caves->wallets at parse time

templates/walletsall.html

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+{% extends "base.html" %}
+
+{% block title %}All Survey scans folders (wallets){% endblock %}
+
+{% block content %}
+
+<h3>All Survey scans folders (wallets)</h3>
+<p>Each wallet contains the scanned original in-cave survey notes and sketches of 
+plans and elevations. It also contains scans of centre-line survex output on which
+hand-drawn passage sections are drawn. These hand-drawn passages will eventually be 
+traced to produce Tunnel or Therion drawings and eventually the final complete cave survey.
+<p>Cave identifiers in italics are derived from the current setting in the metdata JSON file,
+otherwise they come from *ref statements in survex files as of the most recent data import.
+<p>See also wallets
+<ul>
+<li>per cave, e.g. <a href="/cave/scans/1623-204">1623-204</a>, <a href="/cave/scans/1626-359">1626-359</a>, <a href="/cave/scans/1623-290">1623-290</a>, <a href="/cave/scans/1623-291">1623-291</a>, <a href="/cave/scans/1623-258">1623-258</a>, <a href="/cave/scans/1623-264">1623-264</a>
+<li>per person, e.g. <a href="/wallets/person/Wookey">Wookey</a>, <a href="/wallets/person/ChrisDensham">Chris Densham</a>, <a href="/wallets/person/MartinGreen">Martin Green</a>, <a href="/wallets/person/AndrewAtkinson">Andrew Atkinson</a>,  <a href="/wallets/person/JulianTodd">Julian Todd</a>, <a href="/wallets/person/Frank Tully">FrankTully</a>,  <a href="/wallets/person/DaveLoeffler">Dave Loeffler</a>, <a href="/wallets/person/BeckaLawson">Becka</a>
+<li>per year,
+{% for otherexpedition in expeditions %}
+  {% if otherexpedition == expedition %}
+  | <b>{{otherexpedition.year}}</b>
+  {% else %}
+  | <a <a href="/wallets/year/{{ otherexpedition.year }}">{{otherexpedition.year}}</a>
+  {% endif %}
+{% endfor %}</ul>
+
+<!-- This should all be restructured to use .prefetch_related() and .select_related()
+see https://docs.djangoproject.com/en/dev/ref/models/querysets/#prefetch-related
+-->
+
+<table width=95%>
+<tr><th>Scans folder</th><th>Files</th><th>Survex blocks</th><th>Cave</th></tr>
+{% for wallet in manywallets %}
+  <tr>
+    <td style="padding:2px"><a href="{{wallet.get_absolute_url}}">{{wallet.walletname}}</a></td>
+    <td align="right" style="padding:2px">{{wallet.singlescan_set.all|length}}</td>
+    <td style="padding:2px">
+    {% for survexblock in wallet.survexblock_set.all %}
+      <a href="{% url "svx" survexblock.survexfile.path %}">{{survexblock}}</a>
+    {% endfor %}
+    </td>
+
+    <td style="padding:2px; font-family: monospace; font-size: 90%;">
+    {% for c  in wallet.caves.all %}
+        <a href="/cave/scans/{{c.slug}}">{{c}}</a>
+    {% endfor %}
+    </td>
+
+  
+
+  </tr>
+{% endfor %}
+</table>
+
+{% endblock %}