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Lobbywatch.ch Data Interface Introduction OpenAPI 3.0 GraphQL Examples Example 1: Get data about Branche with Id 1 Example 2: Get all lobbygroups from Branche 1 Response Cross-origin resource sharing (CORS) DB Calls Tables Flat data Aggregated data Relations Search (Entity detection) Fields freigabe_datum anzeige_name *_unix erfasst Special Queries Parlament-Partei Filtering Simple field List Like Limit results Fields select Language Options / Parameters Webservice Calls UID-Register Webservice of Bundesamt für Statistik (BFS) Zefix SOAP webservice (Handelsregister, Zentraler Firmenindex) [DEPRECATED] Zefix REST webservice (Handelsregister, Zentraler Firmenindex) D3 JavaScript Example HTML Code JavaScript Architecture Reference
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Lobbywatch.ch Data Interface

Documentation of the Lobbywatch.ch JSON data interface providing access to the conflict of interests (Interessenbindungen) of Swiss national parliamentarian.

Created date: 20.07.2014
Updated date: 2020-12-13
Document version: 1.2
Document version notes: add OpenAPI 3.0 link
Author: Roland Kurmann
Abbreviation: dataIF
Data interface version: v1
Format: JSON
State: Production

Introduction

The project Lobbywatch.ch maintains a database (DB) of Swiss parliamentarian and their relations to lobby organizations.

This document describes the Lobbywatch.ch data interface (dataIF). This data interface can be used for visualizations, e.g D3.

The data interface is close to the DB model. The data interface is based on the views. The data model is available as 1 page or on 4 pages. Additionally, there is a simplified data model. Usage of this data interface requires knowledge of the DB data model.

Data are provided by a RESTful webservice.

Data are delivered in JSON.

The data interface is written in a generic way from the data model.

All names and keys are always in minor case. Words are separated by _.

OpenAPI 3.0

The data interface description is also available as Lobbywatch Data Interface (dataIF) OpenAPI 3.0 specification.

GraphQL

There is another interface to the Lobbywatch data. Some data are provided as GraphQL. The data of the Lobbywatch GraphQL interace are based on this data interface (dataIF).

Examples

Example 1: Get data about Branche with Id 1

JSON Response:

{
    "success" : true,
    "count" : 1,
    "message" : "1 record(s) found",
    "sql" : "\n      SELECT branche.*\n      FROM v_branche branche\n      WHERE branche.id=:id",
    "source": "branche",
    "build secs": 0.15,
    "data" : {
    "anzeige_name" : "Gesundheit",
    "id" : "1",
    "name" : "Gesundheit",
    "kommission_id" : "1",
    "beschreibung" : "Akteure im Gesundheitswesen",
    "angaben" : "Wie werden die ca. 60 Milliarden jährlich aufgeteilt",
    "farbcode" : "blue",
    "symbol_rel" : null,
    "symbol_klein_rel" : "branche_symbole\/default_branche.png",
    "symbol_dateiname_wo_ext" : null,
    "symbol_dateierweiterung" : null,
    "symbol_dateiname" : null,
    "symbol_mime_type" : null,
    "kommission" : "Kommissionen für soziale Sicherheit und Gesundheit (SGK)",
    "symbol_path" : "\/test\/files\/branche_symbole\/default_branche.png",
    "symbol_url" : "http:\/\/lobbywatch.ch\/\/test\/files\/branche_symbole\/default_branche.png"
    }
}

Example 2: Get all lobbygroups from Branche 1

JSON Response:

{
    "success" : true,
    "count" : 13,
    "message" : "13 record(s) found",
    "sql" : "\n    SELECT interessengruppe.*\n    FROM v_interessengruppe interessengruppe\n    WHERE 1  AND interessengruppe.branche_id = 1",
    "source": "interessengruppe",
    "build secs": 0.18,
    "data" : [
        {
        "anzeige_name" : "Pharma",
        "id" : "1",
        "name" : "Pharma",
        "branche_id" : "1",
        "beschreibung" : "Medikamentenforschung, Medikamentenvertrieb, Pharmafirmen, Apotheken",
        "branche" : "Gesundheit",
        "kommission_id" : "1",
        "kommission" : "Kommissionen für soziale Sicherheit und Gesundheit (SGK)"
        },
        {
        "anzeige_name" : "Krankenkassen",
        "id" : "2",
        "name" : "Krankenkassen",
        "branche_id" : "1",
        "beschreibung" : "Krankenkassen, Dachorganisationen KK, Unterorganisationen KK",
        "branche" : "Gesundheit",
        "kommission_id" : "1",
        "kommission" : "Kommissionen für soziale Sicherheit und Gesundheit (SGK)"
        },
        {"__comment" : "…"},
        {
        "anzeige_name" : "Dienstleistungen",
        "id" : "88",
        "name" : "Dienstleistungen",
        "branche_id" : "1",
        "beschreibung" : "Firmen mit Dienstleistungen explizit für das Gesundheitswesen, z.B. IT-Lösungen.",
        "branche" : "Gesundheit",
        "kommission_id" : "1",
        "kommission" : "Kommissionen für soziale Sicherheit und Gesundheit (SGK)"
        } ]
}

