Files
nirvana-ios/nirvana-ios/Views/InnerCircle/CircleGridView.swift
T

455 lines
20 KiB
Swift

//
// CircleGridView.swift
// nirvana-ios
//
// Created by Arjun Patel on 12/20/21.
//
import SwiftUI
import NavigationStack
import AVKit
struct CircleGridView: View {
@EnvironmentObject var innerCircleVM: InnerCircleViewModel
@EnvironmentObject var authSessionStore: AuthSessionStore
@EnvironmentObject var navigationStack: NavigationStack
@State var queuePlayer = AVQueuePlayer()
@GestureState var dragState = DragState.inactive
let universalSize = UIScreen.main.bounds
// magic variables for grid
// TODO: make the top left person or one horizontal person be in the center of screen...makes the top honeycomb pop
@State var numberOfItems: Int = 12
private static let size: CGFloat = UIScreen.main.bounds.height*0.15 // scaling with screen size
private static let spacingBetweenColumns: CGFloat = 0
private static let spacingBetweenRows: CGFloat = 0
private static let totalColumns: Int = 3 // scaling the circles and calculating column count
// TODO: change the size to adaptive or something to make outer ring items shrink their overall size and fit better
let gridItems: [GridItem] = Array(
repeating: GridItem(.fixed(Self.size), spacing: spacingBetweenColumns, alignment: .center),
count: totalColumns)
@Binding var selectedFriendIndex: String?
private let big:CGFloat = 1
private let medium:CGFloat = 0.9
private let small:CGFloat = 0.8
private let supersmall:CGFloat = 0.7
// TODO: centered honeycomb + side: maybe have two honeycombs: one in the center of 7 people and then everyone else surrounding
// TODO: maybe make our "center" offset to a little to the top left to make it more honeycomb from top left
private let center: CGPoint = CGPoint(x: UIScreen.main.bounds.width*0.5,y: UIScreen.main.bounds.height*0.5)
let longPressMinDuration = 0.5
var body: some View {
// main communication hub
// TODO: client side, sort the honeycomb from top left to bottom right
// based on most close friends to least
// MARK: data entry point
let activeFriends = self.authSessionStore.getActiveFriendIds()
let inboxUsers = self.authSessionStore.getInboxUsersIds()
ScrollViewReader {scrollReaderValue in
ScrollView([.horizontal, .vertical], showsIndicators: false) {
LazyVGrid(
columns: gridItems,
alignment: .center,
spacing: Self.spacingBetweenRows
) {
// active friends
ForEach(0..<activeFriends.count, id: \.self) {value in
let friendId = activeFriends[value]
GeometryReader {gridProxy in
let scale = getScale(proxy: gridProxy, itemNumber: value, userId: friendId)
ZStack(alignment: .topTrailing) {
// check if the last message in the conversation between me and my friend was me talking or him
// also check if I have listened to it once or twice
if self.haveNewMessageFromFriend(friendDbId: friendId) { // him talking
Image(systemName: "wave.3.right.circle.fill")
.foregroundColor(Color.orange)
.font(.title)
}
Circle()
.foregroundColor(self.getBubbleTint(friendIndex: value, friendDbId: friendId)) // different color for a selected user
.blur(radius: 8)
.cornerRadius(100)
Image(self.authSessionStore.relevantUsersDict[friendId]?.avatar ?? Avatars.avatarSystemNames[0])
.resizable()
.scaledToFit()
.shadow(color: Color.black.opacity(0.2), radius: 10, x: 0, y: 20)
}
.scaleEffect(scale)
.padding(scale * 5)
} // geometry reader
.offset(
x: honeycombOffSetX(value),
y: 0
)
.id(friendId) // id for scrollviewreader
.frame(height: Self.size)
.onTapGesture {
self.handleTap(gridItemIndex: value, friendId: friendId)
}// TODO: maybe add simulataneous gesture or sequence? with the tap gesture?
.gesture(
LongPressGesture(minimumDuration: longPressMinDuration)
.onEnded {_ in // on activation of long press
// stop any player still playing of a message
self.queuePlayer.removeAllItems()
print("activated long press!")
self.selectedFriendIndex = friendId
self.activateHaptics()
self.record()
}
.sequenced(before:
DragGesture(minimumDistance: 0, coordinateSpace: .local)
)
.updating(self.$dragState) { gestureValue, state, transaction in
// print("in updating: \(gestureValue) \(state), \(transaction)")
switch gestureValue {
// Long press begins.
case .first(true):
state = .pressing
// Long press confirmed, dragging may begin.
case .second(true, let drag):
state = .dragging(translation: drag?.translation ?? .zero)
// Dragging ended or the long press cancelled.
default:
state = .inactive
}
}
.onEnded { gestureValue in
guard case .second(true, let drag?) = gestureValue else { return }
// stop recording
print("stopped recording")
self.selectedFriendIndex = nil
self.innerCircleVM.stopRecording(senderId: self.authSessionStore.user!.id!, receiver: self.authSessionStore.relevantUsersDict[friendId]!)
