feat(backend): Day 5 - backend basic architecture setup completed

2025-10-10 15:56:45 +08:00
parent 1fac0b5cbf
commit 39e14cfb97
14 changed files with 3616 additions and 26 deletions
--- a/backend/prisma/migrations/20251010075003_init/migration.sql
+++ b/backend/prisma/migrations/20251010075003_init/migration.sql
@@ -0,0 +1,203 @@
+-- CreateTable
+CREATE TABLE "users" (
+    "id" TEXT NOT NULL,
+    "email" TEXT NOT NULL,
+    "password" TEXT NOT NULL,
+    "name" TEXT,
+    "avatar_url" TEXT,
+    "role" TEXT NOT NULL DEFAULT 'user',
+    "status" TEXT NOT NULL DEFAULT 'active',
+    "kb_quota" INTEGER NOT NULL DEFAULT 3,
+    "kb_used" INTEGER NOT NULL DEFAULT 0,
+    "trial_ends_at" TIMESTAMP(3),
+    "is_trial" BOOLEAN NOT NULL DEFAULT true,
+    "last_login_at" TIMESTAMP(3),
+    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updated_at" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "users_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "projects" (
+    "id" TEXT NOT NULL,
+    "user_id" TEXT NOT NULL,
+    "name" TEXT NOT NULL,
+    "description" TEXT NOT NULL,
+    "conversation_count" INTEGER NOT NULL DEFAULT 0,
+    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updated_at" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "projects_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "conversations" (
+    "id" TEXT NOT NULL,
+    "user_id" TEXT NOT NULL,
+    "project_id" TEXT,
+    "agent_id" TEXT NOT NULL,
+    "title" TEXT NOT NULL,
+    "model_name" TEXT NOT NULL DEFAULT 'deepseek-v3',
+    "message_count" INTEGER NOT NULL DEFAULT 0,
+    "total_tokens" INTEGER NOT NULL DEFAULT 0,
+    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updated_at" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "conversations_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "messages" (
+    "id" TEXT NOT NULL,
+    "conversation_id" TEXT NOT NULL,
+    "role" TEXT NOT NULL,
+    "content" TEXT NOT NULL,
+    "metadata" JSONB,
+    "tokens" INTEGER,
+    "is_pinned" BOOLEAN NOT NULL DEFAULT false,
+    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    CONSTRAINT "messages_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "knowledge_bases" (
+    "id" TEXT NOT NULL,
+    "user_id" TEXT NOT NULL,
+    "name" TEXT NOT NULL,
+    "description" TEXT,
+    "dify_dataset_id" TEXT NOT NULL,
+    "file_count" INTEGER NOT NULL DEFAULT 0,
+    "total_size_bytes" BIGINT NOT NULL DEFAULT 0,
+    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updated_at" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "knowledge_bases_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "documents" (
+    "id" TEXT NOT NULL,
+    "kb_id" TEXT NOT NULL,
+    "user_id" TEXT NOT NULL,
+    "filename" TEXT NOT NULL,
+    "file_type" TEXT NOT NULL,
+    "file_size_bytes" BIGINT NOT NULL,
+    "file_url" TEXT NOT NULL,
+    "dify_document_id" TEXT NOT NULL,
+    "status" TEXT NOT NULL DEFAULT 'uploading',
+    "progress" INTEGER NOT NULL DEFAULT 0,
+    "error_message" TEXT,
+    "segments_count" INTEGER,
+    "tokens_count" INTEGER,
+    "uploaded_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "processed_at" TIMESTAMP(3),
+
+    CONSTRAINT "documents_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "admin_logs" (
+    "id" SERIAL NOT NULL,
+    "admin_id" TEXT NOT NULL,
+    "action" TEXT NOT NULL,
+    "resource_type" TEXT,
+    "resource_id" TEXT,
+    "details" JSONB,
+    "ip_address" TEXT,
+    "user_agent" TEXT,
