default layouts for KB

dashjoin/dashjoin-aas#695

Author: aeberhart

dashjoin-core/src/main/java/org/dashjoin/service/PojoDatabase.java

@@ -23,6 +23,7 @@
 import java.util.Set;
 import java.util.logging.Level;
 import java.util.logging.Logger;
+import org.apache.commons.io.IOUtils;
 import org.dashjoin.function.AbstractConfigurableFunction;
 import org.dashjoin.model.AbstractDatabase;
 import org.dashjoin.model.Property;
@@ -350,9 +351,36 @@ public List<Map<String, Object>> query(QueryMeta qi, Map<String, Object> argumen
     if (qi.query.equals("Table") || qi.query.startsWith("Table/"))
       for (Map<String, Object> o : res)
         cleanTable(o);
+    if (qi.query.equals("dj-database"))
+      for (Map<String, Object> o : res)
+        if ("com.dashjoin.ai.KnowledgeBase".equals(o.get("djClassName"))) {
+          // KB default pages are different from other DBs - add defaults if not present
+          String db = (String) o.get("name");
+          Map<String, Map<String, Object>> t = (Map<String, Map<String, Object>>) o.get("tables");
+          if (t != null) {
+            Map<String, Object> tag = t.get("Tag");
+            if (tag.get("instanceLayout") == null)
+              tag.put("instanceLayout", template("/template/Tag/instance.json", db));
+            if (tag.get("tableLayout") == null)
+              tag.put("tableLayout", template("/template/Tag/table.json", db));
+
+            Map<String, Object> document = t.get("Document");
+            if (document.get("instanceLayout") == null)
+              document.put("instanceLayout", template("/template/Document/instance.json", db));
+            if (document.get("tableLayout") == null)
+              document.put("tableLayout", template("/template/Document/table.json", db));
+          }
+        }
     return res;
   }
 
+  Map<String, Object> template(String name, String db) throws Exception {
+    String content = IOUtils.toString(getClass().getResourceAsStream(name), StandardCharsets.UTF_8);
+    content = content.replace("'kb'", "'" + db + "'");
+    content = content.replace("/kb", "/" + db);
+    return objectMapper.readValue(content, JSONDatabase.tr);
+  }
+
   /**
    * remove tables that might exist in user data but no longer in the DB and on the remaining tables
    * call cleanTable()

dashjoin-core/src/main/resources/template/Document/instance.json

@@ -0,0 +1,28 @@
+{
+    "widget": "page",
+    "children": [
+        {
+            "title": "Edit Tags",
+            "widget": "edit"
+        },
+        {
+            "text": "Add new tag",
+            "expression": "",
+            "print": "($update('kb', 'Document', value.id, {'tags': $append(value.tags, form.tag)});$reload())",
+            "widget": "button",
+            "schema": {
+                "type": "object",
+                "properties": {
+                    "tag": {
+                        "required": true
+                    }
+                }
+            }
+        },
+        {
+            "display": "value",
+            "title": "Document Info",
+            "widget": "display"
+        }
+    ]
+}

dashjoin-core/src/main/resources/template/Document/table.json

@@ -0,0 +1,52 @@
+{
+    "widget": "page",
+    "children": [
+        {
+            "title": "Table: ${value.name}",
+            "hideColumns": [
+                "path"
+            ],
+            "widget": "table"
+        },
+        {
+            "title": "New Document",
+            "widget": "create",
+            "schema": {
+                "type": "object",
+                "properties": {
+                    "id": {
+                        "type": "string",
+                        "readOnly": true,
+                        "parent": "dj/kb/Document",
+                        "ID": "dj/kb/Document/id",
+                        "pkpos": 0
+                    },
+                    "tags": {
+                        "ID": "dj/kb/Document/tags",
+                        "layout": "select",
+                        "choicesVerb": "GET",
+                        "jsonata": "id",
+                        "choicesUrl": "/rest/database/crud/kb/Tag",
+                        "parent": "dj/kb/Document",
+                        "items": {
+                            "widget": "auto complete",
+                            "ref": "dj/kb/Tag/id",
+                            "type": "string"
+                        },
+                        "type": "array"
+                    },
+                    "document": {
+                        "ID": "dj/kb/Document/document",
+                        "parent": "dj/kb/Document",
+                        "widget": "binary file with metadata",
+                        "multiple": true,
+                        "required": true
+                    }
+                }
+            }
+        },
+        {
+            "widget": "dj-table-metadata"
+        }
+    ]
+}

dashjoin-core/src/main/resources/template/Tag/instance.json

@@ -0,0 +1,10 @@
+{
+    "widget": "page",
+    "children": [
+        {
+            "display": "($id := value.id; [$all('kb', 'Document')[$id in tags].{'ID': {'database': 'kb', 'table': 'Document', 'pk1': id}, 'tags': tags, 'text': text, 'owner': owner, 'size': size}])",
+            "title": "Documents with this tag",
+            "widget": "display"
+        }
+    ]
+}

dashjoin-core/src/main/resources/template/Tag/table.json

@@ -0,0 +1,12 @@
+{
+    "widget": "page",
+    "children": [
+        {
+            "title": "Table: ${value.name}",
+            "widget": "table"
+        },
+        {
+            "widget": "dj-table-metadata"
+        }
+    ]
+}