ttyhyjj

package com.example.spendly1

import androidx.room.*
import kotlinx.coroutines.flow.Flow

@Dao
interface UserDao {
    @Insert(onConflict = OnConflictStrategy.REPLACE)
    suspend fun insertUser(user: User)//cохранение нового пользователя
    @Query("SELECT EXISTS(SELECT * FROM users WHERE login = :login)")

ttyhyjj

package com.example.spendly1

import androidx.room.Entity
import androidx.room.PrimaryKey

@Entity(tableName = "users")//превращает класс в таблицу
data class User (
    @PrimaryKey(autoGenerate = true) val id: Int = 0,//индентификатор для каждой строки
    val password: String,//пароль
    val firstName: String? = null,//имя

ttyhyjj

package com.example.spendly1

import androidx.lifecycle.ViewModel
import androidx.lifecycle.viewModelScope
import kotlinx.coroutines.flow.SharingStarted
import kotlinx.coroutines.flow.StateFlow
import kotlinx.coroutines.flow.map
import kotlinx.coroutines.flow.stateIn
import kotlinx.coroutines.launch
import java.util.Calendar

ttyhyjj

package com.example.spendly1

import androidx.room.Dao
import androidx.room.Delete
import androidx.room.Insert
import androidx.room.Query
import kotlinx.coroutines.flow.Flow

@Dao
interface GoalDao {

ttyhyjj

package com.example.spendly1

import androidx.room.Entity
import androidx.room.PrimaryKey

@Entity(tableName = "goals")
data class Goal(
    @PrimaryKey(autoGenerate = true) val id: Int = 0,
    val userLogin: String,//привязка к пользователю
    val title: String,//название цели

ttyhyjj

package com.example.spendly1

import androidx.compose.foundation.background
import androidx.compose.foundation.layout.*
import androidx.compose.foundation.shape.RoundedCornerShape
import androidx.compose.material3.Text
import androidx.compose.runtime.Composable
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.graphics.Color

ttyhyjj

package com.example.spendly1

import android.content.Context
import androidx.room.Database
import androidx.room.Room
import androidx.room.RoomDatabase

@Database(entities = [User::class, Transaction::class, Goal::class], version = 4)
abstract class AppDatabase : RoomDatabase() {
    abstract fun userDao(): UserDao

ttyhyjj

package com.example.spendly1

import com.example.spendly1.Transaction
import com.example.spendly1.CategorySum
import androidx.room.Dao
import androidx.room.Delete
import androidx.room.Insert
import androidx.room.Query
import kotlinx.coroutines.flow.Flow
@Dao

ttyhyjj

package com.example.spendly1

import androidx.room.Entity
import androidx.room.PrimaryKey

@Entity(tableName = "transactions")//бд
data class Transaction(
    @PrimaryKey(autoGenerate = true) val id : Int = 0,//присваивание новой записи ID
    val userLogin: String,//логин
    val title: String,//название

ttyhyjj

package com.example.spendly1

import androidx.compose.foundation.background
import androidx.compose.foundation.layout.*
import androidx.compose.material.icons.Icons
import androidx.compose.material.icons.filled.ArrowBack
import androidx.compose.material3.*
import androidx.compose.runtime.*
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier