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-module(fabric).
% DBs
-export([all_dbs/0, all_dbs/1, create_db/2, delete_db/2, get_db_info/2,
get_doc_count/1]).
% Documents
-export([open_doc/3, open_revs/4, get_missing_revs/2, update_doc/3,
update_docs/3]).
% Views
-export([all_docs/4]).
% miscellany
-export([db_path/2, design_docs/1]).
-include("fabric.hrl").
% db operations
-spec db_path(bstring(), bstring()) -> bstring().
db_path(RawUri, Customer) ->
CustomerUri = generate_customer_path(RawUri, Customer),
{Path, _, _} = mochiweb_util:urlsplit_path(CustomerUri),
Path.
all_dbs() ->
fabric_all_databases:all_databases("").
all_dbs(Customer) ->
fabric_all_databases:all_databases(Customer).
get_db_info(DbName, Customer) ->
fabric_db_info:get_db_info(dbname(DbName), Customer).
get_doc_count(DbName) ->
fabric_db_doc_count:go(dbname(DbName)).
create_db(DbName, Options) ->
fabric_db_create:create_db(dbname(DbName), opts(Options)).
delete_db(DbName, Options) ->
fabric_db_delete:delete_db(dbname(DbName), opts(Options)).
open_doc(DbName, Id, Options) ->
fabric_doc_open:go(dbname(DbName), docid(Id), opts(Options)).
open_revs(DbName, Id, Revs, Options) ->
fabric_doc_open_revs:go(dbname(DbName), docid(Id), Revs, opts(Options)).
get_missing_revs(DbName, IdsRevs) when is_list(IdsRevs) ->
Sanitized = [idrevs(IdR) || IdR <- IdsRevs],
fabric_doc_missing_revs:go(dbname(DbName), Sanitized).
update_doc(DbName, Doc, Options) ->
{ok, [Result]} = update_docs(DbName, [Doc], opts(Options)),
Result.
update_docs(DbName, Docs, Options) ->
fabric_doc_update:go(dbname(DbName), docs(Docs), opts(Options)).
all_docs(DbName, #view_query_args{} = QueryArgs, Callback, Acc0) when
is_function(Callback, 2) ->
fabric_view_all_docs:go(dbname(DbName), QueryArgs, Callback, Acc0).
design_docs(DbName) ->
QueryArgs = #view_query_args{start_key = <<"_design/">>, include_docs=true},
Callback = fun({total_and_offset, _, _}, []) ->
{ok, []};
({row, {Props}}, Acc) ->
case couch_util:get_value(id, Props) of
<<"_design/", _/binary>> ->
{ok, [couch_util:get_value(doc, Props) | Acc]};
_ ->
{stop, Acc}
end;
(complete, Acc) ->
{ok, lists:reverse(Acc)}
end,
fabric:all_docs(dbname(DbName), QueryArgs, Callback, []).
%% some simple type validation and transcoding
dbname(DbName) when is_list(DbName) ->
list_to_binary(DbName);
dbname(DbName) when is_binary(DbName) ->
DbName;
dbname(DbName) ->
erlang:error({illegal_database_name, DbName}).
docid(DocId) when is_list(DocId) ->
list_to_binary(DocId);
docid(DocId) when is_binary(DocId) ->
DocId;
docid(DocId) ->
erlang:error({illegal_docid, DocId}).
docs(Docs) when is_list(Docs) ->
[doc(D) || D <- Docs];
docs(Docs) ->
erlang:error({illegal_docs_list, Docs}).
doc(#doc{} = Doc) ->
Doc;
doc({_} = Doc) ->
couch_doc:from_json_obj(Doc);
doc(Doc) ->
erlang:error({illegal_doc_format, Doc}).
idrevs({Id, Revs}) when is_list(Revs) ->
{docid(Id), [rev(R) || R <- Revs]}.
rev(Rev) when is_list(Rev); is_binary(Rev) ->
couch_doc:parse_rev(Rev);
rev({Seq, Hash} = Rev) when is_integer(Seq), is_binary(Hash) ->
Rev.
opts(Options) ->
case couch_util:get_value(user_ctx, Options) of
undefined ->
case erlang:get(user_ctx) of
#user_ctx{} = Ctx ->
[{user_ctx, Ctx} | Options];
_ ->
Options
end;
_ ->
Options
end.
generate_customer_path("/", _Customer) ->
"";
generate_customer_path("/favicon.ico", _Customer) ->
"favicon.ico";
generate_customer_path([$/,$_|Rest], _Customer) ->
lists:flatten([$_|Rest]);
generate_customer_path([$/|RawPath], Customer) ->
case Customer of
"" ->
RawPath;
Else ->
lists:flatten([Else, "%2F", RawPath])
end.
|
