge calendars

calendar/test.ics

@@ -0,0 +1,46 @@
+BEGIN:VCALENDAR
+VERSION:2.0
+PRODID:-//sebbo.net//ical-generator//EN
+NAME:test
+X-WR-CALNAME:test
+BEGIN:VEVENT
+UID:881z@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T111355Z
+DTSTART:20240930T113000Z
+DTEND:20240930T123000Z
+SUMMARY:work other work
+END:VEVENT
+BEGIN:VEVENT
+UID:lhyi@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T111355Z
+DTSTART:20241003T190000Z
+DTEND:20241003T200000Z
+SUMMARY:work progodessey
+END:VEVENT
+BEGIN:VEVENT
+UID:5l54@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T111355Z
+DTSTART:20241009T173000Z
+DTEND:20241009T183000Z
+SUMMARY:work do
+END:VEVENT
+BEGIN:VEVENT
+UID:cp96@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T111355Z
+DTSTART:20241001T183000Z
+DTEND:20241001T193000Z
+SUMMARY:Other work calmerge
+END:VEVENT
+BEGIN:VEVENT
+UID:jxsj@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T111355Z
+DTSTART:20241010T173000Z
+DTEND:20241010T183000Z
+SUMMARY:Other work to do
+END:VEVENT
+END:VCALENDAR

calendar/test.json

@@ -0,0 +1,15 @@
+{
+  "linkGroupName": "test",
+  "calendars": [
+    {
+      "prefix": "work",
+      "override": false,
+      "url": "https://calendar.google.com/calendar/ical/b4c66eb4bb2cc15257d071bab3f935385778b042112ea1aaedada47f3f1a6e3a%40group.calendar.google.com/public/basic.ics"
+    },
+    {
+      "prefix": "Other work",
+      "override": false,
+      "url": "https://calendar.google.com/calendar/ical/774518759e4e2dd42aab0c511b02397bb216f3b67dc425d76bae07d1eff529d6%40group.calendar.google.com/public/basic.ics"
+    }
+  ]
+}

server.js

@@ -8,116 +8,95 @@ import icalGenerator from 'ical-generator';
 const app = express();
 app.use(express.json());
 
-// Determine the merged calendars directory based on the environment
 const MERGED_CALENDARS_DIR = path.join(process.cwd(), 'calendar');
 console.log(`Merged calendars directory: ${MERGED_CALENDARS_DIR} under ${process.cwd()}`);
 
 // Ensure the merged calendars directory exists
 fs.mkdirSync(MERGED_CALENDARS_DIR, { recursive: true });
 
-app.get('/script.js', (req, res) => {
+// Serve static files
-    res.setHeader('Content-Type', 'application/javascript');
+app.get('/script.js', (req, res) => res.sendFile('script.js', { root: '.' }));
-    res.sendFile('script.js', { root: '.' });
+app.get('/', (req, res) => res.sendFile('index.html', { root: '.' }));
-});
 
-app.get('/', (req, res) => {
+// Utility to sanitize filenames
-    res.sendFile('index.html', { root: '.' });
+const sanitizeFilename = (filename) => filename.replace(/[<>:"/\\|?* ]/g, '_');
-});
 
-// Function to sanitize the linkGroupName for use as a filename
+// Fetch calendar data from URL or file
-function sanitizeFilename(filename) {
+const fetchCalendarData = async (calendar) => {
-    return filename.replace(/[<>:"/\\|?* ]/g, '_'); // Replace invalid characters with underscores
+    const isFilePath = !calendar.url.startsWith('http');
-}
+    try {
+        if (isFilePath) {
+            return {
+                data: fs.readFileSync(path.resolve(calendar.url), 'utf-8'),
+                ...calendar
+            };
+        } else {
+            const response = await axios.get(calendar.url);
+            return { data: response.data, ...calendar };
+        }
+    } catch (error) {
+        console.error(`Error retrieving calendar from ${calendar.url}:`, error);
+        throw error;
+    }
+};
+
+// Merge calendar events
+const mergeCalendarEvents = (calendarInstance, results) => {
+    results.forEach((result) => {
+        const parsed = ICAL.parse(result.data);
+        const component = new ICAL.Component(parsed);
+        component.getAllSubcomponents('vevent').forEach((event) => {
+            const vevent = new ICAL.Event(event);
+            const start = vevent.startDate.toJSDate();
+            const end = vevent.endDate.toJSDate();
+            const summary = result.override ? result.prefix : `${result.prefix} ${vevent.summary}`;
+
+            const eventOptions = {
+                start: start,
+                end: end,
+                summary: summary,
+                allDay: vevent.startDate.isDate
+            };
+            calendarInstance.createEvent(eventOptions);
+        });
+    });
+};
+
+// Save calendar data to file
+const saveCalendarFile = (filename, content) => {
+    const filePath = path.join(MERGED_CALENDARS_DIR, filename);
+    fs.writeFileSync(filePath, content);
+    return filePath;
+};
 
