mirror of
https://gitee.com/an-tao/drogon.git
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1214 lines
43 KiB
C++
1214 lines
43 KiB
C++
/**
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*
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* create_model.cc
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* An Tao
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*
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* Copyright 2018, An Tao. All rights reserved.
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* https://github.com/an-tao/drogon
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* Use of this source code is governed by a MIT license
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* that can be found in the License file.
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*
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* Drogon
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*
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*/
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#include "create_model.h"
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#include "cmd.h"
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#include <drogon/config.h>
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#include <drogon/utils/Utilities.h>
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#include <drogon/HttpViewData.h>
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#include <drogon/DrTemplateBase.h>
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#include <trantor/utils/Logger.h>
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#include <json/json.h>
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#include <iostream>
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#include <fstream>
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#include <regex>
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#include <algorithm>
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#ifndef _WIN32
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#include <unistd.h>
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#include <dirent.h>
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#include <dlfcn.h>
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#else
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#include <io.h>
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#endif
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#include <thread>
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#include <chrono>
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using namespace std::chrono_literals;
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using namespace drogon_ctl;
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static std::string toLower(const std::string &str)
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{
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auto ret = str;
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std::transform(ret.begin(), ret.end(), ret.begin(), tolower);
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return ret;
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}
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static std::map<std::string, std::vector<Relationship>> getRelationships(
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const Json::Value &relationships)
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{
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std::map<std::string, std::vector<Relationship>> ret;
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auto enabled = relationships.get("enabled", false).asBool();
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if (!enabled)
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return ret;
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auto items = relationships["items"];
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if (items.isNull())
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return ret;
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if (!items.isArray())
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{
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std::cerr << "items must be an array\n";
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exit(1);
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}
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for (auto &relationship : items)
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{
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try
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{
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Relationship r(relationship);
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ret[r.originalTableName()].push_back(r);
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if (r.enableReverse() &&
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r.originalTableName() != r.targetTableName())
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{
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auto reverse = r.reverse();
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ret[reverse.originalTableName()].push_back(reverse);
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}
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}
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catch (const std::runtime_error &e)
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{
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std::cerr << e.what() << std::endl;
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exit(1);
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}
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}
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return ret;
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}
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#if USE_POSTGRESQL
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void create_model::createModelClassFromPG(
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const std::string &path,
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const DbClientPtr &client,
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const std::string &tableName,
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const std::string &schema,
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const Json::Value &restfulApiConfig,
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const std::vector<Relationship> &relationships)
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{
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auto className = nameTransform(tableName, true);
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HttpViewData data;
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data["className"] = className;
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data["tableName"] = toLower(tableName);
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data["hasPrimaryKey"] = (int)0;
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data["primaryKeyName"] = "";
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data["dbName"] = dbname_;
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data["rdbms"] = std::string("postgresql");
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data["relationships"] = relationships;
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if (schema != "public")
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{
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data["schema"] = schema;
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}
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std::vector<ColumnInfo> cols;
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*client << "SELECT * \
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FROM information_schema.columns \
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WHERE table_schema = $1 \
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AND table_name = $2"
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<< schema << tableName << Mode::Blocking >>
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[&](const Result &r) {
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if (r.size() == 0)
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{
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std::cout << " ---Can't create model from the table "
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<< tableName
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<< ", please check privileges on the table."
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<< std::endl;
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return;
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}
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for (size_t i = 0; i < r.size(); ++i)
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{
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auto row = r[i];
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ColumnInfo info;
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info.index_ = i;
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info.dbType_ = "pg";
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info.colName_ = row["column_name"].as<std::string>();
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info.colTypeName_ = nameTransform(info.colName_, true);
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info.colValName_ = nameTransform(info.colName_, false);
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auto isNullAble = row["is_nullable"].as<std::string>();
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info.notNull_ = isNullAble == "YES" ? false : true;
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auto type = row["data_type"].as<std::string>();
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info.colDatabaseType_ = type;
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if (type == "smallint")
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{
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info.colType_ = "short";
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info.colLength_ = 2;
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}
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else if (type == "integer")
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{
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info.colType_ = "int32_t";
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info.colLength_ = 4;
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}
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else if (type == "bigint" ||
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type == "numeric") /// TODO:Use int64 to represent
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/// numeric type?
