Add basic invite button

app/src/main/java/eu/steffo/twom/room/RSVPAnswer.kt

@@ -1,5 +1,11 @@
 package eu.steffo.twom.room
 
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.outlined.Cancel
+import androidx.compose.material.icons.outlined.CheckCircle
+import androidx.compose.material.icons.outlined.Circle
+import androidx.compose.material.icons.outlined.Help
+import androidx.compose.material.icons.outlined.Schedule
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.State
 import androidx.compose.runtime.livedata.observeAsState
@@ -11,11 +17,6 @@ import eu.steffo.twom.theme.colorRoleMaybe
 import eu.steffo.twom.theme.colorRoleNoway
 import eu.steffo.twom.theme.colorRoleSure
 import eu.steffo.twom.theme.colorRoleUnknown
-import eu.steffo.twom.theme.iconLater
-import eu.steffo.twom.theme.iconMaybe
-import eu.steffo.twom.theme.iconNoway
-import eu.steffo.twom.theme.iconSure
-import eu.steffo.twom.theme.iconUnknown
 import org.matrix.android.sdk.api.query.QueryStringValue
 import org.matrix.android.sdk.api.session.events.model.Event
 import org.matrix.android.sdk.api.session.room.Room
@@ -42,11 +43,11 @@ fun RSVPAnswer.toStaticColorRole(): StaticColorRole {
 
 fun RSVPAnswer.toIcon(): ImageVector {
     return when (this) {
-        RSVPAnswer.SURE -> iconSure
-        RSVPAnswer.LATER -> iconLater
-        RSVPAnswer.MAYBE -> iconMaybe
-        RSVPAnswer.NOWAY -> iconNoway
-        RSVPAnswer.UNKNOWN -> iconUnknown
+        RSVPAnswer.SURE -> Icons.Outlined.CheckCircle
+        RSVPAnswer.LATER -> Icons.Outlined.Schedule
+        RSVPAnswer.MAYBE -> Icons.Outlined.Help
+        RSVPAnswer.NOWAY -> Icons.Outlined.Cancel
+        RSVPAnswer.UNKNOWN -> Icons.Outlined.Circle
     }
 }
 
@@ -80,16 +81,6 @@ fun RSVPAnswer.toPlaceholderResourceId(): Int {
     }
 }
 
-fun RSVPAnswer.toEmoji(): String {
-    return when (this) {
-        RSVPAnswer.SURE -> "✅"
-        RSVPAnswer.LATER -> "\uD83D\uDD52️"
-        RSVPAnswer.MAYBE -> "❔"
-        RSVPAnswer.NOWAY -> "⛔️"
-        RSVPAnswer.UNKNOWN -> "ℹ️"
-    }
-}
-
 fun makeRSVP(request: State<Optional<Event>?>?): Triple<Event, RSVPAnswer, String>? {
     val event = request?.value?.getOrNull() ?: return null
     val content = event.content ?: return null
@@ -118,10 +109,10 @@ fun makeRSVP(request: State<Optional<Event>?>?): Triple<Event, RSVPAnswer, Strin
 
 @Composable
 fun observeRsvpAsLiveState(room: Room, userId: String): Triple<Event, RSVPAnswer, String>? {
-    val request = room.stateService().getStateEventLive(
+    val stateRequest = room.stateService().getStateEventLive(
         eventType = "eu.steffo.twom.rsvp",
         stateKey = QueryStringValue.Equals(userId),
     ).observeAsState()
 
-    return makeRSVP(request)
-}
+    return makeRSVP(stateRequest)
+}

app/src/main/java/eu/steffo/twom/room/RoomActivityContent.kt

@@ -1,8 +1,12 @@
 package eu.steffo.twom.room
 
 import android.util.Log
+import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxHeight
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.verticalScroll
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
@@ -19,7 +23,6 @@ import eu.steffo.twom.matrix.LocalSession
 import eu.steffo.twom.theme.ErrorText
 import eu.steffo.twom.theme.TwoMPadding
 import kotlinx.coroutines.launch
-import org.matrix.android.sdk.api.failure.Failure
 import kotlin.jvm.optionals.getOrNull
 
 
@@ -77,115 +80,178 @@ fun RoomActivityContent(
         roomSummary.otherMemberIds.map { it to observeRsvpAsLiveState(room = room, userId = it) }
 
     var isUpdatingMyRsvp by rememberSaveable { mutableStateOf(false) }
-    var errorMyRsvp by rememberSaveable { mutableStateOf<Failure.ServerError?>(null) }
+    var errorMyRsvp by rememberSaveable { mutableStateOf<Throwable?>(null) }
+    var isSendingInvite by rememberSaveable { mutableStateOf(false) }
+    var errorInvite by rememberSaveable { mutableStateOf<Throwable?>(null) }
 
