Рефакторинг - разделены провайдеры данных от виджетов с представлениями

libs/event-emitter/src/dashboards/dashboard.controller.ts

@@ -1,36 +1,45 @@
 import { Body, Controller, Get, Param, Post, Put } from '@nestjs/common';
 import { DashboardsService } from './dashboards.service';
 import { BadRequestErrorHandler, getOrAppErrorOrThrow } from '../utils/result';
+import { DashboardsDataService } from './dashboards-data.service';
 
 @Controller('dashboard')
 export class DashboardController {
-  constructor(private dashboardsService: DashboardsService) {}
+  constructor(
+    private dashboardsService: DashboardsService,
+    private dashboardsDataService: DashboardsDataService,
+  ) {}
 
-  @Post(':name')
+  @Post()
-  async create(@Param('name') name: string): Promise<string> {
+  async create(): Promise<string> {
-    if (name === 'anonymous') {
-      name = null;
-    }
     const res = await getOrAppErrorOrThrow(
-      () => this.dashboardsService.create(name),
+      () => this.dashboardsService.create(),
       BadRequestErrorHandler,
     );
     return res.id;
   }
 
-  @Get(':name')
+  @Get(':id')
-  async load(@Param('name') name: string): Promise<any> {
+  async load(@Param('id') id: string): Promise<any> {
     const res = await getOrAppErrorOrThrow(
-      () => this.dashboardsService.load(name),
+      () => this.dashboardsService.load(id),
       BadRequestErrorHandler,
     );
     return res;
   }
 
-  @Put(':name')
+  @Get(':id/load-data')
-  async save(@Param('name') name: string, @Body() data: any): Promise<void> {
+  async loadData(@Param('id') id: string): Promise<any> {
+    return await getOrAppErrorOrThrow(
+      () => this.dashboardsDataService.loadData(id),
+      BadRequestErrorHandler,
+    );
+  }
+
+  @Put(':id')
+  async save(@Param('id') id: string, @Body() data: any): Promise<void> {
     const res = await getOrAppErrorOrThrow(
-      () => this.dashboardsService.save(name, data),
+      () => this.dashboardsService.save(id, data),
       BadRequestErrorHandler,
     );
     return res;

libs/event-emitter/src/dashboards/dashboards-data.service.ts

@@ -0,0 +1,67 @@
+import { Injectable, Logger } from '@nestjs/common';
+import { DashboardsService } from './dashboards.service';
+import * as DashboardModel from '../models/dashboard';
+import {
+  AppError,
+  Result,
+  createAppError,
+  fail,
+  success,
+} from '../utils/result';
+import { WidgetsCollectionService } from './widgets-collection.service';
+
+export type WidgetWithData = {
+  widget: DashboardModel.Widget;
+  data: any;
+};
+
+@Injectable()
+export class DashboardsDataService {
+  private logger = new Logger(DashboardsDataService.name);
+
+  constructor(
+    private dashboardsService: DashboardsService,
+    private widgetsCollectionService: WidgetsCollectionService,
+  ) {}
+
+  async loadData(id: string): Promise<WidgetWithData[]> {
+    const cfg = await this.dashboardsService.load(id);
+    const results: WidgetWithData[] = [];
+    let isSuccess = false;
+    for (let i = 0; i < cfg.widgets.length; i++) {
+      const widget = cfg.widgets[i];
+      const loadRes = await this.loadWidgetData(
+        widget.type,
+        widget.widgetParams,
+        widget.dataLoaderParams,
+        cfg,
+      );
+      if (loadRes.result) {
+        isSuccess = true;
+        results.push({
+          widget: widget,
+          data: loadRes.result,
+        });
+      }
+    }
+    if (!isSuccess) throw createAppError('CANNOT_LOAD_DATA');
+    return results;
+  }
+
+  async loadWidgetData(
+    type: string,
+    widgetParams: DashboardModel.WidgetParams,
+    dataLoaderParams: DashboardModel.DataLoaderParams,
+    dashboardParams: DashboardModel.Data,
+  ): Promise<Result<any, AppError>> {
+    const widgetResult = this.widgetsCollectionService.getWidgetByType(type);
+    if (widgetResult.error) return fail(createAppError(widgetResult.error));
+    const widget = widgetResult.result;
+    const renderResult = await widget.render(
+      widgetParams,
+      dataLoaderParams,
+      dashboardParams,
+    );
+    return renderResult;
+  }
+}

libs/event-emitter/src/dashboards/dashboards.service.ts

@@ -1,9 +1,6 @@
 import { Injectable, Logger } from '@nestjs/common';
 import { Dashboards as DashboardsDb } from '../couchdb-datasources/dashboards';
-import {
+import * as DashboardModel from '../models/dashboard';
-  Dashboard as DashboardModel,
-  Data as DashboardData,
-} from '../models/dashboard';
 import nano from 'nano';
 import { randomUUID } from 'crypto';
 import { createAppError } from '../utils/result';
@@ -14,58 +11,56 @@ export class DashboardsService {
 
   constructor(private db: DashboardsDb) {}
 
-  async create(name?: string): Promise<DashboardModel> {
+  async create(): Promise<DashboardModel.Dashboard> {
-    if (!name) {
+    const id = randomUUID();
-      name = randomUUID();
+    this.logger.debug(`Create new dashboard with id - ${id}`);
-    }
+    if (await this.isExists(id)) {
-    this.logger.debug(`Create new dashboard with name - ${name}`);
-    if (await this.isExists(name)) {
       const err = createAppError('ALREADY_EXISTS');
       this.logger.error(`Error - ${JSON.stringify(err)}`);
       throw err;
     }
     const ds = await this.db.getDatasource();
-    const doc: nano.MaybeDocument & DashboardModel = {
+    const doc: nano.MaybeDocument & DashboardModel.Dashboard = {
-      _id: name,
+      _id: id,
-      id: name,
+      id: id,
       data: null,
     };
     await ds.insert(doc);
-    return await ds.get(name);
+    return await ds.get(id);
   }
 
   async loadRawData(
-    name: string,
+    id: string,
-  ): Promise<DashboardModel & nano.MaybeDocument> {
+  ): Promise<DashboardModel.Dashboard & nano.MaybeDocument> {
-    this.logger.debug(`Load raw data, dashboard name - ${name}`);
+    this.logger.debug(`Load raw data, dashboard id - ${id}`);
     const ds = await this.db.getDatasource();
-    if (!(await this.isExists(name))) throw createAppError('NOT_EXISTS');
+    if (!(await this.isExists(id))) throw createAppError('NOT_EXISTS');
-    const res = await ds.get(name);
+    const res = await ds.get(id);
     return res;
   }
 
