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RuoYi-Vue3-FastAPI/ruoyi-fastapi-backend/utils/gen_util.py
2025-02-18 16:10:57 +08:00

224 lines
7.6 KiB
Python

import re
from datetime import datetime
from typing import List
from config.constant import GenConstant
from config.env import GenConfig
from module_generator.entity.vo.gen_vo import GenTableColumnModel, GenTableModel
from utils.string_util import StringUtil
class GenUtils:
"""代码生成器工具类"""
@classmethod
def init_table(cls, gen_table: GenTableModel, oper_name: str) -> None:
"""
初始化表信息
param gen_table: 业务表对象
param oper_name: 操作人
:return:
"""
gen_table.class_name = cls.convert_class_name(gen_table.table_name)
gen_table.package_name = GenConfig.package_name
gen_table.module_name = cls.get_module_name(GenConfig.package_name)
gen_table.business_name = cls.get_business_name(gen_table.table_name)
gen_table.function_name = cls.replace_text(gen_table.table_comment)
gen_table.function_author = GenConfig.author
gen_table.create_by = oper_name
gen_table.create_time = datetime.now()
gen_table.update_by = oper_name
gen_table.update_time = datetime.now()
@classmethod
def init_column_field(cls, column: GenTableColumnModel, table: GenTableModel) -> None:
"""
初始化列属性字段
param column: 业务表字段对象
param table: 业务表对象
:return:
"""
data_type = cls.get_db_type(column.column_type)
column_name = column.column_name
column.table_id = table.table_id
column.create_by = table.create_by
# 设置Python字段名
column.python_field = cls.to_camel_case(column_name)
# 设置默认类型
column.python_type = StringUtil.get_mapping_value_by_key_ignore_case(
GenConstant.DB_TO_PYTHON_TYPE_MAPPING, data_type
)
column.query_type = GenConstant.QUERY_EQ
if cls.arrays_contains(GenConstant.COLUMNTYPE_STR, data_type) or cls.arrays_contains(
GenConstant.COLUMNTYPE_TEXT, data_type
):
# 字符串长度超过500设置为文本域
column_length = cls.get_column_length(column.column_type)
html_type = (
GenConstant.HTML_TEXTAREA
if column_length >= 500 or cls.arrays_contains(GenConstant.COLUMNTYPE_TEXT, data_type)
else GenConstant.HTML_INPUT
)
column.html_type = html_type
elif cls.arrays_contains(GenConstant.COLUMNTYPE_TIME, data_type):
column.html_type = GenConstant.HTML_DATETIME
elif cls.arrays_contains(GenConstant.COLUMNTYPE_NUMBER, data_type):
column.html_type = GenConstant.HTML_INPUT
# 插入字段(默认所有字段都需要插入)
column.is_insert = GenConstant.REQUIRE
# 编辑字段
if not cls.arrays_contains(GenConstant.COLUMNNAME_NOT_EDIT, column_name) and not column.pk:
column.is_edit = GenConstant.REQUIRE
# 列表字段
if not cls.arrays_contains(GenConstant.COLUMNNAME_NOT_LIST, column_name) and not column.pk:
column.is_list = GenConstant.REQUIRE
# 查询字段
if not cls.arrays_contains(GenConstant.COLUMNNAME_NOT_QUERY, column_name) and not column.pk:
column.is_query = GenConstant.REQUIRE
# 查询字段类型
if column_name.lower().endswith('name'):
column.query_type = GenConstant.QUERY_LIKE
# 状态字段设置单选框
if column_name.lower().endswith('status'):
column.html_type = GenConstant.HTML_RADIO
# 类型&性别字段设置下拉框
elif column_name.lower().endswith('type') or column_name.lower().endswith('sex'):
column.html_type = GenConstant.HTML_SELECT
# 图片字段设置图片上传控件
elif column_name.lower().endswith('image'):
column.html_type = GenConstant.HTML_IMAGE_UPLOAD
# 文件字段设置文件上传控件
elif column_name.lower().endswith('file'):
column.html_type = GenConstant.HTML_FILE_UPLOAD
# 内容字段设置富文本控件
elif column_name.lower().endswith('content'):
column.html_type = GenConstant.HTML_EDITOR
column.create_by = table.create_by
column.create_time = datetime.now()
column.update_by = table.update_by
column.update_time = datetime.now()
@classmethod
def arrays_contains(cls, arr: List[str], target_value: str) -> bool:
"""
校验数组是否包含指定值
param arr: 数组
param target_value: 需要校验的值
:return: 校验结果
"""
return target_value in arr
@classmethod
def get_module_name(cls, package_name: str) -> str:
"""
获取模块名
param package_name: 包名
:return: 模块名
"""
return package_name.split('.')[-1]
@classmethod
def get_business_name(cls, table_name: str) -> str:
"""
获取业务名
param table_name: 业务表名
:return: 业务名
"""
return table_name.split('_')[-1]
@classmethod
def convert_class_name(cls, table_name: str) -> str:
"""
表名转换成Python类名
param table_name: 业务表名
:return: Python类名
"""
auto_remove_pre = GenConfig.auto_remove_pre
table_prefix = GenConfig.table_prefix
if auto_remove_pre and table_prefix:
search_list = table_prefix.split(',')
table_name = cls.replace_first(table_name, search_list)
return StringUtil.convert_to_camel_case(table_name)
@classmethod
def replace_first(cls, replacement: str, search_list: List[str]) -> str:
"""
批量替换前缀
param replacement: 需要被替换的字符串
param search_list: 可替换的字符串列表
:return: 替换后的字符串
"""
for search_string in search_list:
if replacement.startswith(search_string):
return replacement.replace(search_string, '', 1)
return replacement
@classmethod
def replace_text(cls, text: str) -> str:
"""
关键字替换
param text: 需要被替换的字符串
:return: 替换后的字符串
"""
return re.sub(r'(?:表|若依)', '', text)
@classmethod
def get_db_type(cls, column_type: str) -> str:
"""
获取数据库类型字段
param column_type: 字段类型
:return: 数据库类型
"""
if '(' in column_type:
return column_type.split('(')[0]
return column_type
@classmethod
def get_column_length(cls, column_type: str) -> int:
"""
获取字段长度
param column_type: 字段类型
:return: 字段长度
"""
if '(' in column_type:
length = len(column_type.split('(')[1].split(')')[0])
return length
return 0
@classmethod
def split_column_type(cls, column_type: str) -> List[str]:
"""
拆分列类型
param column_type: 字段类型
:return: 拆分结果
"""
if '(' in column_type and ')' in column_type:
return column_type.split('(')[1].split(')')[0].split(',')
return []
@classmethod
def to_camel_case(cls, text: str) -> str:
"""
将字符串转换为驼峰命名
param text: 需要转换的字符串
:return: 驼峰命名
"""
parts = text.split('_')
return parts[0] + ''.join(word.capitalize() for word in parts[1:])