-    Column(modifier) {
-        Row(TwoMPadding.base) {
-            Text(
-                text = stringResource(R.string.room_topic_title),
-                style = MaterialTheme.typography.labelLarge,
-            )
-        }
-        Row(TwoMPadding.base) {
-            Text(roomSummary.topic)
-        }
-
-        Row(TwoMPadding.base) {
-            Text(
-                text = stringResource(R.string.room_rsvp_title),
-                style = MaterialTheme.typography.labelLarge,
-            )
-        }
-
-        RoomActivityAnswerForm(
-            // FIXME: This always set the request to UNKNOWN
-            currentRsvpAnswer = myRsvpRequest?.second ?: RSVPAnswer.UNKNOWN,
-            currentRsvpComment = myRsvpRequest?.third ?: "",
-            onUpdate = { answer, comment ->
-                isUpdatingMyRsvp = true
-                errorMyRsvp = null
-
-                scope.launch SendRSVP@{
-                    Log.d(
-                        "Room",
-                        "Updating eu.steffo.twom.rsvp with answer `$answer` and comment `$comment`..."
-                    )
-                    try {
-                        room.stateService().sendStateEvent(
-                            eventType = "eu.steffo.twom.rsvp",
-                            stateKey = session.myUserId,
-                            body = mapOf(
-                                pairs = arrayOf(
-                                    "answer" to answer.toString(),
-                                    "comment" to comment,
-                                )
-                            ),
-                        )
-                    } catch (error: Failure.ServerError) {
-                        Log.e("Room", "Failed to update eu.steffo.twom.rsvp: $error")
-                        errorMyRsvp = error
-                        isUpdatingMyRsvp = false
-                        return@SendRSVP
-                    }
-                    Log.d(
-                        "Room",
-                        "Updated eu.steffo.twom.rsvp with answer `$answer` and comment `$comment`!"
+    Box(
+        modifier = modifier
+            .verticalScroll(rememberScrollState())
+    ) {
+        Column(
+            modifier = Modifier.fillMaxHeight()
+        ) {
+            if (roomSummary.topic != "") {
+                Row(TwoMPadding.base) {
+                    Text(
+                        text = stringResource(R.string.room_topic_title),
+                        style = MaterialTheme.typography.labelLarge,
                     )
+                }
+                Row(TwoMPadding.base) {
+                    Text(roomSummary.topic)
+                }
+            }
 
-                    if (myRsvpRequest != null) {
-                        val myRsvpRequestEventId = myRsvpRequest.first.eventId
+            Row(TwoMPadding.base) {
+                Text(
+                    text = stringResource(R.string.room_rsvp_title),
+                    style = MaterialTheme.typography.labelLarge,
+                )
+            }
+
+            RoomActivityAnswerForm(
+                // FIXME: This always set the request to UNKNOWN
+                currentRsvpAnswer = myRsvpRequest?.second ?: RSVPAnswer.UNKNOWN,
+                currentRsvpComment = myRsvpRequest?.third ?: "",
+                onUpdate = { answer, comment ->
+                    isUpdatingMyRsvp = true
+                    errorMyRsvp = null
+
+                    scope.launch SendRSVP@{
                         Log.d(
                             "Room",
-                            "Attempting to redact old eu.steffo.twom.rsvp event `${myRsvpRequestEventId}`..."
+                            "Updating eu.steffo.twom.rsvp with answer `$answer` and comment `$comment`..."
                         )
                         try {
-                            room.sendService()
-                                .redactEvent(myRsvpRequest.first, "Replaced with new information")
-                        } catch (error: Failure.ServerError) {
-                            Log.e("Room", "Failed to redact the old eu.steffo.twom.rsvp: $error")
+                            room.stateService().sendStateEvent(
+                                eventType = "eu.steffo.twom.rsvp",
+                                stateKey = session.myUserId,
+                                body = mapOf(
+                                    pairs = arrayOf(
+                                        "answer" to answer.toString(),
+                                        "comment" to comment,
+                                    )
+                                ),
+                            )
+                        } catch (error: Exception) {
+                            Log.e("Room", "Failed to update eu.steffo.twom.rsvp: $error")
                             errorMyRsvp = error
                             isUpdatingMyRsvp = false
                             return@SendRSVP
                         }
-                    } else {
-                        Log.d("Room", "Not doing anything else; there isn't anything to redact.")
+                        Log.d(
+                            "Room",
+                            "Updated eu.steffo.twom.rsvp with answer `$answer` and comment `$comment`!"
+                        )
+
+                        if (myRsvpRequest != null) {
+                            val myRsvpRequestEventId = myRsvpRequest.first.eventId
+                            Log.d(
+                                "Room",
+                                "Attempting to redact old eu.steffo.twom.rsvp event `${myRsvpRequestEventId}`..."
+                            )
+                            try {
+                                room.sendService()
+                                    .redactEvent(
+                                        myRsvpRequest.first,
+                                        "Replaced with new information"
+                                    )
+                            } catch (error: Throwable) {
+                                Log.e(
+                                    "Room",
+                                    "Failed to redact the old eu.steffo.twom.rsvp: $error"
+                                )
+                                errorMyRsvp = error
+                                isUpdatingMyRsvp = false
+                                return@SendRSVP
+                            }
+                        } else {
+                            Log.d(
+                                "Room",
+                                "Not doing anything else; there isn't anything to redact."
+                            )
+                        }
+
+                        isUpdatingMyRsvp = false
                     }
+                },
+                isUpdating = isUpdatingMyRsvp,
+            )
 