-  async load(name: string): Promise<DashboardData> {
+  async load(id: string): Promise<DashboardModel.Data> {
-    this.logger.debug(`Load dashboard name - ${name}`);
+    this.logger.debug(`Load dashboard id - ${id}`);
-    const rawData = await this.loadRawData(name);
+    const rawData = await this.loadRawData(id);
     return rawData.data;
   }
 
-  async isExists(name: string): Promise<boolean> {
+  async isExists(id: string): Promise<boolean> {
     const ds = await this.db.getDatasource();
     try {
-      await ds.get(name);
+      await ds.get(id);
       return true;
     } catch (ex) {
       return false;
     }
   }
 
-  async save(name: string, data: any): Promise<void> {
+  async save(id: string, data: DashboardModel.Data): Promise<void> {
     this.logger.debug(
-      `Save dashboard name - ${name}, data - ${JSON.stringify(data)}`,
+      `Save dashboard id - ${id}, data - ${JSON.stringify(data)}`,
     );
     const ds = await this.db.getDatasource();
-    const prevValue = await this.loadRawData(name);
+    const prevValue = await this.loadRawData(id);
 
     const newValue = {
       _id: prevValue._id,

libs/event-emitter/src/dashboards/interactive-widget-factory.ts

@@ -0,0 +1,28 @@
+import { Result, AppError } from '../utils/result';
+import { WidgetDataLoaderInterface } from './widget-data-loader-interface';
+import { WidgetInterface } from './widget-interface';
+
+export class InteractiveWidget
+  implements WidgetInterface<any, any, any, any, any>
+{
+  constructor(
+    public dataLoader: WidgetDataLoaderInterface<any, any, any>,
+    public type: string,
+  ) {}
+
+  async render(
+    widgetParams: any,
+    dataLoaderParams: any,
+    dashboardParams: any,
+  ): Promise<Result<any, AppError>> {
+    const data = await this.dataLoader.load(dataLoaderParams, dashboardParams);
+    return data;
+  }
+}
+
+export function createInteractiveWidget(
+  dataLoader: WidgetDataLoaderInterface<any, any, any>,
+  type: string,
+): WidgetInterface<any, any, any, any, any> {
+  return new InteractiveWidget(dataLoader, type);
+}

libs/event-emitter/src/dashboards/text-widget-factory.ts

@@ -0,0 +1,35 @@
+import { Result, AppError, success } from '../utils/result';
+import { WidgetDataLoaderInterface } from './widget-data-loader-interface';
+import { WidgetInterface } from './widget-interface';
+import Handlebars from 'handlebars';
+
+export class TextWidget implements WidgetInterface<any, any, any, any, any> {
+  constructor(
+    public dataLoader: WidgetDataLoaderInterface<any, any, any>,
+    public type: string,
+    public template: string,
+  ) {}
+
+  async render(
+    widgetParams: any,
+    dataLoaderParams: any,
+    dashboardParams: any,
+  ): Promise<Result<any, AppError>> {
+    const params = {
+      widgetParams,
+      dataLoaderParams,
+      dashboardParams,
+    };
+    const template = Handlebars.compile(this.template);
+    const res = template(params);
+    return success(res);
+  }
+}
+
+export function createTextWidget(
+  dataLoader: WidgetDataLoaderInterface<any, any, any>,
+  type: string,
+  template: string,
+): WidgetInterface<any, any, any, any, any> {
+  return new TextWidget(dataLoader, type, template);
+}

libs/event-emitter/src/dashboards/widget-data-loader-interface.ts

@@ -0,0 +1,9 @@
+import { AppError, Result } from '../utils/result';
+
+export interface WidgetDataLoaderInterface<DLP, DBP, R> {
+  isMyConfig(dataLoaderParams: DLP): boolean;
+  load(
+    dataLoaderParams: DLP,
+    dashboardParams: DBP,
+  ): Promise<Result<R, AppError>>;
+}

libs/event-emitter/src/dashboards/widget-data-loader/list-issues-by-fields.widget-data-loader.service.ts

@@ -12,8 +12,14 @@ import { GetValueFromObjectByKey } from '@app/event-emitter/utils/get-value-from
 import { TreeIssuesStore } from '@app/event-emitter/utils/tree-issues-store';
 import { Injectable, Logger } from '@nestjs/common';
 import nano from 'nano';
-import { WidgetInterface } from '../widget-interface';
 import * as PriorityStylesEnhancerNs from '@app/event-emitter/issue-enhancers/priority-styles-enhancer';
+import { WidgetDataLoaderInterface } from '../widget-data-loader-interface';
+import {
+  AppError,
+  Result,
+  createAppError,
+  success,
+} from '@app/event-emitter/utils/result';
 
 export namespace ListIssuesByFieldsWidgetNs {
   export type Params = {
@@ -34,10 +40,10 @@ export namespace ListIssuesByFieldsWidgetNs {
 type Params = ListIssuesByFieldsWidgetNs.Params;
 
 @Injectable()
-export class ListIssuesByFieldsWidgetService
+export class ListIssuesByFieldsWidgetDataLoaderService
-  implements WidgetInterface<Params, any, any>
+  implements WidgetDataLoaderInterface<Params, any, any>
 {
-  private logger = new Logger(ListIssuesByFieldsWidgetService.name);
+  private logger = new Logger(ListIssuesByFieldsWidgetDataLoaderService.name);
   private issuesLoader: IssuesServiceNs.IssuesLoader;
 
   constructor(
@@ -52,7 +58,7 @@ export class ListIssuesByFieldsWidgetService
     return true;
   }
 
