Merge pull request 'make a backup download for browsers that don't get it automatically' (#101) from another-download into master

Reviewed-on: https://gitea.anomalistdesign.com/trent_larson/crowd-funder-for-time-pwa/pulls/101

src/views/AccountViewView.vue

@@ -100,6 +100,7 @@
     <router-link
       :to="{ name: 'new-edit-account' }"
       class="block text-center text-lg font-bold uppercase bg-slate-500 text-white px-2 py-3 rounded-md mb-2"
+      v-if="activeDid"
     >
       Edit Identity
     </router-link>
@@ -138,7 +139,7 @@
       </router-link>
     </div>
 
-    <h3 class="text-sm uppercase font-semibold mb-3">Data</h3>
+    <h3 class="text-sm uppercase font-semibold mb-3">Data Export</h3>
 
     <router-link
       :to="{ name: 'seed-backup' }"
@@ -147,7 +148,9 @@
     >
       Backup Identifier Seed
     </router-link>
+
     <button
+      v-bind:class="computedStartDownloadLinkClassNames()"
       class="block w-full text-center text-md uppercase bg-slate-500 text-white px-1.5 py-2 rounded-md mb-6"
       @click="exportDatabase()"
     >
@@ -155,21 +158,27 @@
       <br />
       (excluding Identifier Data)
     </button>
-    <a ref="downloadLink" />
+    <a
+      ref="downloadLink"
+      v-bind:class="computedDownloadLinkClassNames()"
+      class="block w-full text-center text-md uppercase bg-green-600 text-white px-1.5 py-2 rounded-md mb-6"
+    >
+      If no download happened yet, click again here to download now.
+    </a>
 
-    <div v-if="activeDid" class="my-8">
+    <div v-if="activeDid" class="flex mt-8 py-2">
-      <h3 class="text-sm uppercase font-semibold mb-3">Rate Limits</h3>
+      <h3 class="text-sm uppercase font-semibold">Rate Limits</h3>
       <button
-        class="block w-full text-center text-md uppercase bg-slate-500 text-white px-1.5 py-2 rounded-md mb-2"
+        class="block w-fit text-center text-md uppercase bg-slate-500 text-white px-1.5 py-2 rounded-md ml-2 mr-2 mb-2"
         @click="checkLimits()"
       >
         Check Limits
       </button>
       <!-- show spinner if loading limits -->
-      <div v-if="loadingLimits" class="text-center mb-4">
+      <div v-if="loadingLimits" class="text-center">
         Checking&hellip; <fa icon="spinner" class="fa-spin"></fa>
       </div>
-      <div class="mb-4">
+      <div>
         {{ limitsMessage }}
       </div>
       <div v-if="!!limits?.nextWeekBeginDateTime">
@@ -293,18 +302,37 @@
         </div>
       </label>
 
+      <div class="grid-cols-2 mb-4">
+        <span class="text-slate-500 text-sm font-bold mb-2">Data Import</span>
+        <input type="file" @change="uploadFile" class="ml-2" />
+        <div v-if="showContactImport()">
+          <button
+            class="block text-center text-md uppercase bg-green-600 text-white px-1.5 py-2 rounded-md mb-6"
+            @click="submitFile()"
+          >
+            Import Settings & Contacts
+            <br />
+            (excluding Identifier Data)
+          </button>
+        </div>
+      </div>
+
+      <div class="flex py-2">
+        <button>
           <router-link
             :to="{ name: 'statistics' }"
-        class="block w-full text-center text-md uppercase bg-slate-500 text-white px-1.5 py-2 rounded-md mb-2"
+            class="block w-fit text-center text-md uppercase bg-slate-500 text-white px-1.5 py-2 rounded-md mb-2"
           >
-        See Animated Global History of Giving
+            See Global Animated History of Giving
           </router-link>
+        </button>
+      </div>
 
       <!-- id used by puppeteer test script -->
       <router-link
         id="switch-identity-link"
         :to="{ name: 'identity-switcher' }"
-        class="block w-full text-center text-md uppercase bg-slate-500 text-white px-1.5 py-2 rounded-md mb-2"
+        class="block w-fit text-center text-md uppercase bg-slate-500 text-white px-1.5 py-2 rounded-md mb-2"
       >
         Switch Identity
       </router-link>
@@ -429,7 +457,9 @@
 
 <script lang="ts">
 import { AxiosError, AxiosRequestConfig } from "axios";
+import Dexie from "dexie";
 import "dexie-export-import";
+import { ref } from "vue";
 import { Component, Vue } from "vue-facing-decorator";
 import { useClipboard } from "@vueuse/core";
 
@@ -441,6 +471,7 @@ import { MASTER_SETTINGS_KEY, Settings } from "@/db/tables/settings";
 import { accessToken } from "@/libs/crypto";
 import { IIdentifier } from "@veramo/core";
 import { ErrorResponse, RateLimits } from "@/libs/endorserServer";
+import { ImportProgress } from "dexie-export-import/dist/import";
 
 // eslint-disable-next-line @typescript-eslint/no-var-requires
 const Buffer = require("buffer/").Buffer;
@@ -459,6 +490,8 @@ interface IAccount {
   derivationPath: string;
 }
 
+const inputFileNameRef = ref<Blob>();
+
 @Component({ components: { QuickNav, TopMessage } })
 export default class AccountViewView extends Vue {
   $notify!: (notification: Notification, timeout?: number) => void;
@@ -469,6 +502,7 @@ export default class AccountViewView extends Vue {
   apiServer = "";
   apiServerInput = "";
   derivationPath = "";
+  downloadUrl = ""; // because DuckDuckGo doesn't download on automated call to "click" on the anchor
   givenName = "";
   isRegistered = false;
   isSubscribed = false;
@@ -494,6 +528,11 @@ export default class AccountViewView extends Vue {
   warnIfProdServer = false;
   warnIfTestServer = false;
 
