Merged PR 5438: Add Flex API into KPI models

# Description

Including Flex API revenue into KPI models.
Will also update the Main KPIs report

# Checklist

- [x] The edited models and dependants run properly with production data.
- [x] The edited models are sufficiently documented.
- [x] The edited models contain PK tests, and I've ran and passed them.
- [ ] I have checked for DRY opportunities with other models and docs.
- [ ] I've picked the right materialization for the affected models.

# Other

- [ ] Check if a full-refresh is required after this PR is merged.

Add Flex API into KPI models

Related work items: #31041

models/intermediate/cross/int_mtd_aggregated_metrics.sql

@@ -692,6 +692,17 @@
         "display_exclusion": "INVOICING",
         "include_in_account_reporting": false,
     },
+    {
+        "order_by": 249,
+        "metric": "Invoiced Flex API Revenue",
+        "value": "xero_flex_api_net_fees_in_gbp",
+        "previous_year_value": "previous_year_xero_flex_api_net_fees_in_gbp",
+        "relative_increment": "relative_increment_xero_flex_api_net_fees_in_gbp",
+        "number_format": "currency_gbp",
+        "increment_sign_format": "positive",
+        "display_exclusion": "INVOICING",
+        "include_in_account_reporting": false,
+    },
     {
         "order_by": 250,
         "metric": "Guest Revenue",

models/intermediate/cross/int_mtd_vs_previous_year_metrics.sql

@@ -233,6 +233,7 @@ with
             invoiced_revenue.xero_e_deposit_net_fees_in_gbp,
             invoiced_revenue.xero_check_in_hero_api_net_fees_in_gbp,
             invoiced_revenue.xero_screen_and_protect_net_fees_in_gbp,
+            invoiced_revenue.xero_flex_api_net_fees_in_gbp,
             invoiced_revenue.xero_guesty_net_fees_in_gbp,
 
             -- HOST RESOLUTIONS --
@@ -488,6 +489,7 @@ select
     {{ calculate_safe_relative_increment("xero_e_deposit_net_fees_in_gbp") }},
     {{ calculate_safe_relative_increment("xero_check_in_hero_api_net_fees_in_gbp") }},
     {{ calculate_safe_relative_increment("xero_screen_and_protect_net_fees_in_gbp") }},
+    {{ calculate_safe_relative_increment("xero_flex_api_net_fees_in_gbp") }},
     {{ calculate_safe_relative_increment("xero_guesty_net_fees_in_gbp") }},
 
     -- HOST RESOLUTIONS --

models/intermediate/kpis/int_kpis__agg_monthly_invoiced_revenue.sql

@@ -51,6 +51,7 @@
         sum(
             xero_screen_and_protect_net_fees_in_gbp
         ) as xero_screen_and_protect_net_fees_in_gbp,
+        sum(xero_flex_api_net_fees_in_gbp) as xero_flex_api_net_fees_in_gbp,
         sum(xero_guesty_net_fees_in_gbp) as xero_guesty_net_fees_in_gbp,
         sum(xero_apis_net_fees_in_gbp) as xero_apis_net_fees_in_gbp,
         sum(

models/intermediate/kpis/int_kpis__agg_mtd_invoiced_revenue.sql

@@ -51,6 +51,7 @@
         sum(
             xero_screen_and_protect_net_fees_in_gbp
         ) as xero_screen_and_protect_net_fees_in_gbp,
+        sum(xero_flex_api_net_fees_in_gbp) as xero_flex_api_net_fees_in_gbp,
         sum(xero_guesty_net_fees_in_gbp) as xero_guesty_net_fees_in_gbp,
         sum(xero_apis_net_fees_in_gbp) as xero_apis_net_fees_in_gbp,
         sum(

models/intermediate/kpis/int_kpis__metric_daily_invoiced_revenue.sql

@@ -188,6 +188,13 @@ select
             else 0
         end
     ) as xero_screen_and_protect_net_fees_in_gbp,
+    sum(
+        case
+            when ixsdm.accounting_root_aggregation = 'Flex API'
+            then ixsdm.line_amount_wo_taxes_in_gbp
+            else 0
+        end
+    ) as xero_flex_api_net_fees_in_gbp,
     sum(
         case
             when ixsdm.accounting_root_aggregation = 'Guesty Resolutions'

