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authorJan Lehnardt <jan@apache.org>2009-03-04 00:15:07 +0000
committerJan Lehnardt <jan@apache.org>2009-03-04 00:15:07 +0000
commit446735bf7d60831b800275e3bb85251e4d6f8e38 (patch)
treefd4a11092366fec7b2bc1cbf2659645e1d1b4997 /src/couchdb
parent5ce28dab2a2f803efdc6ae4d1a39e82d758cec57 (diff)
allow for handling 404s in document show functions
git-svn-id: https://svn.apache.org/repos/asf/couchdb/trunk@749852 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'src/couchdb')
-rw-r--r--src/couchdb/couch_httpd_db.erl17
-rw-r--r--src/couchdb/couch_httpd_show.erl16
-rw-r--r--src/couchdb/couch_query_servers.erl18
3 files changed, 32 insertions, 19 deletions
diff --git a/src/couchdb/couch_httpd_db.erl b/src/couchdb/couch_httpd_db.erl
index 524b52b4..1bd853f3 100644
--- a/src/couchdb/couch_httpd_db.erl
+++ b/src/couchdb/couch_httpd_db.erl
@@ -13,7 +13,7 @@
-module(couch_httpd_db).
-include("couch_db.hrl").
--export([handle_request/1, db_req/2, couch_doc_open/4]).
+-export([handle_request/1, db_req/2, couch_doc_open/4, couch_doc_open/5]).
-import(couch_httpd,
[send_json/2,send_json/3,send_json/4,send_method_not_allowed/2,
@@ -538,20 +538,27 @@ db_doc_req(Req, _Db, _DocId) ->
% couch_doc_open(Db, DocId, [], []).
couch_doc_open(Db, DocId, Rev, Options) ->
+ couch_doc_open(Db, DocId, Rev, Options, true).
+
+couch_doc_open(Db, DocId, Rev, Options, Throw) ->
case Rev of
"" -> % open most recent rev
case couch_db:open_doc(Db, DocId, Options) of
{ok, Doc} ->
Doc;
- Error ->
- throw(Error)
+ Error when Throw ->
+ throw(Error);
+ _ ->
+ nil
end;
_ -> % open a specific rev (deletions come back as stubs)
case couch_db:open_doc_revs(Db, DocId, [Rev], Options) of
{ok, [{ok, Doc}]} ->
Doc;
- {ok, [Else]} ->
- throw(Else)
+ {ok, [Else]} when Throw ->
+ throw(Else);
+ {ok, _} ->
+ nil
end
end.
diff --git a/src/couchdb/couch_httpd_show.erl b/src/couchdb/couch_httpd_show.erl
index 09484a3c..475f9ae2 100644
--- a/src/couchdb/couch_httpd_show.erl
+++ b/src/couchdb/couch_httpd_show.erl
@@ -24,14 +24,14 @@
handle_doc_show_req(#httpd{
method='GET',
- path_parts=[_, _, DesignName, ShowName, Docid]
+ path_parts=[_, _, DesignName, ShowName, DocId]
}=Req, Db) ->
DesignId = <<"_design/", DesignName/binary>>,
#doc{body={Props}} = couch_httpd_db:couch_doc_open(Db, DesignId, [], []),
Lang = proplists:get_value(<<"language">>, Props, <<"javascript">>),
ShowSrc = get_nested_json_value({Props}, [<<"shows">>, ShowName]),
- Doc = couch_httpd_db:couch_doc_open(Db, Docid, [], []),
- send_doc_show_response(Lang, ShowSrc, Doc, Req, Db);
+ Doc = couch_httpd_db:couch_doc_open(Db, DocId, [], [], false),
+ send_doc_show_response(Lang, ShowSrc, DocId, Doc, Req, Db);
handle_doc_show_req(#httpd{
method='GET',
@@ -41,7 +41,7 @@ handle_doc_show_req(#httpd{
#doc{body={Props}} = couch_httpd_db:couch_doc_open(Db, DesignId, [], []),
Lang = proplists:get_value(<<"language">>, Props, <<"javascript">>),
ShowSrc = get_nested_json_value({Props}, [<<"shows">>, ShowName]),
- send_doc_show_response(Lang, ShowSrc, nil, Req, Db);
+ send_doc_show_response(Lang, ShowSrc, nil, nil, Req, Db);
handle_doc_show_req(#httpd{method='GET'}=Req, _Db) ->
send_error(Req, 404, <<"show_error">>, <<"Invalid path.">>);
@@ -257,7 +257,7 @@ finish_list(Req, Db, QueryServer, Etag, FoldResult, StartListRespFun, TotalRows)
throw(Error)
end.