-  async render(widgetParams: Params): Promise<any> {
+  async load(widgetParams: Params): Promise<Result<any, AppError>> {
     let store: FlatIssuesStore;
     if (widgetParams.fromRootIssueId) {
       store = await this.getListFromRoot(widgetParams.fromRootIssueId);
@@ -61,7 +67,7 @@ export class ListIssuesByFieldsWidgetService
     } else {
       const errMsg = `Wrong widgetParams value`;
       this.logger.error(errMsg);
-      throw new Error(errMsg);
+      return fail(createAppError(errMsg));
     }
     await store.enhanceIssues([
       this.timePassedHighlightEnhancer,
@@ -87,7 +93,7 @@ export class ListIssuesByFieldsWidgetService
         return a.metainfo.title.localeCompare(b.metainfo.title);
       });
     }
-    return res;
+    return success(res);
   }
 
   private async getListFromRoot(issueId: number): Promise<FlatIssuesStore> {

libs/event-emitter/src/dashboards/widget-data-loader/list-issues-by-users-like-jira.widget-data-loader.service.ts

@@ -11,8 +11,14 @@ import { GetValueFromObjectByKey } from '@app/event-emitter/utils/get-value-from
 import { TreeIssuesStore } from '@app/event-emitter/utils/tree-issues-store';
 import { Injectable, Logger } from '@nestjs/common';
 import nano from 'nano';
-import { WidgetInterface } from '../widget-interface';
 import * as PriorityStylesEnhancerNs from '@app/event-emitter/issue-enhancers/priority-styles-enhancer';
+import { WidgetDataLoaderInterface } from '../widget-data-loader-interface';
+import {
+  AppError,
+  Result,
+  createAppError,
+  success,
+} from '@app/event-emitter/utils/result';
 
 export namespace ListIssuesByUsersLikeJiraWidgetNs {
   export namespace Models {
@@ -29,15 +35,17 @@ export namespace ListIssuesByUsersLikeJiraWidgetNs {
 type Params = ListIssuesByUsersLikeJiraWidgetNs.Models.Params;
 
 @Injectable()
-export class ListIssuesByUsersLikeJiraWidgetService
+export class ListIssuesByUsersLikeJiraWidgetDataLoaderService
-  implements WidgetInterface<Params, any, any>
+  implements WidgetDataLoaderInterface<Params, any, any>
 {
-  private logger = new Logger(ListIssuesByUsersLikeJiraWidgetService.name);
+  private logger = new Logger(
+    ListIssuesByUsersLikeJiraWidgetDataLoaderService.name,
+  );
   private issuesLoader: IssuesServiceNs.IssuesLoader;
 
   constructor(
-    private issuesService: IssuesService,
     private timePassedHighlightEnhancer: TimePassedHighlightEnhancer,
+    private issuesService: IssuesService,
     private issueUrlEnhancer: IssueUrlEnhancer,
   ) {
     this.issuesLoader = this.issuesService.createDynamicIssuesLoader();
@@ -47,7 +55,7 @@ export class ListIssuesByUsersLikeJiraWidgetService
     return true;
   }
 
-  async render(widgetParams: Params): Promise<any> {
+  async load(widgetParams: Params): Promise<Result<any, AppError>> {
     let store: FlatIssuesStore;
     if (widgetParams.fromRootIssueId) {
       store = await this.getListFromRoot(widgetParams.fromRootIssueId);
@@ -56,7 +64,7 @@ export class ListIssuesByUsersLikeJiraWidgetService
     } else {
       const errMsg = `Wrong widgetParams value`;
       this.logger.error(errMsg);
-      throw new Error(errMsg);
+      return fail(createAppError(errMsg));
     }
     await store.enhanceIssues([
       this.timePassedHighlightEnhancer,
@@ -92,7 +100,7 @@ export class ListIssuesByUsersLikeJiraWidgetService
         return a.metainfo.title.localeCompare(b.metainfo.title);
       });
     }
-    return res;
+    return success(res);
   }
 
   private async getListFromRoot(issueId: number): Promise<FlatIssuesStore> {

libs/event-emitter/src/dashboards/widget-data-loader/list-issues-by-users.widget-data-loader.service.ts

@@ -12,8 +12,14 @@ import { GetValueFromObjectByKey } from '@app/event-emitter/utils/get-value-from
 import { TreeIssuesStore } from '@app/event-emitter/utils/tree-issues-store';
 import { Injectable, Logger } from '@nestjs/common';
 import nano from 'nano';
-import { WidgetInterface } from '../widget-interface';
 import * as PriorityStylesEnhancerNs from '@app/event-emitter/issue-enhancers/priority-styles-enhancer';
+import { WidgetDataLoaderInterface } from '../widget-data-loader-interface';
+import {
+  AppError,
+  Result,
+  createAppError,
+  success,
+} from '@app/event-emitter/utils/result';
 
 export namespace ListIssuesByUsersWidgetNs {
   export namespace Models {
@@ -41,10 +47,10 @@ type ExtendedIssue = RedmineTypes.Issue & Record<string, any>;
 type FindResult = ListIssuesByUsersWidgetNs.Models.FindResult;
 
 @Injectable()
-export class ListIssuesByUsersWidgetService
+export class ListIssuesByUsersWidgetDataLoaderService
-  implements WidgetInterface<Params, any, any>
+  implements WidgetDataLoaderInterface<Params, any, any>
 {
-  private logger = new Logger(ListIssuesByUsersWidgetService.name);
+  private logger = new Logger(ListIssuesByUsersWidgetDataLoaderService.name);
   private issuesLoader: IssuesServiceNs.IssuesLoader;
 
   constructor(
@@ -59,7 +65,7 @@ export class ListIssuesByUsersWidgetService
     return true;
   }
 