 // Merge calendars endpoint
 app.post('/merge', async (req, res) => {
     const { linkGroupName, calendars } = req.body;
 
+    // Validate the input
+    if (!linkGroupName || !Array.isArray(calendars) || calendars.length === 0) {
+        return res.status(400).json({ error: 'Invalid input. Please provide a linkGroupName and at least one calendar.' });
+    }
+
     try {
-        // Validate the input
-        if (!linkGroupName || !calendars || !Array.isArray(calendars) || calendars.length === 0) {
-            return res.status(400).json({ error: 'Invalid input. Please provide a linkGroupName and at least one calendar.' });
-        }
         
         // Sanitize the linkGroupName to create a valid filename
         const sanitizedLinkGroupName = sanitizeFilename(linkGroupName);
         const filename = `${sanitizedLinkGroupName}.ics`;
 
-        // Fetch calendar data from URLs or load from local files
+        // Fetch calendar data
-        const promises = calendars.map((calendar) => {
+        const results = await Promise.all(calendars.map(fetchCalendarData));
-            // Check if calendar URL is a file path or a URL
-            const isFilePath = !calendar.url.startsWith('http');
-            if (isFilePath) {
-                try{
-                    // Read calendar data from local file
-                    const data = fs.readFileSync(path.resolve(calendar.url), 'utf-8');
-                    return Promise.resolve({
-                        data: data,
-                        prefix: calendar.prefix,
-                        override: calendar.override,
-                    });
-                } catch (error) {
-                    console.error(`Error reading calendar file ${calendar.url}: ${error}`);
-                    return Promise.reject(error)
-                }
-            } else {
-                // Fetch calendar data from URL
-                return axios.get(calendar.url)
-                    .then((response) => {
-                        return {
-                            data: response.data,
-                            prefix: calendar.prefix,
-                            override: calendar.override,
-                        };
-                    })
-                    .catch((error) => {
-                        console.error(`Error fetching calendar from ${calendar.url}:`, error);
-                        return null;
-                    });
-            }
-        });
         
-        const results = await Promise.all(promises);
+        // Generate merged calendar
-        // Create a new iCalendar instance
+        const calendarInstance = icalGenerator({ name: linkGroupName });
-        const calendar = icalGenerator({ name: linkGroupName });
+        mergeCalendarEvents(calendarInstance, results);
-
-        // Parse calendar data
-        results.forEach((result) => {
-            const parsed = ICAL.parse(result.data);
-            const component = new ICAL.Component(parsed);
-            const events = component.getAllSubcomponents('vevent');
-
-            events.forEach((event) => {
-                const vevent = new ICAL.Event(event);
-                const start = vevent.startDate.toJSDate();
-                const end = vevent.endDate.toJSDate();
-                const summary = result.override ? result.prefix : `${result.prefix} ${vevent.summary}`;
-
-                if (vevent.startDate.isDate) {
-                    calendar.createEvent({
-                        start: start.toISOString().split('T')[0],
-                        end: end.toISOString().split('T')[0],
-                        summary: summary,
-                        allDay: true,
-                    });
-                } else {
-                    calendar.createEvent({
-                        start: start,
-                        end: end,
-                        summary: summary,
-                    });
-                }
-            });
-        });
 
