/// <summary>
/// 拼接文档图片的下载地址
/// </summary>
/// <param name="urlPrefix">文档信息中的url前缀</param>
/// <param name="imgType">文档转换的图片类型</param>
/// <param name="quality">需要的图片清晰度</param>
/// <param name="pageNum">图片页码（从1开始计算）</param>
/// <returns></returns>
public static string GetPageUrl(string urlPrefix, NIMDocTranscodingImageType imgType, NIMDocTranscodingQuality quality, int pageNum)
{
var ptr = DocTransNativeMethods.nim_doctrans_get_page_url(urlPrefix, imgType, quality, pageNum);
NimUtility.Utf8StringMarshaler marshaler = new NimUtility.Utf8StringMarshaler();
string url = marshaler.MarshalNativeToManaged(ptr) as string;
GlobalAPI.FreeBuffer(ptr);
return(url);
}
/// <summary>
/// 计算md5
/// </summary>
/// <param name="input">需要计算md5的内容</param>
/// <returns>返回的md5</returns>
public static string GetMd5(string input)
{
var outStrPtr = nim_tool_get_md5(input);
NimUtility.Utf8StringMarshaler marshaler = new NimUtility.Utf8StringMarshaler();
var ret = marshaler.MarshalNativeToManaged(outStrPtr) as string;
GlobalAPI.FreeStringBuffer(outStrPtr);
return(ret);
}
/// <summary>
/// 拼接文档源的下载地址
/// </summary>
/// <param name="urlPrefix">文档信息中的url前缀</param>
/// <param name="fileType">文档源类型</param>
/// <returns></returns>
public static string GetSourceFileUrl(string urlPrefix, NIMDocTranscodingFileType fileType)
{
var ptr = DocTransNativeMethods.nim_doctrans_get_source_file_url(urlPrefix, fileType);
NimUtility.Utf8StringMarshaler marshaler = new NimUtility.Utf8StringMarshaler();
string url = marshaler.MarshalNativeToManaged(ptr) as string;
GlobalAPI.FreeBuffer(ptr);
return(url);
}
/// <summary>
/// 获取安装目录（SDK DLL所在的当前目录）
/// </summary>
/// <returns>返回的目录路径</returns>
public static string GetCurModuleDir()
{
var outStrPtr = nim_tool_get_cur_module_dir();
NimUtility.Utf8StringMarshaler marshaler = new NimUtility.Utf8StringMarshaler();
var ret = marshaler.MarshalNativeToManaged(outStrPtr) as string;
GlobalAPI.FreeStringBuffer(outStrPtr);
return(ret);
}
/// <summary>
/// 获取本地存储路径
/// </summary>
/// <returns>返回的目录路径</returns>
public static string GetLocalAppDataDir()
{
var outStrPtr = nim_tool_get_local_appdata_dir();
NimUtility.Utf8StringMarshaler marshaler = new NimUtility.Utf8StringMarshaler();
var ret = marshaler.MarshalNativeToManaged(outStrPtr) as string;
GlobalAPI.FreeStringBuffer(outStrPtr);
return(ret);
}
/// <summary>
/// 获取SDK里app account对应的具体类型的app data目录（如图片消息文件存放目录，语音消息文件存放目录等）
/// </summary>
/// <param name="appAccount">APP account。如果传入空字符串，则返回结果为空</param>
/// <param name="appdataType">具体类型的app data。见NIMAppDataType定义</param>
/// <returns>返回的目录路径（目录可能未生成，需要app自行判断是否已生成）</returns>
public static string GetUserSpecificAppDataDir(string appAccount, NIMAppDataType appdataType)
{
var outStrPtr = nim_tool_get_user_specific_appdata_dir(appAccount, appdataType);
NimUtility.Utf8StringMarshaler marshaler = new NimUtility.Utf8StringMarshaler();
