Hi Nadeeshaan,

the list sadly does not support attachments. Can you upload the images
to a service like dropbox and share the links? Thanks!

On Sat, Mar 21, 2015 at 5:42 PM, Nadeeshaan Gunasinghe
<[email protected]> wrote:
> Hi all,
> Here are the two mockup UIs we discussed yesterday.
> We are adding an icon for redirecting to the revision tree view at the all
> documents list(Which we have already under database all documents view) and
> at the revision tree view we show the corresponding revision tree for the
> document and when we click on a node particular revision of the document is
> loaded at the right hand side of the tree.
> :)
>
> Regards
>
> On Thu, Mar 19, 2015 at 10:39 PM, Nadeeshaan Gunasinghe
> <[email protected]> wrote:
>>
>> Check list Progress after yesterday discussion
>>
>> Sorry for the mis typing
>> :)
>>
>>
>> On Thu, Mar 19, 2015 at 9:43 PM, Nadeeshaan Gunasinghe
>> <[email protected]> wrote:
>>>
>>> Hi Robert,
>>>
>>> Check list Progress after tomorrow discussion
>>> I replicated 4 databases and synced all of them one with the other in
>>> order to generate a revision tree as suggested by Alex. Also with the
>>> relevant API call I could retrieve the revision tree structure. So we can
>>> decode the JSON and then to determine the structure of the revision tree. I
>>> am going to try retrieving the revision history through a React based UI
>>> which will be easier for the future implementations.
>>> Regards
>>>
>>> On Thu, Mar 19, 2015 at 3:20 AM, Robert Kowalski <[email protected]> wrote:
>>>>
>>>> Some of you asked for a template for their proposals, here is what I've
>>>> found:
>>>>
>>>> http://community.staging.apache.org/gsoc#application-template
>>>>
>>>> Best,
>>>> Robert
>>>>
>>>> On Tue, Mar 17, 2015 at 10:41 PM, Robert Kowalski <[email protected]>
>>>> wrote:
>>>> > Thank you for posting the results - you are doing good work! I hope
>>>> > you learn a lot and it makes fun!
>>>> >
>>>> > Tomorrow we will have our weekly status meetup (see [1] for the time
>>>> > in your timezone), feel free to join, meet other project members and
>>>> > learn what the project is currently doing next to the Summer of Code.
>>>> >
>>>> > I will also be around 1hr earlier in #couchdb-dev to answer all your
>>>> > questions and discuss our next steps.
>>>> >
>>>> >
>>>> > [1]
>>>> > http://mail-archives.apache.org/mod_mbox/couchdb-dev/201503.mbox/%3CCAJ1bcfEKOh4nvoxUqvcAcUFgg96w-JqHEefpi%2BWzazKFUPXNCg%40mail.gmail.com%3E
>>>> >
>>>> > On Mon, Mar 16, 2015 at 8:51 PM, Nadeeshaan Gunasinghe
>>>> > <[email protected]> wrote:
>>>> >> Hi all,
>>>> >> I went through the currently available revision tree at
>>>> >> https://github.com/neojski/visualizeRevTree. If we can take in to
>>>> >> account
>>>> >> this idea, we can write a module for fauxton allowing future
>>>> >> extending
>>>> >> abilities as well as customization abilities. If we can initiate the
>>>> >> component at this stage and get this to the community I am sure more
>>>> >> people
>>>> >> will contribute and we can have more ideas. So as the first step we
>>>> >> can
>>>> >> make a working revision tree visualizing component and during the
>>>> >> implementation procedure we can keep track of the new ideas about the
>>>> >> additional features.
>>>> >>
>>>> >> TO DO status:
>>>> >> -  read the primers on revisions, conflicts and versioning --- *Done*
>>>> >>  - do the react.js tutorial and read the flux article ----- *Flux in
>>>> >> Progress*
>>>> >>  - try to answer the questions regarding pros/cons of using the
>>>> >> existing
>>>> >> revision tree visualizer vs creating one on our own ---- *Done*
>>>> >>  - try out the old feature in futon ---- *Done*
>>>> >>  - if time left: take a look at the Fauxton code, this commit shows
>>>> >> how we refactored an old backbone component to a React one using the
>>>> >> Flux pattern (Stores, Actions, Components) ----- *Pending*
>>>> >>
>>>> >> On Mon, Mar 16, 2015 at 2:31 AM, Sebastian Rothbucher <
>>>> >> [email protected]> wrote:
>>>> >>
>>>> >>> Hi guys,
>>>> >>> you might check out
>>>> >>> http://atypical.net/archive/2014/02/04/my-couchdb-conf-talk - esp.
