Add a new filter method that filters for transfer/non-transfer transa…

…ctions

- Add new field to the views to denote whether a transaction is transfer
- Implement new filter method that uses the above field
- Fixes actualbudget#901

packages/desktop-client/src/components/accounts/Filters.js

@@ -45,6 +45,7 @@ let filterFields = [
   'category',
   'amount',
   'cleared',
+  'is_transfer',
 ].map(field => [field, mapField(field)]);
 
 function subfieldFromFilter({ field, options, value }) {

packages/loot-core/src/server/aql/schema/index.ts

@@ -49,6 +49,7 @@ export const schema = {
     cleared: f('boolean', { default: true }),
     tombstone: f('boolean'),
     schedule: f('id', { ref: 'schedules' }),
+    is_transfer: f('boolean'),
     // subtransactions is a special field added if the table has the
     // `splits: grouped` option
   },
@@ -270,6 +271,7 @@ export const schemaConfig = {
           category: `CASE WHEN _.isParent = 1 THEN NULL ELSE cm.transferId END`,
           amount: `IFNULL(_.amount, 0)`,
           parent_id: 'CASE WHEN _.isChild = 0 THEN NULL ELSE _.parent_id END',
+          is_transfer: 'CASE WHEN _.transferred_id is NULL THEN FALSE ELSE TRUE END'
         });
 
         return `

packages/loot-core/src/shared/rules.ts

@@ -37,6 +37,7 @@ export const FIELD_TYPES = new Map(
     category: 'id',
     account: 'id',
     cleared: 'boolean',
+    is_transfer: 'boolean',
   }),
 );
 
@@ -57,6 +58,8 @@ export function mapField(field, opts) {
       return 'amount (inflow)';
     case 'amount-outflow':
       return 'amount (outflow)';
+    case 'is_transfer':
+      return 'Transfer';
     default:
       return field;
   }