ojuso-map/apps/map/models.py

991 lines
31 KiB
Python

import datetime
from urllib import parse
from django.contrib.gis.db import models
from django.contrib.auth.models import User
from django_extensions.db.fields import AutoSlugField
from django_countries.fields import CountryField
from django.utils.translation import ugettext as _
from django.template.defaultfilters import slugify
from multiselectfield import MultiSelectField
from . import validators
class Shapefile(models.Model):
file = models.FileField(
upload_to='shapefiles/',
)
class CaseStudy(models.Model):
"""Model for case studies submitted to the Ojuso Platform"""
# Choice lists for drop-downs
SECTOR_CHOICES = (
(_('Renewable Energy Generation'), (
('WND', _('Wind')),
('SOL', _('Solar')),
('HYD', _('Hydro')),
)),
('PG', _('Power Grids')),
('SM', _('Supply of Minerals')),
)
POSITIVE_NEGATIVE_CHOICES = (
('P', _('Positive')),
('N', _('Negative'))
)
LAND_OWNERSHIP_CHOICES = (
('PRI', _('Private Land')),
('PUB', _('Public Land')),
('COM', _('Community Land')),
('OTH', _('Other')),
)
LOCATION_CONTEXT_CHOICES = (
('RUR', _('Rural')),
('URB', _('Urban')),
)
TYPE_OF_ECOSYSTEM_CHOICES = (
(_('Water Based'), (
('MARINE', _('Marine (e.g. Ocean, Sea)')),
('FRESH', _('Freshwater (e.g. Freshwater, Lake)')),
)),
(_('Land Based'), (
('FOREST', _('Forest/Jungle')),
('AGRI', _('Agricultural Land')),
('GRASS', _('Grassland')),
('DESERT', _('Desert (Tundra, Ice or Sand)')),
('WETLND', _('Wetland (Marsh, Mangrove, Peat Soil)')),
('URBAN', _('Urban')),
))
)
PROJECT_STATUS_CHOICES = (
('EXSTNG', _('Existing Project')),
('UCONST', _('Under Construction')),
('PROJCD', _('Projected Project')),
)
GENERATION_TECHNOLOGY_CHOICES = (
(_('Wind energy'), (
('SSWE', _('Small-scale (less than 500kW)')),
('LSWE', _('Large-scale (more than 500kW)'))
)),
(_('Photovoltaic electricity'), (
('SSPV', _('Small-scale (less than 500kW)')),
('LSPV', _('Large-scale (more than 500kW)'))
)),
(_('Hydroelectric'), (
('SHYD', _('Small-scale (less than 1MW)')),
('MHYD', _('Medium-scale (between 1-20MW)')),
('LHYD', _('Large-scale (more than 20MW - often not considered renewable)')),
)),
('STHE', _('Solar thermal electricity (e.g using parabolic reflectors)')),
('GEOT', _('Geothermal electricity')),
('BIOG', _('Biogas turbine')),
('OTHB', _('Other biomass (including liquid/solid biofuel)')),
('OTHR', _('Other (tidal, wave etc)'))
)
POWER_TECHNOLOGY_CHOICES = (
('PT', _('Power transmission (grid lines, substations etc)')),
('ES', _('Energy storage (pumped storage, compressed air, battery systems etc')),
('OT', _('Others'))
)
TYPE_OF_EXTRACTION_CHOICES = (
('SUR', _('Surface (open pit/open cast/open cut mining')),
