Mavzu: Baraka – Savdo online savdo tizimini loyihalash Reja

viewModel.error.observe(this, Observer {
showError(it)
})

viewModel.progress.observe(this, Observer {
setProgress(it)
})

supportFragmentManager.beginTransaction().add(R.id.container, homeFragment, homeFragment.tag)
.hide(homeFragment).commit()
supportFragmentManager.beginTransaction().add(R.id.container, favouriteFragment, favouriteFragment.tag)
.hide(favouriteFragment).commit()
supportFragmentManager.beginTransaction().add(R.id.container, cartFragment, cartFragment.tag)
.hide(cartFragment).commit()
supportFragmentManager.beginTransaction().add(R.id.container, ordersFragment, ordersFragment.tag)
.hide(ordersFragment).commit()
supportFragmentManager.beginTransaction().add(R.id.container, userFragment, userFragment.tag)
.hide(userFragment).commit()
supportFragmentManager.beginTransaction().show(activeFragment).commit()

binding.navBottom.setOnItemSelectedListener {
when (it.itemId) {
R.id.homeFragment -> {
supportFragmentManager.beginTransaction().hide(activeFragment)
.show(homeFragment).commit()
activeFragment = homeFragment
}
R.id.favouriteFragment -> {
supportFragmentManager.beginTransaction().hide(activeFragment)
.show(favouriteFragment).commit()
activeFragment = favouriteFragment
}
R.id.cartFragment -> {
supportFragmentManager.beginTransaction().hide(activeFragment)
.show(cartFragment).commit()
activeFragment = cartFragment
}
R.id.orderFragment -> {
supportFragmentManager.beginTransaction().hide(activeFragment)
.show(ordersFragment).commit()
activeFragment = ordersFragment
}
R.id.userFragment -> {
supportFragmentManager.beginTransaction().hide(activeFragment)
.show(userFragment).commit()
activeFragment = userFragment
}
}

return@setOnItemSelectedListener true
}

if(intent.hasExtra(Constants.EXTRA_DATA)){

// binding.navBottom.postDelayed({
binding.navBottom.selectedItemId = intent.getIntExtra(Constants.EXTRA_DATA, R.id.homeFragment)
// }, 1000)
}

}

override fun loadData() {

}

override fun initData() {

}

override fun updateData() {

}

}

1. 
   
   
• 
  package uz.bdm.base.screen.main.home
  
  import android.content.Intent
  import android.os.Bundle
  import android.os.CountDownTimer
  import android.view.ViewGroup
  import android.widget.ImageView
  import android.widget.LinearLayout
  import androidx.core.content.ContextCompat
  import androidx.lifecycle.Observer
  import androidx.lifecycle.ViewModelProvider
  import androidx.recyclerview.widget.GridLayoutManager
  import androidx.recyclerview.widget.LinearLayoutManager
  import androidx.viewpager2.widget.ViewPager2
  import org.greenrobot.eventbus.EventBus
  import org.greenrobot.eventbus.Subscribe
  import uz.bdm.base.R
  import uz.bdm.base.base.BaseAdapterListener
  import uz.bdm.base.base.BaseFragment
  import uz.bdm.base.base.showError
  import uz.bdm.base.databinding.FragmentHomeBinding
  import uz.bdm.base.model.*
  import uz.bdm.base.screen.main.category.CategoryDetailActivity
  import uz.bdm.base.screen.main.MainViewModel
  import uz.bdm.base.screen.main.productlist.ProductDetailActivity
  import uz.bdm.base.screen.main.productlist.ProductListActivity
  import uz.bdm.base.utils.Constants
  import uz.bdm.base.utils.Prefs
  import uz.bdm.base.view.adapters.BranchListAdapter
  import uz.bdm.base.view.adapters.CategoryAdapter
  import uz.bdm.base.view.adapters.PagerAdapter
  import uz.bdm.base.view.adapters.TopProductAdapter
  
  class HomeFragment : BaseFragment() {
  
  companion object {
  @JvmStatic
  fun newInstance() = HomeFragment()
  }
  
  private var countDownTimer: CountDownTimer? = null
  private lateinit var pagerAdapter: PagerAdapter
  private var count: Int = 0
  
  lateinit var viewModel: MainViewModel
  
  private var branchId: String = ""
  private var categoryItemById = ArrayList()
  
  var requestProductModel = RequestProductModel(
  "", "", "",
  "", true, emptyList()
  )
  
  override fun getViewBinding(): FragmentHomeBinding = FragmentHomeBinding.inflate(layoutInflater)
  
  override fun setupViews() {
  viewModel = ViewModelProvider(this)[MainViewModel::class.java]
  
  binding.swipe.setOnRefreshListener {
  loadData()
  }

  viewModel.progress.observe(this, Observer {

  
  binding.swipe.isRefreshing = false
  })
  
  viewModel.error.observe(this, Observer {
  requireActivity().showError(it)
  })
  
