Help me help me . i need a function get save json into sqllite database

exp: json 
{
  "data": [{
    "type": "articles",
    "id": "1",
    "attributes": {
      "title": "JSON API paints my bikeshed!",
      "body": "The shortest article. Ever.",
      "created": "2015-05-22T14:56:29.000Z",
      "updated": "2015-05-22T14:56:28.000Z"
    },
    "relationships": {
      "author": {
        "data": {"id": "42", "type": "people"}
      }
    }
  }],
  "included": [
    {
      "type": "people",
      "id": "42",
      "attributes": {
        "name": "John",
        "age": 80,
        "gender": "male"
      }
    }
  ]
}

**

> database.ts :

**


import { Injectable } from '@angular/core';
import { Platform } from 'ionic-angular';
import { SQLite, SQLiteObject } from '@ionic-native/sqlite';
import { SQLitePorter } from '@ionic-native/sqlite-porter';
import { Http } from '@angular/http';
import 'rxjs/add/operator/map';
import { BehaviorSubject } from 'rxjs/Rx';
import { Storage } from '@ionic/storage';
import { CheckdomainProvider } from '../checkdomain/checkdomain';

/*
  Generated class for the DatabaseProvider provider.

  See https://angular.io/guide/dependency-injection for more info on providers
  and Angular DI.
*/
@Injectable()
export class DatabaseProvider {
  database: SQLiteObject;
  private databaseReady: BehaviorSubject<boolean>;
 
  constructor(public sqlitePorter: SQLitePorter,
     private storage: Storage, 
     private sqlite: SQLite,
      private platform: Platform,
      public domain:CheckdomainProvider,
       private http: Http) {
    this.databaseReady = new BehaviorSubject(false);
    this.platform.ready().then(() => {
      this.sqlite.create({
        name: 'developers.db',
        location: 'default'
      })
        .then((db: SQLiteObject) => {
          this.database = db;
        }
        ) .catch(e => console.error(e));
    });
  }

  fillDatabase() {
    this.http.get('assets/dummyDump.sql')
      .map(res => res.text())
      .subscribe(sql => {
        this.sqlitePorter.importSqlToDb(this.database, sql)
          .then(data => {
            this.databaseReady.next(true);
            this.storage.set('database_filled', true);
          })
          .catch(e => console.error(e));
      });
  }
  
 
  getDatabaseState() {
    return this.databaseReady.asObservable();
  }
}