frontend/backend: add ability to destroy an issue

twenty-backend/lib/twenty-backend/servlet/issues.rb

@@ -1,14 +1,15 @@
 class Twenty::Servlet::Issues < Twenty::Servlet
+  ##
+  # GET /servlet/issues/
+  # GET /servlet/issues/<id>/
   def do_GET(req, res)
     case req.path_info
     when ""
-      # GET /servlet/issues/
       issues = Twenty::Issue.open.order(updated_at: :desc)
       Response.new(res)
         .set_status(200)
         .set_body(issues:)
     when %r|^/([\d]+)/?$|
-      # GET /servlet/issues/<issue-id>/
       issue = Twenty::Issue.find_by(id: $1)
       if issue
         Response.new(res)
@@ -22,10 +23,11 @@ class Twenty::Servlet::Issues < Twenty::Servlet
     end
   end
 
+  ##
+  # POST /servlet/issues/
   def do_POST(req, res)
     case req.path_info
     when ""
-      # POST /servlet/issues/
       issue = Twenty::Issue.new(JSON.parse(req.body))
       if issue.save
         Response.new(res)
@@ -41,4 +43,22 @@ class Twenty::Servlet::Issues < Twenty::Servlet
       Response.new(res).not_found
     end
   end
+
+  ##
+  # DELETE /servlet/issues/<id>/
+  def do_DELETE(req, res)
+    case req.path_info
+    when %r|^/([\d]+)/?$|
+      issue = Twenty::Issue.find_by(id: $1)
+      if issue.destroy
+        Response.new(res)
+          .set_status(200)
+          .set_body({ok: true})
+      else
+        Response.new(res).not_found
+      end
+    else
+      Response.new(res).not_found
+    end
+  end
 end

twenty-frontend/src/js/components/Issues.tsx

@@ -1,9 +1,13 @@
 import React from "react";
 import { useIssues } from "/hooks/useIssues";
+import { useDestroyIssue } from "/hooks/useDestroyIssue";
 import { DateTime } from "luxon";
+import { Issue } from "/types/schema";
 
 export function Issues() {
-  const [issues] = useIssues();
+  const { issues, refetch } = useIssues();
+  const destroyIssue = useDestroyIssue();
+
   return (
     <div className="pure-u-1-1 issue-index">
       <div className="pure-u-5-5 issue-row">
@@ -18,7 +22,7 @@ export function Issues() {
       </div>
       <hr />
       <ul className="pure-u-5-5 issue-items">
-        {issues.map((issue, key) => {
+        {issues.map((issue: Issue, key: number) => {
           const { updated_at: updatedAt } = issue;
           const datetime = DateTime.fromISO(updatedAt);
           return (
@@ -30,6 +34,17 @@ export function Issues() {
                 {datetime.toFormat("dd LLL, yyyy")} at{" "}
                 {datetime.toFormat("HH:mm")}
               </div>
+              <div>
+                <button
+                  onClick={() =>
+                    destroyIssue({ id: issue.id }).then(() => {
+                      refetch();
+                    })
+                  }
+                >
+                  Destroy
+                </button>
+              </div>
             </li>
           );
         })}

twenty-frontend/src/js/components/forms/NewIssue.tsx

@@ -54,11 +54,7 @@ export function NewIssue() {
         />
       </div>
       <div className="row">
-        <input
-          className="form"
-          type="submit"
-          value="Save"
-        />
+        <input className="form" type="submit" value="Save" />
       </div>
     </form>
   );

twenty-frontend/src/js/hooks/useDestroyIssue.ts

@@ -0,0 +1,15 @@
+type Params = {
+  id: number;
+};
+
+export function useDestroyIssue() {
+  return function ({ id }: Params) {
+    return new Promise((accept, reject) => {
+      const req = { method: "DELETE" };
+      return fetch(`/servlet/issues/${id}`, req)
+        .then(res => res.json())
+        .then(accept)
+        .catch(reject);
+    });
+  };
+}

twenty-frontend/src/js/hooks/useIssues.ts

@@ -1,14 +1,26 @@
 import { useState, useEffect } from "react";
 import { Issue } from "/types/schema";
 
-export function useIssues() {
-  const [issues, setIssues] = useState<Issue[]>([]);
+type Result = {
+  issues: Issue[];
+  refetch: () => Promise<Issue[]>;
+};
 
+export function useIssues(): Result {
+  const [issues, setIssues] = useState<Issue[]>([]);
+  const set = (ary: Issue[]) => {
+    setIssues(ary);
+    return ary;
+  };
+  const refetch = async function (): Promise<Issue[]> {
+    return await fetch("/servlet/issues")
+      .then((res: Response) => res.json())
+      .then((res: { issues: Issue[] }) => set(res.issues))
+      .catch(() => null);
+  };
   useEffect(() => {
-    fetch("/servlet/issues")
-      .then(res => res.json())
-      .then(res => setIssues(res.issues));
+    refetch();
   }, []);
 
-  return [issues];
+  return { issues, refetch };
 }