Draft functionality for fetching card data from Wiktionary

src/components/Navigation/Navigation.tsx

@@ -12,7 +12,7 @@ export function Navigation() {
       <NavigationItem
         text="settings"
         iconUrl="/icons/check.svg"
-        href="/check"
+        href="/settings"
       />
     </nav>
   );

src/model/database.ts

@@ -154,6 +154,15 @@ export async function addExpressionWithRelationships({
   expression_set_id,
   category_ids,
 }: addExpressionWithRelationshipsParams) {
+  const existing = await database.expressions
+    .where("prompt")
+    .equals(expression.prompt)
+    .first();
+  if (existing) {
+    const error_message = `Expression ${expression.prompt} already exists in database`;
+    console.error(error_message);
+    throw new Error(error_message);
+  }
   return await database.transaction(
     "rw",
     database.expressions,
@@ -165,9 +174,11 @@ export async function addExpressionWithRelationships({
           expression_id,
           expression_set_id,
         });
-        database.expression_to_category.bulkAdd(
-          category_ids.map((category_id) => ({ expression_id, category_id }))
-        );
+        if (category_ids.length) {
+          database.expression_to_category.bulkAdd(
+            category_ids.map((category_id) => ({ expression_id, category_id }))
+          );
+        }
       });
     }
   );

src/model/parseWiktionaryData.ts

@@ -8,8 +8,8 @@ export function parseWiktionaryData(
   if (typeof window === "undefined") return null;
 
   const parser = new DOMParser();
-  const description = JSON.parse(data).parse.text["*"];
-  const document = parser.parseFromString(description, "text/html");
+  console.log("Parsing", data);
+  const document = parser.parseFromString(data, "text/html");
 
   // TODO settings-based language selection
   const header = document.getElementById("Finnish")?.parentElement;

src/pages/settings/add-expression.tsx

@@ -0,0 +1,18 @@
+import type { NextPage } from "next";
+import dynamic from "next/dynamic";
+import { Page } from "../../components";
+import { AddExpressionView } from "../../views/AddExpressionView";
+
+const PageTitle = "Settings - Add expression";
+
+const AddExpressionPage: NextPage = () => {
+  return (
+    <Page title={PageTitle}>
+      <AddExpressionView />
+    </Page>
+  );
+};
+
+export default dynamic(() => Promise.resolve(AddExpressionPage), {
+  ssr: false,
+});

src/pages/settings/index.tsx

@@ -0,0 +1,3 @@
+import AddExpressionPage from "./add-expression";
+
+export default AddExpressionPage;

src/styles/components.css

@@ -40,6 +40,13 @@
   line-height: 1.3rem;
 }
 
+.text-error {
+  color: brown;
+  font-family: monospace;
+  font-size: 11px;
+  text-transform: uppercase;
+}
+
 /* Page */
 
 .page {
@@ -106,6 +113,10 @@
   background-color: bisque;
 }
 
+.navigation-item:disabled {
+  background-color: slategray;
+}
+
 .icon-button {
   display: flex;
   align-items: center;
@@ -146,6 +157,17 @@
   margin-top: 16px;
 }
 
+.content-query {
+  display: flex;
+  flex-direction: column;
+  margin: auto;
+  padding: 30px 16px;
+}
+
+.content-query > label {
+  margin: 10px 0px;
+}
+
 /* Margins and paddings */
 
 .padding-small {

src/views/AddExpressionView/AddExpressionView.tsx

@@ -0,0 +1,127 @@
+import { useState } from "react";
+import URL from "url";
+import { ExpressionCard } from "../../components";
+import { ExpressionDescription } from "../../components/ExpressionDescription";
+import {
+  addExpression,
+  addExpressionWithRelationships,
+  Expression,
+} from "../../model";
+import { parseWiktionaryData } from "../../model/parseWiktionaryData";
+
+export function AddExpressionView() {
+  const [prompt, setPrompt] = useState("");
+  const [expression, setExpression] = useState<Expression | null>(null);
+  const [submitStatus, setSubmitStatus] = useState<string | undefined>(
+    undefined
+  );
+  const [error, setError] = useState<any>(undefined);
+
+  return (
+    <div className="page-with-bottom-navigation">
+      <section className="padding-small scroll">
+        <div className="padding-small">
+          {error ? <p className="text-error">{error.message}</p> : null}
+          {submitStatus ? <p className="text-meta">{submitStatus}</p> : null}
+        </div>
+        {expression ? (
+          <ExpressionCard
+            prompt={expression.prompt}
+            categories={[]}
+            description={<ExpressionDescription expression={expression} />}
+            show_description
+          />
+        ) : (
+          <div className="content-query">
+            <label htmlFor="query">Word: </label>
+            <input
+              type="text"
+              id="query"
+              name="query"
+              value={prompt}
+              placeholder="Type card prompt here"
+              onChange={(event) => setPrompt(event.target.value)}
+            />
+          </div>
+        )}
+      </section>
+      <section className="navigation-bottom">
+        {!expression ? (
+          <button
+            className="navigation-item bottom text-navigation grow"
+            type="submit"
+            disabled={prompt === ""}
+            onClick={async () => {
+              try {
+                const url = URL.format({
+                  protocol: "https",
+                  hostname: "en.wiktionary.org",
+                  pathname: "/w/api.php",
+                  query: {
+                    action: "parse",
+                    format: "json",
+                    page: prompt,
+                    prop: "text",
+                    origin: "*",
+                  },
+                });
+                const result = await fetch(url);
+                const data = await result.json();
+                setExpression(
+                  parseWiktionaryData(prompt, data.parse?.text?.["*"] || "")
+                );
+              } catch (error) {
+                setError(error);
+              }
+            }}
+          >
+            Fetch Wiktionary data
+          </button>
+        ) : (
+          <>
+            <button
+              className="navigation-item bottom text-navigation grow"
+              type="button"
+              onClick={() => {
+                setExpression(null);
+                setSubmitStatus(undefined);
+                setError(undefined);
+              }}
+            >
+              Discard card
+            </button>
+            <button
+              className="navigation-item bottom text-navigation grow"
+              type="button"
+              onClick={async () => {
+                if (!expression) {
+                  console.error("Attempted to add expression but none exists");
+                  return;
+                }
+                try {
+                  await addExpressionWithRelationships({
+                    expression,
+                    expression_set_id: 1,
+                    category_ids: [],
+                  });
+                  setExpression(null);
+                  setSubmitStatus(`Card "${expression.prompt}" saved`);
+                  setError(undefined);
+                } catch (error) {
+                  setSubmitStatus(undefined);
+                  setError(error);
+                }
+              }}
+            >
+              Save card
+            </button>
+          </>
+        )}
+      </section>
+    </div>
+  );
+}
+
+function buildUrl(query: string) {
+  return `https://en.wiktionary.org/w/api.php?action=parse&format=json&prop=text&page=${query}`;
+}

src/views/AddExpressionView/index.ts

@@ -0,0 +1 @@
+export * from "./AddExpressionView";

src/views/ExpressionPracticeView/ExpressionPracticeCardView.tsx

@@ -35,6 +35,7 @@ export function ExpressionPracticeCardView({
         ) : (
           <button
             className="navigation-item bottom text-navigation grow"
+            type="button"
             onClick={() => setRevealed(true)}
           >
             Reveal