Files
tainagustului/UI_V2/admin/admin_chat.py

385 lines
13 KiB
Python

import flet as ft
from dbActions.chat import Chat
from dbActions.users import Users
class AdminChat:
def __init__(self, page: ft.Page):
self.page = page
self.chat_manager = Chat()
self.user_namager = Users()
# Logged in user (ensure this is an admin)
self.user = self.page.session.get("user")
# Access flag: if not admin, we won't build the chat UI
self.access_denied = False
if not self.user or self.user.get("role") != "admin":
self.access_denied = True
return
# --- Admin chat state ---
self.active_chat_id: int | None = None
self.active_chat_session: dict | None = None
# UI containers
self.sessions_column = ft.Column(spacing=4, expand=True)
self.messages_list = ft.ListView(expand=True, spacing=10, auto_scroll=True)
self.input_field = ft.TextField(
hint_text="Scrie răspunsul tău aici...",
expand=True,
dense=True,
border_radius=20,
content_padding=ft.Padding(12, 8, 12, 8),
on_submit=self.on_send_click
)
self.send_button = ft.IconButton(
icon=ft.Icons.SEND_ROUNDED,
tooltip="Trimite",
on_click=self.on_send_click,
)
# Subscribe to PubSub for live updates from clients
try:
self.page.pubsub.subscribe(self.on_pubsub_message)
except Exception as e:
# If PubSub is not configured, admin can still see messages with manual refresh
print(e)
# Cleanup old sessions (keep only chats from today in DB)
try:
self.chat_manager.cleanup_old_sessions()
except Exception as e:
print(e)
# Preload sessions data so that when build() is called, lists are already populated
self.load_sessions()
def build(self) -> ft.Control:
"""Return main layout: left panel (sessions) + right panel (messages).
This allows the admin chat UI to be embedded inside another container/page.
"""
# If access is denied, return an informational message
if getattr(self, "access_denied", False):
return ft.Column(
controls=[
ft.Text("Acces restricționat", size=22, weight=ft.FontWeight.BOLD),
ft.Text("Această pagină este disponibilă doar pentru administratori."),
],
alignment=ft.MainAxisAlignment.CENTER,
horizontal_alignment=ft.CrossAxisAlignment.CENTER,
)
# Left side: list of chat sessions
left_panel = ft.Container(
bgcolor=ft.Colors.GREY_100,
padding=10,
width=280,
content=ft.Column(
expand=True,
controls=[
ft.Text("Conversații", size=18, weight=ft.FontWeight.BOLD),
ft.Divider(),
ft.Container(
expand=True,
content=ft.ListView(
expand=True,
spacing=4,
controls=[self.sessions_column],
),
),
],
),
)
# Right side: active conversation
if not hasattr(self, "header_label"):
self.header_label = ft.Text("Selectează o conversație", size=18, weight=ft.FontWeight.BOLD)
right_panel = ft.Container(
expand=True,
padding=10,
content=ft.Column(
expand=True,
controls=[
ft.Row(
alignment=ft.MainAxisAlignment.SPACE_BETWEEN,
vertical_alignment=ft.CrossAxisAlignment.CENTER,
controls=[
self.header_label,
ft.Icon(ft.Icons.SUPPORT_AGENT),
],
),
ft.Divider(),
ft.Container(
expand=True,
content=self.messages_list,
),
ft.Divider(),
ft.Row(
vertical_alignment=ft.CrossAxisAlignment.CENTER,
controls=[self.input_field, self.send_button],
),
],
),
)
main_row = ft.Row(
expand=True,
controls=[left_panel, right_panel],
)
return main_row
def load_sessions(self):
"""Load all chat sessions from DB and populate the left panel."""
self.sessions_column.controls.clear()
try:
sessions = self.chat_manager.get_chatsessions_with_messages()
except Exception:
sessions = []
if not sessions:
self.sessions_column.controls.append(
ft.Text("Nu există conversații deschise.", size=12, color=ft.Colors.GREY_600)
)
return
# Sort by last_message_at DESC (if available) or created_at
def sort_key(session):
return session.get("last_message_at") or session.get("created_at") or ""
sessions = sorted(sessions, key=sort_key, reverse=True)
for session in sessions:
self.sessions_column.controls.append(self._build_session_tile(session))
def _build_session_tile(self, session: dict) -> ft.Container:
"""Create a clickable row for a chat session."""
