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From Richard Hirsch <hirsch.d...@gmail.com>
Subject Re: I'm interested in integrating microblogging into OFBiz
Date Sat, 28 Nov 2009 09:45:41 GMT
I just read about the OFBiz Widget Toolkit
(http://docs.ofbiz.org/display/OFBIZ/Understanding+the+OFBiz+Widget+Toolkit)
. Of course, another idea would be to create a Widget that displays
ESME messages.

Just thinking aloud.....

D.

On Sat, Nov 28, 2009 at 10:32 AM, Richard Hirsch <hirsch.dick@gmail.com> wrote:
> I just created a wiki page for the conversation:
> http://cwiki.apache.org/confluence/display/ESME/Collaboration+with+OFbiz
>
> I moved our initial ideas from this mail thread to this wiki page and
> will continue adding details there.
>
> D.
>
> On Sat, Nov 28, 2009 at 8:43 AM, Richard Hirsch <hirsch.dick@gmail.com> wrote:
>> Hi Scott,
>>
>> Comments inline
>>
>> On Sat, Nov 28, 2009 at 1:08 AM, Scott Gray <scott.gray@hotwaxmedia.com> wrote:
>>> Hi Richard,
>>>
>>> Thanks for getting in touch with us, it's always good to hear from other ASF
>>> projects.
>>>
>>> I agree that an integration between the two projects could be quite
>>> interesting, and could actually be an extremely useful means of facilitating
>>> system<->user and user<->user communication.  Here's a few thoughts:
>>> About ECAs:
>>> ECAs are pretty straight forward: when an Event occurs, if the Condition(s)
>>> are met then Action(s) are performed.  The Events supported currently are
>>> Entity (EECA) events which basically correspond to database record CRUD
>>> events, Service (SECA) events which correspond the various stages of a given
>>> service's invocation (invoke, validate, commit, return, etc.) and Mail
>>> (MECA) events which occur when an email is received.
>>> Conditions are defined against whatever context is will be available when
>>> the event occurs, the record fields for an EECA, the in/out parameters for a
>>> SECA and the email contents for a MECA (from, to, subject, etc.)
>>> Actions are just OFBiz services to be invoked when the conditions are met.
>>
>> Can you point me to some more technical documentation regarding EECAs, etc.
>>>
>>> Sending event notifications:
>>> ECAs are the way to go for this and we'd just define services to be used as
>>> actions which send the message to ESME.  You'd probably create a single
>>> generic service that is used to send any message and then use that service
>>> within other services for sending specific messages e.g. an ECA would invoke
>>> sendPurchaseOrderChangeNotification which would prepare the message contents
>>> and call sendEsmeMessage to actually send the message.
>>
>> This is also the same pattern that we use in ABAP.  Once you have
>> sendEsmeMessage piece, you could embed the functionality easily and
>> then have functionality like SalesForce Chatter.
>>
>>>
>>> Receiving messages:
>>> For this we could either create a new type of ECA specifically for ESME
>>> messages or perhaps even generalize MECAs to support any type of message so
>>> that it stands for Message rather then Mail.  ECAs would then be defined and
>>> evaluated when an ESME message is received and service actions invoked to
>>> handle any processing and responses that need to occur.
>>
>> The receipt of the message in OFBiz can occur via various means.  If
>> OFBiz has a RESTAPI for ECAs, then you can create an ESME action
>> (http://cwiki.apache.org/confluence/display/ESME/Actions) to send
>> messages to OFBiz when certain ESME events occur.   Or if there some
>> sort of ECA for dealing with email events, then we can also use an
>> action that sends email. If you want a deeper integration, you could
>> have a bot that uses one of our various APIs
>> (http://cwiki.apache.org/confluence/display/ESME/API) to read the
>> message queue and then create OFBiz events.
>>
>> The integration via actions is very easy from the ESME side but on the
>> OFBiz side you would need some sort of mechanism to parse the message
>> to be able to call the appropriate OFBiz functionality.
>>
>>>
>>> Additionally as part of the sending/receiving process we'd probably want to
>>> store the messages an CommunicationEvent records but that should be pretty
>>> straightforward using the existing services that are available.  For storing
>>> each user's ESME address we'd just use the ContactMech entity with a new
>>> ContactMechType.
>>
>> Why would you need to store the user's ESME address?  OFBiz would post
>> messages to ESME in the form of a ESME user (for example,
>> "OFBizBackend"). Users who were interested in messages would follow
