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
  31         let params = new HttpParams();
  32         params = params.append('internalComponentType', this.workspaceService.getMetadataType());
  33
  34         const loadInstances = this.http.get(this.facadeUrl, {params});
  35         const loadGroups = this.http.get(this.baseUrl + 'groupTypes', {params});
  36         const loadPolicies = this.http.get(this.baseUrl + 'policyTypes', {params});
  37
  38         Observable.forkJoin(
  39             loadInstances, loadGroups, loadPolicies
  40         ).subscribe( ([resInstances, resGrouops, resPolicies]) => {
  41             const combinedDictionary = this.combineResoponses(resInstances, resGrouops, resPolicies);
  42             this.leftPaletteComponents = combinedDictionary;
  43             next(this.leftPaletteComponents);
  44         });
  45     }
  46
  47     public getLeftPaletteElements = (): Dictionary<Dictionary<LeftPaletteComponent[]>> => {
  48         return this.leftPaletteComponents;
  49     }
  50
  51
  52     public convertPoliciesOrGroups = (paletteListResult, type: string ) => {
  53         const components: LeftPaletteComponent[] = [];
  54
  55         if (type === 'Policies') {
  56             _.forEach(paletteListResult, (policyMetadata: PolicyMetadata) => {
  57                 components.push(new LeftPaletteComponent(LeftPaletteMetadataTypes.Policy, policyMetadata));
  58             });
  59             return {
  60                 Policies: components
  61             };
  62         }
  63
  64         if (type === 'Groups') {
  65             _.forEach(paletteListResult, (groupMetadata: GroupMetadata) => {
  66                 const item = new LeftPaletteComponent(LeftPaletteMetadataTypes.Group, groupMetadata);
  67                 components.push(item);
  68             });
  69             return {
  70                 Groups: components
  71             };
  72         }
  73
  74         return {};
  75     }
  76
  77     private combineResoponses(resInstances: object, resGrouops: object, resPolicies: object) {
  78         const retValObject = {};
  79
  80         if (resInstances['Generic']) {
  81                 if (this.isSubstitutionForNestedServices()) {
  82                     const serviceGroup = this.createServiceGroup(resInstances);
  83                     if (serviceGroup) {
  84                         retValObject['Service'] = serviceGroup;
  85                     }
  86                 }
  87                 else {
  88                     // Generic will be the 1st category in the left Pallete
  89                         retValObject['Generic'] = resInstances['Generic'];
  90                 }
  91             }
  92
  93         // Add all other categories
  94         for (const category in resInstances) {
  95             if (category === 'Generic') {
  96                 continue;
  97             }
  98             retValObject[category] = resInstances[category];
  99         }
 100
 101         // Add Groups
 102         retValObject["Groups"] = this.convertPoliciesOrGroups(resGrouops, 'Groups');
 103
 104         // Add policies
 105         retValObject["Policies"] = this.convertPoliciesOrGroups(resPolicies, 'Policies');
 106
 107         return retValObject;
 108     }
 109
 110     private isSubstitutionForNestedServices(): boolean {
 111             return this.workspaceService.metadata.categories[0].useServiceSubstitutionForNestedServices;
 112         }
 113
 114     private createServiceGroup(resInstances: object): object {
 115             const servicesList = resInstances['Generic']['Generic'];
 116             if (Array.isArray(servicesList) && servicesList.length > 0) {
 117                 delete resInstances['Generic']['Generic'];
 118                 return servicesList.reduce(function (map, component) {
 119                     if (map[component.categories[0].name]) {
 120                         map[component.categories[0].name].push(component);
 121                     } else {
 122                         map[component.categories[0].name] = [component];
 123                     }
 124                     return map;
 125                 }, {});
 126             }
 127             return null;
 128         }
 129
 130 }