added new exchanges system

database/postgres/init/04-provider-exchange-mapping-schema.sql

@@ -0,0 +1,73 @@
+-- Enhanced Schema with Provider Exchange Mappings
+-- Connect to trading_bot database
+\c trading_bot;
+
+-- First, rename is_active to active in existing tables
+ALTER TABLE IF EXISTS exchanges RENAME COLUMN is_active TO active;
+ALTER TABLE IF EXISTS symbols RENAME COLUMN is_active TO active;
+
+-- Provider Exchange Mappings Table
+-- Maps provider-specific exchange codes to our master exchanges
+CREATE TABLE IF NOT EXISTS provider_exchange_mappings (
+    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+    provider VARCHAR(50) NOT NULL,              -- 'qm', 'eod', 'ib', etc.
+    provider_exchange_code VARCHAR(50) NOT NULL, -- Provider's exchange code: 'NYE', 'US', 'NASDAQ'
+    provider_exchange_name VARCHAR(255),        -- Provider's exchange name
+    master_exchange_id UUID REFERENCES exchanges(id),
+    country_code CHAR(2),                       -- Provider's country code
+    currency CHAR(3),                           -- Provider's currency
+    confidence DECIMAL(3,2) DEFAULT 0.8,       -- Mapping confidence (0.0 to 1.0)
+    active BOOLEAN DEFAULT false,               -- Manual activation flag
+    verified BOOLEAN DEFAULT false,             -- Manually verified flag
+    auto_mapped BOOLEAN DEFAULT true,           -- Was this auto-created by sync?
+    created_at TIMESTAMP DEFAULT NOW(),
+    updated_at TIMESTAMP DEFAULT NOW(),
+    UNIQUE(provider, provider_exchange_code)
+);
+
+-- Create indexes for provider exchange mappings
+CREATE INDEX IF NOT EXISTS idx_provider_exchange_mappings_provider ON provider_exchange_mappings(provider);
+CREATE INDEX IF NOT EXISTS idx_provider_exchange_mappings_master ON provider_exchange_mappings(master_exchange_id);
+CREATE INDEX IF NOT EXISTS idx_provider_exchange_mappings_active ON provider_exchange_mappings(provider, active);
+
+-- Update existing exchanges to be inactive by default (for new syncs)
+-- But preserve any existing active status
+-- This only affects future INSERTs, not existing data
+
+-- Add some useful views for management
+CREATE OR REPLACE VIEW exchange_provider_summary AS
+SELECT 
+    e.code as master_code,
+    e.name as master_name,
+    e.country,
+    e.currency,
+    e.active as master_active,
+    COUNT(pem.id) as provider_mappings,
+    COUNT(CASE WHEN pem.active = true THEN 1 END) as active_mappings,
+    COUNT(CASE WHEN pem.verified = true THEN 1 END) as verified_mappings,
+    STRING_AGG(DISTINCT pem.provider, ', ') as providers
+FROM exchanges e
+LEFT JOIN provider_exchange_mappings pem ON e.id = pem.master_exchange_id
+GROUP BY e.id, e.code, e.name, e.country, e.currency, e.active
+ORDER BY e.code;
+
+CREATE OR REPLACE VIEW provider_exchange_details AS
+SELECT 
+    pem.provider,
+    pem.provider_exchange_code,
+    pem.provider_exchange_name,
+    pem.country_code,
+    pem.currency,
+    pem.active,
+    pem.verified,
+    pem.auto_mapped,
+    pem.confidence,
+    e.code as master_exchange_code,
+    e.name as master_exchange_name,
+    e.active as master_active
+FROM provider_exchange_mappings pem
+JOIN exchanges e ON pem.master_exchange_id = e.id
+ORDER BY pem.provider, pem.provider_exchange_code;
+
+-- Show what we created
+SELECT 'Enhanced provider exchange mapping schema created' as status;