+  async beforeCreate() {
+    await accountsDB.open();
+    this.numAccounts = await accountsDB.accounts.count();
+  }
+
   /**
    * Async function executed when the component is created.
    * Initializes the component's state with values from the database,
@@ -530,6 +569,12 @@ export default class AccountViewView extends Vue {
     }
   }
 
+  beforeUnmount() {
+    if (this.downloadUrl) {
+      URL.revokeObjectURL(this.downloadUrl);
+    }
+  }
+
   /**
    * Initializes component state with values from the database or defaults.
    * @param {SettingsType} settings - Object containing settings from the database.
@@ -553,26 +598,17 @@ export default class AccountViewView extends Vue {
     try {
       // Open the accounts database
       await accountsDB.open();
-    } catch (error) {
-      console.error("Failed to open accounts database:", error);
-      return null;
-    }
-
-    let account: { identity?: string } | undefined;
 
-    try {
       // Search for the account with the matching DID (decentralized identifier)
-      account = await accountsDB.accounts
+      const account: { identity?: string } | undefined =
-        .where("did")
+        await accountsDB.accounts.where("did").equals(activeDid).first();
-        .equals(activeDid)
+
-        .first();
+      // Return parsed identity or null if not found
+      return JSON.parse((account?.identity as string) || "null");
     } catch (error) {
       console.error("Failed to find account:", error);
       return null;
     }
-
-    // Return parsed identity or null if not found
-    return JSON.parse((account?.identity as string) || "null");
   }
 
   /**
@@ -628,11 +664,6 @@ export default class AccountViewView extends Vue {
     return timeStr.substring(0, timeStr.indexOf("T"));
   }
 
-  async beforeCreate() {
-    await accountsDB.open();
-    this.numAccounts = await accountsDB.accounts.count();
-  }
-
   /**
    * Processes the identity and updates the component's state.
    * @param {IdentityType} identity - Object containing identity information.
@@ -788,13 +819,13 @@ export default class AccountViewView extends Vue {
       const blob = await this.generateDatabaseBlob();
 
       // Create a temporary URL for the blob
-      const url = this.createBlobURL(blob);
+      this.downloadUrl = this.createBlobURL(blob);
 
       // Trigger the download
-      this.downloadDatabaseBackup(url);
+      this.downloadDatabaseBackup(this.downloadUrl);
 
-      // Revoke the temporary URL
+      // Revoke the temporary URL -- not yet because of DuckDuckGo download failure
-      URL.revokeObjectURL(url);
+      //URL.revokeObjectURL(this.downloadUrl);
 
       // Notify the user that the download has started
       this.notifyDownloadStarted();
@@ -831,7 +862,19 @@ export default class AccountViewView extends Vue {
     const downloadAnchor = this.$refs.downloadLink as HTMLAnchorElement;
     downloadAnchor.href = url;
     downloadAnchor.download = `${db.name}-backup.json`;
-    downloadAnchor.click();
+    downloadAnchor.click(); // doesn't work for some browsers, eg. DuckDuckGo
+  }
+
+  public computedStartDownloadLinkClassNames() {
+    return {
+      invisible: this.downloadUrl,
+    };
+  }
+
+  public computedDownloadLinkClassNames() {
+    return {
+      invisible: !this.downloadUrl,
+    };
   }
 
   /**
@@ -867,6 +910,43 @@ export default class AccountViewView extends Vue {
     console.error("Export Error:", error);
   }
 
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  async uploadFile(event: any) {
+    inputFileNameRef.value = event.target.files[0];
+  }
+
+  showContactImport() {
+    return !!inputFileNameRef.value;
+  }
+
+  /**
+   * Asynchronously imports the database from a downloadable JSON file.
+   *
+   * @throws Will notify the user if there is an export error.
+   */
+  async submitFile() {
+    if (inputFileNameRef.value != null) {
+      if (
+        confirm(
+          "This will replace all settings and contacts, so we recommend you first do the backup step above." +
+            " Are you sure you want to import and replace all contacts and settings?",
+        )
+      ) {
+        await db.delete();
+        await Dexie.import(inputFileNameRef.value, {
+          progressCallback: this.progressCallback,
+        });
+      }
+    }
+  }
+
+  private progressCallback(progress: ImportProgress) {
+    console.log(
+      `Import progress: ${progress.completedRows} of ${progress.totalRows} rows completed.`,
+    );
+    return true;
+  }
+
   async checkLimits() {
     const identity = await this.getIdentity(this.activeDid);
     if (identity) {
@@ -996,6 +1076,7 @@ export default class AccountViewView extends Vue {
     const accounts = await accountsDB.accounts.toArray();
     const account = accounts[accountNum - 1];
 
+    await db.open();
     await db.settings.update(MASTER_SETTINGS_KEY, { activeDid: account.did });
 
     this.updateActiveAccountProperties(account);

src/views/ContactsView.vue

@@ -593,12 +593,19 @@ export default class ContactsView extends Vue {
       })
       .catch((err) => {
         console.error("Error when adding contact to storage:", err);
+        let message = "An error prevented this import.";
+        if (
+          err.message?.indexOf("Key already exists in the object store.") > -1
+        ) {
+          message =
+            "A contact with that DID is already in your contact list. Edit them directly below.";
+        }
         this.$notify(
           {
             group: "alert",
             type: "danger",
             title: "Contact Not Added",
-            text: "An error prevented this import.",
+            text: message,
           },
           -1,
         );