var ret = marshaler.MarshalNativeToManaged(outStrPtr) as string;
GlobalAPI.FreeStringBuffer(outStrPtr);
return(ret);
}
/// <summary>
/// 从消息的中获取附件（图片、语音、视频等）的本地路径
/// </summary>
/// <param name="msg">消息对象</param>
/// <returns>消息如果有附件，不管是否已下载，返回附件的本地路径；消息如果没有附件，返回空字符串""</returns>
public static string GetAttachmentPathFromMsg(NIMIMMessage msg)
{
var jsonMsg = msg.Serialize();
var ptr = TalkNativeMethods.nim_talk_get_attachment_path_from_msg(jsonMsg);
NimUtility.Utf8StringMarshaler marshaler = new NimUtility.Utf8StringMarshaler();
var path = marshaler.MarshalNativeToManaged(ptr) as string;
GlobalAPI.FreeBuffer(ptr);
return(path);
}
/// <summary>
/// 本地查询群信息(同步版本，堵塞NIM内部线程，谨慎使用)
/// </summary>
/// <param name="tid"></param>
/// <returns></returns>
public static NIMTeamInfo QueryCachedTeamInfo(string tid)
{
var ptr = TeamNativeMethods.nim_team_query_team_info_block(tid);
if (ptr != IntPtr.Zero)
{
NimUtility.Utf8StringMarshaler marshaler = new NimUtility.Utf8StringMarshaler();
var tobj = marshaler.MarshalNativeToManaged(ptr);
var tinfo = NIMTeamInfo.Deserialize(tobj.ToString());
GlobalAPI.FreeStringBuffer(ptr);
return(tinfo);
}
return(null);
}
/// <summary>
/// 查询(单个)群成员信息(同步版本，堵塞NIM内部线程，谨慎使用)
/// </summary>
/// <param name="tid"></param>
/// <param name="uid"></param>
/// <returns></returns>
public static NIMTeamMemberInfo QuerySingleMemberInfo(string tid, string uid)
{
NIMTeamMemberInfo info = null;
var ptr = TeamNativeMethods.nim_team_query_team_member_block(tid, uid);
if (ptr != IntPtr.Zero)
{
NimUtility.Utf8StringMarshaler marshaler = new NimUtility.Utf8StringMarshaler();
var infoObj = marshaler.MarshalNativeToManaged(ptr);
info = NIMTeamMemberInfo.Deserialize(infoObj.ToString());
GlobalAPI.FreeStringBuffer(ptr);
}
return(info);
}
/// <summary>
/// 由其他消息生成转发消息
/// </summary>
/// <param name="srcMsg">原始消息</param>
/// <param name="msgSetting">新的消息属性</param>
/// <param name="msgId">新的客户端消息id</param>
/// <param name="sessionId">转发目标</param>
/// <param name="sessionType">转发目标会话类型</param>
/// <param name="timetag">消息时间</param>
/// <returns></returns>
public static NIMIMMessage CreateRetweetMessage(NIMIMMessage srcMsg, NIMMessageSetting msgSetting, string msgId, string sessionId, Session.NIMSessionType sessionType, long timetag)
{
string srcMsgJson = srcMsg.Serialize();
string settingJson = string.Empty;
if (msgSetting != null)
{
settingJson = msgSetting.Serialize();
}
var newMsgPtr = TalkNativeMethods.nim_talk_create_retweet_msg(srcMsgJson, msgId, sessionType, sessionId, settingJson, timetag);
if (newMsgPtr != IntPtr.Zero)
{
NimUtility.Utf8StringMarshaler marshaler = new NimUtility.Utf8StringMarshaler();
var newMsg = marshaler.MarshalNativeToManaged(newMsgPtr);
var newMsgJson = newMsg.ToString();
var dstMsg = MessageFactory.CreateMessage(newMsgJson);
GlobalAPI.FreeStringBuffer(newMsgPtr);
return(dstMsg);
}
return(null);
}
