Initial commit: banking statement download scripts

2026-03-12 11:51:16 +11:00
commit 68c5d561a6
5 changed files with 410 additions and 0 deletions
@@ -0,0 +1,142 @@
+// =============================================================================
+// MyCard Statement Download Helper (mycard.com.au)
+// =============================================================================
+// PASTE + ENTER, then click statement rows normally.
+// The blob tab still opens (just close it), BUT you also get a properly
+// named PDF saved automatically.
+//
+// TO STOP: just refresh the page (F5)
+// =============================================================================
+
+(function () {
+    'use strict';
+
+    if (window._mcStatementHelper) {
+        if (window._mcOrigWindowOpen) window.open = window._mcOrigWindowOpen;
+        console.log('🔄 Restarting MyCard helper...');
+    }
+    window._mcStatementHelper = true;
+
+    let downloadCount = 0;
+    let lastClickedDate = null;
+    const downloadedSet = new Set();
+
+    const monthNames = ['', 'January', 'February', 'March', 'April', 'May', 'June',
+        'July', 'August', 'September', 'October', 'November', 'December'];
+
+    function extractDate(text) {
+        const m = text.match(/(\d{1,2})\s+(January|February|March|April|May|June|July|August|September|October|November|December)\s+(\d{4})/);
+        if (!m) return null;
+        const monthNum = new Date(`${m[2]} 1, 2000`).getMonth() + 1;
+        return { year: m[3], monthNum: String(monthNum).padStart(2, '0'), monthName: m[2] };
+    }
+
+    // Click events compose through shadow DOM — use composedPath() to read inner elements
+    document.addEventListener('click', function (e) {
+        const path = e.composedPath();
+        for (const el of path) {
+            if (!(el instanceof HTMLElement)) continue;
+            // Search this element and its children for <p> with a date
+            const paragraphs = el.querySelectorAll ? el.querySelectorAll('p') : [];
+            for (const p of paragraphs) {
+                const date = extractDate(p.textContent.trim());
+                if (date) {
+                    lastClickedDate = date;
+                    console.log(`⏳ MyCard-Statement-${date.year}-${date.monthNum}-${date.monthName}.pdf...`);
+                    return;
+                }
+            }
+        }
+    }, true);
+
+    // Also try mousedown with composedPath
+    document.addEventListener('mousedown', function (e) {
+        const path = e.composedPath();
+        for (const el of path) {
+            if (!(el instanceof HTMLElement)) continue;
+            const paragraphs = el.querySelectorAll ? el.querySelectorAll('p') : [];
+            for (const p of paragraphs) {
+                const date = extractDate(p.textContent.trim());
+                if (date) {
+                    lastClickedDate = date;
+                    return;
+                }
+            }
+        }
+    }, true);
+
+    // Search all shadow roots for dates (fallback)
+    function findDateInShadowDom() {
+        function searchNode(node) {
+            if (node.shadowRoot) {
+                const ps = node.shadowRoot.querySelectorAll('p');
+                for (const p of ps) {
+                    const date = extractDate(p.textContent.trim());
+                    if (date) return date;
+                }
+                for (const child of node.shadowRoot.querySelectorAll('*')) {
+                    const result = searchNode(child);
+                    if (result) return result;
+                }
+            }
+            return null;
+        }
+        for (const el of document.querySelectorAll('*')) {
+            const result = searchNode(el);
+            if (result) return result;
+        }
+        return null;
+    }
+
+    function savePdf(blob, filename) {
+        const url = URL.createObjectURL(blob);
+        const a = document.createElement('a');
+        a.href = url; a.download = filename;
+        document.body.appendChild(a); a.click(); document.body.removeChild(a);
+        setTimeout(() => URL.revokeObjectURL(url), 2000);
+    }
+
+    // Intercept window.open — fetch blob URL and save as named PDF
+    const origWindowOpen = window._mcOrigWindowOpen || window.open;
+    window._mcOrigWindowOpen = origWindowOpen;
+    window.open = function (url, ...rest) {
+        const win = origWindowOpen.call(this, url, ...rest);
+
+        if (typeof url === 'string' && url.startsWith('blob:')) {
+            if (downloadedSet.has(url)) return win;
+            downloadedSet.add(url);
+            setTimeout(() => downloadedSet.delete(url), 5000);
+
+            // Try click-tracked date, then shadow DOM scan
+            const date = lastClickedDate || findDateInShadowDom();
+
+            fetch(url)
+                .then(r => r.blob())
+                .then(blob => {
+                    return blob.slice(0, 5).text().then(h => {
+                        if (h !== '%PDF-') return;
+                        let fn;
+                        if (date) {
+                            fn = `MyCard-Statement-${date.year}-${date.monthNum}-${date.monthName}.pdf`;
+                        } else {
+                            fn = `MyCard-Statement-${Date.now()}.pdf`;
+                        }
+                        savePdf(blob, fn);
+                        downloadCount++;
+                        console.log(`✅ #${downloadCount} ${fn} (${(blob.size / 1024).toFixed(0)} KB)`);
+                        console.log(`   Close the blob tab, then click next statement.`);
+                    });
+                })
+                .catch(err => console.error('❌ Failed:', err));
+        }
+
+        return win;
+    };
+
+    console.log('');
+    console.log('✅ MyCard download helper active!');
+    console.log('👆 Click statement rows normally.');
+    console.log('   Each click: PDF saves as file + blob tab opens (close it).');
+    console.log('   To stop: refresh (F5)');
+    console.log('');
+})();