Updated DB schema
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Soham Chari
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250
db/schema.sql
250
db/schema.sql
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@ -7,6 +7,7 @@ CREATE TABLE IF NOT EXISTS users (
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id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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name VARCHAR(255) NOT NULL,
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phone VARCHAR(50) UNIQUE NOT NULL,
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location_id UUID NULL,
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created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
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updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
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);
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@ -22,29 +23,98 @@ CREATE TABLE IF NOT EXISTS breeds (
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id SERIAL PRIMARY KEY,
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species_id INT NOT NULL REFERENCES species(id) ON DELETE RESTRICT,
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name VARCHAR(100) NOT NULL,
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description TEXT,
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description_text TEXT,
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description_media_url TEXT,
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created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
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updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
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updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
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-- Constraint: Only one type of description should be allowed
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CONSTRAINT chk_description_type CHECK (
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(description_text IS NOT NULL AND description_media_url IS NULL)
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OR (description_text IS NULL AND description_media_url IS NOT NULL)
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OR (description_text IS NULL AND description_media_url IS NULL)
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)
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);
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CREATE TABLE IF NOT EXISTS locations (
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-------------------------------------------------------
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-- ENUM for location type
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-------------------------------------------------------
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CREATE TYPE location_type_enum AS ENUM ('farm', 'home', 'other');
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CREATE TYPE location_source_type_enum AS ENUM (
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'gps',
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'manual',
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'imported',
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'unknown'
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);
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CREATE TABLE IF NOT EXISTS location_details (
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id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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user_id UUID REFERENCES users(id) ON DELETE SET NULL,
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is_saved_address BOOLEAN NOT NULL DEFAULT FALSE,
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location_type VARCHAR(50),
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location_type location_type_enum NOT NULL,
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country VARCHAR(100),
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state VARCHAR(100),
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district VARCHAR(100),
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city_village VARCHAR(150),
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pincode VARCHAR(20),
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lat DECIMAL(10,7),
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lng DECIMAL(10,7),
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source_type VARCHAR(50) NOT NULL DEFAULT 'unknown',
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source_type location_source_type_enum NOT NULL DEFAULT 'unknown',
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source_confidence VARCHAR(50) NOT NULL DEFAULT 'medium',
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created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
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updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
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);
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CREATE TABLE IF NOT EXISTS user_locations (
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id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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user_id UUID NOT NULL REFERENCES users(id) ON DELETE CASCADE,
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lat DECIMAL(10,7) NOT NULL,
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lng DECIMAL(10,7) NOT NULL,
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location_detail_id UUID UNIQUE REFERENCES location_details(id) ON DELETE SET NULL,
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selected_location BOOLEAN NOT NULL DEFAULT FALSE,
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created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
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);
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-- Selected location is unique per user, so this trigger ensures that only one location is selected per user
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CREATE OR REPLACE FUNCTION enforce_single_selected_location()
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RETURNS trigger AS $$
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BEGIN
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-- When changing a location to selected (only act if actually setting to TRUE)
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IF NEW.selected_location = TRUE THEN
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-- Unselect all other locations for this user (excluding the current row)
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UPDATE user_locations
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SET selected_location = FALSE
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WHERE user_id = NEW.user_id
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AND id <> NEW.id
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AND selected_location = TRUE;
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END IF;
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RETURN NEW;
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END;
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$$ LANGUAGE plpgsql;
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CREATE TRIGGER trg_single_selected_location
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BEFORE INSERT OR UPDATE ON user_locations
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FOR EACH ROW
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EXECUTE FUNCTION enforce_single_selected_location();
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-------------------------------------------------------
