import csv

from django.shortcuts import render
from django.http import HttpResponse

from . import services

def index(request):
    data = services.overview()
    return render(request, 'index.html', data)

def meter_runs(request):
    """Render the table of exported MeterRun results in html"""
    data = services.meterruns_export()
    return render(request, 'project_run_table.html', data)

def csv_export(request):
    """Return a dump of all the MeterRuns in CSV form"""
    response = HttpResponse(content_type="text/csv")
    response["Content-Disposition"] = 'attachment; filename="meter_runs.csv"'

    writer = csv.writer(response)
    writer.writerow(['First row', 'Foo', 'Bar'])

    return response
import csv

from django.shortcuts import render
from django.http import HttpResponse

from . import services

def index(request):
    data = services.overview()
    return render(request, 'index.html', data)

def meter_runs(request):
    """Render the table of exported MeterRun results in html"""
    data = services.meterruns_export()
    return render(request, 'project_run_table.html', data)

def csv_export(request):
    """Return a dump of all the MeterRuns in CSV form"""
    response = HttpResponse(content_type="text/csv")
    response["Content-Disposition"] = 'attachment; filename="meter_runs.csv"'

    data = services.meterruns_export()

    writer = csv.DictWriter(response, fieldnames=data['headers'])
    writer.writeheader()
    for meter_run in data['meter_runs']:
        writer.writerow(meter_run)

    return response
Use the meterrun_export service to power csv export
Use the meterrun_export service to power csv export

  import csv
  
  from django.shortcuts import render
  from django.http import HttpResponse
  
  from . import services
  
  def index(request):
      data = services.overview()
      return render(request, 'index.html', data)
  
  def meter_runs(request):
      """Render the table of exported MeterRun results in html"""
      data = services.meterruns_export()
      return render(request, 'project_run_table.html', data)
  
  def csv_export(request):
      """Return a dump of all the MeterRuns in CSV form"""
      response = HttpResponse(content_type="text/csv")
      response["Content-Disposition"] = 'attachment; filename="meter_runs.csv"'
  
-     writer = csv.writer(response)
-     writer.writerow(['First row', 'Foo', 'Bar'])
+     data = services.meterruns_export()
+ 
+     writer = csv.DictWriter(response, fieldnames=data['headers'])
+     writer.writeheader()
+     for meter_run in data['meter_runs']:
+         writer.writerow(meter_run)
  
      return response
Use the meterrun_export service to power csv export
## Code Before:
import csv

from django.shortcuts import render
from django.http import HttpResponse

from . import services

def index(request):
    data = services.overview()
    return render(request, 'index.html', data)

def meter_runs(request):
    """Render the table of exported MeterRun results in html"""
    data = services.meterruns_export()
    return render(request, 'project_run_table.html', data)

def csv_export(request):
    """Return a dump of all the MeterRuns in CSV form"""
    response = HttpResponse(content_type="text/csv")
    response["Content-Disposition"] = 'attachment; filename="meter_runs.csv"'

    writer = csv.writer(response)
    writer.writerow(['First row', 'Foo', 'Bar'])

    return response
## Instruction:
Use the meterrun_export service to power csv export
## Code After:
import csv

from django.shortcuts import render
from django.http import HttpResponse

from . import services

def index(request):
    data = services.overview()
    return render(request, 'index.html', data)

def meter_runs(request):
    """Render the table of exported MeterRun results in html"""
    data = services.meterruns_export()
    return render(request, 'project_run_table.html', data)

def csv_export(request):
    """Return a dump of all the MeterRuns in CSV form"""
    response = HttpResponse(content_type="text/csv")
    response["Content-Disposition"] = 'attachment; filename="meter_runs.csv"'

    data = services.meterruns_export()

    writer = csv.DictWriter(response, fieldnames=data['headers'])
    writer.writeheader()
    for meter_run in data['meter_runs']:
        writer.writerow(meter_run)

    return response