From fba4474b5e2e7c069bb9158089ecb873ff8e6c5c Mon Sep 17 00:00:00 2001
From: Pjotr Prins
Date: Sun, 12 Jul 2020 11:08:27 +0100
Subject: CounterDB

---
 bh20simplewebuploader/main.py             | 23 +++++++++++++++++++++++
 bh20simplewebuploader/static/main.js      |  4 ++++
 bh20simplewebuploader/templates/demo.html | 14 ++++++++++++++
 3 files changed, 41 insertions(+)

diff --git a/bh20simplewebuploader/main.py b/bh20simplewebuploader/main.py
index 8f9b99b..77e345b 100644
--- a/bh20simplewebuploader/main.py
+++ b/bh20simplewebuploader/main.py
@@ -567,11 +567,34 @@ baseURL='http://sparql.genenetwork.org/sparql/'
 
 @app.route('/api/getCount', methods=['GET'])
 def getCount():
+    """
+    Get sequence counts from Arvados record
+    """
     api = arvados.api(host=ARVADOS_API, token=ANONYMOUS_TOKEN, insecure=True)
     c = api.collections().list(filters=[["owner_uuid", "=", VALIDATED_PROJECT]], limit=1).execute()
 
     return jsonify({'sequences': c["items_available"]})
 
+@app.route('/api/getCountDB', methods=['GET'])
+def getCountDB():
+    """
+    Get sequence counts from Virtuoso DB
+    """
+    query="""
+    PREFIX pubseq: <http://biohackathon.org/bh20-seq-schema#MainSchema/>
+    select (COUNT(distinct ?dataset) as ?num)
+    {
+    ?dataset pubseq:submitter ?id .
+    ?id ?p ?submitter
+    }
+    """
+    payload = {'query': query, 'format': 'json'}
+    r = requests.get(baseURL, params=payload)
+    result = r.json()['results']['bindings']
+    # [{'num': {'type': 'typed-literal', 'datatype': 'http://www.w3.org/2001/XMLSchema#integer', 'value': '1352'}}]
+    # print(result, file=sys.stderr)
+    return jsonify({'sequences': int(result[0]["num"]["value"])})
+
 @app.route('/api/getAllaccessions', methods=['GET'])
 def getAllaccessions():
     query="""SELECT DISTINCT ?fasta ?value WHERE {?fasta ?x[ <http://edamontology.org/data_2091> ?value ]}"""
diff --git a/bh20simplewebuploader/static/main.js b/bh20simplewebuploader/static/main.js
index a9dfc10..751e478 100644
--- a/bh20simplewebuploader/static/main.js
+++ b/bh20simplewebuploader/static/main.js
@@ -89,6 +89,10 @@ let fetchCount = () => {
   fetchAPI("/api/getCount");
 }
 
+let fetchCountDB = () => {
+  fetchAPI("/api/getCountDB");
+}
+
 let fetchSEQCountBySpecimen = () => {
   fetchAPIV2("/api/getSEQCountbySpecimenSource");
 }
diff --git a/bh20simplewebuploader/templates/demo.html b/bh20simplewebuploader/templates/demo.html
index f0645b9..44aded0 100644
--- a/bh20simplewebuploader/templates/demo.html
+++ b/bh20simplewebuploader/templates/demo.html
@@ -5,11 +5,25 @@
     {% include 'banner.html' %}
     {% include 'menu.html' %}
     {% include 'search.html' %}
+      <p>The Virtuoso database contains <span id="CounterDB"></span> public sequences!</p>
     {% include 'demo-run.html' %}
     {% include 'footer.html' %}
 
     <script type="text/javascript">
       let scriptRoot = {{ request.script_root|tojson|safe }}; // examples
+
+      document.addEventListener("DOMContentLoaded", function(){
+          var count = fetch("/api/getCountDB")
+              .then((resp) => resp.json())
+              .then(function (data) {
+                  count = data["sequences"];
+                  console.log(count);
+                  span = document.getElementById("CounterDB");
+                  txt = document.createTextNode(count);
+                  span.appendChild(txt);
+              });
+      });
+
     </script>
   </body>
 
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