def generate_map_image(self, **kwargs):
user = self.user
project = self.project
# Attempting to make fake image
image = Image.new('RGB', (200, 100))
tmp_file = 'test.jpg'
image.save(tmp_file)
author_string = 'Author of the media file'
tags = "j,k,l"
with open(tmp_file, 'rb') as data:
photo_data = {
'attribution':
user.username,
'host':
settings.SERVER_HOST,
'owner':
user,
'last_updated_by':
user,
'project':
self.project,
# generic does not have 'generateID'
# according to test error despite that
# generic has the function
'uuid':
generic.generateID(),
'status':
StatusCode.objects.get(id=StatusCode.READY_FOR_PROCESSING),
}
map_image = MapImage.objects.create(**photo_data)
map_image.process_mapImage_to_S3(File(data))
return map_image
def generate_map_image(self, **kwargs):
user = self.user
project = self.project
# Attempting to make fake image
image = Image.new('RGB', (200, 100))
tmp_file = 'test.jpg'
image.save(tmp_file)
author_string = 'Author of the media file'
tags = "j,k,l"
with open(tmp_file, 'rb') as data:
photo_data = {
'attribution': user.username,
'host': settings.SERVER_HOST,
'owner': user,
'last_updated_by': user,
'project': self.project,
# generic does not have 'generateID'
# according to test error despite that
# generic has the function
'uuid': generic.generateID(),
'status': StatusCode.objects.get(
id=StatusCode.READY_FOR_PROCESSING),
}
map_image = MapImage.objects.create(**photo_data)
map_image.process_mapImage_to_S3(File(data))
return map_image
def create(self, validated_data):
# Overriding the create method to handle file processing
# owner = self.context.get('request').user
f = self.initial_data.get('media_file')
# ensure filetype is valid:
upload_helpers.validate_file(f, self.ext_whitelist)
owner = self.context.get('request').user
validated_data = {}
validated_data.update(self.validated_data)
validated_data.update(self.get_presave_create_dictionary())
validated_data.update({
'uuid':
generic.generateID(),
'status':
models.StatusCode.objects.get(
id=models.StatusCode.READY_FOR_PROCESSING),
'upload_source':
models.UploadSource.objects.get(id=models.UploadSource.WEB_FORM),
'attribution':
validated_data.get('attribution') or owner.username,
'host':
settings.SERVER_HOST
})
self.instance = self.Meta.model.objects.create(**validated_data)
# process map onto the instance
# from localground.apps.tasks import process_map
# result = process_map.delay(self.instance)
# now save the map_image to S3
self.instance.process_mapImage_to_S3(f)
return self.instance
def create_print(self, layout_id=1, map_provider=1,
lat=55, lng=61.4, zoom=17,
map_title='A title',
instructions='A description',
tags=[], generate_pdf=True):
from localground.apps.site import models
from django.contrib.gis.geos import Point
uuid = generic.generateID()
p = models.Print.insert_print_record(
self.user,
self.project,
models.Layout.objects.get(id=layout_id),
models.TileSet.objects.get(id=map_provider),
zoom,
Point(lng, lat, srid=4326),
settings.SERVER_HOST,
map_title=map_title,
instructions=instructions,
mapimage_ids=None
)
d = {
'uuid': p.uuid,
'virtual_path': p.virtual_path,
'layout': models.Layout.objects.get(id=layout_id),
'name': 'Map Title!',
'description': 'Instructions!!!',
'map_provider': models.TileSet.objects.get(id=map_provider),
'zoom': 10,
'center': Point(lng, lat, srid=4326),
'project': self.project,
'northeast': p.northeast,
'southwest': p.southwest,
'extents': p.extents,
'host': p.host,
'map_image_path': p.map_image_path,
'pdf_path': p.pdf_path,
'preview_image_path': p.preview_image_path,
'map_width': p.map_width,
'map_height': p.map_height
}
p.tags = tags
p.save()
if generate_pdf:
# This comes straight from print serializer
# because it is needed to work for test data
# create the instance with valid data
# the problem is that how can I get a uuid for use in test?
# create the report and save
pdf_report = p.generate_pdf()
pdf_file_path = pdf_report.path + '/' + pdf_report.file_name
thumb_file_path = pdf_report.path + '/' + 'thumbnail.jpg'
p.pdf_path_S3.save(
pdf_report.file_name, File(open(pdf_file_path)))
p.map_image_path_S3.save(
'thumbnail_' + uuid + '.jpg', File(open(thumb_file_path)))
return p
def delete(self, *args, **kwargs):
# first remove directory, then delete from db:
import shutil
import os
path = self.get_abs_directory_path()
if os.path.exists(path):
dest = '%s/deleted/%s' % (settings.USER_MEDIA_ROOT, self.uuid)
if os.path.exists(dest):
from localground.apps.lib.helpers import generic
dest = dest + '.dup.' + generic.generateID()
try:
shutil.move(path, dest)
except:
#pass
raise Exception('error moving path from %s to %s' % (path, dest))
super(Print, self).delete(*args, **kwargs)
def save(self, user=None, *args, **kwargs):
from localground.apps.lib.helpers import generic
is_new = self.pk is None
# 1. ensure that user doesn't inadvertently change the data type of the
# column
if is_new:
if user and not hasattr(self, 'owner'):
self.owner = user
self.date_created = get_timestamp_no_milliseconds()
self.table_name = 'table_%s_%s' % (
self.owner.username.lower(), generic.generateID(num_digits=10))
if user:
self.last_updated_by = user
self.time_stamp = get_timestamp_no_milliseconds()
super(Dataset, self).save(*args, **kwargs)
def save(self, user=None, *args, **kwargs):
from localground.apps.lib.helpers import generic
is_new = self.pk is None
# 1. ensure that user doesn't inadvertently change the data type of the
# column
if is_new:
if user and not hasattr(self, 'owner'):
self.owner = user
self.date_created = get_timestamp_no_milliseconds()
self.table_name = 'table_%s_%s' % (
self.owner.username.lower(), generic.generateID(num_digits=10))
if user:
self.last_updated_by = user
self.time_stamp = get_timestamp_no_milliseconds()
super(Dataset, self).save(*args, **kwargs)
def create_mapimage(self, user, project, tags=[], name='MapImage Name'):
p = self.create_print(map_title='A mapimage-linked print')
mapimage = models.MapImage(
project=project,
owner=user,
last_updated_by=user,
source_print=p,
name=name,
uuid=generic.generateID(),
tags=tags,
description='MapImage Description',
status=models.StatusCode.get_status(
models.StatusCode.PROCESSED_SUCCESSFULLY),
upload_source=models.UploadSource.get_source(
models.UploadSource.WEB_FORM))
mapimage.save()
mapimage.processed_image = self.create_imageopt(mapimage)
mapimage.save()
return mapimage
def create_print_without_image(self,
layout_id=1,
map_provider=1,
lat=55,
lng=61.4,
zoom=17,
map_title='A title',
instructions='A description',
tags=[],
generate_pdf=True):
from django.conf import settings
from localground.apps.site import models
layout = models.Layout.objects.get(id=layout_id)
tileset = models.TileSet.objects.get(id=map_provider)
uuid = generic.generateID()
user = self.user
p = models.Print(uuid=uuid,
project=self.project,
zoom=zoom,
map_width=layout.map_width_pixels,
map_height=layout.map_height_pixels,
map_provider=tileset,
owner=user,
last_updated_by=user,
layout=layout,
host=settings.SERVER_HOST,
map_image_path='map.jpg',
pdf_path='Print_' + uuid + '.pdf',
preview_image_path='thumbnail.jpg',
name=map_title,
description=instructions,
center=None,
northeast=None,
southwest=None,
extents=None,
virtual_path='/%s/%s/%s/' %
(settings.USER_MEDIA_DIR, 'prints', uuid))
p.save()
return p