('SUB', _('Sub-surface (underground mining)')),
('SEA', _('Seabed mining')),
('URB', _('Urban mining/recycling'))
)
MINERAL_COMMODITY_CHOICES = (
('ALU', _('Aluminium (Bauxite)')),
('ARS', _('Arsenic')),
('BER', _('Beryllium')),
('CAD', _('Cadmium')),
('CHR', _('Chromium')),
('COK', _('Coking')),
('COA', _('Coal (for steel)')),
('COP', _('Copper')),
('GAL', _('Gallium')),
('GER', _('Germanium')),
('GLD', _('Gold')),
('HRE', _('Heavy Rare Earth Elements (Gadolinium, Terbium, Dysprosium, Holmium, Erbium, Thulium, Ytterbium, Lutetium, Yttrium, Scandium)')),
('IRN', _('Iron')),
('LRE', _('Light Rare Earth Elements (Lanthanum, Cerium, Praseodymium, Neodymium, Promethium, Samarium, Europium)')),
('LED', _('Lead')),
('LIT', _('Lithium')),
('MAN', _('Manganese')),
('MER', _('Mercury')),
('MOL', _('Molybdenum')),
('NIC', _('Nickel')),
('NIO', _('Niobium')),
('PGM', _('Platinum group metals (ruthenium, rhodium, palladium, osmium, iridium, and platinum)')),
('RHE', _('Rhenium')),
('SIL', _('Silicon')),
('SIV', _('Silver')),
('TAN', _('Tantalum')),
('TEL', _('Tellurium')),
('THA', _('Thallium')),
('TIN', _('Tin')),
('TIT', _('Titanium')),
('TUN', _('Tungsten')),
('VAN', _('Vanadium')),
('ZNC', _('Zinc')),
('OTR', _('Other'))
)
USE_IN_ENERGY_ECONOMY_CHOICES = (
('WTM', _('Wind turbine manufacturing')),
('SPM', _('Solar panel manufacturing')),
('STM', _('Solar thermal system manufacturing')),
('HGM', _('Hydropower generator manufacturing')),
('GGM', _('Geothermal generator manufacturing')),
('ESS', _('Energy storage (inc. battery systems)')),
('OTR', _('Others'))
)
POSITIVE_CASE_TYPE_CHOICES = (
('CREP', _('Community renewable energy project')),
('EACP', _('Energy as a commons project')),
('PSEP', _('Public/state (federal, state, municipal) energy project')),
('CORS', _('A case of responsible sourcing/supply chain/lifecycle management')),
)
NEGATIVE_CASE_REASONS_CHOICES = (
('VOLR', _('Violation of land rights')),
('VOHR', _('Violation of fundamental human rights, indigenous rights and/or other collective rights')),
('EIMP', _('Environmental impacts (severe impacts on ecosystems / violation of laws, plans or programs of \
environmental conservation or territorial governance systems etc.')),
('NCUL', _('Negative cultural impacts (erosion/destruction of bio-cultural heritage, impacts on sacred land \
etc)')),
('AGGR', _('Aggression/threats to community members opposed to the project, collaboration with organized crime \
etc')),
('ALAB', _('Abusive labour practices')),
('CRUP', _('Corruption and/or irregular permitting or contracting, conflicts of interest etc')),
('OTHR', _('Other reasons'))
)
