feat: Finish event details page
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025234a93b
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8CFC3837052871B4
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@ -1,15 +1,51 @@
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package com.p_vacho.neat_calendar.activities
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import android.os.Bundle
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import android.util.Log
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import android.view.View
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import android.widget.ImageButton
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import android.widget.TextView
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import androidx.activity.enableEdgeToEdge
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import androidx.appcompat.app.AppCompatActivity
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import androidx.core.view.ViewCompat
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import androidx.core.view.WindowInsetsCompat
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import androidx.lifecycle.lifecycleScope
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import androidx.recyclerview.widget.LinearLayoutManager
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import androidx.recyclerview.widget.RecyclerView
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import com.google.android.material.chip.Chip
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import com.p_vacho.neat_calendar.MyApplication
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import com.p_vacho.neat_calendar.R
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import com.p_vacho.neat_calendar.adapters.CategoryChipAdapter
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import com.p_vacho.neat_calendar.adapters.UserChipAdapter
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import com.p_vacho.neat_calendar.api.RetrofitClient
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import com.p_vacho.neat_calendar.api.models.CategoryResponse
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import com.p_vacho.neat_calendar.api.models.EventResponse
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import com.p_vacho.neat_calendar.api.models.UserResponse
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import kotlinx.coroutines.Deferred
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import kotlinx.coroutines.Dispatchers
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import kotlinx.coroutines.async
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import kotlinx.coroutines.launch
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import kotlinx.coroutines.withContext
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import java.time.format.DateTimeFormatter
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class EventDetailsActivity : AppCompatActivity() {
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private lateinit var event: EventResponse
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private lateinit var categories: Map<String, CategoryResponse>
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private lateinit var users: Map<String, UserResponse>
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// UI components
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private lateinit var btnBack: ImageButton
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private lateinit var tvEventTitle: TextView
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private lateinit var tvEventStartTime: TextView
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private lateinit var tvEventEndTime: TextView
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private lateinit var tvEventDescription: TextView
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private lateinit var rvEventCategories: RecyclerView
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private lateinit var rvEventAttendees: RecyclerView
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private lateinit var tvEventCreatedAt: TextView
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private lateinit var tvNoCategories: TextView
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private lateinit var tvNoAttendees: TextView
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private lateinit var tvEventOwner: TextView
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private lateinit var chipEventOwner: Chip
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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@ -21,7 +57,205 @@ class EventDetailsActivity : AppCompatActivity() {
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insets
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}
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initializeViews()
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@Suppress("DEPRECATION")
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event = intent.getParcelableExtra<EventResponse>("event")!!
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event = intent.getParcelableExtra("event")!!
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@Suppress("DEPRECATION")
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categories = intent.getParcelableArrayListExtra<CategoryResponse>("categories")?.associateBy { it.id } ?: emptyMap()
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@Suppress("DEPRECATION")
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users = intent.getParcelableArrayListExtra<UserResponse>("users")?.associateBy { it.user_id } ?: emptyMap()
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lifecycleScope.launch {
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// Collect tasks for missing data
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// This will also start the fetching coroutines
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val fetchCategoriesTask = determineCategoryFetchTask()
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val fetchUsersTask = determineUserFetchTask()
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// Await results
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val fetchedCategories = fetchCategoriesTask?.await()
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val fetchedUsers = fetchUsersTask?.await()
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// Update data maps
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if (fetchedCategories != null) categories = categories + fetchedCategories
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if (fetchedUsers != null) users = users + fetchedUsers
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setEventDetails()
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}
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}
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private fun initializeViews() {
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btnBack = findViewById(R.id.btnBack)
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tvEventTitle = findViewById(R.id.tvEventTitle)
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tvEventStartTime = findViewById(R.id.tvEventStartTime)
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tvEventEndTime = findViewById(R.id.tvEventEndTime)
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tvEventDescription = findViewById(R.id.tvEventDescription)
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rvEventCategories = findViewById(R.id.rvEventCategories)
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rvEventAttendees = findViewById(R.id.rvEventAttendees)
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tvEventCreatedAt = findViewById(R.id.tvEventCreatedAt)
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tvNoCategories = findViewById(R.id.tvNoCategories)
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tvNoAttendees = findViewById(R.id.tvNoAttendees)
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tvEventOwner = findViewById(R.id.tvEventOwner)
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chipEventOwner = findViewById(R.id.chipEventOwner)
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rvEventCategories.layoutManager = LinearLayoutManager(this, LinearLayoutManager.HORIZONTAL, false)
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rvEventCategories.adapter = CategoryChipAdapter(emptyList(), isRemovable = false)
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rvEventAttendees.layoutManager = LinearLayoutManager(this, LinearLayoutManager.HORIZONTAL, false)
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rvEventAttendees.adapter = UserChipAdapter(emptyList())
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btnBack.setOnClickListener { finish() }
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}
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/**
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* Populate the individual UI items with actual content about the event.
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*
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* This can only be called once all of the necessary data is fetched.
