Fix: Impersonate user can now export Excel/CSV/TSV/JSON.

Impersonate user and export Excel/CSV/TSV/JSON is now logged into
database table impersonatedUsers.

Thanks to xet7 !

Fixes #3827,
fixes #3284

models/exporter.js

@@ -38,7 +38,7 @@ export class Exporter {
     // [Old] for attachments we only export IDs and absolute url to original doc
     // [New] Encode attachment to base64
 
-    const getBase64Data = function(doc, callback) {
+    const getBase64Data = function (doc, callback) {
       let buffer = Buffer.allocUnsafe(0);
       buffer.fill(0);
 
@@ -49,14 +49,14 @@ export class Exporter {
       );
       const tmpWriteable = fs.createWriteStream(tmpFile);
       const readStream = doc.createReadStream();
-      readStream.on('data', function(chunk) {
+      readStream.on('data', function (chunk) {
         buffer = Buffer.concat([buffer, chunk]);
       });
 
-      readStream.on('error', function() {
+      readStream.on('error', function () {
         callback(null, null);
       });
-      readStream.on('end', function() {
+      readStream.on('end', function () {
         // done
         fs.unlink(tmpFile, () => {
           //ignored
@@ -72,7 +72,7 @@ export class Exporter {
       : byBoard;
     result.attachments = Attachments.find(byBoardAndAttachment)
       .fetch()
-      .map(attachment => {
+      .map((attachment) => {
         let filebase64 = null;
         filebase64 = getBase64DataSync(attachment);
 
@@ -105,7 +105,7 @@ export class Exporter {
     result.subtaskItems = [];
     result.triggers = [];
     result.actions = [];
-    result.cards.forEach(card => {
+    result.cards.forEach((card) => {
       result.checklists.push(
         ...Checklists.find({
           cardId: card._id,
@@ -122,7 +122,7 @@ export class Exporter {
         }).fetch(),
       );
     });
-    result.rules.forEach(rule => {
+    result.rules.forEach((rule) => {
       result.triggers.push(
         ...Triggers.find(
           {
@@ -146,27 +146,27 @@ export class Exporter {
     // 1- only exports users that are linked somehow to that board
     // 2- do not export any sensitive information
     const users = {};
-    result.members.forEach(member => {
+    result.members.forEach((member) => {
       users[member.userId] = true;
     });
-    result.lists.forEach(list => {
+    result.lists.forEach((list) => {
       users[list.userId] = true;
     });
-    result.cards.forEach(card => {
+    result.cards.forEach((card) => {
       users[card.userId] = true;
       if (card.members) {
-        card.members.forEach(memberId => {
+        card.members.forEach((memberId) => {
           users[memberId] = true;
         });
       }
     });
-    result.comments.forEach(comment => {
+    result.comments.forEach((comment) => {
       users[comment.userId] = true;
     });
-    result.activities.forEach(activity => {
+    result.activities.forEach((activity) => {
       users[activity.userId] = true;
     });
-    result.checklists.forEach(checklist => {
+    result.checklists.forEach((checklist) => {
       users[checklist.userId] = true;
     });
     const byUserIds = {
@@ -187,7 +187,7 @@ export class Exporter {
     };
     result.users = Users.find(byUserIds, userFields)
       .fetch()
-      .map(user => {
+      .map((user) => {
         // user avatar is stored as a relative url, we export absolute
         if ((user.profile || {}).avatarUrl) {
           user.profile.avatarUrl = FlowRouter.url(user.profile.avatarUrl);
@@ -259,14 +259,14 @@ export class Exporter {
     );
     const customFieldMap = {};
     let i = 0;
-    result.customFields.forEach(customField => {
+    result.customFields.forEach((customField) => {
       customFieldMap[customField._id] = {
         position: i,
         type: customField.type,
       };
       if (customField.type === 'dropdown') {
         let options = '';
-        customField.settings.dropdownItems.forEach(item => {
+        customField.settings.dropdownItems.forEach((item) => {
           options = options === '' ? item.name : `${`${options}/${item.name}`}`;
         });
         columnHeaders.push(
@@ -308,7 +308,7 @@ export class Exporter {
     TAPi18n.__('archived'),
     */
 
-    result.cards.forEach(card => {
+    result.cards.forEach((card) => {
       const currentRow = [];
       currentRow.push(card.title);
       currentRow.push(card.description);
@@ -324,19 +324,19 @@ export class Exporter {
       currentRow.push(card.requestedBy ? card.requestedBy : ' ');
       currentRow.push(card.assignedBy ? card.assignedBy : ' ');
       let usernames = '';
-      card.members.forEach(memberId => {
+      card.members.forEach((memberId) => {
         const user = result.users.find(({ _id }) => _id === memberId);
         usernames = `${usernames + user.username} `;
       });
       currentRow.push(usernames.trim());
       let assignees = '';
-      card.assignees.forEach(assigneeId => {
+      card.assignees.forEach((assigneeId) => {
         const user = result.users.find(({ _id }) => _id === assigneeId);
         assignees = `${assignees + user.username} `;
       });
       currentRow.push(assignees.trim());
       let labels = '';
-      card.labelIds.forEach(labelId => {
+      card.labelIds.forEach((labelId) => {
         const label = result.labels.find(({ _id }) => _id === labelId);
         labels = `${labels + label.name}-${label.color} `;
       });
@@ -354,11 +354,11 @@ export class Exporter {
       if (card.vote && card.vote.question !== '') {
         let positiveVoters = '';
         let negativeVoters = '';
-        card.vote.positive.forEach(userId => {
+        card.vote.positive.forEach((userId) => {
           const user = result.users.find(({ _id }) => _id === userId);
           positiveVoters = `${positiveVoters + user.username} `;
         });
-        card.vote.negative.forEach(userId => {
+        card.vote.negative.forEach((userId) => {
           const user = result.users.find(({ _id }) => _id === userId);
           negativeVoters = `${negativeVoters + user.username} `;
         });
@@ -378,12 +378,11 @@ export class Exporter {
       currentRow.push(card.archived ? 'true' : 'false');
       //Custom fields
       const customFieldValuesToPush = new Array(result.customFields.length);
-      card.customFields.forEach(field => {
+      card.customFields.forEach((field) => {
         if (field.value !== null) {
           if (customFieldMap[field._id].type === 'date') {
-            customFieldValuesToPush[
-              customFieldMap[field._id].position
-            ] = moment(field.value).format();
+            customFieldValuesToPush[customFieldMap[field._id].position] =
+              moment(field.value).format();
           } else if (customFieldMap[field._id].type === 'dropdown') {
             const dropdownOptions = result.customFields.find(
               ({ _id }) => _id === field._id,
@@ -391,9 +390,8 @@ export class Exporter {
             const fieldValue = dropdownOptions.find(
               ({ _id }) => _id === field.value,
             ).name;
-            customFieldValuesToPush[
-              customFieldMap[field._id].position
-            ] = fieldValue;
+            customFieldValuesToPush[customFieldMap[field._id].position] =
+              fieldValue;
           } else {
             customFieldValuesToPush[customFieldMap[field._id].position] =
               field.value;