Added cart feature

app/build.gradle

@@ -38,9 +38,9 @@ android {
 }
 
 dependencies {
-    implementation 'androidx.legacy:legacy-support-v4:1.0.0'
+
     implementation 'com.google.firebase:firebase-firestore:24.2.0'
-    def nav_version = "2.4.2"
+    def nav_version = '2.5.0'
 
     implementation 'androidx.core:core-ktx:1.8.0'
     implementation 'androidx.appcompat:appcompat:1.4.2'
@@ -78,12 +78,12 @@ dependencies {
     implementation 'com.github.denzcoskun:ImageSlideshow:0.1.0'
 
     //Room
-    def roomVersion = "2.4.2"
+    def roomVersion = "2.5.0-alpha02"
 
     implementation("androidx.room:room-runtime:$roomVersion")
     kapt("androidx.room:room-compiler:$roomVersion")
     implementation("androidx.room:room-ktx:$roomVersion")
 
     //Coroutines
-    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-android:1.6.1")
+    implementation('org.jetbrains.kotlinx:kotlinx-coroutines-android:1.6.3')
 }

app/src/main/java/devs/redfox/local_e_commerce/MainActivity.kt

@@ -10,6 +10,7 @@ import devs.redfox.local_e_commerce.databinding.ActivityMainBinding
 
 class MainActivity : AppCompatActivity() {
     private lateinit var binding: ActivityMainBinding
+    var i = 0
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         binding = ActivityMainBinding.inflate(layoutInflater)
@@ -22,20 +23,36 @@ class MainActivity : AppCompatActivity() {
         popupMenu.inflate(R.menu.bottom_nav)
         binding.bottomBar.setupWithNavController(popupMenu.menu,navController)
 
-        navController.addOnDestinationChangedListener(object: NavController.OnDestinationChangedListener{
-            override fun onDestinationChanged(
-                controller: NavController,
-                destination: NavDestination,
-                arguments: Bundle?
-            ) {
-                title = when(destination.id){
-                    R.id.cartFragment -> "My Cart"
-                    R.id.moreFragment -> "My Dashboard"
-                    R.id.homeFragment -> "Home"
-                    else -> "LocalECommerce"
+//        navController.addOnDestinationChangedListener(object: NavController.OnDestinationChangedListener{
+//            override fun onDestinationChanged(
+//                controller: NavController,
+//                destination: NavDestination,
+//                arguments: Bundle?
+//            ) {
+//                title = when(destination.id){
+//                    R.id.cartFragment -> "My Cart"
+//                    R.id.moreFragment -> "My Dashboard"
+//                    R.id.homeFragment -> "Home"
+//                    else -> "LocalECommerce"
+//                }
+//            }
+//
+//        })
+        binding.bottomBar.onItemSelected = {
+            when(it){
+                0 -> {
+                    i=0
+                    navController.navigate(R.id.homeFragment)
                 }
+                1 -> i=1
+                2 -> i=2
             }
-
-        })
+        }
+    }
+    override fun onBackPressed(){
+        super.onBackPressed()
+        if(i==0){
+            finish()
+        }
     }
 }

app/src/main/java/devs/redfox/local_e_commerce/activity/ProductDetailActivity.kt

@@ -1,24 +1,34 @@
 package devs.redfox.local_e_commerce.activity
 
+import android.content.Intent
 import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
 import android.widget.Toast
+import androidx.lifecycle.lifecycleScope
 import com.denzcoskun.imageslider.constants.ScaleTypes
 import com.denzcoskun.imageslider.models.SlideModel
 import com.google.firebase.firestore.ktx.firestore
 import com.google.firebase.ktx.Firebase
+import devs.redfox.local_e_commerce.MainActivity
 import devs.redfox.local_e_commerce.R
+import devs.redfox.local_e_commerce.database.AppDatabase
+import devs.redfox.local_e_commerce.database.ProductDao
+import devs.redfox.local_e_commerce.database.ProductModel
 import devs.redfox.local_e_commerce.databinding.ActivityCategoryBinding
 import devs.redfox.local_e_commerce.databinding.ActivityProductDetailBinding
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
 
 class ProductDetailActivity : AppCompatActivity() {
     private lateinit var binding: ActivityProductDetailBinding
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         binding = ActivityProductDetailBinding.inflate(layoutInflater)
+        setContentView(binding.root)
+
 
         getProductDetails(intent.getStringExtra("id"))
-        setContentView(binding.root)
+
 
