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2 Commits
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Author SHA1 Message Date
librelad
3098324627 Merge claude/1 2026-05-30 13:02:13 +01:00
librelad
3ad44a62f2 refactor(backup): extract cron-schedule cluster from backup-page god-file 
First god-file decomposition slice: lift the standalone cron-next utility
(nextCronFireTime/_cronFieldSet/formatRelativeFuture/formatScheduleClock) out
of backup-page.js into backup-cron-schedule.js, augmenting BackupPage.prototype.
Extracted verbatim via sed (no logic change); loaded after backup-page.js in
the feature's ordered scripts array. backup-page.js 2470 -> ~2353 lines.
Proves the faithful prototype-split pattern on the verify-confirmed-safe loader.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Signed-off-by: librelad <librelad@digitalangels.vip>
 2026-05-30 13:02:13 +01:00
3 changed files with 123 additions and 117 deletions
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1
containers/libreportal/frontend/components/backup/index.js
View File

@ -16,6 +16,7 @@ LP.features.register({
scripts: [
'/components/backup/js/backup-schema.js',
'/components/backup/js/backup-page.js',
'/components/backup/js/backup-cron-schedule.js',
'/core/lib/backup-app-card.js',
],

122
containers/libreportal/frontend/components/backup/js/backup-cron-schedule.js Normal file
View File

