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Update order_handler, fix json_order_converter

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This commit is contained in:
jvelilla
2011-10-11 08:18:46 -03:00
parent 19da4d6fd0
commit eb44eef885
2 changed files with 74 additions and 69 deletions
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76
examples/restbucks/src/resource/order_handler.e
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@@ -41,41 +41,39 @@ feature -- HTTP Methods
-- If the GET request is not SUCCESS, we response with
-- 404 Resource not found
local
joc : JSON_ORDER_CONVERTER
l_order : detachable ORDER
jv : detachable JSON_VALUE
id : STRING
uri : LIST [READABLE_STRING_32]
h : EWF_HEADER
do
if attached req.orig_path_info as orig_path then
uri := orig_path.split ('/')
id := uri.at (3)
create joc.make
json.add_converter(joc)
if db_access.orders.has_key (id) then
l_order := db_access.orders.item (id)
jv ?= json.value (l_order)
if attached jv as j then
create h.make
h.put_status ({HTTP_STATUS_CODE}.ok)
h.put_content_type ("application/json")
if attached req.request_time as time then
h.add_header ("Date:" +time.formatted_out ("ddd,[0]dd mmm yyyy [0]hh:[0]mi:[0]ss.ff2") + " GMT")
end
if l_order /= Void then
h.add_header ("Etag: " + l_order.etag)
end
res.set_status_code ({HTTP_STATUS_CODE}.ok)
res.write_headers_string (h.string)
res.write_string (j.representation)
end
id := get_order_id_from_path (orig_path)
if attached retrieve_order (id) as l_order then
compute_response_get (ctx, req, res, l_order)
else
handle_resource_not_found_response ("The following resource" + orig_path + " is not found ", ctx, req, res)
end
end
end
compute_response_get (ctx: C; req: WGI_REQUEST; res: WGI_RESPONSE_BUFFER; l_order : ORDER)
local
h: EWF_HEADER
l_msg : STRING
do
create h.make
h.put_status ({HTTP_STATUS_CODE}.ok)
h.put_content_type_application_json
if attached {JSON_VALUE} json.value (l_order) as jv then
l_msg := jv.representation
h.put_content_length (l_msg.count)
if attached req.request_time as time then
h.add_header ("Date:" + time.formatted_out ("ddd,[0]dd mmm yyyy [0]hh:[0]mi:[0]ss.ff2") + " GMT")
end
res.set_status_code ({HTTP_STATUS_CODE}.ok)
res.write_headers_string (h.string)
res.write_string (l_msg)
end
end
do_put (ctx: C; req: WGI_REQUEST; res: WGI_RESPONSE_BUFFER)
local
l_post: STRING
@@ -118,15 +116,13 @@ feature -- HTTP Methods
do_delete (ctx: C; req: WGI_REQUEST; res: WGI_RESPONSE_BUFFER)
local
uri: LIST [READABLE_STRING_32]
id: STRING
h : EWF_HEADER
do
fixme ("TODO handle an Internal Server Error")
fixme ("Refactor the code, create new abstractions")
if attached req.orig_path_info as orig_path then
uri := orig_path.split ('/')
id := uri.at (3)
id := get_order_id_from_path (orig_path)
if db_access.orders.has_key (id) then
delete_order( id)
create h.make
@@ -148,7 +144,7 @@ feature -- HTTP Methods
-- POST is used for creation and the server determines the URI
-- of the created resource.
-- If the request post is SUCCESS, the server will create the order and will response with
-- HTTP_RESPONSE 201 CREATED
-- HTTP_RESPONSE 201 CREATED, the Location header will contains the newly created order's URI
-- if the request post is not SUCCESS, the server will response with
-- HTTP_RESPONSE 400 BAD REQUEST, the client send a bad request
-- HTTP_RESPONSE 500 INTERNAL_SERVER_ERROR, when the server can deliver the request
@@ -170,8 +166,13 @@ feature -- HTTP Methods
h: EWF_HEADER
l_msg : STRING
l_location : STRING
joc : JSON_ORDER_CONVERTER
do
create h.make
create joc.make
json.add_converter(joc)
h.put_status ({HTTP_STATUS_CODE}.created)
h.put_content_type_application_json
if attached {JSON_VALUE} json.value (l_order) as jv then
@@ -190,8 +191,21 @@ feature -- HTTP Methods
end
end
feature {NONE} -- URI helper methods
get_order_id_from_path ( a_path: READABLE_STRING_32) : STRING
do
Result := a_path.split ('/').at(3)
end
feature {NONE} -- Implementation Repository Layer
retrieve_order ( id : STRING) : detachable ORDER
-- get the order by id if it exist, in other case, Void
do
Result := db_access.orders.item (id)
end
save_order (an_order: ORDER)
-- save the order to the repository
local
@@ -227,8 +241,8 @@ feature {NONE} -- Implementation Repository Layer
-- extract an object Order from the request, or Void
-- if the request is invalid
local
joc : JSON_ORDER_CONVERTER
parser : JSON_PARSER
joc : JSON_ORDER_CONVERTER
do
create joc.make
json.add_converter(joc)