-  async render(widgetParams: Params): Promise<any> {
+  async load(widgetParams: Params): Promise<Result<any, AppError>> {
     let store: FlatIssuesStore;
     if (widgetParams.fromRootIssueId) {
       store = await this.getListFromRoot(widgetParams.fromRootIssueId);
@@ -68,7 +74,7 @@ export class ListIssuesByUsersWidgetService
     } else {
       const errMsg = `Wrong widgetParams value`;
       this.logger.error(errMsg);
-      throw new Error(errMsg);
+      return fail(createAppError(errMsg));
     }
     await store.enhanceIssues([
       this.timePassedHighlightEnhancer,
@@ -95,7 +101,7 @@ export class ListIssuesByUsersWidgetService
         return a.metainfo.title.localeCompare(b.metainfo.title);
       });
     }
-    return res;
+    return success(res);
   }
 
   private async getListFromRoot(issueId: number): Promise<FlatIssuesStore> {

libs/event-emitter/src/dashboards/widget-data-loader/root-issue-subtrees.widget-data-loader.service.ts

@@ -11,8 +11,9 @@ import {
   TreeIssuesStoreNs,
 } from '@app/event-emitter/utils/tree-issues-store';
 import { Injectable } from '@nestjs/common';
-import { WidgetInterface } from '../widget-interface';
 import * as PriorityStylesEnhancerNs from '@app/event-emitter/issue-enhancers/priority-styles-enhancer';
+import { WidgetDataLoaderInterface } from '../widget-data-loader-interface';
+import { AppError, Result, success } from '@app/event-emitter/utils/result';
 
 export namespace RootIssueSubTreesWidgetNs {
   export namespace Models {
@@ -39,8 +40,8 @@ export namespace RootIssueSubTreesWidgetNs {
 type Params = RootIssueSubTreesWidgetNs.Models.Params;
 
 @Injectable()
-export class RootIssueSubTreesWidgetService
+export class RootIssueSubTreesWidgetDataLoaderService
-  implements WidgetInterface<Params, any, any>
+  implements WidgetDataLoaderInterface<Params, any, any>
 {
   private issuesLoader: IssuesServiceNs.IssuesLoader;
 
@@ -56,7 +57,7 @@ export class RootIssueSubTreesWidgetService
     return true;
   }
 
-  async render(widgetParams: Params): Promise<any> {
+  async load(widgetParams: Params): Promise<Result<any, AppError>> {
     const treeStore = new TreeIssuesStore();
     const rootIssue = await this.issuesService.getIssue(
       widgetParams.rootIssueId,
@@ -89,11 +90,12 @@ export class RootIssueSubTreesWidgetService
         }
       }
     }
-    return stories.map((s) => {
+    const res = stories.map((s) => {
       return {
         data: s.store.groupByStatus(widgetParams.statuses),
         metainfo: s.metainfo,
       };
     });
+    return success(res);
   }
 }

libs/event-emitter/src/dashboards/widget-interface.ts

@@ -0,0 +1,19 @@
+import { AppError, Result } from '../utils/result';
+import { WidgetDataLoaderInterface } from './widget-data-loader-interface';
+
+/**
+ * - WP - widget params
+ * - DLP - dataloader params
+ * - DBP - dashboard params
+ * - DLR - dataloader result
+ * - R - result
+ */
+export interface WidgetInterface<WP, DLP, DBP, DLR, R> {
+  dataLoader: WidgetDataLoaderInterface<DLP, DBP, DLR>;
+  type: string;
+  render(
+    widgetParams: WP,
+    dataLoaderParams: DLP,
+    dashboardParams: DBP,
+  ): Promise<Result<R, AppError>>;
+}

libs/event-emitter/src/dashboards/widgets-collection.service.ts

@@ -0,0 +1,68 @@
+import { Injectable } from '@nestjs/common';
+import { WidgetInterface } from './widget-interface';
+import { ListIssuesByFieldsWidgetDataLoaderService } from './widget-data-loader/list-issues-by-fields.widget-data-loader.service';
+import { ListIssuesByUsersLikeJiraWidgetDataLoaderService } from './widget-data-loader/list-issues-by-users-like-jira.widget-data-loader.service';
+import { RootIssueSubTreesWidgetDataLoaderService } from './widget-data-loader/root-issue-subtrees.widget-data-loader.service';
+import { createInteractiveWidget } from './interactive-widget-factory';
+import { Result, success } from '@app/event-emitter/utils/result';
+
+@Injectable()
+export class WidgetsCollectionService {
+  collection: WidgetInterface<any, any, any, any, any>[] = [];
+
+  constructor(
+    private listIssuesByFieldsWidgetDataLoaderService: ListIssuesByFieldsWidgetDataLoaderService,
+    private listIssuesByUsersLikeJiraWidgetDataLoaderService: ListIssuesByUsersLikeJiraWidgetDataLoaderService,
+    private rootIssueSubTreesWidgetDataLoaderService: RootIssueSubTreesWidgetDataLoaderService,
+  ) {
+    const collection = [
+      createInteractiveWidget(
+        this.listIssuesByFieldsWidgetDataLoaderService,
+        'kanban_by_fields',
+      ),
+      createInteractiveWidget(
+        this.listIssuesByUsersLikeJiraWidgetDataLoaderService,
+        'kanban_by_users',
+      ),
+      createInteractiveWidget(
+        this.rootIssueSubTreesWidgetDataLoaderService,
+        'kanban_by_tree',
+      ),
+      createInteractiveWidget(
+        this.listIssuesByFieldsWidgetDataLoaderService,
+        'issues_list_by_fields',
+      ),
+      createInteractiveWidget(
+        this.listIssuesByUsersLikeJiraWidgetDataLoaderService,
+        'issues_list_by_users',
+      ),
+      createInteractiveWidget(
+        this.rootIssueSubTreesWidgetDataLoaderService,
+        'issues_list_by_tree',
+      ),
+    ];
+
+    collection.forEach((w) => this.appendWidget(w));
+  }
+
+  appendWidget(
+    widget: WidgetInterface<any, any, any, any, any>,
+  ): Result<true, string> {
+    const type = widget.type;
+    const isExists = this.collection.find((w) => w.type === type);
+    if (isExists) return fail('WIDGET_WITH_SAME_TYPE_ALREADY_EXISTS');
+    this.collection.push(widget);
+    return success(true);
+  }
+
+  getWidgetTypes(): string[] {
+    return this.collection.map((w) => w.type);
+  }
+
+  getWidgetByType(
+    type: string,
+  ): Result<WidgetInterface<any, any, any, any, any>, string> {
+    const widget = this.collection.find((w) => w.type === type);
+    return widget ? success(widget) : fail('WIDGET_WITH_SAME_TYPE_NOT_FOUND');
+  }
+}

