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(core) tolerate table renames when displaying differences

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Summary:
This makes data diff rendering robust to changes in the names of tables.
It does not yet show information about those changes, but at least it
won't fail to show table content changes.

Added a missing case to ActionSummary concatenation that came up in
testing.

Test Plan: added test, updated test

Reviewers: dsagal

Reviewed By: dsagal

Differential Revision: https://phab.getgrist.com/D2661
This commit is contained in:
Paul Fitzpatrick
2020-11-12 10:35:15 -05:00
parent 6b582b9ace
commit f1842cd89e
4 changed files with 51 additions and 12 deletions
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33
app/client/models/DataTableModelWithDiff.ts
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@@ -5,7 +5,7 @@ import { TableRec } from 'app/client/models/entities/TableRec';
import { TableQuerySets } from 'app/client/models/QuerySet';
import { RowGrouping, SortedRowSet } from 'app/client/models/rowset';
import { TableData } from 'app/client/models/TableData';
import { createEmptyTableDelta, TableDelta } from 'app/common/ActionSummary';
import { createEmptyTableDelta, getTableIdAfter, getTableIdBefore, TableDelta } from 'app/common/ActionSummary';
import { DisposableWithEvents } from 'app/common/DisposableWithEvents';
import { CellVersions, UserAction } from 'app/common/DocActions';
import { GristObjCode } from "app/common/gristTypes";
@@ -40,12 +40,15 @@ export class ExtraRows {
}
public constructor(readonly tableId: string, readonly comparison?: DocStateComparisonDetails) {
this.leftTableDelta = this.comparison?.leftChanges?.tableDeltas[this.tableId];
this.rightTableDelta = this.comparison?.rightChanges?.tableDeltas[this.tableId];
this.rightAddRows = new Set(this.rightTableDelta && this.rightTableDelta.addRows.map(id => -id*2));
this.rightRemoveRows = new Set(this.rightTableDelta && this.rightTableDelta.removeRows);
this.leftAddRows = new Set(this.leftTableDelta && this.leftTableDelta.addRows);
this.leftRemoveRows = new Set(this.leftTableDelta && this.leftTableDelta.removeRows.map(id => -id*2 -1));
const remoteTableId = getRemoteTableId(tableId, comparison);
this.leftTableDelta = this.comparison?.leftChanges?.tableDeltas[tableId];
if (remoteTableId) {
this.rightTableDelta = this.comparison?.rightChanges?.tableDeltas[remoteTableId];
}
this.rightAddRows = new Set(this.rightTableDelta?.addRows.map(id => -id*2));
this.rightRemoveRows = new Set(this.rightTableDelta?.removeRows);
this.leftAddRows = new Set(this.leftTableDelta?.addRows);
this.leftRemoveRows = new Set(this.leftTableDelta?.removeRows.map(id => -id*2 -1));
}
/**
@@ -98,10 +101,12 @@ export class DataTableModelWithDiff extends DisposableWithEvents implements Data
this.tableMetaRow = core.tableMetaRow;
this.tableQuerySets = core.tableQuerySets;
this.docModel = core.docModel;
const tableId = core.tableData.tableId;
const remoteTableId = getRemoteTableId(tableId, comparison) || '';
this.tableData = new TableDataWithDiff(
core.tableData,
comparison.leftChanges.tableDeltas[core.tableData.tableId] || createEmptyTableDelta(),
comparison.rightChanges.tableDeltas[core.tableData.tableId] || createEmptyTableDelta()) as any;
comparison.leftChanges.tableDeltas[tableId] || createEmptyTableDelta(),
comparison.rightChanges.tableDeltas[remoteTableId] || createEmptyTableDelta()) as any;
this.isLoaded = core.isLoaded;
this._wrappedModel = new DataTableModel(this.docModel, this.tableData, this.tableMetaRow);
}
@@ -244,3 +249,13 @@ function newValue(delta: CellDelta) {
if (delta[1] === '?') { return null; }
return delta[1]?.[0];
}
/**
* Figure out the id of the specified table in the remote document.
* Returns null if table is deleted or unknown in the remote document.
*/
function getRemoteTableId(tableId: string, comparison?: DocStateComparisonDetails) {
if (!comparison) { return tableId; }
const parentTableId = getTableIdBefore(comparison.leftChanges.tableRenames, tableId);
return getTableIdAfter(comparison.rightChanges.tableRenames, parentTableId);
}