# Dynamically generate a list of choices 40 years prior and after the current year.
YEAR_CHOICES = [(r, r) for r in
range((datetime.datetime.now().year - 40),
(datetime.datetime.now().year + 41))]
##
# Meta Fields
##
# User who submitted case study
author = models.ForeignKey(
User,
models.SET_NULL,
blank=True,
null=True,
editable=False
)
# Date and time of submission
date_created = models.DateTimeField(auto_now_add=True, null=False)
# Slug derived from entry_name, used in urls for SEO
slug = AutoSlugField(populate_from=['entry_name'], editable=False)
##
# First Screen - Basic information
##
# 1.1
entry_name = models.CharField(
verbose_name=_("Entry Name"),
help_text=_("Enter the name of the entry. This should usually be the\
name of project."),
max_length=128
)
# N/A - Not explicitly listed in spec
location = models.PointField(
verbose_name=_("Project location"),
help_text=_("Place a marker using the tools on the left of the map. Zoom in as far as you can so the placement \
is accurate (important)")
)
# 1.2
sector_of_economy = models.CharField(
verbose_name=_("Sector of economy"),
help_text=_("Which sector of the renewable energy economy is most\
relevant?"),
max_length=3,
choices=SECTOR_CHOICES
)
# 1.3
positive_or_negative = models.CharField(
verbose_name=_("Positive or negative?"),
help_text=_("Is the case study a positive case or a negative case?"),
max_length=1,
choices=POSITIVE_NEGATIVE_CHOICES
)
# 1.4
country = CountryField(
verbose_name=_("Country field"),
help_text=_("Select the country of the project")
)
# 1.5.1
area_of_land = models.IntegerField(
verbose_name=_("Approximate land area"),
help_text=_("The area of land covered by the project (in km²)")
)
# 1.5.2
land_ownership = models.CharField(
verbose_name=_("Land ownership"),
help_text=_("What type of ownership does the land fall under?"),
max_length=3,
choices=LAND_OWNERSHIP_CHOICES
)
# 1.5.3
land_ownership_details = models.CharField(
verbose_name=_("Land ownership details"),
help_text=_("Please specify details about land ownership if you chose 'other'"),
max_length=256,
null=True,
blank=True,
)
# 1.5.4
location_context = models.CharField(
verbose_name=_("Location"),
help_text=_("Select the context that is most applicable to this case\
study."),
max_length=3,
choices=LOCATION_CONTEXT_CHOICES
)
# 1.5.5
type_of_ecosystem = models.CharField(
verbose_name=_("Type of ecosystem"),
help_text=_("Select the most relevant type of ecosystem."),
max_length=6,
choices=TYPE_OF_ECOSYSTEM_CHOICES,
default=None,
null=True,
blank=True
)
# 1.5.5.3
describe_ecosystem = models.TextField(
verbose_name=_("Describe the ecosystem"),
help_text=_("In your own words, add more detail about the ecosystem."),
)
# 1.5.6
affects_indigenous = models.BooleanField(
verbose_name=_("Affects indigenous people?"),
help_text=_("Does the project affect indigenous communities?")
)
# 1.5.6.1
affects_indigenous_detail = models.CharField(
verbose_name=_("Affects Indigenous - Details"),
help_text=_("What group of indigenous people does the community belong\
to?"),
max_length=256,
default=None,
null=True,
blank=True
)
# 1.6
project_status = models.CharField(
verbose_name=_("Status of Project"),
help_text=_("What is the status of the current project?"),
max_length=6,
choices=PROJECT_STATUS_CHOICES
)
# 1.7
start_year = models.IntegerField(
verbose_name=_("Start year"),
help_text=_("Select the year the project was started. \
If the project hasn't begun, select the projected start year."),
choices=YEAR_CHOICES,
default=None,
null=True,
blank=True
)
# 1.8
completion_year = models.IntegerField(
verbose_name=_("Completion year"),
help_text=_("Select the year the project was completed. \
If the project hasn't finished, select the projected completion year."),
choices=YEAR_CHOICES,
default=None,
null=True,
blank=True
)
# 1.9
synopsis = models.TextField(
verbose_name=_("Synopsis"),
help_text=_("Briefly describe the project. This will be displayed at\
the top of the case study page. Maximum 500 chars (about \
3½ tweets)")
)
# 1.10
full_description = models.TextField(
verbose_name=_("Full Description"),
help_text=_("Describe the project in full. Separate paragraphs with a\
new line Please add as much detail as you feel is necessary\
here.")
