feat(module): setup for pay-period view with navigation and search options.

prisma/migrations/20250724191659_create_pay_period_view/migration.sql

@@ -0,0 +1,47 @@
+-- This is an empty migration.
+-- Date d'ancrage fix. Période 1 = 2023-12-17 => 2023-12-30
+WITH anchor AS (
+  SELECT '2023-12-17'::date AS anchor_date
+),
+
+
+--definition des bornes d'archivage et de visionnement futur ( 6 mois avant la periode actuelle et 1 mois apres la periode actuelle)
+With bounds As (
+    SELECT
+    (now()::date - INTERVAL ' 6 months')::date AS start_bound,
+    (now()::date - INTERVAL ' 1 month')::date AS end_bound,
+    anchor.anchor_date
+    FROM anchor
+),
+
+--determination des dates d'une periode
+series AS (
+    SELECT
+    generate_series(
+        bounds.start_bound,
+        bounds.end_bound,
+        '14 days'
+    ) AS period_start
+    bounds.anchor_date
+    FROM bounds
+)
+
+--creation de la vue
+CREATE OR REPACE VIEW "pay_period" AS
+SELECT
+
+    ((row_number() OVER (ORDER BY period_start) - 1) % 26) + 1 
+    AS period_number,
+
+    period_start                      AS start_date, --date de début de la periode
+    period_start + INTERVAL '13 days' AS end_date, -- date de fin de la periode
+
+    EXTRACT(YEAR FROM period_start)::int AS year,
+
+    --label pour affichage
+    || ' → '
+    || to_char(period_start + INTERVAL '13 days', 'YYYY-MM-DD')
+    AS label
+
+FROM series;
+OERDER BY period_start;