No. At least not in the way web2py uses it. On Wednesday, 25 June 2014 11:58:01 UTC-5, Cliff Kachinske wrote: > > Massimo, > > I like the way your thoughts are headed. > > doesn't the many2many issue goes away if one uses, for example, MongoDB? > > On Sunday, June 22, 2014 4:45:06 PM UTC-4, Massimo Di Pierro wrote: >> >> I added Hypermedia API support to web2py using Collection+JSON. >> Experimental. >> Collection+JSON is a standard for self documenting RESTful API. >> Read more: http://amundsen.com/media-types/collection/ >> >> Example >> ========= >> >> Let's say you have a model: >> >> db.define_table('thing',Field('name')) >> >> and in controller default.py you add >> >> def api(): >> from gluon.contrib.hypermedia import Collection >> rules = { >> 'thing': { >> 'GET':{'query':None,'fields':['id', 'name']}, >> 'POST':{'query':None,'fields':['name']}, >> 'PUT':{'query':None,'fields':['name']}, >> 'DELETE':{'query':None}, >> }} >> return Collection(db).process(request,response,rules) >> >> And now by magic your table "thing" is fully exposed using the >> Collection+JSON API. The API is self documenting and supports GET, POST, >> PUT, DELETE, etc. >> >> For example you can do things like: >> >> curl http://127.0.0.1:8000/app/default/api/thing >> curl http://127.0.0.1:8000/app/default/api/thing/1 >> curl http://127.0.0.1:8000/app/default/api/thing?id=1 >> curl >> http://127.0.0.1:8000/app/default/api/thing?name=Box&id.gt=10&_offest=10&_limit=30 >> curl -X POST -d name="Box" http://127.0.0.1:8000/app/default/api/thing >> curl -X PUT -d name="Chair" http://127.0.0.1:8000/app/default/api/thing >> ?name=Box >> curl -X DELETE >> http://127.0.0.1:8000/super/collections/conform/thing?name=Chair >> >> The API are completely self documenting as explained here >> http://amundsen.com/media-types/collection/ >> >> It is customizable >> ============== >> >> rules = { >> 'thing': { >> 'GET':{'query':None,'fields':['id', 'name']}, >> 'POST':{'query':None,'fields':['name']}, >> 'PUT':{'query':None,'fields':['name']}, >> 'DELETE':{'query':None}, >> }} >> >> Let you specify which tables are exposed, which methods are available and >> which fields are exposed for each method. The query property lets you >> specify optional filters for example { >> 'query':db.thing.name.startswith('A'),....} will only exposed things >> starting with letter A. Fields can be conditional and different for >> different users or for the same user in different stages of a workflow (the >> communication is stateless, but the server is not). >> >> Supports complex queries >> ===================== >> http:/...../{table} >> http:/...../{table}/{id} >> http:/...../{table}?{field}=value >> http:/...../{table}?{field}.gt=value # field>value >> http:/...../{table}?{field}.le=value # field<=value >> ... >> http:/...../{table}?_orderby={field} >> http:/...../{table}?_limitby=value >> http:/...../{table}?_offset=value >> ... >> and combinations there of. They are mapped directly into DAL queries. >> More examples are in the API response itself. >> >> The bigger picture >> =============== >> >> This API provide enough information to generate forms and tables and grid >> completely client side. Recently we stumbled against the problem of moving >> from Bootstrap 2 to Bootstrap 3 because so much of the form and grid logic >> is server side. My plan is to move most of the logic in the JS library and >> allow users to customize them for different CSS frameworks. >> >> Eventually (in dreams) I would like to have a very slim framework based >> on bottle+dal+validators+auth+collection and have client side only >> templates (based on jquery, sugar, and ractive.js) that can generate forms >> and grids based the collection API. This framework could ship with web2py >> and allow you to program using same web interface that we all love. There >> are many design decisions to make to get there. Your suggestions are >> welcome. >> >> How can you help? >> =============== >> 1) test it. >> 2) there are many existing client side tools for Collection+JSON. Try >> them with web2py. >> 3) blog about it and suggest improvements. >> >> >> I said, it is experimental >> =================== >> >> Collection+JSON has limits: >> - it is very verbose JSON. This is my my implementation has compact=True >> option that breaks the protocol but makes much smaller JSON messages. >> - it does not convey field type information and constraints. This is why >> I extended to do so but more work is needed because DAL types do not map >> into HTML5 input types (this of list:string or list:reference). >> >> More extensions of the protocol are required. Extensions are allowed. Yet >> they may change the API in the near future. >> >> Massimo >> >
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