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    Last updated: 2024-02-20 14:17:27
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      Conversation

      When a user creates a one-to-one or group chat, a conversation will be created. In the Tencent Cloud IM SDK, the conversation class is TencentImSDKPlugin.v2TIMManager.getConversationManager(). You can use the conversation management class APIs to display/update the conversation list, update the unread count, pin a conversation to the top, make a conversation draft, and mute message notifications.

      Conversation Class

      The conversation class is V2TIMConversation (Details), which defines the following content:
      Attribute
      Definition
      Description
      type
      Conversation type
      See the definition of V2TIMConversationType, which can be C2C or Group.
      conversationID
      Unique conversation ID
      It is in the format of c2c_userID for a one-to-one chat or group_groupID for a group chat.
      userID
      User ID of the message receiver
      userID stores the user ID of the message receiver if the conversation type is one-to-one chat; otherwise, it is nil/null.
      groupID
      Group ID
      groupID stores the group ID if the conversation type is group chat; otherwise, it is nil/null.
      groupType
      Group type
      groupType is the type of the group if the conversation type is group chat; otherwise, it is nil/null.
      showName
      Displayed conversation name
      The name of a group conversation is displayed in the following order of priority: group name > group ID;
      The name of a one-to-one conversation is displayed in the following order of priority: friend remarks of the message receiver > nickname of the message receiver > userID of the message receiver.
      faceUrl
      Displayed conversation profile photo
      It is the group profile photo for a group chat or the profile photo of the message receiver for a one-to-one chat.
      unreadCount
      Unread message count of the conversation
      For detailed directions, see unreadCount property. It is invalid and defaults to 0 for an audio-video group (AVChatRoom).
      recvOpt
      Message receiving option
      See the definition of V2TIMReceiveMessageOpt. For detailed directions, see V2TimReceiveMessageOptInfo class.
      lastMessage
      Last message in the conversation
      For detailed directions, see getConversationList metho.
      groupAtInfolist
      List of @ information in the group conversation
      Generally, it is used to display the notifications of "someone@me" and "@all".
      draftText
      Draft information
      The draft information can be set by calling the setConversationDraft API. For detailed directions, see setConversationDraft method.
      draftTimestamp
      Draft editing time
      It is automatically generated when a draft is set.
      isPinned
      Whether to pin the conversation to the top
      For detailed directions, see pinConversation method.
      orderKey
      Field for sorting conversations
      For detailed directions, see getConversationList method.
      customData
      Conversation's custom data
      For detailed directions, see setConversationCustomData method

      Conversation Storage Policy

      There is no limit on the number of locally stored conversations. Up to 100 conversations can be stored in the cloud. To increase this limit, upgrade to the Ultimate edition. Then you can set the limit to 500 in the console.
      Up to 100 conversations can be stored in the cloud. To increase this limit, upgrade to the Ultimate edition. Then you can set the limit to 500 in the console:
      
      
      
      If the information of a conversation has not been updated for a long time, the conversation can be stored in the cloud for up to seven days. To extend the conversation storage period, contact us for application.
      Locally stored conversations may not always be consistent with those stored in the cloud. If the user does not call the deleteConversation API to delete the local conversations, the conversations will always exist. However, up to 100 conversations can be stored in the cloud, and if the information of a conversation has not been updated for a long time, the conversation can be stored in the cloud for up to seven days. Therefore, local conversations displayed on different terminals may differ.
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