Added SQL scripts which create database

skrytka_create_db.sql

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+DROP TABLE IF EXISTS osp_unit CASCADE;
+CREATE TABLE osp_unit (
+    id SERIAL PRIMARY KEY,
+    name VARCHAR(128) NOT NULL,
+    locality VARCHAR(64) NOT NULL CHECK(locality SIMILAR TO '[A-ZĄĆĘŁŃÓŚŹŻ][A-zĄĆĘŁŃÓŚŹŻząćęłńóśźż. ]+')
+);
+
+DROP TABLE IF EXISTS fire_truck CASCADE;
+CREATE TABLE fire_truck (
+    id SERIAL PRIMARY KEY,
+    name VARCHAR(64) NOT NULL,
+    image_path VARCHAR(128) CHECK(image_path ~ '^([0-9a-z_]+/?)*[0-9a-z_]+\.((png)|(jpg)|(jpeg)|(webp))$'),
+    osp_unit_id INTEGER NOT NULL REFERENCES osp_unit ON DELETE CASCADE ON UPDATE CASCADE
+);
+
+DROP TABLE IF EXISTS truck_side CASCADE;
+CREATE TABLE truck_side (
+    id SERIAL PRIMARY KEY,
+    image_path VARCHAR(128) NOT NULL CHECK(image_path ~ '^([0-9a-z_]+/?)*[0-9a-z_]+\.((png)|(jpg)|(jpeg))$'),
+    ordinal_number INTEGER NOT NULL,
+    fire_truck_id INTEGER REFERENCES fire_truck ON DELETE CASCADE ON UPDATE CASCADE
+);
+
+DROP TABLE IF EXISTS cache CASCADE;
+CREATE TABLE cache (
+    id SERIAL PRIMARY KEY,
+    name VARCHAR(64),
+    rectangle BOX NOT NULL CHECK(
+        (rectangle[0])[0] <= 1 AND (rectangle[0])[0] >= 0 AND
+        (rectangle[0])[1] <= 1 AND (rectangle[0])[1] >= 0 AND
+        (rectangle[1])[0] <= 1 AND (rectangle[1])[0] >= 0 AND
+        (rectangle[1])[1] <= 1 AND (rectangle[1])[1] >= 0
+    ),
+    truck_side INTEGER NOT NULL REFERENCES truck_side ON DELETE CASCADE ON UPDATE CASCADE
+);
+
+DROP TABLE IF EXISTS account CASCADE;
+CREATE TABLE account (
+    nickname VARCHAR(32) CHECK(nickname SIMILAR TO '[0-9A-z_żółćęśąźńŻÓŁĆĘŚĄŹŃ]{3,}') PRIMARY KEY,
+    name VARCHAR(32) CHECK(name SIMILAR TO '[A-ZŻÓŁĆĘŚĄŹŃ][a-zżółćęśąźń]+'),
+    surname VARCHAR(64) CHECK(surname SIMILAR TO '[A-ZŻÓŁĆĘŚĄŹŃ][a-zżółćęśąźń]+'),
+    pass_hash CHAR(72) NOT NULL, -- Tu należy dostosować odpowiednio dla wybranego sposobu hashowania
+    default_osp INTEGER REFERENCES osp_unit ON DELETE SET NULL ON UPDATE CASCADE
+);
+
+DROP TABLE IF EXISTS equipment CASCADE;
+CREATE TABLE equipment (
+    id SERIAL PRIMARY KEY,
+    name VARCHAR(64) NOT NULL CHECK(LENGTH(name) > 0),
+    cache_id INTEGER NOT NULL REFERENCES cache ON DELETE CASCADE ON UPDATE CASCADE
+);
+
+DROP TABLE IF EXISTS score;
+CREATE TABLE score (
+    id SERIAL PRIMARY KEY,
+    account_nickname VARCHAR(32) REFERENCES account ON DELETE CASCADE ON UPDATE CASCADE,
+    acquisition_timestamp TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW(),
+    fire_truck_id INTEGER NOT NULL REFERENCES fire_truck ON DELETE CASCADE ON UPDATE CASCADE,
+    points INTEGER NOT NULL CHECK(points BETWEEN 0 AND 10),
+    seconds INTEGER NOT NULL CHECK(seconds > 0)
+);
+
+DROP TABLE IF EXISTS permission CASCADE;
+CREATE TABLE permission (
+    code VARCHAR(64) CHECK(code ~ '^[0-9A-Z_]{3,}$') PRIMARY KEY,
+    name VARCHAR(64) CHECK(LENGTH(name) >= 3),
+    description VARCHAR(128)
+);
+
+-- PYTANIE: Czy aktualizować permission code przy zmianie czy na NULL?
+DROP TABLE IF EXISTS accounts_permissions CASCADE;
+CREATE TABLE accounts_permissions (
+    account_nickname VARCHAR(32) REFERENCES account ON DELETE CASCADE ON UPDATE CASCADE,
+    permission_code VARCHAR(64) REFERENCES permission ON DELETE CASCADE ON UPDATE CASCADE,
+    osp_unit_id INTEGER REFERENCES osp_unit ON DELETE CASCADE ON UPDATE CASCADE,
+    CONSTRAINT pk_users_permissions PRIMARY KEY (account_nickname, permission_code, osp_unit_id)
+);
+
+DROP TABLE IF EXISTS event CASCADE;
+CREATE TABLE event (
+    id SERIAL PRIMARY KEY,
+    name VARCHAR(64) NOT NULL CHECK(LENGTH(name) >= 3),
+    details VARCHAR(128),
+    report_time TIMESTAMP WITH TIME ZONE
+        CHECK(report_time <= NOW() AND DATE_PART('hour', CURRENT_TIMESTAMP - report_time) < 1),
+    -- Chcemy zachować spójność dziennika zdarzeń, nawet jak użytkownik usunie konto:
+    account_nickname VARCHAR(32) REFERENCES account ON DELETE SET NULL ON UPDATE CASCADE,
+    osp_unit_id INTEGER REFERENCES osp_unit ON DELETE CASCADE ON UPDATE CASCADE
+);

