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app/database/schema.sql

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+
+
+CREATE TABLE role (
+    role_id SERIAL PRIMARY KEY,
+    name VARCHAR(50) UNIQUE NOT NULL, -- admin, volunteer, team_lead, manager, terry
+    created_at TIMESTAMP DEFAULT NOW(),
+    updated_at TIMESTAMP DEFAULT NOW()
+);
+
+-- COMBINED: users + admin_settings in one table
+CREATE TABLE users (
+    user_id SERIAL PRIMARY KEY,
+    first_name VARCHAR(100),
+    last_name VARCHAR(100),
+    email VARCHAR(150) UNIQUE NOT NULL,
+    phone VARCHAR(20),
+    password TEXT NOT NULL,
+    role_id INT REFERENCES role(role_id) ON DELETE SET NULL,
+    admin_code CHAR(6) UNIQUE,
+    -- Admin settings combined here
+    ward_settings TEXT,
+    created_at TIMESTAMP DEFAULT NOW(),
+    updated_at TIMESTAMP DEFAULT NOW()
+);
+
+CREATE TABLE address_database (
+    address_id SERIAL PRIMARY KEY,
+    address VARCHAR(255),
+    street_name VARCHAR(100),
+    street_type VARCHAR(50),
+    street_quadrant VARCHAR(50),
+    house_number VARCHAR(20),
+    house_alpha VARCHAR(10),
+    postal_code VARCHAR(10),
+    longitude DECIMAL(9,6),
+    latitude DECIMAL(9,6),
+    created_at TIMESTAMP DEFAULT NOW(),
+    updated_at TIMESTAMP DEFAULT NOW()
+);
+
+CREATE TABLE team (
+    team_id SERIAL PRIMARY KEY,
+    team_lead_id INT REFERENCES users(user_id) ON DELETE SET NULL,
+    volunteer_id INT REFERENCES users(user_id) ON DELETE SET NULL,
+    created_at TIMESTAMP DEFAULT NOW(),
+    updated_at TIMESTAMP DEFAULT NOW()
+);
+
+CREATE TABLE admin_volunteers (
+    admin_id INT REFERENCES users(user_id) ON DELETE CASCADE,
+    volunteer_id INT REFERENCES users(user_id) ON DELETE CASCADE,
+    is_active BOOLEAN DEFAULT TRUE,
+    created_at TIMESTAMP DEFAULT NOW(),
+    updated_at TIMESTAMP DEFAULT NOW(),
+    PRIMARY KEY (admin_id, volunteer_id)
+);
+
+CREATE TABLE appointment (
+    sched_id SERIAL PRIMARY KEY,
+    user_id INT REFERENCES users(user_id) ON DELETE CASCADE,
+    address_id INT REFERENCES address_database(address_id) ON DELETE CASCADE,
+    appointment_date DATE,
+    appointment_time TIME,
+    created_at TIMESTAMP DEFAULT NOW(),
+    updated_at TIMESTAMP DEFAULT NOW()
+);
+
+CREATE TABLE poll(
+    poll_id          SERIAL PRIMARY KEY,
+    user_id          INTEGER REFERENCES users ON DELETE CASCADE,
+    address_id       INTEGER REFERENCES address_database ON DELETE CASCADE,
+    donation_amount  integer default 0,
+    is_active        BOOLEAN DEFAULT TRUE,
+    created_at       TIMESTAMP DEFAULT NOW(),
+    updated_at       TIMESTAMP DEFAULT NOW()
+);
+
+CREATE TABLE poll_response
+(
+    poll_response_id         SERIAL PRIMARY KEY,
+    poll_id                  INTEGER REFERENCES poll(poll_id) ON DELETE CASCADE,
+    respondent_postal_code   VARCHAR(10),        -- Postal code of respondent
+    question1_voted_before   BOOLEAN,            -- Have you voted before?
+    question2_vote_again     BOOLEAN,            -- Will you vote again for this candidate?
+    question3_lawn_signs     INTEGER DEFAULT 0,   -- How many lawn signs needed
+    question4_banner_signs   INTEGER DEFAULT 0,   -- How many banner signs needed
+    question5_thoughts       TEXT,               -- Write your thoughts
+    signage_status          VARCHAR(50) DEFAULT 'requested' CHECK (signage_status IN ('requested', 'delivered', 'cancelled')),
+    is_active               BOOLEAN DEFAULT TRUE,
+    created_at              TIMESTAMP DEFAULT NOW(),
+    updated_at              TIMESTAMP DEFAULT NOW()
+);
+
+CREATE TABLE post (
+    post_id SERIAL PRIMARY KEY,
+    author_id INT REFERENCES users(user_id) ON DELETE CASCADE,
+    content TEXT,
+    image_url TEXT,
+    created_at TIMESTAMP DEFAULT NOW()
+);
+
+CREATE TABLE availability (
+    availability_id SERIAL PRIMARY KEY,
+    user_id INT REFERENCES users(user_id) ON DELETE CASCADE,
+    day_of_week VARCHAR(20),
+    start_time TIME,
+    end_time TIME,
+    created_at TIMESTAMP DEFAULT NOW()
+);
+
+-- Indexes for better performance
+CREATE INDEX idx_poll_response_poll_id ON poll_response(poll_id);
+CREATE INDEX idx_poll_response_postal_code ON poll_response(respondent_postal_code);
+CREATE INDEX idx_poll_response_signage_status ON poll_response(signage_status);
+CREATE INDEX idx_poll_user_id ON poll(user_id);
+
+-- Function to generate a 6-character random admin code
+CREATE OR REPLACE FUNCTION generate_admin_code()
+RETURNS trigger AS $$
+BEGIN
+    IF (SELECT name FROM role WHERE role_id = NEW.role_id) = 'admin' THEN
+        NEW.admin_code := substring(md5(random()::text) FROM 1 FOR 6);
+    ELSE
+        NEW.admin_code := NULL;
+    END IF;
+    RETURN NEW;
+END;
+$$ LANGUAGE plpgsql;
+
+-- Trigger to automatically generate admin_code on INSERT
+CREATE TRIGGER set_admin_code
+BEFORE INSERT ON users
+FOR EACH ROW
+EXECUTE PROCEDURE generate_admin_code();
+
+
+INSERT INTO role (role_id, name) VALUES
+(1, 'admin'),
+(2, 'team_lead'),
+(3, 'volunteer')
+ON CONFLICT DO NOTHING;