+    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    CONSTRAINT "admin_logs_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateIndex
+CREATE UNIQUE INDEX "users_email_key" ON "users"("email");
+
+-- CreateIndex
+CREATE INDEX "users_email_idx" ON "users"("email");
+
+-- CreateIndex
+CREATE INDEX "users_status_idx" ON "users"("status");
+
+-- CreateIndex
+CREATE INDEX "users_created_at_idx" ON "users"("created_at");
+
+-- CreateIndex
+CREATE INDEX "projects_user_id_idx" ON "projects"("user_id");
+
+-- CreateIndex
+CREATE INDEX "projects_created_at_idx" ON "projects"("created_at");
+
+-- CreateIndex
+CREATE INDEX "conversations_user_id_idx" ON "conversations"("user_id");
+
+-- CreateIndex
+CREATE INDEX "conversations_project_id_idx" ON "conversations"("project_id");
+
+-- CreateIndex
+CREATE INDEX "conversations_agent_id_idx" ON "conversations"("agent_id");
+
+-- CreateIndex
+CREATE INDEX "conversations_created_at_idx" ON "conversations"("created_at");
+
+-- CreateIndex
+CREATE INDEX "messages_conversation_id_idx" ON "messages"("conversation_id");
+
+-- CreateIndex
+CREATE INDEX "messages_created_at_idx" ON "messages"("created_at");
+
+-- CreateIndex
+CREATE INDEX "messages_is_pinned_idx" ON "messages"("is_pinned");
+
+-- CreateIndex
+CREATE INDEX "knowledge_bases_user_id_idx" ON "knowledge_bases"("user_id");
+
+-- CreateIndex
+CREATE INDEX "knowledge_bases_dify_dataset_id_idx" ON "knowledge_bases"("dify_dataset_id");
+
+-- CreateIndex
+CREATE INDEX "documents_kb_id_idx" ON "documents"("kb_id");
+
+-- CreateIndex
+CREATE INDEX "documents_user_id_idx" ON "documents"("user_id");
+
+-- CreateIndex
+CREATE INDEX "documents_status_idx" ON "documents"("status");
+
+-- CreateIndex
+CREATE INDEX "documents_dify_document_id_idx" ON "documents"("dify_document_id");
+
+-- CreateIndex
+CREATE INDEX "admin_logs_admin_id_idx" ON "admin_logs"("admin_id");
+
+-- CreateIndex
+CREATE INDEX "admin_logs_created_at_idx" ON "admin_logs"("created_at");
+
+-- CreateIndex
+CREATE INDEX "admin_logs_action_idx" ON "admin_logs"("action");
+
+-- AddForeignKey
+ALTER TABLE "projects" ADD CONSTRAINT "projects_user_id_fkey" FOREIGN KEY ("user_id") REFERENCES "users"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "conversations" ADD CONSTRAINT "conversations_user_id_fkey" FOREIGN KEY ("user_id") REFERENCES "users"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "conversations" ADD CONSTRAINT "conversations_project_id_fkey" FOREIGN KEY ("project_id") REFERENCES "projects"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "messages" ADD CONSTRAINT "messages_conversation_id_fkey" FOREIGN KEY ("conversation_id") REFERENCES "conversations"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "knowledge_bases" ADD CONSTRAINT "knowledge_bases_user_id_fkey" FOREIGN KEY ("user_id") REFERENCES "users"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "documents" ADD CONSTRAINT "documents_kb_id_fkey" FOREIGN KEY ("kb_id") REFERENCES "knowledge_bases"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "documents" ADD CONSTRAINT "documents_user_id_fkey" FOREIGN KEY ("user_id") REFERENCES "users"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "admin_logs" ADD CONSTRAINT "admin_logs_admin_id_fkey" FOREIGN KEY ("admin_id") REFERENCES "users"("id") ON DELETE CASCADE ON UPDATE CASCADE;
--- a/backend/prisma/migrations/migration_lock.toml
+++ b/backend/prisma/migrations/migration_lock.toml
@@ -0,0 +1,3 @@
+# Please do not edit this file manually
+# It should be added in your version-control system (e.g., Git)
+provider = "postgresql"