* Extended functionalities

* Added different UIs

database/scripts/007_remove_duplicate_recipes_by_name.sql

@@ -0,0 +1,135 @@
+-- 007_remove_duplicate_recipes_by_name.sql
+-- Removes duplicate recipes that share the same "Name" (trimmed, exact match).
+-- Keeps the row with the lowest "Id" for each name.
+--
+-- Analysis of Recipes-2.csv export (196 rows):
+--   168 unique names, 28 duplicate groups, 28 rows to delete (Ids 113–140).
+--   Those duplicate Ids mirror Ids 29–56 one-to-one.
+--
+-- Run inside a transaction. Review the preview queries before COMMIT.
+
+BEGIN;
+
+-- ---------------------------------------------------------------------------
+-- 1) Preview duplicates
+-- ---------------------------------------------------------------------------
+-- SELECT
+--     r."Name",
+--     array_agg(r."Id" ORDER BY r."Id") AS ids,
+--     min(r."Id") AS keep_id,
+--     array_agg(r."Id" ORDER BY r."Id") FILTER (WHERE r."Id" <> min(r."Id")) AS remove_ids
+-- FROM diet."Recipes" r
+-- GROUP BY r."Name"
+-- HAVING count(*) > 1
+-- ORDER BY min(r."Id");
+
+-- ---------------------------------------------------------------------------
+-- 2) Build duplicate map: remove_id -> keep_id
+-- ---------------------------------------------------------------------------
+CREATE TEMP TABLE recipe_dedup_map ON COMMIT DROP AS
+SELECT
+    r."Id" AS remove_id,
+    d.keep_id
+FROM diet."Recipes" r
+INNER JOIN (
+    SELECT btrim("Name") AS name_key, MIN("Id") AS keep_id
+    FROM diet."Recipes"
+    GROUP BY btrim("Name")
+    HAVING COUNT(*) > 1
+) d ON btrim(r."Name") = d.name_key
+WHERE r."Id" <> d.keep_id;
+
+-- Optional: restrict to known duplicate ids from export
+-- DELETE FROM recipe_dedup_map WHERE remove_id NOT BETWEEN 113 AND 140;
+
+DO $$
+DECLARE
+    dup_count int;
+BEGIN
+    SELECT count(*) INTO dup_count FROM recipe_dedup_map;
+    RAISE NOTICE 'Duplicate recipe rows to remove: %', dup_count;
+END $$;
+
+-- ---------------------------------------------------------------------------
+-- 3) Re-point foreign keys to the canonical (lowest-id) recipe
+-- ---------------------------------------------------------------------------
+
+-- Meal planner / diet generator drafts
+UPDATE diet."MealPlanEntries" e
+SET "RecipeId" = m.keep_id,
+    "UpdatedAt" = now()
+FROM recipe_dedup_map m
+WHERE e."RecipeId" = m.remove_id;
+
+UPDATE diet."DietGeneratorDraftMeals" d
+SET "RecipeId" = m.keep_id
+FROM recipe_dedup_map m
+WHERE d."RecipeId" = m.remove_id;
+
+-- AI recipe generator saved draft pointer
+UPDATE diet."RecipeGeneratorSessions" s
+SET "SavedRecipeId" = m.keep_id,
+    "UpdatedAt" = now()
+FROM recipe_dedup_map m
+WHERE s."SavedRecipeId" = m.remove_id;
+
+-- Diet tracking (nullable FK)
+UPDATE diet."MealConsumptions" c
+SET "RecipeId" = m.keep_id
+FROM recipe_dedup_map m
+WHERE c."RecipeId" = m.remove_id;
+
+-- Favorites: drop rows that would collide after merge, then re-point the rest
+DELETE FROM diet."UserFavoriteRecipes" f
+USING recipe_dedup_map m
+WHERE f."RecipeId" = m.remove_id
+  AND EXISTS (
+      SELECT 1
+      FROM diet."UserFavoriteRecipes" f2
+      WHERE f2."UserId" = f."UserId"
+        AND f2."RecipeId" = m.keep_id
+  );
+
+UPDATE diet."UserFavoriteRecipes" f
+SET "RecipeId" = m.keep_id
+FROM recipe_dedup_map m
+WHERE f."RecipeId" = m.remove_id;
+
+-- ---------------------------------------------------------------------------
+-- 4) Delete duplicate recipes (Ingredients + RecipeSteps cascade)
+-- ---------------------------------------------------------------------------
+DELETE FROM diet."Recipes" r
+USING recipe_dedup_map m
+WHERE r."Id" = m.remove_id;
+
+-- ---------------------------------------------------------------------------
+-- 5) Verify
+-- ---------------------------------------------------------------------------
+DO $$
+DECLARE
+    remaining_dup_names int;
+    recipe_count int;
+BEGIN
+    SELECT count(*) INTO remaining_dup_names
+    FROM (
+        SELECT btrim("Name")
+        FROM diet."Recipes"
+        GROUP BY btrim("Name")
+        HAVING count(*) > 1
+    ) d;
+
+    SELECT count(*) INTO recipe_count FROM diet."Recipes";
+
+    IF remaining_dup_names > 0 THEN
+        RAISE EXCEPTION 'Duplicate recipe names still present: % groups', remaining_dup_names;
+    END IF;
+
+    RAISE NOTICE 'Done. Active recipe count: %', recipe_count;
+END $$;
+
+COMMIT;
+
+-- Optional hardening (uncomment if every recipe name must be unique going forward):
+-- CREATE UNIQUE INDEX IF NOT EXISTS "UX_Recipes_Name"
+--     ON diet."Recipes" (btrim("Name"))
+--     WHERE "IsActive" AND NOT "IsDraft";