feat: versão 1.5 - CRM Beta com leads, funis, campanhas e portal do cliente

postgres/migrations/020_create_crm_funnels.sql

@@ -0,0 +1,65 @@
+-- Migration: Create CRM funnels and stages
+-- Description: Allows agencies to create custom lead monitoring pipelines
+
+CREATE TABLE IF NOT EXISTS crm_funnels (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    tenant_id UUID NOT NULL REFERENCES tenants(id) ON DELETE CASCADE,
+    name VARCHAR(100) NOT NULL,
+    description TEXT,
+    is_default BOOLEAN DEFAULT false,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    
+    CONSTRAINT unique_funnel_per_tenant UNIQUE (tenant_id, name)
+);
+
+CREATE TABLE IF NOT EXISTS crm_funnel_stages (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    funnel_id UUID NOT NULL REFERENCES crm_funnels(id) ON DELETE CASCADE,
+    name VARCHAR(100) NOT NULL,
+    description TEXT,
+    color VARCHAR(7) DEFAULT '#3b82f6',
+    order_index INTEGER NOT NULL DEFAULT 0,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);
+
+-- Add funnel and stage to leads
+ALTER TABLE crm_leads 
+ADD COLUMN funnel_id UUID REFERENCES crm_funnels(id) ON DELETE SET NULL,
+ADD COLUMN stage_id UUID REFERENCES crm_funnel_stages(id) ON DELETE SET NULL;
+
+-- Indices
+CREATE INDEX idx_crm_funnels_tenant_id ON crm_funnels(tenant_id);
+CREATE INDEX idx_crm_funnel_stages_funnel_id ON crm_funnel_stages(funnel_id);
+CREATE INDEX idx_crm_leads_funnel_id ON crm_leads(funnel_id);
+CREATE INDEX idx_crm_leads_stage_id ON crm_leads(stage_id);
+
+-- Triggers for updated_at
+CREATE TRIGGER update_crm_funnels_updated_at BEFORE UPDATE ON crm_funnels
+    FOR EACH ROW EXECUTE FUNCTION update_updated_at_column();
+
+CREATE TRIGGER update_crm_funnel_stages_updated_at BEFORE UPDATE ON crm_funnel_stages
+    FOR EACH ROW EXECUTE FUNCTION update_updated_at_column();
+
+-- Function to create default funnel for a tenant
+CREATE OR REPLACE FUNCTION create_default_crm_funnel(t_id UUID)
+RETURNS UUID AS $$
+DECLARE
+    f_id UUID;
+BEGIN
+    INSERT INTO crm_funnels (tenant_id, name, description, is_default)
+    VALUES (t_id, 'Funil de Vendas Padrão', 'Monitoramento básico de leads', true)
+    RETURNING id INTO f_id;
+
+    INSERT INTO crm_funnel_stages (funnel_id, name, color, order_index) VALUES
+    (f_id, 'Novo', '#3b82f6', 0),
+    (f_id, 'Qualificado', '#10b981', 1),
+    (f_id, 'Proposta', '#f59e0b', 2),
+    (f_id, 'Negociação', '#8b5cf6', 3),
+    (f_id, 'Fechado', '#10b981', 4),
+    (f_id, 'Perdido', '#ef4444', 5);
+
+    RETURN f_id;
+END;
+$$ LANGUAGE plpgsql;