/// <summary>
/// Checks if link has an equal or more 'visible' permission than requested visibility
/// TeamOnly < Password < Public
/// </summary>
/// <param name="link"></param>
/// <param name="requestedVisibility"></param>
/// <returns></returns>
public static bool IsMoreVisiblePermission(SharedLinkMetadata link, RequestedVisibility requestedVisibility)
{
if (ConvertResolvedVisibilityToInt(link.LinkPermissions.ResolvedVisibility)
>= ConvertRequestedVisibilityToInt(requestedVisibility))
{
return(true);
}
else
{
return(false);
}
}
public static int ConvertRequestedVisibilityToInt(RequestedVisibility visibility)
{
if (visibility.IsTeamOnly)
{
return(0);
}
else if (visibility.IsPassword)
{
return(1);
}
else if (visibility.IsPublic)
{
return(2);
}
else
{
return(0);
}
}
public static async Task <SharedLinkMetadata> ChangeShareLinkPermissions(DropboxClient client, string url, RequestedVisibility requestedVisibility)
{
SharedLinkSettings settings = new SharedLinkSettings(requestedVisibility);
try
{
return(await client.Sharing.ModifySharedLinkSettingsAsync(url, settings));
}
catch (ApiException <ModifySharedLinkSettingsError> error)
{
//TODO: Add error handling
return(new SharedLinkMetadata());
}
}
public static async Task <SharedLinkMetadata> CreateFileShareLink(DropboxClient client, Metadata file, RequestedVisibility requestedVisibility, string password)
{
SharedLinkSettings settings = new SharedLinkSettings();
if (requestedVisibility.IsPassword)
{
if (password == null)
{
//TODO: Add error handling
return(new SharedLinkMetadata());
}
settings = new SharedLinkSettings(requestedVisibility, password);
}
else
{
settings = new SharedLinkSettings(requestedVisibility);
}
CreateSharedLinkWithSettingsArg arg = new CreateSharedLinkWithSettingsArg(file.PathLower, settings);
try
{
return(await client.Sharing.CreateSharedLinkWithSettingsAsync(arg));
}
catch (ApiException <CreateSharedLinkWithSettingsError> error)
{
//TODO: Add error handling
return(new SharedLinkMetadata());
}
}
public static async Task <SharedLinkMetadata> HandleShareFile(DropboxClient client, Metadata file, RequestedVisibility requestedVisibility, string password = null, bool forceNewLink = false)
{
SharedLinkMetadata existingLink = await GetFileShareLink(client, file);
if (existingLink != null)
{
if (forceNewLink)
{
await RevokeFileShareLink(client, existingLink.Url);
}
else if (!IsMoreVisiblePermission(existingLink, requestedVisibility))
{
return(await ChangeShareLinkPermissions(client, existingLink.Url, requestedVisibility));
}
else
{
return(existingLink);
}
}
return(await CreateFileShareLink(client, file, requestedVisibility, password));
}