models/intermediate/kpis/int_kpis__metric_monthly_invoiced_revenue.sql

@@ -56,6 +56,7 @@ select
     sum(
         ir.xero_screen_and_protect_net_fees_in_gbp
     ) as xero_screen_and_protect_net_fees_in_gbp,
+    sum(ir.xero_flex_api_net_fees_in_gbp) as xero_flex_api_net_fees_in_gbp,
     sum(ir.xero_guesty_net_fees_in_gbp) as xero_guesty_net_fees_in_gbp,
     sum(ir.xero_apis_net_fees_in_gbp) as xero_apis_net_fees_in_gbp,
     sum(

models/intermediate/kpis/int_kpis__metric_mtd_invoiced_revenue.sql

@@ -56,6 +56,7 @@ select
     sum(
         ir.xero_screen_and_protect_net_fees_in_gbp
     ) as xero_screen_and_protect_net_fees_in_gbp,
+    sum(ir.xero_flex_api_net_fees_in_gbp) as xero_flex_api_net_fees_in_gbp,
     sum(ir.xero_guesty_net_fees_in_gbp) as xero_guesty_net_fees_in_gbp,
     sum(ir.xero_apis_net_fees_in_gbp) as xero_apis_net_fees_in_gbp,
     sum(

models/intermediate/kpis/schema.yml

@@ -4471,6 +4471,13 @@ models:
           in a given date and per specified dimension. This is an
           API service.
 
+      - name: xero_flex_api_net_fees_in_gbp
+        data_type: decimal
+        description: |
+          Sum of daily Flex API Net Fees, in GBP, without taxes
+          in a given date and per specified dimension. This is an
+          API service.
+
       - name: xero_athena_net_fees_in_gbp
         data_type: decimal
         description: |
@@ -4694,6 +4701,13 @@ models:
           in a given month and per specified dimension. This is an
           API service.
 
+      - name: xero_flex_api_net_fees_in_gbp
+        data_type: decimal
+        description: |
+          Sum of daily Flex API Net Fees, in GBP, without taxes
+          in a given date and per specified dimension. This is an
+          API service.
+
       - name: xero_athena_net_fees_in_gbp
         data_type: decimal
         description: |
@@ -4911,6 +4925,13 @@ models:
           in a given month up to the given date and per specified dimension. 
           This is an API service.
 
+      - name: xero_flex_api_net_fees_in_gbp
+        data_type: decimal
+        description: |
+          Sum of daily Flex API Net Fees, in GBP, without taxes
+          in a given date and per specified dimension. This is an
+          API service.
+
       - name: xero_athena_net_fees_in_gbp
         data_type: decimal
         description: |
@@ -4990,6 +5011,7 @@ models:
                 - xero_e_deposit_net_fees_in_gbp
                 - xero_check_in_hero_api_net_fees_in_gbp
                 - xero_screen_and_protect_net_fees_in_gbp
+                - xero_flex_api_net_fees_in_gbp
                 - xero_athena_net_fees_in_gbp
                 - xero_guesty_resolutions_net_fees_in_gbp
                 - xero_guesty_net_fees_in_gbp
@@ -5114,6 +5136,13 @@ models:
           for a given date, dimension and value.
           This is an API service.
 
+      - name: xero_flex_api_net_fees_in_gbp
+        data_type: decimal
+        description: |
+          Sum of daily Flex API Net Fees, in GBP, without taxes
+          in a given date and per specified dimension. This is an
+          API service.
+
       - name: xero_athena_net_fees_in_gbp
         data_type: decimal
         description: |
@@ -5191,6 +5220,7 @@ models:
                 - xero_e_deposit_net_fees_in_gbp
                 - xero_check_in_hero_api_net_fees_in_gbp
                 - xero_screen_and_protect_net_fees_in_gbp
+                - xero_flex_api_net_fees_in_gbp
                 - xero_athena_net_fees_in_gbp
                 - xero_guesty_resolutions_net_fees_in_gbp
                 - xero_guesty_net_fees_in_gbp
@@ -5316,6 +5346,13 @@ models:
           for a given date, dimension and value.
           This is an API service.
 
+      - name: xero_flex_api_net_fees_in_gbp
+        data_type: decimal
+        description: |
+          Sum of daily Flex API Net Fees, in GBP, without taxes
+          in a given date and per specified dimension. This is an
+          API service.
+
       - name: xero_athena_net_fees_in_gbp
         data_type: decimal
         description: |