shit

format.js

@@ -0,0 +1,185 @@
+const { readFile } = require("node:fs/promises")
+
+const FILES = [
+    "01.json",
+    "06.json",
+    "10.json"
+]
+
+// just some asumption, usually if there's a class in a certain day, the room is open for the entire day
+const OPEN_TIME  = "08:00"
+const CLOSE_TIME = "17:00"
+
+const DAY_ORDER = {
+    "Senin": 1,
+    "Selasa": 2,
+    "Rabu": 3,
+    "Kamis": 4,
+    "Jumat": 5,
+    "Sabtu": 6,
+    "Minggu": 7
+}
+
+
+async function loadFiles()
+{
+    const results = await Promise.all(FILES.map(async file =>
+    {
+        const content = await readFile(file, "utf8")
+        const json = JSON.parse(content)
+
+        return json.data
+    }))
+
+    return results.flat()
+}
+
+function parseDateRoom(value)
+{
+    /*
+     * Senin, 10:00-11:40 (A1.51 (Ged Baru))
+     * Selasa, 10.00-11.50 (A6.12 (Ged Baru))
+     *
+     * some entries is malformed (top 1 uni btw)
+     * so why even bother to match the closing ")" lolol
+     */
+
+    const match = value.match(/^([^,]+),\s*(\d{2}[:.]\d{2})-(\d{2}[:.]\d{2})\s+\((.*)$/)
+
+    if (!match) return null
+
+    const [ , day, rawStart, rawEnd, rawRoom] = match
+
+    const start = rawStart.replace(".", ":")
+    const end   = rawEnd.replace(".", ":")
+
+    /*
+     * Remove the outer ')' from normal entries.
+     *
+     * "(A1.51 (Ged Baru))"
+     *              ^ remove only the final ')'
+     *
+     * For malformed entries:
+     * "(Lab A1.04+Lab A3.02 - Gabungan (Gd. Baru)"
+     * the final ')' is also removed.
+     */
+
+    const room = rawRoom.endsWith(")") ? rawRoom.slice(0, -1) : rawRoom
+
+    return { day, start, end, room }
+}
+
+
+function timeToMinutes(time)
+{
+    const [hours, minutes] = time.split(":").map(Number)
+
+    return hours * 60 + minutes
+}
+
+
+function buildSchedule(classes)
+{
+    /*
+     * Map
+     *   room
+     *     -> day
+     *         -> classes
+     */
+
+    const schedule = new Map()
+
+    for (const classInfo of classes)
+    {
+        if (!Array.isArray(classInfo.dates_rooms))
+        {
+            console.warn(`Skipping ${classInfo.classname}: invalid dates_rooms`)
+            continue
+        }
+
+        for (const dateRoom of classInfo.dates_rooms)
+        {
+            const parsed = parseDateRoom(dateRoom)
+
+            if (!parsed)
+            {
+                console.warn(`Could not parse: ${dateRoom}`)
+                continue
+            }
+
+            const { day, start, end, room } = parsed
+
+            if (!schedule.has(room))
+            {
+                schedule.set(room, new Map())
+            }
+
+            const roomSchedule = schedule.get(room)
+
+            if (!roomSchedule.has(day))
+            {
+                roomSchedule.set(day, [])
+            }
+
+            roomSchedule.get(day).push({
+                start,
+                end,
+                className: classInfo.classname
+            })
+        }
+    }
+
+    return schedule
+}
+
+
+function formatSchedule(schedule)
+{
+    const lines = []
+
+    const rooms = [...schedule.keys()].sort((a, b) => a.localeCompare(b))
+
+    for (const room of rooms)
+    {
+        const roomSchedule = schedule.get(room)
+
+        lines.push(`- ${room} :: ${OPEN_TIME}-${CLOSE_TIME}`)
+
+        const days = [...roomSchedule.keys()].sort((a, b) => DAY_ORDER[a] - DAY_ORDER[b])
+
+        for (const day of days)
+        {
+            const classes = roomSchedule.get(day).sort((a, b) => timeToMinutes(a.start) - timeToMinutes(b.start))
+
+            lines.push(`  - ${day}:`)
+
+            for (const classInfo of classes)
+            {
+                lines.push(`    - ${classInfo.start} - ${classInfo.end}: ${classInfo.className}`)
+            }
+        }
+
+        lines.push("\n")
+    }
+
+    return lines.join("\n")
+}
+
+
+/////////////////
+
+async function main()
+{
+    const cl = await loadFiles()
+    const sc = buildSchedule(cl)
+
+    console.log(formatSchedule(sc))
+}
+
+
+main().catch(error =>
+{
+    console.error(error)
+    process.exitCode = 1
+})
+