[backend/frontend] Improv scenario pagination (#898)

openbas-api/src/main/java/io/openbas/migration/V3_16__Add_array_union_agg_method.java

@@ -0,0 +1,32 @@
+package io.openbas.migration;
+
+import org.flywaydb.core.api.migration.BaseJavaMigration;
+import org.flywaydb.core.api.migration.Context;
+import org.springframework.stereotype.Component;
+
+import java.sql.Connection;
+import java.sql.Statement;
+
+@Component
+public class V3_16__Add_array_union_agg_method extends BaseJavaMigration {
+
+  @Override
+  public void migrate(Context context) throws Exception {
+    Connection connection = context.getConnection();
+    Statement select = connection.createStatement();
+    select.execute("CREATE FUNCTION array_union(a ANYARRAY, b ANYARRAY)"
+        + "    RETURNS ANYARRAY AS"
+        + "    $$"
+        + "SELECT array_agg(DISTINCT x)"
+        + "FROM ("
+        + "         SELECT unnest(a) x"
+        + "         UNION ALL SELECT unnest(b)"
+        + "     ) AS u"
+        + "    $$ LANGUAGE SQL;"
+        + "CREATE AGGREGATE array_union_agg(ANYARRAY) ("
+        + "  SFUNC = array_union,"
+        + "  STYPE = ANYARRAY,"
+        + "  INITCOND = '{}'"
+        + ");");
+  }
+}

openbas-api/src/main/java/io/openbas/rest/scenario/ScenarioApi.java

@@ -75,8 +75,7 @@ public List<ScenarioSimple> scenarios() {
 
   @PostMapping("/api/scenarios/search")
   public Page<RawPaginationScenario> scenarios(@RequestBody @Valid final SearchPaginationInput searchPaginationInput) {
-    return this.scenarioService.scenarios(searchPaginationInput)
-        .map(RawPaginationScenario::new);
+    return this.scenarioService.scenarios(searchPaginationInput);
   }
 
   @GetMapping(SCENARIO_URI + "/{scenarioId}")