Fix non working non working migration script with cypress async magic

cypress/e2e/hedgedoc-migrator.cy.js

@@ -1,31 +1,56 @@
+String.prototype.replaceLast = function (what, replacement) {
+    var pcs = this.split(what);
+    var lastPc = pcs.pop();
+    return pcs.join(what) + replacement + lastPc;
+}
+
 async function getContent(url) {
   const res = await fetch(url.concat('/download'));
   return res.text();
 }
 
-async function migrateDocument(url, baseUrl) {
-  const content = await getContent(url);
-  cy.request({
-    url: baseUrl.concat('/new'),
-    method: 'POST',
-    headers: {
-      'Content-Type': 'text/markdown',
-      'Access-Control-Allow-Origin': new URL(baseUrl).hostname,
-    },
-    body: content,
-  }).then((res) => {
-    const redirect = res.redirects[0].split(' ')[1];
-    cy.visit(url);
-    cy.get('#view-mode-toggle-edit').click({force: true});
-    cy.get('.CodeMirror-scroll').type('{ctrl}a{backspace}');
-    cy.get('.CodeMirror-scroll').type(`Moved to [${redirect}](${redirect})`);
-  });
+async function migrateDocument(oldUrl, newUrl) {
+  // get content of old pad
+  var content = await getContent(oldUrl);
+  
+  // replace URLs
+  content = content.replaceAll(new URL(oldUrl).hostname, new URL(newUrl).hostname);
+  
+  // visit new pad url (not possible via post api request because pad may already exists)
+  // Caution: Content of new pad url will be overwritten!
+  // Caution: History will not be moved to new pad url
+  cy.visit(newUrl.concat('?edit'));
+  cy.window().then((win) => {
+  
+  	// Write Content
+  	cy.get('.CodeMirror-scroll').type('{ctrl}a{backspace}');
+  	cy.get('.CodeMirror-scroll').type(content);
+  	
+  	// Visit old pad and replace content
+  	cy.visit(oldUrl);
+   	cy.get('#view-mode-toggle-edit').click({force: true});
+  	cy.get('.CodeMirror-scroll').type('{ctrl}a{backspace}');
+  	cy.get('.CodeMirror-scroll').type(`# 301 Pad moved{enter}=> [${newUrl}](${newUrl})`);
+  	
+  })
+  
 }
 
 describe('Migrate document', () => {
-  it('passes', async () => {
-    const baseUrl = 'https://md.margau.net';
-    const url = 'https://md.margau.net/H0JO3L5DS-6Yhv4RrdS-tw';
-    migrateDocument(url, baseUrl);
-  });
-});
+	it('passes', async () => {
+  
+    	// Read list of pads to migrate
+    	cy.fixture('pads').then(async(pads) => {
+
+	    	if(pads.length === 0) {
+    			console.log("Didn't find any pad urls to migrate");
+    		}
+    	
+    		for (const pad of pads) {
+   				await migrateDocument(pad.oldUrl, pad.newUrl);
+	   		}  	
+
+    	})
+	
+	})
+})

cypress/fixtures/pads.json

@@ -0,0 +1,10 @@
+[
+   {
+      "oldUrl":"https://md.margau.net/test",
+      "newUrl":"https://pad.hacknang.de/test"
+   },
+   {
+      "oldUrl":"https://md.margau.net/test3",
+      "newUrl":"https://pad.hacknang.de/test2"
+   }
+]