Response

A data interface call returns always a JSON response of the same base structure.

{
    "success" : false,
    "count" : 0,
    "message" : "",
    "sql" : "",
    "source": "",
    "build secs": 0,
    "data" : null
}

Description:

key value description

success

true or false

True if call is successful

count

int >= 0

Number of records, 0 in case of errors, never null

message

string

Messages, e.g. error messages, never null

sql

string

SQL used in this call, never null

source

DB data source

Name of view, the prefix v_ in the DB is omitted

build secs

float

Time in seconds required to process the request

data

array

Data of the call, data can be nested, null in case of errors or if nothing is found

Cross-origin resource sharing (CORS)

Browsers apply by default the same-origin policy for AJAX calls (XMLHttpRequest). Thus, it is by default not possible to use cross-domain webservices in Javascript.

Cross-origin resource sharing (CORS) is a mechanism that allows restricted resources on a web page to be requested from another domain outside the domain from which the resource originated.

If you want to access the Lobbywatch data interface by AJAX/XHR calls, you need to add a CORS header.

The HTTP response header to set for dataIF JSON webservice calls:

Access-Control-Allow-Origin: https://cms.lobbywatch.ch

Please do not abuse the Lobbywatch Data Interface.

DB Calls

The calls to the data interface are following a base structure.

Description of the example call path:

  • https://cms.lobbywatch.ch: Server name

  • de: Language of the query, currently only de

  • data/interface: Base path of the data interface

  • v1: Version of the interface, currently only v1

  • json: Type of the interface, currently only json

  • table: Type of query, currently table or relation or search

  • parlamentarier: Name of the DB table

  • flat: Type of response data structure, currently flat or aggregated

  • id: Specifies query by id

  • 1: Id to use

  • ?parameter1=value1&parameter2=value2:, e.g ?lang=fr

Tables

Lobbywatch.ch tables can be queried in several ways. The interfaces access the corresponding views of the tables. The views enrich the tables and make their usage more convenient.

Flat data

Query for a list of records (see filtering below):
https://cms.lobbywatch.ch/de/data/interface/v1/json/table/$table/flat/list

Query for a list of records by name (see filtering below):
https://cms.lobbywatch.ch/de/data/interface/v1/json/table/$table/flat/list/%

where $table is one of the following tables:

  • branche: Branche

  • interessenbindung: Interessenbindung

  • interessenbindung_jahr: Interessenbindungsvergütung

  • interessengruppe: Lobbygruppe

  • in_kommission: In Kommission

  • kommission: Kommission

  • mandat: Mandat

  • mandat_jahr: Mandatsvergütung

  • organisation: Organisation

  • organisation_beziehung: Organisation Beziehung

  • organisation_jahr: Organisationsjahr

  • parlamentarier: Parlamentarier

  • parlamentarier_transparenz: Parlamentarier

  • partei: Partei

  • fraktion: Fraktion

  • rat: Rat

  • kanton: Kanton

  • kanton_jahr: Kantonjahr

  • wissensartikel_link: Lobbypediaverknüpfung

  • zutrittsberechtigung: Zutrittsberechtigter

% is the placeholder for query data, e.g. the id or the name

Aggregated data

Query for one aggreaged record by id:

where $table is one of the following tables:

  • parlamentarier: Parlamentarier

  • zutrittsberechtigung: Zutrittsberechtigte

  • organisation: Organisationen

  • interessengruppe: Lobbygruppen

  • branchen: Branchen

% is the placeholder for query data, e.g. the id

Relations

Query relations (see filtering below):

where $relation is one of the following views:

  • in_kommission_liste: Kommissionen für Parlamenterier

  • interessenbindung_liste: Interessenbindung eines Parlamenteriers

  • interessenbindung_liste_indirekt: Indirekte Interessenbindungen eines Parlamenteriers

  • zutrittsberechtigung_mandate: Mandate einer Zutrittsberechtigung (INNER JOIN)

  • zutrittsberechtigung_mit_mandaten: Mandate einer Zutrittsberechtigung (LFET JOIN)

  • zutrittsberechtigung_mit_mandaten_indirekt: Indirekte Mandate einer Zutrittsberechtigung (INNER JOIN)

  • organisation_parlamentarier: Parlamenterier, die eine Interessenbindung zu dieser Organisation haben

  • organisation_parlamentarier_indirekt: Parlamenterier, die eine indirekte Interessenbindung zu dieser Organisation haben

  • organisation_parlamentarier_beide: Parlamenterier, die eine Zutrittsberechtiung mit Mandant oder Interessenbindung zu dieser Organisation haben

  • organisation_parlamentarier_beide_indirekt: Parlamenterier, die eine indirekte Interessenbindung oder indirekte Zutrittsberechtiung mit Mandat zu dieser Organisation haben

  • organisation_beziehung_arbeitet_fuer: Organisationen für welche eine PR-Agentur arbeitet.

  • organisation_beziehung_mitglied_von: Organisationen, in welcher eine Organisation Mitglied ist

  • organisation_beziehung_muttergesellschaft: Muttergesellschaften

  • organisation_parlamentarier: Parlamenterier, die eine Interessenbindung zu dieser Organisation haben

  • organisation_parlamentarier_indirekt: Parlamenterier, die eine indirekte Interessenbindung zu dieser Organisation haben

  • organisation_parlamentarier_beide: Parlamenterier, die eine Zutrittsberechtiung mit Mandant oder Interessenbindung zu dieser Organisation haben

  • organisation_parlamentarier_beide_indirekt: Parlamenterier, die eine indirekte Interessenbindung oder indirekte Zutrittsberechtiung mit Mandat zu dieser Organisation haben

  • organisation_beziehung_auftraggeber_fuer: Organisationen, die eine PR-Firma beauftragt haben

  • organisation_beziehung_mitglieder: Mitgliedsorganisationen

  • organisation_beziehung_tochtergesellschaften: Tochtergesellschaften

Search (Entity detection)

Search for entities having a certain string:

% is the placeholder for search string, e.g. a name such as Novartis

Result format:

  • id: ID of the entity

  • table_name: Table name of the entity, aka technical name

  • page: Entity name to construct an URL path, e.g. [page]/[id]

  • name: Translated name of the entity

  • table_weight: Weight of the table. This is used for sorting. Value can be ignored. It is just for completeness added.

  • weight: Weight within the same table, e.g. historised data have a higher weight and come at the end. Value can be ignored. It is just for completeness added.

Paramters:

  • tables: Comma separated list of table_name to query. Available tables: parlamentarier, zutrittsberechtigung, branche, interessengruppe, kommission, organisation, partei. Default is all tables.

Example:

Result:

{

    "success": true,
    "count": 5,
    "message": "5 record(s) found ",
    "sql": "\n      SELECT id, page, table_name, name_de, table_weight, weight\n      -- , freigabe_datum, bis\n      FROM v_search_table\n      WHERE\n      search_keywords_de LIKE :str  AND (table_name='parlamentarier' OR table_name='zutrittsberechtigung' OR freigabe_datum <= NOW())\n    ORDER BY table_weight, weight LIMIT 5 ;",
    "source": null,
    "build secs": 0.08,
    "data":
    [
        {
            "id": "245",
            "page": "parlamentarier",
            "table_name": "parlamentarier",
            "name": "Theiler, Georges, SR, FDP, LU",
            "table_weight": "-20",
            "weight": "-43"

        },
        {
            "id": "48",
            "page": "zutrittsberechtigter",
            "table_name": "zutrittsberechtigung",
            "name": "Spicher, Georges",
            "table_weight": "-15",
            "weight": "-22"

        },
        {
            "id": "1",
            "page": "branche",
            "table_name": "branche",
            "name": "Gesundheit",
            "table_weight": "-10",
            "weight": "0"

        },
        {
            "id": "53",
            "page": "lobbygruppe",
            "table_name": "interessengruppe",
            "name": "Arbeitnehmerorganisationen",
            "table_weight": "-5",
            "weight": "0"

        },
        {
            "id": "138",
            "page": "lobbygruppe",
            "table_name": "interessengruppe",
            "name": "Architektur",
            "table_weight": "-5",
            "weight": "0"
        }
    ]
}

Fields

Informations about fields

freigabe_datum

The freigabe_datum meta field gives the state of the record.