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{
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info.colType_ = "int64_t";
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info.colLength_ = 8;
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}
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else if (type == "real")
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{
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info.colType_ = "float";
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info.colLength_ = sizeof(float);
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}
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else if (type == "double precision")
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{
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info.colType_ = "double";
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info.colLength_ = sizeof(double);
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}
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else if (type == "character varying")
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{
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info.colType_ = "std::string";
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if (!row["character_maximum_length"].isNull())
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info.colLength_ =
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row["character_maximum_length"].as<ssize_t>();
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}
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else if (type == "boolean")
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{
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info.colType_ = "bool";
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info.colLength_ = 1;
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}
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else if (type == "date")
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{
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info.colType_ = "::trantor::Date";
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}
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else if (type.find("timestamp") != std::string::npos)
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{
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info.colType_ = "::trantor::Date";
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}
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else if (type == "bytea")
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{
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info.colType_ = "std::vector<char>";
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}
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else
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{
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info.colType_ = "std::string";
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}
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auto defaultVal = row["column_default"].as<std::string>();
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if (!defaultVal.empty())
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{
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info.hasDefaultVal_ = true;
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if (defaultVal.find("nextval(") == 0)
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{
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info.isAutoVal_ = true;
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}
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}
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cols.push_back(std::move(info));
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}
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} >>
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[](const DrogonDbException &e) {
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std::cerr << e.base().what() << std::endl;
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exit(1);
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};
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size_t pkNumber = 0;
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*client << "SELECT \
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pg_constraint.conname AS pk_name,\
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pg_constraint.conkey AS pk_vector \
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FROM pg_constraint \
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INNER JOIN pg_class ON pg_constraint.conrelid = pg_class.oid \
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WHERE \
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pg_class.relname = $1 \
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AND pg_constraint.contype = 'p'"
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<< tableName << Mode::Blocking >>
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[&](bool isNull,
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const std::string &pkName,
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const std::vector<std::shared_ptr<short>> &pk) {
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if (!isNull)
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{
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pkNumber = pk.size();
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}
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} >>
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[](const DrogonDbException &e) {
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std::cerr << e.base().what() << std::endl;
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exit(1);
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};
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data["hasPrimaryKey"] = (int)pkNumber;
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if (pkNumber == 1)
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{
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*client << "SELECT \
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pg_attribute.attname AS colname,\
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pg_type.typname AS typename,\
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pg_constraint.contype AS contype \
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FROM pg_constraint \
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INNER JOIN pg_class ON pg_constraint.conrelid = pg_class.oid \
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INNER JOIN pg_attribute ON pg_attribute.attrelid = pg_class.oid \
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AND pg_attribute.attnum = pg_constraint.conkey [ 1 ] \
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INNER JOIN pg_type ON pg_type.oid = pg_attribute.atttypid \
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WHERE pg_class.relname = $1 and pg_constraint.contype='p'"
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<< tableName << Mode::Blocking >>
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[&](bool isNull, std::string colName, const std::string &type) {
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if (isNull)
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return;
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data["primaryKeyName"] = colName;
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for (auto &col : cols)
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{
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if (col.colName_ == colName)
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{
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col.isPrimaryKey_ = true;
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data["primaryKeyType"] = col.colType_;
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}
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}
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} >>
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[](const DrogonDbException &e) {
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std::cerr << e.base().what() << std::endl;
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exit(1);
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};
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}
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else if (pkNumber > 1)
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{
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std::vector<std::string> pkNames, pkTypes;
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for (size_t i = 1; i <= pkNumber; ++i)
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{
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*client << "SELECT \
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pg_attribute.attname AS colname,\
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pg_type.typname AS typename,\
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pg_constraint.contype AS contype \
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FROM pg_constraint \
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INNER JOIN pg_class ON pg_constraint.conrelid = pg_class.oid \
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INNER JOIN pg_attribute ON pg_attribute.attrelid = pg_class.oid \
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AND pg_attribute.attnum = pg_constraint.conkey [ $1 ] \
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INNER JOIN pg_type ON pg_type.oid = pg_attribute.atttypid \
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WHERE pg_class.relname = $2 and pg_constraint.contype='p'"
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<< (int)i << tableName << Mode::Blocking >>
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[&](bool isNull, std::string colName, const std::string &type) {
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if (isNull)
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return;
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pkNames.push_back(colName);
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for (auto &col : cols)
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{
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if (col.colName_ == colName)
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{
