Add Iterate method to ezcMailParser and allow access through uids through
intermediate ezcMailInfo struct
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Key: ZETACOMP-79
URL: https://issues.apache.org/jira/browse/ZETACOMP-79
Project: Zeta Components
Issue Type: New Feature
Components: Mail
Reporter: Benjamin Eberlei
There are several problems with the ezcMailParser at the moment:
1. It parses all mails at once, creating unnecessary memory overhead (although
attachments are already handled very efficently)
2. It does not expose information about the UID (in case of IMAP) that this
mail belonged to. Without this information there is no way to reference the
parsed mail for further actions.
Solution:
Add a new method ezcMailParser->iterate method that returns an iterator
spitting out ezcMailInfo structs lazily (prototype impl):
{code}
class ezcMailInfo
{
/** Optional, null if the set is NOT a ezcMailReferencableParserSet */
public $id = null;
/** @var ezcMail */
public $mail;
}
{code}
The ID property contains the reference id for the underlying transport, for
example with IMAP the UID.
With this idea there comes a problem. The ezcMailParser currently has no access
to the UID of the ezcMailImapSet. That means we have to introduce a new
interface:
{code}
interface ezcMailReferencableParserSet
{
public function getCurrentUniqueMessageId();
}
{code}
The IMAP Transport has to implement it and return the UID (or null if
uidReference = false). The Parser could then use this information to access the
message id.
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