5 files changed, 148 insertions, 2 deletions

diff --git a/python/fatcat_web/routes.py b/python/fatcat_web/routes.py
index 45f6b0b6..a741112f 100644
--- a/python/fatcat_web/routes.py
+++ b/python/fatcat_web/routes.py
@@ -732,6 +732,35 @@ def container_search():
         return render_template('container_search.html', query=query, es_error=fse), fse.status_code
     return render_template('container_search.html', query=query, found=found)
 
+@app.route('/coverage/search', methods=['GET', 'POST'])
+def coverage_search():
+
+    if 'q' not in request.args.keys():
+        return render_template(
+            'coverage_search.html',
+            query=ReleaseQuery(),
+            coverage_stats=None,
+            coverage_type_preservation=None,
+            year_histogram_svg=None,
+        )
+
+    query = ReleaseQuery.from_args(request.args)
+    coverage_stats = get_elastic_search_coverage(query)
+    if coverage_stats['total'] > 1:
+        year_histogram = get_elastic_preservation_by_year(query)
+        year_histogram_svg = preservation_by_year_histogram(year_histogram).render_data_uri()
+        coverage_type_preservation = get_elastic_preservation_by_type(query)
+    else:
+        year_histogram_svg = None
+        coverage_type_preservation = None
+    return render_template(
+        'coverage_search.html',
+        query=query,
+        coverage_stats=coverage_stats,
+        coverage_type_preservation=coverage_type_preservation,
+        year_histogram_svg=year_histogram_svg,
+    )
+
 def get_changelog_stats():
     stats = {}
     latest_changelog = api.get_changelog(limit=1)[0]
diff --git a/python/fatcat_web/search.py b/python/fatcat_web/search.py
index 7ae7e73b..3ba6fdb2 100644
--- a/python/fatcat_web/search.py
+++ b/python/fatcat_web/search.py
@@ -366,6 +366,42 @@ def get_elastic_entity_stats() -> dict:
 
