How to create a simple API in Firebase? [closed] - ios

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I have never worked on the backend and never created an API, all I know is to handle the JSON response, This doesn't help much, but I do not understand "PUT - Writing Data".
However, I just want to know that how can I create a simple dictionary of multiple arrays or key-values as rest API, So that it can be fetched and i can show the data in table view etc.

Answer 1

According to Firebase Documentations, if you wanna create a node on Firebase realtime database, you can simply set a value to any key you want. The value here should be NSDictionary.
This is the code you can refer to:
// create a new node
[[[_ref child:#"users"] child:user.uid] setValue:#{#"username": username}];
// you can also use update to create a new node
NSString *key = [[_ref child:#"posts"] childByAutoId].key;
NSDictionary *post = #{#"uid": userID,
#"author": username,
#"title": title,
#"body": body};
NSDictionary *childUpdates = #{[#"/posts/" stringByAppendingString:key]: post,
[NSString stringWithFormat:#"/user-posts/%#/%#/", userID, key]: post};
[_ref updateChildValues:childUpdates];
Hope it helps.