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-- Add FK constraint after both tables exist
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-------------------------------------------------------
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ALTER TABLE users
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ADD CONSTRAINT fk_users_location
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FOREIGN KEY (location_id)
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REFERENCES user_locations(id)
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ON DELETE SET NULL;
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-------------------------------------------------------
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-- Indexes
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-------------------------------------------------------
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CREATE INDEX idx_user_locations_user ON user_locations(user_id);
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CREATE INDEX idx_user_locations_selected ON user_locations(selected_location);
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CREATE INDEX idx_location_details_type ON location_details(location_type);
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CREATE INDEX idx_user_locations_location_detail ON user_locations(location_detail_id);
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CREATE TABLE IF NOT EXISTS animals (
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id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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species_id INT NOT NULL REFERENCES species(id) ON DELETE RESTRICT,
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@ -64,12 +134,42 @@ CREATE TABLE IF NOT EXISTS animals (
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ear_tag_no VARCHAR(100),
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description TEXT,
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suggested_care TEXT,
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location_id UUID REFERENCES locations(id) ON DELETE SET NULL,
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location_id UUID REFERENCES user_locations(id) ON DELETE SET NULL,
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created_from VARCHAR(50) NOT NULL,
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created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
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updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
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);
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CREATE TYPE listing_status_enum AS ENUM (
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'active',
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'expired',
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'hidden',
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'sold',
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'deleted'
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);
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CREATE TYPE listing_score_status_enum AS ENUM (
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'pending',
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'calculating',
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'completed',
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'failed'
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);
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CREATE TYPE listing_type_enum AS ENUM (
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'sale',
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'stud_service',
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'adoption',
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'other'
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);
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CREATE TYPE seller_type_enum AS ENUM (
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'owner',
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'farmer',
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'broker',
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'agent',
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'other'
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);
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CREATE TABLE IF NOT EXISTS listings (
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id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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seller_id UUID NOT NULL REFERENCES users(id) ON DELETE RESTRICT,
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@ -78,15 +178,16 @@ CREATE TABLE IF NOT EXISTS listings (
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price NUMERIC(12,2) NOT NULL,
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currency VARCHAR(10) NOT NULL,
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is_negotiable BOOLEAN NOT NULL DEFAULT TRUE,
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listing_type VARCHAR(50) NOT NULL,
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status VARCHAR(50) NOT NULL DEFAULT 'active',
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listing_type listing_type_enum NOT NULL,
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status listing_status_enum NOT NULL DEFAULT 'active',
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listing_score INT NOT NULL DEFAULT 0,
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views_count INT NOT NULL DEFAULT 0,
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bookmarks_count INT NOT NULL DEFAULT 0,
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enquiries_call_count INT NOT NULL DEFAULT 0,
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enquiries_whatsapp_count INT NOT NULL DEFAULT 0,
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clicks_count INT NOT NULL DEFAULT 0,
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listing_score_status VARCHAR(50) NOT NULL DEFAULT 'pending',
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listing_score_status listing_score_status_enum NOT NULL DEFAULT 'pending',
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seller_type seller_type_enum NOT NULL DEFAULT 'owner',
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created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
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updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
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);
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@ -112,3 +213,128 @@ CREATE TABLE IF NOT EXISTS custom_requirements (
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updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
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);
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CREATE TYPE message_type_enum AS ENUM ('text', 'media', 'both');
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CREATE TYPE media_type_enum AS ENUM ('image', 'video', 'audio', 'document');
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CREATE TABLE conversations (
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id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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buyer_id UUID NOT NULL,
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seller_id UUID NOT NULL,
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created_at TIMESTAMP NOT NULL DEFAULT NOW(),
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updated_at TIMESTAMP NOT NULL DEFAULT NOW(),
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CONSTRAINT fk_conversation_buyer
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FOREIGN KEY (buyer_id) REFERENCES users(id),
