drugs/core/views/search.py

255 lines
8.7 KiB
Python

import urllib
import uuid
from django.conf import settings
from django.contrib.auth.mixins import LoginRequiredMixin
from django.http import HttpResponse, JsonResponse
from django.shortcuts import render
from django.urls import reverse
from django.views import View
from django_tables2 import SingleTableView
from mixins.views import (
ObjectCreate,
ObjectDelete,
ObjectList,
ObjectRead,
ObjectUpdate,
)
from core import db
from core.models import Drug
from core.views.ui.tables import DrugsTable
def make_table(context):
object_list = [x.__dict__ for x in context["object_list"]]
table = DrugsTable(object_list)
context["table"] = table
# del context["results"]
return context
def parse_dates(dates):
spl = dates.split(" - ")
if all(spl):
spl = [f"{x.replace(' ', 'T')}" for x in spl]
if not len(spl) == 2:
message = "Invalid dates"
message_class = "danger"
return {"message": message, "class": message_class}
from_ts, to_ts = spl
from_date, from_time = from_ts.split("T")
to_date, to_time = to_ts.split("T")
return {
"from_date": from_date,
"to_date": to_date,
"from_time": from_time,
"to_time": to_time,
}
def create_tags(query):
"""
Grab the tags out of the query and make a list
we can add to the Bulma tags element when the page loads.
"""
spl = query.split("AND")
spl = [x.strip() for x in spl if ":" in x]
spl = [x.replace('"', "") for x in spl]
tags = [f"{tag}: {elem}" for tag, elem in [x.split(":")[:2] for x in spl]]
return tags
def parse_tags(tags_pre):
"""
Parse the tags from the variable tags_pre.
"""
tags = []
tags_spl = tags_pre.split(",")
if tags_spl:
for tag in tags_spl:
tag = tag.split(": ")
if len(tag) == 2:
key, val = tag
tags.append({key: val})
return tags
class DrugsTableView(SingleTableView):
table_class = DrugsTable
template_name = "mixins/wm/widget.html"
window_content = "window-content/results.html"
# htmx_partial = "partials/"
paginate_by = settings.DRUGS_RESULTS_PER_PAGE
widget_options = 'gs-w="10" gs-h="1" gs-y="10" gs-x="1"'
def common_request(self, request, **kwargs):
extra_params = {}
if request.user.is_anonymous:
sizes = settings.MAIN_SIZES_ANON
else:
sizes = settings.MAIN_SIZES
if request.GET:
self.template_name = "index.html"
# GET arguments in URL like ?query=xyz
query_params = request.GET.dict()
if request.htmx:
if request.resolver_match.url_name == "search_partial":
self.template_name = "partials/results_table.html"
elif request.POST:
query_params = request.POST.dict()
else:
self.template_name = "index.html"
# No query, this is a fresh page load
# Don't try to search, since there's clearly nothing to do
params_with_defaults = {}
db.add_defaults(params_with_defaults)
context = {
"sizes": sizes,
"params": params_with_defaults,
"unique": "results",
"widget_options": self.widget_options,
"window_content": self.window_content,
"title": "Results",
}
return render(request, self.template_name, context)
# Merge everything together just in case
tmp_post = request.POST.dict()
tmp_get = request.GET.dict()
tmp_post = {k: v for k, v in tmp_post.items() if v and not v == "None"}
tmp_get = {k: v for k, v in tmp_get.items() if v and not v == "None"}
query_params.update(tmp_post)
query_params.update(tmp_get)
# URI we're passing to the template for linking
if "csrfmiddlewaretoken" in query_params:
del query_params["csrfmiddlewaretoken"]
# Parse the dates
if "dates" in query_params:
dates = parse_dates(query_params["dates"])
del query_params["dates"]
if dates:
if "message" in dates:
return render(request, self.template_name, dates)
query_params["from_date"] = dates["from_date"]
query_params["to_date"] = dates["to_date"]
query_params["from_time"] = dates["from_time"]
query_params["to_time"] = dates["to_time"]
# Remove null values
if "query" in query_params:
if query_params["query"] == "":
del query_params["query"]
# Remove null tags values
# TODO: TAGS
if "tags" in query_params:
if query_params["tags"] == "":
del query_params["tags"]
else:
# Parse the tags and populate cast to pass to search function
tags = parse_tags(query_params["tags"])
extra_params["tags"] = tags
context = db.orm.drug_query(request, query_params, **extra_params)
print("CONTEXT", context)
# Unique is for identifying the widgets.
# We don't want a random one since we only want one results pane.
context["unique"] = "results"
context["window_content"] = self.window_content
context["widget_options"] = self.widget_options
context["title"] = "Results"
# Valid sizes
context["sizes"] = sizes
# Add any default parameters to the context
params_with_defaults = dict(query_params)
db.add_defaults(params_with_defaults)
context["params"] = params_with_defaults
# Remove anything that we or the user set to a default for
# pretty URLs
db.remove_defaults(query_params)
url_params = urllib.parse.urlencode(query_params)
context["client_uri"] = url_params
# There's an error
if "message" in context:
response = render(request, self.template_name, context)
# Still push the URL so they can share it to get assistance
if request.GET:
if request.htmx:
response["HX-Replace-Url"] = reverse("home") + "?" + url_params
elif request.POST:
response["HX-Replace-Url"] = reverse("home") + "?" + url_params
return response
# Create data for chart.js sentiment graph
# graph = make_graph(context["object_list"])
# context["data"] = graph
# Create the table
context = make_table(context)
print("CONTEXT", context)
# URI we're passing to the template for linking, table fields removed
table_fields = ["page", "sort"]
clean_params = {k: v for k, v in query_params.items() if k not in table_fields}
clean_url_params = urllib.parse.urlencode(clean_params)
context["uri"] = clean_url_params
# unique = str(uuid.uuid4())[:8]
# self.context = context
return context
def get(self, request, *args, **kwargs):
print("GET")
self.context = self.common_request(request)
if isinstance(self.context, HttpResponse):
return self.context
self.object_list = self.context["object_list"]
show = []
show = set().union(
*([x.name for x in d._meta.get_fields()] for d in self.object_list)
)
allow_empty = self.get_allow_empty()
if not allow_empty:
# When pagination is enabled and object_list is a queryset,
# it's better to do a cheap query than to load the unpaginated
# queryset in memory.
if self.get_paginate_by(self.object_list) is not None and hasattr(
self.object_list, "exists"
):
is_empty = not self.object_list.exists() # noqa
else:
is_empty = not self.object_list # noqa
context = self.get_context_data()
for k, v in self.context.items():
if k not in context:
context[k] = v
context["show"] = show
# if request.htmx:
# self.template_name = self.window_content
# if request.method == "GET":
# if not request.htmx:
# self.template_name = "ui/drilldown/drilldown.html"
response = self.render_to_response(context)
# if not request.method == "GET":
if "client_uri" in context:
response["HX-Replace-Url"] = reverse("home") + "?" + context["client_uri"]
return response
def post(self, request, *args, **kwargs):
return self.get(request, *args, **kwargs)