def create_mapimage(self, user=None, project=None, tags=[],
name='MapImage Name', generate_print=False):
from localground.apps.site import models
if generate_print:
p = self.create_print(
map_title='A mapimage-linked print'
)
else:
p = self.create_print_without_image(
map_title='A mapimage-linked print'
)
user = user or self.user
project = project or self.project
mapimage = models.MapImage(
project=project,
owner=user,
last_updated_by=user,
source_print=p,
name=name,
uuid=generic.generateID(),
tags=tags,
description='MapImage Description',
status=models.StatusCode.get_status(
models.StatusCode.PROCESSED_SUCCESSFULLY),
upload_source=models.UploadSource.get_source(
models.UploadSource.WEB_FORM),
virtual_path='/userdata/media/' + user.username + '/map-images/',
host=settings.SERVER_HOST,
file_name_orig='map_image.jpg',
file_name_thumb='map_image_thumb.jpg'
)
mapimage.save()
mapimage.processed_image = self.create_imageopt(mapimage)
mapimage.save()
return mapimage
def create_print_without_image(
self, layout_id=1, map_provider=1, lat=55, lng=61.4, zoom=17,
map_title='A title', instructions='A description', tags=[],
generate_pdf=True):
from django.conf import settings
from localground.apps.site import models
layout = models.Layout.objects.get(id=layout_id)
tileset = models.TileSet.objects.get(id=map_provider)
uuid = generic.generateID()
user = self.user
p = models.Print(
uuid=uuid,
project=self.project,
zoom=zoom,
map_width=layout.map_width_pixels,
map_height=layout.map_height_pixels,
map_provider=tileset,
owner=user,
last_updated_by=user,
layout=layout,
host=settings.SERVER_HOST,
map_image_path='map.jpg',
pdf_path='Print_' + uuid + '.pdf',
preview_image_path='thumbnail.jpg',
name=map_title,
description=instructions,
center=None,
northeast=None,
southwest=None,
extents=None,
virtual_path='/%s/%s/%s/' % (
settings.USER_MEDIA_DIR, 'prints', uuid
)
)
p.save()
return p
def process_file(self, file, owner):
#save to disk:
model_name_plural = models.Scan.model_name_plural
uuid = generic.generateID()
file_name_new = upload_helpers.save_file_to_disk(owner, model_name_plural, file, uuid=uuid)
file_name, ext = os.path.splitext(file_name_new)
# create thumbnail:
from PIL import Image
thumbnail_name = '%s_thumb.png' % file_name
media_path = upload_helpers.generate_absolute_path(owner, model_name_plural, uuid=uuid)
im = Image.open(media_path + '/' + file_name_new)
im.thumbnail([500, 500], Image.ANTIALIAS)
im.save('%s/%s' % (media_path, thumbnail_name))
return {
'uuid': uuid,
'file_name_orig': file.name,
'name': self.initial_data.get('name') or file.name,
'file_name_new': file_name_new,
'file_name_thumb': thumbnail_name,
'content_type': ext.replace('.', ''),
'virtual_path': upload_helpers.generate_relative_path(owner, model_name_plural, uuid=uuid)
}
def create_mapimage(self,
user=None,
project=None,
tags=[],
name='MapImage Name',
generate_print=False):
from localground.apps.site import models
if generate_print:
p = self.create_print(map_title='A mapimage-linked print')
else:
p = self.create_print_without_image(
map_title='A mapimage-linked print')
user = user or self.user
project = project or self.project
mapimage = models.MapImage(
project=project,
owner=user,
last_updated_by=user,
source_print=p,
name=name,
uuid=generic.generateID(),
tags=tags,
description='MapImage Description',
status=models.StatusCode.get_status(
models.StatusCode.PROCESSED_SUCCESSFULLY),
upload_source=models.UploadSource.get_source(
models.UploadSource.WEB_FORM),
virtual_path='/userdata/media/' + user.username + '/map-images/',
host=settings.SERVER_HOST,
file_name_orig='map_image.jpg',
file_name_thumb='map_image_thumb.jpg')
mapimage.save()