         
         // Save the calendar to a file
-        const filePath = `${MERGED_CALENDARS_DIR}/${filename}`;
+        saveCalendarFile(filename, calendarInstance.toString());
-        fs.writeFileSync(filePath, calendar.toString());
-        console.log(`Calendar saved to ${filePath}`);
 
         // Save the user input and sanitizedLinkGroupName in a separate JSON file
-        saveCalendarData(sanitizedLinkGroupName, linkGroupName, calendars);
+        saveCalendarFile(`${sanitizedLinkGroupName}.json`, JSON.stringify({ linkGroupName, calendars }, null, 2));
 
         res.json({ url: `${req.protocol}://${req.get('host')}/calendar/${sanitizedLinkGroupName}` });
     } catch (error) {
@@ -126,112 +105,45 @@ app.post('/merge', async (req, res) => {
     }
 });
 
+// Refresh calendar if outdated
+const refreshCalendarData = async (calendarName) => {
+    const jsonFilePath = path.join(MERGED_CALENDARS_DIR, `${calendarName}.json`);
+    
+    // Read the JSON file to get the source URL and other details
+    const { calendars } = JSON.parse(fs.readFileSync(jsonFilePath, 'utf-8'));
+
+    const results = await Promise.all(calendars.map(fetchCalendarData));
+    const calendarInstance = icalGenerator({ name: calendarName });
+    mergeCalendarEvents(calendarInstance, results);
+
+    saveCalendarFile(`${calendarName}.ics`, calendarInstance.toString());
+    console.log('Calendar data refreshed.');
+};
+
 // Serve the merged calendar file and refresh if older than an hour
 app.get('/calendar/:name', async (req, res) => {
     const calendarName = req.params.name;
-    const icsFilePath = path.resolve(MERGED_CALENDARS_DIR, `${calendarName}.ics`);
+    const icsFilePath = path.join(MERGED_CALENDARS_DIR, `${calendarName}.ics`);
-    const jsonFilePath = path.resolve(MERGED_CALENDARS_DIR, `${calendarName}.json`);
 
     try {
         // Check if the .ics file exists
         if (fs.existsSync(icsFilePath)) {
             const stats = fs.statSync(icsFilePath);
-            const lastModified = new Date(stats.mtime);
+            const isOutdated = new Date() - new Date(stats.mtime) > 60 * 60 * 1000;
-            const now = new Date();
-            // Check if the file is older than one hour
-            if (now - lastModified > 60 * 60 * 1000) {
-                console .log('Refreshing calendar data...');
 
-                // Read the JSON file to get the source URL and other details
+            if (isOutdated) await refreshCalendarData(calendarName);
-                const jsonData = JSON.parse(fs.readFileSync(jsonFilePath, 'utf8'));
-                const { calendars } = jsonData;
 
-                // Fetch calendar data for each merged calendar
+            res.setHeader('Content-Type', 'text/calendar');
-                const promises = calendars.map((calendar) => {
+            res.sendFile(icsFilePath);
-                    return axios.get(calendar.url)
-                        .then((response) => {
-                            return {
-                                data: response.data,
-                                prefix: calendar.prefix,
-                                override: calendar.override,
-                            };
-                        })
-                        .catch((error) => {
-                            console.error(error);
-                            return null;
-                        });
-                });
 
-                const results = await Promise.all(promises);
-                // Filter out any failed requests
-                const validResults = results.filter((result) => result !== null);
-
-                // Create a new iCalendar instance
-                const calendar = icalGenerator({ name: calendarName });
-
-                // Parse calendar data
-                validResults.forEach((result) => {
-                    const parsed = ICAL.parse(result.data);
-                    const component = new ICAL.Component(parsed);
-                    const events = component.getAllSubcomponents('vevent');
-
-                    events.forEach((event) => {
-                        const vevent = new ICAL.Event(event);
-                        const start = vevent.startDate.toJSDate();
-                        const end = vevent.endDate.toJSDate();
-                        const summary = result.override ? result.prefix : `${result.prefix} ${vevent.summary}`;
-
-                        if (vevent.startDate.isDate) {
-                            calendar.createEvent({
-                                start: start.toISOString().split('T')[0],
-                                end: end.toISOString().split('T')[0],
-                                summary: summary,
-                                allDay: true,
-                            });
-                        } else {
-                            calendar.createEvent({
-                                start: start,
-                                end: end,
-                                summary: summary,
-                            });
-                        }
-                    });
-                });
-
-                // Save the calendar to a file
-                fs.writeFileSync(icsFilePath, calendar.toString());
-                
-                console.log('Calendar data refreshed.');
-            }
         } else {
-            return res.status(404).json({ error: 'Calendar not found.' });
+            res.status(404).json({ error: 'Calendar not found.' });
         }
 