libs/event-emitter/src/event-emitter.module.ts

@@ -18,15 +18,10 @@ import { IssuesService } from './issues/issues.service';
 import { IssuesController } from './issues/issues.controller';
 import { TimestampEnhancer } from './issue-enhancers/timestamps-enhancer';
 import { EnhancerService } from './issue-enhancers/enhancer.service';
-import { ProjectDashboardService } from './project-dashboard/project-dashboard.service';
-import { RootIssueSubTreesWidgetService } from './project-dashboard/widgets/root-issue-subtrees.widget.service';
 import { DynamicLoader } from './configs/dynamic-loader';
 import { RedminePublicUrlConverter } from './converters/redmine-public-url.converter';
 import { IssueUrlEnhancer } from './issue-enhancers/issue-url-enhancer';
-import { ListIssuesByUsersWidgetService } from './project-dashboard/widgets/list-issues-by-users.widget.service';
-import { ListIssuesByUsersLikeJiraWidgetService } from './project-dashboard/widgets/list-issues-by-users-like-jira.widget.service';
 import { TimePassedHighlightEnhancer } from './issue-enhancers/time-passed-highlight-enhancer';
-import { ListIssuesByFieldsWidgetService } from './project-dashboard/widgets/list-issues-by-fields.widget.service';
 import { IssuesUpdaterService } from './issues-updater/issues-updater.service';
 import { CalendarEnhancer } from './issue-enhancers/calendar-enhancer';
 import { CalendarService } from './calendar/calendar.service';
@@ -34,6 +29,12 @@ import { CalendarController } from './calendar/calendar.controller';
 import { Dashboards as DashboardsDs } from './couchdb-datasources/dashboards';
 import { DashboardController } from './dashboards/dashboard.controller';
 import { DashboardsService } from './dashboards/dashboards.service';
+import { DashboardsDataService } from './dashboards/dashboards-data.service';
+import { RootIssueSubTreesWidgetDataLoaderService } from './dashboards/widget-data-loader/root-issue-subtrees.widget-data-loader.service';
+import { ListIssuesByUsersWidgetDataLoaderService } from './dashboards/widget-data-loader/list-issues-by-users.widget-data-loader.service';
+import { ListIssuesByUsersLikeJiraWidgetDataLoaderService } from './dashboards/widget-data-loader/list-issues-by-users-like-jira.widget-data-loader.service';
+import { ListIssuesByFieldsWidgetDataLoaderService } from './dashboards/widget-data-loader/list-issues-by-fields.widget-data-loader.service';
+import { WidgetsCollectionService } from './dashboards/widgets-collection.service';
 
 @Module({})
 export class EventEmitterModule implements OnModuleInit {
@@ -57,15 +58,14 @@ export class EventEmitterModule implements OnModuleInit {
         IssuesService,
         TimestampEnhancer,
         EnhancerService,
-        ProjectDashboardService,
+        RootIssueSubTreesWidgetDataLoaderService,
-        RootIssueSubTreesWidgetService,
         DynamicLoader,
         RedminePublicUrlConverter,
         IssueUrlEnhancer,
-        ListIssuesByUsersWidgetService,
+        ListIssuesByUsersWidgetDataLoaderService,
-        ListIssuesByUsersLikeJiraWidgetService,
+        ListIssuesByUsersLikeJiraWidgetDataLoaderService,
         TimePassedHighlightEnhancer,
-        ListIssuesByFieldsWidgetService,
+        ListIssuesByFieldsWidgetDataLoaderService,
         {
           provide: 'ISSUES_UPDATER_SERVICE',
           useFactory: (configService: ConfigService) => {
@@ -101,6 +101,8 @@ export class EventEmitterModule implements OnModuleInit {
           inject: ['CALENDAR_ENHANCER', IssuesService],
         },
         DashboardsService,
+        DashboardsDataService,
+        WidgetsCollectionService,
       ],
       exports: [
         EventEmitterService,
@@ -116,15 +118,14 @@ export class EventEmitterModule implements OnModuleInit {
         IssuesService,
         TimestampEnhancer,
         EnhancerService,
-        ProjectDashboardService,
+        RootIssueSubTreesWidgetDataLoaderService,
-        RootIssueSubTreesWidgetService,
         DynamicLoader,
         RedminePublicUrlConverter,
         IssueUrlEnhancer,
-        ListIssuesByUsersWidgetService,
+        ListIssuesByUsersWidgetDataLoaderService,
-        ListIssuesByUsersLikeJiraWidgetService,
+        ListIssuesByUsersLikeJiraWidgetDataLoaderService,
         TimePassedHighlightEnhancer,
-        ListIssuesByFieldsWidgetService,
+        ListIssuesByFieldsWidgetDataLoaderService,
         {
           provide: 'ISSUES_UPDATER_SERVICE',
           useExisting: 'ISSUES_UPDATER_SERVICE',
@@ -138,6 +139,8 @@ export class EventEmitterModule implements OnModuleInit {
           useExisting: 'CALENDAR_SERVICE',
         },
         DashboardsService,
+        DashboardsDataService,
+        WidgetsCollectionService,
       ],
       controllers: [
         MainController,

libs/event-emitter/src/models/dashboard.ts

@@ -1,6 +1,29 @@
-export type Data = Record<string, any> | null;
+export type Data = {
+  widgets: Widget[];
+  title: string;
+} | null;
 
 export type Dashboard = {
   id: string;
   data: Data;
 };
+
+/**
+ * Параметры для отрисовки данных
+ */
+export type WidgetParams = {
+  collapsed?: boolean;
+} & Record<string, any>;
+
+/**
+ * Параметры для загрузки данных
+ */
+export type DataLoaderParams = Record<string, any> | null;
+
+export type Widget = {
+  type: string;
+  id: string;
+  title: string;
+  widgetParams?: WidgetParams;
+  dataLoaderParams?: DataLoaderParams;
+};

