Angular2 call function in another function with same class and use first functions property in second

Question

I have 2 functions in a class, both class getting data from API calls.

Here is the First function

getQuotes(){
    this.quoteService.getQuotes()
    .subscribe(
      quotes => {
        this.quotCode = this.quotes.BasicDetails[0].QuotCode;
        }
      });
}

Second Function

getOption(){
    this.quoteService.getOptions()
    .subscribe(
            options => {
     })
}

I want to get data from this line from first function

this.quotCode = this.quotes.BasicDetails[0].QuotCode;

and based on this.quotCode getOption() will have different params to pass and will get diff. response also. so it is necessary to use this.quotCode in second function

I'm calling getQuotes() in constuctor()

Can anyone please help me out? Thanks

@trichetriche can you please help here?

Nikhil Radadiya
– Nikhil Radadiya

2017-07-10 13:36:50 +00:00
Commented Jul 10, 2017 at 13:36 — Nikhil Radadiya
– Nikhil Radadiya, Commented Jul 10, 2017 at 13:36

Alexis Facques · Accepted Answer · 2017-07-10 13:51:53Z

1

RXJS mergeMap is the operator you need : this way, you will execute the second request once the first one succeeds.

this.quoteService.getQuotes().mergeMap( quotes => {
    // Do whatever you need to do with quotes
    return this.quoteService.getOptions()
}).subscribe( options => {
    // Do whatever you need with options
});

answered Jul 10, 2017 at 13:51

Alexis Facques

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2 Comments

Nikhil Radadiya Over a year ago

Okay,let me try

Nikhil Radadiya Over a year ago

it works but sometime getOptions doesn't load at all even if first loads

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