Add FindSomeone page

src/python/matrix_client.py

@@ -7,7 +7,7 @@ import platform
 import re
 import traceback
 from contextlib import suppress
-from dataclasses import dataclass
+from dataclasses import dataclass, field
 from datetime import datetime
 from functools import partial
 from pathlib import Path
@@ -57,6 +57,15 @@ class MatrixForbidden(MatrixError):
     m_code: str = "M_FORBIDDEN"
 
 
+@dataclass
+class UserNotFound(Exception):
+    user_id: str = field()
+
+
+@dataclass
+class InvalidUserInContext(Exception):
+    user_id: str = field()
+
 @dataclass
 class UploadError(Exception):
     http_code: Optional[int] = None
@@ -448,7 +457,28 @@ class MatrixClient(nio.AsyncClient):
             more = await self.load_past_events(room_id)
 
 
-    async def room_create(
+    async def new_direct_chat(self, invite: str, encrypt: bool = False) -> str:
+        if invite == self.user_id:
+            raise InvalidUserInContext(invite)
+
+        if isinstance(await self.get_profile(invite), nio.ProfileGetError):
+            raise UserNotFound(invite)
+
+        response = await super().room_create(
+            invite        = [invite],
+            is_direct     = True,
+            visibility    = nio.RoomVisibility.private,
+            initial_state =
+                [nio.EnableEncryptionBuilder().as_dict()] if encrypt else [],
+        )
+
+        if isinstance(response, nio.RoomCreateError):
+            raise MatrixError.from_nio(response)
+
+        return response.room_id
+
+
+    async def new_group_chat(
         self,
         name:     Optional[str] = None,
         topic:    Optional[str] = None,

src/qml/Pages/AddChat/AddChat.qml

@@ -6,7 +6,7 @@ import "../../utils.js" as Utils
 
 HPage {
     id: addChatPage
-    onFocusChanged: createRoom.forceActiveFocus()
+    onFocusChanged: findSomeone.forceActiveFocus()
 
 
     property string userId
@@ -22,7 +22,7 @@ HPage {
 
         HTabBar {
             id: tabBar
-            currentIndex: 2
+            currentIndex: 0
 
             Layout.fillWidth: true
 
@@ -47,13 +47,9 @@ HPage {
 
             Layout.fillWidth: true
 
-            Item {}
-
+            FindSomeone { id: findSomeone }
             JoinRoom {}
-
-            CreateRoom {
-                id: createRoom
-            }
+            CreateRoom {}
         }
     }
 }

src/qml/Pages/AddChat/CreateRoom.qml

@@ -27,14 +27,14 @@ HBox {
                 ! blockOtherServersCheckBox.checked,
             ]
 
-            py.callClientCoro(userId, "room_create", args, roomId => {
+            py.callClientCoro(userId, "new_group_chat", args, roomId => {
                 button.loading = false
                 pageLoader.showRoom(userId, roomId)
 
             }, (type, args) => {
                 button.loading = false
                 errorMessage.text =
-                    qsTr("Unknown error - %1, %2").arg(type).arg(args)
+                    qsTr("Unknown error - %1: %2").arg(type).arg(args)
             })
         },
 

src/qml/Pages/AddChat/FindSomeone.qml

@@ -0,0 +1,76 @@
+import QtQuick 2.12
+import QtQuick.Layouts 1.12
+import "../../Base"
+import "../../utils.js" as Utils
+
+HBox {
+    id: addChatBox
+    clickButtonOnEnter: "apply"
+
+    onFocusChanged: userField.forceActiveFocus()
+
+    buttonModel: [
+        { name: "apply", text: qsTr("Start chat"), iconName: "join",
+          enabled: Boolean(userField.text), },
+        { name: "cancel", text: qsTr("Cancel"), iconName: "cancel" },
+    ]
+
+    buttonCallbacks: ({
+        apply: button => {
+            button.loading    = true
+            errorMessage.text = ""
+
+            let args = [userField.text]
+
+            py.callClientCoro(userId, "new_direct_chat", args, roomId => {
+                button.loading    = false
+                errorMessage.text = ""
+                pageLoader.showRoom(userId, roomId)
+
+            }, (type, args) => {
+                button.loading = false
+
+                let txt = qsTr("Unknown error - %1: %2").arg(type).arg(args)
+
+                if (type === "InvalidUserInContext")
+                    txt = qsTr("You cannot invite yourself!")
+
+                if (type === "UserNotFound")
+                    txt = qsTr("This user does not exist.")
+
+                errorMessage.text = txt
+            })
+        },
+
+        cancel: button => {
+            userField.text    = ""
+            errorMessage.text = ""
+            pageLoader.showPrevious()
+        }
+    })
+
+
+    readonly property string userId: addChatPage.userId
+
+
+    HTextField {
+        id: userField
+        placeholderText: qsTr("User ID (e.g. @john:matrix.org)")
+        error: Boolean(errorMessage.text)
+
+        Layout.fillWidth: true
+    }
+
+    HLabel {
+        id: errorMessage
+        wrapMode: Text.Wrap
+        horizontalAlignment: Text.AlignHCenter
+        color: theme.colors.errorText
+
+        visible: Layout.maximumHeight > 0
+        Layout.maximumHeight: text ? implicitHeight : 0
+        Behavior on Layout.maximumHeight { HNumberAnimation {} }
+
+        Layout.fillWidth: true
+    }
+}

src/qml/Pages/AddChat/JoinRoom.qml

@@ -30,7 +30,7 @@ HBox {
             }, (type, args) => {
                 button.loading = false
 
-                let txt = qsTr("Unknown error - %1, %2").arg(type).arg(args)
+                let txt = qsTr("Unknown error - %1: %2").arg(type).arg(args)
 
                 if (type === "ValueError")
                     txt = qsTr("Unrecognized alias, room ID or URL")