Merged PR 3427: Weekly dimension

# Description

Added week values to the kpis__dimension_dates model for weekly aggregations

# 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.

Weekly dimension

models/intermediate/kpis/int_kpis__dimension_dates.sql

@@ -8,16 +8,20 @@ with
         select
             id.year_number as year,
             id.month_of_year as month,
+            id.week_of_year as week,
             id.day_of_month as day,
             id.date_day as date,
             id.month_start_date as first_day_month,
             id.month_end_date as last_day_month,
+            id.week_start_date as first_day_week,
+            id.week_end_date as last_day_week,
             now()::date as today
         from int_dates id
     )
 select distinct
     rd.year,
     rd.month,
+    rd.week,
     rd.day,
     rd.date,
     rd.first_day_month,
@@ -37,7 +41,15 @@ select distinct
             and rd.day < extract(day from rd.today)
         then true
         else false
-    end as is_month_to_date
+    end as is_month_to_date,    
+    rd.first_day_week,
+    rd.last_day_week,
+    case when rd.date = rd.last_day_week then true else false end as is_end_of_week,
+    case
+        when date_trunc('week', rd.date) = date_trunc('week', rd.today)
+        then true
+        else false
+    end as is_current_week
 from raw_dates rd
 where
     -- include only up-to yesterday

models/intermediate/kpis/schema.yml

@@ -26,6 +26,12 @@ models:
         tests:
           - not_null
 
+      - name: week
+        data_type: int
+        description: Week number of the given date.
+        tests:
+          - not_null
+
       - name: day
         data_type: int
         description: Day monthly number of the given date.
@@ -70,6 +76,33 @@ models:
         tests:
           - not_null
 
+      - name: first_day_week
+        data_type: date
+        description: |
+          First day of the week corresponding to the date field.
+        tests:
+          - not_null
+
+      - name: last_day_week
+        data_type: date
+        description: |
+          Last day of the week corresponding to the date field.
+        tests:
+          - not_null
+
+      - name: is_end_of_week
+        data_type: boolean
+        description: True if it's end of week, false otherwise.
+        tests:
+          - not_null
+
+      - name: is_current_week
+        data_type: boolean
+        description: |
+          True if the date is within the current week, false otherwise.
+        tests:
+          - not_null
+
   - name: int_kpis__lifecycle_daily_accommodation
     description: |
       This model computes the daily lifecycle segment for each accommodation, also known as