We’ve built a towering pile of shite(shkspr.mobi)

    import android.database.sqlite.SQLiteDatabase
    import android.os.Bundle
    import android.view.LayoutInflater
    import android.view.View
    import android.view.ViewGroup
    import android.widget.EditText
    import android.widget.TextView
    import androidx.appcompat.app.AppCompatActivity
    import androidx.core.widget.addTextChangedListener
    import androidx.recyclerview.widget.DiffUtil
    import androidx.recyclerview.widget.LinearLayoutManager
    import androidx.recyclerview.widget.RecyclerView
    import kotlin.concurrent.thread

    class ListItemVH(val view: TextView) : RecyclerView.ViewHolder(view)

    class HNActivity : AppCompatActivity() {
        private lateinit var recycler: RecyclerView
        private val adapter = object: RecyclerView.Adapter<ListItemVH>() {
            private var _items = listOf<String>()
            fun setItems(newItems: List<String>) {
                DiffUtil.calculateDiff(object: DiffUtil.Callback() {
                    override fun getOldListSize(): Int = _items.size
                    override fun getNewListSize(): Int = newItems.size
                    override fun areItemsTheSame(oldItemPosition: Int, newItemPosition: Int) =
                        _items[oldItemPosition] == newItems[newItemPosition]
                    override fun areContentsTheSame(oldItemPosition: Int, newItemPosition: Int) =
                        _items[oldItemPosition] == newItems[newItemPosition]

                }, true)
                _items = newItems
            }
            override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ListItemVH {
                val v = TextView(parent.context)
                return ListItemVH(v)
            }

            override fun getItemCount(): Int = _items.size
            override fun onBindViewHolder(holder: ListItemVH, position: Int) {
                holder.view.text = _items[position]
            }
        }
        private var search: String? = null
        override fun onCreate(savedInstanceState: Bundle?) {
            super.onCreate(savedInstanceState)
            setContentView(R.layout.activity_scrolling)
    
            recycler = findViewById<RecyclerView>(R.id.fab)
            recycler.adapter = adapter
            recycler.layoutManager = LinearLayoutManager(this, LinearLayoutManager.VERTICAL, false)

            findViewById<EditText>(R.id.toolbar).addTextChangedListener {
                search = it?.toString()?.takeIf { str -> str != null }
            }
        }

        private fun performSearch() {
            thread {
                val db = SQLiteDatabase.openOrCreateDatabase("items.sqlite", null)
                val query = when (search) {
                    null -> "SELECT text FROM table"
                    else -> "SELECT text FROM table WHERE text = ?%"
                }
                val args = listOfNotNull(search).toTypedArray()
                val res = db.rawQuery(query, args)
                val text = mutableListOf<String>()
                while (!res.isAfterLast) {
                    text += res.getString(0)
                }
               
                adapter.setItems(text)
                res.close()
                db.close()
            }
        }

        override fun onResume() {
            super.onResume()
            performSearch()
        }
    }

  curl -sSL https://raw.githubusercontent.com/python-poetry/poetry/master/get-poetry.py | python

  venv/bin/pip install