218 lines
8.0 KiB
Python
218 lines
8.0 KiB
Python
import base64
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import uuid
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import os
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from openpyxl.styles import PatternFill, Border, Side, Alignment, Font
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from openpyxl.drawing.image import Image
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from openpyxl import Workbook
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########################################################################################################################
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# PROCEDURES
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# Step 1: Validate the report data
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# Step 2: Generate excelexporters file
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# Step 3: Encode the excelexporters file to Base64
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########################################################################################################################
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def export(result, space_name, reporting_start_datetime_local, reporting_end_datetime_local):
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####################################################################################################################
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# Step 1: Validate the report data
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####################################################################################################################
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if result is None:
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return None
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####################################################################################################################
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# Step 2: Generate excel file from the report data
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####################################################################################################################
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filename = generate_excel(result,
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space_name,
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reporting_start_datetime_local,
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reporting_end_datetime_local)
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####################################################################################################################
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# Step 3: Encode the excel file to Base64
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####################################################################################################################
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binary_file_data = b''
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try:
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with open(filename, 'rb') as binary_file:
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binary_file_data = binary_file.read()
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except IOError as ex:
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pass
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# Base64 encode the bytes
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base64_encoded_data = base64.b64encode(binary_file_data)
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# get the Base64 encoded data using human-readable characters.
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base64_message = base64_encoded_data.decode('utf-8')
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# delete the file from server
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try:
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os.remove(filename)
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except NotImplementedError as ex:
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pass
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return base64_message
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def generate_excel(report, space_name, reporting_start_datetime_local, reporting_end_datetime_local):
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wb = Workbook()
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ws = wb.active
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ws.title = "MeterTracking"
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# Row height
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ws.row_dimensions[1].height = 102
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for i in range(2, 5 + 1):
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ws.row_dimensions[i].height = 42
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for i in range(6, len(report['meters']) + 15):
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ws.row_dimensions[i].height = 60
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# Col width
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ws.column_dimensions['A'].width = 1.5
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ws.column_dimensions['B'].width = 25.0
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for i in range(ord('C'), ord('L')):
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ws.column_dimensions[chr(i)].width = 15.0
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# Font
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name_font = Font(name='Arial', size=15, bold=True)
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title_font = Font(name='Arial', size=15, bold=True)
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table_fill = PatternFill(fill_type='solid', fgColor='1F497D')
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f_border = Border(left=Side(border_style='medium', color='00000000'),
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right=Side(border_style='medium', color='00000000'),
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bottom=Side(border_style='medium', color='00000000'),
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top=Side(border_style='medium', color='00000000')
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)
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b_border = Border(
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bottom=Side(border_style='medium', color='00000000'),
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)
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b_c_alignment = Alignment(vertical='bottom',
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horizontal='center',
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text_rotation=0,
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wrap_text=True,
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shrink_to_fit=False,
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indent=0)
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c_c_alignment = Alignment(vertical='center',
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horizontal='center',
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text_rotation=0,
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wrap_text=True,
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shrink_to_fit=False,
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indent=0)
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b_r_alignment = Alignment(vertical='bottom',
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horizontal='right',
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text_rotation=0,
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wrap_text=True,
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shrink_to_fit=False,
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indent=0)
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# Img
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img = Image("excelexporters/myems.png")
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ws.add_image(img, 'A1')
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# Title
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ws.row_dimensions[3].height = 60
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ws['B3'].font = name_font
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ws['B3'].alignment = b_r_alignment
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ws['B3'] = 'Name:'
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ws['C3'].border = b_border
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ws['C3'].alignment = b_c_alignment
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ws['C3'].font = name_font
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ws['C3'] = space_name
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ws['F3'].font = name_font
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ws['F3'].alignment = b_r_alignment
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ws['F3'] = 'Date:'
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ws['G3'].border = b_border
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ws['G3'].alignment = b_c_alignment
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ws['G3'].font = name_font
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ws['G3'] = reporting_start_datetime_local + "__" + reporting_end_datetime_local
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ws.merge_cells("G3:H3")
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# Title
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ws['B6'].border = f_border
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ws['B6'].font = name_font
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ws['B6'].alignment = c_c_alignment
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ws['B6'].fill = table_fill
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ws['B6'] = 'Name'
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ws['C6'].border = f_border
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ws['C6'].alignment = c_c_alignment
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ws['C6'].font = name_font
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ws['C6'].fill = table_fill
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ws['C6'] = 'Space'
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ws['D6'].border = f_border
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ws['D6'].font = name_font
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ws['D6'].alignment = c_c_alignment
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ws['D6'].fill = table_fill
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ws['D6'] = 'Cost Center'
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ws['E6'].border = f_border
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ws['E6'].alignment = c_c_alignment
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ws['E6'].font = name_font
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ws['E6'].fill = table_fill
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ws['E6'] = 'Energy Category'
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ws['F6'].border = f_border
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ws['F6'].font = name_font
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ws['F6'].alignment = c_c_alignment
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ws['F6'].fill = table_fill
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ws['F6'] = 'Description'
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ws['G6'].border = f_border
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ws['G6'].font = name_font
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ws['G6'].alignment = c_c_alignment
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ws['G6'].fill = table_fill
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ws['G6'] = 'Start Value'
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ws['H6'].border = f_border
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ws['H6'].font = name_font
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ws['H6'].alignment = c_c_alignment
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ws['H6'].fill = table_fill
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ws['H6'] = 'End Value'
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current_row_number = 7
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for i in range(0, len(report['meters'])):
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ws['B' + str(current_row_number)].font = title_font
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ws['B' + str(current_row_number)].border = f_border
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ws['B' + str(current_row_number)].alignment = c_c_alignment
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ws['B' + str(current_row_number)] = report['meters'][i]['meter_name']
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ws['C' + str(current_row_number)].font = title_font
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ws['C' + str(current_row_number)].border = f_border
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ws['C' + str(current_row_number)].alignment = c_c_alignment
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ws['C' + str(current_row_number)] = report['meters'][i]['space_name']
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ws['D' + str(current_row_number)].font = title_font
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ws['D' + str(current_row_number)].border = f_border
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ws['D' + str(current_row_number)].alignment = c_c_alignment
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ws['D' + str(current_row_number)] = report['meters'][i]['cost_center_name']
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ws['E' + str(current_row_number)].font = title_font
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ws['E' + str(current_row_number)].border = f_border
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ws['E' + str(current_row_number)].alignment = c_c_alignment
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ws['E' + str(current_row_number)] = report['meters'][i]['energy_category_name']
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ws['F' + str(current_row_number)].font = title_font
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ws['F' + str(current_row_number)].border = f_border
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ws['F' + str(current_row_number)].alignment = c_c_alignment
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ws['F' + str(current_row_number)] = report['meters'][i]['description']
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ws['G' + str(current_row_number)].font = title_font
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ws['G' + str(current_row_number)].border = f_border
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ws['G' + str(current_row_number)].alignment = c_c_alignment
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ws['G' + str(current_row_number)] = report['meters'][i]['start_value']
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ws['H' + str(current_row_number)].font = title_font
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ws['H' + str(current_row_number)].border = f_border
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ws['H' + str(current_row_number)].alignment = c_c_alignment
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ws['H' + str(current_row_number)] = report['meters'][i]['end_value']
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current_row_number += 1
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filename = str(uuid.uuid4()) + '.xlsx'
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wb.save(filename)
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return filename
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