-        // Return the contents of the .ics file
-        res.setHeader('Content-Type', 'text/calendar');
-        res.sendFile(icsFilePath);
-
     } catch (error) {
-        console.error(error);
+        console.error('Error retrieving calendar data:', error);
         res.status(500).json({ error: 'Failed to retrieve calendar data.' });
     }
 });
 
-
-//function to save calendar data to seperate .json files
-function saveCalendarData(calendarId, linkGroupName, calendars) {
-    const calendarFile = `${MERGED_CALENDARS_DIR}/${calendarId}.json`;
-    const calendarData = {
-        id: calendarId,
-        linkGroupName: linkGroupName,
-        calendars: calendars
-    };
-
-    try {
-        fs.writeFileSync(calendarFile, JSON.stringify(calendarData, null, 2));
-    } catch (error) {
-        console.error('Error writing to calendar file:', error);
-    }
-}
-
 export default app;

tests/calendar/Date_Based_Calendar.ics

@@ -0,0 +1,336 @@
+BEGIN:VCALENDAR
+VERSION:2.0
+PRODID:-//sebbo.net//ical-generator//EN
+NAME:Date Based Calendar
+X-WR-CALNAME:Date Based Calendar
+BEGIN:VEVENT
+UID:ux86@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20230219
+DTEND;VALUE=DATE:20230224
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:Ferien_Bayern_2023 Winterferien 2023 Bayern
+END:VEVENT
+BEGIN:VEVENT
+UID:uqqc@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20230402
+DTEND;VALUE=DATE:20230415
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:Ferien_Bayern_2023 Osterferien 2023 Bayern
+END:VEVENT
+BEGIN:VEVENT
+UID:s5s6@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20230529
+DTEND;VALUE=DATE:20230609
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:Ferien_Bayern_2023 Pfingstferien 2023 Bayern
+END:VEVENT
+BEGIN:VEVENT
+UID:d1co@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20230730
+DTEND;VALUE=DATE:20230911
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:Ferien_Bayern_2023 Sommerferien 2023 Bayern
+END:VEVENT
+BEGIN:VEVENT
+UID:bfa2@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20231029
+DTEND;VALUE=DATE:20231103
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:Ferien_Bayern_2023 Herbstferien 2023 Bayern
+END:VEVENT
+BEGIN:VEVENT
+UID:422p@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20231121
+DTEND;VALUE=DATE:20231122
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:Ferien_Bayern_2023 Herbstferien 2023 Bayern
+END:VEVENT
+BEGIN:VEVENT
+UID:pn88@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20231222
+DTEND;VALUE=DATE:20240105
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:Ferien_Bayern_2023 Weihnachtsferien 2023 Bayern
+END:VEVENT
+BEGIN:VEVENT
+UID:kn7n@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20231231
+DTEND;VALUE=DATE:20231231
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:US_holidays New Year's Day
+END:VEVENT
+BEGIN:VEVENT
+UID:m3pg@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20240114
+DTEND;VALUE=DATE:20240114
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:US_holidays M L King Day
+END:VEVENT
+BEGIN:VEVENT
+UID:39ny@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20240218
+DTEND;VALUE=DATE:20240218
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:US_holidays Presidents' Day
+END:VEVENT
+BEGIN:VEVENT
+UID:5ifw@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20240328
+DTEND;VALUE=DATE:20240328
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:US_holidays Good Friday
+END:VEVENT
+BEGIN:VEVENT
+UID:nb38@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20240330
+DTEND;VALUE=DATE:20240330
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:US_holidays Easter Sunday
+END:VEVENT
+BEGIN:VEVENT
+UID:lz4n@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20240526
+DTEND;VALUE=DATE:20240526
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:US_holidays Memorial Day
+END:VEVENT
+BEGIN:VEVENT
+UID:0h55@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20240618
+DTEND;VALUE=DATE:20240618
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:US_holidays Juneteenth
+END:VEVENT
+BEGIN:VEVENT
+UID:rw2w@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20240703
+DTEND;VALUE=DATE:20240703
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:US_holidays Independence Day