libs/event-emitter/src/project-dashboard/project-dashboard.service.ts

@@ -1,152 +0,0 @@
-/* eslint-disable @typescript-eslint/no-namespace */
-import { Injectable } from '@nestjs/common';
-import { RedmineTypes } from '../models/redmine-types';
-
-export namespace ProjectDashboard {
-  export namespace Models {
-    export type Params = {
-      projectName: string;
-      workers: Worker[];
-      filter: FilterDefination[];
-      statuses: Status[];
-    };
-
-    export type Worker = {
-      id?: number;
-      firstname?: string;
-      lastname?: string;
-      name?: string;
-    };
-
-    export enum FilterTypes {
-      TREE = 'TREE',
-      LIST = 'LIST',
-      DYNAMIC_LIST = 'DYNAMIC_LIST',
-      VERSION = 'VERSION',
-    }
-
-    export namespace FilterParams {
-      export type Tree = {
-        rootIssueId: number;
-        subtrees: SubTree[];
-        showOthers: boolean;
-      };
-      export type SubTree = {
-        title: string;
-        issueId: number;
-      };
-      export type List = {
-        issueIds: number[];
-      };
-      export type Version = {
-        version: string;
-      };
-      export type DynamicList = {
-        selector: Record<string, any>;
-      };
-      export type AnyFilterParams = Tree | List | DynamicList | Version;
-    }
-
-    export type FilterParams = Record<string, any>;
-
-    export namespace FilterResults {
-      export type Tree = List;
-      export type List = { status: string; issues: RedmineTypes.Issue[] }[];
-      export type DynamicList = List;
-      export type Version = List;
-      export type AnyFilterResults = List | Tree | DynamicList | Version;
-    }
-
-    export type FilterResult = Record<string, any>[];
-
-    export type AnalyticFunction = {
-      functionName: string;
-    };
-
-    export type FilterDefination = {
-      type: FilterTypes;
-      title: string;
-      params: FilterParams.AnyFilterParams;
-    };
-
-    export type FilterWithResults = {
-      params: FilterDefination;
-      results: FilterResults.AnyFilterResults;
-    };
-
-    export type Status = {
-      name: string;
-      closed: boolean;
-    };
-  }
-
-  export function CheckWorker(worker: Models.Worker): boolean {
-    return Boolean(
-      (typeof worker.id === 'number' && worker.id >= 0) ||
-        (worker.firstname && worker.lastname) ||
-        worker.name,
-    );
-  }
-
-  export class SingleProject {
-    // TODO: code for SingleProject
-    constructor(private params: Models.Params) {
-      return;
-    }
-  }
-
-  export namespace Widgets {
-    // Чё будет делать виджет?
-    // * рендер - из параметров будет создавать данные с какими-либо расчётами
-
-    export interface Widget {
-      render(
-        filterParams: Models.FilterParams,
-        dashboardParams: Models.Params,
-      ): Models.FilterResult;
-    }
-
-    export class List implements Widget {
-      render(
-        filterParams: Models.FilterParams,
-        dashboardParams: Models.Params,
-      ): Models.FilterResult {
-        throw new Error('Method not implemented.');
-      }
-    }
-
-    export class DynamicList implements Widget {
-      render(
-        filterParams: Models.FilterParams,
-        dashboardParams: Models.Params,
-      ): Models.FilterResult {
-        throw new Error('Method not implemented.');
-      }
-    }
-
-    export class Tree implements Widget {
-      render(
-        filterParams: Models.FilterParams,
-        dashboardParams: Models.Params,
-      ): Models.FilterResult {
-        throw new Error('Method not implemented.');
-      }
-    }
-
-    export class Version implements Widget {
-      render(
-        filterParams: Models.FilterParams,
-        dashboardParams: Models.Params,
-      ): Models.FilterResult {
-        throw new Error('Method not implemented.');
-      }
-    }
-  }
-}
-
-@Injectable()
-export class ProjectDashboardService {
-  constructor() {
-    return;
-  }
-}

libs/event-emitter/src/project-dashboard/widget-interface.ts

@@ -1,4 +0,0 @@
-export interface WidgetInterface<W, D, R> {
-  isMyConfig(widgetParams: W): boolean;
-  render(widgetParams: W, dashboardParams: D): Promise<R>;
-}

src/app.module.ts

@@ -43,7 +43,7 @@ import { SetDailyEccmUserCommentBotHandlerService } from './telegram-bot/handler
 import { DailyEccmWithExtraDataService } from './reports/daily-eccm-with-extra-data.service';
 import { SimpleKanbanBoardController } from './dashboards/simple-kanban-board.controller';
 import { IssueUrlEnhancer } from '@app/event-emitter/issue-enhancers/issue-url-enhancer';
-import { IssuesByTagsWidgetService } from './dashboards/widgets/issues-by-tags.widget.service';
+import { IssuesByTagsWidgetDataLoaderService } from './dashboards/widget-data-loader/issues-by-tags.widget-data-loader.service';
 import { CategoryMergeToTagsEnhancer } from './issue-enhancers/category-merge-to-tags-enhancer';
 import { ServeStaticModule } from '@nestjs/serve-static';
 import { join } from 'path';
@@ -52,6 +52,7 @@ import { TagsManagerController } from './tags-manager/tags-manager.controller';
 import { CreateTagManagerServiceProvider } from './tags-manager/tags-manager.service';
 import { CalendarEnhancer } from '@app/event-emitter/issue-enhancers/calendar-enhancer';
 import { Dashboards as DashboardsDs } from '@app/event-emitter/couchdb-datasources/dashboards';
+import { DashboardInitService } from './dashboards/dashboard-init.service';
 
