1 files changed, 77 insertions, 0 deletions
diff --git a/src/client/apis/hypothesis/HypothesisUtils.ts b/src/client/apis/hypothesis/HypothesisUtils.ts
new file mode 100644
index 000000000..e15620a91
--- /dev/null
+++ b/src/client/apis/hypothesis/HypothesisUtils.ts
@@ -0,0 +1,77 @@
+import { StrCast, Cast } from "../../../fields/Types";
+import HypothesisAuthenticationManager from "../HypothesisAuthenticationManager";
+import { SearchUtil } from "../../util/SearchUtil";
+import { action } from "mobx";
+import { Doc } from "../../../fields/Doc";
+import { DocumentType } from "../../documents/DocumentTypes";
+import { WebField } from "../../../fields/URLField";
+import { DocumentManager } from "../../util/DocumentManager";
+
+export namespace Hypothesis {
+    export const fetchUser = async (apiKey: string) => {
+        const response = await fetch('https://api.hypothes.is/api/profile', {
+            headers: {
+                'Authorization': `Bearer ${apiKey}`,
+            },
+        });
+        if (response.ok) {
+            return response.json();
+        } else {
+            throw new Error('DASH: Error in fetchUser GET request');
+        }
+    };
+
+    // Send Hypothes.is client request to edit an annotation to add a Dash hyperlink
+    export const makeLink = async (title: string, url: string, annotationId: string) => {
+        const newHyperlink = `[${title}\n](${url})`;
+        document.dispatchEvent(new CustomEvent<{ newHyperlink: string, id: string }>("addLink", {
+            detail: { newHyperlink: newHyperlink, id: annotationId },
+            bubbles: true
+        }));
+    };
+
+    // Send Hypothes.is client request to edit an annotation to find and remove a dash hyperlink
+    export const deleteLink = async (annotationId: string, linkUrl: string) => {
+        document.dispatchEvent(new CustomEvent<{ targetUrl: string, id: string }>("deleteLink", {
+            detail: { targetUrl: linkUrl, id: annotationId },
+            bubbles: true
+        }));
+    };
+
+    // Construct an URL which will scroll the web page to a specific annotation's position
+    export const makeAnnotationUrl = (annotationId: string, baseUrl: string) => {
+        return `https://hyp.is/${annotationId}/${baseUrl}`; // embeds the generic version of Hypothes.is client, not the Dash version
+        // return baseUrl + '#annotations:' + annotationId;
+    };
+
+    // Extract username from Hypothe.is's userId format
+    export const extractUsername = (userid: string) => {
+        const regex = new RegExp('(?<=\:)(.*?)(?=\@)/');
+        return regex.exec(userid)![0];
+    };
+
+    // Return corres
+    export const getSourceWebDoc = async (uri: string) => {
+        const results: Doc[] = [];
+        await SearchUtil.Search("web", true).then(action(async (res: SearchUtil.DocSearchResult) => {
+            const docs = await Promise.all(res.docs.map(async doc => (await Cast(doc.extendsDoc, Doc)) || doc));
+            const filteredDocs = docs.filter(doc =>
+                doc.type === DocumentType.WEB && doc.data
+            );
+            filteredDocs.forEach(doc => {
+                console.log(Cast(doc.data, WebField)?.url.href);
+                if (uri === Cast(doc.data, WebField)?.url.href) results.push(doc); // TODO check history? imperfect matches?
+            });
+        }));
+
+        // TODO: open & return new Web doc with given uri if no matching Web docs are found
+        return results.length ? DocumentManager.Instance.getFirstDocumentView(results[0]) : undefined;
+    };
+
+    export const scrollToAnnotation = (annotationId: string) => {
+        document.dispatchEvent(new CustomEvent("scrollToAnnotation", {
+            detail: annotationId,
+            bubbles: true
+        }));
+    };
+}
+\ No newline at end of file