>>>> >>> slide
>>>> >>> 18...
>>>> >>> Good luck
>>>> >>>     Sebastian
>>>> >>>
>>>> >>> On Sun, Mar 15, 2015 at 9:25 PM, Robert Kowalski <[email protected]>
>>>> >>> wrote:
>>>> >>>
>>>> >>> > Hi Nadeeshaan,
>>>> >>> >
>>>> >>> > congrats! I hope you like our interface :) If you have any
>>>> >>> > feedback on
>>>> >>> > the installation process, including the website and/or have any
>>>> >>> > ideas
>>>> >>> > to make it better, just let us know.
>>>> >>> >
>>>> >>> > I have talked to you via chat already, so some of the things I
>>>> >>> > write
>>>> >>> > may be redundant, but I already started writing that mail when we
>>>> >>> > started chatting and it probably makes sense to let the ML follow
>>>> >>> > in
>>>> >>> > the public.
>>>> >>> >
>>>> >>> > Under the hood Fauxton uses the CouchDB HTTP API, that means if
>>>> >>> > you
>>>> >>> > would have named your database `baseball` you would have typed:
>>>> >>> >
>>>> >>> > ```
>>>> >>> > $ curl -X PUT http://127.0.0.1:5984/baseball
>>>> >>> > $ curl -X POST http://127.0.0.1:5984/baseball -d
>>>> >>> > '{"involved_person":
>>>> >>> > "player"}' -H "Content-Type: application/json"
>>>> >>> > ```
>>>> >>> >
>>>> >>> > After the POST CouchDB returns an id and rev to you:
>>>> >>> >
>>>> >>> > ```
>>>> >>> >
>>>> >>> >
>>>> >>>
>>>> >>> {"ok":true,"id":"9ab658d4978b6440b739c2d479000b5f","rev":"1-30447915fbb1fe23e994d0c7a4563abe"}
>>>> >>> > ```
>>>> >>> >
>>>> >>> > You will also see those if you open the new document in Fauxton.
>>>> >>> > You
>>>> >>> > can then open a doc using a GET request and the id:
>>>> >>> >
>>>> >>> > ```
>>>> >>> > $ curl -X GET
>>>> >>> > http://127.0.0.1:5984/baseball/9ab658d4978b6440b739c2d479000b5f
>>>> >>> > ```
>>>> >>> >
>>>> >>> > But why do we need revisions?
>>>> >>> >
>>>> >>> > The first primer is
>>>> >>> > http://guide.couchdb.org/draft/consistency.html to
>>>> >>> > get some background knowledge how CouchDB is updating data, it
>>>> >>> > will
>>>> >>> > make it easier for you why we need revisions in CouchDB compared
>>>> >>> > to a
>>>> >>> > classical SQL database. It does not lock, but to make sure that no
>>>> >>> > other client overwrites accidentally other data, you will need to
>>>> >>> > provide a revision to update a document:
>>>> >>> >
>>>> >>> > ```
>>>> >>> > curl -X PUT
>>>> >>> >
>>>> >>>
>>>> >>> http://127.0.0.1:5984/baseball2/9e0a5c077bed1acf61ca1bae2e000578?rev=1-30447915fbb1fe23e994d0c7a4563abe
>>>> >>> > -d '{"involved_person": "referee"}' -H "Content-Type:
>>>> >>> > application/json"
>>>> >>> > ```
>>>> >>> >
>>>> >>> > ```
>>>> >>> >
>>>> >>> >
>>>> >>>
>>>> >>> {"ok":true,"id":"9e0a5c077bed1acf61ca1bae2e000578","rev":"2-61193c79a05bd0fa4fc823ec5a131645"}
>>>> >>> > ```
>>>> >>> >
>>>> >>> > After the update the document gets a new revision. If the revision
>>>> >>> > does not match on an update (e.g. another client updated already)
>>>> >>> > you
>>>> >>> > will get an error:
>>>> >>> >
>>>> >>> > ```
>>>> >>> > curl -X PUT
>>>> >>> > http://127.0.0.1:5984/baseball2/9e0a5c077bed1acf61ca1bae2e000578
>>>> >>> > -d '{"involved_person": "referee"}' -H "Content-Type:
>>>> >>> > application/json"
>>>> >>> > ```
>>>> >>> >
>>>> >>> > results in:
>>>> >>> >
>>>> >>> > ```
>>>> >>> > {"error":"conflict","reason":"Document update conflict."}
