add more release date search options (#362)

ErsatzTV.Infrastructure/Search/CustomMultiFieldQueryParser.cs

@@ -0,0 +1,58 @@
+using System;
+using System.Collections.Generic;
+using Lucene.Net.Analysis;
+using Lucene.Net.QueryParsers.Classic;
+using Lucene.Net.Search;
+using Lucene.Net.Util;
+
+namespace ErsatzTV.Infrastructure.Search
+{
+    public class CustomMultiFieldQueryParser : MultiFieldQueryParser
+    {
+        public CustomMultiFieldQueryParser(
+            LuceneVersion matchVersion,
+            string[] fields,
+            Analyzer analyzer,
+            IDictionary<string, float> boosts) : base(matchVersion, fields, analyzer, boosts)
+        {
+        }
+
+        public CustomMultiFieldQueryParser(LuceneVersion matchVersion, string[] fields, Analyzer analyzer) : base(
+            matchVersion,
+            fields,
+            analyzer)
+        {
+        }
+
+        protected override Query GetFieldQuery(string field, string queryText, bool quoted)
+        {
+            if (field == "released_onthisday")
+            {
+                var todayString = DateTime.Today.ToString("*MMdd");
+                return base.GetWildcardQuery("release_date", todayString);
+            }
+
+            return base.GetFieldQuery(field, queryText, quoted);
+        }
+
+        protected override Query GetFieldQuery(string field, string queryText, int slop)
+        {
+            if (field == "released_inthelast" && CustomQueryParser.ParseStart(queryText, out DateTime start))
+            {
+                var todayString = DateTime.Today.ToString("yyyyMMdd");
+                var dateString = start.ToString("yyyyMMdd");
+
+                return base.GetRangeQuery("release_date", dateString, todayString, true, true);
+            }
+            
+            if (field == "released_notinthelast" && CustomQueryParser.ParseStart(queryText, out DateTime finish))
+            {
+                var dateString = finish.ToString("yyyyMMdd");
+
+                return base.GetRangeQuery("release_date", "00000000", dateString, false, false);
+            }
+
+            return base.GetFieldQuery(field, queryText, slop);
+        }
+    }
+}

ErsatzTV.Infrastructure/Search/CustomQueryParser.cs

@@ -6,19 +6,30 @@ using Lucene.Net.Util;
 
 namespace ErsatzTV.Infrastructure.Search
 {
-    public class RelativeDateQueryParser : QueryParser
+    public class CustomQueryParser : QueryParser
     {
-        public RelativeDateQueryParser(LuceneVersion matchVersion, string f, Analyzer a) : base(matchVersion, f, a)
+        public CustomQueryParser(LuceneVersion matchVersion, string f, Analyzer a) : base(matchVersion, f, a)
         {
         }
 
-        protected internal RelativeDateQueryParser(ICharStream stream) : base(stream)
+        protected internal CustomQueryParser(ICharStream stream) : base(stream)
         {
         }
 
-        protected RelativeDateQueryParser(QueryParserTokenManager tm) : base(tm)
+        protected CustomQueryParser(QueryParserTokenManager tm) : base(tm)
         {
         }
+        
+        protected override Query GetFieldQuery(string field, string queryText, bool quoted)
+        {
+            if (field == "released_onthisday")
+            {
+                var todayString = DateTime.Today.ToString("*MMdd");
+                return base.GetWildcardQuery("release_date", todayString);
+            }
+
+            return base.GetFieldQuery(field, queryText, quoted);
+        }
 
         protected override Query GetFieldQuery(string field, string queryText, int slop)
         {
@@ -29,6 +40,13 @@ namespace ErsatzTV.Infrastructure.Search
 
                 return base.GetRangeQuery("release_date", dateString, todayString, true, true);
             }
+            
+            if (field == "released_notinthelast" && ParseStart(queryText, out DateTime finish))
+            {
+                var dateString = finish.ToString("yyyyMMdd");
+
+                return base.GetRangeQuery("release_date", "00000000", dateString, false, false);
+            }
 