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col.isPrimaryKey_ = true;
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pkTypes.push_back(col.colType_);
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}
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}
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} >>
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[](const DrogonDbException &e) {
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std::cerr << e.base().what() << std::endl;
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exit(1);
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};
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}
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data["primaryKeyName"] = pkNames;
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data["primaryKeyType"] = pkTypes;
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}
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data["columns"] = cols;
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std::ofstream headerFile(path + "/" + className + ".h", std::ofstream::out);
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std::ofstream sourceFile(path + "/" + className + ".cc",
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std::ofstream::out);
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auto templ = DrTemplateBase::newTemplate("model_h.csp");
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headerFile << templ->genText(data);
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templ = DrTemplateBase::newTemplate("model_cc.csp");
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sourceFile << templ->genText(data);
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createRestfulAPIController(data, restfulApiConfig);
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}
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void create_model::createModelFromPG(
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const std::string &path,
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const DbClientPtr &client,
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const std::string &schema,
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const Json::Value &restfulApiConfig,
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std::map<std::string, std::vector<Relationship>> &relationships)
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{
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*client << "SELECT a.oid,"
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"a.relname AS name,"
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"b.description AS comment "
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"FROM pg_class a "
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"LEFT OUTER JOIN pg_description b ON b.objsubid = 0 AND a.oid = "
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"b.objoid "
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"WHERE a.relnamespace = (SELECT oid FROM pg_namespace WHERE "
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"nspname = $1) "
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"AND a.relkind = 'r' ORDER BY a.relname"
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<< schema << Mode::Blocking >>
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[&](bool isNull,
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size_t oid,
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std::string &&tableName,
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const std::string &comment) {
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if (!isNull)
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{
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std::cout << "table name:" << tableName << std::endl;
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createModelClassFromPG(path,
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client,
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tableName,
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schema,
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restfulApiConfig,
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relationships[tableName]);
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}
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} >>
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[](const DrogonDbException &e) {
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std::cerr << e.base().what() << std::endl;
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exit(1);
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};
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}
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#endif
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#if USE_MYSQL
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void create_model::createModelClassFromMysql(
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const std::string &path,
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const DbClientPtr &client,
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const std::string &tableName,
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const Json::Value &restfulApiConfig,
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const std::vector<Relationship> &relationships)
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{
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auto className = nameTransform(tableName, true);
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HttpViewData data;
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data["className"] = className;
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data["tableName"] = toLower(tableName);
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data["hasPrimaryKey"] = (int)0;
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data["primaryKeyName"] = "";
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data["dbName"] = dbname_;
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data["rdbms"] = std::string("mysql");
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data["relationships"] = relationships;
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std::vector<ColumnInfo> cols;
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int i = 0;
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*client << "desc " + tableName << Mode::Blocking >>
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[&i, &cols](bool isNull,
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const std::string &field,
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const std::string &type,
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const std::string &isNullAble,
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const std::string &key,
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const std::string &defaultVal,
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const std::string &extra) {
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if (!isNull)
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{
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ColumnInfo info;
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info.index_ = i;
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info.dbType_ = "mysql";
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info.colName_ = field;
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info.colTypeName_ = nameTransform(info.colName_, true);
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info.colValName_ = nameTransform(info.colName_, false);
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info.notNull_ = isNullAble == "YES" ? false : true;
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info.colDatabaseType_ = type;
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info.isPrimaryKey_ = key == "PRI" ? true : false;
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if (type.find("tinyint") == 0)
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{
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info.colType_ = "int8_t";
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info.colLength_ = 1;
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}
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else if (type.find("smallint") == 0)
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{
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info.colType_ = "int16_t";
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info.colLength_ = 2;
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}
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else if (type.find("int") == 0)
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{
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info.colType_ = "int32_t";
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info.colLength_ = 4;
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}
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else if (type.find("bigint") == 0)
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{
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info.colType_ = "int64_t";
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info.colLength_ = 8;
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}
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else if (type.find("float") == 0)
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{
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info.colType_ = "float";
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info.colLength_ = sizeof(float);
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}
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else if (type.find("double") == 0)
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{
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info.colType_ = "double";
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info.colLength_ = sizeof(double);
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}
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else if (type.find("date") == 0 || type.find("datetime") == 0 ||
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type.find("timestamp") == 0)
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{
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info.colType_ = "::trantor::Date";
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}