+END:VEVENT
+BEGIN:VEVENT
+UID:7c9g@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20240901
+DTEND;VALUE=DATE:20240901
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:US_holidays Labor Day
+END:VEVENT
+BEGIN:VEVENT
+UID:0nz9@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20241013
+DTEND;VALUE=DATE:20241013
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:US_holidays Columbus Day
+END:VEVENT
+BEGIN:VEVENT
+UID:e9ol@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20241110
+DTEND;VALUE=DATE:20241110
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:US_holidays Veterans Day
+END:VEVENT
+BEGIN:VEVENT
+UID:p38j@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20241127
+DTEND;VALUE=DATE:20241127
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:US_holidays Thanksgiving Day
+END:VEVENT
+BEGIN:VEVENT
+UID:379a@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20241224
+DTEND;VALUE=DATE:20241224
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:US_holidays Christmas
+END:VEVENT
+BEGIN:VEVENT
+UID:cpof@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20241231
+DTEND;VALUE=DATE:20241231
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:US_holidays New Year's Day
+END:VEVENT
+BEGIN:VEVENT
+UID:p0aq@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20250119
+DTEND;VALUE=DATE:20250119
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:US_holidays M L King Day
+END:VEVENT
+BEGIN:VEVENT
+UID:kb3l@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20250216
+DTEND;VALUE=DATE:20250216
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:US_holidays Presidents' Day
+END:VEVENT
+BEGIN:VEVENT
+UID:htk4@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20250417
+DTEND;VALUE=DATE:20250417
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:US_holidays Good Friday
+END:VEVENT
+BEGIN:VEVENT
+UID:db0o@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20250419
+DTEND;VALUE=DATE:20250419
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:US_holidays Easter Sunday
+END:VEVENT
+BEGIN:VEVENT
+UID:v0s3@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20250525
+DTEND;VALUE=DATE:20250525
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:US_holidays Memorial Day
+END:VEVENT
+BEGIN:VEVENT
+UID:7hxd@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20250618
+DTEND;VALUE=DATE:20250618
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:US_holidays Juneteenth
+END:VEVENT
+BEGIN:VEVENT
+UID:1zlu@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20250703
+DTEND;VALUE=DATE:20250703
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:US_holidays Independence Day
+END:VEVENT
+BEGIN:VEVENT
+UID:ujrf@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20250831
+DTEND;VALUE=DATE:20250831
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:US_holidays Labor Day
+END:VEVENT
+BEGIN:VEVENT
+UID:0vwh@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20251012
+DTEND;VALUE=DATE:20251012
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:US_holidays Columbus Day
+END:VEVENT
+BEGIN:VEVENT
+UID:5lwh@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20251110
+DTEND;VALUE=DATE:20251110
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:US_holidays Veterans Day
+END:VEVENT
+BEGIN:VEVENT
+UID:iz9d@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20251126
+DTEND;VALUE=DATE:20251126
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:US_holidays Thanksgiving Day
+END:VEVENT
+BEGIN:VEVENT
+UID:9siv@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20251224
+DTEND;VALUE=DATE:20251224
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:US_holidays Christmas
+END:VEVENT
+END:VCALENDAR

tests/calendar/Date_Based_Calendar.json

@@ -0,0 +1,16 @@
+{
+  "id": "Date_Based_Calendar",
+  "linkGroupName": "Date Based Calendar",
+  "calendars": [
+    {
+      "url": "C:\\Users\\user\\OneDrive\\Desktop\\Internship_tasks\\final calmerg\\tests\\test_calendars\\ferien_bayern_2023.ics",
+      "prefix": "Ferien_Bayern_2023",
+      "override": false
+    },
+    {
+      "url": "C:\\Users\\user\\OneDrive\\Desktop\\Internship_tasks\\final calmerg\\tests\\test_calendars\\US_Holidays.ics",
+      "prefix": "US_holidays",
+      "override": false
+    }
+  ]
+}

