41 lines
1.4 KiB
Ruby
41 lines
1.4 KiB
Ruby
# frozen_string_literal: true
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class ChatChannelUnreadsQuery
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def self.call(channel_id:, user_id:)
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sql = <<~SQL
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SELECT (
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SELECT COUNT(*) AS unread_count
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FROM chat_messages
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INNER JOIN chat_channels ON chat_channels.id = chat_messages.chat_channel_id
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INNER JOIN user_chat_channel_memberships ON user_chat_channel_memberships.chat_channel_id = chat_channels.id
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WHERE chat_channels.id = :channel_id
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AND chat_messages.user_id != :user_id
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AND user_chat_channel_memberships.user_id = :user_id
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AND chat_messages.id > COALESCE(user_chat_channel_memberships.last_read_message_id, 0)
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AND chat_messages.deleted_at IS NULL
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) AS unread_count,
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(
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SELECT COUNT(*) AS mention_count
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FROM notifications
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INNER JOIN user_chat_channel_memberships ON user_chat_channel_memberships.chat_channel_id = :channel_id
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AND user_chat_channel_memberships.user_id = :user_id
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WHERE NOT read
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AND notifications.user_id = :user_id
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AND notifications.notification_type = :notification_type
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AND (data::json->>'chat_message_id')::bigint > COALESCE(user_chat_channel_memberships.last_read_message_id, 0)
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AND (data::json->>'chat_channel_id')::bigint = :channel_id
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) AS mention_count;
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SQL
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DB
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.query(
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sql,
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channel_id: channel_id,
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user_id: user_id,
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notification_type: Notification.types[:chat_mention],
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)
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.first
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.to_h
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end
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end
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