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*/
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private fun setEventDetails() {
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// Set basic event details
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tvEventTitle.text = event.title
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tvEventStartTime.text = getString(R.string.event_start_time, formatDateTime(event.start_time.toLocalDateTime()))
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tvEventEndTime.text = getString(R.string.event_end_time, formatDateTime(event.end_time.toLocalDateTime()))
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tvEventDescription.text = event.description
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tvEventCreatedAt.text = getString(R.string.event_created_at, formatDateTime(event.created_at.toLocalDateTime()))
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val userId = (application as MyApplication).tokenManager.userId
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// Set categories or show the placeholder
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val categoryList = event.category_ids.mapNotNull { categories[it] }
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rvEventCategories.adapter = CategoryChipAdapter(categoryList, isRemovable = false)
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tvNoCategories.visibility = if (categoryList.isEmpty()) View.VISIBLE else View.GONE
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if (event.owner_user_id == userId) {
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tvNoCategories.text = getString(R.string.no_categories_placeholder)
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} else {
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tvNoCategories.text = getString(R.string.no_invited_categories_placeholder)
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}
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// Set attendees or show the placeholder
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val attendeeList = event.attendee_ids.mapNotNull { users[it] }
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rvEventAttendees.adapter = UserChipAdapter(attendeeList)
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tvNoAttendees.visibility = if (attendeeList.isEmpty()) View.VISIBLE else View.GONE
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tvNoAttendees.text = getString(R.string.no_attendees_placeholder)
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// Show the owner section only if this event isn't owned by the logged user
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if (event.owner_user_id != userId) {
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val owner = users[event.owner_user_id]
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if (owner == null) throw IllegalStateException("Event owner wasn't fetched")
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tvEventOwner.visibility = View.VISIBLE
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chipEventOwner.visibility = View.VISIBLE
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chipEventOwner.text = owner.username
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} else {
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tvEventOwner.visibility = View.GONE
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chipEventOwner.visibility = View.GONE
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}
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}
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/**
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* Determines whether event categories need to be fetched.
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*
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* Categories will be fetched if:
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* - They weren't already set
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* - One (or more) of the event categories wasn't found in the list of existing categories.
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* Note that this case will also produce a warning.
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*
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* Categories won't be fetched if the currently logged in user isn't also the event owner,
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* as they don't have the rights to access the invitor's categories.
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*
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* This will return back a Deferred object, being obtained in an already started coroutine.
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*/
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private fun determineCategoryFetchTask(): Deferred<Map<String, CategoryResponse>>? {
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val userId = (application as MyApplication).tokenManager.userId
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if (userId != event.owner_user_id) return null
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return if (categories.isEmpty()) {
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lifecycleScope.async { fetchEventCategories(event.id) }
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} else if (categories.keys.intersect(event.category_ids).size != event.category_ids.size) {
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Log.w(
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"EventDetailsActivity",
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"One or more of the event categories wasn't found in the list of categories. Categories will be re-fetched."
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)
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lifecycleScope.async { fetchEventCategories(event.id) }
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} else null
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}
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/**
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* Determines which users need to be fetched and creates a fetch task if necessary.
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*
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* This will fetch all the users that are attending the event and the event's user id,
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* skipping any users that are already fetched. Note that if any of the event attendees
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* aren't already in the users list, yet the list isn't empty, a warning will be produced.
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*
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* This will return back a Deferred object, being obtained in an already started coroutine.
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*/
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private fun determineUserFetchTask(): Deferred<Map<String, UserResponse>>? {
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val userIdsToFetch = mutableSetOf<String>().apply {
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if (users.isEmpty()) {
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addAll(event.attendee_ids)
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add(event.owner_user_id)
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} else {
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if (!users.containsKey(event.owner_user_id)) add(event.owner_user_id)
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// Check for missing attendees and log a warning for each
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val missingAttendees = event.attendee_ids.filter { !users.containsKey(it) }
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if (missingAttendees.isNotEmpty()) {
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missingAttendees.forEach { attendeeId ->
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Log.w(
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"EventDetailsActivity",
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"Missing attendee ID: $attendeeId in the provided users list. Will fetch it additionally."
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)
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}
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addAll(missingAttendees)
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}
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}
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}
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return if (userIdsToFetch.isNotEmpty()) {
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lifecycleScope.async { fetchUsers(userIdsToFetch.toList()) }
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} else null
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}
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/**
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* Fetch all the categories of given event.
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*
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* This will return a hash map, with the category IDs as keys.
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*/
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private suspend fun fetchEventCategories(eventId: String): Map<String, CategoryResponse> {
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val fetchedCategories = withContext(Dispatchers.IO) {
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RetrofitClient.categoryService.eventCategories(eventId)
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}
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return fetchedCategories.associateBy { it.id }
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}
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/**
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* Fetch all the requested users (by IDs).
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*
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* This will return a hash map, with the user IDs as keys.
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*
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* Note that this will make an API request for each requested user ID.
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* These requests will be made in parallel.
