dev(data-access): add owner object to app select

src/backend/src/modules/data-access/AppService.js

@@ -3,6 +3,8 @@ import { DB_READ } from '../../services/database/consts.js';
 import { Context } from '../../util/context.js';
 import AppRepository from './AppRepository.js';
 import { as_bool } from './lib/coercion.js';
+import { user_to_client } from './lib/filter.js';
+import { extract_from_prefix } from './lib/sqlutil.js';
 
 /**
  * AppService contains an instance using the repository pattern
@@ -43,7 +45,13 @@ export default class AppService extends BaseService {
 
         const userCanEditOnly = Array.prototype.includes.call(predicate, 'user-can-edit');
 
-        const stmt = `SELECT * FROM apps ${userCanEditOnly ? 'WHERE owner_user_id=?' : ''} LIMIT 5000`;
+        const stmt = 'SELECT *, ' +
+            'owner_user.username AS owner_user_username, ' +
+            'owner_user.uuid AS owner_user_uuid ' +
+            'FROM apps ' +
+            'LEFT JOIN user owner_user ON owner_user_id = owner_user.id ' +
+            `${userCanEditOnly ? 'WHERE owner_user_id=?' : ''} ` +
+            'LIMIT 5000';
         const values = userCanEditOnly ? [Context.get('user').id] : [];
         const rows = await db.read(stmt, values);
 
@@ -75,6 +83,11 @@ export default class AppService extends BaseService {
             // app.filetype_associations = row.filetype_associations;
             // app.owner = row.owner;
 
+            {
+                const owner_user = extract_from_prefix(row, 'owner_user_');
+                app.owner_user = user_to_client(owner_user);
+            }
+
             // REFINED BY OTHER DATA
             // app.icon;
 

src/backend/src/modules/data-access/lib/filter.js

@@ -0,0 +1,10 @@
+// These utility functions describe how to produce an object safe
+// for transfer that came from a "raw" object.
+
+export const user_to_client = raw_user => {
+    return {
+        username: raw_user.username,
+        // This `uuid` is not an internal-only ID.
+        uuid: raw_user.uuid,
+    };
+};

src/backend/src/modules/data-access/lib/sqlutil.js

@@ -0,0 +1,21 @@
+/**
+ * When columns are selected from a joined table and prefixed:
+ *
+ *   SELECT joined_table.* AS joined_table_
+ *
+ * This function is able to extract the object from the result:
+ *
+ * extract_from_prefix(row, 'joined_table_') // columns of joined_table
+ *
+ * @param {*} row
+ * @param {*} prefix
+ */
+export const extract_from_prefix = (row, prefix) => {
+    const result = {};
+    for ( const [key, value] of Object.entries(row) ) {
+        if ( key.startsWith(prefix) ) {
+            result[key.replace(prefix, '')] = value;
+        }
+    }
+    return result;
+};