)
# 1.11
project_owners = models.CharField(
verbose_name=_("Project and facility owners"),
help_text=_("List companies or organisations that own the project and/or facilities. Separate with a comma."),
max_length=120,
default=None,
null=True,
blank=True
)
# 1.12
shareholders = models.CharField(
verbose_name=_("Shareholders of the project owners"),
help_text=_("List shareholders of the project owners you've just listed. Separate with a comma."),
max_length=120,
default=None,
null=True,
blank=True
)
# 1.13
financial_institutions = models.CharField(
verbose_name=_("Financial institutions"),
help_text=_("List banks and other financial institutions that have or are considering extending loans \
or guarantees to the project. Separate with a comma."),
max_length=120,
default=None,
null=True,
blank=True
)
# 1.14
energy_customers = models.CharField(
verbose_name=_("Energy consumers"),
help_text=_("List any wholesale energy customers that take energy from the development. E.g. 'national \
grids' or private energy suppliers."),
max_length=120,
default=None,
null=True,
blank=True
)
# 1.15.1
image = models.ImageField(
verbose_name=_("Image")
)
# 1.15.2
image_caption = models.CharField(
verbose_name=_("Image caption"),
max_length=500,
default=None,
null=True,
)
# 1.15.3
image_credit = models.CharField(
verbose_name=_("Image credit(s)"),
max_length=200,
default=None,
null=True,
)
# 1.16.1
video = models.URLField(
verbose_name=_("YouTube Video"),
help_text=_("Copy the URL to a related YouTube™ video that relates to the case study."),
max_length=43,
validators=[validators.YoutubeURLValidator()]
)
# 1.16.2
video_caption = models.CharField(
verbose_name=_("Video caption"),
max_length=500,
default=None,
null=True,
)
# 1.16.3
video_credit = models.CharField(
verbose_name=_("Video credit(s)"),
max_length=500,
default=None,
null=True,
)
# 1.17.1
media_coverage_mainstream = models.TextField(
verbose_name=_("Links to media reports"),
help_text=_("Provide any links to mainstream media coverage."),
max_length=500,
default=None,
null=True,
)
# 1.17.2
media_coverage_independent = models.TextField(
verbose_name=_("Independent grassroots reports"),
help_text=_("Provide any links to grassroots/independent media coverage."),
max_length=500,
default=None,
null=True,
)
# 1.18.1
community_voices = models.TextField(
verbose_name=_("Community Voices"),
help_text=_("Add any direct quotes from members of the community that \
relate to this project")
)
# 1.18.2
direct_comms = models.TextField(
verbose_name=_("Reports of direct communications"),
help_text=_("Add any reports of direct communication between community members and \
representatives of developers/companies/investors."),
max_length=500,
default=None,
null=True,
)
# 1.18.3
social_media_links = models.TextField(
verbose_name=_("Social media links"),
help_text=_("Add any links to social media accounts directly relating to the project."),
max_length=500,
default=None,
null=True,
blank=True
)
##
# Second Screen - Technical and economic analysis
##
# 2.1 - Renewable Energy Generation
# 2.1.1
generation_technology = models.CharField(
verbose_name=_("Generation technology"),
help_text=_("Select the type of renewable energy generation that most applies to this case study."),
max_length=4,
choices=GENERATION_TECHNOLOGY_CHOICES,
default=None,
null=True,
blank=True
)
# 2.1.1.12
# Should be filled in if 2.1.1 was answered as biogas or biomass.
biomass_detail = models.CharField(
verbose_name=_("Description of feedstock"),
help_text=_("If you selected biogas or biomass, please describe the feedstock (where the fuel came from e.g. \
corn, algae, anaerobic digestion, commercial waste etc)"),
max_length=200,
default=None,
null=True,
blank=True
)
# 2.1.1.14
generation_technology_other = models.CharField(
verbose_name=_("Other generation type"),
help_text=_("If you selected other, please specify the generation technology (e.g. tidal, wave etc)"),
max_length=200,
default=None,
null=True,
blank=True
)
# 2.1.2
total_generation_capacity = models.PositiveIntegerField(
verbose_name=_("Total generation capacity (in kW)"),
help_text=_("Please enter the total generation capacity of the project in kW"),
default=None,
null=True,
blank=True,
)