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*/
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private suspend fun fetchUsers(userIds: List<String>): Map<String, UserResponse> {
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val fetchedUsers = withContext(Dispatchers.IO) {
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val usersDeferred = userIds.map { async { RetrofitClient.usersService.getUser(it) }}
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usersDeferred.map { it.await() }
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}
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return fetchedUsers.associateBy { it.user_id }
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}
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/**
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* Format a date time object into a string.
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*
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* This is used to format the datetime shown for the event start, end & creation times.
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*/
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private fun formatDateTime(dateTime: java.time.LocalDateTime): String {
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return dateTime.format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm"))
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}
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}
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@ -0,0 +1,30 @@
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package com.p_vacho.neat_calendar.adapters
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import android.view.LayoutInflater
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import android.view.ViewGroup
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import androidx.recyclerview.widget.RecyclerView
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import com.google.android.material.chip.Chip
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import com.p_vacho.neat_calendar.R
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import com.p_vacho.neat_calendar.api.models.UserResponse
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class UserChipAdapter(
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private val users: List<UserResponse>
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) : RecyclerView.Adapter<UserChipAdapter.UserChipViewHolder>() {
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inner class UserChipViewHolder(val chip: Chip) : RecyclerView.ViewHolder(chip)
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override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): UserChipViewHolder {
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val chip = LayoutInflater.from(parent.context)
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.inflate(R.layout.item_user_chip, parent, false) as Chip
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return UserChipViewHolder(chip)
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}
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override fun onBindViewHolder(holder: UserChipViewHolder, position: Int) {
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val user = users[position]
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val chip = holder.chip
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chip.text = user.username
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}
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override fun getItemCount(): Int = users.size
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}
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@ -1,13 +1,16 @@
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package com.p_vacho.neat_calendar.api.models
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import android.os.Parcelable
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import kotlinx.parcelize.Parcelize
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import java.time.OffsetDateTime
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@Parcelize
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data class UserResponse(
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val user_id: String,
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val username: String,
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val email: String,
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val created_at: OffsetDateTime,
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)
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) : Parcelable
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data class PartialUserRequest(
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val username: String?,
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@ -121,7 +121,7 @@
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android:textSize="14sp"
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android:textColor="?android:attr/textColorPrimary"
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android:textStyle="bold"
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tools:text="Categories:" />
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android:text="@string/categories_section" />
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<androidx.recyclerview.widget.RecyclerView
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android:id="@+id/rvEventCategories"
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tools:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
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tools:orientation="horizontal" />
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<!-- Placeholder for empty categories -->
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<TextView
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android:id="@+id/tvNoCategories"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:layout_marginTop="8dp"
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android:gravity="center"
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android:text="@string/no_categories_placeholder"
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android:textSize="14sp"
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android:textColor="?android:attr/textColorSecondary"
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android:visibility="gone" />
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<!-- Attendees Section -->
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<TextView
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android:id="@+id/tvEventAttendees"
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android:textSize="14sp"
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android:textColor="?android:attr/textColorPrimary"
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android:textStyle="bold"
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tools:text="Attendees:" />
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android:text="@string/attendees_section" />
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<androidx.recyclerview.widget.RecyclerView
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android:id="@+id/rvEventAttendees"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:layout_marginTop="8dp"
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tools:listitem="@layout/item_attendee_chip"
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tools:listitem="@layout/item_user_chip"
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tools:itemCount="3"
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tools:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
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tools:orientation="horizontal" />
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<!-- Placeholder for empty attendees -->
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<TextView
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android:id="@+id/tvNoAttendees"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:layout_marginTop="8dp"
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android:gravity="center"
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android:text="@string/no_attendees_placeholder"
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android:textSize="14sp"
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android:textColor="?android:attr/textColorSecondary"
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android:visibility="gone" />
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<!-- Event Owner Section -->
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<TextView
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android:id="@+id/tvEventOwner"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:layout_marginTop="12dp"
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android:textSize="14sp"
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android:textColor="?android:attr/textColorPrimary"
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android:textStyle="bold"
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android:text="@string/event_owner_section" />
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<include
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android:id="@+id/chipEventOwner"
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layout="@layout/item_user_chip"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:layout_marginTop="8dp" />
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<!-- Created At -->
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<TextView
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android:id="@+id/tvEventCreatedAt"
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</LinearLayout>
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</androidx.cardview.widget.CardView>
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</androidx.constraintlayout.widget.ConstraintLayout>
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@ -87,4 +87,13 @@
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<string name="event_details">Event Details</string>
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<string name="category_name">Category Name</string>
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<string name="open_categories">Open category management</string>
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<string name="event_start_time">"Start: %1$s"</string>
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<string name="event_end_time">End: %1$s</string>
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<string name="event_created_at">Created on: %1$s</string>
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<string name="categories_section">Categories:</string>
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<string name="attendees_section">Attendees:</string>
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<string name="no_attendees_placeholder">This event has no attendees.</string>
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<string name="no_categories_placeholder">This event has no categories.</string>
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<string name="event_owner_section">Event owner:</string>
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<string name="no_invited_categories_placeholder">You can\'t see categories for invited events</string>
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</resources>
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