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Correctly filter the catalog when we don't what to filter. 

Set the different filter's fields only when we are requested to filter
them. Else, we ends to requests that some fields are empty.

If the request has no argument, we raise an exception (catched) and so
we don't set the corresponding field in the filter.

Fix #303
This commit is contained in:
Matthieu Gautier 2020-01-07 17:08:39 +01:00
parent 4a01303438
commit 071e9e3fec
2 changed files with 9 additions and 14 deletions
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2
ChangeLog
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@ -2,6 +2,8 @@ kiwix-lib 8.2.3
===============
* [OPDS] Correctly set the id of the OPDS stream.
* [OPDS] Do not try to filter the catalog if no filter field is given in the
request.
kiwix-lib 8.2.2
===============

21
src/server.cpp
View File

@ -750,17 +750,16 @@ Response InternalServer::handle_catalog(const RequestContext& request)
uuid = zim::Uuid::generate(host);
bookIdsToDump = mp_library->filter(kiwix::Filter().valid(true).local(true).remote(true));
} else if (url == "search") {
std::string query;
std::string language;
std::vector<std::string> tags;
std::vector<std::string> noTags;
auto filter = kiwix::Filter().valid(true).local(true).remote(true);
string query("<Empty query>");
size_t count(10);
size_t startIndex(0);
try {
query = request.get_argument("q");
filter.query(query);
} catch (const std::out_of_range&) {}
try {
language = request.get_argument("lang");
filter.lang(request.get_argument("lang"));
} catch (const std::out_of_range&) {}
try {
count = extractFromString<unsigned long>(request.get_argument("count"));
@ -769,20 +768,14 @@ Response InternalServer::handle_catalog(const RequestContext& request)
startIndex = extractFromString<unsigned long>(request.get_argument("start"));
} catch (...) {}
try {
tags = kiwix::split(request.get_argument("notag"), ";");
filter.acceptTags(kiwix::split(request.get_argument("notag"), ";"));
} catch (...) {}
try {
noTags = kiwix::split(request.get_argument("notag"), ";");
filter.rejectTags(kiwix::split(request.get_argument("notag"), ";"));
} catch (...) {}
opdsDumper.setTitle("Search result for " + query);
uuid = zim::Uuid::generate();
bookIdsToDump = mp_library->filter(
kiwix::Filter().valid(true).local(true).remote(true)
.query(query)
.lang(language)
.acceptTags(tags)
.rejectTags(noTags)
);
bookIdsToDump = mp_library->filter(filter);
auto totalResults = bookIdsToDump.size();
bookIdsToDump.erase(bookIdsToDump.begin(), bookIdsToDump.begin()+startIndex);
if (count>0 && bookIdsToDump.size() > count) {