# 2.1.3
# TODO: Auto-completion based on previous entries so we can query case-studies with the same answer.
generation_equipment_supplier = models.TextField(
verbose_name=_("Generation equipment supplier"),
help_text=_("Enter the supplier of the generation equipment. (E.g. Siemens)"),
default=None,
null=True,
blank=True
)
# 2.1.4
total_investment = models.IntegerField(
verbose_name=_("Total investment (in USD)"),
help_text=_("The approximate total investment for the project in USD."),
default=None,
null=True,
blank=True
)
# 2.1.5
technical_or_economic_details = models.CharField(
verbose_name=_("Additional technical or economic details"),
help_text=_("Specify any additional technical or economic details relating to the project."),
max_length=500,
default=None,
null=True,
blank=True
)
# 2.2 - Power Grids / Energy Storage
# 2.2.1
power_technology = models.CharField(
verbose_name=_("Power technology"),
help_text=_("Select the related energy technology."),
max_length=2,
choices=POWER_TECHNOLOGY_CHOICES,
default=None,
null=True,
blank=True
)
# 2.2.1.4
power_technology_other = models.CharField(
verbose_name=_("Other power technology"),
help_text=_("If you answered 'others', please specify the power technologies."),
max_length=128,
default=None,
null=True,
blank=True
)
# 2.2.2
energy_storage_capacity = models.IntegerField(
verbose_name=_("Energy storage capacity"),
help_text=_("Enter the total capacity of the energy storage system."),
default=None,
null=True,
blank=True
)
# 2.2.2.1
maximum_power_output = models.BigIntegerField(
verbose_name=_('Maximum power output'),
help_text=_('Enter the maximum power output of the storage system in Watts (W). (W=J/s)'),
default=None,
null=True,
blank=True
)
# 2.2.2.2
discharge_time = models.BigIntegerField(
verbose_name=_('Time for discharge from full capacity'),
help_text=_('Enter the time it takes to discharge from full capacity at maximum power output (in seconds) \
(1h=3600s)'),
default=None,
null=True,
blank=True
)
# 2.2.3
contractor_or_supplier_of_technology = models.CharField(
verbose_name=_('Contractor and/or supplier of technology'),
help_text=_('List companies that act as contractors or suppliers of technology related to energy storage.'),
max_length=256,
default=None,
null=True,
blank=None
)
# 2.2.4
approximate_total_investment = models.PositiveIntegerField(
verbose_name=_('Approximate total investment'),
help_text=_('Enter the approximate total investment in USD ($).'),
default=None,
null=True,
blank=None
)
# 2.2.5
additional_technical_details = models.CharField(
verbose_name=_("Additional technical or economic details"),
help_text=_("Add any additional details such as: length, from-to, voltage, substations etc"),
max_length=512,
default=None,
null=True,
blank=True
)
# 2.3.1.1
minerals_or_commodities = models.CharField(
verbose_name=_("Mineral commodity/commodities"),
help_text=_("Select the mineral commodity that is primarily mined in this project"),
max_length=3,
choices=MINERAL_COMMODITY_CHOICES,
default=None,
null=True,
blank=True
)
# 2.3.1.2
minerals_or_commodities_other = models.CharField(
verbose_name=_("Other mineral commodity"),
help_text=_("Enter the mineral commodity that isn't in the list."),
max_length=64,
default=None,
null=True,
blank=True
)
# 2.3.2
use_in_energy_economy = models.CharField(
verbose_name=_("Potential user in renewable energy economy"),
help_text=_("Select the potential use of the minerals in the renewable energy economy"),
max_length=3,
choices=USE_IN_ENERGY_ECONOMY_CHOICES,
default=None,
null=True,
blank=True
)
# 2.3.2.9
use_in_energy_economy_other = models.CharField(
verbose_name=_('Other use in energy economy'),
max_length=128,
default=None,
null=True,
blank=True
)
# 2.3.3.1
project_life_span = models.CharField(
verbose_name=_("Project life span"),
help_text=_("e.g. 12 years of production, 15 years overall"),
max_length=200,
default=None,
null=True,
blank=None
)
# 2.3.3.2
size_of_concessions = models.CharField(
verbose_name=_("Size of concessions"),