-                    isUpdatingMyRsvp = false
+            if (errorMyRsvp != null) {
+                // TODO: Maybe add an human-friendly error message?
+                Row(TwoMPadding.base) {
+                    ErrorText(
+                        errorMyRsvp.toString()
+                    )
                 }
-            },
-            isUpdating = isUpdatingMyRsvp,
-        )
+            }
 
-        if (errorMyRsvp != null) {
-            // TODO: Maybe add an human-friendly error message?
             Row(TwoMPadding.base) {
-                ErrorText(
-                    errorMyRsvp.toString()
+                Text(
+                    text = stringResource(R.string.room_invitees_title),
+                    style = MaterialTheme.typography.labelLarge,
                 )
             }
-        }
 
-        Row(TwoMPadding.base) {
-            Text(
-                text = stringResource(R.string.room_invitees_title),
-                style = MaterialTheme.typography.labelLarge,
-            )
-        }
-
-        Column(TwoMPadding.base) {
-            MemberListItem(
-                memberId = LocalSession.current!!.myUserId,
-                rsvpAnswer = myRsvpRequest?.second ?: RSVPAnswer.UNKNOWN,
-                rsvpComment = myRsvpRequest?.third ?: "",
-            )
-
-            otherRsvpRequests.forEach {
+            Column(TwoMPadding.base) {
                 MemberListItem(
-                    memberId = it.first,
-                    rsvpAnswer = it.second?.second ?: RSVPAnswer.UNKNOWN,
-                    rsvpComment = it.second?.third ?: "",
+                    memberId = LocalSession.current!!.myUserId,
+                    rsvpAnswer = myRsvpRequest?.second ?: RSVPAnswer.UNKNOWN,
+                    rsvpComment = myRsvpRequest?.third ?: "",
                 )
+
+                // FIXME: This also displays invited members!
+                otherRsvpRequests.forEach {
+                    MemberListItem(
+                        memberId = it.first,
+                        rsvpAnswer = it.second?.second ?: RSVPAnswer.UNKNOWN,
+                        rsvpComment = it.second?.third ?: "",
+                    )
+                }
+            }
+
+            Row(TwoMPadding.base) {
+                Text(
+                    text = stringResource(R.string.room_invite_title),
+                    style = MaterialTheme.typography.labelLarge,
+                )
+            }
+
+            Row(TwoMPadding.base) {
+                RoomActivityInviteForm(
+                    busy = isSendingInvite,
+                    onSend = {
+                        scope.launch SendInvite@{
+                            isSendingInvite = true
+                            errorInvite = null
+
+                            Log.d("Room", "Sending invite to `$it`...")
+
+                            try {
+                                room.membershipService().invite(it)
+                            } catch (error: Throwable) {
+                                Log.e("Room", "Failed to send invite to `$it`: $error")
+                                errorInvite = error
+                                isSendingInvite = false
+                                return@SendInvite
+                            }
+
+                            Log.d("Room", "Successfully sent invite to `$it`!")
+                            isSendingInvite = false
+                        }
+                    }
+                )
+            }
+
+            if (errorInvite != null) {
+                // TODO: Maybe add an human-friendly error message?
+                Row(TwoMPadding.base) {
+                    ErrorText(
+                        errorInvite.toString()
+                    )
+                }
             }
         }
     }