>>>> >>> > ```
>>>> >>> >
>>>> >>> > The docs provide very good in-depth background information
>>>> >>> > regarding
>>>> >>> > revisions and conflicts:
>>>> >>> >
>>>> >>> >
>>>> >>> >
>>>> >>>
>>>> >>> http://docs.couchdb.org/en/1.6.1/replication/conflicts.html#conflict-avoidance
>>>> >>> >
>>>> >>>
>>>> >>> http://docs.couchdb.org/en/1.6.1/replication/conflicts.html#revision-tree
>>>> >>> >
>>>> >>> > The revision tree will be the one that will get visualized by the
>>>> >>> > gsoc
>>>> >>> > project :)
>>>> >>> >
>>>> >>> > The project mentioned in the ticket
>>>> >>> > (https://github.com/neojski/visualizeRevTree) has an MIT license
>>>> >>> > and
>>>> >>> > is compatible to the Apache 2 license. It might make sense to use
>>>> >>> > that
>>>> >>> > one and just style it to our needs. Things I would like you to
>>>> >>> > find
>>>> >>> > out:
>>>> >>> >
>>>> >>> >  - is the project maintained?
>>>> >>> >  - how we could style it to our needs
>>>> >>> >  - what are the pros/cons to write something like that on our own
>>>> >>> >
>>>> >>> > It is OK if you don't find answers for all these questions, but it
>>>> >>> > would be nice if you would spend max 2hrs until Wednesday to try
>>>> >>> > to
>>>> >>> > find that out.
>>>> >>> >
>>>> >>> > The old interface mentioned in the Jira ticket is available at
>>>> >>> > http://localhost:5984/_utils/ and you were able to navigate
>>>> >>> > between
>>>> >>> > revisions of a document:
>>>> >>> >
>>>> >>> > https://cldup.com/ahArpJsBTH.png
>>>> >>> >
>>>> >>> > To try on your own, just modify an existing document.
>>>> >>> >
>>>> >>> > One idea could be to integrate the visualization of the tree and
>>>> >>> > the
>>>> >>> > navigation into the current document-editor screen. Feel free to
>>>> >>> > ping
>>>> >>> > Alex, nickname "Kxepal" in #couchdb-dev in freenode for feedback
>>>> >>> > where
>>>> >>> > and how he would use the feature as he created the ticket.
>>>> >>> >
>>>> >>> > Flux & React primers:
>>>> >>> > As mentioned in the ticket we are using React for our application.
>>>> >>> > It
>>>> >>> > probably makes sense to learn some basics how React & Flux works
>>>> >>> > if
>>>> >>> > you never worked with it:
>>>> >>> >
>>>> >>> > I just recently done those on my own, and I would suggest you to
>>>> >>> > follow the tutorial by creating code on your machine for the
>>>> >>> > lessons
>>>> >>> > from Ryan. The other article gives you an overview how the Flux
>>>> >>> > pattern works which will be part of your work.
>>>> >>> >
>>>> >>> >
>>>> >>> > https://github.com/ryanflorence/react-training/tree/gh-pages/lessons
>>>> >>> >
>>>> >>> >
>>>> >>>
>>>> >>> https://medium.com/brigade-engineering/what-is-the-flux-application-architecture-b57ebca85b9e
>>>> >>> >
>>>> >>> > Btw: Some of you mentioned that you have important exams in the
>>>> >>> > next
>>>> >>> > days. Please don't feel pressured and take care of them, having a
>>>> >>> > good
>>>> >>> > exam is important! :)
>>>> >>> >
>>>> >>> > As we have to find a way together how fast we are proceeding don't
>>>> >>> > be
>>>> >>> > discouraged if you don't get everything done until Wednesday. I
>>>> >>> > know
>>>> >>> > it is a lot of input but I also don't want you to get stuck and
>>>> >>> > wait
>>>> >>> > for new topics / tasks for your preparation.