help_text=_("Describe the size of concession(s) granted to company/companies (e.g. 'one concession encompassing\
2,300 hectares')"),
max_length=200,
default=None,
null=True,
blank=None
)
# 2.3.3.3
projected_production_of_commodities = models.CharField(
verbose_name=_("Projected production of key commodities"),
help_text=_("Describe the projected production of commodities per annum and overall (e.g. '40 million tonnes of\
iron ore per year, 200 million tonnes over 5 year life of mine'"),
max_length=256,
default=None,
null=True,
blank=None
)
# 2.3.4
type_of_extraction = models.CharField(
verbose_name=_("Type of extraction"),
max_length=2,
choices=TYPE_OF_EXTRACTION_CHOICES,
default=None,
null=True,
blank=True
)
# 2.3.5
associated_infrastructure = models.CharField(
verbose_name=_("Associated infrastructure in the locality"),
help_text=_("List any associated infrastructure in the locality (e.g. tailings dams/mine waste storage and \
treatment facilities; ore processing facilities; smelting facilities; hydroelectric dams/energy infrastructure;\
transport infrastructure e.g. roads or rail."),
max_length=256,
default=None,
null=True,
blank=True
)
##
# Third Screen - Socio-economic analysis
##
# 3.1.1
positive_case_type = models.CharField(
verbose_name=_('What kind of positive case is this entry about?'),
help_text=_('Select the most relevant type of positive case'),
choices=POSITIVE_CASE_TYPE_CHOICES,
max_length=4,
default=None,
null=True,
blank=True,
)
# 3.1.2
socioeconomic_benefits = models.TextField(
verbose_name=_('Socio-economic benefits'),
help_text=_('Please expand on your response given in the full description on page one. We would expect \
benefits to go beyond emissions savings, paying rent for land, or complying with environmental or social \
legislation'),
default=None,
null=True,
blank=True
)
# 3.1.3 + 3.2.5
key_actors_involved = models.CharField(
verbose_name=_('Key actors involved (individual/organisational)'),
max_length=256,
default=None,
null=True,
blank=True
)
# 3.1.4
project_status_detail = models.TextField(
verbose_name=_('Current status of the project'),
help_text=_("Describe the current status of the project, expanding beyond 'existing', 'under construction' etc"),
default=None,
null=True,
blank=True
)
# 3.1.5
obstacles_and_hindrances = models.CharField(
verbose_name=_('Obstacles and hindrances'),
help_text=_('List any obstacles or hindrances experienced in the course of the project'),
max_length=512,
default=None,
null=True,
blank=True
)
# 3.1.6
identified_partnerships = models.CharField(
verbose_name=_('Identified partnerships'),
help_text=_('Are you looking for partnerships or have any clearly identified need? If so, please describe it \
here.'),
max_length=256,
default=None,
null=True,
blank=True
)
# 3.1.7.1 + 3.2.8.1
# 3.1.7.2 + 3.2.8.1
# 3.1.7.3 + 3.2.8.1
# 3.1.7.4 + 3.2.8.1
# 3.1.7.5 + 3.2.8.1
# 3.1.7.6 + 3.2.8.1
# 3.2.1
negative_case_reasons = MultiSelectField(
choices=NEGATIVE_CASE_REASONS_CHOICES,
default=None,
null=True,
blank=True
)
# 3.2.1.9
negative_case_reasons_other = models.CharField(
verbose_name=_("Other reason for negative case"),
help_text=_("Please include other reasons, noting that we aim to focus on projects with substantive negative \
impacts on vulnerable groups."),
max_length=512,
default=None,
null=True,
blank=True
)
# 3.2.2
negative_socioenvironmental_impacts = models.TextField(
verbose_name=_("Describe the negative socio-environmental impacts"),
help_text=_("Provide a detailed description of the negative socio-environmental impacts (please provide all \
relevant details, such as type of ecosystem and presence of any existing reserve in the area, \
, specific communities affected by the project, total geographic footprint of the project, and \
tenure system affected in the case of land grabs, kind of permits that were irregularly issued if \
this is the case."),
default=None,
null=True,
blank=True
)
# 3.2.3
isolated_or_widespread = models.TextField(
verbose_name=_("Describe if the project is isolated or commonplace."),
