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added excel exporter of tenant batch report 

Merge branch 'master' into develop
pull/43/MERGE
13621160019@163.com 2021-05-13 09:55:50 +08:00
parent 13249842e6 12e2864e0f
commit 0963035078
2 changed files with 207 additions and 0 deletions
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199
myems-api/excelexporters/tenantbatch.py Normal file
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@ -0,0 +1,199 @@
import base64
import uuid
import os
from openpyxl.styles import PatternFill, Border, Side, Alignment, Protection, Font
from openpyxl.drawing.image import Image
from openpyxl import Workbook
####################################################################################################################
# PROCEDURES
# Step 1: Validate the report data
# Step 2: Generate excelexporters file
# Step 3: Encode the excelexporters file to Base64
####################################################################################################################
def export(result, space_name, reporting_start_datetime_local, reporting_end_datetime_local):
####################################################################################################################
# Step 1: Validate the report data
####################################################################################################################
if result is None:
return None
####################################################################################################################
# Step 2: Generate excel file from the report data
####################################################################################################################
filename = generate_excel(result,
space_name,
reporting_start_datetime_local,
reporting_end_datetime_local)
####################################################################################################################
# Step 3: Encode the excel file to Base64
####################################################################################################################
try:
with open(filename, 'rb') as binary_file:
binary_file_data = binary_file.read()
except IOError as ex:
pass
# Base64 encode the bytes
base64_encoded_data = base64.b64encode(binary_file_data)
# get the Base64 encoded data using human-readable characters.
base64_message = base64_encoded_data.decode('utf-8')
# delete the file from server
try:
os.remove(filename)
except NotImplementedError as ex:
pass
return base64_message
def generate_excel(report, space_name, reporting_start_datetime_local, reporting_end_datetime_local):
wb = Workbook()
ws = wb.active
# Row height
ws.row_dimensions[1].height = 102
for i in range(2, 5 + 1):
ws.row_dimensions[i].height = 42
for i in range(6, len(report['tenants']) + 15):
ws.row_dimensions[i].height = 60
# Col width
ws.column_dimensions['A'].width = 1.5
ws.column_dimensions['B'].width = 25.0
for i in range(ord('C'), ord('L')):
ws.column_dimensions[chr(i)].width = 15.0
# Font
name_font = Font(name='Constantia', size=15, bold=True)
title_font = Font(name='宋体', size=15, bold=True)
data_font = Font(name='Franklin Gothic Book', size=11)
table_fill = PatternFill(fill_type='solid', fgColor='1F497D')
f_border = Border(left=Side(border_style='medium', color='00000000'),
right=Side(border_style='medium', color='00000000'),
bottom=Side(border_style='medium', color='00000000'),
top=Side(border_style='medium', color='00000000')
)
b_border = Border(
bottom=Side(border_style='medium', color='00000000'),
)
b_c_alignment = Alignment(vertical='bottom',
horizontal='center',
text_rotation=0,
wrap_text=True,
shrink_to_fit=False,
indent=0)
c_c_alignment = Alignment(vertical='center',
horizontal='center',
text_rotation=0,
wrap_text=True,
shrink_to_fit=False,
indent=0)
b_r_alignment = Alignment(vertical='bottom',
horizontal='right',
text_rotation=0,
wrap_text=True,
shrink_to_fit=False,
indent=0)
c_r_alignment = Alignment(vertical='bottom',
horizontal='center',
text_rotation=0,
wrap_text=True,
shrink_to_fit=False,
indent=0)
# Img
img = Image("excelexporters/myems.png")
img.width = img.width * 0.85
img.height = img.height * 0.85
ws.add_image(img, 'B1')
# Title
ws.row_dimensions[3].height = 60
ws['B3'].font = name_font
ws['B3'].alignment = b_r_alignment
ws['B3'] = '空间:'
ws['C3'].border = b_border
ws['C3'].alignment = b_c_alignment
ws['C3'].font = name_font
ws['C3'] = space_name
ws['F3'].font = name_font
ws['F3'].alignment = b_r_alignment
ws['F3'] = '日期:'
ws['G3'].border = b_border
ws['G3'].alignment = b_c_alignment
ws['G3'].font = name_font
ws['G3'] = reporting_start_datetime_local + "~" + reporting_end_datetime_local
ws.merge_cells("G3:H3")
# Title
ws['B6'].border = f_border
ws['B6'].font = name_font
ws['B6'].alignment = c_c_alignment
ws['B6'].fill = table_fill
ws['B6'] = '名称'
ws['C6'].border = f_border
ws['C6'].alignment = c_c_alignment
ws['C6'].font = name_font
ws['C6'].fill = table_fill
ws['C6'] = '空间'
ws['D6'].border = f_border
ws['D6'].font = name_font
ws['D6'].alignment = c_c_alignment
ws['D6'].fill = table_fill
ws['D6'] = '成本中心'
ca_len = len(report['energycategories'])
for i in range(0, ca_len):
col = chr(ord('E') + i)
ws[col + '6'].fill = table_fill
ws[col + '6'].font = name_font
ws[col + '6'].alignment = c_c_alignment
ws[col + '6'] = report['energycategories'][i]['name'] + \
" (" + report['energycategories'][i]['unit_of_measure'] + ")"
ws[col + '6'].border = f_border
current_row_number = 7
for i in range(0, len(report['tenants'])):
ws['B' + str(current_row_number)].font = title_font
ws['B' + str(current_row_number)].border = f_border
ws['B' + str(current_row_number)].alignment = c_c_alignment
ws['B' + str(current_row_number)] = report['tenants'][i]['tenant_name']
ws['C' + str(current_row_number)].font = title_font
ws['C' + str(current_row_number)].border = f_border
ws['C' + str(current_row_number)].alignment = c_c_alignment
ws['C' + str(current_row_number)] = report['tenants'][i]['space_name']
ws['D' + str(current_row_number)].font = title_font
ws['D' + str(current_row_number)].border = f_border
ws['D' + str(current_row_number)].alignment = c_c_alignment
ws['D' + str(current_row_number)] = report['tenants'][i]['cost_center_name']
ca_len = len(report['tenants'][i]['values'])
for j in range(0, ca_len):
col = chr(ord('E') + j)
ws[col + str(current_row_number)].font = title_font
ws[col + str(current_row_number)].border = f_border
ws[col + str(current_row_number)].alignment = c_c_alignment
ws[col + str(current_row_number)] = report['tenants'][i]['values'][j]
current_row_number += 1
filename = str(uuid.uuid4()) + '.xlsx'
wb.save(filename)
return filename

8
myems-api/reports/tenantbatch.py
View File

@ -5,6 +5,7 @@ import config
from anytree import Node, AnyNode, LevelOrderIter
from datetime import datetime, timedelta, timezone
from decimal import Decimal
import excelexporters.tenantbatch
class Reporting:
@ -99,6 +100,8 @@ class Reporting:
cnx_system_db.disconnect()
raise falcon.HTTPError(falcon.HTTP_404, title='API.NOT_FOUND',
description='API.SPACE_NOT_FOUND')
else:
space_name = row['name']
################################################################################################################
# Step 2: build a space tree
@ -232,4 +235,9 @@ class Reporting:
result = {'tenants': tenant_list,
'energycategories': energy_category_list}
# export result to Excel file and then encode the file to base64 string
result['excel_bytes_base64'] = excelexporters.tenantbatch.export(result,
space_name,
reporting_period_start_datetime_local,
reporting_period_end_datetime_local)
resp.body = json.dumps(result)