Adds group configuration

source/Repositories/Repository.ts

@@ -33,6 +33,30 @@ export class Repository<ModelType extends Model, IntermediateModelType = unknown
         return result.lastInsertRowid;
     }
     
+    public update(instance: Partial<ModelType>&{id: number}): boolean {
+        const columnNames = this.schema.columns.filter((column) => {
+            return !column.primaryKey
+        }).map((column) => {
+            return column.name;
+        });
+        
+        const createObject = this.convertToCreateObject(instance);
+        const keys = Object.keys(createObject);
+        const missingColumns = columnNames.filter((columnName) => {
+            return !keys.includes(columnName);
+        })
+
+        if (missingColumns.length > 0) {
+            throw new Error("Can't create instance, due to missing column values: " + missingColumns);
+        }
+
+        const sql = `UPDATE ${this.schema.name}
+                     SET ${Object.keys(createObject).map((key) => `${key} = ?`).join(',')}
+                     WHERE id = ?`;
+        const result = this.database.execute(sql, ...Object.values(createObject), instance.id);
+        return result.lastInsertRowid;
+    }
+    
     public getById(id: number): Nullable<ModelType> {
         const sql = `SELECT * FROM ${this.schema.name} WHERE id = ? LIMIT 1`;
         return this.convertToModelType(this.database.fetch<number, IntermediateModelType>(sql, id));