 @Module({
   imports: [
@@ -99,7 +100,7 @@ import { Dashboards as DashboardsDs } from '@app/event-emitter/couchdb-datasourc
     DailyEccmUserCommentsService,
     SetDailyEccmUserCommentBotHandlerService,
     DailyEccmWithExtraDataService,
-    IssuesByTagsWidgetService,
+    IssuesByTagsWidgetDataLoaderService,
     {
       provide: 'CATEGORY_MERGE_TO_TAGS_ENHANCER',
       useFactory: (configService: ConfigService) => {
@@ -111,6 +112,7 @@ import { Dashboards as DashboardsDs } from '@app/event-emitter/couchdb-datasourc
       inject: [ConfigService],
     },
     CreateTagManagerServiceProvider('TAG_MANAGER_SERVICE'),
+    DashboardInitService,
   ],
 })
 export class AppModule implements OnModuleInit {
@@ -137,6 +139,8 @@ export class AppModule implements OnModuleInit {
 
     @Inject('CALENDAR_ENHANCER')
     private calendarEnhancer: CalendarEnhancer,
+
+    private dashboardInitService: DashboardInitService,
   ) {}
 
   onModuleInit() {
@@ -215,6 +219,7 @@ export class AppModule implements OnModuleInit {
       });
 
     this.initDailyEccmUserCommentsPipeline();
+    this.initDashbordProviders();
   }
 
   private initDailyEccmUserCommentsPipeline(): void {
@@ -228,4 +233,8 @@ export class AppModule implements OnModuleInit {
       },
     );
   }
+
+  private initDashbordProviders(): void {
+    this.dashboardInitService.init();
+  }
 }

src/dashboards/dashboard-init.service.ts

@@ -0,0 +1,26 @@
+import { Injectable } from '@nestjs/common';
+import { WidgetsCollectionService } from '@app/event-emitter/dashboards/widgets-collection.service';
+import { IssuesByTagsWidgetDataLoaderService } from './widget-data-loader/issues-by-tags.widget-data-loader.service';
+import { createInteractiveWidget } from '@app/event-emitter/dashboards/interactive-widget-factory';
+
+@Injectable()
+export class DashboardInitService {
+  constructor(
+    private issuesByTagsWidgetDataLoaderService: IssuesByTagsWidgetDataLoaderService,
+    private widgetsCollectionService: WidgetsCollectionService,
+  ) {}
+
+  init(): void {
+    const collection = [
+      createInteractiveWidget(
+        this.issuesByTagsWidgetDataLoaderService,
+        'kanban_by_tags',
+      ),
+      createInteractiveWidget(
+        this.issuesByTagsWidgetDataLoaderService,
+        'issues_list_by_tags',
+      ),
+    ];
+    collection.forEach((w) => this.widgetsCollectionService.appendWidget(w));
+  }
+}

src/dashboards/simple-issues-list.controller.ts

@@ -1,7 +1,7 @@
 import { DynamicLoader } from '@app/event-emitter/configs/dynamic-loader';
 import { Controller, Get, Param, Render } from '@nestjs/common';
 import { ConfigService } from '@nestjs/config';
-import { IssuesByTagsWidgetService } from './widgets/issues-by-tags.widget.service';
+import { IssuesByTagsWidgetDataLoaderService } from './widget-data-loader/issues-by-tags.widget-data-loader.service';
 import { parse } from 'jsonc-parser';
 
 @Controller('simple-issues-list')
@@ -9,7 +9,7 @@ export class SimpleIssuesListController {
   private path: string;
 
   constructor(
-    private issuesByTagsWidgetService: IssuesByTagsWidgetService,
+    private issuesByTagsWidgetDataLoaderService: IssuesByTagsWidgetDataLoaderService,
     private dynamicLoader: DynamicLoader,
     private configService: ConfigService,
   ) {
@@ -23,7 +23,7 @@ export class SimpleIssuesListController {
       ext: 'jsonc',
       parser: parse,
     });
-    return await this.issuesByTagsWidgetService.render(cfg);
+    return await this.issuesByTagsWidgetDataLoaderService.load(cfg);
   }
 
   @Get('/by-tags/:name')

src/dashboards/simple-kanban-board.controller.ts

@@ -1,18 +1,14 @@
 import { DynamicLoader } from '@app/event-emitter/configs/dynamic-loader';
 import { RedmineEventsGateway } from '@app/event-emitter/events/redmine-events.gateway';
 import { IssuesService } from '@app/event-emitter/issues/issues.service';
-import { ListIssuesByFieldsWidgetService } from '@app/event-emitter/project-dashboard/widgets/list-issues-by-fields.widget.service';
-import { ListIssuesByUsersLikeJiraWidgetService } from '@app/event-emitter/project-dashboard/widgets/list-issues-by-users-like-jira.widget.service';
-import { ListIssuesByUsersWidgetService } from '@app/event-emitter/project-dashboard/widgets/list-issues-by-users.widget.service';
-import {
-  RootIssueSubTreesWidgetNs,
-  RootIssueSubTreesWidgetService,
-} from '@app/event-emitter/project-dashboard/widgets/root-issue-subtrees.widget.service';
-import { TreeIssuesStore } from '@app/event-emitter/utils/tree-issues-store';
 import { Controller, Get, Logger, Param, Render } from '@nestjs/common';
 import { ConfigService } from '@nestjs/config';
 import { parse } from 'jsonc-parser';
-import { IssuesByTagsWidgetService } from './widgets/issues-by-tags.widget.service';
+import { IssuesByTagsWidgetDataLoaderService } from './widget-data-loader/issues-by-tags.widget-data-loader.service';
+import { RootIssueSubTreesWidgetDataLoaderService } from '@app/event-emitter/dashboards/widget-data-loader/root-issue-subtrees.widget-data-loader.service';
+import { ListIssuesByUsersWidgetDataLoaderService } from '@app/event-emitter/dashboards/widget-data-loader/list-issues-by-users.widget-data-loader.service';
+import { ListIssuesByUsersLikeJiraWidgetDataLoaderService } from '@app/event-emitter/dashboards/widget-data-loader/list-issues-by-users-like-jira.widget-data-loader.service';
+import { ListIssuesByFieldsWidgetDataLoaderService } from '@app/event-emitter/dashboards/widget-data-loader/list-issues-by-fields.widget-data-loader.service';
 
