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prisma/migrations/20250331000000_create_tarefas_schema.sql

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+-- CreateEnum
+CREATE TYPE IF NOT EXISTS "StatusTarefa" AS ENUM ('PENDENTE', 'EM_ANDAMENTO', 'CONCLUIDA', 'CANCELADA');
+CREATE TYPE IF NOT EXISTS "PrioridadeTarefa" AS ENUM ('BAIXA', 'MEDIA', 'ALTA', 'URGENTE');
+
+-- Tarefas first (parent table)
+CREATE TABLE IF NOT EXISTS "tarefas" (
+    "id" UUID NOT NULL DEFAULT gen_random_uuid(),
+    "titulo" TEXT NOT NULL,
+    "descricao" TEXT,
+    "status" "StatusTarefa" NOT NULL,
+    "prioridade" "PrioridadeTarefa" NOT NULL,
+    "dataInicio" TIMESTAMP(3) NOT NULL,
+    "dataVencimento" TIMESTAMP(3) NOT NULL,
+    "progresso" INTEGER NOT NULL DEFAULT 0,
+    "responsavelId" UUID NOT NULL,
+    "criadoPorId" UUID NOT NULL,
+    "processoId" UUID,
+    "clienteId" UUID,
+    "etiquetas" TEXT[],
+    "criadoEm" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "atualizadoEm" TIMESTAMP(3) NOT NULL,
+    CONSTRAINT "tarefas_pkey" PRIMARY KEY ("id"),
+    CONSTRAINT "tarefas_responsavelId_fkey" 
+        FOREIGN KEY ("responsavelId") REFERENCES "usuarios"("id"),
+    CONSTRAINT "tarefas_criadoPorId_fkey" 
+        FOREIGN KEY ("criadoPorId") REFERENCES "usuarios"("id"),
+    CONSTRAINT "tarefas_clienteId_fkey" 
+        FOREIGN KEY ("clienteId") REFERENCES "clientes"("id")
+);
+
+-- Then child tables
+CREATE TABLE IF NOT EXISTS "subtarefas" (
+    "id" UUID NOT NULL DEFAULT gen_random_uuid(),
+    "titulo" TEXT NOT NULL,
+    "concluida" BOOLEAN NOT NULL DEFAULT false,
+    "tarefaId" UUID NOT NULL,
+    CONSTRAINT "subtarefas_pkey" PRIMARY KEY ("id"),
+    CONSTRAINT "subtarefas_tarefaId_fkey" 
+        FOREIGN KEY ("tarefaId") REFERENCES "tarefas"("id") ON DELETE CASCADE
+);
+
+CREATE TABLE IF NOT EXISTS "comentarios" (
+    "id" UUID NOT NULL DEFAULT gen_random_uuid(),
+    "texto" TEXT NOT NULL,
+    "criadoPorId" UUID NOT NULL,
+    "tarefaId" UUID NOT NULL,
+    "criadoEm" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    CONSTRAINT "comentarios_pkey" PRIMARY KEY ("id"),
+    CONSTRAINT "comentarios_criadoPorId_fkey" 
+        FOREIGN KEY ("criadoPorId") REFERENCES "usuarios"("id"),
+    CONSTRAINT "comentarios_tarefaId_fkey" 
+        FOREIGN KEY ("tarefaId") REFERENCES "tarefas"("id") ON DELETE CASCADE
+);
+
+CREATE TABLE IF NOT EXISTS "anexos" (
+    "id" UUID NOT NULL DEFAULT gen_random_uuid(),
+    "nome" TEXT NOT NULL,
+    "url" TEXT NOT NULL,
+    "tipo" TEXT NOT NULL,
+    "tamanho" INTEGER NOT NULL,
+    "tarefaId" UUID NOT NULL,
+    "criadoEm" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    CONSTRAINT "anexos_pkey" PRIMARY KEY ("id"),
+    CONSTRAINT "anexos_tarefaId_fkey" 
+        FOREIGN KEY ("tarefaId") REFERENCES "tarefas"("id") ON DELETE CASCADE
+);
+
+-- Add foreign key for processos after it exists
+DO $$ 
+BEGIN
+    IF EXISTS (
+        SELECT 1 FROM information_schema.tables 
+        WHERE table_name = 'processos'
+    ) THEN
+        ALTER TABLE "tarefas" 
+        ADD CONSTRAINT "tarefas_processoId_fkey" 
+        FOREIGN KEY ("processoId") 
+        REFERENCES "processos"("id");
+    END IF;
+END $$;
+
+-- Indexes
+CREATE INDEX IF NOT EXISTS "tarefas_responsavelId_idx" ON "tarefas"("responsavelId");
+CREATE INDEX IF NOT EXISTS "tarefas_criadoPorId_idx" ON "tarefas"("criadoPorId");
+CREATE INDEX IF NOT EXISTS "tarefas_processoId_idx" ON "tarefas"("processoId");
+CREATE INDEX IF NOT EXISTS "tarefas_clienteId_idx" ON "tarefas"("clienteId");