198 lines
8.6 KiB
Python
198 lines
8.6 KiB
Python
from django.http import HttpRequest, HttpResponse
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from django.db.models.query import QuerySet
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from openpyxl import Workbook
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from openpyxl.styles import Font, PatternFill, Alignment, Border, Side
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from openpyxl.utils import get_column_letter
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from datetime import date, datetime
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from typing import List
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from ..models.weekpref import WeekPreference
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from ..models.missions import Training
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from ..models.hourbuildings import HourBuilding,HourBuildingLeg
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def export_selected(request: HttpRequest, queryset: QuerySet[WeekPreference]) -> HttpResponse:
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if not queryset.first():
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raise Exception("Empty queryset")
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# Init Variables
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year = date.today().year
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week = queryset.first().week if queryset.first() else date.today().isocalendar().week
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weeks = queryset.order_by("week").distinct("week").all()
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# Prepare export filename and http content
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filename = f"{year}_week{'+'.join([str(w.week) for w in weeks])}_export.xlsx"
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response = HttpResponse(content_type='application/vnd.openxmlformats-officedocument.spreadsheetml.sheet')
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response['Content-Disposition'] = f'attachment; filename="{filename}"'
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# Create workbook and sheet
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wb = Workbook()
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ws = wb.active
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if not ws:
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raise Exception("Export: cannot select active workbook")
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ws.title = f"Week Preferences"
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ws.page_setup.orientation = ws.ORIENTATION_LANDSCAPE
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ws.page_setup.paperSize = ws.PAPERSIZE_A3
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ws.page_setup.fitToHeight = 0
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ws.page_setup.fitToWidth = 1
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# Header titles
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days = [f"{datetime.strptime(f"{year} {week} {x}", "%G %V %u").strftime("%A")} {datetime.strptime(f"{year} {week} {x}", "%G %V %u").day}" for x in range(1,8)]
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headers = ["Week", "Student", "Course", *days, "Cell.", "Mail", "Notes"]
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# Header fields positions
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week_index: int = headers.index("Week") + 1
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student_index: int = headers.index("Student") + 1
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course_index: int = headers.index("Course") + 1
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cell_index: int = headers.index("Cell.") + 1
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mail_index: int = headers.index("Mail") + 1
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note_index: int = headers.index("Notes") + 1
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# Stile header
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header_fill = PatternFill("solid", fgColor="0e005c")
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bold_white = Font(color="FFFFFF", bold=True)
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bold_black = Font(color="000000", bold=True)
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center = Alignment(horizontal="center", vertical="center", wrapText=True)
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# Cell styles
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border_thick: Side = Side(style='thick', color='000000')
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border_bottom: Border = Border(bottom=border_thick)
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border_all: Border = Border(bottom=border_thick, top=border_thick, left=border_thick, right=None)
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# Scrittura header
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for col, h in enumerate(headers, start=1):
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cell = ws.cell(row=1, column=col, value=h)
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cell.fill = header_fill
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cell.font = bold_white
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cell.alignment = center
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### Start of Student Loop ###
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# Fill worksheet with EVERY training and hb for every student
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# Each of this iterations fills the table for a student
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row: int = 2
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row_offset: int = 0
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for i, q in enumerate(queryset.order_by("student__surname", "student__name", "student__course"), start=1):
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student_data: List[str]
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student_phone: str = q.student.phone if q.student.phone else ""
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student_email: str = q.student.email
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if q.student.course:
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student_data = [f"{q.student.surname} {q.student.name}", f"{q.student.course.ctype}-{q.student.course.cnumber}"]
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else:
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student_data = [f"{q.student.surname} {q.student.name}", f"No Course Assigned"]
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# Fill Training mission rows
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mission_name: str
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mission_days: List[str]
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mission_notes: str
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mission_data: List[List[str]] = []
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for t in Training.objects.filter(weekpref = q.id):
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if not t.mission:
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raise Exception("No Training Mission Assigned")
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mission_name = f"{t.mission.mtype}-{t.mission.mnum}"
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mission_days = [
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mission_name if t.monday else "",
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mission_name if t.tuesday else "",
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mission_name if t.wednesday else "",
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mission_name if t.thursday else "",