  • null: not yet public, only listed for completness

  • < now: published at the freigabe_datum

  • > now: is public after freigabe_datum

anzeige_name

The anzeige_name is a formatted name of the record. This name is localized depending on the languge, see in chapter language.

*_unix

The fields ending with *_unix contain the date in the UNIX date format, seconds since 01.01.1970.

erfasst

If erfasst is false means the Parlamentarier, is not entered. This field is set to false, if it is known, that the Parlamentarier will not be available anymore for the parliament in the next election. The value erfasst is only fully reliable if the freigabe_datum is set.

Special Queries

Special queries (see filtering below):

Parlament-Partei

Parteien mit den Parlamentarieren und deren Anzahl Verbindungen.

Example Name:

https://cms.lobbywatch.ch/de/data/interface/v1/json/query/parlament-partei/aggregated/list?limit=10&select_fields=parlamentarier.anzeige_name

Example number of interessenbindungen of parlamentarier (language dependent):

https://cms.lobbywatch.ch/de/data/interface/v1/json/query/parlament-partei/aggregated/list?lang=fr&limit=none&select_fields=parlamentarier.anzeige_name,parlamentarier.anzahl_interessenbindung_tief,parlamentarier.anzahl_interessenbindung_mittel,parlamentarier.anzahl_interessenbindung_hoch,parlamentarier.kommissionen_abkuerzung_de,parlamentarier.kommissionen_abkuerzung_fr,parlamentarier.rat_de,parlamentarier.rat_fr,parlamentarier.freigabe_datum

Filtering

Records of query calls can be filtered by one or several fields by appending URL parameters.

Filters work for all available fields in the base query view.

Format of filters:

Simple field

filter_$field=$value

where filter_ is the prefix, $field is the name of the field and $value is the value.

Example:

filter_branche_id=1

List

filter_${field}_list=$value

where filter_ is the prefix, _list ist the suffix, $field is the name of the field and $value is a comma separated list of values.

Example:

filter_branche_id_list=1,2,3

Filters work for all available fields in the base query view.

Like

filter_${field}_like=$value

where filter_ is the prefix, like ist the suffix, $field is the name of the field and $value is filter value which can contain % (matches any number of characters, even zero characters) or (matches exactly one character).

Example:

filter_kommissionen=%SGK%

Filters work for all available fields in the base query view.

Limit results

The number of results can be limited. The default is 10.

limit=25

The parameter `limit`limits the number of results to the number.

limit=none

limit=none excludes the LIMIT SQL statement.

Fields select

The fields to be returned can be given in a parameter comma separeted list. The list must not contain any spaces. The id is always included.

select_fields=nachname
select_fields=nachname,vorname
select_fields=parlamentarier.nachname,parlamentarier.vorname
select_fields=parlamentarier.*
select_fields=name_de,name_fr
select_fields=*

Note: For a correct working, always the fields of all languages must be selected, e.g name_de and name_fr, sometimes the german field name is without suffix, e.g name.

Language

Data are only returned for one language. If the language parameter lang is not set, German is the default.

Example:

?lang=fr
?lang=de

Options / Parameters

Queries can be modified by several options. Some options are only available if permission is granted.

  • includeUnpublished=1 (default): Show unpublished data? (Requires advanced permission)

  • includeInactive=0 (default): Show historised data, e.g. retired parlamentarians? (Requires advanced permission)

  • includeConfidentialData=0 (default): Show confidential data? (Requires advanced permission)

  • includeMetaData=0 (default): Show meta data, e.g. from the workflow

Webservice Calls

The Lobbywatch Data Interface provides proxy webservice calls to third-party webservices. Due to the same-origin policy in browsers it is not possible to directly call third-party webservices with AJAX or SOAP.

The webservice interface for calling third-party webservices is similar to the Lobbywatch DB interface.

