(search) New toggle for reducing tracking

code/services-application/search-service/src/main/java/nu/marginalia/search/SearchQueryParamFactory.java

@@ -16,6 +16,7 @@ public class SearchQueryParamFactory {
         var profile = userParams.profile();
         profile.addTacitTerms(prototype);
         userParams.js().addTacitTerms(prototype);
+        userParams.adtech().addTacitTerms(prototype);
 
         return new QueryParams(
                 userParams.query(),

code/services-application/search-service/src/main/java/nu/marginalia/search/command/SearchAdtechParameter.java

@@ -0,0 +1,29 @@
+package nu.marginalia.search.command;
+
+import nu.marginalia.index.client.model.query.SearchSubquery;
+
+import javax.annotation.Nullable;
+import java.util.Arrays;
+
+public enum SearchAdtechParameter {
+    DEFAULT("default"),
+    REDUCE("reduce", "special:ads", "special:affiliate");
+
+    public final String value;
+    public final String[] implictExcludeSearchTerms;
+
+    SearchAdtechParameter(String value, String... implictExcludeSearchTerms) {
+        this.value = value;
+        this.implictExcludeSearchTerms = implictExcludeSearchTerms;
+    }
+
+    public static SearchAdtechParameter parse(@Nullable String value) {
+        if (REDUCE.value.equals(value)) return REDUCE;
+
+        return DEFAULT;
+    }
+
+    public void addTacitTerms(SearchSubquery subquery) {
+        subquery.searchTermsExclude.addAll(Arrays.asList(implictExcludeSearchTerms));
+    }
+}

code/services-application/search-service/src/main/java/nu/marginalia/search/command/SearchParameters.java

@@ -6,24 +6,33 @@ import nu.marginalia.search.model.SearchProfile;
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
 
-public record SearchParameters(String query, SearchProfile profile, SearchJsParameter js) {
+public record SearchParameters(String query,
+                               SearchProfile profile,
+                               SearchJsParameter js,
+                               SearchAdtechParameter adtech
+                               ) {
     public String profileStr() {
         return profile.filterId;
     }
 
     public SearchParameters withProfile(SearchProfile profile) {
-        return new SearchParameters(query, profile, js);
+        return new SearchParameters(query, profile, js, adtech);
     }
 
     public SearchParameters withJs(SearchJsParameter js) {
-        return new SearchParameters(query, profile, js);
+        return new SearchParameters(query, profile, js, adtech);
+    }
+    public SearchParameters withAdtech(SearchAdtechParameter adtech) {
+        return new SearchParameters(query, profile, js, adtech);
     }
 
     public String renderUrl(WebsiteUrl baseUrl) {
-        String path = String.format("/search?query=%s&profile=%s&js=%s",
+        String path = String.format("/search?query=%s&profile=%s&js=%s&adtech=%s",
                 URLEncoder.encode(query, StandardCharsets.UTF_8),
                 URLEncoder.encode(profile.filterId, StandardCharsets.UTF_8),
-                URLEncoder.encode(js.value, StandardCharsets.UTF_8));
+                URLEncoder.encode(js.value, StandardCharsets.UTF_8),
+                URLEncoder.encode(adtech.value, StandardCharsets.UTF_8)
+                );
 
         return baseUrl.withPath(path);
     }

code/services-application/search-service/src/main/java/nu/marginalia/search/model/SearchFilters.java

@@ -2,8 +2,10 @@ package nu.marginalia.search.model;
 
 import lombok.Getter;
 import nu.marginalia.WebsiteUrl;
+import nu.marginalia.search.command.SearchAdtechParameter;
 import nu.marginalia.search.command.SearchJsParameter;
 import nu.marginalia.search.command.SearchParameters;
+import org.apache.regexp.RE;
 
 import java.util.List;
 
@@ -18,6 +20,8 @@ public class SearchFilters {
     @Getter
     public final RemoveJsOption removeJsOption;
     @Getter
+    public final ReduceAdtechOption reduceAdtechOption;
+    @Getter
     public final List<List<Filter>> filterGroups;
 
 
@@ -26,6 +30,7 @@ public class SearchFilters {
         this.url = url;
 
         removeJsOption = new RemoveJsOption(parameters);
+        reduceAdtechOption = new ReduceAdtechOption(parameters);
 
         currentFilter = parameters.profile().filterId;
 
@@ -78,6 +83,31 @@ public class SearchFilters {
             this.url = parameters.withJs(toggledValue).renderUrl(SearchFilters.this.url);
         }
     }
+    public class ReduceAdtechOption {
+        private final SearchAdtechParameter value;
+
+        @Getter
+        public final String url;
+
+        public boolean isSet() {
+            return value.equals(SearchAdtechParameter.REDUCE);
+        }
+
+        public String name() {
+            return "Reduce Adtech";
+        }
+
+        public ReduceAdtechOption(SearchParameters parameters) {
+            this.value = parameters.adtech();
+
+            var toggledValue = switch (parameters.adtech()) {
+                case REDUCE -> SearchAdtechParameter.DEFAULT;
+                default -> SearchAdtechParameter.REDUCE;
+            };
+
+            this.url = parameters.withAdtech(toggledValue).renderUrl(SearchFilters.this.url);
+        }
+    }
 
     public class Filter {
         @Getter

code/services-application/search-service/src/main/java/nu/marginalia/search/svc/SearchQueryService.java

@@ -3,6 +3,7 @@ package nu.marginalia.search.svc;
 import com.google.inject.Inject;
 import lombok.SneakyThrows;
 import nu.marginalia.WebsiteUrl;
+import nu.marginalia.search.command.SearchAdtechParameter;
 import nu.marginalia.search.model.SearchProfile;
 import nu.marginalia.client.Context;
 import nu.marginalia.search.command.CommandEvaluator;
@@ -59,6 +60,7 @@ public class SearchQueryService {
 
         return new SearchParameters(queryParam.trim(),
                                     SearchProfile.getSearchProfile(request.queryParams("profile")),
-                                    SearchJsParameter.parse(request.queryParams("js")));
+                                    SearchJsParameter.parse(request.queryParams("js")),
+                                    SearchAdtechParameter.parse(request.queryParams("adtech")));
     }
 }

code/services-application/search-service/src/main/resources/templates/search/parts/search-filters.hdb

@@ -3,6 +3,9 @@
     {{#with removeJsOption}}
         <li class="filter-toggle-{{#if set}}on{{/if}}{{#unless set}}off{{/unless}}"><a href="{{url}}">{{name}}</a></li>
     {{/with}}
+    {{#with reduceAdtechOption}}
+        <li class="filter-toggle-{{#if set}}on{{/if}}{{#unless set}}off{{/unless}}"><a href="{{url}}">{{name}}</a></li>
+    {{/with}}
 </ul>
 <h3>Domains</h3>
 <ul>