didvan-app/lib/views/home/direct/widgets/message.dart

import 'package:didvan/config/design_config.dart';
import 'package:didvan/config/theme_data.dart';
import 'package:didvan/constants/app_icons.dart';
import 'package:didvan/models/message_data/message_data.dart';
import 'package:didvan/utils/date_time.dart';
import 'package:didvan/views/home/direct/direct_state.dart';
import 'package:didvan/views/home/direct/widgets/audio_widget.dart';
import 'package:didvan/views/widgets/didvan/divider.dart';
import 'package:didvan/views/widgets/didvan/text.dart';
import 'package:didvan/views/widgets/skeleton_image.dart';
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import 'package:persian_number_utility/persian_number_utility.dart';

class Message extends StatelessWidget {
  final MessageData message;
  const Message({Key? key, required this.message}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    final state = context.read<DirectState>();
    final firstMessageOfGroupId = state
        .dailyMessages[message.createdAt.replaceAll('T', ' ').split(' ').first]!
        .last;
    return GestureDetector(
      onLongPress: () {
        if (state.deletionQueue.contains(message.id) || message.writedByAdmin) {
          return;
        }
        state.deletionQueue.add(message.id);
        state.update();
      },
      onTap: () {
        if (state.deletionQueue.isEmpty || message.writedByAdmin) return;
        if (!state.deletionQueue.contains(message.id)) {
          state.deletionQueue.add(message.id);
        } else {
          state.deletionQueue.remove(message.id);
        }
        state.update();
      },
      child: Container(
        color: state.deletionQueue.contains(message.id)
            ? Theme.of(context).colorScheme.secondaryDisabled.withOpacity(0.5)
            : null,
        padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
        child: Column(
          crossAxisAlignment: message.writedByAdmin
              ? CrossAxisAlignment.end
              : CrossAxisAlignment.start,
          children: [
            if (message.id == firstMessageOfGroupId)
              Center(
                child: Container(
                  margin: const EdgeInsets.only(bottom: 12),
                  padding: const EdgeInsets.all(4),
                  decoration: BoxDecoration(
                    color: Theme.of(context).colorScheme.splash,
                    borderRadius: DesignConfig.lowBorderRadius,
                  ),
                  child: DidvanText(
                    DateTime.parse(message.createdAt).toPersianDateStr(),
                    style: Theme.of(context).textTheme.labelSmall,
                    color: DesignConfig.isDark
                        ? Theme.of(context).colorScheme.white
                        : Theme.of(context).colorScheme.black,
                  ),
                ),
              ),
            Padding(
              padding: EdgeInsets.only(
                right: message.writedByAdmin ? 20 : 0,
                left: !message.writedByAdmin ? 20 : 0,
              ),
              child: Column(
                crossAxisAlignment: message.writedByAdmin
                    ? CrossAxisAlignment.start
                    : CrossAxisAlignment.end,
                children: [
                  _MessageContainer(
                    writedByAdmin: message.writedByAdmin,
                    child: Column(
                      crossAxisAlignment: CrossAxisAlignment.start,
                      children: [
                        if (message.text != null) DidvanText(message.text!),
                        if (message.audio != null || message.audioFile != null)
                          AudioWidget(
                            audioFile: message.audioFile,
                            audioUrl: message.audio,
                            id: message.id,
                          ),
                        if (message.radar != null || message.news != null)
                          const DidvanDivider(),
                        if (message.radar != null || message.news != null)
                          const SizedBox(height: 4),
                        if (message.radar != null)
                          _ReplyRadarOverview(message: message),
                        if (message.news != null)
                          _ReplyNewsOverview(message: message),
                        if (message.radar != null || message.news != null)
                          const SizedBox(height: 4),
                      ],
                    ),
                  ),
                  const SizedBox(height: 4),
                  Row(
                    mainAxisSize: MainAxisSize.min,
                    children: [
                      DidvanText(
                        DateTimeUtils.timeWithAmPm(message.createdAt),
                        style: Theme.of(context).textTheme.labelSmall,
                        color: Theme.of(context).colorScheme.caption,
                      ),
                      if (!message.writedByAdmin)
                        Icon(
                          message.readed
                              ? DidvanIcons.check_double_light
                              : DidvanIcons.check_light,
                          size: 16,
                        )
                    ],
                  ),
                ],
              ),
            ),
          ],
        ),
      ),
    );
  }
}

class _ReplyRadarOverview extends StatelessWidget {
  final MessageData message;
  const _ReplyRadarOverview({Key? key, required this.message})
      : super(key: key);

