我正在创建一个类似于olx的应用程序，如果您上传广告，它将在两个不同的集合中发布，分别是“我的广告”，其中每个登录用户的广告均按照其ID发布，并在“探索”集合中发布。为所有用户发布。因此，如果我要更新或删除广告，则应从两个收藏夹中将其删除！图片网址：https://imgur.com/a/HCKfGBb
字符串uid = user.getUid（）; SellingDetails.put（“ uid”，uid）;
final CollectionReference reference = exploreAdDB.collection("cities/" + city + "/" + category);
final CollectionReference myAdDocRef = myAdDB.collection("users/ads/"+uid);
if (imageUri != null) {
final StorageReference fileReference = mStorage.child(System.currentTimeMillis()
+ "." + getFileExtension(imageUri));
UploadTask uploadTask = fileReference.putFile(imageUri);
Task<Uri> urlTask = uploadTask.continueWithTask(new Continuation<UploadTask.TaskSnapshot, Task<Uri>>() {
@Override
public Task<Uri> then(@NonNull Task<UploadTask.TaskSnapshot> task) throws Exception {
if (!task.isSuccessful()) {
throw task.getException();
}
return fileReference.getDownloadUrl();
}
}).addOnCompleteListener(new OnCompleteListener<Uri>() {
@Override
public void onComplete(@NonNull Task<Uri> task) {
if (task.isSuccessful()) {
Uri downloadUri = task.getResult();
if(downloadUri!=null)
SellingDetails.put("imageUrl",downloadUri.toString());
reference.add(SellingDetails).addOnSuccessListener(new OnSuccessListener<DocumentReference>() {
@Override
public void onSuccess(DocumentReference documentReference) {
Toast.makeText(GetLocationActivity.this, "Service Uploaded in explore db ", Toast.LENGTH_SHORT).show();
pgAd.setVisibility(View.INVISIBLE);
Intent intent = new Intent(GetLocationActivity.this, MainActivity.class);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
startActivity(intent);
Toast.makeText(GetLocationActivity.this, "Ad posted Successfully", Toast.LENGTH_LONG).show();
}
}).addOnFailureListener(new OnFailureListener() {
@Override
public void onFailure(@NonNull Exception e) {
Toast.makeText(GetLocationActivity.this, "Failed adding data into explore db", Toast.LENGTH_SHORT).show();
pgAd.setVisibility(View.INVISIBLE);
}
});
myAdDocRef.add(SellingDetails).addOnSuccessListener(new OnSuccessListener<DocumentReference>() {
@Override
public void onSuccess(DocumentReference documentReference) {
Toast.makeText(GetLocationActivity.this, "Data Also added to myAds db", Toast.LENGTH_SHORT).show();
}
})
.addOnFailureListener(new OnFailureListener() {
@Override
public void onFailure(@NonNull Exception e) {
Toast.makeText(GetLocationActivity.this, "Data not added into my ads", Toast.LENGTH_SHORT).show();
}
});
} else {
// Handle failures
Toast.makeText(GetLocationActivity.this, "Failed adding data", Toast.LENGTH_SHORT).show();
}
}
});
}