@ -0,0 +1,122 @@
// backup-cron-schedule.js — standalone cron-next utility (BackupPage prototype).
// Parses a 5-field crontab + computes the next fire time for the dashboard's
// "next run" hint. Extracted verbatim from backup-page.js; loaded AFTER it.
Object.assign(BackupPage.prototype, {
// formatRelative's future-tense sibling — "in 6h", "tomorrow at 5am", etc.
// Used by the backup-status header to summarise the next scheduled run.
formatRelativeFuture(when) {
if (!when) return '';
const t = when.getTime();
const diff = t - Date.now();
if (diff <= 0) return 'imminent';
const s = Math.floor(diff / 1000);
if (s < 60) return 'in less than a minute';
const m = Math.floor(s / 60);
if (m < 60) return `in ${m}m`;
const h = Math.floor(m / 60);
if (h < 24) return `in ${h}h`;
const sameDay = (a, b) => a.toDateString() === b.toDateString();
const tomorrow = new Date(Date.now() + 86400000);
if (sameDay(when, tomorrow)) return 'tomorrow';
const days = Math.floor(h / 24);
return `in ${days}d`;
},
// "05:00" or "Mon 05:00" depending on whether it's later today or not.
formatScheduleClock(when) {
if (!when) return '';
const sameDay = (new Date()).toDateString() === when.toDateString();
const t = when.toLocaleTimeString([], { hour: '2-digit', minute: '2-digit' });
if (sameDay) return `at ${t}`;
const day = when.toLocaleDateString([], { weekday: 'short' });
return `${day} ${t}`;
},
// Tiny cron-next utility — given a 5-field crontab expression
// (minute hour dom month dow) returns a Date for the next fire after
// now, or null if the expression is unparseable / never fires within
// the lookahead window. Supports the common syntax: *, N, lists
// (N,M,O), ranges (N-M), and steps (* /N or N-M/S). Doesn't try to
// be a full cron implementation — just enough for the
// CFG_BACKUP_CRONTAB_APP value the WebUI shows in the header.
nextCronFireTime(expr) {
const fields = String(expr || '').trim().split(/\s+/);
if (fields.length !== 5) return null;
const ranges = [[0, 59], [0, 23], [1, 31], [1, 12], [0, 6]];
let sets;
try {
sets = fields.map((f, i) => this._cronFieldSet(f, ranges[i][0], ranges[i][1]));
} catch (_) { return null; }
if (sets.some(s => !s.length)) return null;
const [minSet, hourSet, domSet, monSet, dowSet] = sets;
const minOk = new Set(minSet);
const hourOk = new Set(hourSet);
const domOk = new Set(domSet);
const monOk = new Set(monSet);
const dowOk = new Set(dowSet);
const domStar = fields[2] === '*';
const dowStar = fields[4] === '*';
// Start one minute from now (rounded down to the minute) and walk
// forward checking each candidate. Cap at ~366 days so a totally
// unmatchable expression doesn't loop forever.
const start = new Date();
start.setSeconds(0, 0);
start.setMinutes(start.getMinutes() + 1);
const limit = start.getTime() + 366 * 86400 * 1000;
const cur = new Date(start);
while (cur.getTime() < limit) {
const m = cur.getMinutes();
const h = cur.getHours();
const dom = cur.getDate();
const mon = cur.getMonth() + 1;
const dow = cur.getDay(); // 0 = Sun
// POSIX cron: if both DOM and DOW are restricted, fire when
// EITHER matches. If only one is restricted, that one must
// match. If both are *, day passes.
let dayMatch;
if (domStar && dowStar) dayMatch = true;
else if (domStar) dayMatch = dowOk.has(dow);
else if (dowStar) dayMatch = domOk.has(dom);
else dayMatch = domOk.has(dom) || dowOk.has(dow);
if (dayMatch && monOk.has(mon) && hourOk.has(h) && minOk.has(m)) {
return new Date(cur);
}
cur.setMinutes(cur.getMinutes() + 1);
}
return null;
},
// Expand one cron field into a sorted list of valid numeric values.
// Throws on bad syntax so nextCronFireTime can drop back to null.
_cronFieldSet(field, lo, hi) {
const out = new Set();
for (const part of String(field).split(',')) {
// step (every-Nth): "value/step" — value is "*", a single
// number, or a range "a-b".
let stepBase = part, step = 1;
const slash = part.indexOf('/');
if (slash !== -1) {
stepBase = part.slice(0, slash);
step = parseInt(part.slice(slash + 1), 10);
if (!Number.isFinite(step) || step < 1) throw new Error('bad step');
}
let from = lo, to = hi;
if (stepBase === '*' || stepBase === '') {
// range stays lo..hi
} else if (stepBase.includes('-')) {
const [a, b] = stepBase.split('-').map(n => parseInt(n, 10));
if (!Number.isFinite(a) || !Number.isFinite(b)) throw new Error('bad range');
from = a; to = b;
} else {
const n = parseInt(stepBase, 10);
if (!Number.isFinite(n)) throw new Error('bad value');
from = n; to = n;
}
if (from < lo || to > hi || from > to) throw new Error('out of range');
for (let v = from; v <= to; v += step) out.add(v);
}
return [...out].sort((a, b) => a - b);
},
});

117
containers/libreportal/frontend/components/backup/js/backup-page.js
View File