             return base.GetFieldQuery(field, queryText, slop);
         }

ErsatzTV.Infrastructure/Search/RelativeDateMultiFieldQueryParser.cs

@@ -1,40 +0,0 @@
-using System;
-using System.Collections.Generic;
-using Lucene.Net.Analysis;
-using Lucene.Net.QueryParsers.Classic;
-using Lucene.Net.Search;
-using Lucene.Net.Util;
-
-namespace ErsatzTV.Infrastructure.Search
-{
-    public class RelativeDateMultiFieldQueryParser : MultiFieldQueryParser
-    {
-        public RelativeDateMultiFieldQueryParser(
-            LuceneVersion matchVersion,
-            string[] fields,
-            Analyzer analyzer,
-            IDictionary<string, float> boosts) : base(matchVersion, fields, analyzer, boosts)
-        {
-        }
-
-        public RelativeDateMultiFieldQueryParser(LuceneVersion matchVersion, string[] fields, Analyzer analyzer) : base(
-            matchVersion,
-            fields,
-            analyzer)
-        {
-        }
-
-        protected override Query GetFieldQuery(string field, string queryText, int slop)
-        {
-            if (field == "released_inthelast" && RelativeDateQueryParser.ParseStart(queryText, out DateTime start))
-            {
-                var todayString = DateTime.Today.ToString("yyyyMMdd");
-                var dateString = start.ToString("yyyyMMdd");
-
-                return base.GetRangeQuery("release_date", dateString, todayString, true, true);
-            }
-
-            return base.GetFieldQuery(field, queryText, slop);
-        }
-    }
-}

ErsatzTV.Infrastructure/Search/SearchIndex.cs

@@ -148,8 +148,8 @@ namespace ErsatzTV.Infrastructure.Search
             };
             using var analyzerWrapper = new PerFieldAnalyzerWrapper(analyzer, customAnalyzers);
             QueryParser parser = !string.IsNullOrWhiteSpace(searchField)
-                ? new RelativeDateQueryParser(AppLuceneVersion, searchField, analyzerWrapper)
-                : new RelativeDateMultiFieldQueryParser(AppLuceneVersion, new[] { TitleField }, analyzerWrapper);
+                ? new CustomQueryParser(AppLuceneVersion, searchField, analyzerWrapper)
+                : new CustomMultiFieldQueryParser(AppLuceneVersion, new[] { TitleField }, analyzerWrapper);
             parser.AllowLeadingWildcard = true;
             Query query = ParseQuery(searchQuery, parser);
             var filter = new DuplicateFilter(TitleAndYearField);

docs/user-guide/search.md

@@ -24,7 +24,6 @@ The following fields are available for searching movies:
 - `content_rating`: The movie content rating (case-sensitive) 
 - `language`: The movie audio stream language
 - `release_date`: The movie release date (YYYYMMDD)
-- `released_inthelast`: A range for the movie release date (days, weeks, months, years)
 - `type`: Always `movie`
 
 ### Shows
@@ -41,7 +40,6 @@ The following fields are available for searching shows:
 - `content_rating`: The show content rating (case-sensitive)
 - `language`: The show audio stream language
 - `release_date`: The show release date (YYYYMMDD)
-- `released_inthelast`: A range for the show release date (days, weeks, months, years)
 - `type`: Always `show`
 
 ### Episodes
@@ -55,7 +53,6 @@ The following fields are available for searching episodes:
 - `library_name`: The name of the library that contains the episode
 - `language`: The episode audio stream language
 - `release_date`: The episode release date (YYYYMMDD)
-- `released_inthelast`: A range for the episode release date (days, weeks, months, years)
 - `type`: Always `episode`
 
 ### Artists
@@ -78,9 +75,14 @@ The following fields are available for searching music videos:
 - `library_name`: The name of the library that contains the music video
 - `language`: The music video audio stream language
 - `release_date`: The music video release date (YYYYMMDD)
-- `released_inthelast`: A range for the music video release date (days, weeks, months, years)
 - `type`: Always `music_video`
 
+## Special Search Fields
+
+- `released_inthelast`: For any media type that supports `release_date`, `released_inthelast` takes a number and a unit (days, weeks, months, years) and returns items released between the specified time ago and now
+- `released_notinthelast`: For any media type that supports `release_date`, `released_notinthelast` takes a number and a unit (days, weeks, months, years) and returns items released before the specified time ago
+- `released_onthisday`: For any media type that supports `release_date`, `released_onthisday` takes any value (ignored) and will return items released on this month number and day number in previous years
+
 ## Sample Searches
 
 ### Christmas
@@ -106,3 +108,11 @@ The following fields are available for searching music videos:
 ### Episodes from the past week
 
 `type:episode AND released_inthelast:"1 week"`
+
+### Episodes older than the past week
+
+`type:episode AND released_notinthelast:"1 week"`
+
+### Episodes released on this day
+
+`type:episode AND released_onthisday:1`