The base webservice call for querying one record by uid:

https://cms.lobbywatch.ch/de/data/interface/v1/json/ws/$ws/flat/uid/%

where $ws is one of the following webservices:

  • uid: Calling zefix-rest and if not found, call uid-bfs

  • uid-bfs: UID-Register webservice of Bundesamt für Statistik (BfS)

  • zefix-rest: Zefix REST webservice (Handelsregister, Zentraler Firmenindex)

  • zefix: Zefix SOAP webservice (Handelsregister, Zentraler Firmenindex) (DEPRECATED)

% is the placeholder for the UID, either a 9-digit number, CHE000000000 string or a CHE-000.000.000 string

UID-Register Webservice of Bundesamt für Statistik (BFS)

The UID can be given as 9-digit number, CHE000000000 string or a CHE-000.000.000 string.

The JSON response is given in the same base structure as for the DB interface.

JSON Response:

{
    "success": true,
    "count": 12,
    "message": "",
    "sql": "uid=107810911 | wsdl=https://www.uid-wse.admin.ch/V3.0/PublicServices.svc?wsdl",
    "source": "uid",
    "build secs": 1.11,
    "data":
    {
        "uid": "CHE-107.810.911",
        "uid_zahl": "107810911",
        "name_de": "Schweizerischer Nationalfonds zur Förderung der wissenschaftlichen Forschung",
        "rechtsform_handelsregister": "0110",
        "rechtsform": "Stiftung",
        "adresse_strasse": "Wildhainweg 3",
        "adresse_zusatz": null,
        "ort": "Bern",
        "adresse_plz": 3012,
        "land_iso2": "CH",
        "land_id": "191",
        "register_kanton": "BE"
    }
}

Reference:

Zefix SOAP webservice (Handelsregister, Zentraler Firmenindex) [DEPRECATED]

The UID can be given as 9-digit number, CHE000000000 string or a CHE-000.000.000 string.

The JSON response is given in the same base structure as for the DB interface.

The Zefix SOAP webservice is not public. The access is protected by an access key. It is has to be added as parameter access_key.

JSON Response:

{
    "success": true,
    "count": 1,
    "message": "",
    "sql": "uid=107810911 | wsdl=https://cms.lobbywatch.ch/sites/lobbywatch.ch/app/common/ZefixService16.wsdl",
    "source": "zefix",
    "build secs": 0.48,
    "data":
    {
        "uid": "CHE-107.810.911",
        "uid_zahl": 107810911,
        "alte_hr_id": "CH03570104919",
        "name": "Schweizerischer Nationalfonds zur Förderung der wissenschaftlichen Forschung",
        "name_de": "Schweizerischer Nationalfonds zur Förderung der wissenschaftlichen Forschung",
        "rechtsform_handelsregister": "0110",
        "rechtsform": "Stiftung",
        "rechtsform_zefix": 7,
        "adresse_strasse": "Wildhainweg 3",
        "adresse_zusatz": null,
        "ort": "Bern",
        "adresse_plz": 3012,
        "land_iso2": "CH",
        "land_id": "191",
        "handelsregister_url": "https://be.chregister.ch/cr-portal/auszug/zefix.xhtml?uid=107810911&lang=de",
        "handelsregister_ws_url": "http://ch.powernet.ch/webservices/tnet/HRG/HRG.asmx/getHRG?chnr=CH03570104919&amt=036&toBeModified=0&validOnly=0&lang=1&sort=0",
        "zweck": "Förderung der wissenschaftlichen Forschung in der Schweiz usw.",
        "register_kanton": "BE"
    }
}

Reference:

Zefix REST webservice (Handelsregister, Zentraler Firmenindex)

The UID can be given as 9-digit number, CHE000000000 string or a CHE-000.000.000 string.

The JSON response is given in the same base structure as for the DB interface.

The Zefix REST webservice is not public. The access is protected by an access key. It is has to be added as parameter access_key.

JSON Response:

{
    "success": true,
    "count": 1,
    "message": "",
    "sql": "uid=107810911",
    "source": "zefix-rest",
    "build secs": "0.21",
    "data": {
        "uid": "CHE-107.810.911",
        "uid_zahl": "CHE107810911",
        "alte_hr_id": "CH03570104919",
        "name": "Schweizerischer Nationalfonds zur Förderung der wissenschaftlichen Forschung",
        "name_de": "Schweizerischer Nationalfonds zur Förderung der wissenschaftlichen Forschung",
        "rechtsform_handelsregister": "0110",
        "rechtsform": "Stiftung",
        "rechtsform_zefix": 7,
        "adresse_strasse": "Wildhainweg 3",
        "adresse_zusatz": null,
        "ort": "Bern",
        "adresse_plz": 3012,
        "land_iso2": "CH",
        "land_id": "191",
        "handelsregister_url": "https://be.chregister.ch/cr-portal/auszug/auszug.xhtml?uid=CHE-107.810.911",
        "handelsregister_ws_url": null,
        "zweck": "Die Stiftung fördert die wissenschaftliche Forschung in der Schweiz. Sie fördert ihre internationale Wettbewerbsfähigkeit und Vernetzung und ihre Problemlösungskapazität. Sie schenkt der Förderung des wissenschaftlichen Nachwuchses besondere Aufmerksamkeit.",
        "register_kanton": "BE"
    }
}