skrytka_create_utils.sql

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+DROP VIEW IF EXISTS units_list;
+CREATE VIEW units_list AS
+    SELECT id, name, locality FROM osp_unit;
+
+DROP FUNCTION IF EXISTS get_units_list;
+CREATE FUNCTION get_units_list(prefix VARCHAR) RETURNS TABLE (id INTEGER, name VARCHAR, locality VARCHAR)
+AS
+$func$
+    SELECT * FROM units_list WHERE locality LIKE prefix || '%' OR name LIKE prefix || '%' ORDER BY locality, name LIMIT 3;
+$func$
+LANGUAGE SQL;
+
+DROP FUNCTION IF EXISTS get_trucks_list_with_scores;
+CREATE FUNCTION get_trucks_list_with_scores(osp_unit INTEGER, nickname VARCHAR, last_scores_num INTEGER = 3)
+    RETURNS TABLE (id INTEGER, name VARCHAR, image_path VARCHAR, avg_percent FLOAT) AS
+$func$
+    SELECT ft.id, name, image_path, ROUND(AVG(s.points) * 10, 2) AS avg_percent
+    FROM fire_truck ft
+    JOIN score s ON ft.id = s.fire_truck_id AND s.account_nickname = nickname
+    WHERE ft.osp_unit_id = osp_unit AND s.id IN (
+        SELECT sc.id FROM score sc
+        WHERE sc.account_nickname = nickname AND sc.fire_truck_id = ft.id
+        ORDER BY sc.acquisition_timestamp DESC
+        LIMIT last_scores_num
+    ) GROUP BY ft.id, name, image_path
+    UNION
+    (SELECT ft.id, name, image_path, 0
+        FROM fire_truck ft
+        WHERE ft.osp_unit_id = osp_unit AND
+            ft.id NOT IN (SELECT fire_truck_id FROM score WHERE account_nickname = nickname))
+    ORDER BY 1;
+$func$
+LANGUAGE SQL;
+
+DROP FUNCTION IF EXISTS get_quiz_data_for_truck;
+CREATE FUNCTION get_quiz_data_for_truck(truck_id INTEGER)
+    RETURNS TABLE (side_id INTEGER, side_image_path VARCHAR, cache_id INTEGER,
+        cache_rectangle BOX, cache_name VARCHAR) AS
+$func$
+    SELECT ts.id, ts.image_path, c.id, c.rectangle, c.name
+    FROM fire_truck
+        JOIN truck_side ts on fire_truck.id = ts.fire_truck_id
+        JOIN cache c on ts.id = c.truck_side
+    WHERE fire_truck.id = truck_id
+    ORDER BY ts.ordinal_number;
+$func$
+LANGUAGE SQL;
+
+DROP FUNCTION IF EXISTS get_random_question;
+CREATE FUNCTION get_random_question(truck_id INTEGER)
+    RETURNS TABLE (cache_id INTEGER, equipment_name VARCHAR) AS
+$func$
+    SELECT c.id, e.name
+    FROM truck_side ts
+    JOIN cache c on ts.id = c.truck_side
+    JOIN equipment e on c.id = e.cache_id
+    WHERE ts.fire_truck_id = truck_id
+    ORDER BY RANDOM()
+    LIMIT 1;
+$func$
+LANGUAGE SQL;
+
+DROP VIEW IF EXISTS trucks_list;
+CREATE VIEW trucks_list AS
+    SELECT id, name, image_path FROM fire_truck;