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CONSTRAINT fk_conversation_seller
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FOREIGN KEY (seller_id) REFERENCES users(id),
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CONSTRAINT unique_buyer_seller UNIQUE (buyer_id, seller_id)
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);
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CREATE TABLE conversation_media (
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id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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media_type media_type_enum NOT NULL, -- image | video | audio | document
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media_url TEXT NOT NULL,
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thumbnail_url TEXT NULL,
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duration_sec INT NULL, -- audio/video only
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file_size_kb INT NULL,
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created_at TIMESTAMP NOT NULL DEFAULT NOW(),
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updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
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);
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CREATE TABLE messages (
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id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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conversation_id UUID NOT NULL,
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sender_id UUID NOT NULL,
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receiver_id UUID NOT NULL,
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message_type message_type_enum NOT NULL DEFAULT 'text',
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content TEXT NULL, -- nullable for media-only messages
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media_id UUID UNIQUE, -- FK for media, enforce 1:1 relationship
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is_read BOOLEAN NOT NULL DEFAULT FALSE,
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read_at TIMESTAMP NULL,
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created_at TIMESTAMP NOT NULL DEFAULT NOW(),
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is_deleted BOOLEAN NOT NULL DEFAULT FALSE,
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CONSTRAINT fk_message_conversation
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FOREIGN KEY (conversation_id) REFERENCES conversations(id)
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ON DELETE CASCADE,
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CONSTRAINT fk_message_sender
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FOREIGN KEY (sender_id) REFERENCES users(id),
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CONSTRAINT fk_message_receiver
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FOREIGN KEY (receiver_id) REFERENCES users(id),
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CONSTRAINT fk_message_media
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FOREIGN KEY (media_id) REFERENCES conversation_media(id)
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ON DELETE SET NULL,
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-- Ensures consistency between message_type and media usage
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CONSTRAINT chk_message_media_relation CHECK (
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(message_type = 'text' AND media_id IS NULL) OR
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(message_type = 'media' AND media_id IS NOT NULL AND content IS NULL) OR
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(message_type = 'both' AND media_id IS NOT NULL AND content IS NOT NULL)
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)
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);
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CREATE INDEX idx_conversations_buyer ON conversations(buyer_id);
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CREATE INDEX idx_conversations_seller ON conversations(seller_id);
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CREATE INDEX idx_messages_conversation ON messages(conversation_id);
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CREATE INDEX idx_messages_sender ON messages(sender_id);
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CREATE INDEX idx_messages_media ON messages(media_id);
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CREATE TYPE communication_type_enum AS ENUM ('call', 'missed_call', 'voicemail');
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CREATE TYPE call_status_enum AS ENUM (
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'initiated',
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'ringing',
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'answered',
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'completed',
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'failed',
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'busy',
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'no_answer'
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);
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CREATE TABLE communication_records (
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communication_id BIGSERIAL PRIMARY KEY,
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conversation_id UUID NOT NULL, -- Conversation this communication belongs to
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buyer_id UUID NOT NULL, -- Buyer involved
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seller_id UUID NOT NULL, -- Seller involved
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request_id UUID NULL, -- Optional: Buy request this communication refers to
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communication_type communication_type_enum NOT NULL,
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cpaas_call_id VARCHAR(100) NULL, -- Reference ID returned by CPaaS provider
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call_status call_status_enum NOT NULL,
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start_time TIMESTAMP NULL, -- Time CPaaS initiated call
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end_time TIMESTAMP NULL, -- Time call ended
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duration_seconds INT DEFAULT 0, -- Duration calculated
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recording_url TEXT NULL, -- Optional CPaaS recording URL
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metadata JSON NULL, -- Any extra payload
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created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
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-- Foreign Keys
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CONSTRAINT fk_comm_conversation
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FOREIGN KEY (conversation_id)
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REFERENCES conversations(id)
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ON DELETE CASCADE,
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CONSTRAINT fk_comm_buyer
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FOREIGN KEY (buyer_id)
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REFERENCES users(id)
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ON DELETE CASCADE,
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CONSTRAINT fk_comm_seller
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FOREIGN KEY (seller_id)
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REFERENCES users(id)
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ON DELETE CASCADE
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);
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