>> the user and would receive the messages from this user.  If you want
>> to restrict the access of messages, then you could use ESME's pool
>> mechanism.
>>
>>
>>>
>>> For chat I guess things will be a little more complicated because OFBiz
>>> would want to play some sort of a role in logging messages
>>
>> You could probably create an ESME bot that listens to either an entire
>> group and copies the message into some sort of archive. Ideally, you
>> would write a bot that creates JMS messages that anyone can store. We
>> talked about this but have had no time to develop it yet.
>>
>>> mentioned restricting communication between parties depending on there roles
>>> and permissions within the system.
>>
>> ESME has the idea of pools to deal with restricting access.
>>
>> I'm also assuming that ESME is only
>>> concerned with sending and receiving messages so the responsibility of
>>> managing things like this and other chat features (chat buddies, rooms,
>>> status, etc.) would fall upon the chat client rather than ESME?
>>
>> Much of this is handled by ESME.  ESME has a variety of clients
>> available (see the bottom the page on
>> http://cwiki.apache.org/confluence/display/ESME/Index ) and supports
>> the twitter API as well (so some existing twiter clients can be used
>> to access ESME)
>>
>>>
>>> But anyway I hope some of this is helpful and although I don't really have
>>> any time to spare at the moment to work on an integration, I just wanted to
>>> send something along to let you know that I think an integration would be
>>> quite useful and that there is some interest among the community.
>>
>> I'll create a wiki page in the ESME Space to collect our ideas on the
>> integration.  I can do most of the ESME integration work but I'll ned
>> some assistance on the OFBiz side.
>>
>> We have a test instance in the cloud. Is there a test OFBiz instance
>> where we might test the integration.
>>
>> D.
>>
>>>
>>> Regards
>>> Scott
>>>
>>> HotWax Media
>>> http://www.hotwaxmedia.com
>>>
>>> On 27/11/2009, at 9:19 PM, Richard Hirsch wrote:
>>>
>>>>> if you would like to work with us to get this implemented, you are very
>>>>> welcome.
>>>>
>>>> Of course.  We have a test server in the cloud that we can use and
>>>> REST APIs to create messages. We have also various clients
>>>> (Javascript, AIr client, etc.) that users can also use to view status
>>>> messages from different sources.
>>>>
>>>> What I don't know is how the integration with OFBiz would look like. I
>>>> read about ECAs but didn't find very many details. Ideal would to use
>>>> ECAs (when I understand them correctly) to use ESME's REST API to send
>>>> messages.
>>>>
>>>> What are the next steps?  Should I create a wiki page in the ESME wiki
>>>> space where we  can discuss this?
>>>>
>>>> D.
>>>>
>>>> On Fri, Nov 27, 2009 at 9:08 AM, Hans Bakker
>>>> <mailinglist@antwebsystems.com> wrote:
>>>>>
>>>>> Yes i have a request from a customer to add a chat function within
>>>>> ofbiz.
>>>>>
>>>>> we are looking at 2 frameworks:
>>>>> http://sourceforge.net/projects/nfcchat/
>>>>> the license is not compatible however i have a part confirmation they
>>>>> are willing to change the license
>>>>>
>>>>> and:
>>>>> https://sourceforge.net/projects/icsc/
>>>>>
>>>>> if you would like to work with us to get this implemented, you are very
>>>>> welcome.
>>>>>
>>>>> Regards,
>>>>> Hans
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> On Fri, 2009-11-27 at 05:05 +0100, Richard Hirsch wrote:
>>>>>>
>>>>>> Hi,
>>>>>>
>>>>>> Has anyone thought about adding social components (ala Chatter in
>>>>>> SalesForce http://www.salesforce.com/chatter/) - in particular -
to
>>>>>> OFBiz?
>>>>>>
>>>>>> I'm one of the Project Leads for the Apache Incubator Project ESME
>>>>>> (Enterprise Social Messaging Experiment)
>>>>>> (http://incubator.apache.org/esme/ ) and I was thinking about how
ESME
>>>>>> might be integrated into OFbiz. I'm assuming that ECAs are probably
>>>>>> the best place to start but I didn't find enough information.
>>>>>>
>>>>>> There are various integration possibilities / use cases. A few
>>>>>> examples: a purchase order is changed and a short message is sent
to
>>>>>> those in ESME who are interested or the user makes an enquiry about
a
>>>>>> particular material and OFBiz sends a short message via ESME with
a
>>>>>> status.
>>>>>>
>>>>>> Thanks.
>>>>>>
>>>>>> D.
>>>>>
>>>>> --
>>>>> Antwebsystems.com: Quality OFBiz services for competitive rates
>>>>>
>>>>>
>>>
>>>
>>
>

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