New model for a purchase order reporting structure

dbt_project.yml

@@ -1,7 +1,7 @@
 name: 'xero'
-version: '0.4.0'
+version: '0.3.0'
 config-version: 2
-require-dbt-version: [">=1.0.0", "<2.0.0"]
+require-dbt-version: ">=0.20.0"
 
 vars:
   xero:
@@ -14,6 +14,8 @@ vars:
     organization: "{{ ref('stg_xero__organization') }}"
     credit_note: "{{ ref('stg_xero__credit_note') }}"
     bank_transaction: "{{ ref('stg_xero__bank_transaction') }}"
+    purchase_order_line_item: "{{ ref('stg_xero__purchase_order_line_item') }}"
+    purchase_order: "{{ ref('stg_xero__purchase_order') }}"
 
 models:
   xero:

models/xero.yml

@@ -49,6 +49,8 @@ models:
         description: Percentage discount being applied to a line item.
       - name: invoice_id
         description: The Xero identifier for the invoice the line items belongs to.
+        tests:
+          - not_null
       - name: item_code
         description: User defined item code.
       - name: line_amount
@@ -209,3 +211,82 @@ models:
           The source where this data was pulled from. If you are making use of the `union_schemas` variable, this will be the source schema.
           If you are making use of the `union_databases` variable, this will be the source database. If you are not unioining together multiple
           sources, this will be an empty string.
+
+
+  - name: xero__purchase_order_line_items
+    description: Each record represents a purchase order line item, enriched with account, contact and invoice information.
+    tests:
+      - dbt_utils.unique_combination_of_columns:
+          combination_of_columns:
+            - line_item_id
+            - source_relation
+    columns:
+      - name: _fivetran_synced
+        description: "{{ doc('_fivetran_synced') }}"
+      - name: description
+        description: The description of the line item
+      - name: discount_rate
+        description: Percentage discount being applied to a purchase order line item.
+      - name: purchase_order_id
+        description: The Xero identifier for the purchase order the line items belongs to.
+        tests:
+          - not_null
+      - name: item_code
+        description: User defined item code.
+      - name: line_amount
+        description: The line amount reflects the discounted price if a DiscountRate has been used.
+      - name: line_item_id
+        description: Xero identifier for the purchase order line item.
+        tests:
+          - not_null
+      - name: quantity
+        description: The quantity of the purchase order line item.
+      - name: tax_amount
+        description: The tax amount is auto calculated as a percentage of the line amount based on the tax rate.
+      - name: tax_type
+        description: Used as an override if the default Tax Code for the selected AccountCode is not correct.
+      - name: unit_amount
+        description: The unit amount of each purchase order line item.
+      - name: purchase_order_date
+        description: The date the purchase order was issued.
+      - name: updated_date
+        description: The date the purchase order was last modified.
+      - name: delivery_date
+        description: The expected delivery date of the purchase order goods, when set.
+      - name: currency_code
+        description: The currency that purchase order has been raised in
+      - name: currency_rate
+        description: The currency rate for a multicurrency purchase order
+      - name: purchase_order_reference
+        description: Additional reference number to suit the organisation or supplier.
+      - name: purchase_order_status
+        description: The status of the purchase order
+      - name: type
+        description: The type of the purchase order.
+      - name: is_discounted
+        description: Flags if purchase order items have discounts applied
+      - name: line_amount_types
+        description: Tax inclusive, exclusive or no tax
+      - name: sub_total
+        description: Purchase order amount before tax
+      - name: total_tax
+        description: Purchase order tax amount
+      - name: total
+        description: Purchase order total amount including tax
+      - name: account_id
+        description: The Xero identifier for the related account.
+      - name: account_name
+        description: The name of the account.
+      - name: account_code
+        description: Customer defined alpha numeric account code e.g 200 or SALES
+      - name: account_type
+        description: The type of account, e.g. CURRENT, EQUITY, SALES
+      - name: account_class
+        description: The class of account, e.g. ASSET, EQUITY, EXPENSE, LIABILITY, REVENUE
+      - name: contact_name
+        description: The name of the associated contact.
+      - name: source_relation
+        description: >
+          The source where this data was pulled from. If you are making use of the `union_schemas` variable, this will be the source schema.
+          If you are making use of the `union_databases` variable, this will be the source database. If you are not unioining together multiple
+          sources, this will be an empty string.

models/xero__purchase_order_line_items.sql

@@ -0,0 +1,61 @@
+with line_items as (
+
+    select *
+    from {{ var('purchase_order_line_item') }}
+
+), purchase_orders as (
+
+    select *
+    from {{ var('purchase_order') }}
+
+), accounts as (
+
+    select *
+    from {{ var('account') }}
+
+), contacts as (
+
+    select *
+    from {{ var('contact') }}
+
+), joined as (
+
+    select
+        line_items.*,
+
+        purchase_orders.purchase_order_date,
+        purchase_orders.updated_date,
+        purchase_orders.delivery_date,
+        purchase_orders.sub_total,
+        purchase_orders.total_tax,
+        purchase_orders.total,
+        purchase_orders.currency_code,
+        purchase_orders.currency_rate,
+        purchase_orders.purchase_order_number,
+        purchase_orders.purchase_order_status,
+        purchase_orders.type,
+        purchase_orders.reference as purchase_order_reference,
+        purchase_orders.is_discounted,
+        purchase_orders.line_amount_types,
+        accounts.account_id,
+        accounts.account_name,
+        accounts.account_type,
+        accounts.account_class,
+
+        contacts.contact_name
+
+    from line_items
+    left join purchase_orders
+        on (line_items.purchase_order_id = purchase_orders.purchase_order_id
+        and line_items.source_relation = purchase_orders.source_relation)
+    left join accounts
+        on (line_items.account_code = accounts.account_code
+        and line_items.source_relation = accounts.source_relation)
+    left join contacts
+        on (purchase_orders.contact_id = contacts.contact_id
+        and purchase_orders.source_relation = contacts.source_relation)
+
+)
+
+select *
+from joined

packages.yml

@@ -1,3 +1,2 @@
 packages:
-- package: fivetran/xero_source
-  version: [">=0.4.0", "<0.5.0"]
+- git: https://github.com/Project-Rouge/dbt_xero_source