help_text=_("Is this an isolated project or are there similar projects in the same geographic area? If there \
are more, can you describe them? Are there any significant cumulative synergistic effects?"),
default=None,
null=True,
blank=True
)
# 3.2.4.1
when_did_organising_start = models.CharField(
verbose_name=_("When did local organising efforts begin?"),
help_text=_("Before the project started? During project implementation? After project implementation? \
Describe in your own words."),
max_length=512,
default=None,
null=True,
blank=True
)
# 3.2.4.2
who_has_been_involved = models.CharField(
verbose_name=_("Which communities, groups and organisations have been involved?"),
max_length=512,
default=None,
null=True,
blank=True
)
# 3.2.4.3
participation_mechanisms = models.CharField(
verbose_name=_("What mechanisms of participation have been used?"),
help_text=_("e.g. direct action, local referendums, legal cases, letters or petitions etc"),
max_length=512,
default=None,
null=True,
blank=True
)
# 3.2.6
potential_partnerships = models.CharField(
verbose_name=_("Describe potential partnerships"),
help_text=_("Are you looking for partnerships or do you have any clearly identified need? If so, please \
describe it here."),
max_length=512,
default=None,
null=True,
blank=True
)
# 3.2.7
wants_conversation_with_ojuso = models.BooleanField(
verbose_name=_("Would you like to have a conversation with the ojuso team?"),
help_text=_("This would be a conversation about challenging or engaging related developers, companies and \
investors."),
default=True
)
##
# Fourth Screen - Uploads
##
# 4.1
official_project_documents = models.FileField(
verbose_name=_("Official project documents"),
help_text=_("Attach any legal or official documents that relate to the project."),
default=None,
null=True,
blank=True,
)
# 4.2
other_documents = models.FileField(
verbose_name=_("Other documents"),
help_text=_("Attach any other documents that relate to the project."),
default=None,
null=True,
blank=True,
)
# 4.3.1
shapefiles = models.FileField(
verbose_name=_("Shapefiles"),
help_text=_("If you have territory that you would like to show in relation to this project - e.g. Bienes \
Comunales de Ixtepec etc. This is a set of 3 or more (often 5-6) files with file extensions like \
.cpg, .dbf, .prj, .qpj, .shp, .shx"),
default=None,
null=True,
blank=True
)
# 4.3.2
coordinate_reference_system = models.CharField(
verbose_name=_("Coordinate reference system"),
help_text=_("Enter the coordinate reference system of the shapefiles."),
max_length=12,
default=None,
null=True,
blank=True
)
# 4.3.3
name_of_territory_or_area = models.CharField(
verbose_name=_("Name of territory or area"),
max_length=512,
default=None,
null=True,
blank=True
)
# 4.4
shown_on_other_platforms = models.BooleanField(
verbose_name=_("Show on other platforms?"),
help_text=_("Tick the box if you would like us to show this case study on other social media platforms"),
)
# 4.4.1
shown_on_other_platforms_detail = models.CharField(
verbose_name=_("Show on other platforms - Detail"),
help_text=_("List the social media platforms that you would like us to specifically publish the case study on"),
max_length=128,
null=True,
blank=True
)
def __str__(self):
"""The String representation of the case study. (Entry name with country name.)"""
return "%s in %s" % (self.entry_name, self.country.name)
def clean(self, *args, **kwargs):
"""Perform validation on the model as a whole and throw a ValidationError if anything isn't how it should be."""
pass
def save(self, *args, **kwargs):
"""Override the save method to create a slug when the model is created. Slug is only created and never modified
as we are basing our URLs on it and don't want it to change - ever."""
if not self.pk:
# Newly created object, so set slug
self.slug = slugify(self.entry_name)
# Continue normal save method by calling original save method.
super(CaseStudy, self).save(*args, **kwargs)
def get_video_id(self):
"""Gets the 11 character YouTube video ID from the video field."""
return parse.parse_qs(parse.urlparse(self.video).query)["v"][0]