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else if (type.find("blob") != std::string::npos)
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{
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info.colType_ = "std::vector<char>";
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}
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else if (type.find("varchar") != std::string::npos)
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{
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info.colType_ = "std::string";
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auto pos1 = type.find("(");
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auto pos2 = type.find(")");
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if (pos1 != std::string::npos &&
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pos2 != std::string::npos && pos2 - pos1 > 1)
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{
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info.colLength_ =
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std::stoll(type.substr(pos1 + 1, pos2 - pos1 - 1));
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}
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}
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else
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{
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info.colType_ = "std::string";
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}
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if (type.find("unsigned") != std::string::npos)
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{
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info.colType_ = "u" + info.colType_;
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}
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if (!defaultVal.empty())
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{
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info.hasDefaultVal_ = true;
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}
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if (extra.find("auto_") == 0)
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{
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info.isAutoVal_ = true;
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}
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cols.push_back(std::move(info));
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++i;
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}
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} >>
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[](const DrogonDbException &e) {
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std::cerr << e.base().what() << std::endl;
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exit(1);
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};
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std::vector<std::string> pkNames, pkTypes;
|
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for (auto const &col : cols)
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{
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if (col.isPrimaryKey_)
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{
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pkNames.push_back(col.colName_);
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pkTypes.push_back(col.colType_);
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}
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}
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data["hasPrimaryKey"] = (int)pkNames.size();
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if (pkNames.size() == 1)
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{
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data["primaryKeyName"] = pkNames[0];
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data["primaryKeyType"] = pkTypes[0];
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}
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else if (pkNames.size() > 1)
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{
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data["primaryKeyName"] = pkNames;
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data["primaryKeyType"] = pkTypes;
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}
|
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data["columns"] = cols;
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std::ofstream headerFile(path + "/" + className + ".h", std::ofstream::out);
|
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std::ofstream sourceFile(path + "/" + className + ".cc",
|
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std::ofstream::out);
|
|
auto templ = DrTemplateBase::newTemplate("model_h.csp");
|
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headerFile << templ->genText(data);
|
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templ = DrTemplateBase::newTemplate("model_cc.csp");
|
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sourceFile << templ->genText(data);
|
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createRestfulAPIController(data, restfulApiConfig);
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}
|
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void create_model::createModelFromMysql(
|
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const std::string &path,
|
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const DbClientPtr &client,
|
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const Json::Value &restfulApiConfig,
|
|
std::map<std::string, std::vector<Relationship>> &relationships)
|
|
{
|
|
*client << "show tables" << Mode::Blocking >> [&](bool isNull,
|
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std::string &&tableName) {
|
|
if (!isNull)
|
|
{
|
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std::cout << "table name:" << tableName << std::endl;
|
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createModelClassFromMysql(path,
|
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client,
|
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tableName,
|
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restfulApiConfig,
|
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relationships[tableName]);
|
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}
|
|
} >> [](const DrogonDbException &e) {
|
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std::cerr << e.base().what() << std::endl;
|
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exit(1);
|
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};
|
|
}
|
|
#endif
|
|
#if USE_SQLITE3
|
|
void create_model::createModelClassFromSqlite3(
|
|
const std::string &path,
|
|
const DbClientPtr &client,
|
|
const std::string &tableName,
|
|
const Json::Value &restfulApiConfig,
|
|
const std::vector<Relationship> &relationships)
|
|
{
|
|
*client << "SELECT sql FROM sqlite_master WHERE name=? and (type='table' "
|
|
"or type='view');"
|
|
<< tableName << Mode::Blocking >>
|
|
[=](bool isNull, std::string sql) {
|
|
if (!isNull)
|
|
{
|
|
auto pos1 = sql.find('(');
|
|
auto pos2 = sql.rfind(')');
|
|
if (pos1 != std::string::npos && pos2 != std::string::npos)
|
|
{
|
|
sql = sql.substr(pos1 + 1, pos2 - pos1 - 1);
|
|
std::regex r(" *, *");
|
|
sql = std::regex_replace(sql, r, ",");
|
|
|
|
auto className = nameTransform(tableName, true);
|
|
HttpViewData data;
|
|
data["className"] = className;
|
|
data["tableName"] = toLower(tableName);
|
|
data["hasPrimaryKey"] = (int)0;
|
|
data["primaryKeyName"] = "";
|
|
data["dbName"] = std::string("sqlite3");
|
|
data["rdbms"] = std::string("sqlite3");
|
|
data["relationships"] = relationships;
|
|
auto columns = utils::splitString(sql, ",");
|
|
int i = 0;
|
|
std::vector<ColumnInfo> cols;
|
|
for (auto &column : columns)
|
|
{
|
|
std::transform(column.begin(),
|
|
column.end(),
|
|
column.begin(),
|
|
tolower);
|
|
auto columnVector = utils::splitString(column, " ");
|
|
auto field = columnVector[0];
|
|
auto type = columnVector[1];
|
|
|
|
bool notnull =
|
|
(column.find("not null") != std::string::npos);
|
|
bool autoVal =
|
|
(column.find("autoincrement") != std::string::npos);
|
|
bool primary =
|
|
(column.find("primary key") != std::string::npos);
|
|
ColumnInfo info;
|
|
info.index_ = i;
|
|
info.dbType_ = "sqlite3";
|
|
info.colName_ = field;
|
|
info.colTypeName_ = nameTransform(info.colName_, true);
|
|
info.colValName_ = nameTransform(info.colName_, false);
|
|
info.notNull_ = notnull;
|
|
info.colDatabaseType_ = type;
|
|
info.isPrimaryKey_ = primary;
|
|
info.isAutoVal_ = autoVal;
|
|
|
|
if (type.find("int") != std::string::npos)
|
|
{
|
|
info.colType_ = "uint64_t";
|
|
info.colLength_ = 8;
|
|
}
|
|
else if (type.find("char") != std::string::npos ||
|
|
type == "text" || type == "clob")
|
|
{
|
|
info.colType_ = "std::string";
|
|
}
|
|
else if (type.find("double") != std::string::npos ||
|
|
type == "real" || type == "float")
|
|
{
|
|
info.colType_ = "double";
|
|
info.colLength_ = sizeof(double);
|
|
}
|
|
else if (type == "bool")
|
|
{
|
|
info.colType_ = "bool";
|
|
info.colLength_ = 1;
|
|
}
|
|
else if (type == "blob")
|
|
{
|
|
info.colType_ = "std::vector<char>";
|
|
}
|
|
else
|
|
{
|
|
info.colType_ = "std::string";
|
|
}
|
|
cols.push_back(std::move(info));
|
|
++i;
|
|
}
|
|
|
|
std::vector<std::string> pkNames, pkTypes;
|
|
for (auto const &col : cols)
|
|
{
|
|
if (col.isPrimaryKey_)
|
|
{
|
|
pkNames.push_back(col.colName_);
|
|
pkTypes.push_back(col.colType_);
|
|
}
|
|
}
|
|
data["hasPrimaryKey"] = (int)pkNames.size();
|
|
if (pkNames.size() == 1)
|
|
{
|
|
data["primaryKeyName"] = pkNames[0];
|
|
data["primaryKeyType"] = pkTypes[0];
|
|
}
|
|
else if (pkNames.size() > 1)
|
|
{
|
|
data["primaryKeyName"] = pkNames;
|
|
data["primaryKeyType"] = pkTypes;
|
|
}
|
|
data["columns"] = cols;
|
|
std::ofstream headerFile(path + "/" + className + ".h",
|
|
std::ofstream::out);
|
|
std::ofstream sourceFile(path + "/" + className + ".cc",
|
|
std::ofstream::out);
|
|
auto templ = DrTemplateBase::newTemplate("model_h.csp");
|
|
headerFile << templ->genText(data);
|
|
templ = DrTemplateBase::newTemplate("model_cc.csp");
|
|
sourceFile << templ->genText(data);
|
|
createRestfulAPIController(data, restfulApiConfig);
|
|
}
|
|
else
|
|
{
|
|
std::cout << "The sql for creating table is wrong!"