// self.recordingGestureDeactived()
}
)
.animation(Animation.spring())
}
// inbox users
ForEach(0..<inboxUsers.count, id: \.self) {inboxValue in
let inboxUserId = inboxUsers[inboxValue]
let adjustedValue = inboxValue + activeFriends.count // IMPORTANT: accounting for the active friends iterations
GeometryReader {gridProxy in
let scale = getScale(proxy: gridProxy, itemNumber: adjustedValue, userId: inboxUserId) * 0.75 // don't want inbox to match size of active
ZStack(alignment: .topTrailing) {
Image(systemName: "arrow.down.left.circle.fill")
.foregroundColor(NirvanaColor.dimTeal)
.font(.title)
Circle()
.foregroundColor(NirvanaColor.dimTeal.opacity(0.3)) // different color for a selected user
.blur(radius: 5)
.cornerRadius(100)
Image(self.authSessionStore.relevantUsersDict[inboxUserId]?.avatar ?? Avatars.avatarSystemNames[0])
.resizable()
.scaledToFit()
.shadow(color: Color.black.opacity(0.2), radius: 10, x: 0, y: 20)
.blur(radius: 5)
}
.scaleEffect(scale)
.padding(scale * 5)
} // geometry reader
.offset(
x: honeycombOffSetX(adjustedValue),
y: 0
)
.id(inboxUserId) // id for scrollviewreader
.frame(height: Self.size)
.onTapGesture {
// action to open alert to add this person to circle or reject
// create user_friend with isActive = false
}
.animation(Animation.spring())
}
// stale state for adding a contact
let staleAdjustedValue = activeFriends.count + inboxUsers.count
GeometryReader {gridProxy in
let scale = getScale(proxy: gridProxy, itemNumber: staleAdjustedValue, userId: nil) * 0.75 // adjusting size as stale states should be the smallest
Button {
self.navigationStack.push(FindFriendsView())
} label: {
ZStack {
Image(systemName: "person.badge.plus")
.foregroundColor(NirvanaColor.dimTeal)
.font(.largeTitle)
Circle()
.foregroundColor(Color.white.opacity(0.2))
.blur(radius: 8)
.cornerRadius(100)
}
.scaleEffect(scale)
.padding(scale * 5)
}
} // geometry reader
.offset(
x: honeycombOffSetX(staleAdjustedValue),
y: 0
)
.id(UUID().uuidString) // id for scrollviewreader
.frame(height: Self.size)
.animation(Animation.spring())
} //lazygrid // TODO: add padding based on if we are on any cornering item to allow the bubble to enlargen
.padding(.trailing, Self.size / 2 + Self.spacingBetweenColumns / 2) // because of the offset of last column
.padding(.top, Self.size / 2 + Self.spacingBetweenRows / 2) // because we are going under the nav bar
}// scrollview
.onAppear {
//TODO: was causing problems so commenting out
//may not need anymore with bottom nav activation
// scrollReaderValue.scrollTo(Self.numberOfItems / 2)
}
} // scrollview reader
}
private func haveNewMessageFromFriend(friendDbId: String) -> Bool {
if self.authSessionStore.user != nil {
let userId = self.authSessionStore.user!.id // O(1) // currUser who is signed in
// get most recent message in the convo and see who has spoken
if let messagesRelatedToFriend = self.authSessionStore.relevantMessagesByUserDict[friendDbId] { // O(1)
return messagesRelatedToFriend.first?.receiverId == userId
}
}
return false
}
private func getBubbleTint(friendIndex: Int, friendDbId: String) -> Color {
if (friendDbId == self.selectedFriendIndex) { // user clicked on this user
return NirvanaColor.dimTeal.opacity(0.4)
}
else if self.haveNewMessageFromFriend(friendDbId: friendDbId) { // this user has a message
return Color.orange.opacity(0.8)
}
return Color.white.opacity(0.4)
}
}
struct CircleGridView_Previews: PreviewProvider {
static var previews: some View {
CircleGridView(selectedFriendIndex: Binding.constant(nil)).environmentObject(AuthSessionStore())
.environmentObject(InnerCircleViewModel())
}
}
// extension for the bubble math for the grid
extension CircleGridView {
// getting the proxy of an individual item
// and decoding into a scale that the item should take
private func getScale(proxy: GeometryProxy, itemNumber: Int, userId: String?) -> CGFloat {
// if this user is selected
if userId != nil && userId == self.selectedFriendIndex {
return big + 0.2
}
// if this user that we are rendering
// has a new message for us
// TODO: too much memory usage doing this across the board
// if self.usersWithNewMessage.contains(itemNumber) {
// return big + 0.2
// }
let posRelToGrid = proxy.frame(in: .global) // relative to the entire screen
let midX = getRowNumber(itemNumber) % 2 == 0 ? posRelToGrid.midX + (Self.size / 2) + (Self.spacingBetweenColumns / 2) : posRelToGrid.midX
let midY = posRelToGrid.midY
let xdelta = abs(midX - self.center.x)
let ydelta = abs(midY - self.center.y)
let innerCircleXAcceptance = Self.size * 0.75
