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app/src/main/java/com/scholar/center/adapter/MaterialPagingAdapter.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,111 @@ | ||
| package com.scholar.center.adapter | ||
|
|
||
| import android.graphics.Paint | ||
| import android.view.LayoutInflater | ||
| import android.view.View | ||
| import android.view.ViewGroup | ||
| import androidx.paging.PagingDataAdapter | ||
| import androidx.recyclerview.widget.DiffUtil | ||
| import androidx.recyclerview.widget.RecyclerView | ||
| import com.bumptech.glide.Glide | ||
| import com.scholar.center.R | ||
| import com.scholar.center.databinding.SubjectItemBinding | ||
| import com.scholar.center.unit.Constants | ||
| import com.scholar.center.unit.applyDiscount | ||
| import com.scholar.domain.model.MaterialWithTeacher | ||
|
|
||
| class MaterialPagingAdapter( | ||
| diffCallback: DiffUtil.ItemCallback<MaterialWithTeacher>, | ||
| private val navigateToTeacher: ((Int) -> Unit)? = null, | ||
| private val navigateToDetails: (Int) -> Unit, | ||
| ) : | ||
| PagingDataAdapter<MaterialWithTeacher, MaterialPagingAdapter.ViewHolder>(diffCallback) { | ||
|
|
||
| override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder { | ||
| val binding = | ||
| SubjectItemBinding.inflate(LayoutInflater.from(parent.context), parent, false) | ||
| return ViewHolder(binding) | ||
| } | ||
|
|
||
|
|
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| override fun onBindViewHolder(holder: ViewHolder, position: Int) { | ||
| val item = getItem(position) | ||
|
|
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| if (item != null) { | ||
|
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|
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| holder.binding.materialSubjectText.text = item.material.title | ||
| val context = holder.itemView.context | ||
| if (item.teacher.name != null) { | ||
| holder.binding.materialSubjectTeacherText.text = item.teacher.name | ||
| } else { | ||
| holder.binding.materialSubjectTeacherText.visibility = View.GONE | ||
| holder.binding.materialSubjectTeacherImage.visibility = View.GONE | ||
| } | ||
|
|
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| holder.binding.materialSubjectNumberHoursText.text = | ||
| context.getString(R.string.hour, item.material.hoursNumberOfWeek) | ||
|
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| if (item.material.price != null && item.material.price != 0) { | ||
| if (item.material.discount != null && item.material.discount != 0) { | ||
| holder.binding.materialSubjectDiscountText.text = context.getString( | ||
| R.string.price_only, item.material.price | ||
| ) | ||
| holder.binding.materialSubjectDiscountText.paintFlags = | ||
| holder.binding.materialSubjectDiscountText.paintFlags or Paint.STRIKE_THRU_TEXT_FLAG | ||
| val discountedPrice = | ||
| item.material.price?.applyDiscount(item.material.discount ?: 0) | ||
|
|
||
| holder.binding.materialSubjectPriceText.text = context.getString( | ||
| R.string.syr, discountedPrice | ||
| ) | ||
| } else { | ||
| holder.binding.materialSubjectDiscountText.visibility = View.GONE | ||
| holder.binding.materialSubjectPriceText.text = context.getString( | ||
| R.string.syr, item.material.price | ||
| ) | ||
| } | ||
|
|
||
| } else { | ||
| holder.binding.materialSubjectPriceText.visibility = View.GONE | ||
| } | ||
| holder.binding.materialSubjectStarText.text = item.totalRate.toString() | ||
|
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||
| item.teacher.image?.let { image -> | ||
| Glide.with(holder.itemView) | ||
| .load("${Constants.BASE_URL}${image}") | ||
| .into(holder.binding.materialSubjectTeacherImage) | ||
| } | ||
|
|
||
| holder.itemView.setOnClickListener { | ||
| navigateToDetails(item.material.id) | ||
| } | ||
| holder.binding.materialSubjectTeacherText.setOnClickListener { | ||
| item.teacher.teacherId?.let { navigateToTeacher?.invoke(it) } | ||
| } | ||
| holder.binding.materialSubjectTeacherImage.setOnClickListener { | ||
| item.teacher.teacherId?.let { navigateToTeacher?.invoke(it) } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| class ViewHolder(val binding: SubjectItemBinding) : | ||
| RecyclerView.ViewHolder(binding.root) | ||
| } | ||
|
|
||
| object MaterialsComparator : DiffUtil.ItemCallback<MaterialWithTeacher>() { | ||
| override fun areItemsTheSame( | ||
| oldItem: MaterialWithTeacher, | ||
| newItem: MaterialWithTeacher, | ||
| ): Boolean { | ||
| // Id is unique. | ||
| return oldItem == newItem | ||
| } | ||
|
|
||
| override fun areContentsTheSame( | ||
| oldItem: MaterialWithTeacher, | ||
| newItem: MaterialWithTeacher, | ||
| ): Boolean { | ||
| return oldItem.material.id == newItem.material.id | ||
| } | ||
| } |
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