some more changes

dbt/models/marts/listings.sql

@@ -0,0 +1,5 @@
+{{ config(materialized='table') }}
+select
+  *
+from
+  {{ ref('stg_listings') }}

dbt/models/staging/__sources.yml

@@ -0,0 +1,6 @@
+version: 2
+
+sources:
+  - name: funda
+    tables:
+      - name: raw_listings

dbt/models/staging/stg_listings.sql

@@ -0,0 +1,53 @@
+with source as (
+  select
+    *
+  from
+    {{ source('funda', 'raw_listings') }}
+),
+flattened_json as (
+  select
+    (data#>>'{globalId}')::int as listing_id,
+    (data#>>'{parentProject,globalId}')::int as parent_id,
+
+    (data#>>'{address,addressTitle}')::varchar as title,
+
+    (data#>>'{tracking,listing_offering_type}')::varchar as offering_type,
+    (data#>>'{tracking,listing_type}')::varchar as listing_type,
+    (data#>>'{tracking,listing_status}')::varchar as listing_status,
+
+    (data#>>'{advertising,targetingOptions,aantalkamers}')::int as rooms,
+    (data#>>'{featuresFastView,energyLabel}')::varchar as energy_label,
+
+    {{ extract_numeric("data#>>'{featuresFastView,livingArea}'") }} as living_area,
+    {{ extract_numeric("data#>>'{featuresFastView,plotArea}'") }} as plot_area,
+
+    (data#>>'{price,numericPrice}')::int as price,
+    (data#>>'{isSoldOrRented}')::boolean as is_sold,
+
+    (data#>>'{advertising,targetingOptions,balkon}')::boolean as has_balcony,
+    (data#>>'{advertising,targetingOptions,tuin}')::boolean as has_garden,
+    (data#>>'{advertising,targetingOptions,parkeergelegenheidopafgeslotenterrein}')::boolean as has_closed_parking,
+    (data#>>'{advertising,targetingOptions,parkeergelegenheidopeigenterrein}')::boolean as has_private_parking,
+
+    (data#>>'{address,country}')::varchar as country,
+    (data#>>'{address,province}')::varchar as province,
+    initcap((data#>>'{advertising,targetingOptions,gemeente}')) as municipality,
+    (data#>>'{address,city}')::varchar as city,
+    (data#>>'{address,neighborhood,name}')::varchar as neighborhood,
+    (data#>>'{address,postcode}')::varchar as postcode,
+    (data#>>'{tracking,listing_house_no}')::varchar as house_number,
+    (data#>>'{tracking,listing_house_no_addition}')::varchar as house_number_addition,
+
+    (data#>>'{coordinates,lng}')::float as longitude,
+    (data#>>'{coordinates,lat}')::float as latitude,
+
+    (data#>>'{googleMapsObjectUrl}')::varchar as google_maps_url,
+
+    (data#>>'{canonicalUrl}')::varchar as listing_url
+  from
+    source
+)
+select
+  *
+from
+  flattened_json