Reference:

D3 JavaScript Example

D3 Example which shows a visulization of published Parlamentarier in function of time.

HTML Code

<div id="d3-parlamentarier-erfasst-graphic" class="parlamentarier-erfasst"/>
<script>jQuery(document).ready(function() {
  parlamentarierErfasst("#d3-parlamentarier-erfasst-graphic");
});</script>

JavaScript

function parlamentarierErfasst(graphicIdName) {

  // Template: http://bl.ocks.org/mbostock/3883245
  var margin = {top: 20, right: 20, bottom: 30, left: 50},
      width = jQuery(graphicIdName).width() - margin.left - margin.right,
      height = 250 - margin.top - margin.bottom;

  // 2014-09-16 00:00:00
  var parseDate = d3.time.format("%Y-%m-%d %X").parse;

  var startDate = parseDate('2014-01-01 00:00:00');

  var x = d3.time.scale()
      .range([0, width]);

  var y = d3.scale.linear()
      .range([height, 0]);

  var xAxis = d3.svg.axis()
      .scale(x)
      .orient("bottom")
      .ticks(d3.time.year, 1)
      .tickFormat(d3.time.format("%Y"));

  var yAxis = d3.svg.axis()
      .scale(y)
      .orient("left")
      .tickValues([50, 100, 150, 200, 246]);

  var line = d3.svg.line()
      .x(function(d) { return x(d.date); })
      .y(function(d) { return y(d.released); })
      .interpolate("step-after");

  var svg = d3.select(graphicIdName).append("svg")
      .attr("width", width + margin.left + margin.right)
      .attr("height", height + margin.top + margin.bottom)
    .append("g")
      .attr("transform", "translate(" + margin.left + "," + margin.top + ")");

  d3.json("https://cms.lobbywatch.ch/de/data/interface/v1/json/table/parlamentarier/flat/list?limit=600&select_fields=freigabe_datum,im_rat_bis", function(error, rawdata) {
    if (error) throw error;

    var nesteddata = d3.nest()
      .key(function(d) { return d.freigabe_datum; })
      .sortKeys(d3.ascending)
      .rollup(function(leaves) { var nReleased = 0; leaves.forEach(function(d) { if (d.im_rat_bis == null) {nReleased++}}); return nReleased; })
      .entries(rawdata.data);

    var numReleased = 0;
    nesteddata.forEach(function(d) {
      d.date = parseDate(d.key);
      if (d.date != null) {
        numReleased += +d.values;
      }
      d.released = numReleased;
    });

    var data = nesteddata;

    // Filter unreleased parlamentarier
    if (data[data.length - 1].date == null) {
      data.pop();
    }

    data.unshift({date: startDate, released: 0});
    data.push({date: Date.now(), released: numReleased});

    var targetData = [{date: startDate, released: 246}, {date: Date.now(), released: 246}]

    x.domain(d3.extent(data, function(d) { return d.date; }));
    y.domain([0, 246]);

    svg.append("g")
        .attr("class", "x axis")
        .attr("transform", "translate(0," + height + ")")
        .call(xAxis);

    svg.append("g")
        .attr("class", "y axis")
        .call(yAxis)
      .append("text")
        .attr("transform", "rotate(-90)")
        .attr("y", 6)
        .attr("dy", ".71em")
        .style("text-anchor", "end")
        .text("");

    svg.append("path")
        .datum(data)
        .attr("class", "line")
        .attr("d", line);

    svg.append("path")
        .datum(targetData)
        .attr("class", "line")
        .style("stroke-dasharray", ("3, 3"))
        .attr("d", line);

  });
}

Architecture

The data interface is written as Drupal 7 module. Paths are mangaged by the Drupal menu module (hook_menu).

The source of the data interface module is available on GitHub https://github.com/lobbywatch/lobbywatch/tree/master/drupal/lobbywatch/lobbywatch_data