diff --git a/fitnesstrax/app/src/app.rs b/fitnesstrax/app/src/app.rs
index 8482fd1..49500d6 100644
--- a/fitnesstrax/app/src/app.rs
+++ b/fitnesstrax/app/src/app.rs
@@ -14,7 +14,7 @@ General Public License for more details.
 You should have received a copy of the GNU General Public License along with FitnessTrax. If not, see <https://www.gnu.org/licenses/>.
 */
 
-use emseries::Series;
+use emseries::{Record, RecordId, Series};
 use ft_core::TraxRecord;
 use std::{
     path::{Path, PathBuf},
@@ -30,6 +30,12 @@ pub enum AppInvocation {
     /// Request a set of records from the core.
     // Note: this will require a time range, but doesn't yet.
     RequestRecords,
+
+    UpdateRecord(Record<TraxRecord>),
+
+    PutRecord(TraxRecord),
+
+    DeleteRecord(RecordId),
 }
 
 /// Responses are messages that the core sends to the UI. Though they are called responses, the
@@ -83,6 +89,27 @@ impl App {
                     AppResponse::Records
                 }
             }
+            AppInvocation::UpdateRecord(record) => match *self.database.write().unwrap() {
+                Some(ref mut database) => {
+                    database.update(record).unwrap();
+                    AppResponse::Records
+                }
+                None => AppResponse::NoDatabase,
+            },
+            AppInvocation::PutRecord(record) => match *self.database.write().unwrap() {
+                Some(ref mut database) => {
+                    database.put(record).unwrap();
+                    AppResponse::Records
+                }
+                None => AppResponse::NoDatabase,
+            },
+            AppInvocation::DeleteRecord(record_id) => match *self.database.write().unwrap() {
+                Some(ref mut database) => {
+                    database.delete(&record_id).unwrap();
+                    AppResponse::Records
+                }
+                None => AppResponse::NoDatabase,
+            },
         }
     }
 
diff --git a/fitnesstrax/app/src/components/day.rs b/fitnesstrax/app/src/components/day.rs
index f6f8b98..690d9d3 100644
--- a/fitnesstrax/app/src/components/day.rs
+++ b/fitnesstrax/app/src/components/day.rs
@@ -157,10 +157,10 @@ impl DayDetail {
         });
 
         let weight_view = match weight_record {
-            Some((unique_id, record)) => WeightView::new(Some(record), move |weight| {
+            Some((id, record)) => WeightView::new(Some(record.clone()), move |weight| {
                 println!(
                     "on_blur on the weight view. Need to record {:?}, {:?}",
-                    unique_id, weight
+                    id, weight
                 );
             }),
             None => WeightView::new(None, |weight| {
diff --git a/fitnesstrax/core/src/lib.rs b/fitnesstrax/core/src/lib.rs
index b206602..207f483 100644
--- a/fitnesstrax/core/src/lib.rs
+++ b/fitnesstrax/core/src/lib.rs
@@ -1,3 +1,4 @@
 mod legacy;
+
 mod types;
 pub use types::{RecordType, Steps, TimeDistance, TraxRecord, Weight};