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// file : brep/package-version-search.cxx -*- C++ -*-
// copyright : Copyright (c) 2014-2015 Code Synthesis Ltd
// license : MIT; see accompanying LICENSE file
#include <brep/package-version-search>
#include <string>
#include <memory> // make_shared(), shared_ptr
#include <cstddef> // size_t
#include <cassert>
#include <xml/serializer>
#include <odb/database.hxx>
#include <odb/transaction.hxx>
#include <web/xhtml>
#include <web/module>
#include <web/mime-url-encoding>
#include <brep/page>
#include <brep/package>
#include <brep/package-odb>
#include <brep/shared-database>
using namespace std;
using namespace cli;
using namespace odb::core;
namespace brep
{
void package_version_search::
init (scanner& s)
{
MODULE_DIAG;
options_ = make_shared<options::package_version_search> (
s, unknown_mode::fail, unknown_mode::fail);
db_ = shared_database (options_->db_host (), options_->db_port ());
}
void package_version_search::
handle (request& rq, response& rs)
{
using namespace xml;
using namespace web;
using namespace web::xhtml;
MODULE_DIAG;
const string& name (*rq.path ().rbegin ());
params::package_version_search pr;
try
{
param_scanner s (rq.parameters ());
pr = params::package_version_search (
s, unknown_mode::fail, unknown_mode::fail);
}
catch (const unknown_argument& e)
{
throw invalid_request (400, e.what ());
}
const char* ident ("\n ");
const string title ("Package " + name);
serializer s (rs.content (), title);
s << HTML
<< HEAD
<< TITLE << title << ~TITLE
<< CSS_STYLE << ident
<< pager_style () << ident
<< "a {text-decoration: none;}" << ident
<< "a:hover {text-decoration: underline;}" << ident
<< ".name {font-size: xx-large; font-weight: bold;}" << ident
<< ".summary {font-size: x-large; margin: 0.2em 0 0;}" << ident
<< ".url {font-size: small;}" << ident
<< ".email {font-size: small;}" << ident
<< ".description {margin: 0.5em 0 0;}" << ident
<< ".tags {margin: 0.5em 0 0;}" << ident
<< ".tag {padding: 0 0.3em 0 0;}" << ident
<< ".versions {font-size: x-large; margin: 0.5em 0 0;}" << ident
<< ".package_version {margin: 0.5em 0 0;}" << ident
<< ".version {font-size: x-large;}"
<< ~CSS_STYLE
<< ~HEAD
<< BODY;
transaction t (db_->begin ());
shared_ptr<package> p;
try
{
p = db_->load<package> (name);
}
catch (const object_not_persistent& )
{
throw invalid_request (404, "Package '" + name + "' not found");
}
s << DIV(CLASS="name")
<< name
<< ~DIV
<< DIV(CLASS="summary")
<< p->summary
<< ~DIV;
s << DIV(CLASS="url")
<< A << HREF << p->url << ~HREF << p->url << ~A
<< ~DIV
<< DIV(CLASS="email")
<< A << HREF << "mailto:" << p->email << ~HREF << p->email << ~A
<< ~DIV;
if (p->description)
s << DIV(CLASS="description")
<< *p->description
<< ~DIV;
if (!p->tags.empty ())
{
s << DIV(CLASS="tags");
for (const auto& t: p->tags)
s << SPAN(CLASS="tag") << t << ~SPAN << " ";
s << ~DIV;
}
// @@ Query will also include search criteria if specified.
//
size_t pvc (
db_->query_value<package_version_count> (
query<package_version_count>::id.data.package == name).count);
s << DIV(CLASS="versions")
<< "Versions (" << pvc << ")"
<< ~DIV;
if (p->package_url)
s << DIV(CLASS="url")
<< A << HREF << *p->package_url << ~HREF << *p->package_url << ~A
<< ~DIV;
if (p->package_email)
s << DIV(CLASS="email")
<< A
<< HREF << "mailto:" << *p->package_email << ~HREF
<< *p->package_email
<< ~A
<< ~DIV;
size_t rop (options_->results_on_page ());
// @@ Use appropriate view when clarify which package version info to be
// displayed and search index structure get implemented. Query will also
// include search criteria if specified.
//
using query = query<package_version>;
auto r (
db_->query<package_version> ((query::id.data.package == name) +
"ORDER BY" + query::id.data.epoch + "DESC," +
query::id.data.canonical_upstream + "DESC," +
query::id.revision + "DESC " +
"OFFSET" + to_string (pr.page () * rop) +
"LIMIT" + to_string (rop)));
for (const auto& v: r)
{
static const strings priority_names (
{"low", "medium", "high", "security"});
assert (v.priority < priority_names.size ());
const string& vs (v.version.string ());
s << DIV(CLASS="package_version")
<< DIV(CLASS="version")
<< A
<< HREF
<< "/go/" << mime_url_encode (name) << "/" << vs
<< ~HREF
<< vs
<< ~A
<< ~DIV
<< DIV(CLASS="priority")
<< "Priority: " << priority_names[v.priority]
<< ~DIV
<< DIV(CLASS="licenses")
<< "Licenses: ";
for (const auto& la: v.license_alternatives)
{
if (&la != &v.license_alternatives[0])
s << " or ";
for (const auto& l: la)
{
if (&l != &la[0])
s << ", ";
s << l;
}
}
s << ~DIV
<< ~DIV;
}
t.commit ();
auto u (
[&name, &pr](size_t p)
{
string url (name);
if (p > 0)
url += "?p=" + to_string (p);
if (!pr.query ().empty ())
url +=
string (p > 0 ? "&" : "?") + "q=" + mime_url_encode (pr.query ());
return url;
});
s << pager (pr.page (), pvc, rop, options_->pages_in_pager (), u)
<< ~BODY
<< ~HTML;
}
}
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