@ -2348,123 +2348,6 @@ class BackupPage {
return new Date(iso).toLocaleDateString();
}
// formatRelative's future-tense sibling — "in 6h", "tomorrow at 5am", etc.
// Used by the backup-status header to summarise the next scheduled run.
formatRelativeFuture(when) {
if (!when) return '';
const t = when.getTime();
const diff = t - Date.now();
if (diff <= 0) return 'imminent';
const s = Math.floor(diff / 1000);
if (s < 60) return 'in less than a minute';
const m = Math.floor(s / 60);
if (m < 60) return `in ${m}m`;
const h = Math.floor(m / 60);
if (h < 24) return `in ${h}h`;
const sameDay = (a, b) => a.toDateString() === b.toDateString();
const tomorrow = new Date(Date.now() + 86400000);
if (sameDay(when, tomorrow)) return 'tomorrow';
const days = Math.floor(h / 24);
return `in ${days}d`;
}
// "05:00" or "Mon 05:00" depending on whether it's later today or not.
formatScheduleClock(when) {
if (!when) return '';
const sameDay = (new Date()).toDateString() === when.toDateString();
const t = when.toLocaleTimeString([], { hour: '2-digit', minute: '2-digit' });
if (sameDay) return `at ${t}`;
const day = when.toLocaleDateString([], { weekday: 'short' });
return `${day} ${t}`;
}
// Tiny cron-next utility — given a 5-field crontab expression
// (minute hour dom month dow) returns a Date for the next fire after
// now, or null if the expression is unparseable / never fires within
// the lookahead window. Supports the common syntax: *, N, lists
// (N,M,O), ranges (N-M), and steps (* /N or N-M/S). Doesn't try to
// be a full cron implementation — just enough for the
// CFG_BACKUP_CRONTAB_APP value the WebUI shows in the header.
nextCronFireTime(expr) {
const fields = String(expr || '').trim().split(/\s+/);
if (fields.length !== 5) return null;
const ranges = [[0, 59], [0, 23], [1, 31], [1, 12], [0, 6]];
let sets;
try {
sets = fields.map((f, i) => this._cronFieldSet(f, ranges[i][0], ranges[i][1]));
} catch (_) { return null; }
if (sets.some(s => !s.length)) return null;
const [minSet, hourSet, domSet, monSet, dowSet] = sets;
const minOk = new Set(minSet);
const hourOk = new Set(hourSet);
const domOk = new Set(domSet);
const monOk = new Set(monSet);
const dowOk = new Set(dowSet);
const domStar = fields[2] === '*';
const dowStar = fields[4] === '*';
// Start one minute from now (rounded down to the minute) and walk
// forward checking each candidate. Cap at ~366 days so a totally
// unmatchable expression doesn't loop forever.
const start = new Date();
start.setSeconds(0, 0);
start.setMinutes(start.getMinutes() + 1);
const limit = start.getTime() + 366 * 86400 * 1000;
const cur = new Date(start);
while (cur.getTime() < limit) {
const m = cur.getMinutes();
const h = cur.getHours();
const dom = cur.getDate();
const mon = cur.getMonth() + 1;
const dow = cur.getDay(); // 0 = Sun
// POSIX cron: if both DOM and DOW are restricted, fire when
// EITHER matches. If only one is restricted, that one must
// match. If both are *, day passes.
let dayMatch;
if (domStar && dowStar) dayMatch = true;
else if (domStar) dayMatch = dowOk.has(dow);
else if (dowStar) dayMatch = domOk.has(dom);
else dayMatch = domOk.has(dom) || dowOk.has(dow);
if (dayMatch && monOk.has(mon) && hourOk.has(h) && minOk.has(m)) {
return new Date(cur);
}
cur.setMinutes(cur.getMinutes() + 1);
}
return null;
}
// Expand one cron field into a sorted list of valid numeric values.
// Throws on bad syntax so nextCronFireTime can drop back to null.
_cronFieldSet(field, lo, hi) {
const out = new Set();
for (const part of String(field).split(',')) {
// step (every-Nth): "value/step" — value is "*", a single
// number, or a range "a-b".
let stepBase = part, step = 1;
const slash = part.indexOf('/');
if (slash !== -1) {
stepBase = part.slice(0, slash);
step = parseInt(part.slice(slash + 1), 10);
if (!Number.isFinite(step) || step < 1) throw new Error('bad step');
}
let from = lo, to = hi;
if (stepBase === '*' || stepBase === '') {
// range stays lo..hi
} else if (stepBase.includes('-')) {
const [a, b] = stepBase.split('-').map(n => parseInt(n, 10));
if (!Number.isFinite(a) || !Number.isFinite(b)) throw new Error('bad range');
from = a; to = b;
} else {
const n = parseInt(stepBase, 10);
if (!Number.isFinite(n)) throw new Error('bad value');
from = n; to = n;
}
if (from < lo || to > hi || from > to) throw new Error('out of range');
for (let v = from; v <= to; v += step) out.add(v);
}
return [...out].sort((a, b) => a - b);
}
}
window.BackupPage = BackupPage;