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<div class="">My tests and patch were on current master branch, and so it looks like there were further changes to lcnaf between 1.4.2 and 2.0.1 . </div>
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<div class="">But the significant changes in my patch were: </div>
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<div class="">[1] prefixing the @scheme parameter with (what I assume is) a field specifier: @scheme = “cs:” + @scheme</div>
<div class="">( prefix could either be added to @scheme in initialized method, or else added to the search params in search method. ) You can just manually edit that change if the patch doesn’t work. </div>
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<div class="">[2] the “p uri” prints out the final <a href="http://doc.gov" class="">
doc.gov</a> URI and query string. This was part of the debugging and reverse engineering: to compare the URI & query in
<a href="http://id.loc.gov" class="">id.loc.gov</a> search page with what LCNAF plugin was using. Since I’m not sure if API changes to
<a href="http://id.loc.gov" class="">id.loc.gov</a> are documented anywhere, I left it there in case of future changes or problems. You can always grab the URL out of the log file and paste it into curl or your browser to see if it’s working as expected. So
the line 71 change is not required. </div>
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<div class="">— Steve. </div>
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<div class="">On Jun 16, 2017, at 2:38 PM, Maurice, Candace A <<a href="mailto:cmaurice@tulane.edu" class="">cmaurice@tulane.edu</a>> wrote:</div>
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<div class="">Hi Steve, </div>
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<div class="">I tried to implement the patch, but still no luck. My file on line 71 is different than in the patch you provided (see function below).</div>
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<div class="">def search(query, page, records_per_page)</div>
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<div class=""> uri = URI(@base_url)</div>
<div class=""> start_record = calculate_start_record(page, records_per_page)</div>
<div class=""> params = default_params.merge('q' => [query.to_s, @scheme],</div>
<div class=""> 'count' => records_per_page,</div>
<div class=""> 'start' => start_record)</div>
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<div class=""> uri.query = URI.encode_www_form(params)</div>
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<div class=""> response = Net::HTTP.get_response(uri)</div>
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<div class=""> if response.code != '200'</div>
<div class=""> raise OpenSearchException.new("Error during OpenSearch search: #{response.body}")</div>
<div class=""> end</div>
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</div>
<div class=""> results = OpenSearchResultSet.new(response.body, query)</div>
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</div>
<div class=""> results.entries.each do |entry|</div>
<div class=""> marc_uri = URI("#{entry['uri']}.marcxml.xml")</div>
<div class=""> response = Net::HTTP.get_response(marc_uri)</div>
<div class=""> if response.code != '200'</div>
<div class=""> raise OpenSearchException.new("Error during OpenSearch search: #{response.body}")</div>
<div class=""> end</div>
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<div class=""> entry['xml'] = response.body.force_encoding("iso-8859-1").encode('utf-8')</div>
<div class=""> end</div>
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<div class=""> results</div>
<div class=""> End</div>
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</div>
<div class="">-candace</div>
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<span style="font-weight:bold" class="">From: </span><<a href="mailto:archivesspace_users_group-bounces@lyralists.lyrasis.org" class="">archivesspace_users_group-bounces@lyralists.lyrasis.org</a>> on behalf of "Majewski, Steven Dennis (sdm7g)" <<a href="mailto:sdm7g@eservices.virginia.edu" class="">sdm7g@eservices.virginia.edu</a>><br class="">
<span style="font-weight:bold" class="">Reply-To: </span>Archivesspace Users Group <<a href="mailto:archivesspace_users_group@lyralists.lyrasis.org" class="">archivesspace_users_group@lyralists.lyrasis.org</a>><br class="">
