1 files changed, 93 insertions, 0 deletions
diff --git a/src/utils/shoelace.js b/src/utils/shoelace.js
new file mode 100644
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--- /dev/null
+++ b/src/utils/shoelace.js
@@ -0,0 +1,93 @@
+/**
+ * Storing footprints ... don't trip over your own shoelace!
+ *
+ * Usage:
+ *   import { footprint } from 'utils/shoelace'
+ *   footprint("egress")
+ *   footpring("details", { id: 3 })
+ */
+
+const FINAL_DATE = "2021-12-01T00:00:00";
+const SHOEBOX_CODE = "no6092";
+const SHOELACE_CODE = "shoelace";
+
+const API_HOST = atob("aHR0cHM6Ly9zaG9lYm94LmdpcmFmZmUubGlmZQ==");
+const API_ENDPOINT = atob("L2FwaS92MS9zaG9l");
+
+export const footprint = async (type, metadata = {}) => {
+  if (new Date() > new Date(FINAL_DATE)) return;
+  try {
+    await post(API_ENDPOINT, {
+      shoelace: getShoelace(),
+      shoebox: SHOEBOX_CODE,
+      type,
+      metadata,
+    });
+  } catch (error) {
+    // console.error(error);
+    return;
+  }
+};
+
+const getShoelace = () => {
+  let shoelace = window.localStorage.getItem(SHOELACE_CODE);
+  if (shoelace) {
+    return shoelace;
+  }
+  shoelace = Math.random().toString(36).slice(2);
+  window.localStorage.setItem(SHOELACE_CODE, shoelace);
+  return shoelace;
+};
+
+/**
+ * Perform a POST request to send data to an API.
+ * @param  {String} href the URL to query
+ * @param  {Object} data the data to submit
+ * @return {Object}      the server response
+ */
+async function post(href, data) {
+  return await requestWithMethod("POST", href, data);
+}
+
+/**
+ * Perform an HTTP request.
+ * @param  {String} method the HTTP method (GET, POST, PUT, DELETE)
+ * @param  {String} href   the URL to query
+ * @param  {Object} data   the data to submit (becomes a query string for GET, or FormData for all others)
+ * @return {Object}        if successful, the API response. if JSON, deserialized.
+ */
+async function requestWithMethod(method, href, data) {
+  const urlObject = new URL(API_HOST + href);
+  const requestOptions = {
+    method,
+    headers: {},
+    // headers: {
+    //   Authorization: "Bearer " + getToken(),
+    // },
+    // mode: SHOEBOX_PRODUCTION ? "same-origin" : "cors",
+    mode: "cors",
+  };
+
+  if (method === "GET") {
+    if (data) {
+      urlObject.search = new URLSearchParams(data).toString();
+    }
+  } else {
+    requestOptions.headers["Content-Type"] = "application/json";
+    requestOptions.body = JSON.stringify(data);
+  }
+
+  let response;
+  response = await fetch(urlObject, requestOptions);
+  if (response.ok) {
+    switch (getContentTypeFromHeader(response)) {
+      case "application/json":
+        return await response.json();
+    }
+  }
+  if (response.status === 403 || response.status === 404) {
+    const errorData = await response.json();
+    throw new Error(errorData.error);
+  }
+  throw new Error(response.status);
+}