chat_id = session.get("id")
user_id = session.get("user_id")
status = session.get("status", "open")
unread_for_admin = session.get("unread_for_admin", 0)
title = f"Chat #{chat_id}"
if user_id:
user = self.user_namager.get(user_id)
title += f" • User {user['name'].replace("~", " ")}"
subtitle_parts = []
if status == "open":
subtitle_parts.append("Deschis")
else:
subtitle_parts.append("Închis")
last_from = session.get("last_message_from")
if last_from:
subtitle_parts.append(f"Ultimul mesaj: {last_from}")
subtitle = "".join(subtitle_parts)
badge = None
if unread_for_admin:
badge = ft.Container(
bgcolor=ft.Colors.RED_400,
border_radius=20,
padding=ft.padding.symmetric(horizontal=8, vertical=2),
content=ft.Text("nou", size=10, color=ft.Colors.WHITE),
)
bg_color = ft.Colors.BROWN_100 if unread_for_admin else ft.Colors.WHITE
tile = ft.Container(
padding=8,
border_radius=8,
bgcolor=bg_color,
ink=True,
on_click=lambda e, cid=chat_id: self.on_select_session(cid),
content=ft.Row(
alignment=ft.MainAxisAlignment.SPACE_BETWEEN,
controls=[
ft.Column(
spacing=2,
controls=[
ft.Text(title, weight=ft.FontWeight.BOLD, size=13),
ft.Text(subtitle, size=11, color=ft.Colors.GREY_600),
],
),
badge if badge else ft.Container(),
],
),
)
return tile
def on_select_session(self, chat_id: int):
"""Triggered when admin clicks a chat session on the left."""
self.active_chat_id = chat_id
# Load session details
try:
session = self.chat_manager.get_chatsession(chat_id)
except Exception as e:
print(e)
session = None
self.active_chat_session = session
# Update header
if session:
user_id = session.get("user_id")
label = f"Chat #{chat_id}"
if user_id:
user = self.user_namager.get(user_id)
label += f" • User {user['name'].replace("~", " ")}"
self.header_label.value = label
else:
self.header_label.value = f"Chat #{chat_id}"
# Load messages
self.load_messages_for_active_chat()
# Mark messages as read for admin and update session's unread flag
try:
self.chat_manager.mark_messages_as_read(chat_id, "admin")
if session:
session["unread_for_admin"] = 0
self.chat_manager.update_chatsession(session)
except Exception as e:
print(e)
# Refresh session list to remove unread badge
self.load_sessions()
self.page.update()
def load_messages_for_active_chat(self):
"""Load messages from DB for the currently active chat."""
self.messages_list.controls.clear()
if not self.active_chat_id:
return
try:
messages = self.chat_manager.get_chatmessages_for_chat(self.active_chat_id)
except Exception:
messages = []
for msg in messages:
sender_type = msg.get("sender_type")
text = msg.get("text", "")
if sender_type == "admin":
alignment = ft.MainAxisAlignment.END
bubble_color = ft.Colors.BROWN_100
else:
alignment = ft.MainAxisAlignment.START
bubble_color = ft.Colors.GREY_200
self.messages_list.controls.append(
ft.Row(
alignment=alignment,
controls=[
ft.Container(
bgcolor=bubble_color,
padding=8,
border_radius=12,
content=ft.Text(text, size=13),
)
],
)
)
def on_send_click(self, e):
"""Admin sends a new message to the active chat."""
text = self.input_field.value.strip()
if not text or not self.active_chat_id:
return
# Append admin bubble locally
self.messages_list.controls.append(
ft.Row(
alignment=ft.MainAxisAlignment.END,
controls=[
ft.Container(
bgcolor=ft.Colors.BROWN_100,
padding=8,
border_radius=12,
content=ft.Text(text, size=13),
)
],
)
)
# Persist message in DB
message = {
"chat_id": self.active_chat_id,
"session_token": None,
"sender_type": "admin",
"sender_id": self.user.get("id") if self.user else None,
"text": text,
}
try:
self.chat_manager.add_chatmessage(message)
except Exception as e:
print(e)
# Update chat session metadata
try:
session = self.chat_manager.get_chatsession(self.active_chat_id)
if session:
session["last_message_from"] = "admin"
session["unread_for_user"] = 1
self.chat_manager.update_chatsession(session)
except Exception as e:
print(e)
# Notify client side via PubSub
try:
self.page.pubsub.send_all(
{
"type": "chat_message",
"chat_id": self.active_chat_id,
"sender": "admin",
"text": text,
}
)
except Exception as e:
print (e)
# Refresh the sessions list to reflect new last_message_from and ordering
self.load_sessions()
self.input_field.value = ""
self.page.update()
def on_pubsub_message(self, data):
"""Handle PubSub messages coming from client pages."""
if not isinstance(data, dict):
return
# New message from a client
if data.get("type") == "chat_message" and data.get("sender") == "client":
chat_id = data.get("chat_id")
# If this is the currently open chat, append bubble directly
if self.active_chat_id == chat_id:
text = data.get("text", "")
self.messages_list.controls.append(
ft.Row(
alignment=ft.MainAxisAlignment.START,
controls=[
ft.Container(
bgcolor=ft.Colors.GREY_200,
padding=8,
border_radius=12,
content=ft.Text(text, size=13),
)
],
)
)
self.page.update()
# In any case, refresh sessions to update unread badges
self.load_sessions()
self.page.update()