anioutkazharkova

import androidx.compose.foundation.Image
import androidx.compose.foundation.layout.fillMaxWidth
import androidx.compose.foundation.layout.height
import androidx.compose.material3.MaterialTheme
import androidx.compose.runtime.Composable
import androidx.compose.ui.Modifier
import androidx.compose.ui.layout.ContentScale
import androidx.compose.ui.unit.dp
import coil.compose.rememberImagePainter
import kotlinx.serialization.Serializable

anioutkazharkova

rules_version = '2';
service cloud.firestore {
  match /databases/{database}/documents {
   function signedIn() {
      return request.auth.uid != null;
    }
    match /users/{user} {
          allow read, write: if (signedIn() == true);
        }
    match /posts/{post} {

anioutkazharkova

rules_version = '2';
service cloud.firestore {
  match /databases/{database}/documents {
   function signedIn() {
      return request.auth.uid != null;
    }
    match /users/{user} {
          allow read, write: if (signedIn() == true);
        }
   match /posts/{post} {

anioutkazharkova

rules_version = '2';
service cloud.firestore {
  match /databases/{database}/documents {
    match /{document=**} {
      allow read, write
    }
  }
}

anioutkazharkova

fun changeLike(postItem: PostItem, onCompleted: (Result<Boolean>) -> Unit) {
        val currentUser = FirebaseAuthHelper.instance.currentUser
        val document = FirebaseFirestore.getInstance().collection("posts").document(postItem.uuid)
        if (currentUser != null) {
            // Подготавливаем здесь контент
            FirebaseFirestore.getInstance().runTransaction { transition ->
                //Обновляем поля
                transition.update(document, "likeItems", newLikes)
                newLikes
            }.addOnSuccessListener { result ->

anioutkazharkova

suspend fun sendComment(commentItem: CommentItem) {
        val currentUser = FirebaseAuthHelper.instance.currentUser
        commentItem.userId = currentUser?.uid.orEmpty()
        commentItem.userName = currentUser?.displayName.orEmpty()
        val collection =
            FirebaseFirestore.getInstance().collection("posts").document(commentItem.postId)
                .collection("comments")

        val document = collection.document(commentItem.uuid)
        document.set(commentItem).await()

anioutkazharkova

 fun startListenToComments(postId: String, result: (List<CommentItem>) -> Unit) {
        val collection = FirebaseFirestore.getInstance().collection("posts").document(postId)
            .collection("comments")
        commentListener = collection.orderBy("date", Query.Direction.DESCENDING)
            .addSnapshotListener(MetadataChanges.INCLUDE) { data, firebaseFirestoreExceptioor ->
                if (data != null) {
                    val comments = data.toObjects(CommentItem::class.java)
                    result(comments)
                }
            }

anioutkazharkova

val storage = Firebase.storage

    suspend fun uploadImage(bytes: ByteArray): Uri? {
        //Ссылка на объект
        val reference = storage.reference.child("image-${Date()}.jpg")
        var uploadTask = reference.putBytes(bytes)
        // Ожидаем загрузку
        uploadTask.await()
        //Обрабатываем конечный url 
        return reference.downloadUrl.await()

anioutkazharkova

  suspend fun deletePost(id: String) {
        val collection = FirebaseFirestore.getInstance().collection("posts")
        val document = collection.document(id)
        document.delete().await()
    }

anioutkazharkova

//Создание
suspend fun createPost(postItem: PostItem) {
        val currentUser = FirebaseAuthHelper.instance.currentUser
        postItem.userId = currentUser?.uid.orEmpty()
        postItem.userName = currentUser?.displayName.orEmpty()

        val collection = FirebaseFirestore.getInstance().collection("posts")
        val document = collection.document(postItem.uuid)
        document.set(postItem).await()
    }