230 lines
7.4 KiB
Python
230 lines
7.4 KiB
Python
import falcon
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import simplejson as json
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import mysql.connector
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import config
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import uuid
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from datetime import datetime
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from anytree import AnyNode
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from anytree.exporter import JsonExporter
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class MenuCollection:
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@staticmethod
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def __init__():
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pass
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@staticmethod
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def on_options(req, resp):
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resp.status = falcon.HTTP_200
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@staticmethod
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def on_get(req, resp):
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cnx = mysql.connector.connect(**config.myems_system_db)
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cursor = cnx.cursor(dictionary=True)
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query = (" SELECT id, path, name, parent_menu_id, is_hidden "
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" FROM tbl_menus ")
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cursor.execute(query)
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rows_menus = cursor.fetchall()
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result = list()
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if rows_menus is not None and len(rows_menus) > 0:
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for row in rows_menus:
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temp = {"id": row['id'],
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"path": row['path'],
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"name": row['name'],
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"parent_menu_id": row['parent_menu_id'],
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"is_hidden": bool(row['is_hidden'])}
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result.append(temp)
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cursor.close()
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cnx.disconnect()
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resp.body = json.dumps(result)
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class MenuItem:
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@staticmethod
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def __init__():
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pass
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@staticmethod
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def on_options(req, resp, id_):
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resp.status = falcon.HTTP_200
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@staticmethod
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def on_get(req, resp, id_):
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if not id_.isdigit() or int(id_) <= 0:
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raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
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description='API.INVALID_MENU_ID')
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cnx = mysql.connector.connect(**config.myems_system_db)
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cursor = cnx.cursor(dictionary=True)
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query = (" SELECT id, path, name, parent_menu_id, is_hidden "
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" FROM tbl_menus "
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" WHERE id=%s ")
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cursor.execute(query, (id_,))
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rows_menu = cursor.fetchone()
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result = None
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if rows_menu is not None and len(rows_menu) > 0:
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result = {"id": rows_menu['id'],
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"path": rows_menu['path'],
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"name": rows_menu['name'],
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"parent_menu_id": rows_menu['parent_menu_id'],
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"is_hidden": bool(rows_menu['is_hidden'])}
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cursor.close()
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cnx.disconnect()
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resp.body = json.dumps(result)
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@staticmethod
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def on_put(req, resp, id_):
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"""Handles PUT requests"""
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try:
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raw_json = req.stream.read().decode('utf-8')
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except Exception as ex:
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raise falcon.HTTPError(falcon.HTTP_400, title='API.EXCEPTION', description=ex)
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if not id_.isdigit() or int(id_) <= 0:
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raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
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description='API.INVALID_MENU_ID')
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new_values = json.loads(raw_json)
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if 'is_hidden' not in new_values['data'].keys() or \
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not isinstance(new_values['data']['is_hidden'], bool):
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raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
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description='API.INVALID_IS_HIDDEN')
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is_hidden = new_values['data']['is_hidden']
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cnx = mysql.connector.connect(**config.myems_system_db)
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cursor = cnx.cursor()
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update_row = (" UPDATE tbl_menus "
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" SET is_hidden = %s "
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" WHERE id = %s ")
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cursor.execute(update_row, (is_hidden,
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id_))
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cnx.commit()
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cursor.close()
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cnx.disconnect()
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resp.status = falcon.HTTP_200
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class MenuChildrenCollection:
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@staticmethod
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def __init__():
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pass
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@staticmethod
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def on_options(req, resp, id_):
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resp.status = falcon.HTTP_200
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@staticmethod
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def on_get(req, resp, id_):
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if not id_.isdigit() or int(id_) <= 0:
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raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST',
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description='API.INVALID_MENU_ID')
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cnx = mysql.connector.connect(**config.myems_system_db)
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cursor = cnx.cursor(dictionary=True)
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query = (" SELECT id, path, name, parent_menu_id, is_hidden "
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" FROM tbl_menus "
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" WHERE id = %s ")
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cursor.execute(query, (id_,))
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row_current_menu = cursor.fetchone()
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if row_current_menu is None:
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cursor.close()
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cnx.disconnect()
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raise falcon.HTTPError(falcon.HTTP_404, title='API.NOT_FOUND',
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description='API.MENU_NOT_FOUND')
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current_menu = None
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current_menu_id = None
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if row_current_menu is not None and len(row_current_menu) > 0:
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current_menu = {"id": row_current_menu['id'],
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"path": row_current_menu['path'],
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"name": row_current_menu['name'],
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"parent_menu_id": row_current_menu['parent_menu_id'],
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"is_hidden": bool(row_current_menu['is_hidden'])}
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current_menu_id = row_current_menu['id']
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query = (" SELECT id, path, name, parent_menu_id, is_hidden"
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" FROM tbl_menus "
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" WHERE parent_menu_id = %s")
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cursor.execute(query, (current_menu_id,))
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rows_menus = cursor.fetchall()
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children_menus = []
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if rows_menus is not None and len(rows_menus) > 0:
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for row in rows_menus:
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children_menus.append(
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{
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"id": row['id'],
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"path": row['path'],
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"name": row['name'],
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"parent_menu": current_menu,
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"is_hidden": bool(row['is_hidden'])
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}
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)
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result = {
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"current": current_menu,
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"children": children_menus,
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}
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cursor.close()
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cnx.disconnect()
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resp.body = json.dumps(result)
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class MenuWebCollection:
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@staticmethod
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def __init__():
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pass
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@staticmethod
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def on_options(req, resp):
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resp.status = falcon.HTTP_200
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@staticmethod
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def on_get(req, resp):
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cnx = mysql.connector.connect(**config.myems_system_db)
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cursor = cnx.cursor(dictionary=True)
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query = (" SELECT id, path, parent_menu_id, is_hidden "
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" FROM tbl_menus "
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" WHERE parent_menu_id is NULL AND is_hidden == false ")
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cursor.execute(query)
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rows_menus = cursor.fetchall()
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first_paths = {}
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if rows_menus is not None and len(rows_menus) > 0:
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for row in rows_menus:
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first_paths[row['id']] = {
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'path': row['path'],
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'children': []
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}
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query = (" SELECT id, path, parent_menu_id, is_hidden "
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" FROM tbl_menus "
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" WHERE parent_menu_id is not NULL AND is_hidden == false ")
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cursor.execute(query)
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rows_menus = cursor.fetchall()
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if rows_menus is not None and len(rows_menus) > 0:
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for row in rows_menus:
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if row['parent_menu_id'] in first_paths.keys():
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first_paths[row['parent_menu_id']]['children'].append(row['path'])
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result = dict()
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for _id, item in first_paths.items():
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result[item['path']] = item['children']
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cursor.close()
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cnx.disconnect()
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resp.body = json.dumps(result)
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