app/src/main/java/eu/steffo/twom/room/RoomActivityInviteForm.kt

@@ -0,0 +1,76 @@
+package eu.steffo.twom.room
+
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.Button
+import androidx.compose.material3.ButtonDefaults
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.OutlinedTextField
+import androidx.compose.material3.OutlinedTextFieldDefaults
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.saveable.rememberSaveable
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import eu.steffo.twom.R
+import eu.steffo.twom.theme.colorRoleUnknown
+
+@Composable
+@Preview
+fun RoomActivityInviteForm(
+    modifier: Modifier = Modifier,
+    busy: Boolean = false,
+    onSend: (userId: String) -> Unit = {},
+) {
+    var value by rememberSaveable { mutableStateOf("") }
+    val colorRole = colorRoleUnknown()
+
+    Column(modifier) {
+        OutlinedTextField(
+            modifier = Modifier
+                .fillMaxWidth(),
+            value = value,
+            onValueChange = { value = it },
+            singleLine = true,
+            shape = MaterialTheme.shapes.small,
+            placeholder = {
+                Text(
+                    text = stringResource(R.string.room_invite_username_placeholder)
+                )
+            },
+            colors = OutlinedTextFieldDefaults.colors(
+                focusedContainerColor = colorRole.valueContainer,
+                unfocusedContainerColor = colorRole.valueContainer,
+                focusedTextColor = colorRole.onValueContainer,
+                unfocusedTextColor = colorRole.onValueContainer,
+                focusedBorderColor = colorRole.onValueContainer,
+                unfocusedBorderColor = colorRole.onValueContainer.copy(alpha = 0.3f),
+                cursorColor = colorRole.onValueContainer,
+            )
+        )
+
+        Button(
+            modifier = Modifier
+                .padding(top = 4.dp)
+                .fillMaxWidth(),
+            onClick = { onSend(value) },
+            shape = MaterialTheme.shapes.small,
+            // FIXME: Maybe I should validate usernames with a regex
+            enabled = (value.contains("@") && value.contains(":") && !busy),
+            colors = ButtonDefaults.buttonColors(
+                containerColor = colorRole.value,
+                contentColor = colorRole.onValue,
+            )
+        ) {
+            Text(
+                text = stringResource(R.string.room_invite_button_label)
+            )
+        }
+    }
+}

app/src/main/java/eu/steffo/twom/theme/iconLater.kt

@@ -1,6 +0,0 @@
-package eu.steffo.twom.theme
-
-import androidx.compose.material.icons.Icons
-import androidx.compose.material.icons.outlined.Schedule
-
-val iconLater = Icons.Outlined.Schedule

app/src/main/java/eu/steffo/twom/theme/iconMaybe.kt

@@ -1,6 +0,0 @@
-package eu.steffo.twom.theme
-
-import androidx.compose.material.icons.Icons
-import androidx.compose.material.icons.outlined.PauseCircle
-
-val iconMaybe = Icons.Outlined.PauseCircle

app/src/main/java/eu/steffo/twom/theme/iconNoway.kt

@@ -1,6 +0,0 @@
-package eu.steffo.twom.theme
-
-import androidx.compose.material.icons.Icons
-import androidx.compose.material.icons.outlined.RemoveCircleOutline
-
-val iconNoway = Icons.Outlined.RemoveCircleOutline

app/src/main/java/eu/steffo/twom/theme/iconSure.kt

@@ -1,6 +0,0 @@
-package eu.steffo.twom.theme
-
-import androidx.compose.material.icons.Icons
-import androidx.compose.material.icons.outlined.CheckCircle
-
-val iconSure = Icons.Outlined.CheckCircle

app/src/main/java/eu/steffo/twom/theme/iconUnknown.kt

@@ -1,6 +0,0 @@
-package eu.steffo.twom.theme
-
-import androidx.compose.material.icons.Icons
-import androidx.compose.material.icons.outlined.Circle
-
-val iconUnknown = Icons.Outlined.Circle

app/src/main/res/values/strings.xml

@@ -61,4 +61,11 @@
     <string name="room_rsvp_unknown_label">No answer</string>
     <string name="room_error_roomsummary_missing">The Matrix room summary context has not been initialized.</string>
     <string name="room_error_roomsummary_notfound">Could not find the requested Matrix room summary.</string>
+    <string name="room_invite_username_placeholder">\@steffotwo:candy.steffo.eu</string>
+    <string name="room_invite_username_label">Username</string>
+    <string name="room_rsvp_comment_label">Reason</string>
+    <string name="room_invite_button_label">Invite</string>
+    <string name="room_invite_title">Send an invite</string>
+    <string name="room_rsvp_invited_label">Not opened</string>
+    <string name="room_rsvp_invited_response">Hasn\'t opened the invite yet</string>
 </resources>