WIP - fix displaying name for owner field

backend/src/models/user.model.ts

@@ -1,4 +1,5 @@
 import { BaseModel } from './base.model';
+import { ModelOptions, QueryContext } from 'objection';
 
 export class User extends BaseModel {
   static tableName = 'users';
@@ -8,6 +9,8 @@ export class User extends BaseModel {
   password: string;
   firstName?: string;
   lastName?: string;
+  alias?: string;
+  name?: string;
   isActive: boolean;
   createdAt: Date;
   updatedAt: Date;
@@ -22,11 +25,37 @@ export class User extends BaseModel {
         password: { type: 'string' },
         firstName: { type: 'string' },
         lastName: { type: 'string' },
+        alias: { type: 'string' },
+        name: { type: 'string' },
         isActive: { type: 'boolean' },
       },
     };
   }
 
+  /**
+   * Compute the `name` column before insert/update so lookup fields
+   * referencing User.name always have a value.
+   */
+  private computeName() {
+    if (this.alias) {
+      this.name = this.alias;
+    } else if (this.firstName || this.lastName) {
+      this.name = [this.firstName, this.lastName].filter(Boolean).join(' ');
+    } else if (this.email) {
+      this.name = this.email;
+    }
+  }
+
+  $beforeInsert(queryContext: QueryContext) {
+    super.$beforeInsert(queryContext);
+    this.computeName();
+  }
+
+  $beforeUpdate(opt: ModelOptions, queryContext: QueryContext) {
+    super.$beforeUpdate(opt, queryContext);
+    this.computeName();
+  }
+
   static get relationMappings() {
     const { UserRole } = require('./user-role.model');
     const { Role } = require('./role.model');