     }
 
@@ -27,19 +37,72 @@ class ProductDetailActivity : AppCompatActivity() {
         Firebase.firestore.collection("products")
             .document(proId!!).get().addOnSuccessListener {
                 val list = it.get("productImages") as ArrayList<String>
-                binding.textView7.text = it.getString("productName")
-                binding.textView8.text = it.getString("productSp")
-                binding.textView9.text = it.getString("productDescription")
+                val name = it.getString("productName")
+                val productSp = it.getString("productSp")
+                val productDesc = it.getString("productDescription")
+
+                binding.textView7.text = name
+                binding.textView8.text = productSp
+                binding.textView9.text = productDesc
 
                 val slideList = ArrayList<SlideModel>()
                 for(data in list) {
                 slideList.add(SlideModel(data,ScaleTypes.CENTER_CROP))
                 }
 
+                cartAction(proId,name,productSp,it.getString("productCoverImg"))
+
                 binding.imageSlider.setImageList(slideList)
 
             }.addOnFailureListener {
         Toast.makeText(this, "Something went wrong", Toast.LENGTH_SHORT).show()
             }
     }
+
+    private fun cartAction(proId: String, name: String?, productSp: String?, coverImg: String?) {
+
+        val productDao = AppDatabase.getInstance(this).productDao()
+
+        if(productDao.isExit(proId)!=null){
+            binding.textView10.text = "Go to Cart"
+        }else{
+            binding.textView10.text = "Add to Cart"
+        }
+
+        binding.textView10.setOnClickListener {
+            if(productDao.isExit(proId)!=null){
+               openCart()
+            }else{
+                if (coverImg != null) {
+                    addToCart(productDao,proId,name,productSp,coverImg)
+                }
+            }
+        }
+    }
+
+    private fun addToCart(
+        productDao: ProductDao,
+        proId: String,
+        name: String?,
+        productSp: String?,
+        coverImg: String?
+    ) {
+
+        val data = ProductModel(proId,name,coverImg,productSp)
+        lifecycleScope.launch(Dispatchers.IO){
+            productDao.insertProduct(data)
+            binding.textView10.text = "Go to Cart"
+        }
+    }
+
+    private fun openCart() {
+
+        val preference = this.getSharedPreferences("info", MODE_PRIVATE)
+        val editor = preference.edit()
+        editor.putBoolean("isCart",true)
+        editor.apply()
+
+        startActivity(Intent(this,MainActivity::class.java))
+        finish()
+    }
 }

app/src/main/java/devs/redfox/local_e_commerce/database/ProductDao.kt

@@ -1,22 +1,20 @@
 package devs.redfox.local_e_commerce.database
 
-import androidx.room.Dao
-import androidx.room.Delete
-import androidx.room.Insert
-import androidx.room.Query
+import androidx.lifecycle.LiveData
+import androidx.room.*
 
 @Dao
 interface ProductDao {
 
-    @Insert
-    suspend fun insertProduct(product:ProductModel)
+    @Insert(onConflict = OnConflictStrategy.IGNORE)
+    suspend fun insertProduct(vararg product:ProductModel)
 
     @Delete
-    suspend fun deleteProduct(product:ProductModel)
+    suspend fun deleteProduct(vararg product:ProductModel)
 
     @Query("SELECT * FROM products")
-    fun getAllProducts():List<ProductModel>
+    fun getAllProducts(): LiveData<List<ProductModel>>
 
     @Query("SELECT * FROM products WHERE productId = :id")
-    fun isExit(id:String):ProductModel
+    fun isExit(id : String) : ProductModel
 }

app/src/main/java/devs/redfox/local_e_commerce/database/ProductModel.kt

@@ -12,8 +12,8 @@ data class ProductModel (
     val productId : String,
     @ColumnInfo(name = "productName")
     val productName : String? = "",
-    @ColumnInfo(name = "")
-    val productImage : String? = "productImage",
+    @ColumnInfo(name = "productImage")
+    val productImage : String? = "",
     @ColumnInfo(name = "productSp")
     val productSp : String? = "",
 

app/src/main/java/devs/redfox/local_e_commerce/fragment/CartFragment.kt

@@ -5,56 +5,28 @@ import androidx.fragment.app.Fragment
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import androidx.appcompat.app.AppCompatActivity
 import devs.redfox.local_e_commerce.R
+import devs.redfox.local_e_commerce.databinding.FragmentHomeBinding
 
-// TODO: Rename parameter arguments, choose names that match
-// the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
-private const val ARG_PARAM1 = "param1"
-private const val ARG_PARAM2 = "param2"
 