     return stats
 
+def get_elastic_search_coverage(query: ReleaseQuery) -> dict:
+
+    search = Search(using=app.es_client, index=app.config['ELASTICSEARCH_RELEASE_INDEX'])
+    search = search.query(
+        "query_string",
+        query=query.q,
+        default_operator="AND",
+        analyze_wildcard=True,
+        allow_leading_wildcard=False,
+        lenient=True,
+        fields=["biblio"],
+    )
+    search.aggs.bucket(
+        'preservation',
+        'terms',
+        field='preservation',
+        missing='_unknown',
+    )
+
+    search = search[:0]
+
+    search = search.params(request_cache=True)
+    resp = wrap_es_execution(search)
+
+    preservation_bucket = agg_to_dict(resp.aggregations.preservation)
+    preservation_bucket['total'] = resp.hits.total
+    for k in ('bright', 'dark', 'shadows_only', 'none'):
+        if not k in preservation_bucket:
+            preservation_bucket[k] = 0
+    stats = {
+        'total': resp.hits.total,
+        'preservation': preservation_bucket,
+    }
+
+    return stats
+
 def get_elastic_container_stats(ident, issnl=None):
     """
     Returns dict:
diff --git a/python/fatcat_web/templates/container_view.html b/python/fatcat_web/templates/container_view.html
index 785ad1ee..8b4ddeb9 100644
--- a/python/fatcat_web/templates/container_view.html
+++ b/python/fatcat_web/templates/container_view.html
@@ -86,7 +86,7 @@
             {% else %}
               <code>{{ type_row }}</code>
             {% endif %}
-          <td class="three wide right aligned">{{ container._stats.release_type[type_row] }}
+          <td class="three wide right aligned">{{ "{:,}".format(container._stats.release_type[type_row]) }}
         {% endfor %}
       </tbody>
     </table>
diff --git a/python/fatcat_web/templates/container_view_coverage.html b/python/fatcat_web/templates/container_view_coverage.html
index fd173cd4..5ec31e73 100644
--- a/python/fatcat_web/templates/container_view_coverage.html
+++ b/python/fatcat_web/templates/container_view_coverage.html
@@ -57,7 +57,7 @@
       {% for type_row in container._type_preservation %}
       <tr>
         <td class="two wide">{{ type_row.release_type }}
-        <td class="two wide right aligned">{{ type_row.total }}
+        <td class="two wide right aligned">{{ "{:,}".format(type_row.total) }}
         <td class="twelve wide">{{ entity_macros.preservation_bar(type_row) }}
       {% endfor %}
     </tbody>
diff --git a/python/fatcat_web/templates/coverage_search.html b/python/fatcat_web/templates/coverage_search.html
new file mode 100644
index 00000000..c730ef9d
--- /dev/null
+++ b/python/fatcat_web/templates/coverage_search.html
@@ -0,0 +1,81 @@
+{% import "entity_macros.html" as entity_macros %}
+{% extends "base.html" %}
+
+{% block title %}
+{% if query.q %}
+  Search: {{ query.q }}
+{% else %}
+  Coverage Search
+{% endif %}
+{% endblock %}
+
+{% block fullmain %}
+
+<div class="ui vertical stripe segment" style="background-color: #EEE; padding-top: 4.5em;">
+  <div class="ui container text">
+    <h1>Preservation Coverage Visualizer</h1>
+    <form class="" role="search" action="/coverage/search" method="get">
+      <div class="ui form">
+        <div class="ui action input huge fluid">
+          <input type="text" placeholder="Query..." name="q" value="{% if query.q %}{{ query.q }}{% endif %}" aria-label="visualize preservation coverage">
+          <button class="ui primary button">Search</button>
+        </div>
+        <br>Can also search for <b><a href="/release/search?q={{ query.q or "" }}">releases</a></b> (eg, individual papers) or <b><a href="/container/search?q={{ query.q or "" }}">containers</a></b> (eg, journals).
+      </div>
+    </form>
+  </div>
+</div>
+
+<div class="ui container" style="margin-top: 2em;">
+
+{% if coverage_stats != None %}
+<div class="ui centered grid">
+  <div class="row">
+    <div class="twelve wide column">
+      <div class="ui large horizontal statistic">
+        <div class="value">{{ "{:,}".format(coverage_stats.total) }}</div>
+        <div class="label" style="text-transform: none;">Known Releases</div>
+      </div>
+      {% if coverage_stats.total >= 1 %}
+        {{ entity_macros.preservation_bar(coverage_stats.preservation, extra_class="large") }}
+        {{ entity_macros.preservation_table(coverage_stats.preservation) }}
+      {% endif %}
+    </div>
+  </div>
+</div>
+{% endif %}
+
+{% if year_histogram_svg != None %}
+  <br><br>
+  <h2>Perpetual Access Coverage by Year</h2>
+
+  <figure style="margin: 0 0 0 0;">
+    <embed type="image/svg+xml" src="{{ year_histogram_svg|safe }}" />
+  </figure>
+
+{% endif %}
+
+{% if coverage_type_preservation != None %}
+  <br><br>
+  <h2>Perpetual Access Coverage by Release Type</h2>
+  <table class="ui table">
+    <thead>
+      <tr>
+        <th>Release Type
+        <th class="right aligned">Total Count
+        <th>Coverage
+    </thead>
+    <tbody>
+      {% for type_row in coverage_type_preservation %}
+      <tr>
+        <td class="two wide">{{ type_row.release_type }}
+        <td class="two wide right aligned">{{ "{:,}".format(type_row.total) }}
+        <td class="twelve wide">{{ entity_macros.preservation_bar(type_row) }}
+      {% endfor %}
+    </tbody>
+  </table>
+{% endif %}
+
+</div>
+{% endblock %}
+