  viewModel.branchListData.observe(this, Observer {

  if (Prefs.getSelectedBranch() == null) {

  
  it[0].checked = true
  requestProductModel.branchId = it[0].id
  viewModel.getCategory(it[0].id)
  Prefs.setSelectedBranch(it[0])
  } else {
  it.forEach { item ->
  if (item.id == Prefs.getSelectedBranch()!!.id) {
  item.checked = true
  }
  }
  requestProductModel.branchId = Prefs.getSelectedBranch()!!.id
  viewModel.getCategory(Prefs.getSelectedBranch()!!.id)
  }
  
  viewModel.getProducts(Prefs.getSelectedBranch()!!.id,requestProductModel)
  binding.rvBranchList.adapter = BranchListAdapter(it, object : BaseAdapterListener {
  override fun onClickItem(item: Any?) {
  item as BranchModel
  Prefs.setSelectedBranch(item)
  branchId = item.id
  viewModel.getCategory(branchId)
  requestProductModel.branchId = item.id
  viewModel.getProducts(Prefs.getSelectedBranch()!!.id,requestProductModel)
  }
  })
  
  })
  
  viewModel.offerData.observe(this, Observer {
  count = it.size
  pagerAdapter = PagerAdapter(it)
  binding.viewPager.adapter = pagerAdapter
  timer()
  setPagerAdapter()
  setIndicator()
  setUpActiveIndicator(0)
  })
  
  viewModel.categoryData.observe(this, Observer {
  
  Prefs.setCategories(it)
  
  categoryItemById.clear()
  it.forEach { item ->
  if (item.category_id == "00000000-0000-0000-0000-000000000000") {
  categoryItemById.add(item)
  }
  }
  binding.rvCategory.adapter =
  CategoryAdapter(categoryItemById, object : BaseAdapterListener {
  override fun onClickItem(item: Any?) {
  item as CategoryModel
  Prefs.setCategoryItem(item)
  if(Prefs.getCategories()?.filter { it.category == item.name }.isNullOrEmpty()){
  val intent = Intent(requireContext(), ProductListActivity::class.java)
  intent.putExtra(Constants.EXTRA_DATA, item.id)
  startActivity(intent)
  } else {
  val intent = Intent(requireContext(),CategoryDetailActivity::class.java)
  intent.putExtra(Constants.EXTRA_DATA, item)
  startActivity(intent)
  }

  }
  })

  
  })
  
  viewModel.productsData.observe(this, Observer {
  binding.rvTopProduct.adapter = TopProductAdapter(it, object:BaseAdapterListener{
  override fun onClickItem(item: Any?) {
  item as ProductModel
  val intent = Intent(requireContext(),ProductDetailActivity::class.java)
  intent.putExtra(Constants.EXTRA_DATA,item)
  startActivity(intent)
  }
  })
  })
  binding.rvBranchList.layoutManager =
  LinearLayoutManager(requireContext(), LinearLayoutManager.HORIZONTAL, false)
  binding.rvCategory.layoutManager = GridLayoutManager(requireContext(), 2)
  binding.rvTopProduct.layoutManager = GridLayoutManager(requireContext(), 2)

  }
  
  override fun loadData() {

  
  viewModel.getOffer()
  viewModel.getBranchList()
  }
  
  override fun setData() {
  }
  
  private fun setPagerAdapter() {
  binding.viewPager.registerOnPageChangeCallback(object : ViewPager2.OnPageChangeCallback() {
  override fun onPageSelected(position: Int) {
  super.onPageSelected(position)
  setUpActiveIndicator(position)
  }
  })
  }
  
  private fun setIndicator() {
  binding.indicatorContainer.removeAllViews()
  val indicators = arrayOfNulls(pagerAdapter.itemCount)
  val layoutParams: LinearLayout.LayoutParams =
  LinearLayout.LayoutParams(
  ViewGroup.LayoutParams.WRAP_CONTENT,
  ViewGroup.LayoutParams.WRAP_CONTENT
  )
  layoutParams.setMargins(6, 0, 6, 0)
  for (i in indicators.indices) {
  indicators[i] = ImageView(requireContext())
  indicators[i]?.setImageDrawable(
  ContextCompat.getDrawable(requireContext(), R.drawable.indicator_deactive)
  )
  indicators[i]?.layoutParams = layoutParams
  binding.indicatorContainer.addView(indicators[i])
  }

  }
  
  private fun setUpActiveIndicator(position: Int) {

  
  val childCount = binding.indicatorContainer.childCount
  for (i in 0 until childCount) {
  val indicator = binding.indicatorContainer.getChildAt(i) as ImageView
  if (i == position) {
  indicator.setImageDrawable(
  ContextCompat.getDrawable(
  requireActivity(),
  R.drawable.indicator_active
  )
  )
  } else {
  indicator.setImageDrawable(
  ContextCompat.getDrawable(
  requireActivity(),
  R.drawable.indicator_deactive
  )
  )
  }
  }
  }