tests/calendar/No_Prefix_Calendar.ics

@@ -0,0 +1,266 @@
+BEGIN:VCALENDAR
+VERSION:2.0
+PRODID:-//sebbo.net//ical-generator//EN
+NAME:No Prefix Calendar
+X-WR-CALNAME:No Prefix Calendar
+BEGIN:VEVENT
+UID:3xkm@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20231231
+DTEND;VALUE=DATE:20231231
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY: New Year's Day
+END:VEVENT
+BEGIN:VEVENT
+UID:brhz@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20240101
+DTEND;VALUE=DATE:20240101
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY: New Year's Day Holiday
+END:VEVENT
+BEGIN:VEVENT
+UID:eqra@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20240102
+DTEND;VALUE=DATE:20240102
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY: New Year's Day Holiday
+END:VEVENT
+BEGIN:VEVENT
+UID:n4fh@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20240103
+DTEND;VALUE=DATE:20240103
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY: New Year's Day Holiday
+END:VEVENT
+BEGIN:VEVENT
+UID:7ere@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20240104
+DTEND;VALUE=DATE:20240104
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY: New Year's Day Holiday
+END:VEVENT
+BEGIN:VEVENT
+UID:e144@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20240106
+DTEND;VALUE=DATE:20240106
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY: Orthodox Christmas
+END:VEVENT
+BEGIN:VEVENT
+UID:rh1l@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20240107
+DTEND;VALUE=DATE:20240107
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY: Orthodox Christmas Holiday
+END:VEVENT
+BEGIN:VEVENT
+UID:52hv@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20240222
+DTEND;VALUE=DATE:20240222
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY: Defender of the Fatherland
+END:VEVENT
+BEGIN:VEVENT
+UID:kzzg@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20240307
+DTEND;VALUE=DATE:20240307
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY: Intl. Women's Day
+END:VEVENT
+BEGIN:VEVENT
+UID:s482@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20240430
+DTEND;VALUE=DATE:20240430
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY: Spring and Labor Day
+END:VEVENT
+BEGIN:VEVENT
+UID:vqc0@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20240508
+DTEND;VALUE=DATE:20240508
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY: Victory Day
+END:VEVENT
+BEGIN:VEVENT
+UID:fpcl@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20240611
+DTEND;VALUE=DATE:20240611
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY: Russia Day
+END:VEVENT
+BEGIN:VEVENT
+UID:16sp@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20241103
+DTEND;VALUE=DATE:20241103
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY: Civil Unity Day
+END:VEVENT
+BEGIN:VEVENT
+UID:2jtp@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20241231
+DTEND;VALUE=DATE:20241231
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY: New Year's Day
+END:VEVENT
+BEGIN:VEVENT
+UID:jfuk@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20250101
+DTEND;VALUE=DATE:20250101
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY: New Year's Day Holiday
+END:VEVENT
+BEGIN:VEVENT
+UID:82e6@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20250102
+DTEND;VALUE=DATE:20250102
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY: New Year's Day Holiday
+END:VEVENT
+BEGIN:VEVENT
+UID:zoha@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20250103
+DTEND;VALUE=DATE:20250103
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY: New Year's Day Holiday
+END:VEVENT
+BEGIN:VEVENT
+UID:rr0h@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20250104
+DTEND;VALUE=DATE:20250104
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY: New Year's Day Holiday
+END:VEVENT
+BEGIN:VEVENT
+UID:8712@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20250106
+DTEND;VALUE=DATE:20250106
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY: Orthodox Christmas
+END:VEVENT
+BEGIN:VEVENT
+UID:uq55@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20250107
+DTEND;VALUE=DATE:20250107
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY: Orthodox Christmas Holiday
+END:VEVENT
+BEGIN:VEVENT
+UID:hmvp@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20250223
+DTEND;VALUE=DATE:20250223
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY: Defender of the Fatherland
+END:VEVENT
+BEGIN:VEVENT
+UID:6wgm@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20250309
+DTEND;VALUE=DATE:20250309
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY: Intl. Women's Day
+END:VEVENT
+BEGIN:VEVENT
+UID:g3y7@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20250430
+DTEND;VALUE=DATE:20250430
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY: Spring and Labor Day
+END:VEVENT
+BEGIN:VEVENT
+UID:5u4o@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20250508
+DTEND;VALUE=DATE:20250508
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY: Victory Day
+END:VEVENT
+BEGIN:VEVENT
+UID:ruw2@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20250611
+DTEND;VALUE=DATE:20250611
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY: Russia Day
+END:VEVENT
+BEGIN:VEVENT
+UID:ui8c@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20251103
+DTEND;VALUE=DATE:20251103
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY: Civil Unity Day
+END:VEVENT
+END:VCALENDAR

