How to get firestore queried data from angular service to component

Question

I am new to Firestore and async functions. Below function is in angular service:

 async verifyCredentials(loginFormData:any)
  {
    const q = query(collection(db, "users"), where("mobile", "==", loginFormData["mobile"]), where("email", "==", loginFormData["email"]));
    const querySnapshot = await getDocs(q);
    //console.log("data is:", querySnapshot.docs[0].data());
    return querySnapshot.docs[0].data();
  }

I am calling above function to get data in a component:

 onSubmit() {
    
    this.submitted = true;
    if (this.loginForm.invalid) {
        return;
    }
    if(this.submitted)
    {
      console.log(this.userService.verifyCredentials(this.loginForm.value)); 
      //this.router.navigate(['/menu']);
    }
  
  }

Below is the console output:

"returning doc.data() is not working here" What does that mean? Which line of the code you shared doesn't do what you expect it to do? Is there an error message? — Frank van Puffelen
– Frank van Puffelen, Commented Jan 1, 2022 at 17:43
Sorry for the incomplete information @FrankvanPuffelen . I have updated the question. Please have a look. Thanks! — Abhi
– Abhi, Commented Jan 2, 2022 at 3:21

Abhi · Accepted Answer · 2022-01-02 03:39:42Z

2

It worked. I completely forget to use .then

onSubmit() { 
    this.submitted = true;
    if (this.loginForm.invalid) {
        return;
    }
    if(this.submitted)
    {
      this.userService.verifyCredentials(this.loginForm.value).then( data => 
      {
        console.log(data); 
      });
      //this.router.navigate(['/menu']);
    }
  }

answered Jan 2, 2022 at 3:39

Abhi

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