>>>> >>> >
>>>> >>> >
>>>> >>> > Meeting Wednesday:
>>>> >>> > Feel free to join us on our weekly couchdb meeting:
>>>> >>> >
>>>> >>> >
>>>> >>>
>>>> >>> http://mail-archives.apache.org/mod_mbox/couchdb-dev/201503.mbox/%3CCAJ1bcfEKOh4nvoxUqvcAcUFgg96w-JqHEefpi%2BWzazKFUPXNCg%40mail.gmail.com%3E
>>>> >>> >
>>>> >>> > I will be around at least one hour before so we can chat. Contact
>>>> >>> > me
>>>> >>> > if you would like to chat earlier/later. I am also around the
>>>> >>> > other
>>>> >>> > days on IRC / the mailinglist and feel free to contact me in
>>>> >>> > #couchdb-dev at any time. If I am not around I will answer you
>>>> >>> > once I
>>>> >>> > got online again, as I read the backlog.
>>>> >>> >
>>>> >>> > Checklist for Wednesday:
>>>> >>> >  - read the primers on revisions, conflicts and versioning
>>>> >>> >  - do the react.js tutorial and read the flux article
>>>> >>> >  - think how we could integrate that feature into Fauxton, Kxepal
>>>> >>> > might have some nice ideas how he would use the feature, he hangs
>>>> >>> > out
>>>> >>> > in #couchdb-dev like me
>>>> >>> >  - try to answer the questions regarding pros/cons of using the
>>>> >>> > existing revision tree visualizer vs creating one on our own
>>>> >>> >  - try out the old feature in futon
>>>> >>> >  - if time left: take a look at the Fauxton code, this commit
>>>> >>> > shows
>>>> >>> > how we refactored an old backbone component to a React one using
>>>> >>> > the
>>>> >>> > Flux pattern (Stores, Actions, Components)
>>>> >>> >
>>>> >>> >
>>>> >>> > Again, this is a lot of input - but I tried to provide you enough
>>>> >>> > to
>>>> >>> > do until Wednesday. If you don't have time to follow that all
>>>> >>> > (e.g.
>>>> >>> > because of exams) don't feel discouraged. If it is not enough
>>>> >>> > content,
>>>> >>> > just contact me if you are at the last two steps, so I can prepare
>>>> >>> > new
>>>> >>> > content.
>>>> >>> >
>>>> >>> > Best,
>>>> >>> > Robert
>>>> >>> >
>>>> >>> > On Sat, Mar 14, 2015 at 9:07 PM, Nadeeshaan Gunasinghe
>>>> >>> > <[email protected]> wrote:
>>>> >>> > > Hi Robert,
>>>> >>> > > I followed your guide line and  I could Successfully install
>>>> >>> > > coucheDB
>>>> >>> and
>>>> >>> > > fauxton. So as the next step I created a document and tested if
>>>> >>> > everything
>>>> >>> > > works. At the moment every works fine. I think I am ready for
>>>> >>> > > the next
>>>> >>> > step
>>>> >>> > > *" explaining revisions of documents"*. If you can provide some
>>>> >>> guidance
>>>> >>> > > and resources to follow it would be great. :)
>>>> >>> > > Cheers
>>>> >>> > >
>>>> >>> > > On Sat, Mar 14, 2015 at 2:34 PM, Nadeeshaan Gunasinghe <
>>>> >>> > > [email protected]> wrote:
>>>> >>> > >
>>>> >>> > >> Hi,
>>>> >>> > >> Thank you  very mush for the guidelines Robert. I am going to
>>>> >>> > >> get
>>>> >>> > started
>>>> >>> > >> the guidelines as you suggested and Surely I will ping on dev
>>>> >>> > >> in any
>>>> >>> > >> imergency
>>>> >>> > >> Cheers
>>>> >>> > >>
>>>> >>> > >> On Sat, Mar 14, 2015 at 12:59 PM, Robert Kowalski
>>>> >>> > >> <[email protected]>
>>>> >>> > wrote:
>>>> >>> > >>
>>>> >>> > >>> Hi Nadeeshaan and welcome to the CouchDB mailing list :)
>>>> >>> > >>>
>>>> >>> > >>> CouchDB is a database written in Erlang with an HTTP API. We
>>>> >>> > >>> have an
>>>> >>> > >>> Admin-Interface (think of PHP MyAdmin) which is a
>>>> >>> > >>> Single-Page-JavaScript MVC App. It started as a Backbone.js
>>>> >>> > >>> project,
>>>> >>> > >>> but we are currently migrating to React.js for performance
>>>> >>> > >>> reasons.
