for scan on QR code screen, import and keep on that screen

src/views/ContactQRScanShowView.vue

@@ -79,16 +79,25 @@ import { Component, Vue } from "vue-facing-decorator";
 import { QrcodeStream } from "vue-qrcode-reader";
 import { useClipboard } from "@vueuse/core";
 
+import QuickNav from "@/components/QuickNav.vue";
 import { NotificationIface } from "@/constants/app";
 import { accountsDB, db } from "@/db/index";
-import { MASTER_SETTINGS_KEY } from "@/db/tables/settings";
-import { deriveAddress, nextDerivationPath, SimpleSigner } from "@/libs/crypto";
-import QuickNav from "@/components/QuickNav.vue";
 import { Account } from "@/db/tables/accounts";
+import { Contact } from "@/db/tables/contacts";
+import { MASTER_SETTINGS_KEY } from "@/db/tables/settings";
+import {
+  deriveAddress,
+  getContactPayloadFromJwtUrl,
+  nextDerivationPath,
+  SimpleSigner,
+} from "@/libs/crypto";
 import {
   CONTACT_URL_PREFIX,
   ENDORSER_JWT_URL_LOCATION,
+  isDid,
+  setVisibilityUtil,
 } from "@/libs/endorserServer";
+
 import { Buffer } from "buffer/";
 
 @Component({
@@ -106,29 +115,12 @@ export default class ContactQRScanShow extends Vue {
   givenName = "";
   qrValue = "";
 
-  public async getIdentity(activeDid: string) {
-    await accountsDB.open();
-    const accounts = await accountsDB.accounts.toArray();
-    const account: Account | undefined = R.find(
-      (acc) => acc.did === activeDid,
-      accounts,
-    );
-    const identity = JSON.parse(account?.identity || "null");
-
-    if (!identity) {
-      throw new Error(
-        "Attempted to show contact info with no identifier available.",
-      );
-    }
-    return identity;
-  }
-
   async created() {
     await db.open();
     const settings = await db.settings.get(MASTER_SETTINGS_KEY);
-    this.activeDid = settings?.activeDid || "";
-    this.apiServer = settings?.apiServer || "";
-    this.givenName = settings?.firstName || "";
+    this.activeDid = (settings?.activeDid as string) || "";
+    this.apiServer = (settings?.apiServer as string) || "";
+    this.givenName = (settings?.firstName as string) || "";
 
     await accountsDB.open();
     const accounts = await accountsDB.accounts.toArray();
@@ -172,25 +164,109 @@ export default class ContactQRScanShow extends Vue {
     }
   }
 
+  danger(message: string, title: string = "Error", timeout = 5000) {
+    this.$notify(
+      {
+        group: "alert",
+        type: "danger",
+        title: title,
+        text: message,
+      },
+      timeout,
+    );
+  }
+
+  public async getIdentity(activeDid: string) {
+    await accountsDB.open();
+    const accounts = await accountsDB.accounts.toArray();
+    const account: Account | undefined = R.find(
+      (acc) => acc.did === activeDid,
+      accounts,
+    );
+    const identity = JSON.parse((account?.identity as string) || "null");
+
+    if (!identity) {
+      throw new Error(
+        "Attempted to show contact info with no identifier available.",
+      );
+    }
+    return identity;
+  }
+
   /**
    *
    * @param content is the result of a QR scan, an array with one item with a rawValue property
    */
   // Unfortunately, there are not typescript definitions for the qrcode-stream component yet.
   // eslint-disable-next-line @typescript-eslint/no-explicit-any
-  onScanDetect(content: any) {
+  async onScanDetect(content: any) {
     const url = content[0]?.rawValue;
     if (url) {
+      let newContact: Contact;
       try {
-        localStorage.setItem("contactEndorserUrl", url);
-        this.$router.push({ name: "contacts" });
+        const payload = getContactPayloadFromJwtUrl(url);
+        if (!payload) {
+          this.$notify(
+            {
+              group: "alert",
+              type: "danger",
+              title: "No Contact Info",
+              text: "The contact info could not be parsed.",
+            },
+            3000,
+          );
+          return;
+        }
+        newContact = {
+          did: payload.iss as string,
+          name: payload.own.name,
+          nextPubKeyHashB64: payload.own.nextPublicEncKeyHash,
+          profileImageUrl: payload.own.profileImageUrl,
+          publicKeyBase64: payload.own.publicEncKey,
+        };
+        if (!newContact.did) {
+          this.danger("There is no DID.", "Incomplete Contact");
+          return;
+        }
+        if (!isDid(newContact.did)) {
+          this.danger("The DID must begin with 'did:'", "Invalid DID");
+          return;
+        }
       } catch (e) {
+        console.error("Error parsing QR info:", e);
+        this.danger("Could not parse the QR info.", "Read Error");
+        return;
+      }
+
+      try {
+        await db.open();
+        await db.contacts.add(newContact);
+
+        let addedMessage;
+        if (this.activeDid) {
+          await this.setVisibility(newContact, true);
+          addedMessage =
+            "They were added, and your activity is visible to them.";
+        } else {
+          addedMessage = "They were added.";
+        }
         this.$notify(
           {
             group: "alert",
-            type: "warning",
-            title: "Invalid Contact QR Code",
-            text: "The QR code isn't in the right format.",
+            type: "success",
+            title: "Contact Added",
+            text: addedMessage,
+          },
+          3000,
+        );
+      } catch (e) {
+        console.error("Error saving contact info:", e);
+        this.$notify(
+          {
+            group: "alert",
+            type: "danger",
+            title: "Contact Error",
+            text: "Could not save contact info. Check if it already exists.",
           },
           5000,
         );
@@ -199,7 +275,7 @@ export default class ContactQRScanShow extends Vue {
       this.$notify(
         {
           group: "alert",
-          type: "warning",
+          type: "danger",
           title: "Invalid Contact QR Code",
           text: "No QR code detected with contact information.",
         },
@@ -208,13 +284,29 @@ export default class ContactQRScanShow extends Vue {
     }
   }
 
+  async setVisibility(contact: Contact, visibility: boolean) {
+    const result = await setVisibilityUtil(
+      this.activeDid,
+      this.apiServer,
+      this.axios,
+      db,
+      contact,
+      visibility,
+    );
+    if (result.error) {
+      this.danger(result.error as string, "Error Setting Visibility");
+    } else if (!result.success) {
+      console.error("Got strange result from setting visibility:", result);
+    }
+  }
+
   // eslint-disable-next-line @typescript-eslint/no-explicit-any
   onScanError(error: any) {
     console.error("Scan was invalid:", error);
     this.$notify(
       {
         group: "alert",
-        type: "warning",
+        type: "danger",
         title: "Invalid Scan",
         text: "The scan was invalid.",
       },
@@ -223,6 +315,7 @@ export default class ContactQRScanShow extends Vue {
   }
 
   onCopyToClipboard() {
+    //this.onScanDetect([{ rawValue: this.qrValue }]); // good for testing
     useClipboard()
       .copy(this.qrValue)
       .then(() => {