Creating CAP-Based Services

db/schema.cds

@@ -0,0 +1,70 @@
+using {
+  cuid,
+  managed,
+  sap.common.CodeList
+} from '@sap/cds/common';
+
+namespace sap.capire.incidents;
+
+/**
+* Incidents created by Customers.
+*/
+entity Incidents : cuid, managed {
+  customer     : Association to Customers;
+  title        : String @title: 'Title';
+  urgency      : Association to Urgency default 'M';
+  status       : Association to Status default 'N';
+  conversation : Composition of many {
+                   key ID        : UUID;
+                       timestamp : type of managed : createdAt;
+                       author    : type of managed : createdBy;
+                       message   : String;
+                 };
+}
+
+/**
+* Customers entitled to create support Incidents.
+*/
+entity Customers : managed {
+  key ID           : String;
+      firstName    : String;
+      lastName     : String;
+      name         : String = trim(firstName || ' ' || lastName);
+      email        : EMailAddress;
+      phone        : PhoneNumber;
+      incidents    : Association to many Incidents
+                       on incidents.customer = $self;
+      creditCardNo : String(16) @assert.format: '^[1-9]\d{15}$';
+      addresses    : Composition of many Addresses
+                       on addresses.customer = $self;
+}
+
+entity Addresses : cuid, managed {
+  customer      : Association to Customers;
+  city          : String;
+  postCode      : String;
+  streetAddress : String;
+}
+
+entity Status : CodeList {
+  key code        : String enum {
+        new = 'N';
+        assigned = 'A';
+        in_process = 'I';
+        on_hold = 'H';
+        resolved = 'R';
+        closed = 'C';
+      };
+      criticality : Integer;
+}
+
+entity Urgency : CodeList {
+  key code : String enum {
+        high = 'H';
+        medium = 'M';
+        low = 'L';
+      };
+}
+
+type EMailAddress : String;
+type PhoneNumber  : String;