Add investigation state handling for CheckedSchematic

CommonCore/SQL/src/de/steamwar/sql/CheckedSchematic.java

@@ -28,13 +28,16 @@ import lombok.Getter;
 
 import java.sql.Timestamp;
 import java.util.List;
+import java.util.Optional;
 
 @AllArgsConstructor
 public class CheckedSchematic {
 
+    public static final String INVESTIGATION_PENDING_KEY = "$invest:";
+
     private static final Table<CheckedSchematic> table = new Table<>(CheckedSchematic.class);
-    private static final SelectStatement<CheckedSchematic> statusOfNode = new SelectStatement<>(table, "SELECT * FROM CheckedSchematic WHERE NodeId = ? AND DeclineReason != 'Prüfvorgang abgebrochen' ORDER BY EndTime DESC");
-    private static final SelectStatement<CheckedSchematic> nodeHistory = new SelectStatement<>(table, "SELECT * FROM CheckedSchematic WHERE NodeId = ? AND DeclineReason != '' AND DeclineReason != 'Prüfvorgang abgebrochen' ORDER BY EndTime DESC");
+    private static final SelectStatement<CheckedSchematic> statusOfNode = new SelectStatement<>(table, "SELECT * FROM CheckedSchematic WHERE NodeId = ? AND DeclineReason != 'Prüfvorgang abgebrochen' AND DeclineReason NOT LIKE '" + INVESTIGATION_PENDING_KEY + "%' ORDER BY EndTime DESC");
+    private static final SelectStatement<CheckedSchematic> lastCheck = new SelectStatement<>(table, "SELECT * FROM CheckedSchematic WHERE NodeId = ? AND DeclineReason != 'Prüfvorgang abgebrochen' ORDER BY EndTime DESC LIMIT 1");
     private static final Statement insert = table.insertAll();
 
     public static void create(int nodeId, String name, int owner, int validator, Timestamp startTime, Timestamp endTime, String reason){
@@ -45,12 +48,16 @@ public class CheckedSchematic {
         create(node.getId(), node.getName(), node.getOwner(), validator, startTime, endTime, reason);
     }
 
+    public static void createInvestigationPending(SchematicNode node, Timestamp startTime, Timestamp endTime, int validator, String reason){
+        create(node, validator, startTime, endTime, INVESTIGATION_PENDING_KEY + reason);
+    }
+
     public static List<CheckedSchematic> getLastDeclinedOfNode(int node){
         return statusOfNode.listSelect(node);
     }
 
-    public static List<CheckedSchematic> previousChecks(SchematicNode node) {
-        return nodeHistory.listSelect(node.getId());
+    public static Optional<CheckedSchematic> getLastCheck(int node){
+        return Optional.ofNullable(lastCheck.select(node));
     }
 
     @Field(nullable = true)
@@ -83,4 +90,20 @@ public class CheckedSchematic {
     public int getSchemOwner() {
         return nodeOwner;
     }
+
+    public boolean isInvestigationPending() {
+        return declineReason.startsWith(INVESTIGATION_PENDING_KEY);
+    }
+
+    public String getInvestigationPendingReason() {
+        return declineReason.substring(INVESTIGATION_PENDING_KEY.length());
+    }
+
+    public Optional<CheckedSchematic> castToUserSafe() {
+        if (isInvestigationPending()) {
+            return Optional.empty();
+        } else {
+            return Optional.of(this);
+        }
+    }
 }