>>>> >>> > >>>
>>>> >>> > >>> The CouchDB community is a very nice and inclusive community -
>>>> >>> > >>> I
>>>> >>> > >>> really enjoy being a part of it!
>>>> >>> > >>>
>>>> >>> > >>> I tried to write a short tutorial how you can get Fauxton
>>>> >>> > >>> running on
>>>> >>> > >>> your machine. Don't worry if you are stuck or have questions,
>>>> >>> > >>> we are
>>>> >>> > >>> happy to help!
>>>> >>> > >>>
>>>> >>> > >>> Getting started:
>>>> >>> > >>>
>>>> >>> > >>> It would be nice if you have Linux/Unix running on your
>>>> >>> > >>> machine (or
>>>> >>> > >>> something like "git bash" in place, but I a no expert in
>>>> >>> > >>> development
>>>> >>> > >>> on windows) so we can exchange code snippets for the console.
>>>> >>> > >>>
>>>> >>> > >>> Pre-requirements:
>>>> >>> > >>> For this project you will need to install at least CouchDB
>>>> >>> > >>> 1.x, an
>>>> >>> > >>> Ubuntu package (with installation instructions) is at
>>>> >>> > >>> https://launchpad.net/~couchdb/+archive/ubuntu/stable
>>>> >>> > >>>
>>>> >>> > >>> Additionally you need to install Node.js 0.10 or 0.12 (install
>>>> >>> > >>> from
>>>> >>> > >>> https://nodejs.org)
>>>> >>> > >>>
>>>> >>> > >>> Booting Fauxton and first steps (type without the $):
>>>> >>> > >>>
>>>> >>> > >>> after you have couchdb installed you start it with:
>>>> >>> > >>> $  couchdb
>>>> >>> > >>>
>>>> >>> > >>> if you have a permissions problem try:
>>>> >>> > >>> $ sudo couchdb
>>>> >>> > >>>
>>>> >>> > >>> in another terminal, clone the admin interface:
>>>> >>> > >>> $ git clone https://github.com/apache/couchdb-fauxton
>>>> >>> > >>>
>>>> >>> > >>> go to Fauxton
>>>> >>> > >>> $ cd couchdb-fauxton
>>>> >>> > >>>
>>>> >>> > >>> install dependencies:
>>>> >>> > >>> $ npm install
>>>> >>> > >>> $ npm install -g grunt grunt-cli
>>>> >>> > >>>
>>>> >>> > >>> boot the app:
>>>> >>> > >>> $ grunt dev
>>>> >>> > >>>
>>>> >>> > >>> Then open your browser and go to http://localhost:8000 - you
>>>> >>> > >>> should
>>>> >>> > >>> see a red/gray/black interface
>>>> >>> > >>>
>>>> >>> > >>> That was a lot of input, you have a lot archived now!
>>>> >>> > >>>
>>>> >>> > >>> As first step, try to create a database and a document now
>>>> >>> > >>> using the
>>>> >>> > >>> web interface. :)
>>>> >>> > >>>
>>>> >>> > >>> If everything worked, we are ready for the second part,
>>>> >>> > >>> explaining
>>>> >>> > >>> revisions of documents. I am currently travelling but in
>>>> >>> > >>> general I am
>>>> >>> > >>> also on freenode in #couchdb-dev and can give you ad-hoc help
>>>> >>> > >>> and
>>>> >>> help
>>>> >>> > >>> troubleshooting. My nick is robertkowalski/rkowalski - I am
>>>> >>> > >>> also
>>>> >>> happy
>>>> >>> > >>> to share my screen if the problem is more complex.
>>>> >>> > >>>
>>>> >>> > >>>
>>>> >>> > >>> What's next:
>>>> >>> > >>> If everything works we will take a look at Fauxtons code
>>>> >>> > >>> structure
>>>> >>> and
>>>> >>> > >>> how it works. Additionally we will take a look at document
>>>> >>> > >>> revisions.