|
|
<< std::endl;
|
|
exit(1);
|
|
}
|
|
}
|
|
} >>
|
|
[](const DrogonDbException &e) {
|
|
std::cerr << e.base().what() << std::endl;
|
|
exit(1);
|
|
};
|
|
}
|
|
void create_model::createModelFromSqlite3(
|
|
const std::string &path,
|
|
const DbClientPtr &client,
|
|
const Json::Value &restfulApiConfig,
|
|
std::map<std::string, std::vector<Relationship>> &relationships)
|
|
{
|
|
*client << "SELECT name FROM sqlite_master WHERE name!='sqlite_sequence' "
|
|
"and (type='table' or type='view') ORDER BY name;"
|
|
<< Mode::Blocking >>
|
|
[&](bool isNull, std::string &&tableName) mutable {
|
|
if (!isNull)
|
|
{
|
|
std::cout << "table name:" << tableName << std::endl;
|
|
createModelClassFromSqlite3(path,
|
|
client,
|
|
tableName,
|
|
restfulApiConfig,
|
|
relationships[tableName]);
|
|
}
|
|
} >>
|
|
[](const DrogonDbException &e) {
|
|
std::cerr << e.base().what() << std::endl;
|
|
exit(1);
|
|
};
|
|
}
|
|
#endif
|
|
|
|
void create_model::createModel(const std::string &path,
|
|
const Json::Value &config,
|
|
const std::string &singleModelName)
|
|
{
|
|
auto dbType = config.get("rdbms", "no dbms").asString();
|
|
std::transform(dbType.begin(), dbType.end(), dbType.begin(), tolower);
|
|
auto restfulApiConfig = config["restful_api_controllers"];
|
|
auto relationships = getRelationships(config["relationships"]);
|
|
if (dbType == "postgresql")
|
|
{
|
|
#if USE_POSTGRESQL
|
|
std::cout << "postgresql" << std::endl;
|
|
auto host = config.get("host", "127.0.0.1").asString();
|
|
auto port = config.get("port", 5432).asUInt();
|
|
auto dbname = config.get("dbname", "").asString();
|
|
if (dbname == "")
|
|
{
|
|
std::cerr << "Please configure dbname in " << path << "/model.json "
|
|
<< std::endl;
|
|
exit(1);
|
|
}
|
|
dbname_ = dbname;
|
|
auto user = config.get("user", "").asString();
|
|
if (user == "")
|
|
{
|
|
std::cerr << "Please configure user in " << path << "/model.json "
|
|
<< std::endl;
|
|
exit(1);
|
|
}
|
|
auto password = config.get("passwd", "").asString();
|
|
|
|
auto connStr =
|
|
utils::formattedString("host=%s port=%u dbname=%s user=%s",
|
|
host.c_str(),
|
|
port,
|
|
dbname.c_str(),
|
|
user.c_str());
|
|
if (!password.empty())
|
|
{
|
|
connStr += " password=";
|
|
connStr += password;
|
|
}
|
|
|
|
auto schema = config.get("schema", "public").asString();
|
|
DbClientPtr client = drogon::orm::DbClient::newPgClient(connStr, 1);
|
|
std::cout << "Connect to server..." << std::endl;
|
|
if (forceOverwrite_)
|
|
{
|
|
std::this_thread::sleep_for(2s);
|
|
}
|
|
else
|
|
{
|
|
std::cout << "Source files in the " << path
|
|
<< " folder will be overwritten, continue(y/n)?\n";
|
|
auto in = getchar();
|
|
(void)getchar(); // get the return key
|
|
if (in != 'Y' && in != 'y')
|
|
{
|
|
std::cout << "Abort!" << std::endl;
|
|
exit(0);
|
|
}
|
|
}
|
|
|
|
if (singleModelName.empty())
|
|
{
|
|
auto tables = config["tables"];
|
|
if (!tables || tables.size() == 0)
|
|
createModelFromPG(
|
|
path, client, schema, restfulApiConfig, relationships);
|
|
else
|
|
{
|
|
for (int i = 0; i < (int)tables.size(); ++i)
|
|
{
|
|
auto tableName = tables[i].asString();
|
|
std::transform(tableName.begin(),
|
|
tableName.end(),
|
|
tableName.begin(),
|
|
tolower);
|
|
std::cout << "table name:" << tableName << std::endl;
|
|
createModelClassFromPG(path,
|
|
client,
|
|
tableName,
|
|
schema,
|
|
restfulApiConfig,
|
|
relationships[tableName]);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
createModelClassFromPG(path,
|
|
client,
|
|
singleModelName,
|
|
schema,
|
|
restfulApiConfig,
|
|
relationships[singleModelName]);
|
|
}
|
|
#else
|
|
std::cerr
|
|
<< "Drogon does not support PostgreSQL, please install PostgreSQL "
|
|
"development environment before installing drogon"
|
|
<< std::endl;
|
|
#endif
|
|
}
|
|
else if (dbType == "mysql")
|
|
{
|
|
#if USE_MYSQL
|
|