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mission_name if t.friday else "",
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mission_name if t.saturday else "",
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mission_name if t.sunday else ""
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]
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mission_notes = t.notes if t.notes else "--"
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mission_data.append([str(q.week), *student_data, *mission_days, student_phone, student_email, mission_notes])
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# Fill HourBuilding rows
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hb_name: str
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hb_days: List[str]
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hb_notes: str
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hb_data: List[List[str]] = []
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for h in HourBuilding.objects.filter(weekpref = q.id):
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hb_name = f"HB-{h.aircraft}\nVedi Note ->"
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hb_days = [
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hb_name if h.monday else "",
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hb_name if h.tuesday else "",
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hb_name if h.wednesday else "",
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hb_name if h.thursday else "",
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hb_name if h.friday else "",
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hb_name if h.saturday else "",
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hb_name if h.sunday else ""
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]
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hb_notes = f"{h.notes}\n----\n" if h.notes else ""
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hb_legs = HourBuildingLeg.objects.filter(hb_id = h.id)
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for hh in hb_legs:
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hb_notes += f"{hh.departure} -> {hh.destination} [{hh.time}]\n" if not hh.stop else f"STOP at {hh.departure} [{hh.time}]\n"
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hb_notes.strip('\n')
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hb_data.append([str(q.week), *student_data, *hb_days, str(q.student.phone), q.student.email, hb_notes])
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# Build rows for table
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all_data: List[List[str]] = mission_data + hb_data
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student_start: int = row + row_offset
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for r in all_data:
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for j, c in enumerate(r, start=1):
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cell = ws.cell(row = row + row_offset, column = j, value = c)
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cell.alignment = center
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# Format Student Name
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if j == student_index:
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cell.font = bold_black
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# Format Course Column
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if j == course_index and q.student.course:
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cell.font = bold_black
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cell.fill = PatternFill("solid", fgColor=str(q.student.course.color).lstrip('#').lower())
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prev_cell_val: str = r[0]
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merge_start: bool = False
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merge_col_start: int = 1
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for c, v in enumerate(r, start=1):
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# Merge cells in the row
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if v == prev_cell_val and not merge_start:
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merge_start = True
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merge_col_start = c-1 # start merge from previous column
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elif v != prev_cell_val and merge_start:
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merge_start = False
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ws.merge_cells(start_row=row+row_offset,
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end_row=row+row_offset,
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start_column=max(merge_col_start,1),
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end_column=max(c-1,1)) # end merge to previous column
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prev_cell_val = v
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# Incement row counter
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row_offset += 1
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# End week preferences for this student
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student_end: int = row + row_offset -1
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# Merge Week, thick border
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# ws.cell(row=student_start, column=week_index).border = border_all
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# ws.merge_cells(start_row=student_start, end_row=student_end, start_column=week_index, end_column=week_index)
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# Merge Name, thick border
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ws.cell(row=student_start, column=student_index).border = border_all
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ws.merge_cells(start_row=student_start, end_row=student_end, start_column=student_index, end_column=student_index)
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# Merge Course
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ws.merge_cells(start_row=student_start, end_row=student_end, start_column=course_index, end_column=course_index)
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# Merge Cell
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ws.merge_cells(start_row=student_start, end_row=student_end, start_column=cell_index, end_column=cell_index)
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# Merge Mail
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ws.merge_cells(start_row=student_start, end_row=student_end, start_column=mail_index, end_column=mail_index)
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# Add thick border to the last cell row of this student
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for i in range(course_index, len(all_data[0])+1):
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ws.cell(row=student_end, column=i).border = border_bottom
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# Keep the largest column
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for column_cells in ws.columns:
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length: int = max(len(str(cell.value)) for cell in column_cells)
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col_letter: str = "A"
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if column_cells[0].column:
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col_letter = get_column_letter(column_cells[0].column)
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ws.column_dimensions[col_letter].width = length + 2
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### End of Student Loop ###
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# Save document in HttpResponse
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wb.save(response)
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return response |