mapimage.processed_image = self.create_imageopt(mapimage)
mapimage.save()
return mapimage
def create_print(self,
layout_id=1,
map_provider=1,
lat=55,
lng=61.4,
zoom=17,
map_title='A title',
instructions='A description',
tags=[],
generate_pdf=True):
from localground.apps.site import models
from django.contrib.gis.geos import Point
uuid = generic.generateID()
p = models.Print.insert_print_record(
self.user,
self.project,
models.Layout.objects.get(id=layout_id),
models.TileSet.objects.get(id=map_provider),
zoom,
Point(lng, lat, srid=4326),
settings.SERVER_HOST,
map_title=map_title,
instructions=instructions,
mapimage_ids=None)
d = {
'uuid': p.uuid,
'virtual_path': p.virtual_path,
'layout': models.Layout.objects.get(id=layout_id),
'name': 'Map Title!',
'description': 'Instructions!!!',
'map_provider': models.TileSet.objects.get(id=map_provider),
'zoom': 10,
'center': Point(lng, lat, srid=4326),
'project': self.project,
'northeast': p.northeast,
'southwest': p.southwest,
'extents': p.extents,
'host': p.host,
'map_image_path': p.map_image_path,
'pdf_path': p.pdf_path,
'preview_image_path': p.preview_image_path,
'map_width': p.map_width,
'map_height': p.map_height
}
p.tags = tags
p.save()
if generate_pdf:
# This comes straight from print serializer
# because it is needed to work for test data
# create the instance with valid data
# the problem is that how can I get a uuid for use in test?
# create the report and save
pdf_report = p.generate_pdf()
pdf_file_path = pdf_report.path + '/' + pdf_report.file_name
thumb_file_path = pdf_report.path + '/' + 'thumbnail.jpg'
p.pdf_path_S3.save(pdf_report.file_name, File(open(pdf_file_path)))
p.map_image_path_S3.save('thumbnail_' + uuid + '.jpg',
File(open(thumb_file_path)))
return p
def insert_print_record(cls, user, project, layout, map_provider, zoom,
center, host, map_title=None, instructions=None,
layer_ids=None, scan_ids=None,
do_save=True):
from localground.apps.site import models
from localground.apps.lib.helpers import generic, StaticMap
layers, scans = None, None
if layer_ids is not None:
layers = models.WMSOverlay.objects.filter(id__in=layer_ids)
if scan_ids is not None:
scans = models.Scan.objects.filter(id__in=scan_ids)
if instructions is not None: # preserve line breaks in the pdf report
instructions = '<br/>'.join(instructions.splitlines())
# use static map helper function to calculate additional geometric
# calculations
m = StaticMap()
info = m.get_basemap_and_extents(
map_provider, zoom, center,
layout.map_width_pixels, layout.map_height_pixels
)
map_image = info.get('map_image')
northeast = info.get('northeast')
southwest = info.get('southwest')
bbox = (northeast.coords, southwest.coords)
bbox = [element for tupl in bbox for element in tupl]
extents = Polygon.from_bbox(bbox)
# Save the print
p = Print()
p.uuid = generic.generateID()
p.project = project
p.zoom = zoom
p.map_width = layout.map_width_pixels
p.map_height = layout.map_height_pixels
p.map_provider = map_provider
p.owner = user
p.last_updated_by = user
p.layout = layout
p.host = host
p.map_image_path = 'map.jpg'
p.pdf_path = 'Print_' + p.uuid + '.pdf'
p.preview_image_path = 'thumbnail.jpg'
p.name = map_title
p.description = instructions
p.center = center
p.northeast = northeast
p.southwest = southwest
p.extents = extents
p.virtual_path = p.generate_relative_path()
#raise Exception(p.to_dict())
if do_save:
p.save()
# todo: come back to this (if we want MapServer to render layers)
if layers:
for layer in layers:
p.stash(l, user)
if scans:
for scan in scans:
p.stash(scan, user)
return p
def insert_print_record(cls,
user,
project,
layout,
map_provider,
zoom,
center,
host,
map_title=None,