<span style="font-weight:bold" class="">Date: </span>Thursday, June 15, 2017 at 12:26 PM<br class="">
<span style="font-weight:bold" class="">To: </span>Archivesspace Users Group <<a href="mailto:archivesspace_users_group@lyralists.lyrasis.org" class="">archivesspace_users_group@lyralists.lyrasis.org</a>><br class="">
<span style="font-weight:bold" class="">Subject: </span>Re: [Archivesspace_Users_Group] Subject Heading Plugin not working properly 1.4.2<br class="">
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<div class="">It appears to be no longer working in any version. </div>
<div class="">I believe loc has changed the API for the service slightly. Need to investigate further.</div>
<div class="">But trying to reverse engineer the parameters from inspecting the difference in the params used in the web page search vs. what’s embedded in LCNAF plugin, I tried this change, which appears to work for me: </div>
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<div style="margin: 0px; line-height: normal; color: rgb(105, 40, 40); background-color: rgb(255, 238, 219);" class="">
<span style="font-variant-ligatures: no-common-ligatures;" class=""><b class=""><font size="2" class="">diff --git a/plugins/lcnaf/frontend/models/opensearcher.rb b/plugins/lcnaf/frontend/models/opensearcher.rb</font></b></span></div>
<div style="margin: 0px; line-height: normal; color: rgb(105, 40, 40); background-color: rgb(255, 238, 219);" class="">
<span style="font-variant-ligatures: no-common-ligatures" class=""><b class=""><font size="2" class="">index 9391ab5..37e2813 100644</font></b></span></div>
<div style="margin: 0px; line-height: normal; color: rgb(105, 40, 40); background-color: rgb(255, 238, 219);" class="">
<span style="font-variant-ligatures: no-common-ligatures" class=""><b class=""><font size="2" class="">--- a/plugins/lcnaf/frontend/models/opensearcher.rb</font></b></span></div>
<div style="margin: 0px; line-height: normal; color: rgb(105, 40, 40); background-color: rgb(255, 238, 219);" class="">
<span style="font-variant-ligatures: no-common-ligatures" class=""><b class=""><font size="2" class="">+++ b/plugins/lcnaf/frontend/models/opensearcher.rb</font></b></span></div>
<div style="margin: 0px; line-height: normal; background-color: rgb(255, 238, 219);" class="">
<font size="2" class=""><span style="font-variant-ligatures: no-common-ligatures; color: #24b1bf" class="">@@ -14,7 +14,7 @@</span><span style="font-variant-ligatures: no-common-ligatures" class=""> class OpenSearcher</span></font></div>
<div style="margin: 0px; line-height: normal; background-color: rgb(255, 238, 219); min-height: 19px;" class="">
<font size="2" class=""><span style="font-variant-ligatures: no-common-ligatures" class=""> </span><br class="webkit-block-placeholder">
</font></div>
<div style="margin: 0px; line-height: normal; background-color: rgb(255, 238, 219);" class="">
<span style="font-variant-ligatures: no-common-ligatures" class=""><font size="2" class=""> def initialize(base_url, scheme )</font></span></div>
<div style="margin: 0px; line-height: normal; background-color: rgb(255, 238, 219);" class="">
<span style="font-variant-ligatures: no-common-ligatures" class=""><font size="2" class=""> @base_url = base_url</font></span></div>
<div style="margin: 0px; line-height: normal; color: rgb(188, 48, 28); background-color: rgb(255, 238, 219);" class="">
<span style="font-variant-ligatures: no-common-ligatures" class=""><font size="2" class="">- @scheme = scheme</font></span></div>
<div style="margin: 0px; line-height: normal; color: rgb(38, 179, 26); background-color: rgb(255, 238, 219);" class="">
<span style="font-variant-ligatures: no-common-ligatures" class=""><font size="2" class="">+ @scheme = "cs:" + scheme</font></span></div>
<div style="margin: 0px; line-height: normal; background-color: rgb(255, 238, 219);" class="">
<span style="font-variant-ligatures: no-common-ligatures" class=""><font size="2" class=""> end</font></span></div>
<div style="margin: 0px; line-height: normal; background-color: rgb(255, 238, 219); min-height: 19px;" class="">
<font size="2" class=""><span style="font-variant-ligatures: no-common-ligatures" class=""> </span><br class="webkit-block-placeholder">
</font></div>
<div style="margin: 0px; line-height: normal; background-color: rgb(255, 238, 219); min-height: 19px;" class="">
<font size="2" class=""><span style="font-variant-ligatures: no-common-ligatures" class=""> </span><br class="webkit-block-placeholder">
