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@iapps/ngx-dhis2-http-client

v3.0.2

Published

DHIS2 Http Client is angular 6+ library that exposes services for fetching, posting, updating and deleting dhis2 resources, simple configurable index DB support for dhis2 APIs

Downloads

96

Readme

DHIS2 Http Client library

DHIS2 Http Client is angular 6+ library that exposes services for fetching, posting, updating and deleting dhis2 resources, simple configurable index DB support for dhis2 APIs

Installation

npm install @iapps/ngx-dhis2-http-client --save

Contents

ngx-dhis2-http-client exposes two services .i.e NgxHttpClientService and ManifestService

  • NgxHttpClientService: This service exposes all REST-API methods .i.e. GET, POST, PUT, DELETE

    • GET: get(url: string, httpConfig: HttpConfig)

    • POST: post(url: string, data: any, httpConfig: HttpConfig)

    • PUT: put(url: string, data: any, httpConfig: HttpConfig)

    • DELETE delete(url: string, httpConfig: HttpConfig)

    where HttpConfig has a data model of

     {
      includeVersionNumber?: boolean;
      preferPreviousApiVersion?: boolean;
      useRootUrl?: boolean;
      isExternalLink?: boolean;
      useIndexDb?: boolean;
    }
  • ManifestService: This service exposes manifest two methods get() and getRootUrl()

    • get(): This returns payload with the format
  {
    name: string;
    version: number | string;
    description: string;
    launch_path: string;
    appType: string;
    icons: {
      16: string;
      48: string;
      128: string;
    };
    developer: {
      name: string;
      url: string;
    };
    default_locale: string;
    activities: {
    dhis: {
      href: string;
      namespace: string;
      };
    };
    authorities: Array<string>;
}
  • getRootUrl(): This method returns rootUrl as specified in the manifest file in activities.dhis.href. This method will return ../../../ if manifest file could not be loaded or href is not specified

Usage

1. Import NgxDhis2HttpClientModule:

You have to import NgxDhis2HttpClientModule.forRoot() in the root NgModule of your application

This library support index DB as based on dexie library. In order to initiatiate index db then you have to passed index db configuration in forRoot of the module, so in app.module.ts

........
@NgModule({
  declarations: [AppComponent, ...fromPages.pages],
  imports: [
   ..........
    NgxDhis2HttpClientModule.forRoot({
      namespace: 'iapps',
      version: 1,
      models: {
        users: 'id',
        dataElements: 'id',
        .......
      }
    })
    .......
    ]
    ......
    })

where in the models, for example user will be a table "users" and 'id' will be a keyIndex for the table

2. Injecting in services

Inject NgxHttpClientService or ManifestService any where in constructor in your angular application eg

 import { NgxDhis2HttpClientService } from '@iapps/ngx-dhis2-http-client';
 ...
 constructor(private http: NgxDhis2HttpClientService) {
  }
 ...