tests/calendar/No_Prefix_Calendar.json

@@ -0,0 +1,11 @@
+{
+  "id": "No_Prefix_Calendar",
+  "linkGroupName": "No Prefix Calendar",
+  "calendars": [
+    {
+      "url": "C:\\Users\\user\\OneDrive\\Desktop\\Internship_tasks\\final calmerg\\tests\\test_calendars\\San_Francisco_Public_Holidays.ics",
+      "prefix": "",
+      "override": false
+    }
+  ]
+}

tests/calendar/Override_Calendar.ics

@@ -0,0 +1,266 @@
+BEGIN:VCALENDAR
+VERSION:2.0
+PRODID:-//sebbo.net//ical-generator//EN
+NAME:Override Calendar
+X-WR-CALNAME:Override Calendar
+BEGIN:VEVENT
+UID:k61c@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20231231
+DTEND;VALUE=DATE:20231231
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:Override Event
+END:VEVENT
+BEGIN:VEVENT
+UID:55y9@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20240101
+DTEND;VALUE=DATE:20240101
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:Override Event
+END:VEVENT
+BEGIN:VEVENT
+UID:skrq@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20240102
+DTEND;VALUE=DATE:20240102
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:Override Event
+END:VEVENT
+BEGIN:VEVENT
+UID:vz9m@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20240103
+DTEND;VALUE=DATE:20240103
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:Override Event
+END:VEVENT
+BEGIN:VEVENT
+UID:vhek@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20240104
+DTEND;VALUE=DATE:20240104
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:Override Event
+END:VEVENT
+BEGIN:VEVENT
+UID:n520@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20240106
+DTEND;VALUE=DATE:20240106
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:Override Event
+END:VEVENT
+BEGIN:VEVENT
+UID:lqmc@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20240107
+DTEND;VALUE=DATE:20240107
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:Override Event
+END:VEVENT
+BEGIN:VEVENT
+UID:qsw7@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20240222
+DTEND;VALUE=DATE:20240222
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:Override Event
+END:VEVENT
+BEGIN:VEVENT
+UID:cssb@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20240307
+DTEND;VALUE=DATE:20240307
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:Override Event
+END:VEVENT
+BEGIN:VEVENT
+UID:q1qz@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20240430
+DTEND;VALUE=DATE:20240430
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:Override Event
+END:VEVENT
+BEGIN:VEVENT
+UID:0bgv@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20240508
+DTEND;VALUE=DATE:20240508
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:Override Event
+END:VEVENT
+BEGIN:VEVENT
+UID:t8ux@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20240611
+DTEND;VALUE=DATE:20240611
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:Override Event
+END:VEVENT
+BEGIN:VEVENT
+UID:uppu@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20241103
+DTEND;VALUE=DATE:20241103
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:Override Event
+END:VEVENT
+BEGIN:VEVENT
+UID:m56r@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20241231
+DTEND;VALUE=DATE:20241231
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:Override Event
+END:VEVENT
+BEGIN:VEVENT
+UID:ecvb@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20250101
+DTEND;VALUE=DATE:20250101
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:Override Event
+END:VEVENT
+BEGIN:VEVENT
+UID:vx0q@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20250102
+DTEND;VALUE=DATE:20250102
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:Override Event
+END:VEVENT
+BEGIN:VEVENT
+UID:jd9w@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20250103
+DTEND;VALUE=DATE:20250103
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:Override Event
+END:VEVENT
+BEGIN:VEVENT
+UID:yvdj@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20250104
+DTEND;VALUE=DATE:20250104
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:Override Event
+END:VEVENT
+BEGIN:VEVENT
+UID:b03t@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20250106
+DTEND;VALUE=DATE:20250106
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:Override Event
+END:VEVENT
+BEGIN:VEVENT
+UID:gqz5@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20250107
+DTEND;VALUE=DATE:20250107
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:Override Event
+END:VEVENT
+BEGIN:VEVENT
+UID:xd78@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20250223
+DTEND;VALUE=DATE:20250223
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:Override Event
+END:VEVENT
+BEGIN:VEVENT
+UID:2hbi@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20250309
+DTEND;VALUE=DATE:20250309
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:Override Event
+END:VEVENT
+BEGIN:VEVENT
+UID:3sa4@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20250430
+DTEND;VALUE=DATE:20250430
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:Override Event
+END:VEVENT
+BEGIN:VEVENT
+UID:w8qb@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20250508
+DTEND;VALUE=DATE:20250508
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:Override Event
+END:VEVENT
+BEGIN:VEVENT
+UID:x8kb@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20250611
+DTEND;VALUE=DATE:20250611
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:Override Event
+END:VEVENT
+BEGIN:VEVENT
+UID:wu7v@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART;VALUE=DATE:20251103
+DTEND;VALUE=DATE:20251103
+X-MICROSOFT-CDO-ALLDAYEVENT:TRUE
+X-MICROSOFT-MSNCALENDAR-ALLDAYEVENT:TRUE
+SUMMARY:Override Event
+END:VEVENT
+END:VCALENDAR

