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wishlist.sql

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+-- ============================================================
+-- Simple Wishlist – Minimal-Schema
+-- Tested on MariaDB 10.x / MySQL 8.x
+-- ============================================================
+
+/* Optional: eigene DB anlegen/verwenden
+CREATE DATABASE IF NOT EXISTS `wishlist`
+  DEFAULT CHARACTER SET utf8mb4
+  COLLATE utf8mb4_unicode_ci;
+USE `wishlist`;
+*/
+
+-- ------------------------------------------------------------
+-- Tabellen löschen (idempotent für wiederholte Importe)
+-- ------------------------------------------------------------
+DROP TABLE IF EXISTS `wishes_reservations`;
+DROP TABLE IF EXISTS `wishes`;
+DROP TABLE IF EXISTS `lists`;
+
+-- ------------------------------------------------------------
+-- LISTEN (Metadaten & Admin-Passwort)
+-- ------------------------------------------------------------
+CREATE TABLE `lists` (
+  `ID`          INT(11)      NOT NULL AUTO_INCREMENT,
+  `uuid`        CHAR(36)     NOT NULL,               -- öffentliche, stabile ID (Links)
+  `title`       VARCHAR(255) NOT NULL,
+  `description` TEXT         NOT NULL,
+  `edit_pw`     VARCHAR(255) NOT NULL,               -- Passwort-Hash (password_hash)
+  PRIMARY KEY (`ID`),
+  UNIQUE KEY `uq_lists_uuid` (`uuid`)
+) ENGINE=InnoDB
+  DEFAULT CHARSET = utf8mb4
+  COLLATE = utf8mb4_unicode_ci;
+
+-- ------------------------------------------------------------
+-- WÜNSCHE (einer Liste zugeordnet)
+-- ------------------------------------------------------------
+CREATE TABLE `wishes` (
+  `ID`        INT(11)      NOT NULL AUTO_INCREMENT,
+  `wishlist`  INT(11)      NOT NULL,                 -- FK -> lists.ID
+  `title`     VARCHAR(128) NOT NULL,
+  `description` TEXT       NOT NULL,
+  `link`      TEXT         NOT NULL,                 -- optionaler Anbieter-Link (leer erlaubt)
+  `image`     TEXT         DEFAULT NULL,             -- Dateiname (lokal) oder NULL
+  `price`     INT(11)      NOT NULL DEFAULT 0,       -- Preis in Cent
+  `date`      DATE         NOT NULL DEFAULT (CURRENT_DATE),
+  `priority`  INT(11)      NOT NULL DEFAULT 0,       -- Sortierung (höher = weiter oben)
+  `qty`       INT(11)      NOT NULL DEFAULT 1,       -- Anzahl benötigter Exemplare
+
+  PRIMARY KEY (`ID`),
+  KEY `idx_wishes_wishlist` (`wishlist`),
+  CONSTRAINT `fk_wishes_list`
+    FOREIGN KEY (`wishlist`) REFERENCES `lists` (`ID`)
+    ON DELETE CASCADE
+) ENGINE=InnoDB
+  DEFAULT CHARSET = utf8mb4
+  COLLATE = utf8mb4_unicode_ci;
+
+-- ------------------------------------------------------------
+-- RESERVIERUNGEN (pro Wunsch mehrere Einträge, je Reservierung einer)
+-- ------------------------------------------------------------
+CREATE TABLE `wishes_reservations` (
+  `id`         INT(11)       NOT NULL AUTO_INCREMENT,
+  `wish_id`    INT(11)       NOT NULL,               -- FK -> wishes.ID
+  `pass_hash`  VARCHAR(255)  NOT NULL,               -- Passwort-Hash (password_hash)
+  `created_at` DATETIME      NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  PRIMARY KEY (`id`),
+  KEY `idx_wr_wish` (`wish_id`),
+  CONSTRAINT `fk_wr_wish`
+    FOREIGN KEY (`wish_id`) REFERENCES `wishes` (`ID`)
+    ON DELETE CASCADE
+) ENGINE=InnoDB
+  DEFAULT CHARSET = utf8mb4
+  COLLATE = utf8mb4_unicode_ci;
+
+-- ------------------------------------------------------------
+-- OPTIONALE HILFS-VIEW: reserved_count je Wunsch
+-- Erleichtert das Rendern (Badge/Buttons) ohne Subquery im Code.
+-- Nutzung: SELECT w.*, rc.reserved_count FROM wishes w
+--          LEFT JOIN v_wish_reserved_counts rc ON rc.wish_id = w.ID
+-- ------------------------------------------------------------
+CREATE OR REPLACE VIEW `v_wish_reserved_counts` AS
+SELECT
+  wr.wish_id,
+  COUNT(*) AS reserved_count
+FROM wishes_reservations wr
+GROUP BY wr.wish_id;
+
+-- ------------------------------------------------------------
+-- EMPFOHLENE INDIZES (optional – je nach Abfragen)
+-- ------------------------------------------------------------
+-- Wenn häufig nach (wishlist, priority DESC) sortiert wird:
+CREATE INDEX `idx_wishes_wishlist_priority` ON `wishes` (`wishlist`, `priority`);
+
+-- Wenn oft nach Datum sortiert/gefiltert wird:
+CREATE INDEX `idx_wishes_wishlist_date` ON `wishes` (`wishlist`, `date`);
+
+-- Fertig.