solid-panes/lib/trip/tripPane.js

Solid-compatible Panes: applets and views for the mashlib and databrowser

"use strict";

/*   Trip Pane
 **
 ** This pane deals with trips themselves and also
 ** will look at transactions organized by trip.
 **
 **  This outline pane allows a user to interact with a transaction
 **  downloaded from a bank statement, annotting it with classes and comments,
 **  trips, etc
 */
var UI = require('solid-ui');

var $rdf = require('rdflib');

var ns = UI.ns;
module.exports = {
  icon: UI.icons.iconBase + 'noun_62007.svg',
  name: 'travel expenses',
  audience: [ns.solid('PowerUser')],
  // Does the subject deserve this pane?
  label: function label(subject, context) {
    var kb = context.session.store;
    var t = kb.findTypeURIs(subject); // if (t['http://www.w3.org/2000/10/swap/pim/qif#Transaction']) return "$$";
    // if(kb.any(subject, UI.ns.qu('amount'))) return "$$$"; // In case schema not picked up

    if (UI.ns.qu('Transaction') in kb.findSuperClassesNT(subject)) {
      return 'by Trip';
    }

    if (t['http://www.w3.org/ns/pim/trip#Trip']) return 'Trip $';
    return null; // No under other circumstances (while testing at least!)
  },
  render: function render(subject, context) {
    var myDocument = context.dom;
    var kb = context.store;
    var ns = UI.ns;
    var CAL = $rdf.Namespace('http://www.w3.org/2002/12/cal/ical#');
    var TRIP = $rdf.Namespace('http://www.w3.org/ns/pim/trip#');
    var div = myDocument.createElement('div');
    div.setAttribute('class', 'transactionPane');
    div.innerHTML = '<h2>Trip transactions</h2>';

    var complain = function complain(message, style) {
      if (style === undefined) style = 'color: grey';
      var pre = myDocument.createElement('pre');
      pre.setAttribute('style', style);
      div.appendChild(pre);
      pre.appendChild(myDocument.createTextNode(message));
    }; // //////////////////////////////////////////////////////////////////////////////
    //
    //   Body of trip pane


    var t = kb.findTypeURIs(subject); // var me = UI.authn.currentUser()
    //      Function: Render a single trip

    var renderTrip = function renderTrip(subject, thisDiv) {
      var query = new $rdf.Query(UI.utils.label(subject));
      var vars = ['date', 'transaction', 'comment', 'type', 'in_USD'];
      var v = {};
      vars.map(function (x) {
        query.vars.push(v[x] = $rdf.variable(x));
      }); // Only used by UI

      query.pat.add(v.transaction, TRIP('trip'), subject);
      var opt = kb.formula();
      opt.add(v.transaction, ns.rdf('type'), v.type); // Issue: this will get stored supertypes too

      query.pat.optional.push(opt);
      query.pat.add(v.transaction, UI.ns.qu('date'), v.date);
      opt.add(v.transaction, ns.rdfs('comment'), v.comment);
      query.pat.optional.push(opt); // opt = kb.formula();

      query.pat.add(v.transaction, UI.ns.qu('in_USD'), v.in_USD); // query.pat.optional.push(opt);

      var calculations = function calculations() {
        var total = {};
        var trans = kb.each(undefined, TRIP('trip'), subject); // complain("@@ Number of transactions in this trip: " + trans.length);

        trans.map(function (t) {
          var ty = kb.the(t, ns.rdf('type')); // complain(" -- one trans: "+t.uri + ' -> '+kb.any(t, UI.ns.qu('in_USD')));

          if (!ty) ty = UI.ns.qu('ErrorNoType');

          if (ty && ty.uri) {
            var tyuri = ty.uri;
            if (!total[tyuri]) total[tyuri] = 0.0;
            var lit = kb.any(t, UI.ns.qu('in_USD'));

            if (!lit) {
              complain('    @@ No amount in USD: ' + lit + ' for ' + t);
            }

            if (lit) {
              total[tyuri] = total[tyuri] + parseFloat(lit.value); // complain('      Trans type ='+ty+'; in_USD "' + lit
              //       +'; total[tyuri] = '+total[tyuri]+';')
            }
          }
        });
        var str = '';
        var types = 0;
        var grandTotal = 0.0;

        for (var uri in total) {
          str += UI.utils.label(kb.sym(uri)) + ': ' + total[uri] + '; ';
          types++;
          grandTotal += total[uri];
        }

        complain('Totals of ' + trans.length + ' transactions: ' + str, ''); // @@@@@  yucky -- need 2 col table

        if (types > 1) {
          complain('Overall net: ' + grandTotal, 'text-treatment: bold;');
        }
      };

      var tableDiv = UI.table(myDocument, {
        query: query,
        onDone: calculations
      });
      thisDiv.appendChild(tableDiv);
    }; //          Render the set of trips which have transactions in this class


    if (UI.ns.qu('Transaction') in kb.findSuperClassesNT(subject)) {
      var ts = kb.each(undefined, ns.rdf('type'), subject);
      var triples = [];
      var index = [];

      for (var i = 0; i < ts.length; i++) {
        var trans = ts[i];
        var trip = kb.any(trans, TRIP('trip'));

        if (!trip) {
          triples.push(trans);
        } else {
          if (!(trans in index)) index[trip] = {
            total: 0,
            transactions: []
          };
          var usd = kb.any(trans, UI.ns.qu('in_USD'));
          if (usd) index[trip].total += usd;
          var date = kb.any(trans, UI.ns.qu('date'));
          index[trip.toNT()].transactions.push([date, trans]);
        }
      }
      /*            var byDate = function(a,b) {
                      return new Date(kb.any(a, CAL('dtstart'))) -
                              new Date(kb.any(b, CAL('dtstart')));
                  }
      */


      var list = [];

      for (var h1 in index) {
        var t1 = kb.fromNT(h1);
        list.push([kb.any(t1, CAL('dtstart')), t1]);
      }

      list.sort();

      for (var j = 0; j < list.length; j++) {
        var t2 = list[j][1];
        renderTrip(t2, div);
      } //       Render a single trip

    } else if (t['http://www.w3.org/ns/pim/trip#Trip']) {
      renderTrip(subject, div);
    } // if (!me) complain("You do not have your Web Id set. Set your Web ID to make changes.");


    return div;
  }
}; // ends
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