Adds group configuration

source/Groups/GroupConfigurationHandler.ts

@@ -0,0 +1,68 @@
+import {RuntimeGroupConfiguration} from "./RuntimeGroupConfiguration";
+import {GroupConfigurationRepository} from "../Repositories/GroupConfigurationRepository";
+import {GroupModel} from "../Models/GroupModel";
+import {GroupConfigurationResult, GroupConfigurationTransformers} from "./GroupConfigurationTransformers";
+// @ts-ignore
+import setPath from 'object-path-set';
+import deepmerge from "deepmerge";
+import {Nullable} from "../types/Nullable";
+
+export class GroupConfigurationHandler {
+    private static DEFAULT_CONFIGURATION: RuntimeGroupConfiguration = {
+        channels: null,
+        locale: new Intl.Locale('en-GB'),
+    }
+    
+    private readonly transformers: GroupConfigurationTransformers = new GroupConfigurationTransformers();
+    
+    constructor(
+        private readonly repository: GroupConfigurationRepository,
+        private readonly group: GroupModel
+    ) {    }
+
+
+    public saveConfiguration(path: string, value: string): void {
+        const configuration = this.repository.findConfigurationByPath(this.group, path);
+        
+        if (configuration) {
+            this.repository.update(
+                {
+                    ...configuration,
+                    value: value
+                }
+            )
+            return;
+        }
+        
+        this.repository.create({
+            group: this.group,
+            key: path,
+            value: value,
+        });
+    }
+    
+    public getConfiguration(): RuntimeGroupConfiguration {
+        return deepmerge(GroupConfigurationHandler.DEFAULT_CONFIGURATION, this.getDatabaseConfiguration());
+    }
+    
+    public getConfigurationByPath(path: string): Nullable<GroupConfigurationResult> {
+        const configuration = this.repository.findConfigurationByPath(this.group, path);
+        if (!configuration) {
+            return null;
+        }
+
+        return this.transformers.getValue(configuration);
+    }
+    
+    private getDatabaseConfiguration(): Partial<RuntimeGroupConfiguration> {
+        const values = this.repository.findGroupConfigurations(this.group);
+        const configuration: Partial<RuntimeGroupConfiguration> = {};
+        
+        values.forEach((configValue) => {
+            const value = this.transformers.getValue(configValue);
+            setPath(configuration, configValue.key, value);
+        })
+        
+        return configuration;
+    }
+}