let innerCircleYAcceptance = Self.size * 0.75
let outerRingXAcceptance = self.universalSize.width * 0.4
let outerRingYAcceptance = self.universalSize.height * 0.25
let wayOutRingXAcceptance = self.universalSize.width * 0.425
let wayOutRingYAcceptance = self.universalSize.height * 0.375
if xdelta <= innerCircleXAcceptance && ydelta < innerCircleYAcceptance {
return big
} else if xdelta <= outerRingXAcceptance && ydelta < outerRingYAcceptance {
return medium
} else if xdelta <= wayOutRingXAcceptance && ydelta < wayOutRingYAcceptance {
return small
}
return supersmall
}
private static func distanceBetweenPoints(p1: CGPoint, p2: CGPoint) -> CGFloat {
let xDist = abs(p2.x - p1.x)
let yDist = abs(p2.y - p2.y)
return CGFloat(
sqrt(
pow(xDist, 2) + pow(yDist, 2)
)
)
}
//get row number given a value/item number in the list
private func getRowNumber(_ value: Int) -> Int {
return value / Self.totalColumns
}
private func honeycombOffSetX(_ value: Int) -> CGFloat {
let rowNumber = self.getRowNumber(value)
// make every even row have the honeycomb offset
if rowNumber % 2 == 0 {
return Self.size / 2 + Self.spacingBetweenColumns / 2 // account for the column spacing from before
}
return 0
}
}
// extension for handling the gestures and actions
extension CircleGridView {
// listening to messages
private func handleTap(gridItemIndex: Int, friendId: String) {
print("tap gesture activated")
// clearing the player to make room for this friend's convo or to deselect this user
self.queuePlayer.removeAllItems()
// if user had previously selected user, put nil as a toggle
if self.selectedFriendIndex == friendId {
self.selectedFriendIndex = nil
return
} else {
self.selectedFriendIndex = friendId
}
// TODO: OPTIMIZATION...buffer and load all AVAssets to create AVPlayerItems before a tap happens...but this can also cause load in background if user is not playing a message right now...this isn't an optimization of the data/firestore but rather the player
// I want to play the last x messages if I was the receiver...the array is sorted from backend so that the
// most recent comes first
// ["sarth": [ME, HIM...]] -> play nothing
// ["sarth": [HIM, HIM, me, him...]] -> play his two messages
// traverse through reversed list of messages and add to audio player queue
// TODO: protect against force unwraps
var AVPlayerItems: [AVPlayerItem] = []
let messagesRelatedToFriend = self.authSessionStore.relevantMessagesByUserDict[friendId] ?? []
if messagesRelatedToFriend.count == 0 {
return
}
for message in messagesRelatedToFriend {
print("message: the sender is \(message.senderId) and senttime: \(message.sentTimestamp)")
// if it's starting to get to my messages then don't play
if message.senderId == self.authSessionStore.user?.id {
break
}
// only add to queue if we can convert the database url to a valid url here
if let audioUrl = URL(string: message.audioDataUrl) {
let playerMessage: AVPlayerItem = AVPlayerItem(url: audioUrl)
AVPlayerItems.append(playerMessage)
}
}
// start playing if there are messages to listen to
if AVPlayerItems.count > 0 {
print("have \(AVPlayerItems.count) messages to play")
// reverse the items because we want to listen to the most recent messages in order
AVPlayerItems = AVPlayerItems.reversed()
queuePlayer = AVQueuePlayer(items: AVPlayerItems)
// TODO: make sure these options are viable for different scenarios
queuePlayer.automaticallyWaitsToMinimizeStalling = false
queuePlayer.playImmediately(atRate: 1)
// queuePlayer.play()
print("player queued up items!!!")
// TODO: right now not updating all of that
// update the listencount and firstlistentimestamp of those messages in firestore
// this should update ui to show that there is no message to show
}
}
enum DragState {
case inactive
case pressing
case dragging(translation: CGSize)
var translation: CGSize {
switch self {
case .inactive, .pressing:
return .zero
case .dragging(let translation):
return translation
}
}
var isActive: Bool {
switch self {
case .inactive:
return false
case .pressing, .dragging:
return true
}
}
var isDragging: Bool {
switch self {
case .inactive, .pressing:
return false
case .dragging:
return true
}
}
}
private func activateHaptics() {
// haptics for recording
print("got haptics on")
let impactHeavy = UIImpactFeedbackGenerator(style: .heavy)
impactHeavy.impactOccurred()
}
private func record() {
// call parent view model/environment object vm functions
self.innerCircleVM.startRecording()
}
// TODO: fill in here
private func recordingGestureDeactived() {
}
}