feat: Add redirect policy

Author: smessie

app/controllers/index.js

@@ -196,18 +196,31 @@ export default class IndexController extends Controller {
       (rule) => !this.isEventSubmitRule(rule, matches.prefixes)
     );
     matches.rules.push(`
-    {
-      ?id ex:event ex:Submit.
-    } => {
-      ex:HttpPolicy pol:policy [
-        a fno:Execution ;
-        fno:executes ex:httpRequest ;
-        ex:method "${this.model.policyMethod}" ;
-        ex:url <${this.model.policyURL}> ;
-        ex:contentType "${this.model.policyContentType}"
-      ] .
-    } .
+{
+  ?id ex:event ex:Submit.
+} => {
+  ex:HttpPolicy pol:policy [
+    a fno:Execution ;
+    fno:executes ex:httpRequest ;
+    ex:method "${this.model.policyMethod}" ;
+    ex:url <${this.model.policyURL}> ;
+    ex:contentType "${this.model.policyContentType}"
+  ] .
+} .
     `);
+    if (this.model.policyRedirectUrl) {
+      matches.rules.push(`
+{
+  ?id ex:event ex:Submit.
+} => {
+  ex:RedirectPolicy pol:policy [
+    a fno:Execution ;
+    fno:executes ex:redirect ;
+    ex:url <${this.model.policyRedirectUrl}>
+  ] .
+} .
+      `);
+    }
     matches.prefixes = this.addIfNotIncluded(
       matches.prefixes,
       'ex',
@@ -584,4 +597,9 @@ export default class IndexController extends Controller {
   updatePolicyContentType(event) {
     this.model.policyContentType = event.target.value?.trim();
   }
+
+  @action
+  updatePolicyRedirectUrl(event) {
+    this.model.policyRedirectUrl = event.target.value?.trim();
+  }
 }

app/routes/index.js

@@ -29,6 +29,7 @@ export default class IndexRoute extends Route {
   @tracked policyURL = '';
   @tracked policyMethod = '';
   @tracked policyContentType = '';
+  @tracked policyRedirectUrl = '';
 
   async model({ form }) {
     await this.solidAuth.ensureLogin();
@@ -240,8 +241,8 @@ export default class IndexRoute extends Route {
         ?id pol:policy ?policy .
         ?policy a fno:Execution .
         ?policy fno:executes ?executionTarget .
-        ?policy ex:method ?method .
         ?policy ex:url ?url .
+        OPTIONAL { ?policy ex:method ?method } .
         OPTIONAL { ?policy ex:contentType ?contentType } .
       }
       `;
@@ -261,8 +262,8 @@ export default class IndexRoute extends Route {
       const policies = bindings.map((row) => {
         return {
           executionTarget: row.get('executionTarget').value,
-          method: row.get('method').value,
           url: row.get('url').value,
+          method: row.get('method')?.value,
           contentType: row.get('contentType')?.value,
         };
       });
@@ -273,6 +274,8 @@ export default class IndexRoute extends Route {
           this.policyURL = policy.url;
           this.policyMethod = policy.method;
           this.policyContentType = policy.contentType;
+        } else if (policy.executionTarget === 'http://example.org/redirect') {
+          this.policyRedirectUrl = policy.url;
         }
       }
     }

app/templates/index.hbs

@@ -179,6 +179,18 @@
 
           <hr>
 
+          <div class="mb-3 row">
+            <label for="policy-redirect-url-{{this.model.form.uuid}}" id="label-policy-redirect-url-{{this.model.form.uuid}}"
+                   class="col-sm-3 col-form-label">Policy Redirect URL</label>
+            <div class="col-sm-9">
+              <input type="text" class="form-control" id="policy-redirect-url-{{this.model.form.uuid}}" placeholder="https://formgenerator.smessie.com"
+                     value={{this.model.policyRedirectUrl}} {{ on "change" this.updatePolicyRedirectUrl }}
+                     aria-describedby="label-policy-redirect-url-{{this.model.form.uuid}}" />
+            </div>
+          </div>
+
+          <hr>
+
           <SortableObjects @sortableObjectList={{this.fields}} @enableSort={{true}} @useSwap={{false}}
                            @inPlace={{false}} @sortingScope={{"formFields"}}>
             {{#each this.fields as |field|}}