instructions=None,
mapimage_ids=None,
do_save=True):
from localground.apps.site import models
from localground.apps.lib.helpers import generic, StaticMap, \
Extents, AcetateLayer
layers, mapimages = None, None
if mapimage_ids is not None:
mapimages = models.MapImage.objects.filter(id__in=mapimage_ids)
if instructions is not None: # preserve line breaks in the pdf report
instructions = '<br/>'.join(instructions.splitlines())
# use static map helper function to calculate additional geometric
# calculations
m = StaticMap()
map_image = m.get_basemap(map_provider, zoom, center,
layout.map_width_pixels,
layout.map_height_pixels)
extents = Extents.get_extents_from_center_lat_lng(
center, zoom, layout.map_width_pixels, layout.map_height_pixels)
bbox = (extents.northeast.coords, extents.southwest.coords)
bbox = [element for tupl in bbox for element in tupl]
extents_polygon = Polygon.from_bbox(bbox)
# Save the print
p = Print()
p.uuid = generic.generateID()
p.project = project
p.zoom = zoom
p.map_width = layout.map_width_pixels
p.map_height = layout.map_height_pixels
p.map_provider = map_provider
p.owner = user
p.last_updated_by = user
p.layout = layout
p.host = host
p.map_image_path_S3 = 'map.jpg'
p.map_image_path = 'map.jpg'
p.pdf_path_S3 = 'Print_' + p.uuid + '.pdf'
p.pdf_path = 'Print_' + p.uuid + '.pdf'
p.preview_image_path = 'thumbnail.jpg'
p.name = map_title
p.description = instructions
p.center = center
p.northeast = extents.northeast
p.southwest = extents.southwest
p.extents = extents_polygon
p.virtual_path = p.generate_relative_path()
if do_save:
p.save()
# todo: come back to this (if we want MapServer to render layers)
if layers:
for layer in layers:
p.stash(l, user)
if mapimages:
for mapimage in mapimages:
p.stash(mapimage, user)
return p
def insert_print_record(
cls, user, project, layout, map_provider, zoom, center, host,
map_title=None, instructions=None, mapimage_ids=None,
do_save=True):
from localground.apps.site import models
from localground.apps.lib.helpers import generic, StaticMap, \
Extents, AcetateLayer
layers, mapimages = None, None
if mapimage_ids is not None:
mapimages = models.MapImage.objects.filter(id__in=mapimage_ids)
if instructions is not None: # preserve line breaks in the pdf report
instructions = '<br/>'.join(instructions.splitlines())
# use static map helper function to calculate additional geometric
# calculations
m = StaticMap()
map_image = m.get_basemap(
map_provider, zoom, center,
layout.map_width_pixels, layout.map_height_pixels
)
extents = Extents.get_extents_from_center_lat_lng(
center, zoom,
layout.map_width_pixels, layout.map_height_pixels
)
bbox = (extents.northeast.coords, extents.southwest.coords)
bbox = [element for tupl in bbox for element in tupl]
extents_polygon = Polygon.from_bbox(bbox)
# Save the print
p = Print()
p.uuid = generic.generateID()
p.project = project
p.zoom = zoom
p.map_width = layout.map_width_pixels
p.map_height = layout.map_height_pixels
p.map_provider = map_provider
p.owner = user
p.last_updated_by = user
p.layout = layout
p.host = host
p.map_image_path_S3 = 'map.jpg'
p.map_image_path = 'map.jpg'
p.pdf_path_S3 = 'Print_' + p.uuid + '.pdf'
p.pdf_path = 'Print_' + p.uuid + '.pdf'
p.preview_image_path = 'thumbnail.jpg'
p.name = map_title
p.description = instructions
p.center = center
p.northeast = extents.northeast
p.southwest = extents.southwest
p.extents = extents_polygon
p.virtual_path = p.generate_relative_path()
if do_save:
p.save()
# todo: come back to this (if we want MapServer to render layers)
if layers:
for layer in layers:
p.stash(l, user)
if mapimages:
for mapimage in mapimages:
p.stash(mapimage, user)
return p
