Adición del modo mapa satelital

pdf/views.py

@@ -12,9 +12,61 @@ from zoneinfo import ZoneInfo
 from functools import reduce
 from operator import getitem
 from pypdf import PdfReader, PdfWriter
+import urllib.parse
+import requests
+import base64
 import json
 import ast
 
+def static_map_view(geojson_colec, sat_map):
+
+    geojson_dict = ast.literal_eval(geojson_colec)
+    if sat_map:
+        for geo in geojson_dict['features'] :
+            if geo['geometry'].get('type') == 'Polygon':
+                geo['properties'] = {
+                    "stroke": "#00ffff",  
+                    "stroke-width": 2,    
+                    "stroke-opacity": 0.8,
+                    "fill": "#00ffff",    
+                    "fill-opacity": 0.3   
+                    }
+            elif geo['geometry'].get('type') == 'Point':
+                geo['properties'] = {
+                    "marker-color": "#ff0000",
+                    "marker-size": "small"
+                    }
+            elif geo['geometry'].get('type') == 'LineString':
+                geo['properties'] = {
+                    "stroke": "#0000ff",  
+                    "stroke-width": 2,    
+                    "stroke-opacity": 0.8 
+                    }
+
+    geojson_string = json.dumps(geojson_dict, separators=(',', ':'))
+    encoded_geojson = urllib.parse.quote(geojson_string)
+    
+    username = "mapbox"
+    if sat_map:
+        style_id = "satellite-streets-v12" # streets-v12 | outdoors-v11 | satellite-streets-v12
+    else:
+        style_id = "light-v11"
+
+    width, height = 340, 340
+
+    # Procedimiento pendiente para extraer el token desde la configuración del sistema
+    access_token = 'pk.eyJ1IjoianNidXJnb3N2IiwiYSI6ImNsaWhoN3ZtMTBxeHUzZm1xaGM0cGpxOXIifQ.ki3vldVB5MwZMqDSpLSjLg'
+    
+    mapbox_url = (
+        f"https://api.mapbox.com/styles/v1/{username}/{style_id}/static/"
+        f"geojson({encoded_geojson})/auto/{width}x{height}"
+        f"?access_token={access_token}"
+    )
+
+    response = requests.get(mapbox_url)
+
+    return base64.b64encode(response.content).decode('utf-8')
+
 def ajustar_medios(resource_media_rel, medios_list):
     medios = []
     img=["image/bmp", "image/gif", "image/jpg", "image/jpeg", "image/png", "image/tif", "image/tiff"]
@@ -83,12 +135,13 @@ def strdict_to_dict(strdict):
         pass
     return value
 
-def export_resource_pdf(request, resourceid, printubic, printimgs, printpdfs):
+def export_resource_pdf(request, resourceid, printubic, satmap, printimgs, printpdfs):
     resource = Resource.objects.get(pk=resourceid)
     resource_data = resource.to_json()
 
     # Corrección de medios relacionados, se normalizan claves y se adicionan propiedades
     ruta_medios = find_key_path( resource_data, "Medio de información")
+
     if ruta_medios is not None:
         valor_medios=reduce(lambda dict_layer, key: dict_layer[key], ruta_medios, resource_data)
         resource_rel=resource.get_related_resources(user=request.user,resourceinstance_graphid='6afc4e9e-727e-4152-8084-309267752650')
@@ -96,6 +149,7 @@ def export_resource_pdf(request, resourceid, printubic, printimgs, printpdfs):
         reduce(getitem, ruta_medios[:-1], resource_data)[ruta_medios[-1]] = ajustar_medios(resource_rel,valor_medios)
 
     # Cambio de datos gis en texto a formato json
+
     ruta_gis = find_key_path( resource_data, "Coordenadas / Geometría")
     if ruta_gis is not None:
         valor_gis=reduce(lambda dict_layer, key: dict_layer[key], ruta_gis, resource_data)["@value"]
@@ -112,6 +166,12 @@ def export_resource_pdf(request, resourceid, printubic, printimgs, printpdfs):
     sprpcb_url=request.build_absolute_uri('/')[:-1]
     fecha=datetime.now(ZoneInfo("America/La_Paz"))
 
+    map_img = None
+
+    if ruta_gis is not None and bool(int(printubic)) :
+        if reduce(getitem, ruta_gis[:-1], resource_data)[ruta_gis[-1]]["@value"] :
+            map_img = static_map_view(reduce(getitem, ruta_gis[:-1], resource_data)[ruta_gis[-1]]["@value"], bool(int(satmap)))
+        
     resources = [{
         'resourceinstanceid': str(resource.resourceinstanceid),
         'graph_id': str(resource.graph_id),
@@ -120,8 +180,10 @@ def export_resource_pdf(request, resourceid, printubic, printimgs, printpdfs):
         'sprpcb_url': sprpcb_url,
         'fecha': fecha,
         'eta_group': eta_group,
+        'print_ubic': bool(int(printubic)),
         'print_imgs': bool(int(printimgs)),
-        'print_pdfs': bool(int(printpdfs))
+        'print_pdfs': bool(int(printpdfs)),
+        'map_img': map_img
     }]
 
     context = {'resources': resources}
@@ -151,8 +213,9 @@ def export_resource_pdf(request, resourceid, printubic, printimgs, printpdfs):
     
     root_path = Path(__file__).resolve().parent.parent
 
+    if ruta_medios is not None and bool(int(printpdfs)) :
         for medio in reduce(getitem, ruta_medios[:-1], resource_data)[ruta_medios[-1]] :
-        if medio['formato'] == 'application/pdf' and bool(int(printpdfs)) :
+            if medio['formato'] == 'application/pdf' :
                 merger.append(PdfReader(f'{root_path}/uploadedfiles/{medio["file"]}'))
                 output_buffer = io.BytesIO()
                 merger.write(output_buffer)
@@ -161,6 +224,7 @@ def export_resource_pdf(request, resourceid, printubic, printimgs, printpdfs):
         output_buffer = io.BytesIO()
         merger.write(output_buffer)
         merger.close()
+
     response = HttpResponse(output_buffer.getvalue(), content_type='application/pdf')
     response['Content-Disposition'] = f'attachment; filename="{nombre_pdf}.pdf"'
     return response