Merged PR 3823: Apim User staging models

# Description

Apim User staging models
It includes both the model for users data (most of it contained in a json document) as well as user type for each API platform

# 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.
- [x] 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.

Apim User staging models

Related work items: #25404

models/staging/core/_core_sources.yml

@@ -263,3 +263,7 @@ sources:
         identifier: ProductServiceBillingItem
       - name: VerificationRequestFeatureFlag
         identifier: VerificationRequestFeatureFlag
+      - name: ApimUser
+        identifier: ApimUser
+      - name: ApimUserType
+        identifier: ApimUserType

models/staging/core/schema.yml

@@ -1349,3 +1349,97 @@ models:
         data_type: timestamp
         description: |
           Timestamp of when this Verification Request Feature Flag record was extracted into DWH.
+
+  - name: stg_core__apim_user
+    description: |
+      "Contains information about API users.
+      It includes all users from all different API systems so the data
+      contained in the json document differs between them."
+
+    tests:
+      - dbt_utils.unique_combination_of_columns:
+          combination_of_columns:
+            - id_apim_user
+            - id_apim_user_type
+    columns:
+      - name: id_apim_user
+        data_type: character varying
+        description: |
+          Identifier of the User. Acts as part of the composite primary
+          key for this table.
+          Not necessarily unique because the same user can exist in more than
+          one API system.
+        tests:
+          - not_null
+
+      - name: id_apim_user_type
+        data_type: bigint
+        description: |
+          "id of the user type, works as a foreign key to the
+           apim_user_type table"
+        tests:
+          - not_null
+
+      - name: json_document_user_data
+        data_type: character varying
+        description: |
+          "The json document that contains the user information"
+
+      - name: created_at_utc
+        data_type: timestamp
+        description: |
+          Timestamp of when this user was created.
+        tests:
+          - not_null
+
+      - name: created_date_utc
+        data_type: date
+        description: |
+          Date of when this user was created.
+        tests:
+          - not_null
+
+      - name: updated_at_utc
+        data_type: timestamp
+        description: |
+          Timestamp of when this user was last updated.
+        tests:
+          - not_null
+
+      - name: updated_date_utc
+        data_type: date
+        description: |
+          Date of when this user was last updated.
+        tests:
+          - not_null
+
+      - name: dwh_extracted_at_utc
+        data_type: timestamp
+        description: |
+          Timestamp of when this record was extracted into DWH.
+        tests:
+          - not_null
+
+  - name: stg_core__apim_user_type
+    description: ""
+    columns:
+      - name: id_apim_user_type
+        data_type: bigint
+        description: |
+          Unique identifier of the type of user. Acts as the primary key for this table.
+        tests:
+          - unique
+          - not_null
+
+      - name: user_type_name
+        data_type: character varying
+        description: "Name of the user type"
+        tests:
+          - unique
+
+      - name: dwh_extracted_at_utc
+        data_type: timestamp with time zone
+        description: |
+          Timestamp of when this record was extracted into DWH.
+        tests:
+          - not_null

models/staging/core/stg_core__apim_user.sql

@@ -0,0 +1,17 @@
+with
+    raw_apim_user as (select * from {{ source("core", "ApimUser") }}),
+    stg_core__apim_user as (
+        select
+            {{ adapter.quote("UserId") }} as id_apim_user,
+            {{ adapter.quote("ApimUserTypeId") }} as id_apim_user_type,
+            {{ adapter.quote("Json") }} as json_document_user_data,
+            {{ adapter.quote("CreatedDate") }} as created_at_utc,
+            cast({{ adapter.quote("CreatedDate") }} as date) as created_date_utc,
+            {{ adapter.quote("UpdatedDate") }} as updated_at_utc,
+            cast({{ adapter.quote("UpdatedDate") }} as date) as updated_date_utc,
+            {{ adapter.quote("_airbyte_extracted_at") }} as dwh_extracted_at_utc
+
+        from raw_apim_user
+    )
+select *
+from stg_core__apim_user

models/staging/core/stg_core__apim_user_type.sql

@@ -0,0 +1,12 @@
+with
+    raw_apim_user_type as (select * from {{ source("core", "ApimUserType") }}),
+    stg_core__apim_user_type as (
+        select
+            {{ adapter.quote("Id") }} as id_apim_user_type,
+            {{ adapter.quote("Name") }} as user_type_name,
+            {{ adapter.quote("_airbyte_extracted_at") }} as dwh_extracted_at_utc
+
+        from raw_apim_user_type
+    )
+select *
+from stg_core__apim_user_type