catalog-ui/src/app/ng2/pages/composition/palette/services/palette.service.ts

   1 import { HttpClient, HttpParams } from '@angular/common/http';
   2 import { Inject, Injectable } from '@angular/core';
   3 import { LeftPaletteComponent, LeftPaletteMetadataTypes } from 'app/models/components/displayComponent';
   4 import { GroupMetadata } from 'app/models/group-metadata';
   5 import { PolicyMetadata } from 'app/models/policy-metadata';
   6 import { IComponentMetadata } from 'app/models/component-metadata';
   7 import { SdcConfigToken } from 'app/ng2/config/sdc-config.config';
   8 import { ISdcConfig } from 'app/ng2/config/sdc-config.config.factory';
   9 import { WorkspaceService } from 'app/ng2/pages/workspace/workspace.service';
  10 import 'rxjs/add/observable/forkJoin';
  11 import { Observable } from 'rxjs/Rx';
  12 import Dictionary = _.Dictionary;
  13
  14
  15
  16 @Injectable()
  17 export class CompositionPaletteService {
  18
  19     protected baseUrl = '';
  20
  21     private leftPaletteComponents: Dictionary<Dictionary<LeftPaletteComponent[]>>;
  22     private facadeUrl: string;
  23     constructor(protected http: HttpClient, @Inject(SdcConfigToken) sdcConfig: ISdcConfig, private workspaceService: WorkspaceService) {
  24         this.baseUrl = sdcConfig.api.root + sdcConfig.api.component_api_root;
  25         this.facadeUrl = sdcConfig.api.uicache_root + sdcConfig.api.GET_uicache_left_palette;
  26
  27     }
  28
  29     public subscribeToLeftPaletteElements(next, error) {
  30         let params = new HttpParams();
  31         params = params.append('internalComponentType', this.workspaceService.getMetadataType());
  32         let model = this.workspaceService.metadata.model
  33         if (model) {
  34           params = params.append('componentModel', model);
  35         }
  36         const loadInstances = this.http.get(this.facadeUrl, {params});
  37         const loadGroups = this.http.get(this.baseUrl + 'groupTypes', {params});
  38         const loadPolicies = this.http.get(this.baseUrl + 'policyTypes', {params});
  39         Observable.forkJoin(loadInstances, loadGroups, loadPolicies).subscribe( ([resInstances, resGrouops, resPolicies]) => {
  40             const combinedDictionary = this.combineResoponses(resInstances, resGrouops, resPolicies);
  41             this.leftPaletteComponents = combinedDictionary;
  42             next(this.leftPaletteComponents);
  43         });
  44     }
  45
  46     public getLeftPaletteElements = (): Dictionary<Dictionary<LeftPaletteComponent[]>> => {
  47         return this.leftPaletteComponents;
  48     }
  49
  50
  51     public convertPoliciesOrGroups = (paletteListResult, type: string ) => {
  52         const components: LeftPaletteComponent[] = [];
  53
  54         if (type === 'Policies') {
  55             _.forEach(paletteListResult, (policyMetadata: PolicyMetadata) => {
  56                 components.push(new LeftPaletteComponent(LeftPaletteMetadataTypes.Policy, policyMetadata));
  57             });
  58             return {
  59                 Policies: components
  60             };
  61         }
  62
  63         if (type === 'Groups') {
  64             _.forEach(paletteListResult, (groupMetadata: GroupMetadata) => {
  65                 const item = new LeftPaletteComponent(LeftPaletteMetadataTypes.Group, groupMetadata);
  66                 components.push(item);
  67             });
  68             return {
  69                 Groups: components
  70             };
  71         }
  72
  73         return {};
  74     }
  75
  76     private combineResoponses(resInstances: object, resGrouops: object, resPolicies: object) {
  77         const retValObject = {};
  78
  79         if (resInstances['Generic']) {
  80                 if (this.isSubstitutionForNestedServices()) {
  81                     const serviceGroup = this.createServiceGroup(resInstances);
  82                     if (serviceGroup) {
  83                         retValObject['Service'] = serviceGroup;
  84                     }
  85                 }
  86                         retValObject['Generic'] = resInstances['Generic'];
  87             }
  88
  89         // Add all other categories
  90         for (const category in resInstances) {
  91             if (category === 'Generic') {
  92                 continue;
  93             }
  94             retValObject[category] = resInstances[category];
  95         }
  96
  97         // Add Groups
  98         retValObject["Groups"] = this.convertPoliciesOrGroups(resGrouops, 'Groups');
  99
 100         // Add policies
 101         retValObject["Policies"] = this.convertPoliciesOrGroups(resPolicies, 'Policies');
 102
 103         return retValObject;
 104     }
 105
 106     private isSubstitutionForNestedServices(): boolean {
 107             return this.workspaceService.metadata.categories[0].useServiceSubstitutionForNestedServices;
 108         }
 109
 110     private createServiceGroup(resInstances: object): object {
 111             const servicesList = resInstances['Generic']['Generic'];
 112             if (Array.isArray(servicesList) && servicesList.length > 0) {
 113                 delete resInstances['Generic']['Generic'];
 114                 return servicesList.reduce(function (map, component) {
 115                     if (map[component.categories[0].name]) {
 116                         map[component.categories[0].name].push(component);
 117                     } else {
 118                         map[component.categories[0].name] = [component];
 119                     }
 120                     return map;
 121                 }, {});
 122             }
 123             return null;
 124         }
 125
 126 }