From 3e0f6afd257f89e957f6f98cfd50099fdd28f5cf Mon Sep 17 00:00:00 2001
From: Guilhem Moulin <guilhem@fripost.org>
Date: Tue, 24 Oct 2023 01:14:25 +0200
Subject: list-observations: Add ability to filter by observer and/or reporter.

---
 list-observations | 51 ++++++++++++++++++++++++++++++++++++++++-----------
 1 file changed, 40 insertions(+), 11 deletions(-)

diff --git a/list-observations b/list-observations
index 91aeeec..2cb7d50 100755
--- a/list-observations
+++ b/list-observations
@@ -22,6 +22,7 @@ import argparse
 from datetime import datetime
 import time
 import locale
+import re
 from pathlib import Path
 from osgeo import gdal, ogr, osr
 gdal.UseExceptions()
@@ -69,7 +70,7 @@ class redlistedAction(argparse.Action):
                 items.extend(values)
         setattr(namespace, self.dest, items)
 
-class taxonAction(argparse.Action):
+class splitAndExtendAction(argparse.Action):
     def __init__(self, option_strings, dest, nargs=None, **kwargs):
         super().__init__(option_strings, dest, nargs=nargs, **kwargs)
     def __call__(self, parser, namespace, values, option_string=None):
@@ -85,6 +86,7 @@ class taxonAction(argparse.Action):
 parser = argparse.ArgumentParser(
     description='List and filter observations from Artdatabanken.',
     prog = programName,
+    usage='''%(prog)s [--geometry=FILE] [--max-distance=N] [--redlisted[=NT,VU,…]] OBSERVATIONS_FILE'''
 )
 parser.add_argument('--geometry', type=ePath, metavar='FILE', action=geometryAction,
     help='Geometry file of interest')
@@ -98,10 +100,14 @@ parser.add_argument('--until', metavar='YYYY-MM-DD',
     help='End date for observations in ISO 8601 format')
 parser.add_argument('--protected', action='store_true',
     help='Only consider taxons that are protected by law')
-parser.add_argument('--redlisted', nargs='?', metavar='[NT,…]', action=redlistedAction,
+parser.add_argument('--redlisted', nargs='?', metavar='NT,…', action=redlistedAction,
     help='Only consider redlisted taxons')
-parser.add_argument('--taxon', metavar='NAME', action=taxonAction,
+parser.add_argument('--taxon', metavar='NAME', action=splitAndExtendAction,
     help='Only consider these taxons')
+parser.add_argument('--reporter', metavar='NAME', action=splitAndExtendAction,
+    help='Only consider observation by these reporters')
+parser.add_argument('--observer', metavar='NAME', action=splitAndExtendAction,
+    help='Only consider observation by these observers')
 parser.add_argument('observations', type=ePath, metavar='OBSERVATIONS_FILE',
     help='Observations file')
 
@@ -194,6 +200,7 @@ def getFieldAsDateTime(feat, name):
 
 sum_count = 0
 summary = {}
+listSeparator = re.compile(r',\s*')
 feature = layer.GetNextFeature()
 while feature is not None:
     v = feature.GetField('IsPositiveObservation')
@@ -236,6 +243,30 @@ while feature is not None:
                 feature = layer.GetNextFeature()
                 continue
 
+    reportedBy = getField(feature, 'ReportedBy')
+    if args.reporter is not None:
+        found = False
+        for r in listSeparator.split(reportedBy):
+            r = r.lower()
+            if any([sub in r for sub in args.reporter]):
+                found = True
+                break
+        if not found:
+            feature = layer.GetNextFeature()
+            continue
+
+    recordedBy = getField(feature, 'RecordedBy')
+    if args.observer is not None:
+        found = False
+        for r in listSeparator.split(recordedBy):
+            r = r.lower()
+            if any([sub in r for sub in args.observer]):
+                found = True
+                break
+        if not found:
+            feature = layer.GetNextFeature()
+            continue
+
     startDate = getFieldAsDateTime(feature, 'StartDate')
     if args.until is not None and (startDate is None or args.until < startDate):
         feature = layer.GetNextFeature()
@@ -300,16 +331,14 @@ while feature is not None:
     if v is not None:
         print(f'Metod:         {v}')
 
-    v = getField(feature, 'ReportedBy')
-    if ',' in v:
-        print(f'Rapportörer:   {v}')
+    if ',' in reportedBy:
+        print(f'Rapportörer:   {reportedBy}')
     else:
-        print(f'Rapportör:     {v}')
-    v = getField(feature, 'RecordedBy')
-    if ',' in v:
-        print(f'Observatörer:  {v}')
+        print(f'Rapportör:     {reportedBy}')
+    if ',' in recordedBy:
+        print(f'Observatörer:  {recordedBy}')
     else:
-        print(f'Observatör:    {v}')
+        print(f'Observatör:    {recordedBy}')
 
     print(f'Startdatum:    {startDate.strftime("%-d %B %Y %H:%M")}')
     print(f'Slutdatum:     {endDate.strftime("%-d %B %Y %H:%M")}')
-- 
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