add page for a printable certificate (which works but isn't too impressive yet)

2024-12-01 20:20:03 -07:00
parent 76280b7ee5
commit e6f5511dbb
7 changed files with 179 additions and 8 deletions
--- a/src/views/ClaimCertificateView.vue
+++ b/src/views/ClaimCertificateView.vue
@@ -0,0 +1,149 @@
+<template>
+  <section id="Content">
+    <div v-if="claimData">
+      <canvas ref="claimCanvas"></canvas>
+    </div>
+  </section>
+</template>
+
+<style scoped>
+canvas {
+  position: absolute;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+}
+</style>
+
+<script lang="ts">
+import { Component, Vue } from "vue-facing-decorator";
+import { nextTick } from "vue";
+import QRCode from "qrcode";
+
+import { NotificationIface } from "@/constants/app";
+import { retrieveSettingsForActiveAccount } from "@/db/index";
+import * as endorserServer from "@/libs/endorserServer";
+
+@Component
+export default class ClaimViewCertificate extends Vue {
+  $notify!: (notification: NotificationIface, timeout?: number) => void;
+
+  activeDid = "";
+  allMyDids: Array<string> = [];
+  apiServer = "";
+  claimId = "";
+  claimData = null;
+
+  endorserServer = endorserServer;
+
+  async created() {
+    const settings = await retrieveSettingsForActiveAccount();
+    this.activeDid = settings.activeDid || "";
+    this.apiServer = settings.apiServer || "";
+    const pathParams = window.location.pathname.substring(
+      "/claim-cert/".length,
+    );
+    this.claimId = pathParams;
+    await this.fetchClaim();
+  }
+
+  async fetchClaim() {
+    try {
+      const response = await fetch(
+        `${this.apiServer}/api/claim/${this.claimId}`,
+      );
+      if (response.ok) {
+        this.claimData = await response.json();
+        await nextTick(); // Wait for the DOM to update
+        this.drawCanvas();
+      } else {
+        throw new Error(`Error fetching claim: ${response.statusText}`);
+      }
+    } catch (error) {
+      console.error("Failed to load claim:", error);
+      this.$notify({
+        group: "alert",
+        type: "danger",
+        title: "Error",
+        text: "There was a problem loading the claim.",
+      });
+    }
+  }
+
+  drawCanvas() {
+    const canvas = this.$refs.claimCanvas as HTMLCanvasElement;
+    if (canvas) {
+      const CANVAS_WIDTH = 1100;
+      const CANVAS_HEIGHT = 850;
+
+      // size to approximate portrait of 8.5"x11"
+      canvas.width = CANVAS_WIDTH;
+      canvas.height = CANVAS_HEIGHT;
+      const ctx = canvas.getContext("2d");
+      if (ctx) {
+        // Load the background image
+        const backgroundImage = new Image();
+        backgroundImage.src = "/img/background/cert-frame-2.jpg";
+        backgroundImage.onload = async () => {
+          // Draw the background image
+          ctx.drawImage(backgroundImage, 0, 0, CANVAS_WIDTH, CANVAS_HEIGHT);
+
+          // Set font and styles
+          ctx.fillStyle = "black";
+
+          // Draw claim type
+          ctx.font = "bold 20px Arial";
+          const claimTypeText =
+            this.endorserServer.capitalizeAndInsertSpacesBeforeCaps(
+              this.claimData.claimType,
+            );
+          const claimTypeWidth = ctx.measureText(claimTypeText).width;
+          ctx.fillText(
+            claimTypeText,
+            (CANVAS_WIDTH - claimTypeWidth) / 2, // Center horizontally
+            CANVAS_HEIGHT * 0.35,
+          );
+
+          const descriptionText =
+            this.claimData.claim.description || this.claimData.claim.name;
+          if (descriptionText) {
+            const descriptionLine =
+              descriptionText.length > 50
+                ? descriptionText.substring(0, 47) + "..."
+                : descriptionText;
+            ctx.font = "14px Arial";
+            const descriptionWidth = ctx.measureText(descriptionLine).width;
+            ctx.fillText(
+              descriptionLine,
+              (CANVAS_WIDTH - descriptionWidth) / 2,
+              CANVAS_HEIGHT * 0.45,
+            );
+          }
+
+          // Draw claim ID
+          ctx.font = "14px Arial";
+          ctx.fillText(this.claimId, CANVAS_WIDTH * 0.3, CANVAS_HEIGHT * 0.62);
+          ctx.fillText(
+            "via EndorserSearch.com",
+            CANVAS_WIDTH * 0.3,
+            CANVAS_HEIGHT * 0.65,
+          );
+
+          // Generate and draw QR code
+          const qrCodeCanvas = document.createElement("canvas");
+          await QRCode.toCanvas(qrCodeCanvas, window.location.href, {
+            width: 150,
+            color: { light: "#0000" /* Transparent background */ },
+          });
+          ctx.drawImage(
+            qrCodeCanvas,
+            CANVAS_WIDTH * 0.57,
+            CANVAS_HEIGHT * 0.55,
+          );
+        };
+      }
+    }
+  }
+}
+</script>