  @override
  Widget build(BuildContext context) {
    return Row(
      crossAxisAlignment: CrossAxisAlignment.start,
      children: [
        SkeletonImage(
          imageUrl: message.radar!.image,
          height: 52,
          width: 52,
        ),
        const SizedBox(width: 8),
        Expanded(
          child: SizedBox(
            height: 52,
            child: Column(
              crossAxisAlignment: CrossAxisAlignment.start,
              mainAxisAlignment: MainAxisAlignment.spaceBetween,
              children: [
                DidvanText(
                  message.radar!.title,
                  style: Theme.of(context).textTheme.bodyLarge,
                  maxLines: 1,
                  overflow: TextOverflow.ellipsis,
                  color: Theme.of(context).colorScheme.focusedBorder,
                ),
                Row(
                  children: [
                    DidvanText(
                      'رادار ${message.radar!.categories.first.label}',
                      style: Theme.of(context).textTheme.labelSmall,
                      color: Theme.of(context).colorScheme.focusedBorder,
                    ),
                    const Spacer(),
                    DidvanText(
                      '${DateTimeUtils.momentGenerator(message.radar!.createdAt)} | خواندن در ${message.radar!.timeToRead} دقیقه',
                      color: Theme.of(context).colorScheme.focusedBorder,
                      style: Theme.of(context).textTheme.labelSmall,
                    ),
                  ],
                ),
              ],
            ),
          ),
        ),
      ],
    );
  }
}

class _ReplyNewsOverview extends StatelessWidget {
  final MessageData message;
  const _ReplyNewsOverview({Key? key, required this.message}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return Row(
      crossAxisAlignment: CrossAxisAlignment.start,
      children: [
        SkeletonImage(
          imageUrl: message.news!.image,
          height: 52,
          width: 52,
        ),
        const SizedBox(width: 8),
        Expanded(
          child: SizedBox(
            height: 52,
            child: Column(
              crossAxisAlignment: CrossAxisAlignment.start,
              mainAxisAlignment: MainAxisAlignment.spaceBetween,
              children: [
                DidvanText(
                  message.news!.title,
                  style: Theme.of(context).textTheme.bodyLarge,
                  maxLines: 1,
                  overflow: TextOverflow.ellipsis,
                  color: Theme.of(context).colorScheme.focusedBorder,
                ),
                Row(
                  children: [
                    DidvanText(
                      'خبر',
                      style: Theme.of(context).textTheme.labelSmall,
                      color: Theme.of(context).colorScheme.focusedBorder,
                    ),
                    const Spacer(),
                    DidvanText(
                      DateTimeUtils.momentGenerator(message.news!.createdAt),
                      color: Theme.of(context).colorScheme.focusedBorder,
                      style: Theme.of(context).textTheme.labelSmall,
                    ),
                  ],
                ),
              ],
            ),
          ),
        ),
      ],
    );
  }
}

class _MessageContainer extends StatelessWidget {
  final bool writedByAdmin;
  final Widget child;
  const _MessageContainer({
    Key? key,
    required this.writedByAdmin,
    required this.child,
  }) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return Container(
      padding: const EdgeInsets.symmetric(vertical: 8, horizontal: 16),
      decoration: BoxDecoration(
        borderRadius: DesignConfig.mediumBorderRadius.copyWith(
          bottomLeft: writedByAdmin ? Radius.zero : null,
          bottomRight: !writedByAdmin ? Radius.zero : null,
        ),
        color: (writedByAdmin
                ? Theme.of(context).colorScheme.surface
                : Theme.of(context).colorScheme.focused)
            .withOpacity(0.9),
        border: Border.all(
          color: Theme.of(context).colorScheme.border,
          width: 0.5,
        ),
      ),
      child: child,
    );
  }
}