>>>> >>> > >>>
>>>> >>> > >>> Looking forward to work with you,
>>>> >>> > >>> Robert
>>>> >>> > >>>
>>>> >>> > >>>
>>>> >>> > >>> On Fri, Mar 13, 2015 at 1:51 PM, Nadeeshaan Gunasinghe
>>>> >>> > >>> <[email protected]> wrote:
>>>> >>> > >>> > Hi
>>>> >>> > >>> > I am Nadeeshaan and currently I am a final year
>>>> >>> > >>> > Undergraduate at
>>>> >>> > >>> Department
>>>> >>> > >>> > of Computer Science and Engineering at University of
>>>> >>> > >>> > Moratuwa, Sri
>>>> >>> > >>> Lanka. I
>>>> >>> > >>> > did my Internship at WSO2 Lanka last year which is an open
>>>> >>> > >>> > source
>>>> >>> > >>> products
>>>> >>> > >>> > related Company. I am so much passionate about involving in
>>>> >>> > >>> > Open
>>>> >>> > source
>>>> >>> > >>> > contribution and also I completed my GSOC 2014 Project
>>>> >>> Successfully (
>>>> >>> > >>> >
>>>> >>> > >>>
>>>> >>> >
>>>> >>> > http://magazine.joomla.org/issues/issue-sept-2014/item/2282-reaching-the
>>>> >>> ..
>>>> >>> > >>> .)
>>>> >>> > >>> > . I have a sound knowledge on Java,Javascript,CSS,HTML,
>>>> >>> > >>> > MySQL,
>>>> >>> > Database
>>>> >>> > >>> > Administration, Machine Learning, Data Minng and web
>>>> >>> > >>> > Development
>>>> >>> > >>> specially.
>>>> >>> > >>> >
>>>> >>> > >>> > I am so much interested in aforementioned project and I
>>>> >>> > >>> > would like
>>>> >>> to
>>>> >>> > >>> > involve with this project idea. Therefore I would like to
>>>> >>> > >>> > have bit
>>>> >>> > more
>>>> >>> > >>> > information about the project and to have some guidance
>>>> >>> > >>> > about
>>>> >>> getting
>>>> >>> > >>> > started with the project
>>>> >>> > >>> >
>>>> >>> > >>> > Cheers....
>>>> >>> > >>> >
>>>> >>> > >>> > --
>>>> >>> > >>> > Nadeeshaan Gunasinghe
>>>> >>> > >>> > Department of Computer Science and Engineering
>>>> >>> > >>> > University of Moratuwa
>>>> >>> > >>> > Sri Lanka
>>>> >>> > >>>
>>>> >>> > >>
>>>> >>> > >>
>>>> >>> > >>
>>>> >>> > >> --
>>>> >>> > >> Nadeeshaan Gunasinghe
>>>> >>> > >> Department of Computer Science and Engineering
>>>> >>> > >> University of Moratuwa
>>>> >>> > >> Sri Lanka
>>>> >>> > >>
>>>> >>> > >
>>>> >>> > >
>>>> >>> > >
>>>> >>> > > --
>>>> >>> > > Nadeeshaan Gunasinghe
>>>> >>> > > Department of Computer Science and Engineering
>>>> >>> > > University of Moratuwa
>>>> >>> > > Sri Lanka
>>>> >>> >
>>>> >>>
>>>> >>
>>>> >>
>>>> >>
>>>> >> --
>>>> >> Nadeeshaan Gunasinghe
>>>> >> Department of Computer Science and Engineering
>>>> >> University of Moratuwa
>>>> >> Sri Lanka
>>>
>>>
>>>
>>>
>>> --
>>> Nadeeshaan Gunasinghe
>>> Department of Computer Science and Engineering
>>> University of Moratuwa
>>> Sri Lanka
>>
>>
>>
>>
>> --
>> Nadeeshaan Gunasinghe
>> Department of Computer Science and Engineering
>> University of Moratuwa
>> Sri Lanka
>
>
>
>
> --
> Nadeeshaan Gunasinghe
> Department of Computer Science and Engineering
> University of Moratuwa
> Sri Lanka

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