Added getDateProperty method to NotionPage

Author: FranciscoMoretti

src/NotionPage.spec.ts

@@ -69,6 +69,15 @@ describe("NotionPage", () => {
           },
         ],
       },
+      date_property: {
+        id: "a%3Cql",
+        type: "date",
+        date: {
+          start: "2021-10-24",
+          end: "2021-10-28",
+          time_zone: null,
+        },
+      },
     },
     url: "https://www.notion.so/Site-docu-notion-PAGEID",
   };
@@ -102,4 +111,48 @@ describe("NotionPage", () => {
       expect(result).toBe("Default Value");
     });
   });
+
+  describe("getDateProperty", () => {
+    it("should return the start date property by default", () => {
+      const page = new NotionPage({
+        layoutContext: "Test Context",
+        pageId: "123",
+        order: 1,
+        metadata: mockMetadata,
+        foundDirectlyInOutline: true,
+      });
+
+      const result = page.getDateProperty("date_property", "");
+
+      expect(result).toBe("2021-10-24");
+    });
+
+    it("should return the end date if start is false", () => {
+      const page = new NotionPage({
+        layoutContext: "Test Context",
+        pageId: "123",
+        order: 1,
+        metadata: mockMetadata,
+        foundDirectlyInOutline: true,
+      });
+
+      const result = page.getDateProperty("date_property", "", false);
+
+      expect(result).toBe("2021-10-28");
+    });
+
+    it("should return the default value if the property is not found", () => {
+      const page = new NotionPage({
+        layoutContext: "Test Context",
+        pageId: "123",
+        order: 1,
+        metadata: mockMetadata,
+        foundDirectlyInOutline: true,
+      });
+
+      const result = page.getPlainTextProperty("nonexistent", "Default Value");
+
+      expect(result).toBe("Default Value");
+    });
+  });
 });

src/NotionPage.ts

@@ -207,6 +207,38 @@ export class NotionPage {
     return p.select?.name || undefined;
   }
 
+  public getDateProperty(
+    property: string,
+    defaultIfEmpty: string,
+    start = true
+  ): string {
+    /* Notion dates look like this
+   "properties": {
+      "published_date":
+      {
+        "id":"a%3Cql",
+        "type":"date",
+        "date":{
+          "start":"2021-10-24",
+          "end":null,
+          "time_zone":null
+        }
+      }
+    }
+    */
+
+    // console.log("metadata:\n" + JSON.stringify(this.metadata, null, 2));
+    const p = (this.metadata as any).properties?.[property];
+
+    // console.log(`prop ${property} = ${JSON.stringify(p)}`);
+    if (!p) return defaultIfEmpty;
+    if (start) {
+      return p?.date?.start ? (p.date.start as string) : defaultIfEmpty;
+    } else {
+      return p?.date?.end ? (p.date.end as string) : defaultIfEmpty;
+    }
+  }
+
   public async getContentInfo(
     children: ListBlockChildrenResponseResults
   ): Promise<{