-send_doc_show_response(Lang, ShowSrc, nil, #httpd{mochi_req=MReq}=Req, Db) ->
+send_doc_show_response(Lang, ShowSrc, DocId, nil, #httpd{mochi_req=MReq}=Req, Db) ->
% compute etag with no doc
Headers = MReq:get(headers),
Hlist = mochiweb_headers:to_list(Headers),
@@ -265,12 +265,12 @@ send_doc_show_response(Lang, ShowSrc, nil, #httpd{mochi_req=MReq}=Req, Db) ->
CurrentEtag = couch_httpd:make_etag({Lang, ShowSrc, nil, Accept}),
couch_httpd:etag_respond(Req, CurrentEtag, fun() ->
ExternalResp = couch_query_servers:render_doc_show(Lang, ShowSrc,
- nil, Req, Db),
+ DocId, nil, Req, Db),
JsonResp = apply_etag(ExternalResp, CurrentEtag),
couch_httpd_external:send_external_response(Req, JsonResp)
end);
-send_doc_show_response(Lang, ShowSrc, #doc{revs=[DocRev|_]}=Doc,
+send_doc_show_response(Lang, ShowSrc, DocId, #doc{revs=[DocRev|_]}=Doc,
#httpd{mochi_req=MReq}=Req, Db) ->
% calculate the etag
Headers = MReq:get(headers),
@@ -280,7 +280,7 @@ send_doc_show_response(Lang, ShowSrc, #doc{revs=[DocRev|_]}=Doc,
% We know our etag now
couch_httpd:etag_respond(Req, CurrentEtag, fun() ->
ExternalResp = couch_query_servers:render_doc_show(Lang, ShowSrc,
- Doc, Req, Db),
+ DocId, Doc, Req, Db),
JsonResp = apply_etag(ExternalResp, CurrentEtag),
couch_httpd_external:send_external_response(Req, JsonResp)
end).
diff --git a/src/couchdb/couch_query_servers.erl b/src/couchdb/couch_query_servers.erl
index a33ffada..4ff69a2d 100644
--- a/src/couchdb/couch_query_servers.erl
+++ b/src/couchdb/couch_query_servers.erl
@@ -18,7 +18,9 @@
-export([init/1, terminate/2, handle_call/3, handle_cast/2, handle_info/2,code_change/3,stop/0]).
-export([start_doc_map/2, map_docs/2, stop_doc_map/1]).
-export([reduce/3, rereduce/3,validate_doc_update/5]).
--export([render_doc_show/5,start_view_list/2,render_list_head/5, render_list_row/4, render_list_tail/3, render_reduce_head/3, render_reduce_row/4]).
+-export([render_doc_show/6,start_view_list/2,render_list_head/5,
+ render_list_row/4, render_list_tail/3, render_reduce_head/3,
+ render_reduce_row/4]).
% -export([test/0]).
-include("couch_db.hrl").
@@ -122,14 +124,18 @@ validate_doc_update(Lang, FunSrc, EditDoc, DiskDoc, Ctx) ->
after
ok = ret_os_process(Lang, Pid)
end.
+append_docid(DocId, JsonReqIn) ->
+ [{<<"docId">>, DocId} | JsonReqIn].
-render_doc_show(Lang, ShowSrc, Doc, Req, Db) ->
+render_doc_show(Lang, ShowSrc, DocId, Doc, Req, Db) ->
Pid = get_os_process(Lang),
- JsonDoc = case Doc of
- nil -> null;
- _ -> couch_doc:to_json_obj(Doc, [revs])
+ {JsonReqIn} = couch_httpd_external:json_req_obj(Req, Db),
+
+ {JsonReq, JsonDoc} = case {DocId, Doc} of
+ {nil, nil} -> {{JsonReqIn}, null};
+ {DocId, nil} -> {{append_docid(DocId, JsonReqIn)}, null};
+ _ -> {{append_docid(DocId, JsonReqIn)}, couch_doc:to_json_obj(Doc, [revs])}
end,
- JsonReq = couch_httpd_external:json_req_obj(Req, Db),
try couch_os_process:prompt(Pid,
[<<"show_doc">>, ShowSrc, JsonDoc, JsonReq]) of
FormResp ->