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Merge pull request #231 from myofficework000/firestore_notes
add firestore notes implementation
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5 changes: 5 additions & 0 deletions
5
app/src/main/java/com/example/jetpack_compose_all_in_one/demos/firestore_notes/Note.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,5 @@ | ||
| package com.example.jetpack_compose_all_in_one.demos.firestore_notes | ||
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| data class Note (val title: String = "", val content: String = "") { | ||
| constructor() : this("", "") | ||
| } |
29 changes: 29 additions & 0 deletions
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.../main/java/com/example/jetpack_compose_all_in_one/demos/firestore_notes/NoteRepository.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,29 @@ | ||
| package com.example.jetpack_compose_all_in_one.demos.firestore_notes | ||
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| import com.google.firebase.firestore.FirebaseFirestore | ||
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| class NoteRepository { | ||
| private val db = FirebaseFirestore.getInstance() | ||
| private val notesCollection = db.collection("notes") | ||
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| fun getNotes(callback: (List<Note>) -> Unit) { | ||
| notesCollection.get() | ||
| .addOnSuccessListener { result -> | ||
| val notes = result.toObjects(Note::class.java) | ||
| callback(notes) | ||
| } | ||
| .addOnFailureListener { exception -> | ||
| exception.printStackTrace() | ||
| } | ||
| } | ||
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| fun addNote(note: Note, callback: (Boolean) -> Unit) { | ||
| notesCollection.add(note) | ||
| .addOnSuccessListener { | ||
| callback(true) | ||
| } | ||
| .addOnFailureListener { | ||
| callback(false) | ||
| } | ||
| } | ||
| } |
88 changes: 88 additions & 0 deletions
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app/src/main/java/com/example/jetpack_compose_all_in_one/demos/firestore_notes/NoteScreen.kt
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,88 @@ | ||
| package com.example.jetpack_compose_all_in_one.demos.firestore_notes | ||
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| import androidx.compose.foundation.layout.Column | ||
| import androidx.compose.foundation.layout.fillMaxWidth | ||
| import androidx.compose.foundation.layout.padding | ||
| import androidx.compose.foundation.lazy.LazyColumn | ||
| import androidx.compose.foundation.lazy.items | ||
| import androidx.compose.material3.Button | ||
| import androidx.compose.material3.Card | ||
| import androidx.compose.material3.Text | ||
| import androidx.compose.material3.TextField | ||
| import androidx.compose.runtime.Composable | ||
| import androidx.compose.runtime.LaunchedEffect | ||
| import androidx.compose.runtime.getValue | ||
| import androidx.compose.runtime.mutableStateOf | ||
| import androidx.compose.runtime.remember | ||
| import androidx.compose.runtime.setValue | ||
| import androidx.compose.ui.Alignment | ||
| import androidx.compose.ui.Modifier | ||
| import androidx.compose.ui.unit.dp | ||
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| @Composable | ||
| fun NoteScreen(noteRepository: NoteRepository = NoteRepository()) { | ||
| var notes by remember { mutableStateOf(listOf<Note>()) } | ||
| var newNoteTitle by remember { mutableStateOf("") } | ||
| var newNoteContent by remember { mutableStateOf("") } | ||
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| LaunchedEffect(key1 = "load_notes") { | ||
| noteRepository.getNotes { | ||
| notes = it | ||
| } | ||
| } | ||
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| Column { | ||
| TextField( | ||
| modifier = Modifier | ||
| .fillMaxWidth() | ||
| .padding(16.dp), | ||
| value = newNoteTitle, | ||
| onValueChange = { newNoteTitle = it }, | ||
| label = { Text(text = "Title") } | ||
| ) | ||
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| TextField( | ||
| modifier = Modifier | ||
| .fillMaxWidth() | ||
| .padding(16.dp), | ||
| value = newNoteContent, | ||
| onValueChange = { newNoteContent = it }, | ||
| label = { Text(text = "Content") } | ||
| ) | ||
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| Button( | ||
| modifier = Modifier.align(Alignment.CenterHorizontally), | ||
| onClick = { | ||
| noteRepository.addNote(Note(newNoteTitle, newNoteContent)) { success -> | ||
| if (success) { | ||
| newNoteTitle = "" | ||
| newNoteContent = "" | ||
| noteRepository.getNotes { | ||
| notes = it | ||
| } | ||
| } | ||
| } | ||
| }) { | ||
| Text(text = "Add Note") | ||
| } | ||
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| LazyColumn() { | ||
| items(notes) { note -> | ||
| Card( | ||
| modifier = Modifier | ||
| .fillMaxWidth() | ||
| .padding(16.dp) | ||
| ) { | ||
| Column( | ||
| modifier = Modifier.padding(16.dp) | ||
| ) { | ||
| Text(text = "Title: ${note.title}") | ||
| Text(text = "Content: ${note.content}") | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
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| } |
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