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modules/ticketsMaker.py

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+import streamlit as st
+import pymysql
+from re import match
+
+connection = pymysql.connect(
+    host='localhost',
+    user='UserForDBViewerOnStreamlit',
+    password='123',
+    db='DBForDBViewerOnStreamlit'
+)
+
+
+def main(connection=connection):
+
+    def string_check(string):
+
+        if match('^[0-9A-Za-zA-Яa-яЁё -"/_]*$', string) and string:
+            return True
+        else:
+            return False
+
+    def all_table_elements(TableName):
+
+        with connection:
+            query = 'SELECT * FROM ' + TableName
+            cursor = connection.cursor(pymysql.cursors.DictCursor)
+            cursor.execute(query)
+            rowsList = cursor.fetchall()
+            return rowsList
+
+    usersList = all_table_elements('Users')
+
+    listToDisplay = []
+    for i in range(len(usersList)):
+        listToDisplay.append(
+            str(usersList[i]['UserID']) + ' ' + usersList[i]['UserName'])
+
+    st.title('Создание заявок')
+    choice = st.selectbox('Выберите пользователя', listToDisplay)
+    ticketText = st.text_area('Введите текст заявки')
+    AddButton = st.button('Создать')
+
+    if AddButton:
+        if string_check(ticketText):
+            with connection:
+                cursor = connection.cursor()
+                cursor.execute('INSERT INTO Tickets (TicketText, UserID) VALUES (\'' +
+                               ticketText + '\' , \'' + choice.split(' ')[0] + '\')')
+            st.text('Заявка создана!')
+        else:
+            st.text('Некорректный ввод!')
+
+
+if __name__ == "__main__":
+    main()