public ICursor <T> AsCursor()
{
var queryData = GetQueryData();
return(db.CreateStatement <T>(queryData.Query
, bindVars: queryData.BindVars));
}
public static async Task <bool> IsAdmin(this IArangoDatabase database, string userId, string groupId)
{
var result = await database.CreateStatement <bool>(
$@"LET isAdmin = (FOR v in 0..5000 INBOUND 'Group/{groupId}' Graph 'SubgroupGraph'
PRUNE v.groupOwner == '{userId}' FILTER v.groupOwner == '{userId}' return v)
return isAdmin != []").ToListAsync();
return(result.Count != 0 && result[0]);
}
public static async Task <Group> GetRootGroup(this IArangoDatabase database, string groupId)
{
var groups = database.CreateStatement <Group>($@"
FOR g in 0..10000 INBOUND 'Group/{groupId}' Graph 'SubgroupGraph'
PRUNE g.isRoot == true
FILTER g.isRoot == true
RETURN g");
return((await groups.ToListAsync()).FirstOrDefault());
}
ICursor <T> GetCursor <T>(QueryModel queryModel)
{
var visitor = new AqlModelVisitor(db);
visitor.VisitQueryModel(queryModel);
visitor.QueryData.Query = visitor.QueryText.ToString();
return(db.CreateStatement <T>(visitor.QueryData.Query,
bindVars: visitor.QueryData.BindVars));
}
public static async Task <bool> IsGroupMember(this IArangoDatabase database, string userId, string groupId)
{
if (groupId == null || userId == null)
{
return(false);
}
var group = await database.Collection("Group").DocumentAsync <Group>(groupId);
if (group == null)
{
return(false);
}
var isMember = await database.CreateStatement <bool>(
$@"return (FOR v in 1 INBOUND 'Group/{groupId}' Graph 'GroupUsersGraph'
FILTER v._key == '{userId}'
return v) != []").ToListAsync();
return(isMember.FirstOr(false) || await database.IsAdmin(userId, groupId));
}