tests/calendar/Override_Calendar.json

@@ -0,0 +1,11 @@
+{
+  "id": "Override_Calendar",
+  "linkGroupName": "Override Calendar",
+  "calendars": [
+    {
+      "url": "C:\\Users\\user\\OneDrive\\Desktop\\Internship_tasks\\final calmerg\\tests\\test_calendars\\San_Francisco_Public_Holidays.ics",
+      "prefix": "Override Event",
+      "override": true
+    }
+  ]
+}

tests/calendar/Time_Based_Calendar.ics

@@ -0,0 +1,46 @@
+BEGIN:VCALENDAR
+VERSION:2.0
+PRODID:-//sebbo.net//ical-generator//EN
+NAME:Time Based Calendar
+X-WR-CALNAME:Time Based Calendar
+BEGIN:VEVENT
+UID:hexi@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART:20241001T183000Z
+DTEND:20241001T193000Z
+SUMMARY:other_work calmerge
+END:VEVENT
+BEGIN:VEVENT
+UID:5gao@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART:20241010T173000Z
+DTEND:20241010T183000Z
+SUMMARY:other_work to do
+END:VEVENT
+BEGIN:VEVENT
+UID:d67d@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART:20240930T113000Z
+DTEND:20240930T123000Z
+SUMMARY:work other work
+END:VEVENT
+BEGIN:VEVENT
+UID:6kon@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART:20241003T190000Z
+DTEND:20241003T200000Z
+SUMMARY:work progodessey
+END:VEVENT
+BEGIN:VEVENT
+UID:gxgt@Ryan-jr
+SEQUENCE:0
+DTSTAMP:20241107T002212Z
+DTSTART:20241009T173000Z
+DTEND:20241009T183000Z
+SUMMARY:work do
+END:VEVENT
+END:VCALENDAR

tests/calendar/Time_Based_Calendar.json

@@ -0,0 +1,16 @@
+{
+  "id": "Time_Based_Calendar",
+  "linkGroupName": "Time Based Calendar",
+  "calendars": [
+    {
+      "url": "C:\\Users\\user\\OneDrive\\Desktop\\Internship_tasks\\final calmerg\\tests\\test_calendars\\other_work.ics",
+      "prefix": "other_work",
+      "override": false
+    },
+    {
+      "url": "C:\\Users\\user\\OneDrive\\Desktop\\Internship_tasks\\final calmerg\\tests\\test_calendars\\work.ics",
+      "prefix": "work",
+      "override": false
+    }
+  ]
+}