fix: relations media links with models.

server/src/database/migrations/20200503032011_create_media_links_table.js

@@ -3,7 +3,7 @@ exports.up = function(knex) {
   return knex.schema.createTable('media_links', table => {
     table.increments();
     table.string('model_name').index();
-    table.integer('media_id').unsigned().index();
+    table.integer('media_id').unsigned().references('id').inTable('media');
     table.integer('model_id').unsigned().index();
   })
 };

server/src/models/Expense.js

@@ -103,6 +103,9 @@ export default class Expense extends TenantModel {
           },
           to: 'media.id',
         },
+        filter(query) {
+          query.where('model_name', 'Expense');
+        }
       },
     };
   }

server/src/models/ManualJournal.js

@@ -46,6 +46,9 @@ export default class ManualJournal extends TenantModel {
             to: 'media_links.media_id',
           },
           to: 'media.id',
+        },
+        filter(query) {
+          query.where('model_name', 'ManualJournal');
         }
       }
     };