Optimized new DB migration script for meal features and food entries

Author: CodeWithCJ

SparkyFitnessServer/db/migrations/20250711173824_meal_features.sql

@@ -1,14 +1,10 @@
 SET search_path = public, auth;
 
--- Add PRIMARY KEY constraint to the foods table
+-- Add PRIMARY KEY constraint to the foods table (from original 20250711173824_meal_features.sql)
 ALTER TABLE public.foods
 ADD CONSTRAINT foods_pkey PRIMARY KEY (id);
 
-
-
-
-
--- Create meals table
+-- Create meals table (from original 20250711173824_meal_features.sql)
 CREATE TABLE public.meals (
   id uuid NOT NULL DEFAULT gen_random_uuid(),
   user_id uuid NOT NULL,
@@ -20,6 +16,7 @@ CREATE TABLE public.meals (
   CONSTRAINT meals_pkey PRIMARY KEY (id)
 );
 
+-- Create meal_foods table (from original 20250711173824_meal_features.sql)
 CREATE TABLE public.meal_foods (
   id uuid NOT NULL DEFAULT gen_random_uuid(),
   meal_id uuid NOT NULL,
@@ -32,6 +29,7 @@ CREATE TABLE public.meal_foods (
   CONSTRAINT meal_foods_pkey PRIMARY KEY (id)
 );
 
+-- Create meal_plans table (from original 20250711173824_meal_features.sql)
 CREATE TABLE public.meal_plans (
   id uuid NOT NULL DEFAULT gen_random_uuid(),
   user_id uuid NOT NULL,
@@ -54,11 +52,81 @@ CREATE TABLE public.meal_plans (
   )
 );
 
--- Add meal_plan_id to food_entries table
+-- Refactor meal_plan_templates (from 20250711215400_refactor_meal_plan_templates.sql)
+-- Drop old tables if they exist from previous attempts (important for clean re-runs)
+DROP TABLE IF EXISTS public.meal_plan_template_assignments CASCADE;
+DROP TABLE IF EXISTS public.meal_day_presets CASCADE;
+DROP TABLE IF EXISTS public.meal_plan_templates CASCADE;
+
+-- Create the new, cleaner meal_plan_templates table
+CREATE TABLE public.meal_plan_templates (
+    id UUID NOT NULL DEFAULT gen_random_uuid(),
+    user_id UUID NOT NULL,
+    plan_name VARCHAR(255) NOT NULL,
+    description TEXT,
+    start_date DATE NOT NULL,
+    end_date DATE NULL,
+    is_active BOOLEAN NOT NULL DEFAULT TRUE,
+    created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT now(),
+    updated_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT now(),
+    CONSTRAINT meal_plan_templates_pkey PRIMARY KEY (id),
+    CONSTRAINT meal_plan_templates_user_id_fkey FOREIGN KEY (user_id) REFERENCES auth.users (id) ON DELETE CASCADE
+);
+
+-- Create the meal_plan_template_assignments table (from 20250711215400_refactor_meal_plan_templates.sql)
+CREATE TABLE public.meal_plan_template_assignments (
+    id UUID NOT NULL DEFAULT gen_random_uuid(),
+    template_id UUID NOT NULL,
+    day_of_week INTEGER NOT NULL, -- 0 for Sunday, 1 for Monday, etc.
+    meal_type VARCHAR(50) NOT NULL, -- 'breakfast', 'lunch', 'dinner', 'snacks'
+    meal_id UUID, -- Made nullable here due to later migration
+    CONSTRAINT meal_plan_template_assignments_pkey PRIMARY KEY (id),
+    CONSTRAINT meal_plan_template_assignments_template_id_fkey FOREIGN KEY (template_id) REFERENCES public.meal_plan_templates (id) ON DELETE CASCADE,
+    CONSTRAINT meal_plan_template_assignments_meal_id_fkey FOREIGN KEY (meal_id) REFERENCES public.meals (id) ON DELETE CASCADE
+);
+
+-- Add columns to meal_plan_template_assignments (from 20250712154550_add_food_to_meal_plan_assignments.sql)
+ALTER TABLE meal_plan_template_assignments
+ADD COLUMN item_type VARCHAR(50) NOT NULL DEFAULT 'meal',
+ADD COLUMN food_id UUID,
+ADD COLUMN variant_id UUID,
+ADD COLUMN quantity NUMERIC(10, 2),
+ADD COLUMN unit VARCHAR(50);
+
+-- Add foreign key constraints for food and food_variant to meal_plan_template_assignments
+ALTER TABLE meal_plan_template_assignments
+ADD CONSTRAINT fk_food
+FOREIGN KEY (food_id) REFERENCES foods(id) ON DELETE CASCADE;
+
+ALTER TABLE meal_plan_template_assignments
+ADD CONSTRAINT fk_food_variant
+FOREIGN KEY (variant_id) REFERENCES food_variants(id) ON DELETE CASCADE;
+
+-- Add meal_plan_template_id to food_entries table and fix foreign key (consolidated)
 ALTER TABLE public.food_entries
-ADD COLUMN IF NOT EXISTS meal_plan_id uuid;
+ADD COLUMN meal_plan_template_id uuid;
+
+ALTER TABLE public.food_entries
+ADD CONSTRAINT food_entries_meal_plan_template_id_fkey
+FOREIGN KEY (meal_plan_template_id) REFERENCES public.meal_plan_templates (id) ON DELETE SET NULL;
+
+-- Add a unique constraint to ensure only one plan is active for a user at any given time. (from 20250711215400_refactor_meal_plan_templates.sql)
+CREATE UNIQUE INDEX one_active_meal_plan_per_user
+ON public.meal_plan_templates (user_id)
+WHERE is_active = TRUE;
 
--- Add foreign key constraints after all tables are created
+-- Add/Update check constraint for meal_plan_template_assignments (from 20250712155253_alter_meal_id_nullable_in_meal_plan_assignments.sql)
+ALTER TABLE meal_plan_template_assignments
+DROP CONSTRAINT IF EXISTS chk_item_type_and_id;
+
+ALTER TABLE meal_plan_template_assignments
+ADD CONSTRAINT chk_item_type_and_id
+CHECK (
+    (item_type = 'meal' AND meal_id IS NOT NULL AND food_id IS NULL) OR
+    (item_type = 'food' AND food_id IS NOT NULL AND meal_id IS NULL)
+);
+
+-- Add foreign key constraints after all tables are created (from original 20250711173824_meal_features.sql)
 ALTER TABLE public.meals
 ADD CONSTRAINT meals_user_id_fkey FOREIGN KEY (user_id) REFERENCES auth.users (id) ON DELETE CASCADE NOT VALID;
 ALTER TABLE public.meals VALIDATE CONSTRAINT meals_user_id_fkey;
@@ -80,7 +148,3 @@ ALTER TABLE public.meal_plans VALIDATE CONSTRAINT meal_plans_user_id_fkey;
 ALTER TABLE public.meal_plans VALIDATE CONSTRAINT meal_plans_meal_id_fkey;
 ALTER TABLE public.meal_plans VALIDATE CONSTRAINT meal_plans_food_id_fkey;
 ALTER TABLE public.meal_plans VALIDATE CONSTRAINT meal_plans_variant_id_fkey;
-
-ALTER TABLE public.food_entries
-ADD CONSTRAINT food_entries_meal_plan_id_fkey FOREIGN KEY (meal_plan_id) REFERENCES public.meal_plans (id) ON DELETE SET NULL NOT VALID;
-ALTER TABLE public.food_entries VALIDATE CONSTRAINT food_entries_meal_plan_id_fkey;