</font></div>
<div style="margin: 0px; line-height: normal; background-color: rgb(255, 238, 219);" class="">
<font size="2" class=""><span style="font-variant-ligatures: no-common-ligatures; color: #24b1bf" class="">@@ -71,7 +71,7 @@</span><span style="font-variant-ligatures: no-common-ligatures" class=""> class OpenSearcher</span></font></div>
<div style="margin: 0px; line-height: normal; background-color: rgb(255, 238, 219);" class="">
<span style="font-variant-ligatures: no-common-ligatures" class=""><font size="2" class=""> 'start' => start_record)</font></span></div>
<div style="margin: 0px; line-height: normal; background-color: rgb(255, 238, 219); min-height: 19px;" class="">
<font size="2" class=""><span style="font-variant-ligatures: no-common-ligatures" class=""> </span><br class="webkit-block-placeholder">
</font></div>
<div style="margin: 0px; line-height: normal; background-color: rgb(255, 238, 219);" class="">
<span style="font-variant-ligatures: no-common-ligatures" class=""><font size="2" class=""> uri.query = URI.encode_www_form(params)</font></span></div>
<div style="margin: 0px; line-height: normal; color: rgb(188, 48, 28); background-color: rgb(255, 238, 219);" class="">
<span style="font-variant-ligatures: no-common-ligatures" class=""><font size="2" class="">-</font></span></div>
<div style="margin: 0px; line-height: normal; color: rgb(38, 179, 26); background-color: rgb(255, 238, 219);" class="">
<span style="font-variant-ligatures: no-common-ligatures" class=""><font size="2" class="">+ p uri</font></span></div>
<div style="margin: 0px; line-height: normal; background-color: rgb(255, 238, 219);" class="">
<span style="font-variant-ligatures: no-common-ligatures" class=""><font size="2" class=""> results = HTTPRequest.new.get(uri) do |response|</font></span></div>
<div style="margin: 0px; line-height: normal; background-color: rgb(255, 238, 219);" class="">
<span style="font-variant-ligatures: no-common-ligatures" class=""><font size="2" class=""> if response.code != '200'</font></span></div>
<div style="margin: 0px; line-height: normal; background-color: rgb(255, 238, 219);" class="">
<span style="font-variant-ligatures: no-common-ligatures" class=""><font size="2" class=""> raise OpenSearchException.new("Error during OpenSearch search: #{response.body}")</font></span></div>
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<div class="">( The other OCLC search has always been unreliable — it’s a test site and not a supported service. ) </div>
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<div class="">— Steve Majewski</div>
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<div class="">On Jun 15, 2017, at 12:07 PM, Maurice, Candace A <<a href="mailto:cmaurice@tulane.edu" class="">cmaurice@tulane.edu</a>> wrote:</div>
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<div class="">Hello All,</div>
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<div class="">We are on version 1.4.2 and we have had a user report that the subject heading plugin is not returning results for either LCNAF or LCSH (OCLC works, however). The user doesn’t receive any error messages when using the plugin, but tried typing
in known subject headings for the Library Of Congress and it’s still not returning results. I checked the Background jobs and logs and there are not error messages. I also went to the LOC website and all appears to be fine when searching subject headings
on their site. </div>
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<div class="">Has anyone else experienced a similar issue? Can you point me in the right direction for resolving this issue? </div>
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<div class="">Thanks, </div>
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<div class="">Candace </div>
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<div class="">------------------------- </div>
<div class="">Candace Maurice</div>
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<div class="">Web Developer</div>
<div class="">Howard-Tiltion Memorial Library</div>
<div class="">Tulane University </div>
<div class="">504.314.7784</div>
<div class=""><a href="mailto:cmaurice@tulane.edu" class="">cmaurice@tulane.edu</a></div>
<div class=""><span id="cid:AEBAE6F4-D08D-494B-8411-340260C5F8B7" class=""><512DA1AA-B52D-4559-9B7E-FB77BCC5BB86.png></span></div>
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