Issue 1, untested

2024-04-09 13:18:23 +01:00
parent 9d60111262
commit 2b7fbfdebd
4 changed files with 100 additions and 22 deletions
--- a/code/lib/time.js
+++ b/code/lib/time.js
@@ -0,0 +1,80 @@
+const rangeStringToArray = (str) => {
+    // Split the string by hyphen
+    const parts = str.split ("-");
+    // Validate input format (two numbers separated by hyphen)
+    if (parts.length !== 2 || isNaN (parts[0]) || isNaN (parts[1])) {
+        return null; // Return null for invalid format
+    }
+    // Convert strings to numbers
+    const start = parseInt (parts[0], 10);
+    const end = parseInt (parts[1], 10);
+    // Check if start is less than or equal to end (inclusive range)
+    if (start > end) {
+        return null; // Return null for invalid range
+    }
+    // Use Array.from() to create an array with sequence
+    return Array.from ({ length: end - start + 1 }, (_, i) => start + i);
+};
+
+const resolveRange = (str) => {
+    const numberSets = str.split (","); // Split by commas
+    const numbers = [];
+    for (const set of numberSets) {
+        // Check if it's a range
+        if (set.includes ("-")) {
+            const range = rangeStringToArray (set); // Use the previous function
+            if (range) {
+                numbers.push(...range); // Spread operator to add elements from range array
+            }
+            else {
+                const num = parseInt(set, 10);
+                // Check if conversion is successful (valid number)
+                if (!isNaN(num)) {
+                    numbers.push(num);
+                }
+            }
+        }
+    }
+    return numbers;
+}
+
+module.exports = {
+    checkAuth: (rules = []) => {
+        var authorised = false;
+        if (rules.length > 0) {
+            var now = new Date ();
+            var minuteOfDay = (now.getHours () * 60) + now.getMinutes (); // 0 - 1439
+            var day = now.getDay (); // 1 - 7
+            var date = now.getDate (); // 1 - 31
+            var month = now.getMonth () + 1; // 1 - 12
+            var actions = [];
+            rules.forEach ((rule) => {
+                var valid = false;
+                // Process rule
+                var r = {
+                    startMinute: parseInt (rule.startTime.split (":")[0] * 60) + parseInt (rule.startTime.split (":")[1]),
+                    endMinute: parseInt (rule.endTime.split (":")[0] * 60) + parseInt (rule.endTime.split (":")[1]),
+                    days: resolveRange (rule.weekdays),
+                    dates: resolveRange (rule.dates),
+                    months: resolveRange (rule.months)
+                }
+                if (
+                    minuteOfDay >= r.startMinute && 
+                    minuteOfDay <= r.endMinute &&
+                    r.days.indexOf (day) !== -1 &&
+                    r.dates.indexOf (date) !== -1 &&
+                    r.months.indexOf (month) !== -1
+                ) {
+                    actions.push (rule.action.toLowerCase ());
+                }
+            });
+            if (actions.indexOf ("allow")) {
+                authorised = true;
+            }
+            if (actions.indexOf ("deny")) {
+                authorised = false;
+            }
+        }
+        return authorised;
+    }
+}