std::cout << "mysql" << std::endl;
|
|
auto host = config.get("host", "127.0.0.1").asString();
|
|
auto port = config.get("port", 5432).asUInt();
|
|
auto dbname = config.get("dbname", "").asString();
|
|
if (dbname == "")
|
|
{
|
|
std::cerr << "Please configure dbname in " << path << "/model.json "
|
|
<< std::endl;
|
|
exit(1);
|
|
}
|
|
dbname_ = dbname;
|
|
auto user = config.get("user", "").asString();
|
|
if (user == "")
|
|
{
|
|
std::cerr << "Please configure user in " << path << "/model.json "
|
|
<< std::endl;
|
|
exit(1);
|
|
}
|
|
auto password = config.get("passwd", "").asString();
|
|
|
|
auto connStr =
|
|
utils::formattedString("host=%s port=%u dbname=%s user=%s",
|
|
host.c_str(),
|
|
port,
|
|
dbname.c_str(),
|
|
user.c_str());
|
|
if (!password.empty())
|
|
{
|
|
connStr += " password=";
|
|
connStr += password;
|
|
}
|
|
DbClientPtr client = drogon::orm::DbClient::newMysqlClient(connStr, 1);
|
|
std::cout << "Connect to server..." << std::endl;
|
|
if (forceOverwrite_)
|
|
{
|
|
std::this_thread::sleep_for(2s);
|
|
}
|
|
else
|
|
{
|
|
std::cout << "Source files in the " << path
|
|
<< " folder will be overwritten, continue(y/n)?\n";
|
|
auto in = getchar();
|
|
(void)getchar(); // get the return key
|
|
if (in != 'Y' && in != 'y')
|
|
{
|
|
std::cout << "Abort!" << std::endl;
|
|
exit(0);
|
|
}
|
|
}
|
|
|
|
if (singleModelName.empty())
|
|
{
|
|
auto tables = config["tables"];
|
|
if (!tables || tables.size() == 0)
|
|
createModelFromMysql(path,
|
|
client,
|
|
restfulApiConfig,
|
|
relationships);
|
|
else
|
|
{
|
|
for (int i = 0; i < (int)tables.size(); ++i)
|
|
{
|
|
auto tableName = tables[i].asString();
|
|
std::transform(tableName.begin(),
|
|
tableName.end(),
|
|
tableName.begin(),
|
|
tolower);
|
|
std::cout << "table name:" << tableName << std::endl;
|
|
createModelClassFromMysql(path,
|
|
client,
|
|
tableName,
|
|
restfulApiConfig,
|
|
relationships[tableName]);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
createModelClassFromMysql(path,
|
|
client,
|
|
singleModelName,
|
|
restfulApiConfig,
|
|
relationships[singleModelName]);
|
|
}
|
|
|
|
#else
|
|
std::cerr << "Drogon does not support Mysql, please install MariaDB "
|
|
"development environment before installing drogon"
|
|
<< std::endl;
|
|
#endif
|
|
}
|
|
else if (dbType == "sqlite3")
|
|
{
|
|
#if USE_SQLITE3
|
|
auto filename = config.get("filename", "").asString();
|
|
if (filename == "")
|
|
{
|
|
std::cerr << "Please configure filename in " << path
|
|
<< "/model.json " << std::endl;
|
|
exit(1);
|
|
}
|
|
std::string connStr = "filename=" + filename;
|
|
DbClientPtr client =
|
|
drogon::orm::DbClient::newSqlite3Client(connStr, 1);
|
|
std::cout << "Connect..." << std::endl;
|
|
if (forceOverwrite_)
|
|
{
|
|
std::this_thread::sleep_for(1s);
|
|
}
|
|
else
|
|
{
|
|
std::cout << "Source files in the " << path
|
|
<< " folder will be overwritten, continue(y/n)?\n";
|
|
auto in = getchar();
|
|
(void)getchar(); // get the return key
|
|
if (in != 'Y' && in != 'y')
|
|
{
|
|
std::cout << "Abort!" << std::endl;
|
|
exit(0);
|
|
}
|
|
}
|
|
|
|
if (singleModelName.empty())
|
|
{
|
|
auto tables = config["tables"];
|
|
if (!tables || tables.size() == 0)
|
|
createModelFromSqlite3(path,
|
|
client,
|
|
restfulApiConfig,
|
|
relationships);
|
|
else
|
|
{
|
|
for (int i = 0; i < (int)tables.size(); ++i)
|
|
{
|
|
auto tableName = tables[i].asString();
|
|
std::transform(tableName.begin(),
|
|
tableName.end(),
|
|
tableName.begin(),
|
|
tolower);
|
|
std::cout << "table name:" << tableName << std::endl;
|
|
createModelClassFromSqlite3(path,
|
|
client,
|
|
tableName,
|
|
restfulApiConfig,
|
|
relationships[tableName]);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
createModelClassFromSqlite3(path,
|
|
client,
|
|
singleModelName,
|
|
restfulApiConfig,
|
|
relationships[singleModelName]);
|
|
}
|
|
|
|
#else
|