-/**
- * A simple [Fragment] subclass.
- * Use the [CartFragment.newInstance] factory method to
- * create an instance of this fragment.
- */
 class CartFragment : Fragment() {
-    // TODO: Rename and change types of parameters
-    private var param1: String? = null
-    private var param2: String? = null
-
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-        arguments?.let {
-            param1 = it.getString(ARG_PARAM1)
-            param2 = it.getString(ARG_PARAM2)
-        }
-    }
-
+    private var _binding: FragmentHomeBinding? = null
+    private val binding
+        get() = _binding!!
     override fun onCreateView(
         inflater: LayoutInflater, container: ViewGroup?,
         savedInstanceState: Bundle?
     ): View? {
         // Inflate the layout for this fragment
-        return inflater.inflate(R.layout.fragment_cart, container, false)
-    }
+        _binding = FragmentHomeBinding.inflate(inflater, container, false)
+
+        val preference = requireContext().getSharedPreferences("info", AppCompatActivity.MODE_PRIVATE)
+        val editor = preference.edit()
+        editor.putBoolean("isCart",false)
+        editor.apply()
 
-    companion object {
-        /**
-         * Use this factory method to create a new instance of
-         * this fragment using the provided parameters.
-         *
-         * @param param1 Parameter 1.
-         * @param param2 Parameter 2.
-         * @return A new instance of fragment CartFragment.
-         */
-        // TODO: Rename and change types and number of parameters
-        @JvmStatic
-        fun newInstance(param1: String, param2: String) =
-            CartFragment().apply {
-                arguments = Bundle().apply {
-                    putString(ARG_PARAM1, param1)
-                    putString(ARG_PARAM2, param2)
-                }
-            }
+        return binding.root
     }
+
 }

app/src/main/java/devs/redfox/local_e_commerce/fragment/HomeFragment.kt

@@ -1,15 +1,20 @@
 package devs.redfox.local_e_commerce.fragment
 
+import android.content.Intent
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import androidx.appcompat.app.AppCompatActivity
 import androidx.fragment.app.Fragment
+import androidx.navigation.fragment.findNavController
 import com.bumptech.glide.Glide
 import com.google.firebase.firestore.FirebaseFirestore
 import com.google.firebase.firestore.ktx.firestore
 import com.google.firebase.firestore.ktx.toObject
 import com.google.firebase.ktx.Firebase
+import devs.redfox.local_e_commerce.R
+import devs.redfox.local_e_commerce.activity.ProductDetailActivity
 import devs.redfox.local_e_commerce.adapter.CategoryAdapter
 import devs.redfox.local_e_commerce.adapter.ProductAdapter
 import devs.redfox.local_e_commerce.databinding.FragmentHomeBinding
@@ -28,6 +33,16 @@ class HomeFragment : Fragment() {
     ): View? {
         _binding = FragmentHomeBinding.inflate(inflater, container, false)
 
+        binding.button2.setOnClickListener {
+            val intent = Intent(requireContext(),ProductDetailActivity::class.java)
+            startActivity(intent)
+        }
+
+        val preference = requireContext().getSharedPreferences("info", AppCompatActivity.MODE_PRIVATE)
+
+        if(preference.getBoolean("isCart",false))
+            findNavController().navigate(R.id.action_homeFragment_to_cartFragment)
+
         getCategories()
         getSliderImage()
         getProducts()

app/src/main/res/layout/fragment_home.xml

@@ -18,6 +18,7 @@
         android:orientation="vertical">
 
     <com.google.android.material.card.MaterialCardView
+        android:id="@+id/button2"
         android:layout_height="190dp"
         android:layout_width="match_parent"
         app:cardCornerRadius="20dp">

app/src/main/res/navigation/nav_graph.xml

@@ -14,7 +14,11 @@
         android:id="@+id/homeFragment"
         android:name="devs.redfox.local_e_commerce.fragment.HomeFragment"
         android:label="fragment_home"
-        tools:layout="@layout/fragment_home" />
+        tools:layout="@layout/fragment_home" >
+        <action
+            android:id="@+id/action_homeFragment_to_cartFragment"
+            app:destination="@id/cartFragment" />
+    </fragment>
     <fragment
         android:id="@+id/moreFragment"
         android:name="devs.redfox.local_e_commerce.fragment.MoreFragment"

gradle.properties

@@ -20,4 +20,5 @@ kotlin.code.style=official
 # Enables namespacing of each library's R class so that its R class includes only the
 # resources declared in the library itself and none from the library's dependencies,
 # thereby reducing the size of the R class for that library
-android.nonTransitiveRClass=true
+android.nonTransitiveRClass=true
+android.enableJetifier=true