implemented calendar DB systems

api/src/db.ts

@@ -16,4 +16,4 @@ const pool = mariadb.createPool({
     ssl: false,
 });
 
-module.exports = pool;
+export default pool;

api/src/services/calendarService.ts

@@ -4,33 +4,111 @@ import pool from '../db';
 export interface CalendarEvent {
     id: number;
     name: string;
-    start: Date;          // DATETIME → Date
-    end: Date;            // DATETIME → Date
+    start: Date;          // DATETIME -> Date
+    end: Date;            // DATETIME -> Date
     location: string;
-    color: string;        // CHAR(7) like "#3b82f6"
+    color: string;        // 7 character hex string
     description?: string | null;
     creator?: number | null;  // foreign key to members.id, nullable
-    cancelled: boolean;       // TINYINT(1) → boolean
-    created_at: Date;         // TIMESTAMP → Date
-    updated_at: Date;         // TIMESTAMP → Date
+    cancelled: boolean;       // TINYINT(1) -> boolean
+    created_at: Date;         // TIMESTAMP -> Date
+    updated_at: Date;         // TIMESTAMP -> Date
 }
 
-export async function createEvent(eventObject) {
+export type Attendance = 'attending' | 'maybe' | 'not_attending';
 
+export async function createEvent(eventObject: Omit<CalendarEvent, 'id' | 'created_at' | 'updated_at' | 'cancelled'>) {
+    const sql = `
+        INSERT INTO calendar_events 
+            (name, start, end, location, color, description, creator)
+        VALUES (?, ?, ?, ?, ?, ?, ?, ?)
+    `;
+    const params = [
+        eventObject.name,
+        eventObject.start,
+        eventObject.end,
+        eventObject.location,
+        eventObject.color,
+        eventObject.description ?? null,
+        eventObject.creator,
+    ];
+
+    const result = await pool.query(sql, params);
+    return { id: result.insertId, ...eventObject };
 }
 
-export async function updateEvent(eventObject) {
-
+export async function updateEvent(eventObject: CalendarEvent) {
+    if (!eventObject.id) {
+        throw new Error("updateEvent: Missing event ID.");
     }
 
-export async function cancelEvent(eventID) {
+    const sql = `
+        UPDATE calendar_events
+        SET
+            name = ?,
+            start = ?,
+            end = ?,
+            location = ?,
+            color = ?,
+            description = ?,
+        WHERE id = ?
+    `;
 
+    const params = [
+        eventObject.name,
+        eventObject.start,
+        eventObject.end,
+        eventObject.location,
+        eventObject.color,
+        eventObject.description ?? null,
+        eventObject.id
+    ];
+
+    await pool.query(sql, params);
+    return { success: true };
 }
 
-export async function getShortEventsInRange(startDate, endDate) {
-
+export async function cancelEvent(eventID: number) {
+    const sql = `
+        UPDATE calendar_events
+        SET cancelled = 1
+        WHERE id = ?
+    `;
+    await pool.query(sql, [eventID]);
+    return { success: true };
 }
 
-export async function getEventDetailed(eventID) {
 
+export async function getEventsInRange(startDate: Date, endDate: Date) {
+    const sql = `
+        SELECT id, name, start, end, color
+        FROM calendar_events
+        WHERE start BETWEEN ? AND ?
+        ORDER BY start ASC
+    `;
+    return await pool.query(sql, [startDate, endDate]);
+}
+
+export async function getUpcomingEvents(date: Date, limit: number) {
+    const sql = `
+        SELECT id, name, start, end, color
+        FROM calendar_events
+        WHERE start >= ?
+          AND cancelled = 0
+        ORDER BY start ASC
+        LIMIT ?
+    `;
+    return await pool.query(sql, [date, limit]);
+}
+
+
+export async function setAttendanceStatus(memberID: number, eventID: number, status: Attendance) {
+    const sql = `
+        INSERT INTO calendar_events_signups (member_id, event_id, status)
+        VALUES (?, ?, ?)
+        ON DUPLICATE KEY UPDATE status = VALUES(status), updated_at = CURRENT_TIMESTAMP
+    `;
+    await pool.query(sql, [memberID, eventID, status]);
+
+    return { success: true }
 }