|
std::cerr << "Drogon does not support Sqlite3, please install Sqlite3 "
|
|
"development environment before installing drogon"
|
|
<< std::endl;
|
|
#endif
|
|
}
|
|
else if (dbType == "no dbms")
|
|
{
|
|
std::cerr << "Please configure Model in " << path << "/model.json "
|
|
<< std::endl;
|
|
exit(1);
|
|
}
|
|
else
|
|
{
|
|
std::cerr << "Does not support " << dbType << std::endl;
|
|
exit(1);
|
|
}
|
|
}
|
|
void create_model::createModel(const std::string &path,
|
|
const std::string &singleModelName)
|
|
{
|
|
#ifndef _WIN32
|
|
DIR *dp;
|
|
if ((dp = opendir(path.c_str())) == NULL)
|
|
{
|
|
std::cerr << "No such file or directory : " << path << std::endl;
|
|
return;
|
|
}
|
|
closedir(dp);
|
|
#endif
|
|
auto configFile = path + "/model.json";
|
|
if (access(configFile.c_str(), 0) != 0)
|
|
{
|
|
std::cerr << "Config file " << configFile << " not found!" << std::endl;
|
|
exit(1);
|
|
}
|
|
#ifdef _WIN32
|
|
if (access(configFile.c_str(), 04) != 0)
|
|
#else
|
|
if (access(configFile.c_str(), R_OK) != 0)
|
|
#endif
|
|
{
|
|
std::cerr << "No permission to read config file " << configFile
|
|
<< std::endl;
|
|
exit(1);
|
|
}
|
|
|
|
std::ifstream infile(configFile.c_str(), std::ifstream::in);
|
|
if (infile)
|
|
{
|
|
Json::Value configJsonRoot;
|
|
try
|
|
{
|
|
infile >> configJsonRoot;
|
|
createModel(path, configJsonRoot, singleModelName);
|
|
}
|
|
catch (const std::exception &exception)
|
|
{
|
|
std::cerr << "Configuration file format error! in " << configFile
|
|
<< ":" << std::endl;
|
|
std::cerr << exception.what() << std::endl;
|
|
exit(1);
|
|
}
|
|
}
|
|
}
|
|
|
|
void create_model::handleCommand(std::vector<std::string> ¶meters)
|
|
{
|
|
std::cout << "Create model" << std::endl;
|
|
if (parameters.size() == 0)
|
|
{
|
|
std::cerr << "Missing Model path name!" << std::endl;
|
|
}
|
|
std::string singleModelName;
|
|
for (auto iter = parameters.begin(); iter != parameters.end(); ++iter)
|
|
{
|
|
if ((*iter).find("--table=") == 0)
|
|
{
|
|
singleModelName = (*iter).substr(8);
|
|
parameters.erase(iter);
|
|
break;
|
|
}
|
|
}
|
|
for (auto iter = parameters.begin(); iter != parameters.end(); ++iter)
|
|
{
|
|
if ((*iter) == "-f")
|
|
{
|
|
forceOverwrite_ = true;
|
|
parameters.erase(iter);
|
|
break;
|
|
}
|
|
}
|
|
for (auto const &path : parameters)
|
|
{
|
|
createModel(path, singleModelName);
|
|
}
|
|
}
|
|
|
|
void create_model::createRestfulAPIController(
|
|
const DrTemplateData &tableInfo,
|
|
const Json::Value &restfulApiConfig)
|
|
{
|
|
if (restfulApiConfig.isNull())
|
|
return;
|
|
if (!restfulApiConfig.get("enabled", false).asBool())
|
|
{
|
|
return;
|
|
}
|
|
auto genBaseOnly =
|
|
restfulApiConfig.get("generate_base_only", false).asBool();
|
|
auto modelClassName = tableInfo.get<std::string>("className");
|
|
std::regex regex("\\*");
|
|
auto resource = std::regex_replace(
|
|
restfulApiConfig.get("resource_uri", "/*").asString(),
|
|
regex,
|
|
modelClassName);
|
|
std::transform(resource.begin(), resource.end(), resource.begin(), tolower);
|
|
auto ctrlClassName =
|
|
std::regex_replace(restfulApiConfig.get("class_name", "/*").asString(),
|
|
regex,
|
|
modelClassName);
|
|
std::regex regex1("::");
|
|
std::string ctlName =
|
|
std::regex_replace(ctrlClassName, regex1, std::string("_"));
|
|
auto v = utils::splitString(ctrlClassName, "::");
|
|
|
|
drogon::DrTemplateData data;
|
|
data.insert("className", v[v.size() - 1]);
|
|
v.pop_back();
|
|
data.insert("namespaceVector", v);
|
|
data.insert("resource", resource);
|
|
data.insert("fileName", ctlName);
|
|
data.insert("tableName", tableInfo.get<std::string>("tableName"));
|
|
data.insert("tableInfo", tableInfo);
|
|
auto filters = restfulApiConfig["filters"];
|
|
if (filters.isNull() || filters.empty() || !filters.isArray())
|
|
{
|
|
data.insert("filters", "");
|
|
}
|
|
else
|
|
{
|
|
std::string filtersStr;
