export data in csv with rows and comments

src/app/pages/poll-display/poll-display.component.ts

@@ -31,7 +31,7 @@ export class PollDisplayComponent extends BaseComponent implements OnInit {
 
     ngOnInit() {
 
-
+        this.config.exportCSV();
     }
 
 

src/app/services/config.service.ts

@@ -601,19 +601,70 @@ export class ConfigService extends PollConfig {
     exportCSV() {
 
 
-        const rows = [
-            ["name1", "city1", "some other info"],
-            ["name2", "city2", "more info"]
+        let rows = [];
+        let now = new Date();
+        const headers = [
+            ['export de sondage Framadate ', this.customUrl],
+            ['le', now.toISOString()],
+            [this.currentPoll.pollId, this.currentPoll.title, this.customUrl, this.creationDate],
+            ['pseudo']];
+
+
+        let listOfChoices = ['choices : '];
+        this.currentPoll.choices.map(choice => {
+            listOfChoices.push(choice.text)
+        });
+        listOfChoices.push('pseudo');
+
+        this.currentPoll.stacks.map(voteStack => {
+            let voteStackInArray = [voteStack.pseudo];
+            let keysVotes = Object.keys(voteStack.votes);
+
+            keysVotes.map(id => {
+                voteStackInArray.push(voteStack.votes[id].value ? voteStack.votes[id].value : "")
+            });
+            rows.push(
+                voteStackInArray
+            );
+        });
+        const headersComments = [
+            ['comments'],
+            ['pseudo', 'text', 'creation_date'],
         ];
+        const comments = [];
+        this.currentPoll.comments.map(item => {
+            comments.push(
+                [item.pseudo,
+                    item.text,
+                    item.date.date,
+                    '\n']
+            )
+        });
+        headers.push(listOfChoices);
+        rows = [headers, listOfChoices, rows, headersComments, comments];
+
+        let convertedCsv = rows.map(elem => {
+            console.log('elem', elem)
+            return elem.map(item => {
+                console.log('item', item);
+                if (typeof item === typeof Array) {
+                    return item.join('\n')
+                }
+                return item;
+            }).join('\n')
+        }).join('\n');
+        console.log('rows', rows);
+        console.log('convertedCsv', convertedCsv);
 
         let csvContent = "data:text/csv;charset=utf-8,"
-            + rows.map(e => e.join(",")).join("\n");
+            + convertedCsv;
+        console.log('csvContent', csvContent)
         var encodedUri = encodeURI(csvContent);
         var link = document.createElement("a");
         link.setAttribute("href", encodedUri);
-        link.setAttribute("download", this.makeSlug() + "_export_" + new Date() + ".csv");
+        let exportFileName = (this.urlPublic ? this.urlPublic : this.makeSlug()) + "_export_" + new Date() + ".csv";
+        link.setAttribute("download", exportFileName);
         document.body.appendChild(link); // Required for FF
-        this.todo();
         link.click(); // This will download the data file named "my_data.csv".
     }