 @Controller('simple-kanban-board')
 export class SimpleKanbanBoardController {
@@ -20,14 +16,14 @@ export class SimpleKanbanBoardController {
   private path: string;
 
   constructor(
-    private rootIssueSubTreesWidgetService: RootIssueSubTreesWidgetService,
+    private rootIssueSubTreesWidgetDataLoaderService: RootIssueSubTreesWidgetDataLoaderService,
     private dynamicLoader: DynamicLoader,
     private configService: ConfigService,
-    private listIssuesByUsersWidgetService: ListIssuesByUsersWidgetService,
+    private listIssuesByUsersWidgetDataLoaderService: ListIssuesByUsersWidgetDataLoaderService,
-    private listIssuesByUsersLikeJiraWidgetService: ListIssuesByUsersLikeJiraWidgetService,
+    private listIssuesByUsersLikeJiraWidgetDataLoaderService: ListIssuesByUsersLikeJiraWidgetDataLoaderService,
-    private issuesByTagsWidgetService: IssuesByTagsWidgetService,
+    private issuesByTagsWidgetDataLoaderService: IssuesByTagsWidgetDataLoaderService,
     private redmineEventsGateway: RedmineEventsGateway,
-    private listIssuesByFieldsWidgetService: ListIssuesByFieldsWidgetService,
+    private listIssuesByFieldsWidgetDataLoaderService: ListIssuesByFieldsWidgetDataLoaderService,
     private issuesService: IssuesService,
   ) {
     this.path = this.configService.get<string>('simpleKanbanBoard.path');
@@ -40,7 +36,7 @@ export class SimpleKanbanBoardController {
       ext: 'jsonc',
       parser: parse,
     });
-    return await this.rootIssueSubTreesWidgetService.render(cfg);
+    return await this.rootIssueSubTreesWidgetDataLoaderService.load(cfg);
   }
 
   @Get('/tree/:name')
@@ -73,7 +69,7 @@ export class SimpleKanbanBoardController {
       ext: 'jsonc',
       parser: parse,
     });
-    return await this.listIssuesByUsersWidgetService.render(cfg);
+    return await this.listIssuesByUsersWidgetDataLoaderService.load(cfg);
   }
 
   @Get('/by-users/:name')
@@ -89,7 +85,9 @@ export class SimpleKanbanBoardController {
       ext: 'jsonc',
       parser: parse,
     });
-    return await this.listIssuesByUsersLikeJiraWidgetService.render(cfg);
+    return await this.listIssuesByUsersLikeJiraWidgetDataLoaderService.load(
+      cfg,
+    );
   }
 
   @Get('/by-users-like-jira/:name')
@@ -105,7 +103,7 @@ export class SimpleKanbanBoardController {
       ext: 'jsonc',
       parser: parse,
     });
-    return await this.issuesByTagsWidgetService.render(cfg);
+    return await this.issuesByTagsWidgetDataLoaderService.load(cfg);
   }
 
   @Get('/by-tags/:name')
@@ -121,7 +119,7 @@ export class SimpleKanbanBoardController {
       ext: 'jsonc',
       parser: parse,
     });
-    return await this.listIssuesByFieldsWidgetService.render(cfg);
+    return await this.listIssuesByFieldsWidgetDataLoaderService.load(cfg);
   }
 
   @Get('/by-fields/:name')

src/dashboards/widget-data-loader/issues-by-tags.widget-data-loader.service.ts

@@ -6,13 +6,19 @@ import {
   IssuesService,
   IssuesServiceNs,
 } from '@app/event-emitter/issues/issues.service';
-import { WidgetInterface } from '@app/event-emitter/project-dashboard/widget-interface';
 import { FlatIssuesStore } from '@app/event-emitter/utils/flat-issues-store';
 import { GetValueFromObjectByKey } from '@app/event-emitter/utils/get-value-from-object-by-key';
 import { TreeIssuesStore } from '@app/event-emitter/utils/tree-issues-store';
 import { Injectable, Logger } from '@nestjs/common';
 import nano from 'nano';
 import * as PriorityStylesEnhancerNs from '@app/event-emitter/issue-enhancers/priority-styles-enhancer';
+import { WidgetDataLoaderInterface } from '@app/event-emitter/dashboards/widget-data-loader-interface';
+import {
+  AppError,
+  Result,
+  createAppError,
+  success,
+} from '@app/event-emitter/utils/result';
 
 export namespace IssuesByTagsWidgetNs {
   export type Params = {
@@ -27,10 +33,10 @@ export namespace IssuesByTagsWidgetNs {
 type Params = IssuesByTagsWidgetNs.Params;
 
 @Injectable()
-export class IssuesByTagsWidgetService
+export class IssuesByTagsWidgetDataLoaderService
-  implements WidgetInterface<Params, any, any>
+  implements WidgetDataLoaderInterface<Params, any, any>
 {
-  private logger = new Logger(IssuesByTagsWidgetService.name);
+  private logger = new Logger(IssuesByTagsWidgetDataLoaderService.name);
   private issuesLoader: IssuesServiceNs.IssuesLoader;
 
   constructor(
@@ -45,7 +51,7 @@ export class IssuesByTagsWidgetService
     return true;
   }
 
-  async render(widgetParams: Params): Promise<any> {
+  async load(widgetParams: Params): Promise<Result<any, AppError>> {
     let store: FlatIssuesStore;
     if (widgetParams.fromRootIssueId) {
       store = await this.getListFromRoot(widgetParams.fromRootIssueId);
@@ -54,7 +60,7 @@ export class IssuesByTagsWidgetService
     } else {
       const errMsg = `Wrong widgetParams value`;
       this.logger.error(errMsg);
-      throw new Error(errMsg);
+      return fail(createAppError(errMsg));
     }
     await store.enhanceIssues([
       this.timePassedHighlightEnhancer,
@@ -100,7 +106,7 @@ export class IssuesByTagsWidgetService
         return a.metainfo.title.localeCompare(b.metainfo.title);
       });
     }
-    return res;
+    return success(res);
   }
 
   private async getListFromRoot(issueId: number): Promise<FlatIssuesStore> {