Update metadata.txt

amcr_viewer/amcr_codelists.py

@@ -2,7 +2,7 @@
 import os
 import csv
 import requests
-import xml.etree.ElementTree as ET  # nosec B314
+import xml.etree.ElementTree as ET  # nosec
 import time
 from qgis.core import QgsMessageLog, Qgis
 
@@ -101,7 +101,7 @@ def fetch_set(internal_name, api_set, task=None):
         try:
             response = requests.get(BASE_URL, params=params, timeout=30)
             response.raise_for_status()
-            root = ET.fromstring(response.content)
+            root = ET.fromstring(response.content) # nosec
             
             records = root.findall('.//oai:record', NS)
             for rec in records:

amcr_viewer/amcr_tools.py

@@ -142,6 +142,13 @@ def tr_code(code):
         return ""
     return TRANSLATIONS.get(code, code)
 
+def komp_projde_filtrem(komp, filter_areal, filter_datace, filters):
+    if filter_areal and komp.get('komponenta_areal', {}).get('id', "") not in filters.get('f_areal', []):
+        return False
+    if filter_datace and komp.get('komponenta_obdobi', {}).get('id', "") not in filters.get('f_obdobi', []):
+        return False
+    return True
+
 def load_amcr_data(canvas, bb, filters=None, typ_dat="akce", komponenty="false"):
     """
     Main processing function:
@@ -203,6 +210,10 @@ def load_amcr_data(canvas, bb, filters=None, typ_dat="akce", komponenty="false")
 
         # Check if we should skip negative results based on filter
         skip_negativni = filters.get('posevidence') == 'true' if filters else False
+
+        # Check whether we should filter results based on component filters
+        filter_areal = "f_areal" in filters if filters else False
+        filter_datace = "f_obdobi" in filters if filters else False
         
         # --- API PAGINATION LOOP ---
         while True:
@@ -339,6 +350,14 @@ def load_amcr_data(canvas, bb, filters=None, typ_dat="akce", komponenty="false")
                 if skip_negativni and dj.get('dj_negativni_jednotka') is True:
                     continue
 
+                komps = dj.get('dj_komponenta', [])
+                
+                if filter_areal or filter_datace:
+                    if not komps:
+                        continue
+                    if not any(komp_projde_filtrem(komp, filter_areal, filter_datace, filters) for komp in komps):
+                        continue
+
                 dj_id = dj.get('ident_cely')
                 dj_typ = dj.get('dj_typ')
 
@@ -361,9 +380,11 @@ def load_amcr_data(canvas, bb, filters=None, typ_dat="akce", komponenty="false")
 
                         if komponenty == "true":
                             # One feature per component — all data on a single row, no relations needed
-                            komps = dj.get('dj_komponenta', [])
                             if komps:
                                 for komp in komps:
+                                    if not komp_projde_filtrem(komp, filter_areal, filter_datace, filters):
+                                        continue
+
                                     komp_meta = {
                                         **dj_meta,
                                         'komponenta_id': komp.get('ident_cely', ""),
@@ -374,6 +395,9 @@ def load_amcr_data(canvas, bb, filters=None, typ_dat="akce", komponenty="false")
                                     target_pian_ids_count += 1
                             else:
                                 # DJ without components — still include with empty component fields
+                                if filter_areal or filter_datace:
+                                    continue
+                                
                                 empty_meta = {
                                     **dj_meta,
                                     'komponenta_id': "",

amcr_viewer/metadata.txt

@@ -8,7 +8,7 @@ name=AMČR Viewer
 qgisMinimumVersion=3.4.0
 qgisMaximumVersion=4.99.0
 description=Viewing and downloading the AMČR data.
-version=2.0.0-alpha.2
+version=2.0.0-alpha.4
 author=David Spáčil
 email=spacil@arub.cz
 
@@ -22,7 +22,16 @@ repository=https://github.com/ARUP-CAS/aiscr-qgis-amcr-viewer
 
 hasProcessingProvider=no
 # Uncomment the following line and add your changelog:
-# changelog=
+changelog=
+  v2.0.0-alpha.4 (2026-06-03)
+   * Backend filtering of the results based on the component-related filters improvement (plugin not only loads the results from API, it filters them further)
+  v2.0.0-alpha.2–3 (2026-05-19)
+   * Security vulnerabilities fix
+  v2.0.0-alpha.1 (2026-05-19):
+   * Attribute fields renamed to be ASCII compliant
+   * Codelist update; codelist can be recompiled from AMČR API
+   * Basic element changed from Documentation Unit to Component if user asks for components to simplify result filtering
+   * Plugin now supports logging with an AMČR account and enables the downloading of Events and Sites available to the roles Researcher and higher 
 
 # Tags are comma separated with spaces allowed
 tags=python,AMCR,AIS CR,archaeology,PIAN,AMČR