admin: can sort claim by last_update

libfic/todo.go

@@ -193,6 +193,12 @@ type ClaimDescription struct {
 	Publish     bool      `json:"publish"`
 }
 
+// GetLastUpdate returns the date of the latest message written for the given Claim.
+func (c Claim) GetLastUpdate() (res *time.Time, err error) {
+	err = DBQueryRow("SELECT MAX(date) FROM claim_descriptions WHERE id_claim = ? GROUP BY id_claim", c.Id).Scan(&res)
+	return
+}
+
 // GetDescriptions returns a list of all descriptions stored in the database for the Claim.
 func (c Claim) GetDescriptions() (res []ClaimDescription, err error) {
 	var rows *sql.Rows