|
|
for (auto &filterName : filters)
|
|
{
|
|
filtersStr += ",\"";
|
|
filtersStr.append(filterName.asString());
|
|
filtersStr += '"';
|
|
}
|
|
data.insert("filters", filtersStr);
|
|
}
|
|
auto dbClientConfig = restfulApiConfig["db_client"];
|
|
if (dbClientConfig.isNull() || dbClientConfig.empty())
|
|
{
|
|
data.insertAsString("dbClientName", "default");
|
|
data.insert("isFastDbClient", false);
|
|
}
|
|
else
|
|
{
|
|
auto clientName = dbClientConfig.get("name", "default").asString();
|
|
auto isFast = dbClientConfig.get("is_fast", false).asBool();
|
|
data.insertAsString("dbClientName", clientName);
|
|
data.insert("isFastDbClient", isFast);
|
|
}
|
|
auto dir = restfulApiConfig.get("directory", "controllers").asString();
|
|
if (dir[dir.length() - 1] != '/')
|
|
{
|
|
dir += '/';
|
|
}
|
|
{
|
|
std::string headFileName = dir + ctlName + "Base.h";
|
|
std::string sourceFilename = dir + ctlName + "Base.cc";
|
|
// {
|
|
// std::ifstream iHeadFile(headFileName.c_str(), std::ifstream::in);
|
|
// std::ifstream iSourceFile(sourceFilename.c_str(),
|
|
// std::ifstream::in);
|
|
|
|
// if (iHeadFile || iSourceFile)
|
|
// {
|
|
// std::cout << "The " << headFileName << " and " <<
|
|
// sourceFilename
|
|
// << " you want to create already exist, "
|
|
// "overwrite it(y/n)?"
|
|
// << std::endl;
|
|
// auto in = getchar();
|
|
// (void)getchar(); // get the return key
|
|
// if (in != 'Y' && in != 'y')
|
|
// {
|
|
// std::cout << "Abort!" << std::endl;
|
|
// exit(0);
|
|
// }
|
|
// }
|
|
// }
|
|
std::ofstream oHeadFile(headFileName.c_str(), std::ofstream::out);
|
|
std::ofstream oSourceFile(sourceFilename.c_str(), std::ofstream::out);
|
|
if (!oHeadFile || !oSourceFile)
|
|
{
|
|
perror("");
|
|
exit(1);
|
|
}
|
|
try
|
|
{
|
|
auto templ =
|
|
DrTemplateBase::newTemplate("restful_controller_base_h.csp");
|
|
oHeadFile << templ->genText(data);
|
|
templ =
|
|
DrTemplateBase::newTemplate("restful_controller_base_cc.csp");
|
|
oSourceFile << templ->genText(data);
|
|
}
|
|
catch (const std::exception &err)
|
|
{
|
|
std::cerr << err.what() << std::endl;
|
|
exit(1);
|
|
}
|
|
std::cout << "create a http restful API controller base class:"
|
|
<< ctrlClassName << "Base" << std::endl;
|
|
std::cout << "file name: " << headFileName << ", " << sourceFilename
|
|
<< std::endl
|
|
<< std::endl;
|
|
}
|
|
if (!genBaseOnly)
|
|
{
|
|
std::string headFileName = dir + ctlName + ".h";
|
|
std::string sourceFilename = dir + ctlName + ".cc";
|
|
if (!forceOverwrite_)
|
|
{
|
|
std::ifstream iHeadFile(headFileName.c_str(), std::ifstream::in);
|
|
std::ifstream iSourceFile(sourceFilename.c_str(),
|
|
std::ifstream::in);
|
|
|
|
if (iHeadFile || iSourceFile)
|
|
{
|
|
std::cout << "The " << headFileName << " and " << sourceFilename
|
|
<< " you want to create already exist, "
|
|
"overwrite them(y/n)?"
|
|
<< std::endl;
|
|
auto in = getchar();
|
|
(void)getchar(); // get the return key
|
|
if (in != 'Y' && in != 'y')
|
|
{
|
|
std::cout << "Abort!" << std::endl;
|
|
exit(0);
|
|
}
|
|
}
|
|
}
|
|
std::ofstream oHeadFile(headFileName.c_str(), std::ofstream::out);
|
|
std::ofstream oSourceFile(sourceFilename.c_str(), std::ofstream::out);
|
|
if (!oHeadFile || !oSourceFile)
|
|
{
|
|
perror("");
|
|
exit(1);
|
|
}
|
|
try
|
|
{
|
|
auto templ =
|
|
DrTemplateBase::newTemplate("restful_controller_custom_h.csp");
|
|
oHeadFile << templ->genText(data);
|
|
templ =
|
|
DrTemplateBase::newTemplate("restful_controller_custom_cc.csp");
|
|
oSourceFile << templ->genText(data);
|
|
}
|
|
catch (const std::exception &err)
|
|
{
|
|
std::cerr << err.what() << std::endl;
|
|
exit(1);
|
|
}
|
|
|
|
std::cout << "create a http restful API controller class: "
|
|
<< ctrlClassName << std::endl;
|
|
std::cout << "file name: " << headFileName << ", " << sourceFilename
|
|
<< std::endl
|
|
<< std::endl;
|
|
}
|
|
}
|